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OPC Factory Server V3.33

1. No 7 el SUS pene SS 3 Bus No 2 i ol 2 7 0 5 1 5 module 5 channel 1 data item 5 Gad page ada goog ea B 6 gag gag 688 PRR 35008244 03 2009 215 Variables 17 3 PL7 XTEL and ORPHEE variables Aim of this Section The aim of this section is to introduce you to the different PL7 variables on OFS NOTE Only memory objects of standard objects are accessible for series 7 XTEL and series 1000 ORPHEE PLCs The syntax used on these PLC ranges have been recovered and are highlighted in Italics They are only accessible with these types of PLCs For series 7 PLCs the size of the request is limited to 32 bytes Meanings of the terms used in the tables e not available e R read only access e W write access e RW read write access What s in this Section This section contains the following topics Topic Page Standard Objects 217 Grafcet objects 220 Standard function blocks 221 Table objects 223 216 35008244 03 2009 Variables Standard Objects System objects The table below shows the system objects supported by OFS server Object Syntax TSX 37 TSX 37 TSX Series 7 TSX 1000 PCX TSX 57 PCX TSX 57 on on X Way non X Way networks System bit Si R W gt
2. Concept datatype OPC Data Type Variant type Returned format BOOLEAN BOOL VT_BOOL True False BYTE BYTE VT_UI 8 bits WORD INT VT_l2 16 Bit INT INT VT_l2 16 Bit UINT UINT VT_Ul2 16 Bit DINT DINT VT_l4 32 bits UDINT UDINT VT_UI4 32 bits FLOAT FLOAT VT_R4 Floating IEEE TIME DINT VT_I4 32 bits Structures are supported It is possible to access a structure either by a bytes table the user needs to know the internal fields and their type or field by field with the following syntax lt Structure name gt lt field name gt 35008244 03 2009 227 Variables In this case the server finds out the data type directly from the Concept database NOTE Structure access may only take place with a device associated with a Concept project file prj as a Symbol Table file Both located and unlocated devices may be accessed For easy manipulation of a structure the user may create a group and then one item for each field of the structure within this group Access to unlocated variables and structures is only possible if the IEC runtime has been enabled in the PLC configuration see page 102 In addition unlocated variables and structures must actually be used in the PLC application to be readable writable with OFS In fact with Concept any unused unlocated variable is not recognized by the PLC This is why OFS accepts the creation of an item linked to an unused unlocated variable
3. Ew Devices Tabs and folders E Ey Default devices E Devices without Aliases y OPC Settings E Deadband lt 3 OFS Server settings E Diagnostic EQ Simulation Ee Symbols 9 PLC Software Ey Communication 4 Options The table below describes the tabs and folders of the OFS Configuration Tool screen Tab Folder s Devices Device overview Allows you to view the list of configured devices and the properties of devices Default devices Defines the settings given by default when a new device is created Devices without Aliases Defines the settings applied for the devices without aliases i e which are not in the device overview OPC settings Deadband Defines the settings for deadband feature OFS Server settings Diagnostic Defines the settings for diagnostic feature Simulation Defines the settings for simulation feature Symbols Defines the settings for symbols files PLC Software Defines the settings in relation with PLC software Communication Defines the settings for communication server feature Options Defines the optional settings for OFS server 35008244 03 2009 95 The OFS configuration tool Editing the Device Network Address Presentation The Configuration tool offers a graphic assistant for configuring the network and the address To call the assistant click on
4. Topic Page General information on OPC items 189 Definition of a group of items 191 OPC Item Properties 192 Specific Items 194 PLC operating mode management 200 188 35008244 03 2009 Items General information on OPC items General Before reading or writing values an OPC item should be created for each device variable The general syntax for an OPC item is lt item gt lt driver name gt lt address device gt lt Device Type gt lt definition variable gt lt length table gt lt number of extracted bit gt lt postfix gt The part lt nom driver gt lt device address gt lt Device Type gt may be replaced by an alias see page 105 created by the Configuration Tool If an alias is not used the driver name must be one of the names given in the following list and the device address is the address of the device on the communication medium Driver name Example of device address Communication medium UNTLWO1 0 254 0 Uni Telway FIPO1 FIPO2 0 31 0 Fipway adapter 01 or 02 FPP2001 0 31 0 Fipway PCMCIA adapter 01 ISAway01 ISAway02 0 5 ISAway adapter 01 or 02 Ethway01 Ethway02 0 5 Ethway adapter 01 or 02 XIPO1 gt XIPO5 0 5 X Way TCP IP adapter 01 to 05 MBPLUS01 MBPLUSO02 MBPLU PM 12 or DM 15 3 Modbus Plus adapter 0 or 1 or 2 or 3 S03 MBPLUS04 MBT 139 160 218 102 Modbus TCP IP MBTG 139 160 218 102 Modbus TCP gateway MODBUS01 MODBUS02 MODB 6 Mod
5. 00e cece eens Introducing the OFS Server 00 0 cece eee tee Communication with PLCs 2 0000 cee ee eee eee Different Access Modes for Server or Simulator 00 Software components and terminology 0 0 0c ee eee eee Access ofa NET client 0 0000 c eee eee Access for a SOAP XML Client 00 0 c eee eee Installing the OFS product 2055 Contents of the OPC Factory Server Product OFS Contents aa r ta ee eee Ra eRe et Hardware and software configuration of the OPC Factory Server product 200e eee e eee eens Hardware and Software Configuration 000 e eee ee eee Product installation procedure 0005 Preparing to Install the OFS Product 00000eeeeaee OPC Data Access Station 0 00 c eee eee OPC Data Access Remote Client 0 0000 cece eee ee Installation of a NET Interface 00 00 c eee Installation of an OPC XML Server 0 00 00 cece eee Web Client JVM checking 000 e cece eee eee Driver Installation 0 0 0 0 000 0c eee R gistrati sms iaae Se ie apa ee whale aan as OFS Authorization eee e eee 35008244 03 2009 Part Ill Workstation setup 00 eee ee eens 49 Chapter 6 Workstation Configuration 20 00seeeee 51 6 1 Configuration of stations fora WIN32 environment 52 DCOM Configu
6. But the Windows CD is not mandatory as the files may already be located in the c i386 folder 62 35008244 03 2009 Workstation Configuration Configuring IIS The following table describes configuration of IIS Step Action 1 Create the lt root gt OFS and lt root gt OFS ftp folders example c inetpub wwwroot OFS and c inetpub wwwroot OFS ftp In the Start menu select Control Panel Click Administrative Tools then choose Internet Services Manager IIS In the tree expand Web Sites Default Web Site Result the following window appears z Internet Information Services _ File Action View Help fAaBbBlig iZ2i gt man FF Internet Information Services Name Path Sta g aan local computer Isho c WinhielpNiehep E Web Sites _vti_bin rogram Files Commo Ea 2 Default Web Site C Printers G AWINNT web printers EHE IISHelp nae a P B a private EHE Printers C _vionf HE images Ca iog Hm Bal _ali_pvt 25 pri ms a i_scrip HE vi Browse vihi He i Sta bale rai olari ae ai Stop localstart asp i Pause mmc gif vi pagerror html New P bi postinfo html AllTasks print gif Rename warning gif Refresh web gif 7 wirp gif En _vi_inf htm Help Opens property sheet for the current selection 35008244 03 2009 63 Workstation Conf
7. ZE Dae aX el OM ad I e Diag2 DiagReadNextError Field Value F Access Path F Ative TRUE F Update ST 13 06 2001 09h28min16S F Gualiy Good 192 F Canonical Uns Charf F Type Uns Char F Access Rights Read Only F eu Type lone vo 0x08 vi 0x08 V2 0x02 V3 0x41 V4 0x01 v5 0x00 v6 0x00 v7 0x00 v8 0x98 v9 0x01 v10 0x76 Vil 0x25 V12 0xB9 v13 OxD6 vid OxD2 v15 0x11 V16 OxC6 Viz OxD6 Vv 1B OxD2 v19 0x11 Ready NLM Schneider Aut OFS VW Example of translation of bytes V12 to V15 which represent the time of the beginning of the alarm The table describing the time stamp format of the Diag buffer enables you to extract the different values The values read are V15 11h V14 D2h V13 D6h V12 B9h V15 V14 V13 V12 Hexadecimal 1 1 D 2 D 6 B 9 Binary 0001 0001 1101 0010 1101 0110 1011 1001 Decoding 4 7 9 13 26 57 Date Years Months Days Hours Minutes Seconds Calculation of the year 4 1997 2001 The result is therefore 13h26min57s 9 07 2001 306 35008244 03 2009 The Diag Buffer Diag buffer table formats Description The 120 byte table see page 304 alarm reset after a read on DiagReadN
8. NbrMaxPendingReq VT_l2 R W Yes Read Write of the NorMaxPendingReq parameter for a given device This parameter is the number of requests that can be transmitted in parallel to the device before its capacity is exceeded In general this parameter is automatically adjusted by OFS to the value which gives the best server performance However it can be lowered to avoid communication overloads to the PLC This parameter is strongly linked to the previous parameter MaxChannel for devices managing multi channel see page 324 configurations 35008244 03 2009 195 Items Name Type Access Can be activated NbrRequest VT_l2 R No Its value a number of requests is only related to one device defined by its path This indicates the number of requests sent to that device by the server to refresh its internal cache This includes all the frequencies that may exist in the server This item see page 239 may be created with no path within a synchronous group name starting with or In this case its value is the number of requests necessary to read the whole group If this item is created with no path within an ordinary group its value is always 0 This is only possible for questions of compatibility Name Type Access Can be activated PicStatus VT_l2 R W or R Yes The value returned is the PLC mode 1 if the PLC is running O if it is stopped It is possible to wri
9. Configuration tool My new configuration tool parameters are not taken into account Confirm the configuration tool and close and then reopen the server Configuration tool NOK connection between the client and the remote server Check not only the DCOM parameters but also the DCOM Security option of the configuration tool directory access path the directory under which the server and configuration tool should be installed is too long and the hard drive on your PC has been converted from FAT to NTFS Driver Communication with the PLC is not For X Way check with the X Way TEST utility of working the X Way Driver Manager whether communication is possible If it isn t See either the driver or the connections see appropriate manuals If it is Check the required consistency level it is likely that the PLC application version may be different to that of the symbols file Driver The message Identity failure for XIPO1 Check the compatible drivers for OFS V3 33 are 20 22 appears in the debug window of installed the server this message can appear for other drivers Driver Communication with the Ethway driver Check the driver installation check the settings in does not work NetAccess refer to the product documentation provided with the Driver CD Driver The use of driver instances greater than 1 NetAccess must be set up does not work Installation There may be anomalies if the desti
10. What s in this Chapter This chapter contains the following topics Topic Page Home Page of the OFS Web Site 162 Read Data Page 163 Data Editor Page 165 OFS Diagnostics Home Page 167 35008244 03 2009 161 The OFS server WEB site Home Page of the OFS Web Site At a Glance The home page is used to access the service pages on the site e Diagnostics e Monitoring edit read write data Accessing the Home Page Step Action 1 Open your usual browser 2 Enter the name of the Web Site machine using the following syntax http name of the Web service machine OFS Result The OFS server home page looks like this OPC Factory Server Schneider aE u G Electric ieee a e E EEE Home E Web Services PC XML DA OPC Factory Server FOUNDATION A Web site version 1 0 00 2000 2005 Schneider Electic Al Rights Reserved Internet The Documentation link allows you to access and open Web services documentation 162 35008244 03 2009 The OFS server WEB site Read Data Page At a Glance Illustration 35008244 03 2009 The Read Data page can be used to view animation tables containing lists of device variables configured and communicating with the OFS server This page cannot be used to create a table to modify a variable or to force a variable value The data viewer page uses the tables created by the data editor
11. e Selector designates a communication module on the CPU 2 or in a separate module 1 e Connection point device address if the destination module is FIPIO Physical positioning in the PLC rack if the destination module is a PLC card e Reference communication entity in the device similar to the Gate number 320 35008244 03 2009 Communication Examples 5 level addressing Network 1 Station 1 Station 2 Rack O Master address 1 1 0 Rack 1 Module 16 1 1 17 Master module 1 Slave 4 Slave address on channel 0 Slave address is on channel 1 1 1 5 17 4 if the master is 1 1 5 17 104 if the master 35008244 03 2009 321 Communication 6 level addressing Network 1 Station 3 FIPIO 14 Network 1 Station 3 Gate 8 FIPIO Module 2 CPU communication module Address 14 Gate O UNITE target PLC server gt 1 3 8 2 14 0 For more information on the X Way address see X Way Communication documentation ref TSX DR NET NOTE In point to point connections Uni Telway ISAway PClway the default address 0 254 0 can be used to reference the PLC 0 254 0 can be used to access to the Fipio Master when we are connected through the privilegied terminal 63 0 254 5 17 104 can be used to access to the Uni Telway slave 4 which is connected on the rack 1 module 1 channel 1 when we are connected on the local PLC 0 254 8 2 14
12. From the File gt Save As menu you may at any time save all information in a txt file stored by the OFS Manager Aliases list Messages Counter values This is the only way to save this kind of information impossible with the server debugging interface Viewing server information The Server Info section is used to view the server name the type of product the version and its operating mode normal or simulated This is especially useful when the server is operating in hidden mode and or in Vista XP or 2000 service mode without interface NOTE To avoid any conflict on the Alias creation it is recommended to close the configuration tool before using the OFS manager 35008244 03 2009 147 The OFS manager tool 148 35008244 03 2009 The OFS Test Clients 10 Aim of this Chapter The aim of this chapter is to present the test clients provided with the OFS server What s in this Chapter This chapter contains the following topics Topic Page OFS C OPC DA Client 150 The NET OPC DA OPC XML DA Client 151 35008244 03 2009 149 The OFS Test Client OFS C OPC DA Client Description The OFS client is an OPC client supplied with the OFS server as a test tool It is an OPC client in compliance with the OPC DA V2 0 standard Installation To install it on your machine select the Sample OPC client option during installation of the full ext
13. OPC NET API To comply with the OPC foundation standard the OPC Factory Server program includes a set of specific software components NET is a set of Microsoft software used to connect information systems and devices It enables a high level of software integration through the use of Web services which connect both to one another and to other wider applications over the Internet The NET platform e makes it possible to have all devices work together and to have user information updated automatically and synchronized across all devices e increases the capacity for Web sites to interact enabling a better use of XML e enables the creation of reusable modules thereby increasing productivity and reducing the number of programming inconsistencies e centralizes data storage increasing the effectiveness and simplicity of access to information and enabling the synchronization of information among users and devices The NET framework comprises 2 main parts e the common execution language with a library of unified hierarchical classes It includes an advance to Active Server Pages ASP NET an environment for building intelligent client applications Windows Forms e adata access subsystem ADO NET Web services are applications located on the server side They are queried by Web or thick Client applications located on the network The entire system communicates via standardized messages in XML format Web services enab
14. To create such a file with the Modsoft workshop e open the application with Modsoft e from the main menu select Utility gt Symbol Table gt to open the symbol table editor e use the File I O gt Export menu to create the file This exported file does not authorize the consistency check application name and version between the symbols table file and the application in the PLC Modsoft applications may receive comments using the comments section of the file However the OFS server only uses reference symbols Only symbols compliant with IEC format are supported Symbols defined for the bits extracted from registers are not supported 35008244 03 2009 251 Symbols CSV symbol table file Description This type of file can be used with tools such as text editors e g Notepad or other tools e g Excel 97 or later The format of each line is very simple lt Address gt lt Separator gt lt Symbol gt lt Separator gt lt Comments gt e the lt Address gt should be a valid address for the device associated with that symbol file e the lt Separator gt can be a comma a space or a tab character e the lt Symbol gt can be any string of characters without a comma space tab special character In cases where certain special features are used table length special postfix such as R add them to the address Example table with 10 Read Only registers 400001 10 R Table_Status This file does not
15. e inthe Shortcut tab check the Run in Separate Memory Space box With OFS more than one Concept project can be used at once as long as they are from the same version of Concept In order to do this simply create the aliases required and for each of these select a different project file OFS software when used with the stripped Quantum executable file will not read unlocated variables If you envisage using unlocated variables e the Quantum executable MUST NOT be a stripped version e IEC runtime must be activated on the PLC e the Unlocated media option must be checked in the properties page Otherwise no access to any unlocated variable will be performed Concept and OFS may run simultaneously on the same Concept project Several Concept projects may be opened simultaneously as long as they are all of the same version 102 35008244 03 2009 The OFS configuration tool The Remote Client The remote link offers exactly the same features as the normal Concept link The only difference is that the Concept machine where the Concept programming tool and the Concept project files are situated is not the one on which the OFS server or the simulator is launched These machines must be linked by DCOM usually on TCP IP An OFS server with a license or an OFS simulator DEMO mode must be installed on the Concept machine An appropriate DCOM configuration must be performed to enable access to this server which is calle
16. Can be activated Limitation VT_UI1 VT_ARRAY R yes This item enables you to read the list of detected errors in the diag buffer memory Value to write e nothing Value returned after read e detected errors saved in the form of a 550 byte table see page 284 272 35008244 03 2009 The Diag Buffer Value returned by the item HRESULT Comment S_OK Read successful no modification is recorded in the 120 byte table or read successful modifications recorded in the 120 byte table the anomaly has been acknowledged or has disappeared or Read successful a new table has been created a new anomaly has appeared OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_BUFFER_FULL Diag buffer is full OFS_E_DIAG_WRONG_MMI_ID The viewer identifier is not valid outside range 1 to 15 OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected DiagAckError specific item Type Access Can be activated Limitation VT_Ul2 WwW no This item allows alarm acknowledgment Value to write e the value on 2 bytes corresponding to the Identification number zone the second and third byte from zero of the table Value returned after read e nothing Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_B
17. Push Data support in OFS Some sample applications are provided on the CD to show how a PLC application can send Push Data to the server In both cases the functions and the behavior of the server are perfectly identical To use these functions you must adhere to the following procedure 1 Creating an alias for the device with the Configuration Tool Open the properties page of the device Define the range of Push data for the device Base and Size Example range MW1000 MW1500 base 1000 size 500 Example range 401000 401200 base 1000 size 200 Define the initialization mode for the Push data area Values to 0 or values read from the device Close the properties page and the Configuration Tool and save the parameters Create an application or use a sample application provided on the CD capable of sending Push data to the server check the consistency with the Push data range shown below for the device Load it into the PLC Launch the OPC test client then connect it to the OFS server Create an item associated with the equipment in order to establish the connection and initialize the Push data range In the server diagnostics window a message should appear and indicate that the Push data are being received from the device 10 Create an item in the Push data range using the OPC test client 11 Launch the write operation from the application 35
18. x Select a server for the session ode Browse F opc10 F opc20 M All Prog ID User info CLSID CISC SRA TMOG Schneider Aut OPC Factory Server E7675090 9FF9 1 fr Prog ID Schneider Aut OFS Carcel e Select the Schneider Aut OFS server in Prog ID e Enter the name of the computer of the OFS server in Node e and click on OK to connect to the OFS server Step 2 Creating an Active Group In the OFSClient window click on File then New The option Initially active is checked by default Give this group a name then click OK 176 35008244 03 2009 Example of using OFS Step 3 Adding an item Click Item then New in the toolbar The following window appears Additem Ea Access Path F Browse Flat Enable Specific ltem ID Device_TCPIPI IMIW10 Filter E Refresh mfi devModbus Name a Device_TCPIP ff devFiP Datatype Filter Access Rights Specific Concept Free Char OUnsChar Float T Readable Comment Located Only Boolean Short Uns Shot Double F Writable F Address Unlocated Only String Long Uns Long Both Item Creation ee Simple Only IZ Initially Active Requested Type Free m See Struct Only Add Gul Simple amp Struct This screen shows all the aliases created in the OFS configuration tool Click on your alias Device_TCPIP which appears in the fie
19. 266 35008244 03 2009 The Diag Buffer Operation The table below describes the different operating phases Phase Description 1 The diagnostics DFB integrated in the applications program or system detect when the process is not operational 2 A buffer memory called diagnostics Buffer saves the detected faults in time stamped message form 3 One or more multi station viewers 15max allow you to e view of one or more areas of a PLC e view one or more areas of several PLCs e acknowledge messages e view the evolution of an item s status For more information on the Diag buffer see the section on Diag buffer installation see page 294 35008244 03 2009 267 The Diag Buffer 19 2 Diag Buffer for Unity Pro Aim of this Section This section deals with the installation of the Diag buffer in Unity Pro PLC and its main features The Diag Buffer is only available on Unity Pro dedicated PLCs What s in this Section This section contains the following topics Topic Page Operation from an OPC client 269 Description of client sequencing 281 Installation of the Diag buffer 283 Diag buffer table formats 287 Information retrieved by the Diag buffer at the top of the table 288 Specific information sent back by the Diag buffer in the table 291 268 35008244 03 2009 The Diag Buffer Operation from an OPC client Reminder about the Diag Buffer Description
20. 5 69 ASCII value for E 6 86 ASCII value for V 7 95 ASCII value for _ 8 68 ASCII value for D 9 73 ASCII value for I 10 65 ASCII value for A 11 95 ASCII value for _ 12 84 ASCII value for T 13 114 ASCII value for r 14 117 ASCII value for u 15 101 ASCII value for e Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected OFS_E_DIAG_WRONG_ERROR_ID Non authorized anomaly identifier OFS_E_DIAG_ERROR_NOT_USED No element corresponds to this identifier 35008244 03 2009 277 The Diag Buffer DiagRetriggError specific item Type Access Can be activated Limitation VT_Ul2 Ww This item allows alarm retrigger build again the list of FaultCause After this retrigger the PLC DiagBuffer will update the alarm so user will get a new buffer for this alarm on DiagReadNextError item But this alarm will still show the original number of FaultCause not the updated number Value to write e the value on 2 bytes corresponding to the Identification number zone the second and third byte from zero of the table Value returned after read e nothing Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected OFS_E_D
21. DCOM security Enables disables DCOM security see page 51 DNS Scanning TCP IP Authorizes the server to use DNS to identify the PLC Shutdown batch file If a BAT file is indicated it will be run at the time of the shutdown request from the OFS server Shutdown of the OFS server will occur after running the BAT file If the batch process still has not finished after 10 seconds the batch will be interrupted and the server will be effectively stopped Tempo after shutdown request If a timeout value is given the effective shutdown of the OFS server will be delayed by the value of the timeout Range 0 32767 seconds If moreover a BAT file is indicated the timeout will be armed after running the batch process limited to 10 seconds 142 35008244 03 2009 The OFS configuration tool 8 14 Configuration database management Database management Description Certain third party software programs OFS Manager for example may attempt to modify the configuration database at the same time as and by taking priority over the configuration tool The two following scenarios may arise the configuration tool is launched when the configuration database is in the process of being modified by a third party program In this case a warning message is displayed when the configuration tool is launched indicating that the tool will run in Read only The configuration tool will then not be able to modify th
22. OPCltemProperties interface is supported by OFS server The following properties are supported canonical data type value quality timestamp access rights description only if a comment has been given in the Workshop the forcing state of a bit only for input bits and output bits see O module objects page 218 For Concept variables and Unity Pro variables only e InitialValue the initial value of a variable VariableKind the type of variable elementary structured function block section VariableTypeld The Type id as known by the Concept tool MemoryArea areas Ox 1x 3x 4x unlocated unused etc Arealndex the index inside of the memory area VariableSize the size useful for non elementary variables e RelativeOffset the offset inside of a structured variable For a given variable some of them may not be supported if it doesn t make sense e g no Description if the variable does not have a comment no InitialValue if the variable has no initial value etc For Unity Pro variables only e CustomString free character string buffer To test the use of OPC item properties you can use OFS client see OFS C OPC DA Client page 150 Example of use You want to know when the link between the PC and the PLC is broken When this is the case you want to display something special in your OPC client application The quality of an item is the specification to use in general it is not possi
23. or unable to load Concept prj saved See readme txt in the ConceptLink file appears directory of the CD Server Use of screen savers The use of screen savers is not recommended with System OFS server except the password protected blank screen lock computer or lock WorkStation option It is not advisable to use power saving Remote client Windows Vista XP or 2000 Server User rights running Windows Vista XP or The OFS server can only be installed if the session Installation 2000 is opened with an ADMINISTRATOR account The server and any local client can work perfectly well under the same non ADMINISTRATOR account Server Remote access anomalies with In order to be used remotely by an OPC DCOM client the OFS server must be started up using an ADMINISTRATOR account or as an Vista XP or 2000 utility Check that the user rights are correctly managed adjust with the DCOMCNFG exe tool Use of symbols obtained when creating a user group with a symbols file Server User defined type not defined message Instruction Development ofa during the compilation of the declaration Dim WithEvents OpcFactoryServer As OPCServer VB client of the OPC Server object in Visual The interfaces presented by the OFS server are not Basic recognized by Visual Basic You should save these interfaces using the Tools gt References menu in VB6 SP3 then select SA OPC Automation 2 0 as this OPC Automati
24. r fot PL sects rady oid dass Se ee gee Hes ae ne acs 294 Operation from an OPC client 1 0 0 0 0 0 c eee eee 295 Description of client sequencing 0 0 cece eee 301 Installation of the Diag buffer 0 0 0 cc eee eee 303 Diag buffer table formats unua 0 0 cee eee eee 307 Information retrieved by the Diag buffer at the top of the table 308 Specific information sent back by the Diag buffer in the table 311 Chapter 20 Communication 00 0c eee eee eee 315 20 1 Communication 0 0 00 316 INtrOdUCTION e eee ae ek oP ob Ga ee gy ee See eed 317 X Way addressing ModeS 0 cece eee 319 Direct addressing modeS 0 cece eee 323 20 2 Multi Channel Feature 0 0 0 c eects 324 Multi Channel Feature 0 0 00 c eee eee 324 35008244 03 2009 7 Chapter 21 21 1 21 2 Part VII Chapter 22 Part VIII Chapter 23 23 1 23 2 23 3 23 4 Glossary Index PenorMmanCe seisata ede a a sein ase 325 Static characteristics 0 0 kee 326 Data Items in a Request 0 cee eee eee 327 Use of QroupS sneered ere hs Died VAs ee koa god baat ok 329 Optimizing requests 0 0 0 330 Writing Concept structure type variables 00 eee 331 Addressing of discrete I O modules for Premium and M340 devices 332 Addressing of analog I O modules for Premium and M340 devices 334 Restrictions and advice for Input O
25. variable 1 variable 1 1 e Length of the instantiated name instantiated name The first part gives the length of the instantiated name then the instantiated name of the diagnostic anomaly e Size information The content gives the size of the buffer s additional information e Type The content gives the type of additional information of specific data 35008244 03 2009 313 The Diag Buffer 314 35008244 03 2009 Communication 20 Aim of this Chapter The aim of this chapter is to describe the product s communication methods What s in this Chapter This chapter contains the following sections Section Topic Page 20 1 Communication 316 20 2 Multi Channel Feature 324 35008244 03 2009 315 Communication 20 1 Communication Aim of this Section The aim of this section is to describe the type of communication used by the OFS server What s in this Section This section contains the following topics Topic Page Introduction 317 X Way addressing modes 319 Direct addressing modes 323 316 35008244 03 2009 Communication Introduction General e the OFS server allows the use of several different communication media simultaneously a client application can for example gain access to a PLC using Fipway and to another using ISAway e the OFS server provides X Way and Modbus network transparency
26. 0 20 e eee eee eee 211 17 3 PL7 XTEL and ORPHEE variables 0 0 c cece eee 216 Standard ObjegtS inuri eae ee ke a Pe es 217 Grafcet Objects ns i tan Sree i Siw i rt Eee ae AS 220 Standard function blocks 0 0 cece eee 221 Pable Objects 76 5 3 sea n ek A Deen Spach k eee eS 223 17 4 Concept variables on OFS 0 0 0 0 cee eee 226 Variables concept 000 0c eee eee eee eee 227 Relationship between Concept variables and IEC 61131 229 17 5 Modsoft variables on OFS 0 0 0 0 cea 230 Modsoft variables 0 0 cece ete 230 17 6 Variables in general 0 0 cece ee 231 Support of extracted bits 0 2 eee 232 Local variables 22 scieve Oe Bi ae ee ee a ee Pe ee Ss 233 Managing Variable Tables 0 0 c eee eee ee eee 234 Chapter 18 SVMbols 2 3212520 cots Sais ie tee ta nor eeee 237 18 1 Symbol operation 00 tees 238 The Different Groups of Items 1 0 00 0 eee 239 Read Consistency penie s e eet 240 Write Consistency o esisin e e cette 241 Asynchronous Operation a aaas aaaea aeaaee 242 Periodic Read Utility Installation 0 0 e eee eee 243 35008244 03 2009 18 2 Symbol management 0 0c cee tee 244 Introduction to symbol management 0 eee eee ee eee 245 Unity Pro exported symbols file 2 2 2 0 0 00 eee eee eee 247 PL7 Exported Symbols Table File 0 0 0 0 cece
27. 0 can be used to access to the Fipio connection point 14 when we are connected through the privilegied terminal 63 With Ethway and XIP it is possible to use gate 7 which accepts large frames up to 1024 bytes In order to do this the PL7 application must be configured in periodic mode MAST task The 1K service option must be checked in the alias definition page Example normal address XIP01 1 2 to use gate 7 XIP0O1 1 2 7 322 35008244 03 2009 Communication Direct addressing modes Description e over TCP IP the only information required is the IP address This can be given as four groups of numbers separated by dots or by a DNS name e g My Station In this case the DNS scanning feature should be enabled see page 142 e over Modbus Plus the syntax is lt access level gt lt node1 gt lt node2 gt lt node3 gt lt node4 gt lt node5 gt The access level can be e PM Program Master e DM Data Master e over USB there is no information The node number should be used to specify the full path To access a device without a bridge only access mode and node are required For TCP IP Modbus Plus bridges the syntax is MBT lt IP bridge address gt lt Modbus Plus device node number gt The IP bridge address corresponds to the number entered into the configuration tool s MBP bridge index box This configuration is detailed in the network section of the device see page 96 For example Addres
28. 15 and position 0 The module detected error bit generates an additional request whereas the module channel bit does not If the module channel bit does not generate an additional request the module detected error bit will be included in the same request In write mode objects are concatenated on items addressing the same channel of an Input Output module For example on a Uni Telway bus writing of the following objects generates a request Object Comment QD1 0 double output word of rack 0 module 1 channel 0 and position 0 QW1 0 2 output word of rack 0 module 1 channel 0 and position 2 QW1 0 3 output word of rack 0 module 1 channel 0 and position 3 Q1 0 output bit of rack 0 module 1 channel 0 and position 0 336 35008244 03 2009 Performance Restrictions and advice for Input Output objects on PL7 devices Input Output performance Reading Input Output items generates a large number of requests You should therefore beware of any loss of performance which may occur especially when addressing in addition items other than I O items Defining an I O item when the device or I O module is not connected If the device and or the I O module are not connected when an item is defined module optimization see page 332 is not performed As a result the channels of discrete I O modules are addressed using channel optimization see page 334 that is with one request per ch
29. 192 conditions 35008244 03 2009 203 Items The Substatus field for the Uncertain value of the Quality field B5 B4 B3 B2 Substatus Meaning Validity value 0 0 0 0 Non specific A risk has been detected 64 NOTE For all the other values not mentioned in the above tables please contact technical support 204 35008244 03 2009 Items Objects outside Software Configuration Description The OFS server does not have access to the software configuration of the applications it accesses If a group contains items that are outside the software configuration it may not be read on other items that are compatible with the configuration It is due to the fact that optimization algorithms are used in read requests In case of a table the OFS server can not read the whole table even if only one sub element of its elements is outside configuration Example 1 Application in which 522 words have been configured from MWO to MW521 The read or write of a group containing table item MW520 10 will not be possible for the whole of this item even though the words MW520 and MW521 are in the configuration NOTE The words MW520 and MW521 in this example can be accessed individually Example 2 Application in which 522 words have been configured from MWO to MW521 An active group with the active items MWO0 quality Good and MW500 quality
30. 35008244 03 2009 The Diag Buffer Definition of the contents of the table System specific data Length of comments comments The first part gives the length of the comments and then the FB comment Length of the instance name instance name The first part gives the length of the name and then the instance name Length of FB type name type name The first part gives the length of the name and then the FB type name Length of Faulty PIN name PIN name The first part gives the length of the name and then the name of the faulty PIN Status address an 6 bytes structures for Status address Extra data not documented part data The diagram below describes the Variable Size Specific data section for System Specific data for System Length of comment bytes comment Length of instance name bytes instance name Extra data Definition of the contents of the table e Length of the instance name instance name Length of comments comments Size in byte 1 variable 1 variable The first part gives the length of the comments and then the FB comment The first part gives the length of the name and then the instance name Extra data not documented part data 35008244 03 2009 293 The Diag Buffer 19 3 Diag Buffer for PL7 Aim of this Section This section deals with the installation of the Diag buffer and its main features The Diag Buffer is only
31. 5 DiagReadStatus C lt lt o Diagnostic Cc Buffer Device 3 i With the OFS server several PLCs can be monitored at the same time it has a multi station function unlike the PL7 which can only manage one PLC at a time To supervise several PLCs at once simply create other aliases in the configuration tool and add them to another group belonging to the same client minimum of 1 group per device to monitor Diag Buffer Management Anomalies recorded in the diag buffer memory can have the following statuses e active or inactive e acknowledgment requested or acknowledgment not requested e if acknowledgment is requested the error may can be acknowledged or not acknowledged NOTE Only anomalies from the diag buffer can be acknowledged An anomaly displayed on several viewers will be deleted from all viewers once it has been acknowledged on one viewer An alarm is deleted from the buffer if e the alarm no longer exists e all viewers have read the alarm e the alarm has been acknowledged after an acknowledgment request 300 35008244 03 2009 The Diag Buffer Description of client sequencing Description of client sequencing The graph below shows how and in which order an OPC client uses the specific items for PL7 Diag buffer Yes m gt Init pE gt Write DiagLogout ViewerlD No hd Write DiagL ogon Area_Mask ViewerlD Read Di
32. 5 T The table below describes the fields relative to X Way parameters Field Description PLC s This area enables you to identify the type of PLC in use e UNITY programming with Unity Pro U at the end of the alias address e PL7 programming with PL7 T at the end of the alias address e X TEL programming with X TEL S at the end of the alias address e ORPHEE programming with ORPHEE J at the end of the alias address Through ETY 120 Driver TCPIP only reserved for certain modules e g TSX ETY120 If selected enter an IP address Addressing levels Addressing levels for X Way addresses See Communication see page 319 section Network Statio n Gate Index X Way Address The unlabelled text boxes are grayed out depending on the addressing level selected For more details on X Way addressing see the section entitled Communication see page 319 Index is the XWAY gateway number To have an index number you must create a virtual alias without associated symbol table file by using Gateway XWAY see page 111 as driver Instance number One instance per driver installed Generally equal to 1 Each driver corresponds to a communication card in the PC 35008244 03 2009 97 The OFS configuration tool 1K Service for PL7 equipment only This option increases the communication performance by raising the size of the frame
33. A client application can access PLCs in a PLC network architecture including bridges for switching between communication media e OFS server behavior in the event of an inoperable communication with the PLC PLC missing disconnected etc e all the requests corresponding to one group will be transmitted both for reading items and for writing items e from a performance point of view this means that the execution period for the read or write primitive may rise to n times the timeout period where n is the number of requests associated with the group Note There are no request retries on timeout NOTE For networks with logical connections if the connection is broken the server automatically tries to re establish it E g TCP IP When the XIP driver is used more than one device connected and one of these is absent communication with devices connected by XIP is blocked for a few seconds as XIP uses Winsock and awaits the end of the TCP IP timeout After this timeout everything should come back normal except of course communication with the missing PLC The OFS server will indicate communication anomalies to the client application in the following way each item belonging to an inoperative request will be marked invalid whether it is for a group s synchronous or cyclic read request Whatever the method used to perform the read invalid means that the Quality attribute is Bad Valid means that the Quality attribute
34. CEE ce PL Ea E Modbus device a8 Details incept_Device G XWAY Gateway amp My_XTEL_Device QA Device Gateway 92 35008244 03 2009 The OFS configuration tool Details display mode The details mode displays as follows Symbol File Path C Premium 1 Pr Name Device Address MBPLUSO1 C_Orphee MBT 1 2 3 4 Q vice_PL _Ethway ETHWAYO1 1 20 4 7 8 9 T p Concept Device MBPLUS01 DM 11 22 Q My_XTEL_Device UNTLWO1 2 254 S Concept_PRJ MBT 129 80 100 23 1 Q C Quantum 2 Project 2 prj Modbus Gateway MBTG 139 175 80 40 E Modbus device MBTG 139 175 80 40 33 Q XWAY Gateway XWAY G29 4 Device Gateway MBT 182 24 106 84 U 35008244 03 2009 93 The OFS configuration tool 8 3 The Alias folder Overview This section describes alias management What s in this Section This section contains the following topics 94 Topic Page Introduction to the standard parameters for editing aliases 95 Editing the Device Network Address 96 Associating a Symbols Table File 100 Link with Unity Pro 101 Link with Concept 102 Support of symbols 104 Setting the alias properties 105 Tuning the OFS Network Interface 112 35008244 03 2009 The OFS configuration tool Introduction to the standard parameters for editing aliases Configuration tool presentation The browse in the configuration tool is presented by a tree view
35. Communication folder aaaea aaaea aae 140 8 13 The Options folder 0 0 0c eee 142 The Options folder 0 anaana auanei aaea 142 8 14 Configuration database management 000 ee eee eee 143 Database management 0 eee ete eee 143 8 15 Compatibility with Previous Versions of Configuration Tool 144 Compatibility with the Previous Version of the Configuration Tool 144 Chapter 9 The OFS manager tool 00s eee eee eee 145 The OFS Manager 20 0 c cece eet eee 145 Chapter 10 The OFS Test Clients 0 000 e eee eee eee 149 OFS C OPC DA Client 2 0 0 cette 150 The NET OPC DA OPC XML DA Client 00000 ee 151 Chapter 11 The diagnostics screens of OPC Factory Server 155 OPC Factory Server 0 00 teens 155 Chapter 12 The OFS simulator 200 e eee ee eee 159 Simulator Modes 2 cnk at hee ed ME ae Ee eek He es 159 Chapter 13 The OFS server WEB Site 2 0 0 0 cece ee eeeee 161 Home Page of the OFS Web Site 00 00 c eee 162 Read Data Page sj cence oe pack Enea ds a ai a a atadan ae ane Ad 163 Data Editor Pags nosice gni id ee es Sd et eee 165 OFS Diagnostics Home Page 0 cece cette eee 167 Part V User example 2 0000 e eee eee eee eens 169 Chapter 14 Example of using OFS 200 eee eee eee 171 Introduction to Server Installation 0 0 0 0 00 cece eee e
36. Create new FTP Virtual Directory 72 35008244 03 2009 Workstation Configuration Step Action 2 In the FTP creation wizard enter OFS Virtual Directory Creation Wizard x Virtual Directory Alias You must give this virtual directory a short name or alias for quick reference Type the alias you want to use to gain access to this virtual directory Use the same naming conventions that you would for naming a directory Alias OFS lt Back Next gt Cancel Click Next gt 3 Click Browse to specify the OFS path defined in step 1 of the IIS configuration procedure see page 67 Example c inetpub wwwrootlofs Virtual Directory Creation Wizard x FTP Site Content Directory Where is the content you want fo publish on the FTP site Enter the path to the directory containing the content for this FTP site Path C inetpub wwwrooohOFS Browse lt Back Next gt Cancel Click Next gt 35008244 03 2009 73 Workstation Configuration Step Action 4 Configure the wizard window as shown below Virtual Directory Creation Wizard x Access Permissions What access permissions do you want to set for this virtual directory Allow the following Read Write Click Next to complete the wizard lt Back Cancel Do not check either box in the wizard screen Thus ftp lt host ofs is not accessible Click N
37. Device address MBTG 139 175 80 40 General Comment My comment Communication information Driver information a Adjustment information Max Channels 1 Max Pending 0 NOTE here you must check gateway in the ModbusTCPGateway driver Field Description Max Channels The indicated value must be consistent with the technical characteristics of the gateway If this parameter is greater than the capacity of the gateway system messages on the management of sockets may be displayed in the trace file Note This parameter has a very large impact on performance as it determines the maximum number of requests that OFS can process in parallel see page 324 Maximum pending requests Maximum number of requests authorized to be pending awaiting response for a device This number does not depend on the number of opened channels Range 0 256 0 is the default value and it indicates that OFScalculates the optimal value 35008244 03 2009 109 The OFS configuration tool The illustration below shows an example of a gateway device type alias Device name Modbus device Device name lodbus device Device address BTG 139 175 80 40 33 Q General Symbol table file ae Option Simulated Read Only Preload settings NoPreload Symboltabe Device Comment ly comment Com
38. Fixed size bytes Specific data p Da stored Variable size _ arer eee anomaly 549 35008244 03 2009 287 The Diag Buffer Information retrieved by the Diag buffer at the top of the table Description The illustration below details the contents of the first 26 bytes in the table Anomaly registered at the top of the table Internal ID Error ID Identification number Length of Class status l beginning 12 Time stamp 14 21 acknowledgment 23 25 No of area Status Size of Nb of Specific Info FaultCause 24 X Byte no Definition of the contents of the table Size in bytes 1 1 1 1 1 1 e Internal ID coded on 2 bytes a number used inside PLC e Identification number coded on 2 bytes an identification number which is given for acknowledgment delete or GetFaultCause e Class coded on 1 byte determines the class of the anomaly 288 35008244 03 2009 The Diag Buffer The table below gives the definition of the code retrieved in this byte Symbol Value Comment OFS_DIAGU_CLASS_SFC_MIN_TIME 0x00 A SFC step exited too early OFS_DIAGU_CLASS_SFC_MAX_TIME 0x01 A SFC step exited too late
39. Good If the item MW530 is added MW500 becomes Bad and MW530 is Bad but MWO remains Good Explanation reading the whole active group requires 2 requests one for MWO and another for MW500 and MW530 The first request is still OK MWO remains Good However MW500 and MW530 are reported as being Bad quality If the item MW530 is deleted MW500 becomes Good again 35008244 03 2009 205 Items 206 35008244 03 2009 Variables 17 Aim of this Chapter The aim of this chapter is to introduce the product s various data types What s in this Chapter This chapter contains the following sections Section Topic Page 17 1 Data types 208 17 2 Unity Pro Variables on OFS 209 17 3 PL7 XTEL and ORPHEE variables 216 17 4 Concept variables on OFS 226 17 5 Modsoft variables on OFS 230 17 6 Variables in general 231 35008244 03 2009 207 Variables 17 1 Data types Different OPC data types Description The OPC data types handled by the OFS client called expected can be different from the native data types of the variables within the device called canonical By default at item creation they are identical However you can opt for another type More specifically conversions between canonical type arrays or 16 bit words and expected type character strings are supported giving the user easy handling of character strings with PLCs th
40. Input word IWi j r R R lW p 2 c m j 1 Output word QWi j r R W R QW p 2 c m jL r Double input word lDi j r R R ID p 2 c m j r Double output word QDi j r R W R QD p 2 c m j r Floating input 32 bits lFi j r R R lF p 2 c m j r Floating output 32 bits QFi j r R W R QF p 2 c m j r Channel error bit li j ERR R l p 2 c m j ERR Module error bit li MOD ERR R l p 2 c m j MOD ERR 218 35008244 03 2009 Variables e description for in rack modules e i rack number 100 number of position of module in the rack e j channel number e r optional rank of the object in the channel e description for remote FIPIO modules e p 0 or 1 number of the position of the processor in the rack e 2 channel of embedded FIPIO processor e c connection point number e m 0 base module manages communication with the processor 1 extension module can be connected to the base module to double the number of I Os j channel number r optional rank of the object in the channel NOTE The Fipio I O objects are only accessible on PLCs programmed using PL7 via X Way networks 35008244 03 2009 219 Variables Grafcet objects Description Object Syntax TSX 37 PCX TSX 57 Step state Xi R R Activity time of a step Xi T R R Status of step in a macro step X j i R Activity time of a step
41. KW100 X0 pump X4 Writing extracted bits is only possible for MW variables on PCX PMX Premium and micro version 3 0 or later on XWAY type network and is not supported on Modbus networks 232 35008244 03 2009 Variables Local variables Definition There is a pseudo protocol driver name LOCAL which allows for the creation of variables which are only local in relation to the server unrelated to any hardware device These local variables are always WORD VT_12 type variables created using a name Syntax LOCAL lt name gt Example LOCAL Bridge If two or more clients create the same local variable the same name its value is shared This means that if a client modifies the value the other client s will be notified if notification has been activated This function is generally used to exchange data from one client to the other 35008244 03 2009 233 Variables Managing Variable Tables Description e the OFS server manages tables of variables This provides easy access to a group of contiguous variables of the same type e the OFS server accepts several kinds of syntax according to the target PLC lt Origin Element gt lt Length gt The lt Origin Element gt field represents either the address or the symbol of the first element in the table The lt Length gt field represents the number of elements of the same type as the origin variable in the table Exampl
42. QF lt mod gt lt c gt QF4 2 3 R W QF lt mod gt lt c gt lt d gt QF4 2 3 1 R W M variables Word MW lt mod gt lt c gt MW4 2 3 R W MW lt mod gt lt c gt lt d gt MW4 2 3 1 R W Double word MD lt mod gt lt c gt MD4 2 3 R W MD lt mod gt lt c gt lt d gt MD4 2 3 1 R W Real floating point MF lt mod gt lt c gt MF4 2 3 R W MF lt mod gt lt c gt lt d gt MF 4 2 3 1 R W K Constants Word KW lt mod gt lt c gt KW4 2 3 R KW lt mod gt lt c gt lt d gt KW4 2 3 1 R Double word KD lt mod gt lt c gt KD4 2 3 R KD lt mod gt lt c gt lt d gt KD4 2 3 1 R Real floating point KF lt mod gt lt c gt KF4 2 3 R KF lt mod gt lt c gt lt d gt WKF 4 2 3 1 R 214 35008244 03 2009 Variables lt mod lt b gt lt e gt lt r gt lt m gt lt b gt bus number omitted if station is local lt e gt device connection point number omitted if station is local lt r gt rack number lt m gt module slot lt c gt channel number 0 to 999 or MOD reserved word lt d gt date number 0 to 999 or ERR reserved word NOTE For Quantum PLCs the syntax of inputs l and outputs Q is not managed Instead you must use flat addresses such as l see page 213 and M see page 211 Examples Local station and station on field bus SES ol TS U6
43. Select Features pW Select the features setup will install w Select the features you want to install and deselect the features you do not want to install v OPC Data Access Station Description E7 OPC DA Server OPC Data Ascess Station t 12 OPC DA Sample Client OFS Confguration Tool OFS User Documentation OPC Data Remote Client NET Interface OPC XML Server Web Client JVM S K XX MB of space required on the C drive XX MB of space available on the C drive InstallShield lt Back Cancel 35008244 03 2009 35 Product installation procedure Step Action 3 Among the available features and depending on the customer information select the ones you want to install and click on Next Note You can display the description of a feature as well as its components by putting the focus on it Important The OPC Data Access Station and the OPC Data Access Remote Client cannot be both installed on the same machine These options are exclusive 36 35008244 03 2009 Product installation procedure OPC Data Access Station Installation Options The installation offers the following options OPC DA Server e OFS Server Multi controller data server which is compatible with versions OPC 1 0 and OPC 2 0 allowing you to communicate with the Schneider PLCs in order to supply one or more OPC client applications e OFS Server Simulator
44. Unity Pro For fef and scy types of PL7 consistency is checked at device startup OFS may detect an inconsistency when reading writing items In the case of weak frequency of group polling this option allows to periodically check the consistency at the period defined in the dynamic coherency check in the PLC software folder e Strict level A variation with the application signature stops the communication e Debugging level If an inconsistency is detected the communication continues Option Simulated option no physical connection is made to the device The variables are simulated directly by the server See also the simulation folder see page 135 Read only option All variables relating to the device are read only Data Dictionary option In order to configure the resynchronization of the corresponding device by the OFS server the Using Data Dictionary option must be checked in the device setting This option is visible in case of TCP IP direct driver and Unity PLC 106 35008244 03 2009 The OFS configuration tool Field Description Modbus Concept Specific to the devices programmed using Concept Enables support of unlocated variables This option must be activated when the user wishes to use the access to unlocated variables function For more information on this subject go to the concept link see page 102 section Comment Allows to add any comment Dri
45. View of the Data Viewer page read data from an OFS server Schneider OPC Factory Server G Electric Home Monitoring Monitoring Data Viewer DATA VIEWER x Documentation ONITO Diagnostics Maintenance N j Rate 1000 IP Address 139 160 234 43 tablet Name Value Type ReadOnk M1192 V1 2 xsd int M1182 V2 0 xsd Comment false Machine 1 Station 2 Valve 1 nt false Machine 1 Station 2 Valve 2 Started number of requests 2 2005 Schneider Electric S A S All Rights Reserved Internet NOTE In the left hand field the window displays the tables created by the editor The user can select which table to display 163 The OFS server WEB site The variable comprises the following elements FIELD FUNCTION Name Name of the variable mnemonic Value Value of the variable or system message Type Data type supported by OFS ReadOnly If this box is selected the variable cannot be forced by the variable editor This field does not match the access right attribute of the OPC item Comment Comment on the variable 164 35008244 03 2009 The OFS server WEB site Data Editor Page At a Glance This page is used to create animation tables containing lists of PLC or device variables to be viewed or mod
46. address parameters Field Description PLC s This area enables you to identify the type of PLC in use e UNITY programming with Unity Pro U at the end of the alias address e PL7 programming with PL7 T at the end of the alias address X TEL programming with X TEL S at the end of the alias address e ORPHEE programming with ORPHEE J at the end of the alias address e CONCEPT programming with Concept Q at the end of the alias address TCPIP DNS Modbus TCPIP and Modbus TCPGateway TCPIP if this option is selected enter an IP address DNS If this option is selected enter device name MODBUS Index Indicates the Modbus node value of the device Gateway When ModbusTCPGateway see page 109 is selected check the box to access the gateway Modbus TCP lt gt Modbus RTU Modbus TCP lt gt Modbus Plus ModbusSerial PLC node Modbus RTU only Premium Unity PLCs are not accessible via the Modbus serial link Modbus Plus Modbus Plus only Data master limited rights read write variables Program master unlimited rights reserved for the Concept and Unity Pro programming workshop read write variables program modification and configuration Enter the Modbus address the first value is compulsory the others are optional depending on routing levels NOE NOM _ This option can be used to increase dynamic performance when a Unity NWM PLC is accessed via an NOE Ethernet TCPIP or NOM Modb
47. connection of type http stationname Website OFS ws OPCXMLDa asmx to connect directly to the server of the OFS site 154 35008244 03 2009 The diagnostics screens of OPC Factory Server 1 1 OPC Factory Server Description The OPC Factory server screens are used to view e the server s communication status Server Status e the server s diagnostic window Windows Diagnostic e the information screen about the variables configured on the server Varman Window e the information screen about the server networks Network Window 35008244 03 2009 155 The OPC Factory Server OPC Factory Server Diagnostic Window General Edit Misc Windows Help Ae BE wa Diagnostic Window B E OFS OFC Factory Server V3 32 000 0 Trace starting OFS Productld None Flavor DEMO Product OFS Windows XP 501 2600 Service Pack 2 OFS Demo Version Running Time Limit set to 7200 second The Device Allias table contains 6 elements The Symbol File Extension table contains 9 ele ments 15 07 16 17 58 VM Changes of PLC mode FORBIDDEN 15 07 16 17 58 VM VM_Threadld is 0CO00350h for OFS V3 32 0000 no kee NOTE The characters XXXX correspond to your own version am Server Status Clients Connected Start Date Current Date Number of Groups Active Groups Number Of Items Active Items Syne Read Syne Write 0 45 Jul 2005 13 17 56 45 Jul 2005 16 20 02 0 Interface
48. device address Provide a Symbols table file name see page 100 optional Set the alias properties see page 105 which are related to how the server will behave towards the variables created on that alias Note A device should be associated with a single and unique alias If two aliases point to the same device and are used simultaneously the communication will malfunction The properties will be the same for both and set to the properties of the alias first used to create an item Using an alias and accessing the same device directly from the address will have similar results Additionnal information From the Edit menu you can copy paste or delete a device You can also use the contextual menu mouse right click for the same operations 114 35008244 03 2009 The OFS configuration tool Adjusting timeout item values Description The frame timeout shows the maximum length of time the Server will wait for an answer from a device after sending a request This can be defined according to the device in its properties page The frame timeout may be configured dynamically device by device using the specific see page 194 TimeOut item To avoids item quality flickering and over long OPC application startup time due to missing devices a device timeout feature has been introduced When active this option has two effects e if the device is physically missing then it will be considered missing for
49. directory containing the content for this FTP site Path C inefpubbwwwrooofOF S FTP Browse lt Back Next gt Cancel Click Next gt 8 Configure the next window as shown below Virtual Directory Creation Wizard x Access Permissions What access permissions do you want to set for this virtual directory Allow the following v Read v Write Click Next to complete the wizard lt Back Next gt Cancel Check both boxes in the wizard screen Click Next gt 9 Exit from the wizard ftp lt host gt ofs ftp is now published 76 35008244 03 2009 Workstation Configuration Security of the FTP Site Microsoft recommends that users access the FTP service using an anonymous account Anonymous users are represented in security as the IUSR_machinename account for WWW and FTP services The WWW and FTP services have different roles and security You can create a different anonymous account for the WWW service and the FTP service to more clearly differentiate them for security or auditing purposes The FTP Account Follow the instructions to create an IUSR_FTP user account and make it a member of the Administrator group Step Action 1 Right click on Default FTP Sites and select Properties 2 In the Properties of the Default FTP Site window select the Security Accounts tab Check Anonymous access Set User Name and Password in the Account used for Anonymous Access dialog box wit
50. displayed on several viewers will be deleted from all viewers once it has been acknowledged on one viewer An alarm is deleted from the buffer if e the alarm no longer exists e all viewers have read the alarm e the alarm has been acknowledged after an acknowledgment request 280 35008244 03 2009 The Diag Buffer Description of client sequencing Description of client sequencing The graph below shows how and in which order an OPC client uses the specific items of Unity Pro Diag Buffer gt Init ye Pan No End Yes Write Diag Required Session Logout 0 Yes Write DiagLogon No AreaMask aa No i ViewerlD ClientAction gt Read DiagReadNextErrorU R i ead DiagLogon Yes Yes P Read or write Diagxxxx v i HasFaultCause No a y Write DiagGetFaultCse DiagAlarm ErrorlD Read DiagGetFltCseResult NOTE Read the causes of an event directly before the next one It permits to read the causes in any case 35008244 03 2009 281 The Diag Buffer Life Cycle of a Diag buffer alarm in a PLC The graph below shows the life cycle of an alarm inside the Diag Buffer of Unity s PLC We can see that a client which does not acknowledge the alarm or which read very slowly the alarm can force the PLC to maintain the alarm inside the Diag Buffer with risk of overflowing until th
51. eee eee eee 248 PL7 Exported Application File 0 0 cee eee eee ee 249 CONCEPT exported symbol table file 0 0000 cee eee 250 MODSOFT exported symbol table file 0 00000 e eee eee 251 CSV symbol table file 0 0 2s 252 TAYLOR exported symbol table file 0 0 0 c eee eee eee 253 Browsing of symbolS 0 0 eee teens 254 Managing PL7 standard function blocks 2000 20000 256 18 3 Symbols and links 0 2 0 0 cet ae 257 Unity Pro LINKS ses cette age ennn hye dele ah tee Bree Sakon A bee Bun aE 258 Concept Link jit eke Ri Ae PIA ee A ae a 259 CONCEPT Remote link 0 0 0 0 cece eet eee 260 18 4 Symbols management through Direct PLC link 4 261 Direct resynchronization 0 0 0 cee tees 261 Chapter 19 The Diag Buffer 0 200 e eee eee eee eee 265 19 1 Description of the Diag Buffer 0 0 eee eee eee 266 Definition of the Diag Buffer 0 0 eee eee eee 266 19 2 Diag Buffer for Unity Pro 2 eee 268 Operation from an OPC client 0 00 c eee eee 269 Description of client sequencing 0 eee eee eee 281 Installation of the Diag buffer 0 0 eee eee 283 Diag buffer table formats 0 0 00 cee eee 287 Information retrieved by the Diag buffer at the top of the table 288 Specific information sent back by the Diag buffer in the table 291 19 3 Diag B ff
52. if during the connection the return code OFS_E_ DIAG_MMI_ALREADY_CONNECTED is transmitted it means that the clientHandle is already in use Another value must therefore be used In order to do this consult the window which can be accessed via the General gt NetManX WayWindow menu and extend the branch Devices lt gt Device lt gt DiagBuffer connections which gives the list of connected viewers handle MMI id Possible values for the clientHandle are between 0 and 2 2 0 to OxFFFFFFFE The value OxFFFFFFFF is reserved Example of the settings of the handle with the C test client supplied on the OPC Factory Server CD e create a short cut on the executable file OFSClient exe e inthe properties of the short cut add onto the end of the line Target C OFSClient exe h10 for example to fix a handle 10 for this OPC client All the examples on the following pages use the test client supplied on the CD For more information on the OPC client see the OFS Client see page 150 section 35008244 03 2009 283 The Diag Buffer Procedure for installing the diag buffer As a general rule you need to create two groups per OPC client and then observe the following sequence create an inactive group add the specific items DiagLogon DiagLogout DiagAckError DiagRead StatusU DiagResetError DiagGetFltCse DiagFltCseResult DiadRetriggError connect to the zone to be monitored use of DiagLogon c
53. in a macro step oXj i T R State of the IN step of a macro step Xj 1N R Activity time of the IN step of a macro step Xj IN T R Status of the OUT step of a macro step Xj OUT R Activity time of the OUT step of a macro step Xj OUT T R NOTE The macro steps are only available on PCX TSX 57 version 3 0 or above 220 35008244 03 2009 Variables Standard function blocks Definition See also PL7 see page 256 blocks for R W property modification PL7_3 timer Ti Object Syntax TSX 37 PCX TSX 57 Current value Ti V R R Preset Ti P R W R W Done Output Ti D R R Running Output Ti R R R IEC 61131 3 timer Tmi Object Syntax TSX 37 PCX TSX 57 Current value TMi V R R Preset TMi P R W R W Working Output TMi Q R R Monostable Mni Object Syntax TSX 37 PCX TSX 57 Current value MNi V R R Preset MNi P R W R W Running Output MNi R R R Up Down Counter Ci Object Syntax TSX 37 PCX TSX 57 Current value Ci V R R Preset Ci P R W R W Empty Output Ci E R R Done Output Ci D R R Full Output Ci F R R Register Ri Object Syntax TSX 37 PCX TSX 57 Input word Ri I R W R W Output word Ri O R R 35008244 03 2009 221 Variables Object Syntax TSX 37 PCX TSX 57 Full Output Ri F R R Empty Output RI E R R Drum Dri Object
54. included but if a symbol has changed address it will keep the old address For that first select the symbols table filename from among the filenames present in the Symbols Table window Next use the Symbols Table menu or the right mouse button The addition of a symbols file will be accounted for However if a filename is changed it will only be accounted for in the next OFS session 35008244 03 2009 145 The OFS manager tool Managing the debugging mode The OFS server has 3 debugging options which are the following e Verbose mode This is a full display mode messages are shown in the Server Diagnostics window e Symbol mode This is used to display additional information messages about the symbols table e Request This is used to display information about network requests generation in the Server Network window Managing log files The OFS server can save messages in two different log files one for the main Diagnostics window and one for the Network window With the OFS Manager when the server is running it is possible to open or close any one of these files To open or close the file select the file in question in the Log Files window and use the Log menu or the right mouse button Viewing information The information display is static by default no refreshing To refresh the view use the View gt Refresh menu To automatically refresh the view use the View gt Auto Refresh menu By default the s
55. mode enables the user to test the client OPC application without any PLC being present It provides a simple animation of all created variables and is identical to the actual Server The server can be started in simulator mode in two ways e by selecting the OFS Factory Server Simulator shortcut created during installation It launches OFS exe with the simu parameter e by checking the simulator mode option in the options folder of the configuration tool When the server is started in simulator mode no license code is required The animation of simulated variables can be set in the configuration tool under the Simulation folder NOTE e Asall the variables are simulated there is no link between an item which is actually related to a table of elements bits words and the items related to the individual components of this table e in simulation mode there is no way to determine the maximum supported frame length for a given device e lItis possible that when using the real device an item that was READ_WRITE in simulation mode becomes READ_ONLY in real mode e Concept Boolean variables that are located in State Ram in the register areas 3x or 4x are actually simulated as bytes and not as Boolean values 35008244 03 2009 159 The OFS simulator 160 35008244 03 2009 The OFS server WEB site 13 Aim of this Chapter The aim of this chapter is to provide an introduction to Web site of the OFS product
56. of a user group and is a method of filtering notifications of changes in the value of items it avoids waking up the client application when the variable changes within a dead range around the last value received Note The deadbanding mechanism does not reduce the flow of requests between the server and the PLC It is used to reduce the number of notifications sent by the server and thus processed by the client application this saves CPU time Note The deadbanding mechanism has no effect when the client requests a synchronous or asynchronous read or refresh 130 35008244 03 2009 The OFS configuration tool Description of the Deadband mechanism Description The OFS server uses deadbanding as specified by OPC standards In general deadbanding only concerns real variables MF called ANALOG variables by the OPC standard As an extension of this standard it is possible to use this feature for integer variables provided that the configuration steps described below have been followed NOTE The OFS server uses this OPC term to refer to floating point type PLC variables even though this term does not correspond to the idea of analog variables usually used in the control system field Deadbanding is based on the following notions e The analog type defined with min and max limits which represent the range of values interval of the variables being handled This notion has been introduced because the OFS server has no way to
57. one used to save the tables Double click in the table to show or hide the pane for editing variables To add a new variable fill in the Name field or select the variable in the browse section by expanding the OPC XML DA tree Then click OK 166 35008244 03 2009 The OFS server WEB site OFS Diagnostics Home Page Diagnostics Page This page displays the status of the OFS server Illustration The idea ce home page is the following Schneider OPC Factory Server 2 Electric Hon entation EIS Se Diagnostics MENcii Diagnostics OPC Factory Server Status Li Stop Animation a jy Interfaces 1M Clients connected 1 OPC V1 OPC V2 Total Connections 1 Start Date 2005 05 13T17 20 Notifications Seni 0 p Total Groups L S S Y Current Date 2005 05 13T17 21 Items Notiftied 0 0 Total Items 24 ____ Number of Groups T Async Request 0 0 PC Ticks 23543544 Active Groups 1 Async Read 0 0 Version pax Number o Items 1 Async Write 0 p Active Items 0 Async Refresh 0 0 Syne Read 14 Bad Qualities 0 W Syne Write 0 2000 2005 Schneider Electric All Rights Reserved Intemet NOTE The characters XXXX correspond to your own version NOTE you can stop or start the animation by clicking the Stop Animation or Start Animation button 35008244 03 200
58. renovable medium to the computer This computer s ID is 64764 Connect your target computer to the network and share the OFS folder This method transfers the rights to the targe computer lt Back Next gt Cancel 46 35008244 03 2009 Registration Step Action By choosing the Enter the received code option in step 2 a new window is displayed The window below prompts you to enter the authorization code Schneider Electric OFS Authorization Entering the received code Schneider S Electric Serial number Reference ID code 238760719 Computer ID 64764 Authorization code received Print lt Back Next Cancel Enter the code then click Next By clicking Print the displayed window is printed on the default printer 35008244 03 2009 47 Registration 48 35008244 03 2009 Workstation setup Aim of this section The aim of this section is to introduce you to the machine configuration What s in this Part This part contains the following chapters Chapter Chapter Name Page 6 Workstation Configuration 51 7 OFS as an NT service 83 35008244 03 2009 49 Workstation setup 50 35008244 03 2009 Workstation Configuration Aim of this Chapter The aim of this chapter is to introduce the workstation configuration for operation in remote intranet or Int
59. side of the window 10 Click Edit on the right side of the window Result the following window appears Anonymous user identity Specific user IUSR_SO_OFSVISTA Set Application peol identity OK Cancel Click Set and type the name of the low privilege anonymous account created by IIS Typically the format of the name is USR_WorkstationName Click OK 70 35008244 03 2009 Workstation Configuration Step Action 11 Click on the computer name in the tree Result the following window appears Connections mi EJ SO OFSVISTA Home 4 5 SO OFSVISTA 50 0 Group by Area ay 1 Application pools ye FTP Sites i 4 EA Web Sites l C gt f ny Default Web Si Ey ab aspnet cl NET NET NET Trust Application Connection Pages and OFS Compilation Globalization Level Settings Strings Controls p SMIP E mail Is x gt E a s a o Pm g RA Authentic Default Error Pages Handler ISAPI and ISAPI Filter Document Mappings F oal a Wed Lp Xd Server Worker Certificates Processes 12 In the features view select ISAPI and CGI Restrictions Result the following window appears Actions nd ISAPI and CGI Restrictions Group by No Grouping ha ature Setting Deseripti _ Restriction Path azarae Torren ASP NET v1 1 4322 Allowed C win cows Microsoft In the
60. the Configuration Tool 88 8 2 Configuration tool 91 8 3 The Alias folder 94 8 4 The Device overview folder 113 8 5 The Default devices folder 117 8 6 The Devices without Aliases folder 127 8 7 The Deadband folder 128 8 8 The Diagnostic folder 134 8 9 The Simulator folder 135 8 10 The Symbols folder 138 8 11 The PLC Software folder 139 8 12 The Communication folder 140 8 13 The Options folder 142 8 14 Configuration database management 143 8 15 Compatibility with Previous Versions of Configuration Tool 144 35008244 03 2009 87 The OFS configuration tool 8 1 Introducing the Configuration Tool Aim of this Section The aim of this section is to introduce you to the OFS server Configuration Tool What s in this Section This section contains the following topics Topic Page OFS Configuration Tool 89 Configuration Tool Execution 90 88 35008244 03 2009 The OFS configuration tool OFS Configuration Tool At a Glance OFS is an OPC data access server that may be used to read or write data on devices in general PLCs but not exclusively To do this the server must have the following information for each device e The network to use e The address of the device on the network e The symbols table file to use if the device variables are accessed using symbols Moreover the server supports a group of configuration parameters in order to best adapt the communication with the d
61. the PLC This operation can also be automatically done by checking the Auto saving on download option in the Project setting of UnityPro 2 Download PLC The binary application is downloaded into the CPU containing the data application with Data dictionary memory block Dictionary PLC Symbols import OFS can transfer the application symbols to save them Browse and Additem The OFS client can browse and add items for this PLC from OFS client 5 Variable access in run The symbol file being consistent with the PLC application and the addresses of time the PLC variable being correct the values of the variable can be acquired value Online modification sequence description Step Sequence Description 6 Online modification of Connected to the PLC with UnityPro software the user can modify the the PLC application with application online Data Dictionary 7 Inconsistency detection OFS server detects an inconsistency with the old symbol files if the modification affects the variable mapping 8 Bad Quality on variable The values of the variables are no more animated and the qualities are set to attribute Bad 9 Resynchronization In this case OFS server gets the new addresses from requests of the CPU according to the new accessing the data dictionary Data Dictionary 10 Quality Good and new The OFS client retrieves once again in real time all the values of the application variables in Good quali
62. the client machine 56 35008244 03 2009 Workstation Configuration Configuring Workgroup and Domain DCOM Access These additional rules can be applied if OFS is installed on a Workgroup system vs Domain or if installed on a Domain system OFS must be accessed by a Workgroup system through DCOM Step Action 1 From the Start menu choose Run and run secpol msc 2 Expand Security Settings Local Policies Security Options 3 Double click on the following Policy item DCOM Machine Access Restrictions in Security Descriptor Definition Language SDDL syntax Click on Edit Security button to open the Access Permission dialog Click on Add enter Everyone local account then click on OK In the Access Permission dialog check that permissions for everyone are e Local Access Allow checked e Remote Access Allow checked Click on OK to close the dialog box window Click on OK to close the Policy Settings dialog box Double click on the following Policy item DCOM Machine Launch Restrictions in Security Descriptor Definition Language SDDL syntax 10 Click on Edit Security button to open the Launch and Activation Permission dialog 11 Click on Add enter Everyone local account then click on OK 12 In the Launch and Activation Permission dialog check that permissions for Everyone are e Local Launch Allow checked e Remote Launch Allow chec
63. topics Topic Page Preparing to Install the OFS Product 34 OPC Data Access Station 37 OPC Data Access Remote Client 38 Installation of a NET Interface 39 Installation of an OPC XML Server 40 Web Client JVM checking 41 Driver Installation 42 35008244 03 2009 33 Product installation procedure Preparing to Install the OFS Product Basics NOTE In Windows Vista XP or 2000 it is necessary to have administrator rights NOTE Two versions of OFS 3 33 are offered e Sorsmall that is used to install the following options e OPC Data Access Station number of items limited to 1000 e OPC Data Access Remote Client e Net Interface e Lor large that is used to install the following options OPC Data Access Station no restriction on the number of items OPC Data Access Remote Client Net Interface OPC XML Server e Web Client JVM checking e The OPC Data Access Station install option is used when a machine supports the OFS server and or the OPC client s e The OPC Data Access Remote Client install option is used when a machine receives one or more OPC client s and remotely accesses the OFS server via DCOM e The Net Interface install option provides the necessary environment for the development and connection of OPC Net as well as a OPC Net test client e The OPC XML Server install option provides the Web services SOAP OPC XMLDA for the OPC function as well as the Schnei
64. written unitarily Please note however that the write of the structure in its entirety would give rise to a single request Writing non aligned fields when the members are not aligned on the 16 bit boundaries the writing of one of these members where this cannot be carried out with a single request is forbidden Illustration Aligned structure Non aligned structure bool bool bool real p a bool bool bool bool bool The real type member is considered as being stored on 3 addresses The write would require 2 access bytes and 1 access word When that is possible it is preferable to build structures while taking into account the alignment criteria Important the write of a complete structure including when the members inside are not aligned remains possible 35008244 03 2009 331 Performance Addressing of discrete I O modules for Premium and M340 devices General Read operation The addressing of discrete Input Output modules concerns the following devices TSX DEY TSX DSY TSX DMY TSX DEZ TSX DSZ TSX DMZ as well as devices of the TBX and Momentum families The Read operation and Write operation sections use a type of optimization known as module optimization Items addressing the same module are compacted for discrete Input Output modules For example for a discrete input module reading of the following objects generates a r
65. you have to register your version of OFS otherwise the server will stop at the end of the evaluation period You may perform the subscription when the installation ends or at any time during the evaluation period In DEMO mode all server functions are available but the product use may not exceed 3 days the server should then be stopped and restarted Performing an uninstall does not affect the parameter settings data stored in the registry In particular avoid spaces in file names 35008244 03 2009 37 Product installation procedure OPC Data Access Remote Client Description To perform the installation you have just to follow the on screen messages The installation offers the following options e OFS remote server registration and OPC proxy DLLs An update of your registry base and of some system files will be performed OPCproxy dll amp OPCcommon dll e OFS server test client The Test Client see page 150 OFSClient exe is used to access and test any kind of OPC server It is not specific to the OFS server e OFS Manager The OFS Manager see page 145 OFSManager exe is a utility application used to access debugging information from the OFS server either locally or remotely It is also used to request the server to execute certain actions on line create new alias reload symbol tables etc e OPC Automation interface 1 0 and 2 0 This option installs the files required to use the Automation Interface 1
66. z System word SWi R W System Double word SDi R W Memory objects variables and constants The table below shows the memory objects supported by OFS server Object Accepted TSX 37 TSX 37 TSX Series 7 TSX 1000 syntax PCX TSX 57 on PCX TSX 57 on X Way non X Way networks Internal bit Mi R W R W R W R W Bi MXi Word extracted bit MWn Xm R R R R Memorized internal bit Rxi R W S1000 specific Internal byte MBi R Internal word MWi R W R W R W R W Wi Internal double word MDi R W R W R W R W DWi Floating point 32 bits MFi R W R W R W R W FDi Constant word WKWi R R CWi Constant double word KDi R R CDi Constant floating point KFi R R 32 bits CFi 35008244 03 2009 217 Variables Object Accepted TSX 37 TSX 37 TSX Series 7 TSX 1000 syntax PCX TSX 57 on PCX TSX 57 on X Way non X Way networks Common word on NW j k R W network 0 j station no k word no Common word on other NW i j k R W networks i network no j station no k word no I O module objects The table below shows the I O objects supported by OFS server TSX 37 PCX TSX 57 on X Way Object Accepted syntax 1 0 object Extract bit Table Discrete input li j r R l p 2 c m j r Discrete output Qi j r R W Q p 2 c m j r
67. 0 and 2 0 of the OFS server To operate correctly the remote extension must have been the subject of a DCOM configuration see page 52 on both the remote extension and the server extension 38 35008244 03 2009 Product installation procedure Installation of a NET Interface Description Follow the messages on the screen to perform the installation The installation program offers the following options e OPC Net API SDK software development kit from the OPC foundation used to develop a Net Client or an OPC XMLDA Client under SOAP XML e NET Sample Client this is an OFS test utility client operating in a NET environment e Net framework verification the Net framework installation is proposed in version 1 1 if that version is not already supported by the machine This version is the one that was used when checking the correct operation of the Net station 35008244 03 2009 39 Product installation procedure Installation of an OPC XML Server Description This installation option is only available with the Large version of the OFS product If this has not already been done it is preferable to first install IIS on the machine using the operating system installation CD ROM Then follow the messages on the screen to perform the installation The first message is the verification of the IIS service e IIS verification if the IIS service is not installed on the machine the installation is su
68. 008244 03 2009 123 The OFS configuration tool 12 The value of the item should have been updated 13 You can verify the procedure using the server diagnostics interface Network window then read the counters in the transaction area Slave Request and Slave Answers The number of OPC items that can be created in the Push data range is unlimited single variables and tables but it is not possible to create variables that straddle the limits of the area In addition to its value each OPC item must include important attributes e Quality e Timestamp For the items included in the Push data range the Quality attribute is identical for all items and may be e Always defined as Good if the Quality Check Rate value defined in the device properties page is equal to 0 e Defined according to the communication status and the operation mode of the device if the Quality Check Rate value defined in the properties page of the device is defined as NN and not as 0 Every NN seconds the server will attempt to read the operating mode of the device e When the communication is interrupted the quality is defined as Bad e f the communication is established and if the operating mode is defined as RUN the quality is defined as Good e f the communication is established and if the operating mode is other than RUN generally this means STOP the quality is defined as Uncertain The Quality Check Rate option is onl
69. 03 2009 367 Index T Timeout Device 108 115 Frame 108 115 Values 115 U Unity Pro Link 101 Links 258 V Variables local 233 MODSOFT 230 CONCEPT 227 Tables 234 Variables PL7 Grafcet objects 220 X X Way 97 368 35008244 03 2009
70. 23 4 Recommendations 354 35008244 03 2009 349 Appendices 23 1 Compatibility of the OFS server OFS server compatibility Definition OFS is compatible with OPC 1 0A and 2 0 In particular the OFS server accepts the notion of a mono request mono PLC synchronous group Syntactically the name of a synchronous group starts with see The Different Groups of Items page 239 The OFS server is also compatible with the notion of a system group dedicated to a PLC address and driver pair The system groups refer to a given device and are used to manage specific items related to that device System groups are distinguished from user groups by their name which must include the prefix _SYS A system group only contains the following specific items starting with e PLCStatus for managing the PLC operating mode e TimeOut for managing a communication medium timeout e NbrRequest for ascertaining the number of requests sent to this device Specific items and system groups cannot be activated Notification and asynchronous read write are not possible 350 35008244 03 2009 Appendices 23 2 Detected Error codes Detected Error Codes Defined by OLE OPC and the OFS Server General For information on the code sent simply run the scoder exe utility then enter the code and click OK 35008244 03 2009 351 Appendices 23 3 Modbus and UNITE Request Codes used by OFS
71. 35008244 05 OPC Factory Server V3 53 User Manual 03 2009 Schneider www schneider electric com ES Electric Schneider Electric assumes no responsibility for any errors that may appear in this document If you have any suggestions for improvements or amendments or have found errors in this publication please notify us No part of this document may be reproduced in any form or by any means electronic or mechanical including photocopying without express written permission of Schneider Electric All pertinent state regional and local safety regulations must be observed when installing and using this product For reasons of safety and to help ensure compliance with documented system data only the manufacturer should perform repairs to components When devices are used for applications with technical safety requirements the relevant instructions must be followed Failure to use Schneider Electric software or approved software with our hardware products may result in injury harm or improper operating results Failure to observe this information can result in injury or equipment damage 2009 Schneider Electric All rights reserved 35008244 03 2009 Table of Contents Part Chapter 1 Part Il Chapter 2 Chapter 3 Chapter 4 Chapter 5 Safety Information 20000 cece eee eee About the BOOK lt 5 icd eae nea its wee eas Introduction to the OFS product Uses of the OFS product
72. 65 20 Communication 315 21 Performance 325 35008244 03 2009 179 Advanced User Guide 180 35008244 03 2009 Concepts 15 Aim of this Chapter The aim of this chapter is to describe certain important features of the product What s in this Chapter This chapter contains the following topics Topic Page Synchronous Services 182 Asynchronous Services 183 Notification service 184 Symbol consultation 185 35008244 03 2009 181 Concepts Synchronous Services Description these services are used for partial or complete reading and writing of a group of items the periodic scanning of variables read polling must be handled by the client application the term synchronous means that the client application which calls up these read or write services is blocked for the time it takes to obtain a result The instruction which follows a synchronous read or write call in the code of the client application will only be executed when all the communication requests corresponding to that call have been processed During a synchronous read operation the OFS server does not guarantee that all the variables in a group will be accessed in the same PLC scan if this group is transcribed on several communication requests The OFS server provides a mechanism for ascertaining the number of requests necessary to access the whole of a group of items for synchronous groups only NOTE T
73. 67 Step 10 with Configuring IIS e see page 78 with impersonation of ASP identity by default see page 78 with specific ASP impersonation see page 80 Built in Windows IIS Security Access with ASP impersonation then click on OK Click on OK to close the dialog box window Click Edit Limits in Launch and Activation Permissions 10 Click Add enter the user name of the authorized user then click OK 11 Click OK to close the dialog box window and Exit 35008244 03 2009 81 Workstation Configuration DCOM OFS settings should be set to Use Default to inherit from machine default settings DCOM OFS configuration see page 54 Configure an Identified OFS Access without Impersonation The following table shows how to configure an identified OFS access without impersonation Windows 2000 XP only Step Action 1 Start DCOMcnfg from the Start menu then choose Run 2 Under Windows 2000 choose the Distributed COM Configuration Properties Default properties or Under Windows XP choose the properties right click Console Root Component Services Computers My Computer right click My Computer and choose Properties in the Default Properties tab Set Default Authentication Level to Connect Set Default Impersonation Level to Identify or Impersonate Then click the Default COM Security tab Click on Modify in Access Permissions NIOJ A
74. 9 167 The OFS server WEB site 168 35008244 03 2009 User example 35008244 03 2009 169 User example 170 35008244 03 2009 Example of using OFS 14 Aim of this Chapter This chapter shows an example of using OFS with the OPC client supplied This section describes the procedure for reading and writing a word on a UNITY type PLC What s in this Chapter This chapter contains the following topics Topic Page Introduction to Server Installation 172 Example of an OFS application with a Unity Pro PLC on TCP IP 173 Executing OFS and using the OPC client 176 35008244 03 2009 171 Example of using OFS Introduction to Server Installation Introduction Before using the OFS server it must be installed see page 37 and configured see page 87 Once these two phases are complete the OFS server is ready for use NOTE When using ready to run supervisory software you may not be able to use all features listed in the following chapter see the documentation of the OPC interface of your supervisory software to verify that point e Configuration The OFS Configuration Tool is used to perform the following operations e Configuration of symbols tables e configuration of aliases and addresses e configuration of the device s options with its properties page e configuration of general server options e Operation The client must launch the server and initialize
75. A OPC XML DA client lets you connect to the OFS server via OPC DA or via HTTP OPC XML The test clients provided by OFS must not be used for critical functions A WARNING UNINTENDED EQUIPMENT OPERATION e Limit or restrict access to qualified personnel e Provide appropriate and independent protection via your application or process Failure to follow these instructions can result in death serious injury or equipment damage 35008244 03 2009 151 The OFS Test Client Connecting the Client to the OPC Server The following table shows how to connect the NET OPC DA OPC XML DA client to the OFS server via OPC DA Step Action 1 Launch the test client from Start Programs Schneider Electric OFS OFS test client Sample Net OPC XML client 2 When the NET OPC DA OPC XML DA client is started the following window appears OPC NET Sample Data Access Client ic File Server Output Help Se SPOR i ao Server lt Browse gt z Connect ID ltem tem Path Value Data Type Quality Timestamp Result 152 35008244 03 2009 The OFS Test Client Step Action 3 Click on lt Browse gt for the list the servers that may be reached The following window appears on top of the opening window E Select Server fc Data Access 2 XX x Alarms and Event 1X E Local Servers Batch 1 00 r s Local Network Batch 2 00 Data A
76. B instantiated name e Length of file name file name The first part gives the length of the file name then the file name e Length of the program address program address The first part gives the program address length then the program address which corresponds to a DFB execution anomaly Other specific data The diagram below describes the Variable Size Specific data section for classes between OFS_DIAG_CLASS_DIAGSYSTEM and OFS_DIAG_CLASS_SYST_BUFFERFULL see Definition of the contents of the table page 309 Specific data gives more information according to the class recorded Illustration Variable Size Specific data at the top of the table Variable Size specific data other data oo o Saves general information on the additional information provided Saves specific information according to the type of additional information provided 312 35008244 03 2009 The Diag Buffer Variable Size Specific data at the top of the table The diagram below gives the structure of Variable Size Specific data at the top of the table Additional information at the top of the table bytes Length of comment comment Length of instantiated name bytes instantiated name Type Size information e Length of comments comments The first part gives the length of the comments and then the diagnostics DFB message Size in bytes 1
77. Click on OK to close the dialog box window 15 Click Edit Limits in Access Permissions 16 In the Access Permission dialog check that permissions for ANONYMOUS LOGON are e Local Access Allow checked e Remote Access Allow checked 17 Click on OK to close the dialog box window 18 Click Edit Limits in Launch and Activation Permissions 19 In the Launch and Activation Permissions dialog check that permissions for Everyone are e Local Launch Allow checked e Remote Launch Allow checked Local Activation Allow checked e Remote Activation Allow checked 20 Click on OK to close the dialog box window 21 Click on OK in the My Computer Properties dialog to close it DCOM OFS configuration Step Action 1 From the Start menu choose Run and run DOOMCNFG 2 Expand Console Root Component Services Computers My Computer DCOM Config and right click on Schneider Aut OPC Factory Server to display the properties Click on the Location tab the option Run application on this computer should be selected Click on the Identity tab The option The interactive user should be selected Click on the General tab the authentication level should be set to Use Default Click on the Security tab e the Launch and activation Permissions should be set to Use Default the Access Permissions should be set to Use Default Close the Properties d
78. Comment Communication information Driver information Push Data Adjustment information 35008244 03 2009 105 The OFS configuration tool The table below describes the fields relative to the general settings Field Description Symbol table file Name and path of the symbols table file See dedicated section see page 100 It can be entered and changed here or directly from the grid The size of the character string is limited to 255 characters Database access Not available for the devices which can be programmed by X TEL ORPHEE and PL7 software workshops Allows you to set up the Concept or Unity Pro database in relation to the OFS server e either the server is on the same machine as the database Local e or the server is on a remote machine Remote server Preload settings Allows data to be pre loaded at server start up rather than when running e None by default e Symbols table pre loads the symbol table e Device loads the symbols table if one exists and creates a continuous connection to the device Dynamic consistency This option may be used with types PRJ Concept or STU Unity Pro or XVM Unity Pro symbol files This option is used to define the rule to apply in the case of a detection of an inconsistency see page 139 Consistency level Available if the symbols table is prj type Concept or stu type Unity Pro or xvm type
79. Configuration DCOM 52 Hardware and software 31 IIS with Windows 2000 XP 61 IIS with Windows Vista 65 Configuration Tool At a Glance 89 Execution 90 Consistency Debugging level 120 121 consistency read 240 Consistency Strict level 120 121 Write 241 Consistency level 106 D Data Dictionary 106 Database access 106 35008244 03 2009 365 Index Deadband Client application 133 Cyclic read service 184 Mechanism 131 Value 133 Default devices 118 Definition Group of items 191 detected error codes 351 Device Dynamic consistency 106 Device address Example 189 Diag buffer Definition 266 Header information 288 308 Installation 283 303 diag buffer management 300 Diag buffer OPC client 269 295 OPC client operation 300 Operation 266 Specific information 291 311 diag buffer table formats 287 307 Direct address parameters 98 Driver name 189 E Extracted bits 232 F File CONCEPT 250 CSV 252 MODSOFT 251 PL7 248 TAYLOR 253 PL7 249 Unity Pro 247 Folder Communication 140 Deadband 129 Options 142 Simulator 136 Symbols 138 1 0 Restrictions and warnings 337 Installation Net interface 39 Net Interface 34 Authorization 43 Drivers 42 Foreword 34 installation introduction 172 Installation OPC Data Access Remote Client 34 OPC Data Access Station 34 OPC XML Server 34 40 installation periodic read 243 Installation Web Cl
80. Enables to test the client OPC application without any PLC being present It provides a simple animation of all created variables and is identical to the actual server e OPC DA Server Manager OF SManager exe The OFS manager see page 145 is a utility application used to access debugging information from the OFS server either locally or remotely It is also used to request the server to execute certains actions on line create a new alias reload symbol tables etc e Error Encoder Tool see page 351 scoder exe Utility allowing you to decode the detected error code returned by OLE OPC and the OFS Server e OFS registration tool Allows you to register the server after its installation e OPC proxy DLLs Updates your registry base and some system files OPCproxy dll amp OPCcommon dll e OPC Automation interface 1 0 and 2 0 This option installs the files required to use the Automation Interface 1 0 and 2 0 of the OFS Server OPC DA Sample Client OF SClient exe The Sample Client see page 150 is used to access and test any kind of OPC server It is not specific to the OFS Server OFS Configuration tool Allows you to define the devices and their properties accessible through the OFS Server and the global settings of the OFS Server see page 87 OFS User Documentation Allows you to get access to the online documentation NOTE Once the server is installed you can use it in evaluation mode for 21 days During this period
81. I O Click on Add enter the ASPNET user name see see page 78 without ASP impersonation then click on OK Click on OK to close the dialog box window Click Edit Limits in Launch and Activation Permissions 10 Click Add enter the user name of the ASPNET user then click OK 11 Click OK to close the dialog box window and Exit DCOM OFS settings should be set to Use Default to inherit from machine default settings DCOM OFS configuration see page 54 82 35008244 03 2009 OFS as an NT service OFS as NT Service Description Procedure The NT service available only in Windows XP and 2000 It is used to automatically start OFS server each time the extension is launched and stop it automatically each time before the extension stops In this case the icon for the OFS server is not visible the server is operating in background mode It is always possible to start Windows and manually stop the server by using the Control Panel NOTE NT service is controlled by starting the service tool in Settings Control Panel Administrative Tools Services Windows XP amp 2000 or Settings Control Panel Services NT To use the NT service you need to make some modifications to the configuration of your machine e Configure your server alias time out etc preferably using the hidden option in the diagnostic folder e Check that the OFS server is not already in use and start the
82. IAG_WRONG_ERROR_ID Non authorized anomaly identifier OFS_E_DIAG_ERROR_NOT_USED No element corresponds to this identifier 278 35008244 03 2009 The Diag Buffer Description of client operation The diagram below shows how an OPC client operates using specific items O P Diagnostic 1 DiagLogon C Buffer A in c Device 1 xi 2 DiagReadNextErrorU Bj i e 3 DiagAckError n i 4 DiagGetFltCse 1 Diagnostic A i Buffer p E k o OFS 5 DiagFltCseResult P Device 2 C server p 6 DiagRetriggError C _ 7 DiagReadStatusU i DiagHesettrror t 2 Diagnostic 9 DiagLogout Buffer _ Device 3 With the OFS server several PLCs can be monitored at the same time it has a multi station function unlike the Unity which can only manage one PLC at a time To supervise several PLCs at once simply create other aliases in the configuration tool and add them to another group belonging to the same client minimum of 1 group per device to monitor 35008244 03 2009 279 The Diag Buffer Diag buffer Management Anomalies recorded in the diag buffer memory can have the following statuses e active or inactive e acknowledgment requested or acknowledgment not requested e if acknowledgment is requested acknowledged or not acknowledged NOTE Only anomalies from the diag buffer can be acknowledged An anomaly
83. INT UDINT VT_UI4 32 bits REAL Float VT_R4 Floating IEEE TIME UDINT VT_UI4 32 bits DATE UDINT VT_UI4 32 bits TIME_OF_DAY or TOD 1 UDINT VT_UI4 32 bits DATE_AND_TIME 1 DFLOAT VT_R8 Double IEEE STRING Array of byte Array of 2048 bytes VT_UI1 max BYTE BYTE VT_UH 8 bits WORD UINT VT_Ul2 16 bits DWORD UDINT VT_UI4 32 bits 1 Only by STU type symbol table 210 35008244 03 2009 Variables Direct addressing data instances At a Glance Access syntax Direct addressing data instances have a preset slot in the PLC memory or in an application specific module This slot is recognized by the user The syntax of a direct addressing data instance is defined by the symbol followed by a memory location prefix and in certain cases some additional information The memory location prefix can be M for internal variables K for constants S for system variables l for input variables Q for output variables M internal variables Access syntax Syntax format Example Program access rights Bit M lt i gt or 8 bits Ebool M1 R W MX lt i gt Word MW lt i gt 16 bits Int MW10 R wW Word extracted MW lt i gt lt j gt 1 bits Bool MW15 5 R W bit double word MD lt i gt 32 bits Dint MD8 R wW Real floating MF lt i gt 32 bits Real MF15 R wW point lt i gt represents the instance number NOTE The M lt i gt or MX lt i gt dat
84. If the value is greater the requests are placed in a queue These two parameters have a major effect on the communication performance of OFS NOTE To summarize on a half duplex protocol the maximum number of requests transmitted in parallel to a device is the smaller value between NbrMaxPendingReq and the number of channels actually open On a full duplex protocol only the value NbrMaxPendingReg is taken into account 324 35008244 03 2009 Performance 21 Aim of this Chapter This chapter aims to provide the user with details of the characteristics which can be used to improve server performance depending on the application and requirements What s in this Chapter This chapter contains the following sections Section Topic Page 21 1 Static characteristics 326 21 2 Dynamic Performance 339 35008244 03 2009 325 Performance 21 1 Static characteristics Aim of this Section The aim of this section is to describe the static characteristics of OFS and in particular the rules for generating and optimizing network requests The objective here is to minimize as much as possible the number of requests What s in this Section This section contains the following topics Topic Page Data Items in a Request 327 Use of groups 329 Optimizing requests 330 Writing Concept structure type variables 331 Addressing of discrete I O modules for Premium an
85. Increase the period of the group If this is not Notification certain items The message Error sufficient alter the timeout values of the alias For request too old appears in the Modbus increase the number of channels diagnostics window of the server allocated for communication Server Access via Modbus to more than 1000 Make sure that the option T is indicated at the end of the device address Server Activating items The activation of a significant number of items is not possible if they were created in the active group This is due to overloading of the PC The following advice may help to resolve it e create the items in an inactive group then activate the group e check that Verbose server mode is not selected in order to keep traces to a minimum increase the power of the PC Server In Modbus the values of the items The base address to be indicated in the alias Push Data defined in the Push Data zone are not properties should only contain the offset of the updated address Therefore to indicate a base address in Modbus corresponding to 402000 for example simply indicate 2000 as the value in the Base address field Symbol The symbols from a Concept V2 5 file Make sure the VAR file is present in the Concept cannot be accessed project space This VAR file is generated by the Concept workshop refer to the product documentation and absolutely must exist in order for OFS to be able to ac
86. L Constant word KWi L R R CWi L Constant double KDi L R R word CDi L Constant floating KFi L R R point 32 bits CFi L Common wordon NW j k L R W R W network 0 j station no k word no Common wordon NW i j k L R W R W other networks i network no j station no k word no Character string MBi L R W R W CHi L MBi L are R W only if the address and length are even If not they are read only The size must be between 2 and the maximum size permitted by ORPHEE NOTE Access to common words via table syntax is an extension as far as PL7 language is concerned NOTE Limit For a TSX 17 PLC OFS cannot read bits whilst bits are being written Also in this same PLC range it is possible to read up to 16 words using OFS 224 35008244 03 2009 Variables Grafcet object tables The table below shows the Grafcet object tables supported by OFS server Element type Syntax TSX 37 PCX TSX 57 Step state Xi L R R Activity time of a step Xi T L R R Status of step in a macro step Xj i L R Activity time of a step in a macro step Xj i T L R Status of the IN step of a macro step Xj IN L R Activity time of the IN step of a macro step XJ IN T L R Status of the OUT step of a macro step Xj OUT L R Activity time of the OUT step of a macro step Xj OUT T L R NOTE Beyond the steps status access to other Grafcet
87. Microsoft dcomcnfg tool This tool s executable file is Winnt system32 Dcomcnfg exe e Using this tool Select the Schneider Aut OPC Factory Server application e Select Properties e Select Identity e Check This User and enter the name and password of a local Administrator User e Click on OK e Click on OK e Close Dcomcnfg e Run the OFSService bat batch file which can be found in the directory which contains the server s executable file 35008244 03 2009 83 OFS as an NT service e Start the Services tool OF service should appear in the list e select OFservice e The default value is Manual You can then start OFservice and OFS simply by using Start The same applies for stopping it using Stop It can be started automatically using Startup set to automatic Close the Services tool e Reboot your machine and OFS should run Use the Windows NT Task manager to verify Before rebooting you can test that everything is OK by starting OF service manually NOTE The NT service cannot operate on a server in evaluation mode client not yet registered or in DEMO mode NOTE If you are not logged on to the OFS server you can connect but you can not run it Uninstalling Services To uninstall the OFS product while OF service is running proceed as follows Step Action 1 Stop OF service 2 To cancel OF service registration on the NTservice run the OFSNoService bat ba
88. Modbus and UNITE request codes used by OFS Description This is a list of all the request codes used by the OFS server If your device does not support a request code this feature will not be available If you do not use the feature the request code WILL NOT BE generated For Modbus devices even if the request code is supported the maximum length may not be Modbus request codes used by OPC Factory Server Request Function name Max OFS features using the request code length code used 0x01 Read Coil Status 2000 Read of Ox items 0x02 Read Input Status 2000 Reading 1x items 0x03 Read Holding Registers 125 Read of 4x items and device detection with 0 reg 0x04 Read Input Registers 125 Read of Ox items 0x05 Force Single Coil Write of a single Ox item OxOF Force Multiple Coil 800 Write of several Ox items 0x10 16 Preset Multiple 100 Write of any number of 4x items Registers 0x11 Report Slave ID Read of device operating mode 0x16 Mask Write 4X registers Write of a byte item located in the 4x area 0x2A IEC Runtime FC Access to unlocated Concept variables read write Ox5A Internal Unity request Access to Unity PLC Ox7E Modsoft FC Starting Stopping the device 352 35008244 03 2009 Appendices UNITE request codes used by OPC Factory Server Request Function name OFS features using the request code code OxOF Identif
89. NO the previous configuration parameters are lost 144 35008244 03 2009 The OFS manager tool The OFS Manager Description The OFS Manager is a tool for troubleshooting and adjustment that works ONLY with OPC Factory Server locally or remotely or the OFS simulator It is not recommended for use for other purposes for instance during operation All troubleshooting functions of the OFS Manager are available from the debugging interface of the server These functions are particularly useful for troubleshooting or when the OFS operates without its debugging interface The OFS Manager adjustment functions are only accessible using the OFS Manager Most of the modifications are memorized and are final However some changes debugging mode are valid only for the current server instance By closing and opening the server the changes made are lost Connection to the server Server gt Connect menu Managing aliases Select an alias and then use the Alias menu or the right mouse button e Changing an alias Used to change the network address or the symbols table filename e Deleting an alias Used to remove an alias from the list Symbols table It is possible to ask the server to close a symbols table file that is already open and to reopen it No change will be made to the already existing items On the other hand the list of symbols will be updated e g for the OFS navigation interface Only the new symbols shall be
90. NextError item still says bad specific items of the Diag Buffer is already in use or the client has connected to the server without specifying their handle Remote station Installation not possible displaying the message Automatic save error One or several files are not saved automatically OPCAutoSA2 dll SAProxy dll The DCOM component is necessary Install it from the Redist DCOM folder then restart the PC Then resume the installation of the remote station OPC server or client Modifying a group s period takes a lot of CPU time if the group contains a large number of items The Network windows window which shows all the requests generated should be closed since the quantity of traces displayed penalizes the operation As a general rule before you modify the period of a group it is recommended that you first deactivate the group then reactivate it when the operation is complete Server Communication The server no longer responds when lots of items are simulated Spurious messages appear in the Diagnostics window Adjust the probability of notifications from the simulator to reduce the number of notifications sent to the OPC client Increasing the power of the PC can raise the limit can t open project appears Server In the Windows Task Manager you notice If the server is in Diagnostics mode a large quantity Display an increase in the amount of memory of displayed mes
91. OFS server does not carry out preliminary checking to make sure that the object has the adjustable property This means that if the Function Block does not have this property the OFS server returns the generic detected error code 256 35008244 03 2009 Symbols 18 3 Symbols and links Overview This section describes the various links What s in this Section This section contains the following topics Topic Page Unity Pro Links 258 Concept Link 259 CONCEPT Remote link 260 35008244 03 2009 257 Symbols Unity Pro Links Introduction Description In case of Unity PLCs the symbol consistency is managed by e The variable access protocol e An internal mechanism of OFS The variable access protocol to Unity PLCs is based on an address in the PLC memory The PLC responses only to the requests which are consistent with the PLC application If after a modification of the PLC application the variable mapping changes OFS will still be able to communicate with this PLC after a resynchronization This mechanism doesn t detect the modifications of the PLC application without affecting the variable mapping OFS uses also another mechanism based on periodic polling of the PLC application stamps in order to check the consistency between the PLC application and the symbols This mechanism is enabled when the Dynamic consistency checking option is checked allowing to detect any ap
92. OFS_DIAGU_CLASS_SFC_SNS_SYNC 0x02 Simultaneous synchronization error OFS_DIAGU_CLASS_FB_GEN_FB 0x40 Generic DFB OFS_DIAGU_CLASS_FB_STD_EFB 0x64 Standard diagnostic EFB OFS_DIAGU_CLASS_FB_USR_EFB 0x65 User diagnostic EFB OFS_DIAGU_CLASS_FB_STD_DFB 0x66 Standard diagnostic DFB OFS_DIAGU_CLASS_FB_USR_DFB 0x67 User diagnostic DFB OFS_DIAGU_CLASS_FB_EXT 0x68 Extended EF EFB DFB OFS_DIAGU_CLASS_FB_IO 0x69 IO detected errors reported OFS_DIAGU_CLASS_GEN_SYS 0x80 System generic detected error OFS_DIAGU_CLASS_SYS_CMN 0x85 Common system IO detected error OFS_DIAGU_CLASS_SYS_LIO 0x86 Local IO detected error not used OFS_DIAGU_CLASS_SYS_RIO 0x87 Remote IO detected error not used OFS_DIAGU_CLASS_SYS_CPU 0x88 CPU detected error OFS_DIAGU_CLASS_SYS_IO 0x89 I O detected error OFS_DIAGU_CLASS_SYS_ARITH 0x94 Arithmetic detected error OFS_DIAGU_CLASS_SYS_TSK 0x95 Task detected error OFS_DIAGU_CLASS_SYS_DGB_FULL 0x96 Diagnostic buffer full OFS_DIAGU_CLASS_SYS_FFB OxA8 Extended detected error e Length of status one byte size of status if available e Type coded on 4 bytes copy of the status or activity time for SFC anomalies e Time stamp at the beginning of the alarm coded on 4 bytes PLC time and date when the alarm was triggered e Time stamp at the end of the alarm coded on 4 bytes PLC time and date when the alarm disappeared e Time stamp at the acknwoledgement of the alarm coded on 4 bytes PLC time and date when the alarm ackn
93. ONNECTED OPC client not connected OFS_E_DIAG_WRONG_ERROR_ID Non authorized anomaly identifier OFS_E_DIAG_ERROR_NOT_USED No element corresponds to this identifier DiagReadStatus specific item Type Access Can be activated Limitation VT_UI4 R W no This item lets you to know the evolution of the status of a DFB anomaly without having to wait to be notified of a change in the 120 bytes error table see page 307 Value to write e the value on 4 bytes corresponding to the Status Handle zone starting by a read of the highest ranking byte E g the value returned in the Status Handle zone of the DiagReadNextError item table is such that Var 8 98h Var 9 01h Var 10 76h Var 11 25h The value to write in the DiagReadStatus item is 25760198h or 628490648d Value returned after read e the values of status 0 status1 taking into account the value of the words from right to left E g the value returned is 0010001Dh statusO value is 001Dh status1 value is 0010h 299 The Diag Buffer Description of client operation The diagram below shows how an OPC client operates using specific items o P 3 z x 1 DiagLogon G Diagnostic Buffer q c vice o R z cas 2 DiagHeadNextError m i e a 3 DiagAckError n el t Diagnostic pe Buffer Device 2 a 4 DiagLogout 1 lt i O
94. OTE On a Premium the date time may be easily be inserted using the RRTC function NOTE Some sample PLC applications are provided on the CD In order to allow creation of the Push data range and the reception of the associated data prior to creating an item configure the device in the device properties page so that it is preloaded when the server is started All OPC write operations are performed directly on the device The Push data area is not affected at all All OPC read operations of the device are performed directly unless for a cache read the Push data area is simultaneously updated For X Way devices only variables MW and MD may be associated with the Push data area The others MB MF are managed as though the area was not defined 35008244 03 2009 125 The OFS configuration tool For Concept type devices the Push data area is always located in 4x Only variables of type INT DINT or FLOAT may be created there NOTE e f you use the Push function on a Premium via TCPIP in direct addressing mode and the XIP driver is also enabled make sure the IP of the Premium is not declared in the XIP driver the same TCP IP port 502 is shared e Only one Push data area may be created per device However if the device is accessible by several network addresses it is then possible to define one area per address e The Push Data function is not supported for I O objects It is however possible to send them to
95. Preload settings No Preload Symboltable Device Option Simulated Read Only Using Data Dictionary Comment My comment Communication information E Driver information E Push Data Service support 7 Available Initial value Zero Read from device Push Data area Base address Size 0 Stamp option Quality check rate s 0 Adjustment information Max channels 1 Max Pending 0 Device timeout ms 5000 Frame timeout ms 1000 Once you have entered all the parameters select Save configuration in the file menu The alias creation phase is now complete You can quit the OFS configuration tool selecting Exit file menu 35008244 03 2009 175 Example of using OFS Executing OFS and using the OPC client General The following steps show how to start up the OFS server with an OPC client using the aliases previously created NOTE When you make a change in the OFS configuration tool you must re start the server for the modifications to be taken into account Step 1 Starting the server and using the OPC client The OFS server is launched automatically when an OPC client is started OPC clients are started from the menu Start then Programs Schneider Electric OFS OFS Test Clients and OPC Client The following window appears Server
96. Server product Hardware and Software Configuration Description of the Configuration The OFS product requires a PC Wintel platform Intel x86 monoprocessor with one of the following Microsoft Windows 32 bit operating systems e Windows Vista e Windows XP professional e Windows 2000 professional upgraded with Service Pack 1 or later To determine which version of Windows and which service pack is installed on your PC proceed as follows e Windows 2000 amp XP professional Open Parameters Configuration Panel System The system version is displayed under the general folder and must be at least version 5 00 2195 Service Pack 1 for Windows 2000 Your PC needs to meet the following hardware requirements to run the OFS software Microsoft 2000 amp XP Microsoft Vista Frequency RAM Frequency RAM Minimum configuration 566 MHz 128 MB 1 2 GHz 512 MB Nominal configuration 850 MHz 256 MB 3 GHz 1 GB NOTE In Unity environment it s better to use the configuration recommended by Unity Pro Minimum resolution 1024x768 pixels Recommended resolution 1280x1024 pixels 35008244 03 2009 31 Hardware and software configuration of the OPC Factory Server product 32 35008244 03 2009 Product installation procedure Aim of this Chapter The aim of this section is to guide users as they use the product What s in this Chapter This chapter contains the following
97. Syntax TSX 37 PCX TSX 57 Full Output DRi F R R Number of current step DRi S R R Activity time DRI V R R 222 35008244 03 2009 Variables Table objects Definition Reminders The size of the tables is unlimited excepting system and memory bit tables which are limited to 450 elements System object tables The table below shows the system object tables supported by OFS server Element type Syntax TSX 37 TSX 37 PCX TSX TSX Series 7 TSX 1000 PCX TSX 57 57 on non X Way on X Way networks System bit Si L R A System word SWi L R W 2 System Double word SDi L R W NOTE Access to system objects via table syntax is an extension as far as PL7 language is concerned The system objects defined in the Micro and PCX Premium ranges are not all consecutive This can limit access via table syntax in certain cases 35008244 03 2009 223 Variables Memory object tables The table below shows the memory object tables supported by OFS server Element type Accepted syntax TSX 37 TSX 37 PCX TSX TSX Series 7 TSX S1000 PCX TSX 57 on 57 on non X Way X Way networks Internal bit Mi L R W R W R R Bi L W if module W if module Mxi L length is 8 length is 8 Internal word MWi L R W R W R W R W Wi L Double word MDi L R W R W R W R W DWi L Floating point 32 MFi L R W R W R W R W bits FDi
98. This operation will overwrite the working database which is probably corrupted Then try to restart the program If you have not backed up Uninstall the configuration tool then reinstall it The compatibility window will be displayed during the first start up of the configuration tool Select YES to start the recovery procedure Configuration tool Installation After upgrading from version 2 0 to the current version the parameters set with the v2 0 configuration tool no longer appear It is likely that this is due to the fact that no alias has been declared the only case in which recovery is not possible Configuration tool Backup copy After the aliases have been backed up the back up file cannot be located If you have backed up via the network neighborhood it is essential that a directory name be given If not the file will be backed up in the configuration tool s default directory or in the directory containing the configuration tool start up short cut Configuration tool Startup Alias recovery does not work Check in the properties of the short cut used to run the configuration tool that the quotation marks in the chain of ofsconf exe characters are not double quotation marks 354 35008244 03 2009 Appendices Component Anomaly Remedy Configuration tool On line help On line help does not work On line help requires at least Internet Explorer v3 02
99. UFFER_FULL Diag buffer is full OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected OFS_E_DIAG_WRONG_ERROR_ID Non authorized anomaly identifier OFS_E_DIAG_ERROR_NOT_USED No element corresponds to this identifier 35008244 03 2009 273 The Diag Buffer DiagReadStatusuU specific item Type Access Can be activated Limitation VT_UI1 VT_ARRAY R W no This item lets you to know the evolution of the status of a FB anomaly without having to wait to be notified of a change in the bytes table see page 287 Value to write e value on 8 bytes corresponding to the status address and length E g the value returned in the Length of Status zone fourth byte from zero of the table and the field Status Address from FB specific data Var 8 98h Var 9 01h Var 10 76h Var 11 25h The value to write in the DiagReadStatus item is 25760198h or 628490648d Content Size Comment Copy of Status Address field 6 bytes Memory address for PLC Size of Status 2 bytes Byte length of status byte 0x00 Value returned after read e the dump of memory from specified address with the specified length DiagReset Error specific item Type Access Can be activated Limitation VT_Ul2 WwW no This item allows alarm suppression on PLC buffer After deletion PLC s DiagBuffer will update the alarm state so u
100. _DIAGSYSTEM 0x85 system detected error Task Arithm OFS_DIAG_CLASS_SYT_LOCALIO 0x86 LOCAL IO detected error OFS_DIAG_CLASS_SYT_REMOTIO 0x87 REMOTE IO detected error OFS_DIAG_CLASS_SYT_BUFFERFULL 0x88 Diag Buffer full 35008244 03 2009 309 The Diag Buffer e Type coded on 4 bytes this is the type of anomaly which is retrieved by the diag buffer Diag DFB status value coding on 2 bytes for length of status 2 4 bytes for length of status 4 Grafcet system detected anomaly It occurs when the execution time exceeds the expected time For more information see PL7 documentation on DFBs Status handle coded on 4 bytes this value must be used during a DiagRead Status write Time stamp at the beginning of the alarm coded on 4 bytes time and date when the alarm was triggered Time stamp at the end of the alarm coded on 4 bytes time and date when the alarm disappeared Time stamp format Field Comment Bits Value no of bits Sec seconds 0 5 0 59 6 Min minutes 6 11 0 59 6 Hour hours 12 16 0 23 5 Day days 17 21 1 31 5 Mon month January 1 22 25 1 12 4 Year current year 1997 2001 4 26 31 0 63 6 e Status alarm the instantaneous status of the current alarm 7 2 1 0 Aad Acknowledgment requested ene Statu bit 0 Status 0 disappeared 1 active bit 1 Acknowledgment 0 ack
101. a detect edges and manage forcing 35008244 03 2009 211 Variables Memory organization MWO MW MW2 MW3 MW4 MWS5 MO ma MDO MFO MD2 MF2 MD4 YoMF4 MDI MFI MD3 JOMF3 NOTE Modification of MW lt i gt entails modifications to the corresponding MD lt i gt and MF lt i gt K constants Access syntax Syntax format Program access rights Word constant KW lt i gt 16 bits Int R Double word constant KD lt i gt 32 bits Dint R Real floating point KF lt i gt 32 bits Real R constant lt i gt represents the instance number NOTE The memory organization is identical to that of internal variables It should be noted that these variables are not available on Quantum PLCs 212 35008244 03 2009 Variables l constants Access syntax Syntax format Program access rights Bit constant l lt i gt 8 bits Ebool R Word constant IW lt i gt 16 bits Int R lt i gt represents the instance number NOTE These data are only available on Quantum and Momentum PLCs S system variables I O variables Access syntax Syntax format Program access rights Bit S lt i gt or SX lt i gt 8 bits Ebool R W or R Word SW lt i gt 32 bits Int R W or R Double word SD lt i gt 32 bits Dint R W or R lt i gt represents the instance
102. a time equal to the Device Timeout e when the communication is interrupted an observation period of a duration equal to the device timeout is engaged After this period and if the communication stays inoperational the device is declared missing and all of its active items are affected the quality of the elements is set to BAD This timeout can be defined device by device in the properties page If the value in the device property page is set to 0 then the device timeout takes the default value 5000 ms This feature is incompatible with synchronous groups If the multi channel see page 324 feature is enabled the frame timeout value is the same for all channels open with a given device 35008244 03 2009 115 The OFS configuration tool Adjusting Communication Timeout with a device Description Various parameters can be used to set this important communication parameter They can be global or device see page 105 specific parameters They can also be static configured using the Configuration Tool or dynamic configured using a write specific see page 194 item see page 115 and method 116 35008244 03 2009 The OFS configuration tool 8 5 The Default devices folder Aim of this Section The aim of this section is to describe template management What s in this Section This section contains the following topics Topic Page The Default devices folder 118 Dynamic Consistency and Cons
103. agLogon v Write DiagReadStatus Diag AlarmAddrStatus Yes Read DiagReadStatus UserAction gt OR Write DiagAckError DiagAlarmErrorID No Vv Read DiagReadNextError ViewerlD 35008244 03 2009 301 The Diag Buffer Life cycle of a Diag buffer alarm in a PLC The graph below shows the life cycle of an alarm inside the Diag Buffer of PL7 PLC We can see that a client which does not acknowledge the alarm or which read very slowly the alarm can force the PLC to maintain the alarm inside the Diag Buffer with risk of overflowing until the alarm is read by each connected client and aknowledged if necessary We can also see that an alarm is no longer available if its state is inactive and it has been read So we can no more call DiagReadStatus on this alarm for example ACK action Or ACK not required Active amp Acknowledged Inactived Register NEW anomaly De register anomaly RECORD unused INACTIVE en ae ee ae RESET action All connected viewers have read an inactive and acknowledged anomaly 4 hA REMOVE in lt DELETED Diag Buffer All connected viewers have read the deleted anomaly state 302 35008244 03 2009 The Diag Buffer Installation of the Diag buffer General Before starting up an OPC client it is advisable to create aliases for each of the PLCs to be monitored In order to make the installation o
104. alias the link with the XVM file uses the Unity Pro exported symbols table Application Consistency The dynamic coherency check see page 119 defines the procedure to follow if there is any variation between the application of the PLC and that of Unity Pro NOTE When a project modification is transferred to the PLC the consistency of XVM exported symbols with the Unity Pro file will only be accounted for after the file is manually exported by the user The export operation may be automated by checking the XVM file option in the menu Tools Options gt General gt Automatic Backup During Transfer to PLC from Unity Pro V2 0 2 35008244 03 2009 247 Symbols PL7 Exported Symbols Table File Procedure To create such a file using the PL7 software proceed as follows Open the application with PL7 Open the application browser Open the data editor Open any window in this editor e g Memory Objects e Use the File gt Export menu to create the file The exported file authorizes the consistency check application name and version between the symbols table file and the application in the PLC see Setting the alias properties page 105 and The PLC Software folder page 139 For XWAY drivers Dynamic consistency cannot be configured the option is always disabled In strict level the consistency is checked with the application name and the version In Debug level no checking is performed and the qualitie
105. an anonymous IIS access without impersonation 78 35008244 03 2009 Workstation Configuration These three possibilities are described below Anonymous IIS access with default ASP impersonation this configuration is installed by default It requires that the OFS server be installed on the same machine as the Web service e IIS Configuration check anonymous access uncheck Integrated Windows Authentication Set User Name and Password in the Account used for Anonymous Access dialog box with the User Name and Password setting IUSR_machinename e Web config lt authentification mode none gt lt identity impersonate true gt In this case ASP NET impersonates the token it is provided by IIS which is the anonymous user Internet account IUSR_machinename Anonymous IIS access with specific ASP impersonation the advantage of this configuration is to provide the application with the same rights as userName e IIS Configuration check anonymous access uncheck Integrated Windows Authentication e Web config lt authentification mode none gt lt identity impersonate true userName domain user password password gt User password authenticates an intranet user the password appears unencrypted In this case ASP NET performs a query using the client s credits as a parameter in Web config Anonymous IIS access without ASP impersonation this configuration requires that OFS be installed on the same ma
106. annel Management of the fallback forcing state of a discrete output module e When an output channel of a discrete module is in a fallback state OFS detects this and sets the quality for the related item to Uncertain e when an output channel is in a forced state no specific operation is performed as the value displayed corresponds to the current forcing value NOTE Write operations cannot be taken into account as long as the channels concerned remain in a fallback state When a Premium is in Stop mode after a download has been performed the discrete output channels are not in a fallback state and the Q are assigned the quality Good In contrast when a Micro is in Stop mode after a download has been performed the discrete output channels are not in a fallback state but the Q are assigned the quality Uncertain Management of the fallback forcing state of an analog output module e OFS does not have the capacity to detect that an ANA module output channel has a fallback or forced status An item s quality in relation to an analog module s output channel is always therefore Uncertain As a result detection of these states must be performed by the PLC application NOTE Write operations cannot be taken into account as long as the channels concerned remain in a fallback state Access to I Os on gate 7 e X Way addressing mode cannot be used with gate 7 see page 319 to access I O objects 35008244 03 2009 337 Pe
107. arameter only has an influence on the machine time for PC on which OFS is installed and not on network bandwidth OFS manages communication with devices according to the group update rate It is therefore advisable to create groups of variables according to the update rates required by the client so OFS can optimize access to devices You should however be careful not to create groups that are too small as this will generate a large number of requests 340 35008244 03 2009 Developer Guide VII 35008244 03 2009 341 Developer Guide 342 35008244 03 2009 Advice 22 Aim of this Chapter The aim of this chapter is to provide developers tips on how to use the OFS product What s in this Chapter This chapter contains the following topics Topic Page Programming 344 Recommendations 345 35008244 03 2009 343 Advice Programming Description The main phases of application client programming using either VB and Automation Interface 2 0 or C and Custom Interface are as follows creation of a connection with the OFS server in local or offset mode OPC AUTOMATION Connect OPC CUSTOM CoCreatelnstance Querylinterface for OPCServer Get GroupCollection creation of one or more GROUPS OPC AUTOMATION GroupCollection Add Get ItemsCollection OPC CUSTOM lOPCServer AddGroup QueryInterface for OPCltemMgt creation of ITEMS in an exis
108. atically adjusts the size of requests to the maximum that is admissible OFS uses different communication protocols according to the devices being accessed List of protocols used with the algorithms in use access to PL7 devices on X Way UNITE V2 protocol e compacting in all cases e concatenation for reading access to PL7 and ORPHEE devices on non X Way networks Modbus protocol e compacting in all cases e concatenation not possible access to XTEL and ORPHEE devices on X Way UNITE V1 protocol e compacting in all cases e concatenation not possible access to CONCEPT devices Modbus protocol e compacting in all cases The types of basic data are fewer and the possibilities for compacting are therefore greater than for UNITE protocol e concatenation possible only for unlocated data of CONCEPT 2 5 devices and later access to UNITY devices e compacting in all cases e concatenation in all cases 330 35008244 03 2009 Performance Writing Concept structure type variables Description Concept gives you the opportunity to build data structures made up of members of different types Unitary writing of bits it is important to note that when the fields of bit or byte type are declared in the structure they are not compacted In fact each of these fields is the object of a write request Example a structure made up of 2 bits and three consecutive words would give rise to 3 requests if the fields are
109. ation threshold for the AnalogType is 0 2 0 10 deadbanding 2 usual variation range This means that only those variables in the group whose value varies by a difference of more than 0 2 in absolute value will be notified to the client application 132 35008244 03 2009 The OFS configuration tool Installation of the Deadband in a client application Description e declaration of analog types use of the Configuration tool Note AnalogType is the name given to the analog type by the user NOTE 1 A maximum of 100 analog types may be defined 2 The limits for an analog type cannot be modified by the user once the server has started This is due to the fact that when it is started the OFS server learns the analog types defined in the registry The OFS server must be stopped and then restarted for an alteration of the limits of an analog type to be taken into account e Defining the value of the Deadband The dead banding Percentage associated with a user group can be set when the group is created AddGroup primitive or dynamically adjusted during the server session PercentDeadBand property e attaching an item to an analog type The general syntax of an item see page 189 has an optional parameter which states the analog type to which it belongs and so informs the OFS server of its notification threshold The syntax of an item with analog type is as follows lt item gt lt driver name gt lt API addres
110. authorize the consistency check application name and version between the symbols table and the application in the PLC see Setting the alias properties page 105 and The PLC Software folder page 139 With Excel 97 use commas as separators NOTE Maximum lengths are 50 characters for the address 33 characters for symbols and 510 characters for comments 252 35008244 03 2009 Symbols TAYLOR exported symbol table file Description To create the symbols file using the Taylor workshop open the application with the Taylor ProWORX 32 tool select the project ProOWORX 32 then right click on the mouse select Export Documentation select the file type ProWORX PLUS Symbol FIS file click on the Save button This exported file does not authorize the consistency check application name and version between the symbols table file and the application in the PLC see Setting the alias properties page 105 and The PLC Software folder page 139 35008244 03 2009 253 Symbols Browsing of symbols At a Glance Symbols browsing is supported by the OPC Browse interface It has a multi level hierarchy Anode for each device declared in the registry Alias Path Symbols table whether it is actually connected or not For each node e asub directory named Specific for all specific items that can be created for this device e asub directory for each structured variable or array Concept or Unity Pro proje
111. available on PL7 dedicated Premium PLCs What s in this Section This section contains the following topics Topic Page Operation from an OPC client 295 Description of client sequencing 301 Installation of the Diag buffer 303 Diag buffer table formats 307 Information retrieved by the Diag buffer at the top of the table 308 Specific information sent back by the Diag buffer in the table 311 294 35008244 03 2009 The Diag Buffer Operation from an OPC client Reminder about the Diag Buffer Description of the client interface The Diag buffer see page 266 is a feature which detects anomalies on monitored elements and transmits messages to the visualization system known as the viewer These messages are stored in the PLC s buffer memory NOTE The implementation of the diagnostics DFBs in the PLC is necessary for Diag Buffer functioning Diag Buffer functions authorize access to PLCs using specific items The table below shows the specific items Service Item Type Access Value read Value to write Open DiagLogon VT_UI2 READ WRITE Viewer or OxFFFF zone number connection identifier Close DiagLogout VT_Ul2 READ WRITE Viewer or OxFFFF not important connection identifier Read next DiagReadNextError VT_Ul1 VT_ARRA READ Error detected error Y Error DiagAckError VT_Ul2 WRITE Detected error ID acknowledgm number ent see Information re
112. below is displayed when the SAOFS exe file is run Schneider Electric OFS Authorization Welcome to the OFS 3 32 authorization program This wizard will guide you through the registation process You will need the serial number from the certificate of authenticity which comes with the OFS Software package Click Next to continue Click Next a new window is displayed with 3 choices e the PC s authorization to know the various ways to make an authorization request e the transfer of the authorization to or from a computer storage device e the entry of the code after receiving it The window below displays the 3 options Schneider Electric OFS Authorization Selecting a task Schneider wv Electric Select the task you want to perform and then click Next ee this option if you are running this registration program for the first ime Transfer the authorization Choose this option if you want to transfer the product authorization to from another machine Enter the received code Choose this option if you previously registered by Fax or e mail and now you want to enter the received code Click Next 44 35008244 03 2009 Registration Step Action By choosing the Authorize this PC option in step 2 a new window is displayed This window offers 5 ways to request the authorization Schneider Electric OFS Authorization Selecting the authorization method S
113. between the OFS server and the devices The limiting element is the entrance of communication modules on to PLCs e fora group containing a large number of items several thousands the creation of items or the modification of the group properties update rate for example is made much quicker by deactivating the group beforehand and then reactivating it when the operation is complete This point is particularly important when using synchronous groups and as for each item created the destination of the new item is checked with respect to the first item created in the group e when using a large number of items several thousands divide them up into several groups to adapt the update rate and therefore be able to desynchronize them In order to avoid communication peaks with devices e when developing an application it is preferable to use the Additems method which is more powerful than the simple AddItem method 35008244 03 2009 345 Advice 346 35008244 03 2009 Appendices VIII 35008244 03 2009 347 Appendices 348 35008244 03 2009 Appendices 23 Aim of this Chapter The aim of this chapter is to introduce the appendices for this book What s in this Chapter This chapter contains the following sections Section Topic Page 23 1 Compatibility of the OFS server 350 23 2 Detected Error codes 351 23 3 Modbus and UNITE Request Codes used by OFS 352
114. ble to use the item quality to display something only its value can be used The solution is to create an item which has a value directly linked to the quality of another item When the communication works well the quality value is always 192 QUALITY_Good On the contrary the quality value is 24 or 28 QUALITY_Bad reason 192 35008244 03 2009 Items Using OFS client create a group and an item When you have done this reopen the browse interface reselect the same symbol and click on the Properties button Select ID 3 Item Quality then double click on OK The value of the new item is the quality of the previous item 35008244 03 2009 193 Items Specific Items Description A specific item is an OPC item which is not related to any PLC variable but is a way to view modify some internal parameters internal to the OPC server or internal to the PLC These items can be used with the test client given with the product thus avoiding any modifications to your OPC application that may not be reusable with any another OPC server see page 150 a specific item has a path like any other item the definition of a specific item always starts with a character specific item can be created in any group except synchronous groups certain specific items can have an active status in an active group Thus the server can automatically detect changes e specific items can be read written within any subset of th
115. bus Serial adapter 1 or 2 or 3 or 4 US03 MODBUS04 Pciway01 Pciway02 0 6 PClway adapter 01 or 02 USB USB USBX 0 254 0 USB with X Way address UFP01 UFP02 0 31 0 Fipway USB adapter 01 or 02 The variable definition part can either be a variable address see the Syntax column in the other tables in this chapter or a symbol see page 104 Modbus Plus users planning to use Concept and OFS simultaneously or the multi channel feature should use DM mode Otherwise you may not be able either to connect to the PLC with Concept or download your application 35008244 03 2009 189 Items For variables that support this feature the table length enables the user to create items that are actually tables and gives the number of elements making up this table The suffix part can be R R means read only and is a way of creating an item that will always be considered as read only NOTE The driver name device address device type and variable definition parameters are mandatory The table length and suffix parameters are optional Examples UNTLW01 0 254 0 S MW3 MODBUS01 12 Q 400003 FIPO1 0 31 0 U MW5 MBPLUS01 DM 5 Q 400005 XIP01 0 5 T MW100 MBT 1 2 3 4 U MW100 TSX1 MW100 QTM1 400100 TSX2 toto QTM2 toto The device address field for MBT and MBTG uses the xx suffix to designate the index of the Modbus node connected to the TCP IP gateway For example 139 160 218 103 50 NOTE To define an item t
116. but immediately defines its quality attribute as Bad to show it can no longer be read or written It is possible to obtain automatic updates using the Concept programming tool and the DCC feature A table item or an unlocated structure has read only access if the entire size of the table or of the structure exceeds 200 bytes When an item represents an entire structure it is considered a table Suffix S is used to read and write a variable in the form of a byte table OCP type VT_UI1 table 228 35008244 03 2009 Variables Relationship between Concept variables and IEC 61131 At a Glance It is possible to access certain Concept variables using IEC 61131 syntax This does not concern located variables IEC 61131 to Concept Mi Ox MWi 4x MFi 4x access to 2 registers MDi 4x access to 2 registers Tables are also accepted Example The variable Toto located on register 400023 can also be accessed with MW23 UINT MF23 Real or MD23 UDINT For MF23 and MD23 registers 23 and 24 are actually read The syntax Toto 5 or MW23 5 represents an array of five registers starting with Toto 400023 35008244 03 2009 229 Variables 17 5 Modsoft variables on OFS Modsoft variables Definition The Modsoft supported syntax is limited to long addresses only 6 digits Example 400001 The following syntax ARE NOT supported not to be confused with table synta
117. by OFS according the device accessed However as OFS does not know everything about the system environment it is sometimes necessary to adjust it to use different values You may wish to reduce it to allow other interfaces programming workshop diagnostics tools another device to communicate more easily with the device You make also wish to reduce it if the route used to access the device may be subject to bottlenecks E g Access via XIP then UNITELWAY It is not advisable to increase this value However in some cases on TCP IP or XIP networks doing so may make it possible to process larger volumes of data 35008244 03 2009 339 Performance Frame timeout Sampling speed Group update rate This parameter specifies the maximum tolerated time period for obtaining a response to a request from a device It is advisable to set it at a reasonably high value because e ifitis too low false timeouts the response arrives after the specified period has elapsed may have a negative effect on performance e if itis too high feedback times may be too long and missing devices may be detected too late The user must therefore find the compromise best suited to his requirements The lower the value the better the response times you obtain for synchronous access will be If an unsuitable period is configured one which is too short relative to actual requirements this may have a negative effect on performance However this p
118. cated to the caller by means of the value that it returns e anomalies that can be returned are the following e E_xxx standard detected errors defined by OLE and Win 32 e OPC_E_ xxx improperly operating specific to OPC e OFS_E xxx improperly operating specific to the OFS server e in addition to the action described above some of the exposed primitives contain a pErrors parameter in their call interface output parameter This pErrors parameter is defined for the primitives that can manage several items during the same call e g Addltems e pErrors allows you e to log a report for each item an element in the pErrors table e to indicate an anomaly to the caller through a channel other than that for triggering the exceptions Typically when S_FALSE is returned there is no triggering of exceptions as the result from the primitive is of type success with a warning In order to know on which item the event occurred the pErrors parameter must be consulted For example the pErrors parameter allows notification for the Addltems primitive that some of the items mentioned have an invalid syntax e description of the validity of an item e primitives with synchronous and cyclic read contain the parameter pQualities which describes the validity of the items concerned They give a Quality attribute for each item 202 35008244 03 2009 Items For these primitives this parameter comes in addition to the pErrors paramete
119. ccess 1 0a Data Access 3 00 Data eXchange 1 00 Historical Data Access 1 XX Specification OK Cancel 4 When the NET OPC DA OPC XML DA client is started the following window appears m OPC NET Sample Data Access Client 2 demol MW10 i File Server Output Help 6H gAn EO Server opcda Imy_pc Schneider Aut OFS zj ID ltem tem Path Value Data Type Quality Timestamp Result True Boolean good 2005 08 03 09 10 38 984 S_OK 20 nti6 good 2005 08 02 09 17 09 484 S_OK OPC Factory Server C Schneider Automation he server 1s running normally 03 08 2005 09 1358 35008244 03 2009 153 The OFS Test Client Connecting the Client to the Site Server The following window is the result of a connection to the OFS server It allows you to access certain items via OPC XML DA OPC NET Sample Data Access Client File Server Output Help SE 0 Server xn a D ltem tem Path Value Data Type Quality _Timestamp Result my_po OF S ws OPCxmida 5 e toto z2 demolto True Boolean good 2005 08 03 09 10 38 984 S_OK demo to1 demo to2 True Boolean good 2005 08 03 09 10 38 984 S_OK demo to2 B demol MW10 20 Inti good 2 09 17 09 484 S_OK demo l MW10 OPC Factory Server C Schneider Automation The server is running normally 03 08 2005 09 10 21 In this case choose a
120. cess the symbols 358 35008244 03 2009 Glossary Address Alias ASP Client application CLR A Builder name for a PLC variable For example MW1 An alias is a shortcut that may be used when a network address for the device is necessary single replacement string The use of an alias is also a very practical way to disconnect your OPC application from network addresses of devices that may be modified when necessary Active Server Page allows a Web site builder to dynamically create web pages It supports the code written in compiled languages such as byVisual Basic C C etc C Software using the primitives provided by a server application via mechanisms interfaces implemented by OLE Common Language Runtime is part of the Net framework It is the program that controls execution of programs written in all supported languages allowing them to understand each other It also controls the security aspect 35008244 03 2009 359 Glossary CLS COM DCOM FIP FTP GAC Handle HTML Common Language Specification allows the user to optimize and ensure the interoperability of languages by defining all functions that developers may use in numerous languages Component Object Model foundations of the OLE 2 0 standard D Distributed COM COM model distributed over a TCP IP network F Factory Instrumentation Protocol File Transfer Protocol is the standard internet pro
121. chine as the Web Service if the DCOM Identification Security parameter is set e IIS Configuration check anonymous access uncheck Integrated Windows Authentication e Web config lt authentification mode none gt lt identity impersonate false gt In this case no authentication or impersonation is performed ASP NET performs a query using the credits of the local ASP account 35008244 03 2009 79 Workstation Configuration Built in Windows IIS Security Access with ASP Impersonation The integrated Windows authentication uses a cryptographic exchange with the user s Internet Explorer browser in order to confirm the user s identity Advantages e the best method for Windows based intranets e can be used in combination with Kerberos network identification protocol so you can delegate security credits Disadvantages e cannot authenticate across a firewall via a proxy unless you use a PPTP connection does not support delegation to other servers if NTLM is chosen is supported only by Internet Explorer 2 0 or later Kerberos is only supported by IIS 5 0 or later IIS Configuration check Integrated Windows Authentication e Web config lt authentification mode Windows gt lt identity impersonate true gt In this case ASP NET uses Windows authentication in combination with Microsoft IIS authentication When the IIS authentication is performed ASP NET uses the authenticated identity in or
122. communication The user can then create groups create items execute synchronous read execute synchronous write activate group notification e activate group At the same time the server automatically sends notification of value changes 172 35008244 03 2009 Example of using OFS Example of an OFS application with a Unity Pro PLC on TCP IP General In this example you will see how to use OFS to read and write a word in a Unity Pro PLC Quantum or Premium using TCP IP You need to completely install OFS client server Step 1 launching the OFS configuration tool The following steps show how to create and configure an alias The alias will be used by OFS to read and write a word e Launching the OFS configuration tool e click Start then Programs Schneider Electric OFS and run OFS Configuration Tool The following screen shows the main window of the OFS configuration tool OFS Configuration Tool File Edit View Settings Help Hie daeh ED Step 2 creating an alias In this step we are going to create and configure an alias e inthe file menu select New Device Alias Result A new alias is created e Enter the new Device Alias name 35008244 03 2009 173 Example of using OFS Step 3 selecting the driver To access the driver s configuration screen click on the cell in the column lt driver gt lt Device address gt The following screen shows the main window f
123. created by a programming workshop Concept Modsoft PL7 Unity Pro or with an external tool such as a Text Editor CSV format For devices in the S7 range access to symbols is only possible by firstly converting corresponding applications to Premium applications Supported symbol file formats are the following PL7 exported symbol table file default extension SCY PL7 exported application file default extension FEF Concept exported symbol table file default extension CCN Concept project file default extension PRJ Unity Pro located exported symbol table file default extension XSY Unity Pro exported symbol table file default extension XVM Unity Pro project file default extension STU Modsoft exported symbol table file default extension TXT CSV exported symbol table file default extension CSV Taylor exported symbol table file default extension FIS For each format only symbols that are associated with enough information for accessing variables are loaded and can be used see below for details Symbol address correspondence can also use a Concept see page 102 or Unity Pro see page 101 project file Several devices or groups can share the same symbol table file The link between the symbol file and a group of items is established either e bycreating a link between a device and a symbol table The Configuration tool is used for this e Creating an extension for the format you intend to use e g txt
124. creen is refreshed every 1 second This frequency may be modified with the View gt Options menu If the Status window is selected the OFS Manager displays general information contents identical to that of the Status window of the debugging interface If the Protocols window is selected and then a protocol OFS NET MANAGER the OFS Manager displays the statistical information relating to the chosen protocol This information is exactly the same as that appearing in the Network windows of the server debugging interface For each device connected to the server certain debugging information may be viewed Select the equipment below its protocol in the left hand side of the OFS Manager The information displayed is the same as that appearing for each device with the server debugging interface Reloading function For each device associated with a Concept or Unity Pro project the symbols table may be manually reloaded using the Device gt Reload and Update menu The menu is activated by selecting the device in the list of equipment 146 35008244 03 2009 The OFS manager tool View detected errors and diagnostics messages As long as you are connected to the OFS server all detected error messages are displayed in the Errors text area If you are interested in all messages including the warning and information messages you may enable the Diagnostics text area from the View gt Debug Messages menu Saving information
125. ct file only which in turn has a sub directory if the structure contains arrays or sub structures e the complete list of application symbols declared in the symbols table file see page 100 associated with the device see page 100 or nothing no symbol if no symbols table has been declared for the device Devices which are connected but which have not been configured in the alias table can not be browsed Filtering possibilities exist to allow the user to select by type for example to ask for all Boolean variables by name wildcard accepted by rights of access by located or unlocated character Concept or Unity Pro project file only by structured or non structured character The associated address and comments can also be obtained with each symbol amp A filter for the address and amp C for the comments or both amp A amp C It is also possible to filter the variables using criteria based on their addresses Summary of the filter syntax BNF syntax lt Symbol filter gt lt Address filter gt amp A amp C amp E amp S lt Filter on Customstring attribute gt lt Symbol filter gt any symbol string including the wildcard lt Address filter gt any address string including the wildcard amp A requests the display of the address amp C requests the display of the comments amp E only displays simple elements and not structures or arrays for Concept project only amp S only d
126. ctivated alarm can be found Each byte represents a specific piece of information OFSClient OFSDoc2 GRP2 OPC 2 0 Ba IG File View Server Group lem Test Tools Window Help a led D cab GX lt S 9 ed he OE Diag tDiagReadNextErrorU Field Value F Access Path F Aive TRUE F Update ST 30 10 2003 09h28min16S F Cuality Good 192 F Canonical Uns Char F Type Uns Char F Access Rights Read Only F EU Type None vo 6 V1 0 V2 4 V3 6 V4 67 v5 0 v6 0 V7 0 v8 0 v9 0 v10 81 Vi 22 v12 189 v13 26 V14 82 v15 22 V16 189 V17 26 v18 0 v19 0 Ready LM Schneider Aut OFS Example of translation the bytes 2 and 3 represent the identifier of the anomaly To acknowledge it the client will write the value 0x0604 decimal value is 1540 in DiagAckErr 286 35008244 03 2009 The Diag Buffer Diag buffer table formats Description The 550 byte table see page 283 alarm reset after a read on DiagReadNex tError is structured in the following way Illustration of the structure of the bytes table o General information stored after recording an Anomaly recorded D anomaly The length of at the top of the table this first part is fixed at 26 25
127. d proxy server On the OFS machine when specifying a Concept project open the device properties page to check the appropriate remote Concept option the proxy server is either an OFS server or an OFS simulator and give the complete access path of the Concept machine The path of the Concept project must be the same as that seen by the proxy server on the Concept machine it must begin with the letter of a drive followed by the complete path 35008244 03 2009 103 The OFS configuration tool Support of symbols Description This function enables you to replace the address of any variable by its name in the PLC application e g use of Symbol rather than the topological address MW1 or instead of State RAM location 400001 It amounts to a string substitution and has no effect on Read Write operations The supported symbol see page 244 table formats are PL7 symbol table file or exported project file Concept exported symbol table file Concept project file direct link with Concept database Modsoft exported symbol table file CSV symbol table file Excel exported format Taylor exported symbol table file identical to Excel format Unity Pro exported symbol table file Unity Pro project file direct link with Unity Pro NOTE For old ranges XTEL files must be converted to PL7 format in order to use symbols on the series 7 using the PL7 3 converter function of the PL7 PRO The series 1000 does n
128. d M340 devices 332 Addressing of analog I O modules for Premium and M340 devices 334 Restrictions and advice for Input Output objects on PL7 devices 337 326 35008244 03 2009 Performance Data Items in a Request Maximum size of requests The following tables specify the maximum size of data in bytes in a single request These sizes are useful as any data items accessed in the same request are from the same PLC cycle and so are consistent in size This size can be used to calculate the number of items of the same type which can be read or written in the same PLC communication request given that a word takes up two bytes a double word 4 bytes and a floating point 4 bytes For bits you should count eight bits per byte except when reading with PL7 PLCs over an XWAY network where each byte can only contain 4 bits Example for PL7 PLC on XIP 248 MB or 62 MD or 124 MW or 992 M can be read in one request and 244 MB or 61 MD or 122 MW or 1960 M can be written in one request Unity Pro devices The tables below gives the size in bytes of data items a single request for Unity Pro devices Communication medium Read Write XIP 249 235 XIP Built in channel 256 242 TCP IP Built in channel 1022 1008 Pciway 224 210 USB 1022 1008 USB X Way USBX 1020 1006 Fipway 123 109 Uni Telway 241 227 Ethway 249 235 Modbus Plus 250 236 Modbus RTU 249 235 35008244 03 2009 327 Perfor
129. data e SFC specific data e FB specific data e System specific data Specific data for SFC Length of comment bytes comment Length of step name bytes step name Length of transition name bytes transition name Transition number Reference time in ms Size in byte 1 variable 1 variable 1 variable The diagram below describes the Variable Size Specific data section for SFC 35008244 03 2009 291 The Diag Buffer Definition of the contents of the table FB Specific data Length of comments comments The first part gives the length of the comments and then the comment itself Length of the step name step name The first part gives the length of the name and then the step name Length of transition name transition name The first part gives the length of the name and then the transition name Transition number Internal ID of the transition Reference time in millisecond configured time for this transition The diagram below describes the Variable Size Specific data section for Function Block Specific data for FB Size in byte Length of comment bytes 1 variable comment Length of instance name bytes i 1 variable instance name Length of FB type name bytes FB type name 1 variable Length of Faulty PIN name bytes Faulty PIN name 1 variable Status adress 6 Extra data 292
130. ddition of this symbol to a Danger or Warning safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A DANGER DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a potentially hazardous situation which if not avoided can result in death or serious injury This is the safety alert symbol It is used to alert you to potential 35008244 03 2009 9 A CAUTION CAUTION indicates a potentially hazardous situation which if not avoided can result in minor or moderate injury CAUTION CAUTION used without the safety alert symbol indicates a potentially hazardous situation which if not avoided can result in equipment damage PLEASE NOTE Electrical equipment should be installed operated serviced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material 10 35008244 03 2009 About the Book A At a Glance Document Scope This manual describes the software installation of the OFS product Validity Note The update of this documentation takes the latest version of OFS into account User Comments We welc
131. der Electric Web site used for diagnostics and access to OFS server data e The Web Client JVM checking option checks for the compatibility level of the JVM to ensure that the OFS Web site is accessible on the machine via the Internet using the OPC XML standard NOTE The OPC Data Access Remote Client Net Interface OPC XML Server and Web Client JVM Installation options may be installed as many times as necessary on as many different machines No product registration is required NOTE If you get this kind of message when installing OFS 3 33 on a Windows Vista computer click Continue 34 35008244 03 2009 Product installation procedure User account Control OG Windows need your permission to continue User account control stops unauthorized changes to your computer If you started this action please continue ii Details Launching the Installation To install the OFS product you have to follow the procedure described below Microsoft Management Console Microsoft Windows Component Publisher Step Action 1 Put the CD in the drive The installation automatically starts Just follow the on screen messages 2 In the Customer Information window enter the part number and the serial number provided on the CD box or enter DEMO in part number field to obtain an evaluation version of the product Result The product install selection screen appears OPC Factory Server InstallShield Wizard IXI
132. der than version 3 33 you must first run the version 3 33 Configuration Tool and apply the settings before launching the OFS server NOTE On Windows XP an OFS configuration change requires administrators rights 90 35008244 03 2009 The OFS configuration tool 8 2 Configuration tool Introducing the configuration tool Presentation Tiles display mode When the configuration tool is opened one or more aliases are created and the associated properties are set The client application can create variables on the devices associated with these aliases In most cases the Alias definition is sufficient As with Windows explorer you can view the list of configured devices in four modes e the tiles display mode e the icons display mode e the list display mode e the details display mode The tiles mode displays as follows Tan sns v Details i PLC_SIMU PLC_Orphee Device PL7_Ethway Concept_Device 35008244 03 2009 91 The OFS configuration tool Icons display mode The icons mode displays as follows mon nas v a Tiles C_SIMU E FE List vice_PL7_Ethway AB Details ncept_Device 2s My_XTEL_Device Concept_PRJ Q Modbus Gateway S Modbus device Q XWAY Gateway Device Gateway List display mode The list mode displays as follows Ee al Tiles C_SIMU Concept PRJ EE Icons C_Orphee Modbus Gateway
133. der to authorize access 80 35008244 03 2009 Workstation Configuration COM DCOM Configuration Overview By default a Web service has very limited rights and is unable to launch a COM server The OPC XML DA Web service acts as an OPC DA client and uses COM to access the assigned OPC DA server The following configurations can be set up in combination with the Web Service security settings NOTE You are strongly advised to restart the machine after configuring the DCOM security settings Two configurations are available e an identified OFS access with impersonation e an identified OFS access without impersonation Configure an Identified OFS Access with Impersonation The following table shows how to configure an identified OFS access with impersonation Step Action 1 Start DCOMcnfg from the Start menu then choose Run 2 Under Windows 2000 choose the Distributed COM Configuration Properties Default properties or Under Windows XP Vista to choose the properties right click Console Root Component Services Computers My Computer right click My Computer and choose Properties in the Default Properties tab Set Default Authentication Level to Connect Set Default Impersonation Level to Identify or Impersonate Then click the Default COM Security tab Click Edit Limits in Access Permissions NIOJ AIO Click on Add enter the user name of the authorized user see page
134. dually for each item of a group So the OnDataChange primitive receives the list of the group s items having changed value from one of the read polling function s iterations to another Stopping a group s periodic read utility is carried out in 2 phases e deactivation of the group ActiveStatus property set to FALSE e stopping the group s subscription to notification service NOTE For user groups it is possible to activate deactivate the group s item at any time For synchronous groups name starting with or all items are still regarded as active in other words no partial activation deactivation is possible 35008244 03 2009 243 Symbols 18 2 Symbol management Aim of this Section The aim of this section is to describe symbol management What s in this Section This section contains the following topics Topic Page Introduction to symbol management 245 Unity Pro exported symbols file 247 PL7 Exported Symbols Table File 248 PL7 Exported Application File 249 CONCEPT exported symbol table file 250 MODSOFT exported symbol table file 251 CSV symbol table file 252 TAYLOR exported symbol table file 253 Browsing of symbols 254 Managing PL7 standard function blocks 256 244 35008244 03 2009 Symbols Introduction to symbol management Introduction OFS server establishes symbol address correspondence using a symbol file This symbol file may have been
135. e PLC The browse operation of OFS still performs through the UnityPro project files STU or UnityPro variable export file XVM When an inconsistency is detected OFS resynchronizes the addresses of the variable from requests accessing the Data Dictionary In case of incomplete resynchronization OFS retrieves the addresses of the variable from UnityPro through STU or XVM files as the previous OFS behavior To enable a complete mechanism the user has to check the Data Dictionary option in the UnityPro project setting and the Using Data Dictionary option in the OFS configuration tool for the corresponding device The illustration below shows a resynchronization mechanism 35008244 03 2009 261 Symbols Download PLC application With Data Dictionary Modification on line PLC application With Data Dictionary I O Save application project b XVM T b STU J 3 PLC Symbols import Option I Using Data Dictionary pt Variable access in run time pets Inconsistency detection Sa G Bad Quality Resynchronization via Data Dictionary Quality Good and new value 262 35008244 03 2009 Symbols Standard Start up sequence description Step Sequence Description 1 Save application project After the build of the UnityPro application it is saved as project file or exported as symbol file in order to be consistent with the binary application downloaded in
136. e alarm is read by each connected client and aknowledged if necessary We can also see that an alarm is no longer available if its state is inactive and it has been read So we can no more call DiagReadStatus or DiagGetFltCse on this alarm for example ACK action Or ACK not required Active amp Acknowledged Inactived Register NEW anomaly De register anomaly eee INACTIVE All connected viewers have read an inactive and acknowledged anomaly RECORD unused Pe Dot ee A RESET action v lt DELETED All connected viewers have read the deleted anomaly state REMOVE in Diag Buffer 282 35008244 03 2009 The Diag Buffer Installation of the Diag buffer General Before starting up an OPC client it is advisable to create aliases for each of the PLCs to be monitored In order to make the installation of the diag buffer easier With these aliases it will be easier to declare PLC addresses during the creation of an OPC client When an OPC client wishes to use the diag buffer it must define a handle and use this handle only once in the creation of a group To do this at each call of the OPCServer AddGroup method the hClientGroup parameter 4th parameter must contain a unique value This value corresponds to the client s clientHandle As this value must also be unique amongst all the OPC clients using the diag buffer the following procedure must be considered e
137. e configuration database the configuration database is modified by a third party program when the configuration tool is running In this case when the configuration tool first attempts to modify the configuration database user clicks OK for example a warning message is displayed indicating that the configuration tool is going to switch to Read only The configuration tool will then no longer be able to modify the configuration database In both cases in order to be able to modify the configuration database using the configuration tool you must close the latter and relaunch it until the configuration database becomes unprotected 35008244 03 2009 143 The OFS configuration tool 8 15 Compatibility with Previous Versions of Configuration Tool Compatibility with the Previous Version of the Configuration Tool Description If an older version of the configuration tool has previously been installed it will be detected automatically and the configuration parameters will be restored The first time the Configuration tool is executed a dialog box will appear inviting you to restore these configuration parameters Illustration Configuration changed Configuration Data has been changed by another application To load these changes click yes to discard these changes and load the last known configuration Click No Yes No If you answer e YES the previous configuration parameters are restored e
138. e following topics Topic Page Support of extracted bits 232 Local variables 233 Managing Variable Tables 234 35008244 03 2009 231 Variables Support of extracted bits At a Glance Generally speaking the reading of extracted bits is supported for any variable of simple integer data type including Concept unlocated variables The syntax is lt Variable definition gt Xn or lt variable definition gt n for XTEL or lt variable definition gt n for Unity Pro The bits are numbered from 0 to 7 for 8 bits integers from O to 15 for 16 bits integers and from 0 to 31 for 32 bits integers Element types access Element type Accepted syntax Concept PL7 Unity Pro Orphee or Xtel Extracted byte bit MBi Xj R see Direct Word extracted bit MWi Xj R R W addressing data R Wi j instances 211 Double word extracted bit MDi xXj R R page R DWi Xj System word extracted bit SWi Xj R Constant extracted bit KWi Xj R R series 7 only Symbol extracted bit single Symbol Xj R R R series 7 only or double word Structure field extracted bit Structrmember Xj R Examples Unity Pro PL7 CONCEPT XTEL ORPHEE MODSOFT see Direct MB100 X6 pump X5 W100 3 MW100 X3 300500 X11 addressing data MW100 X3 struct1 member DW200 25 MD200 X25 400100 X12 instances MD200 X25 X8 CW100 0 page 211 SWE X7 tab1 1000 X4 Pump 4
139. e for PL7 objects For a variable with the address MW10 and symbol MYARRAY A table of 20 elements starting with this variable may be referenced in the following two equivalent ways e MW10 20 e MYARRAY 20 NOTE This is the only syntax to allow the referencing of a table as a symbol for PL7 objects as the tables cannot be symbolized in PL7 language The Concept and Unity Pro languages accept symbolic references to a table This syntax can always be used with Concept and Modsoft variables e There are no limits to the size of the tables However they must not exceed the zones configured through the workshop e a table of variables corresponds to a single item of a group NOTE During cyclic read of a group containing a table item the OFS server sends the whole table to the client application regardless of the number of elements in this table whose values have been changed 234 35008244 03 2009 Variables 35008244 03 2009 235 Variables 236 35008244 03 2009 Symbols 18 Aim of this Chapter The aim of this section is to describe symbol management within the OFS product What s in this Chapter This chapter contains the following sections Section Topic Page 18 1 Symbol operation 238 18 2 Symbol management 244 18 3 Symbols and links 257 18 4 Symbols management through Direct PLC link 261 35008244 03 2009 237 Symbols 18 1 Symbol operation Ai
140. e group including both ordinary and specific items e toread or write a specific item either synchronous or asynchronous functions can be used Specific items available for a device can be browsed in the Specific sub folder attached to any device The Diag Buffer function has been implemented in the form of a set of specific items They are introduced in a separate section in addition to the list provided below NOTE All specific items are disabled if the Enable OPC extensions box is not checked in the Communication folder of the configuration tool see page 140 Name Type Access Can be activated AppliName VT_BSTR R No It gives you the name if any read from the device Name Type Access Can be activated AppliVersion VT_BSTR R No NOTE The value of AppliName and AppliVersion is read only at first variable creation It gives you the application version if any read from the device This item is updated following start up of the server the initial item provided by item AppliVersion is kept even if the project is reloaded after an application modification Name Type Access Can be activated DisableDevice VT_l2 R W Yes 194 35008244 03 2009 Items If communication with the device is enabled the value read is 0 otherwise the value read is 1 To modify the state write either 0 or 1 This item can be used to temporarily disable commu
141. e rate ms 200 Advanced feature Quick ltem validation Specific Items Z Enable OPC extensions Change PLC Status The table below describes the fields relative to the communication folder Field Description Sampling rate on reception ms Defines the period for checking data reception in milliseconds Range 10 32767 Values should be adjusted carefully as they affect the CPU load on your computer Communication overrun behavior Saturation occurs when a group s update period is too low and the server is unable to update all the items in the programmed period Set items to Quality Bad option The items must be read with the group s update period default parameters otherwise the quality of the unrefreshed items is declared Bad Rate adapt option The items are updated even if a saturation appears Here the update period is not guaranteed and the client is notified as to the server polling period The frame time out for assigned devices must be sized in order to allow a complete update of the items The group update period remains the same but enables the group items to be read in the frame time out After this time the quality level switches to Bad In any case the quality depends on the time out period If you want to read as many items as possible the time out period must be longer than the group period X Way for push data Gate value of the reception gate on whic
142. eating the items in the group Addltems primitive e Schneider Electric configuration softwares use XSY files to exchange data on variables symbols based on located variables 246 35008244 03 2009 Symbols Unity Pro exported symbols file Procedure To create such a file using the Unity Pro workshop open the application using Unity Pro open the application browser open the data editor open any window in this editor e g FB variable and instance use the File gt Export menu to create the file This exported file authorizes the consistency check between the symbols file and the application in the PLC see Setting the alias properties page 105 and The PLC Software folder page 139 Types of symbols available with the XVM files For this type of file access is possible for e Simple variables EDT e Derived variables DDT if the DDT option has been enabled for exporting the application in Unity Pro e The inputs outputs inputs outputs and public elements of derived function block instances DFB I O derived data types IODDTs are not supported NOTE The Input and Output element descriptions of derived function blocks DFB elementary function blocks EFB and system sequential function charts SFC are supported by UnityPro from the V2 3 version In order to access to these elements you need to use an XVM symbol file generated by Unity Pro version V2 3 or upper Link with the XVM file For an
143. ee 172 Example of an OFS application with a Unity Pro PLC on TCP IP 173 Executing OFS and using the OPC client 00 0 0 ee 176 Part VI Advanced User Guide 0000eeeeeee 179 Chapter 15 Concepts lt ccs ee2 be need es eewebenecceeet es 181 Synchronous Services 0 000 eee 182 Asynchronous ServiceS 0 0 0 0 ccc eee 183 Notification service 0 0 0 ects 184 Symbol consultation 0 0 eee 185 35008244 03 2009 5 Chapter 16 Nenis c 2csie eis eee esta wits oy eee 187 16 1 Items under OFS onnes rnis aaee ia EAR EAE E eE o 188 General information on OPC items 000 cece eee 189 Definition of a group of itemS 0 2 eee ees 191 OPC Item Properties 0 0 00 eet eee 192 Specific Items 2 2 wets nri t eee A pe dit await Gewese bare re 194 PLC operating mode management 0 0 eee eee eee eee 200 16 2 Detected Errormanagement 00 cece ee eee 201 Feedback Mechanism 00 cece eee ete ees 202 Objects outside Software Configuration 0ee ee eee 205 Chapter 17 Variables so cccs05 cassette ek cae Sn oe ected 2 Neen Se 207 VA Datatypes ios avec eae canis ne ee pale ei al ate a a ees 208 Different OPC datatypes 0 cee cee ee 208 17 2 Unity Pro Variables on OFS 00 0 cette 209 Unity Pro Variables Available Using OFS 0 0000 210 Direct addressing data instances 0
144. elect the folder Schneider Aut OPC Factory Server in the list then click on Properties The dialog box Schneider Aut OPC Factory Server Properties will appear e click on the Identity tab The option The interactive user should be selected The This user option with an appropriate password should be selected if nobody is logged on to the server or if the session is modified or interrupted for no reason click on the General tab the authentication level should be set to Default e click on the Leation tab the option Run application on this computer should be selected e inthe Security tab select Use custom access permissions e click on Modify the Access Permission dialog box appears click on Add add the users then authorize access the SYSTEM INTERACTIVE and NETWORK users should be in this list others such as Everyone can be added e click on OK to close the dialog boxes e inthe Security tab select Use Custom Launch Permissions e click on Modify the Launch Permission dialog box appears Click on Add add the users then authorize them to start up the server the SYSTEM INTERACTIVE and NETWORK users should be in this list others such as Everyone can be added e click on OK to close the dialog boxes NOTE If the client and the server do not belong to the same 2000 domain or if there is no 2000 domain remember that identical users with identical passwords must be created on both machines note case sensitivit
145. elopment Features NET Extensibility SAPI Extensions SAPI Filters Server Side Includes mon Http Features Default Document Directory Browsing H P Errors H P Redirection Static Content h and Diagnostics E Perormance Features BD Apic ation Development Features O Basic Authentication o OOOH p p p BP p p T Client Certificate Mapping Authentication Digest Authentication IS Client Certificate Mapping Authentication Security Request Filtering URL Authorization indows Authentication Confirm your choices by clicking OK 66 35008244 03 2009 Workstation Configuration Enabling ISAPI Extension Configuring IIS Prior configuring ISS you must enable the ASAPI extension for ASP NET 1 1 e Click Start gt Run e Type windir Microsoft NET Framework v1 1 4322 aspnet_regiis enable where windir is the environment variable corresponding to the installation folder of Vista e Click OK The following table describes configuration of IIS Step Action 1 Create the lt root gt OFS and lt root gt OFS ftp folders Example c inetoub wwwroot OFS and c inetpub wwwroot OFS ftp In the Start menu select Control Panel Click Administrative Tools then select Internet Information Services Manager IIS Result The IIS Manager window appears File Filew Help F
146. em OPC server PLC Primitive RCW O OPC Factory Server OLE server for exchanging data with the PLC Object Linking and Embedding object for linking and embedding In particular supplies the OLE Automation interface a technique which enables a server to display the methods and properties to a client OLE for Process Control Controls a collection of OPC items that is a list of PLC variables PLC variable on a PLC and a given communication medium Controls a collection of OPC groups Hierarchical root of the OPC model P Programmable Logic Controller programmable controller industrial OPC function R Runtime Callable Wrapper The main function is to group calls between Net client and the non managed COM object 362 35008244 03 2009 Glossary RDE Remote server Server application SOAP Socket SP Symbol UNC Read Data Editor The OFS RDE is used to display and edit the variables of devices from a table based on a Java application or window The client and server application are located on 2 separate stations linked by the Microsoft TCP IP network S Software presenting the primitives to the client applications via mechanisms interfaces implemented by OLE Simple Object Access Protocol a Microsoft protocol using HTTP and XML for information exchange Communication channel established between the OFS server and one or more PLCs on a given communication media The
147. ension or the option OFS server test client during the installation of the remote extension Main uses The C OPC DA client is mainly used to verify the configuration and communication of the whole system OPC Client OFS Server PLCs Connect as Client to Server The following table describes connecting as Client to Server Step Action 1 The following window appears the test client opens Select a server for the session T opc1 o F opc20 Vv All lode Browse Prog ID User info CLSID chneider Aut OFS E Schneider Aut OPC Factory Server E7675090 9FF9 1 Prog ID Schneider Aut OFS Cancel OK Select the Schneider Aut OFS server for Prog ID Enter the name of the computer of the OPC Server leave empty if the OFS client is on the server Click on OK to connect to the server 150 35008244 03 2009 The OFS Test Client The NET OPC DA OPC XML DA Client Description The NET OPC DA OPC XML DA client is an OPC client that may used as a test tool It is an NET OPC client that lets you connect to the OFS server via OPC DA or via the SOAP XML protocol compliant with the OPC XML DA V1 01 standard To install it on the machine select the Net station option when installing an extension The main uses and characteristics of this client are identical to those of the C OPC DA see page 150 client The NET OPC D
148. epa ci Electric Immediate Fast fa By Internet By Phone By the Internet on another computer Use this method if the computer is connected to the Internet and if il has a Web browser Continue the procedure using the lt lt Nex gt gt button then terminate the procedure lt Back Cancel Click one of the methods according to your requirements immediate fast or with a delay then click Next and follow the remaining procedures 35008244 03 2009 45 Registration Step Action By choosing the Transfer the authorization option in step 2 a new window is displayed The window below offers 3 types of authorization transfer e transfer the PC s authorization to a PC on the network e transfer the PC s authorization to a removable medium transfer the PC s authorization from a removable medium to this PC Note For an authorization transfer on the network the OFS installation directory of the PC receiving the authorization should be shared with the OFS share name and with the Full Control permission rights during the transfer operation Note The removable medium must not be write protected Schneider Electric OFS Authorization Electric Transferring the authorization spre transfer the authorization from one computer to another via the network transfer the computer s authorizaticn to a removable medium transfer the authorization from a
149. equest Object Comment l1 0 input bit of rack 0 module 1 and channel 0 11 0 ERR detected error on the channel of rack 0 module 1 and channel 0 l1 2 input bit of rack 0 module 1 and channel 2 11 3 ERR detected error on the channel of rack 0 module 1 and channel 3 l1 6 input bit of rack 0 module 1 and channel 6 l1 31 input bit of rack 0 module 1 and channel 31 However if the mo dule detected error bit is added to the objects above given that it alone generates one request the reading of all the objects will take two requests Object Comment l1 0 input bit of rack 0 module 1 and channel 0 l1 0 ERR detected error on the channel of rack 0 module 1 and channel 0 l1 2 input bit of rack 0 module 1 and channel 2 11 3 ERR detected error on the channel of rack 0 module 1 and channel 3 l1 MOD ERR detected error on the module of rack 0 module 1 and channel 3 l1 6 input bit of rack 0 module 1 and channel 6 l1 31 input bit of rack 0 module 1 and channel 31 332 35008244 03 2009 Performance Write operation The concatenation of items i e the construction of requests by optimizing the possibilities offered by the protocol addressing the same module is performed for discrete Input Output modules OFS automatically adjusts the size of requests to the maximum admissible by the protocol For example on a Uni Telway bus for a discrete output module writ
150. eral J Communication information Driver information Push Data Adjustment information Max Channels Max Pending 0 Device timeout ms 5000 Frame timeout ms 000 The table below describes the adjustment fields Field Description Max Channels Number of channels allocated to the device Note This parameter has a very large impact on performance as it determines the maximum number of requests that OFS can process in parallel see page 324 Max Pending Maximum number of requests authorized to be pending awaiting response for a device This number does not depend on the number of opened channels Range 0 256 0 is the default value and it indicates that OFScalculates the optimal value Frame Timeout Permissible delay between request and answer Range 1000 10900 to the maximum of a third of Device Timeout Device Timeout Delay for the status change of the device Missing Unknow or Ok Range 3000 32767 at least three times the Frame timeout or 0 to disable the feature For more information on this subject see frame and device timeout see page 115 108 35008244 03 2009 The OFS configuration tool Modbus Gateway The illustration below shows an example of a gateway type alias Modbus Gateway Device name Modbus Gateway Device name Modbus Gateway
151. ernet mode What s in this Chapter This chapter contains the following sections Section Topic Page 6 1 Configuration of stations for a WIN32 environment 52 6 2 Configuration of IIS stations 58 35008244 03 2009 51 Workstation Configuration 6 1 Configuration of stations for a WIN32 environment DCOM Configuration Description The OFS server can operate in local mode the server and the OPC client are located on the same machine or in remote mode the OPC client and the server are on different machines connected by DCOM generally via Ethernet TCP IP The remote execution mode requires an additional adjustment using the DCOMCnifg exe tool provided with the DCOM package The server and the client station should be configured appropriately Configuration using Windows 2000 Server Windows 2000 The configuration parameters must be defined while logged on to the machine with an account having the necessary administration rights to access and start up the server Step Action 1 Start DCOMCnfg exe located in the Winnt System32 directory 2 In the Default Properties tab check that e the optionEnable Distributed COM on this computer is selected e the field Default Authentication Level is set to Connect e the field Default Impersonation Level is set to Identify 52 35008244 03 2009 Workstation Configuration In the Application tab s
152. ersonation Is ASP NET activated The ASP NET application runs with the identity No j of the local machine Yes The ASP NET application takes the client s identity Access check OK e g NTFS No y y Access authorized Access refused 35008244 03 2009 59 Workstation Configuration Authentication Authorization Impersonation Used to identify the user For example a user must provide a user name and password They are checked with an authority for example a database or a Windows domain server The identification and access control of a client to resources are important components of several distributed applications IIS and ASP NET provide several authentication methods NOTE For additional information about Microsoft security refer to specialized publications The process that grants or refuses access to resources for specific users Impersonation enables a server process to run using the client s login information When the server impersonates the client all the operations it executes are carried out using that client s login information The advantage is that it facilitates the authorization management NTFS authorizations applicable to the specified account are used If the user is not authenticated and activity impersonation is activated then the IUSR account or the Internet Guest account with very limited authorizations is u
153. erver will free the Unity project STU file when it has accessed the database to look for variable properties A remote Unity client can then open and modify this project which is impossible when this option is not checked If this modification is downloaded to the PLC the cyclic consistency check of the server detects the modification and re learns the project In the case of this utilization it is thus strongly recommended to select the option available in Unity Pro V2 0 Tools Options gt General Project autosaving on download Without this the user must manually save the project on downloading in order for the application loaded in the PLC to be consistent with the project STU file Symbol table If the Reload Database option is checked the server reloads automatically the new database in case of inconsistency detection 35008244 03 2009 139 The OFS configuration tool 8 12 The Communication folder The Communication folder Presentation The Communication folder page gives access to general synchronization parameters for data exchange with the devices and polling frequency on reception Description This folder defines the settings for communication server feature Communication settings Sampling rate on reception ms 50 Communication overrun behavior tems to Bad Quality Rate adapt XWAY for Push Data Gate 0 Group minimum updat
154. ese do not have canonical type character strings e The conversion byte array gt string produces an ASCII string 208 35008244 03 2009 Variables 17 2 Unity Pro Variables on OFS Section Contents This section presents the different Unity Pro variables available either directly direct addressing or by a symbol table XVM STU or XSY What s in this Section This section contains the following topics Topic Page Unity Pro Variables Available Using OFS 210 Direct addressing data instances 211 35008244 03 2009 209 Variables Unity Pro Variables Available Using OFS At a Glance Description OFS provides access to the following Unity Pro variable types Table Structure NOTE Elementary data type EDT Derived data type DDT I O derived data type IODDT 1 Elementary function block EFB derived function block DFB 1 e Suffix S is used to read and write a character string type variable in the form of a byte table OCP type VT_UI1 table e Suffix C is used to read and write a string type variable in the form of a string of characters OCP type VT_BSTR The following table shows the EDTs in Unity Pro Unity Pro data type OPC data type Variant type Returned format BOOL BOOL VT_BOOL True False EBOOL BOOL VT_BOOL True False INT INT VT_l2 16 bits DINT DINT VT_l4 32 bits UINT UINT VT_Ul2 16 bits UD
155. etwork e Amode via a web http interface Local access The client application and the OFS server are on the same extension OFS Symbol Data Concept PL7 Unity Pro Local client Modbus network X Way network 20 35008244 03 2009 OFS Uses Remote access by DCOM Remote access on the Internet via DCOM Ethernet TCP IP Network Symbol Data ore Concept PL7 Unity Pro meee Local client application Remote client application Modbus network X Way network The client application and the OFS server are on separate extensions connected via the Microsoft TCP IP network NOTE DCOM see page 52 must be configured correctly before launching remote operation 35008244 03 2009 21 OFS Uses Remote Access by IIS Remote access on the Internet via IIS Internet Information Services The site server and the OFS server are on the same extension The site server and the client application are on separate extensions communicating via Internet Site Server and OFS extension Internet Firewall lt Remote client application Symbol Data Concept PL7 Unity Pro Industrial network PLCs Programmable Industrial NOTE IIS see page 61 must be configured correctly before launching the remote operation 22 35008244 03 2009 OFS Uses Software components and terminology At a Glance NET Framework NET Web service
156. evices All the parameters are processed by the configuration tool which makes it an essential component of the OFS product It allows the user to configure the OFS server to connect it to networks devices and symbols tables To use the server one must first create an alias for each device that will be accessed An alias is a shortcut that may be used when a network address for the device is necessary single replacement string The use of an alias is also a very practical way to disconnect your OPC application from network addresses of devices that may be modified when necessary As the server does not have any symbol support function you may indicate to the server the name and path of the symbols table file to use one per device It enables the view symbols function for the device You may next configure other device parameters using the properties page for the device NOTE All changes made to the server configuration parameters are static To enable the changes the server must be shut down then restarted 35008244 03 2009 89 The OFS configuration tool Configuration Tool Execution Description To launch the OFS Configuration Tool e click on the Start button in the task bar e Select Programs Schneider Electric OFS OFS Configuration Tool The upper part of the window offers a set of menus and a tool bar OFS Configuration Tool File Edit View Settings Help He We e aw ED The upper part of the wind
157. ex tError is structured in the following way Illustration of the structure of the bytes table o General information stored after recording an Anomaly recorded D anomaly The length of at the top of the table this first part is fixed at 22 Fixed size bytes Specific data p Da stored Variable size Arer recorang an anomaly 119 35008244 03 2009 307 The Diag Buffer Information retrieved by the Diag buffer at the top of the table Description The illustration below details the contents of the first 22 bytes in the table Anomaly registered at the top of the table Size in bytes 1 Identification number L2 2 3 l 2 Glass Length of 144 status 5 l 4 Ty is cece ae ee 4 T l 6 9 8 Status 4 DAE hande fia i 10 13 12 Time stamp for 4 ieee te beginning of alarm 15 14 7 1 16 Time stamp for 4 pO end of alarm i 19 l 18 21 20 No of the Status alarm 1 1 zone to monitor X Byte no 308 35008244 03 2009 The Diag Buffer Definition of the contents of the table e Identification number coded on 2 bytes an identifying number which is given for acknowledgment This number must be written in the DiagAckError item to acknowledge an alarm e Length of status coded on 1 byte depends on the DFB which has been programmed If the value is 2 it is
158. ext gt 74 35008244 03 2009 Workstation Configuration Step Action Restart the wizard from the FTP site ofs and create the FTP site nternet Information Services File Action View Help i x ANRI EI 5 Internet Information Services Name a8 MY_PC local computer There are no items 5 Web Sites gD Default Web Site 1 FIP Site 25 Default FTP Site a m g Explore Open Browse Virtual Directory All Tasks gt View gt Delete Refresh Fynort ist In the FTP creation wizard enter FTP Virtual Directory Creation Wizard x Virtual Directory Alias You must give this virtual directory a short name or alias for quick reference Type the alias you want to use to gain access to this virtual directory Use the same naming conventions that you would for naming a directory Alias FTP lt Back Next gt Cancel Click Next gt 35008244 03 2009 75 Workstation Configuration Step Action 7 Click Browse to specify the FTP path e g defined in step 1 of the IIS configuration procedure see page 67 Example c inetoub wwwroot ofs ftp Virtual Directory Creation Wizard x FTP Site Content Directory Where is the content you want to publish on the FTP site Enter the path to the
159. f the diag buffer easier With these aliases it will be easier to declare PLC addresses during the creation of an OPC client When an OPC client wishes to use the diag buffer it must define a handle and use this handle only once in the creation of a group To do this at each call of the OPCServer AddGroup method the hClientGroup parameter 4th parameter must contain a unique value This value corresponds to the client s clientHandle As this value must also be unique amongst all the OPC clients using the diag buffer the following procedure must be considered e if during the connection the return code OFS_E_ DIAG_MMI_ALREADY_CONNECTED is transmitted it means that the clientHandle is already in use Another value must therefore be used In order to do this consult the window which can be accessed via the General gt NetManX WayWindow menu and extend the branch Devices lt gt Device lt gt DiagBuffer connections which gives the list of connected viewers handle MMI id Possible values for the clientHandle are between 0 and 2 2 0 to OxFFFFFFFE The value OxFFFFFFFF is reserved Example of the settings of the handle with the C test client supplied on the OPC Factory Server CD e create a short cut on the executable file OFSClient exe e inthe properties of the short cut add onto the end of the line Target C OFSClient exe h10 for example to fix a handle 10 for this OPC client All the examples on
160. for Modsoft format e creating an alias for the device with the Configuration tool e linking the symbol table and this device e when the group is created by entering the name and path of the symbol table Symbol management is intended for a user group Syntax of a group name lt Group name gt lt symbol table file path gt E g creating group 1 C test csv OFS server will report a message to the client application if while establishing this link it detects that the neutral file does not exist or that it is invalid its content is syntactically incorrect 35008244 03 2009 245 Symbols If a symbol file contains collisions multiple declarations of the same symbol or address the OFS server only retains the 1st occurrence of this identifier and does not take following occurrences into account for example if a symbol file contains the following associations e PUMP associated with MWO e PUMP associated with MW1 the OFS server will therefore consider the PUMP symbol to correspond only to MWO NOTE e In all cases the extension should have been configured see page 138 beforehand e The use of symbols has no effect on the performance of the read write utilities of variables displayed by the OFS server The only difference in performance concerns the group creation phase The creation of a group of symbols is in fact longer as it includes the translation of the symbols into addresses when cr
161. g the OFS Network Interface 000 e eee eee 112 8 4 The Device overview folder 0 uana 113 Creating anew device 0 ects 114 Adjusting timeout item values 0 nae 115 Adjusting Communication Timeout with a device 116 8 5 The Default devices folder 0 cee eee eet eee 117 The Default devices folder 0 2 0 cece eee eee 118 Dynamic Consistency and Consistency Level 2 00 119 Pushdata SUpport i e nireti cies oe mnn ia oti OS 122 8 6 The Devices without Aliases folder 0 0 0 eee eee 127 Devices without Aliases folder 0 0 00 eee 127 8 7 The Deadband folder 0 0c tee 128 The Deadband folder 0 000 cece eee eee 129 Description of the Deadband mechanism 0 20005 131 Installation of the Deadband in a client application 133 35008244 03 2009 8 8 The Diagnostic folder anasan aaaea 134 The Diagnostic folder 0 0 cece ee tee 134 8 9 The Simulator folder 0 0 0 0 c ects 135 The Simulator folder 0 0 0 cee 136 Individual simulation of a device eee ee 137 8 10 The Symbols folder 0 0 cette 138 The Symbols folder 0 2 2 cece eee eee 138 8 11 The PLC Software folder 2 0 cece eee ee 139 The PLC Software folder 0 0 0 0 cee tees 139 8 12 The Communication folder 0 0 0 c cece eee 140 The
162. h data Procedure and Example The Push data should be sent to the server using a request code 37h for X Way generally via the function WRITE_VAR PL7 and the function code 16 for Modbus generally via the Concept EFB function WRITE_REG 122 35008244 03 2009 The OFS configuration tool Concept example of using WRITE_REG to test the PUSH DATA function test Push Data for OFS FBI_7_20 4 SAMPLETM y 70414 Enable_Write_TCPIP D gt EN ENO ADD_UINT t1000 ms E gt INTERVAL Q EN ENO f Update write ists DECELANE Mp Requert ToNb_Request WRITE_REG 7855 FBI 71142 En uwr EN Bal ADD_UINT TCP_IP_ADDR REQ DONE EN ENO L SlaveReg SLAVEREG ERROR Nb_Done gt gt Nb_Dane 0 h Map_Idx No_Reg NO_REG if lt 5 D gt Slot_iD REG_WRIT 7000 AddiFld AddiFid STATUS f gt status PONLO 430 gt Ip_B4 l y z ADD_UINT 100 gt Ip_B3 EN ENQ 219 gt Ip_B2 Nb_Error gt gt Nb_Enror 176 gt Ip_B1 has In this example IP address for OFS PC 5 For WRITE_RES function is 130 160 240 476 Walues for Push data zone are In this project NOE 211 00 card isin slot 5 SlaveReg is the first address in the OFS to be written to Value is the same as Base Address Alias properties Push Data support in OFS configuration tool No_Reg indicate number of registers to be written from PLC Value is the same as Size Alias properties
163. h the server will receive data from the remote device Range 0 255 140 35008244 03 2009 The OFS configuration tool Group minimum update rate ms Minimum update rate allowed for groups The update rate that will be set by the client for a given group should also be a multiple of that numerical value in ms Range 20 32767 Advanced feature If the option Quick Item validation is checked item validation makes no physical access to the corresponding device request emission If the device is not accessible this avoids the server having to await communication time out Specific Items Enable OPC extensions Enables disables the specific items see page 194 Change PLC status If the Enable OPC extensions option only is checked it allows the server to change the PLC operating mode RUN STOP Note If the Change PLC status option is not checked any client application attempting to write on the PLCStatus item receives an system message 35008244 03 2009 141 The OFS configuration tool 8 13 The Options folder The Options folder Description This folder allows the optional functions of the OFS server to be activated E Features DCOM security x DNS Scanning TCP IP E Server shutdown Batch file bat 2 a Tempo after server shutdown s 2 Field Description
164. h the user name IUSR_FTP and the password Check Allow IIS to control password FTP Restriction of Anonymous Access The IUSR_FTP configuration as an Administrator account cannot be appropriated for ensuring secure access to the server In this case configure IUSR_FTP as the member of a group with restricted permissions Then follow the instructions below to grant access rights to the IUSR_FTP user account Step Action Find the file namespace zip located in c Inetpub wwwroot ofs ftp Right click on this file and select Properties In the General tab make sure the file is not read only In the Security tab click Add In the Select Users or Groups window enter lt machine name gt lIUSR_FTP Click OK to add it to the list Select the created user and grant him total control in the Security tab Click OK to confirm and close the window olo NIJA A Ww Pp Repeat the steps with the file password rde located in c Inetpub wwwroot ofs ftp 35008244 03 2009 77 Workstation Configuration Various Types of Access Windows 2000 XP only Overview Four minimal Intranet configurations are presented 3 anonymous and one secure access types The following are provided for each configuration e the ASP NET Web Service security settings defined in the web config file The web config file in XML format is provided when you install Web Station in ww
165. he OPC DA test clients accept the two following syntaxes e The Path field provides the Alias and the Name field defines the variable e The Path field is empty or indicates the host server and the Name field completely defines the item according to this syntax Alias Variable Contrary to OPC DA clients OPC XML clients may use the Path field only to qualify the host server If the field is empty the default server is then addressed 190 35008244 03 2009 Items Definition of a group of items Definition All the OFS product s services are based on the concept of a group of items an item is a variable of any PLC which can be accessed either by their address or by their symbol e Several groups can be defined e a group may concern several devices each item of a group can have a different device address e a group concerns various communication devices and media each item may refer to a different communication driver If a device can be accessed via several communication media it is possible to mix variables addressed via different media within one group e the items comprising a group can be different it is possible to mix all types of objects managed by the OFS server For example mixing words double words and floating points within one group e all the items in the same group have the same update rate and deadbanding percentage 35008244 03 2009 191 Items OPC Item Properties Properties The
166. he Preload settings is implicitly set to Device by the OFS server 264 35008244 03 2009 The Diag Buffer 19 Overview This chapter describes the Diag Buffer detection tool What s in this Chapter This chapter contains the following sections Section Topic Page 19 1 Description of the Diag Buffer 266 19 2 Diag Buffer for Unity Pro 268 19 3 Diag Buffer for PL7 294 35008244 03 2009 265 The Diag Buffer 19 1 Description of the Diag Buffer Definition of the Diag Buffer The Diag Buffer detects anomalies on monitored elements and transmits messages to the display systems This function is only provided for Premium TSX57 PCX57 PLCs programmed with PL7 and those programmed by Unity Pro that have a minimum software version see PL7 Unity Pro documentation for further information It lets you view an alarm being triggered in real time and gives all the characteristics of the alarm triggered in a bytes table General e e e e e Illustration type of detected error start date and time end date and time trigger zone between 0 and 15 in case several modules are declared on the same PLC alarm comments The diagram below shows the functioning of the Diag Buffer 1 Detection 2 Storage 3 Display Diagnostics DFB Message Diagnostics gt DFB Diagnostics buffer Acknowledgement System diagnostics
167. he conditions ensuring that the items in a group are consistent with one another read or written in the same PLC scan are described in read consistency see page 240 and write consistency see page 241 182 35008244 03 2009 Concepts Asynchronous Services Description These services are used for partial or complete reading and writing of a group of items the periodic scanning of the evolution of variables read polling must be handled by the client application the client application is not blocked during the time it takes to obtain the data a notification mechanism which must be activated notifies the client of the results the process for synchronization with the PLC is exactly the same as the one outlined for synchronous see page 182 services 35008244 03 2009 183 Concepts Notification service Description The periodic scanning of variables read polling and the notification of changes in variable values are performed by the OFS server e the client application should program a Wake up function which is called up by the OFS when value changes have occurred on items of all periodically examined groups This means that the Wake Up function is unique in the client application it receives all the notifications from the OFS server then it must redistribute them to the processing functions specific to each periodically scanned group NOTE For ready to run supervisory software the Wa
168. he group s active items The group must be active Cancel Stops the progress of a current read write or refresh operation It is not possible to know if the operation has actually been stopped 242 35008244 03 2009 Symbols Periodic Read Utility Installation Description Installation of the periodic read utility of a group s items consists of 4 stages e Subscription of the group to the notification service set up by the OFS server e Programming of the OnDataChange waken function called by the OFS server to notify of changes in values that have occurred in the groups e Activation of all the items to be examined if this has not already been done e Activation of the group to trigger regular examination of the group s items which the OFS server is responsible for ActiveStatus property set to TRUE In terms of performance it is advisable to activate the elements within a non active group first and then activate the group By doing this you will avoid having too long a start up time due to numerous network requests NOTE Synchronous read and write functions are possible during the periodic read They are not recommended however as they may bring about anomalies notification is not sent as the value was read before the required sending of notification Reminder The OnDataChange primitive receives notifications for all groups whose servers ensure read polling e Notification is done by group and not indivi
169. hen there is a variation it applies the selected consistency policy If the dynamic control option is not checked consistency is checked only on each access to the device The consistency policy defines the procedure to follow if there is any variation between the application of the PLC and that of Unity Pro This behavior is defined in the configuration of the alias Detailed Description Unity The policy for a direct link with Unity Pro is as follows e Strict level If there is any variation all Items of the device are positioned with the Quality field set to Bad e Debugging level In the event of a minor variation not affecting the existing application variables animation of all variables is maintained If the modification affects the memory location of the variables the animation is suspended for all variables NOTE In debugging mode because of the permissiveness of the algorithm some destruction type operations may not be detected by the server 120 35008244 03 2009 The OFS configuration tool Concept Detailed Description The policy for a direct link with Concept is as follows e Strict level OFS checks that the application in the device is strictly identical to the one in the symbols file If there is any variation all the Symbolic Items of the device have their Quality field set to Bad e Debugging level In the event of inconsistency the animation of non located symbols is stopped the located symbo
170. i aa SO OFSVISTA gt Web Sites Default Web Site Ho gt 4 4 SO OFSVISTA So ofvista ofse ofsteam ad Default Web Site Ho Add Application Advanced Settings Edit Bindings Auth Group by Area Bel gt i Application pools T E lt u FTP Sites ASENET Ws Q IEE ET NET NET Profile ilation Globalzation by ab g ma E Browse ection Pages and Providers Al Explore ring Contols ey lentic Refresh wi x Remove Rename iN 404 Default Error Pages Document 35008244 03 2009 67 Workstation Configuration Step Action 4 In the navigation panel expand Web Sites Right click on Default Web Site and select Add Virtual Directory Result The following window appears veb site name Default Web site Pah Alias Application pool OFS DefaultAppPool Exerrples sde Physica Pah C inetpub wwwroottOFS El e Type OFS in the Alias field Click to specify the Physical path It must lead to the directory defined in step 1 Click OK In the navigation panel of the IIS Manager window expand Default Web Site Right click on the OFS folder and select Convert to application Right click the OFS folder again and select Add application Result The following window appears Add Application Website name Default Web site Path l Alias Applicat
171. ialog with OK NOTE It is recommended to restart the system NOTE If the client and the server do not belong to the same XP Vista domain or if there is no XP Vista domain remember that identical users with identical passwords must be created on both machines note case sensitivity 35008244 03 2009 55 Workstation Configuration Client Windows XP Vista The configuration parameters must be defined while logged on to the machine when you have an account with the necessary administration rights to access and start up the client Step Action 1 e Run DCOMCnfg exe from the c Windows System32 folder and on the icon Right click the icon Root Console Component Services Computers WorkStation to display the properties by right clicking or e Click Control Panel Administrative Tools Component Services In the window that pops up click Component Services Computers Right click the icon My Computer to display the properties 2 In the Default Properties tab check that e the Enable Distributes COM DCOM on this computer option is selected the field Default Authentication Level is set to Connect e the field Default Impersonation Level is set to Identify 3 In the COM Security tab modify the Default Access Permissions list in order to make sure that the users SYSTEM INTERACTIVE NETWORK and EVERYONE are present This last setting is only necessary to allow the server to send back notifications to
172. iation to be applied to all simulated variables by the server Simulation settings Simulation settings Integer variable increment at each cycle _Max value Initial values Zero Random Max values 00 Notification adjust Probability 1 i Field Description Simulator mode Allows you to select the simulation mode Initial values Random the variables are initialized to random values Zero all variables are initialized to zero Max value Maximum value for the simulated variable Range 0 32767 The variable is increased at each cycle and returns to 0 when the maximum value is reached cyclically Boolean variables are inverted floating point variables are increased by 0 3 Notification adjust N 1 simulated variables are updated at the same update rate as the group and each time a reading is performed sync or async lt we10 at each period there is one chance in N that the simulated variable will be modified There is no correlation between different declared variables their values change individually The decrease in the probability value increase of N reduces the number of notifications and thus reduces the CPU load on the machine 136 35008244 03 2009 The OFS configuration tool Individual simulation of a device Description This feature allows the server to simulate a missing device The choice be
173. ication information Driver information Push Data Adjustment information Device timeout ms 5000 Frame timeout ms 1000 Max channels 1 Max Pending 0 Here the alias is associated with a Unity U project with a XWAY index of 29 ona gateway with XIP address 0 2 0 This device uses the gateway parameter values Max Pending These parameters can only be modified in the gateway alias properties not in the alias 35008244 03 2009 111 The OFS configuration tool Tuning the OFS Network Interface Description The main parameters for tuning the OFS network interface are as follows e Group Min Rate see Setting the alias properties page 105 the value of this parameter should refer to the update rates you plan to use for your OPC groups If you set the value of this parameter to X the update rates you can use are X 2X 3X nX The rule of the thumb is to set it to X 2 if you plan to use rates X 2X 3X nX Example If you plan to use update rates that are 1 2 5 seconds you can set this parameter to 500 ms If you give this parameter too low a value you waste the PC s processing time e Sampling rate on reception see The Communication folder page 140 this parameter defines the frequency with which the internal entity in charge of receiving the responses will check the network drivers to see if any messages have been received The rule of thumb is to set it to X 2 if
174. ient Internet Windows 2000 XP or Vist Windows 2000 XP or Vista Firewall _ i H NetFramework SA NET API 35008244 03 2009 25 OFS Uses 26 35008244 03 2009 Installing the OFS product Aim of this section The aim of this section is to introduce you to the procedures for installing the product What s in this Part This part contains the following chapters Chapter Chapter Name Page 2 Contents of the OPC Factory Server Product 29 3 Hardware and software configuration of the OPC Factory 31 Server product Product installation procedure 33 Registration 43 35008244 03 2009 27 Installation of the product 28 35008244 03 2009 Contents of the OPC Factory Server Product 2 OFS Contents Contents of the product The OFS product has 2 CDROM including Installation instructions Different drivers The OFS CD ROM includes The OFS Server The OFS Manager the OFS Configuration Tool Documentation English French German languages Sample symbol tables Sample applications Two OPC test clients Win32 and NET A Web client for accessing page view data editor and server status NOTE the OFS product does not contain any cable for communication between the PC and the PLC 35008244 03 2009 29 Contents of the OPC Factory Server Product 30 35008244 03 2009 Hardware and software configuration of the OPC Factory 3
175. ient JVM 34 41 Items General 189 Groups 239 Properties 192 Specific 194 Synchronous group 239 User group 239 M Max channels 112 Max pending 109 111 Max Pending 108 N Network Tuning 112 366 35008244 03 2009 Index Network Address modification 96 NT service 83 O Objects Outside configuration 205 OFS NET OPC DA OPC XML DA 151 C OPC DA Client 150 Introduction 16 Manager 145 Server 155 OFS Contents 29 OFS HTTP WEB SITE Diagnostics 167 Editor 165 Home 162 OFS HTTP WEB Site Read 163 OPC Data types 208 operation asynchronous 242 Other 96 P Parameters 97 Standard 95 Period 184 PL7 function blocks 256 PL7 variables Standard function blocks 221 I O objects 218 PL7 Variables Standard Objects 217 PL7 variables Table objects 223 PLC operating mode 200 Polling 184 Preload 106 Protocols Introduction 317 R Rate Min group 112 RcvRate 112 Read only 106 Recommendations 345 Request Data items 327 Request codes 352 Requests Optimization 330 S Server 2000 52 Device information 89 XP SP2 Vista 54 server programming 344 Service Notification 184 Services Asynchronous 183 Synchronous 182 Simulated 106 Simulation 137 Simulator mode 159 Support Push data 122 Symbols 104 185 Symbol management Introduction 245 Symbol table file 106 Symbols Browsing 254 Symbols table file 100 35008244
176. ient requires the DiagAckError see page 298 specific item in the group 4 To update the Diag Buffer status the OPC client needs to add the DiagRead Status see page 299 specific item 304 35008244 03 2009 The Diag Buffer The following screen shows the installation of specific items OFSDoc1 GRP1 OPC 2 0 BS ies EA n Field Value Diagl DiagLogout F Access Path Diag DiagAckError F Active FALSE Diag DiagReadStatus F Update ST 30 2 1899 00h00min00S F Cuality Bad 0 F Canonical Uns Short F Tipe Empty F Access Rights Read amp Write F eu Type None e Anactive group this group must be created or activated after actual connection with the DiagLogon item New Group E3 Name GRP2 r Notification 7 Initially active Undate rate 1000 ms 7 Initially notification created Dead banding 0 000000 0 0 1 0 Z Initially notification enabled OPC Version Auto V Notify time Cancel To reset the alarms coming from diag buffer the client needs to add the DiagReadNextError see page 298 specific item to the group 35008244 03 2009 305 The Diag Buffer The screen below shows a 120 byte table see page 307 in which the detected error see page 307 code of the activated alarm can be found Each byte represents a specific piece of information OFSClient OFSDoc5 GRP2 OPC 2 0 IG Eile View Server Group ltem Test Tools Window Help
177. ified A WARNING UNINTENDED EQUIPMENT OPERATION e Limit or restrict access to qualified personnel e Provide appropriate and independent protection via your application or process Failure to follow these instructions can result in death serious injury or equipment damage Illustration View of the Data Editor page data editor from an OFS server Schneider OPC Factory Server G Electric Home Documentation Monitoring DATA EDITOR z Monitoring EORAMARA Rate 1000 IP Address 139 160 234 43 Empty Name Value Type ReadOnly Comment tabled M1192 V1 false M1152 V2 false Name Value Comment Read Only L Browse Mi M s S2 Bv Bv J e 2005 Schneider Electric S A S All Rights Reserved gt nenet 35008244 03 2009 165 The OFS server WEB site Description of the data editor buttons EIENEN ga EAE In sequential order create a new table of variables save a table password protected copy the selected table or the selected variable paste the copied table or the copied variable delete a table or a variable change the password USER by default start or stop the animation NOTE write access to variables is password controlled The password is the same as the
178. iguration Step Action 5 Right click on the OFS folder proposed by the user and choose Properties Result the following window appears OFS Properties Directory Documents Directory Security HTTP Headers Custom Errors When connecting to tis resource the content should come from T The designated directory A share located on another computer A redirection to a URL Local Path OFS T Script source access IM Log visits IV Read IV Index this resource T Write I Directory browsing Application Settings Application Name Default Application Create Starting point lt Default Web Site gt Configuration Execute Permissions Script only x Application Protection Medium Pocket Y Unload OK Cancel Apply Help 6 Click the Create button to publish the OFS site 64 35008244 03 2009 Workstation Configuration Configuring the IIS component Using Windows Vista Introduction After installing Web station on the machine the user must validate the Web server functions of the machine via the IIS component The IIS configuration must be defined manually on the Web Station machine NOTE e Toaccess the ASP NET features IIS must be installed with the latest security updates and before NET framework 1 1 If INET framework 1 1 is already installed and IIS is not configured yet it must be uninstalled e During the installation Windows Vista might ask you to confirm yo
179. ing of the following objects generates a request Object Comment Q2 0 output bit of rack 0 module 2 and channel 0 Q2 1 output bit of rack 0 module 2 and channel 1 Q2 3 output bit of rack 0 module 2 and channel 3 Q2 10 output bit of rack 0 module 2 and channel 10 Q2 11 output bit of rack 0 module 2 and channel 11 Q2 31 output bit of rack 0 module 2 and channel 31 35008244 03 2009 333 Performance Addressing of analog I O modules for Premium and M340 devices General Read operation This section concerns all modules not dealt with in the section on addressing of discrete see page 332 Input Output modules and mainly concerns TSX AEY TSX ASY TSX AEZ TSX ASZ devices as well as periodic exchanges of 64 word table objects from the Fipio agent The Read operation and Write operation sections use a type of optimization known as channel optimization In read mode objects are compacted and concatenated on items addressing the same channel of an Input Output module 334 35008244 03 2009 Performance For example reading of the following objects generates a request Object Comment IW1 0 2 input word of rack 0 module 1 channel 0 and position 2 IW1 0 3 input word of rack 0 module 1 channel 0 and position 3 IW1 0 10 input word of rack 0 module 1 channel 0 and position 10 I D1 0 double input word of rack 0 module 1 channel 0 and posit
180. ion 0 I D1 0 4 double input word of rack 0 module 1 channel 0 and position 4 I D1 0 6 double input word of rack 0 module 1 channel 0 and position 6 ID1 0 11 double input word of rack 0 module 1 channel 0 and position 11 The same applies for Fipio agent objects Object Comment IW 0 2 54 0 0 input word at connection point 54 of a base module channel 0 and position 0 IW 0 2 54 0 0 1 input word at connection point 54 of a base module channel 0 and position 1 IW 0 2 54 0 0 2 input word at connection point 54 of a base module channel 0 and position 2 IW 0 2 54 0 0 29 input word at connection point 54 of a base module channel 0 and position 29 IW 0 2 54 0 0 30 input word at connection point 54 of a base module channel 0 and position 30 IW 0 2 54 0 0 31 input word at connection point 54 of a base module channel 0 and position 31 35008244 03 2009 335 Performance Write operation If you want to address different channels you should allow one request per addressed channel In this example 5 requests are generated Object Comment IW1 0 input word of rack 0 module 1 channel 0 and position 0 IW1 1 input word of rack 0 module 1 channel 1 and position 0 IW1 3 input word of rack 0 module 1 channel 2 and position 0 IW1 4 2 input word of rack 0 module 1 channel 4 and position 2 IW1 15 input word of rack 0 module 1 channel
181. ion pool OFS DefaultAppP ool Select Examplos salos Physical Path CAinetpubiwwwrootiOFS L Connect as OK Cancel 68 35008244 03 2009 Workstation Configuration Step Action 7 Click Select Result The following window appears Application pool ASP NET 1 1 v Properties Net Framework Version 1 1 Pipeline mode Classic Select ASP NET1 1 and click OK Click OK in the Add application window 8 Click the OFS folder in the IIS manager window the icon changed and represents now the earth Result the following window appears View Help nnections f OFS Home yl SO OFSVISTA so ofsvistalofste F Applicaton pools FTP Sites IIS 4 E Web Sies poea a dna Defaut Web Si el all S aspnet cl Auheric Default Handler Modules SSL Setings a E OFS L J Document Mappings EI App_Data _ bin 1 casses B Doc FTP html Bi system ws Group by Area Edy 35008244 03 2009 69 Workstation Configuration Step Action 9 Double click the Authentication icon Result the following window appears Te ania 7 Actions a Authentification Group by No Grouping ih Name Status Response Type Edit Authentification Fea Anonymous Authentification Enabled Check that Anonymous authentication is enabled If not click Enable on the right
182. is Good Comments e the client application can determine whether the PLC has been reconnected by re addressing a synchronous read request to the group concerned e during the cyclic read of a group the quality of items Quality attribute will change from Bad to Good when the PLC is reconnected The feedback mechanism see page 202 describes the Quality attribute associated with an item 35008244 03 2009 317 Communication The OFS server allocates for e X Way a socket communication channel for each driver for PL7 or UNITY type devices and up to 16 sockets for XTEL or ORPHEE type devices e Modbus Plus a path to each device PM or up to 16 paths to each device DM e TCP IP non XIP and USB Up to 16 sockets to each device see page 324 NOTE Modbus Plus paths are opened and closed dynamically according to requirements Therefore even with only one SA85 card 8 DM paths it is possible to dialog with more than 8 devices 318 35008244 03 2009 Communication X Way addressing modes Description Example of access through a network Network 1 Station 1 Station 3 Station 2 Address 1 1 0 Address 1 2 0 Address 1 3 0 Addressing to 3 levels Allows a station connected to the network at any point of the X Way communication architecture to be reached Illustration Network Station Gate The Network and Station values make up the station add
183. isplays structures and arrays Concept or Unity Pro project file only 254 35008244 03 2009 Symbols Examples of filters TF Requests all symbols beginning with T B amp C Requests all symbols beginning with B as well as any possible associated comments UL For Concept or Unity Pro project file requests only unlocated variables MW1 Requests all variables with addresses beginning with MW1 T MX amp A amp C Requests all symbols beginning with T with addresses beginning with MX and requests the display of the address and comments So that the browse interface can go faster certain types of software require that all the symbols tables are opened when the browse interface is opened a symbols table can be preloaded when the server is started This option is selected with the configuration tool when an alias is created in the properties page NOTE When browsing Unity Pro symbols of ANY_ARRAY type only the first element of the table is visible 35008244 03 2009 255 Symbols Managing PL7 standard function blocks Reminder It is possible to modify the R W fields of a Standard Function Block e g Preset field of a MNi P Monostable only if the Function Block has the adjustable property Adjustable or non adjustable properties are assigned in the Configuration editor of the PL7 workshop During a write request from the R W field of a standard Function Block the
184. istency Level 119 Push data support 122 35008244 03 2009 117 The OFS configuration tool The Default devices folder Description This folder lists all the alias properties applied by default when an alias is created Illustration Default device settings General Preload settings NoPreload Symboltaktle Device Dynamic consistency Dynamic consistency Consistency level Strict Debug Option Simulated Read Only E Unlocated support Unlocated support i Communication information amp Push Data Service support v Available Initial value Zero Read from device Push Data area Base address 0 Size 0 Stamp option Quality check rate s 0 sal E Adjustment information Max channels 1 L Max Pending 0 F Device timeout ms 5000 Frame timeout ms 1000 A full set of default parameters of your choice can be set up so that property adjustment for each new alias created is minimized 118 35008244 03 2009 The OFS configuration tool Dynamic Consistency and Consistency Level Introduction Description To access the value of a symbolized object in the PLC memory the OFS server must know e The topological address associated with this object in the case of a located object e The address of this object in PLC mem
185. ity Pro can thus be used to access the database of one or more Unity Pro projects support symbols consult the symbols access the unlocated variables and structured data perform a dynamic consistency check with automatic reloading of the symbols where changes have been made to the PLC application NOTE Unity Pro and OFS Server may be on the same machine or different machines DCOM link whether it be under Windows Vista Windows XP or Windows 2000 35008244 03 2009 101 The OFS configuration tool Link with Concept Description OFS 3 33 supports the following versions of Concept e Concept 2 2 SR2 e Concept 2 5 SR2 and above To install the Concept link you must simply select the prj project file see File table see page 100 and see Symbol management see page 244 as symbols file for any device or group This prj file authorizes the consistency check application name and version between the symbol table file and the application in the PLC see page 119 The Concept workshop and the prj files should always be located on the same machine The OFS server can be located either on the Concept machine usual case or on another machine Remote Concept Link feature The same project can be used simultaneously with the Concept and OFS Workshop in Windows Vista XP 2000 as long as Concept is running in its own memory space 16 bit program In order to do this e edit the usual Concept shortcut properties
186. ke Up function should be pre programmed If this is not the case the notification mechanism may not be used The name of this Wake Up function is set by the OPC standard OnDataChange NOTE In the Wake up function processes that take up a significant amount of CPU time e g over complex display should not be performed as this may adversely affect the Operating System s performance e the OFS server notifies by group not individually by item That means that for a given group the OFS server sends the list of items whose value has changed to the client application Wake Up function In the case of a table type item the OFS server transmits the whole table even if only a subset of the elements has changed in value The following notions are associated with the notification service e Assignment of a scanning period RATE to a group this enables you to scan the PLC variables with different periods Example display the PLC time every second and display a temperature every minute e Allocation of a deadband to a group dead banding filtering of notifications when group variable values change Notification occurs if after the group scanning period variables have changed by more than a certain percentage with respect to their old value see chapter on Deadband see page 128 Example inform the client application only if temperatures have changed by more than 10 NOTE Deadbanding is only applied to floating point or i
187. ked Local Activation Allow checked e Remote Activation Allow checked 13 Click on OK to close the dialog box window 14 Click on OK to close the Policy Settings dialog box 15 Double click on the following Policy item Network access Let Everyone permissions apply to anonymous users 16 Set the value to Enabled 17 Click on OK to close the Policy Settings dialog box 35008244 03 2009 57 Workstation Configuration 6 2 Configuration of IIS stations Aim of this Section This section describes the authorization process for connecting to a Web site with IIS and ASP NET as well as the vocabulary used What s in this Section This section contains the following topics Topic Page Authorization to Connect to a Web Site 59 Configuring the IIS component Using Windows 2000 or XP 61 Configuring the IIS component Using Windows Vista 65 FTP Publication of the Site 72 Various Types of Access Windows 2000 XP only 78 COM DCOM Configuration 81 35008244 03 2009 Workstation Configuration Authorization to Connect to a Web Site Process The following figure describes the authorization process for connecting to a Web site Web Clients IP address and domain authorized No Yes Anonymous access No Authenticated user No ai Yes Launch the ASP NET application Imp
188. ld Item ID In our example we want to read and write a word Let us take for example the word 10 or MW10 The OFS Client syntax to enter in order to read or write a word is MW10 after the name of the alias Device_TCPIP see screen above 35008244 03 2009 177 Example of using OFS Step 4 Reading writing an item This step describes the procedure for reading or writing a value on a word The figure below shows the result of adding an item OFSDoc1 GRP1 OPC 2 0 E Field Value F Access Path F Active TRUE F Update ST 10 06 2002 13h22min08S F Quality Good 192 F Canonical Short F Tyoe Short F Access Rights Read amp Write F Eu Type None vo 18 The field Active means the item is refreshed periodically by a value change in the PLC The item is active when the indicator next to the item is green The field Good 192 means the value displayed is the current value in the PLC To write a value in this item click Item then Write Enter a number in the Value field and click OK 178 35008244 03 2009 Advanced User Guide VI Aim of this section What s in this Part The aim of this section is to guide you in the product s advanced features This part contains the following chapters Chapter Chapter Name Page 15 Concepts 181 16 Items 187 17 Variables 207 18 Symbols 237 19 The Diag Buffer 2
189. le When this option is selected a browse window allows to select a log file Query generator Adds data on the generated queries in the networks file Server mode Hidden The server is invisible on screen Control The server is indicated by an icon in the task notification bar only the reduced menu About and Exit is accessible by right clicking Diagnostic A complete set of diagnostic windows is displayed when the server is running including a plotting window displaying warning and or system messages Verbose The plotting window displays additional information messages The rest is identical to Diag mode This data can be used to solve a temporary anomaly for the support or an experienced user It is not recommended to use it in the operating phase as there may be a large number of messages 134 35008244 03 2009 The OFS configuration tool 8 9 The Simulator folder Aim of this Section The aim of this chapter is to introduce the simulator of the OFS product What s in this Section This section contains the following topics Topic Page The Simulator folder 136 Individual simulation of a device 137 35008244 03 2009 135 The OFS configuration tool The Simulator folder Presentation Description If the alias has been configured with the simulation property see page 105 any variable created on these devices is simulated by the server This folder defines the value var
190. le to delocalize processing among other things This API was developed to provide interoperability between existing OPC specifications and applications developed in the NET environment The API supports servers based on COM and SOAP XML via the same set of interfaces 35008244 03 2009 23 OFS Uses Access of a NET client Description An OPC NET client can access data on the OFS server via an intranet in a NET environment Illustration Ethernet TCP IP Network OFS server station NET client Windows 2000 XP Vista Windows 2000 XP or Vista NetFramework OFS EXE OPC NET API NOTE DCOM see page 81 must be configured correctly before launching remote operation NOTE Communication between the OPC NET client and the OFS server is managed by the DCOM layer or COM in a local configuration The standard OPC DA protocol is used for this communication 24 35008244 03 2009 OFS Uses Access for a SOAP XML Client Description A SOAP XML Client can access data on the OFS server via the SOAP XML protocol while respecting the OPC XML DA specification of the OPC foundation NOTE DCOM see page 81 and IIS see page 61 must be configured correctly before launching the operation SOAP XML Client via the Internet This architecture illustrates a possible Internet configuration for a SOAP XML Client Windows 2000 XP or Vista OFS Server Station OFS Web Station SOAP XML SOAP XML Cl
191. list of extensions check that the status of ASP NET v1 1 xxxx is set to Allowed If the status is set to Not allowed e Select the ASP NET v1 1 xxxx extension Click Edit Feature Settings on the right side of the window e Inthe Edit ISAPI or CGI restrictions window select the Allow extension path to execute checkbox Click OK 35008244 03 2009 71 Workstation Configuration FTP Publication of the Site Introduction Publish a FTP Site The Web data editor requires that an FTP site with the URL lt host gt ofs ftp be published NOTE The following procedure shows you how to publish a FTP site using Windows 2000 XP If you use Windows Vista the procedure is identical only the GUI changes The following table shows how to publish an FTP site Step Action 1 e Start IIS from the administration tools Right click Default FTP Site e Choose New Virtual Directory Result the IIS service window is displayed as shown below File Action View Help x ag g Internet Information Services EI RZP m il FP Site idi E amp Internet Information Services H a MY_PC local computer Web Sites E a Default Web Site Explore Open Browse Start Stop Pause All Tasks Rename Refresh Properties Help ie Name a ftp Virtual Directory I
192. ll be done when the client writes a valid ErrorlD in this item 284 35008244 03 2009 The Diag Buffer 7 For the deletion the OPC client requires the DiagResetError see page 274 specific item to the group The destruction will be done when the client writes a valid ErrorlD in this item The following screen shows the installation of specific items OFSDoc1 GRP1 OPC 2 0 e 0 Diag DiagLogout Diag DiagReadStatusU Diag DiagResetError Diag DiagRetriggError Diag DiagGetFitCse Diag DiagFitCseResult Diag DiagAckError HES Field Value F Access Path F Active FALSE F Update ST 30 12 1899 00h00min00S F quality Bad 0 F Canonical Uns Short F Type Empty F Access Rights Read amp Write F EU Type None e Anactive group this group must be created or activated after actual connection with the DiagLogon item New Group E3 Name I GRP2 r Notification y Initially active Notify ime M Initially notification created 7 Initially notification enabled Undate rate 1000 ms Dead banding 0 000000 0 0 1 0 OPC Version Cancel To reset the alarms coming from diag buffer the client needs to add the DiagReadNextErrorU see page 272 specific item to the group 35008244 03 2009 285 The Diag Buffer The screen below shows a 550 bytes table see page 287 in which the detected error see page 287 code of the a
193. ls remain accessible for reading and writing 35008244 03 2009 121 The OFS configuration tool Push data support Description As a general rule to update OPC items automatically the server sends some network requests to the PLC then waits for the PLC responses to update its internal data tables This is called polling the device In contrast the Push data feature corresponds to the spontaneous transmission of data by the PLC to the active server without any request having come from the server The data is regarded as being pushed by the PLC This feature is particularly worthwhile when the values of the data being monitored do not change very frequently This does however mean that specific processes have to be included in the PLC application for sending data This function is supported on TC PIP except ETY 120 Fipway and Ethway networks This feature can be enabled and configured PLC by PLC using the device see page 105 property page Data sent by the device to the server should fit within the Push data range that has been defined for this device Only one range can be defined for each device using the device see page 105 properties page Any number of OPC items can be defined within this range They are seen as ordinary OPC items The device has an option which can be used to send a timestamp see page 105 with the data used by the server to update the timestamp property of all items associated with Pus
194. m of this Section The aim of this section is to describe several features concerning symbols What s in this Section This section contains the following topics Topic Page The Different Groups of Items 239 Read Consistency 240 Write Consistency 241 Asynchronous Operation 242 Periodic Read Utility Installation 243 238 35008244 03 2009 Symbols The Different Groups of Items Description The OFS product has 2 types of groups e User Group e an item may be localized on any device e itis not possible to find out the number of requests needed to read the whole group e Any one part of a group may be read e the group is notifiable e the name of a group may be any string of characters e Synchronous Group e all items must be localized on the same device e itis possible to find out the number of requests needed to read the whole group specific items NbrRequest e even if the user executes the read function on a part of the group all items are read e the group is notifiable e itis not possible to add any specific items other than NbrRequest nor any local variables to a synchronous group e the declaration of items in the Push Data box is prohibited in synchronous groups it is impossible to guarantee that items in Push Data and items in polling will be updated synchronously e the group name must start with or e the device timeout for the devices in use in synchronous gro
195. mance PL7 devices Concept devices X Tel devices Device ORPHEE The tables below gives the size in bytes of data items in a single request for PL7 devices Communication medium Read Write XIP 248 244 XIP Ethway 1K 1 1016 1012 Ethway 248 244 Fipway 120 116 ISAway 230 226 Uni Telway 120 116 1 In this specific case several PLC cycles are required to access the values The tables below gives the size in bytes of data items in a single request for Concept devices Read Write Located variables 250 200 Unlocated variables for Concept 2 5 and later 244 1 Concept 2 2 unlocated variables 246 1 NOTE The frame length for a Concept device is fixed 256 bytes It does not depend on the communication media The tables below gives the size in bytes of data items in a single request for X Tel devices Communication medium Read Write Ethway 120 114 Fipway 120 114 Uni Telway 120 114 The tables below gives the size in bytes of data items in a single request for ORPHEE devices Communication medium Read Write Ethway 1022 1016 328 35008244 03 2009 Performance Use of groups Description Dividing items into different groups can have an effect on the construction of network requests For each device the items are separated into independent sets if necessary However the sets will not be determi
196. mode when the NbrRequest specific item associated with the group or the device equals 1 synchronous group only For more details refer to the section on performance see page 327 When the prefix is used before the name of a group the OFS server checks each time an item is added that the request number does not exceed the unit These are known as single request user groups During a write request if the number of items from a synchronous group exceeds the size of a request it will be refused in its entirety NOTE The maximum quantity of lodgeable items in a write frame is generally less than the lodgeable quantity in a read frame That is the reason why writing all of the items in a synchronous group can not be executed Th e OFS server Addltems primitive refuses to add the item and reports message if a single request group cannot be transcribed on a single request 240 35008244 03 2009 Symbols Write Consistency Definition The write primitive displayed by the OFS server allows one or several items to be written in a group at the same time Obviously the items must be modifiable NOTE During a write request the OFS server overwrites the old values present in the PLC The client application must take charge of the preliminary overwrite confirmation if this is necessary If during a write request concerning several items there is some overlapping between items you shouldn t be able to see what the write
197. munication information Driver information E Adjustment information Device timeout ms 5000 Frame timeout ms 1000 Max channels 1 Max Pending 0 In this example the alias is associated with a Concept Q project with a Modbus index of 33 on a gateway with the IP address 139 175 80 40 This device used the gateway parameter values Max channels and Max pending The parameters can only be modified in the gateway alias properties not in the alias For this type of alias the Push function is not supported 110 35008244 03 2009 The OFS configuration tool XWAY Gateway The illustration below shows an example of a gateway type alias KWAY Gateway Device name XWAY Gateway Device name XWAY Gateway Device address XWAYG 29 Communication information Driver information Adjustment information Max Pending 10 Field Description Maximum Maximum number of authorized requests pending responses for a device pending where the server sends several requests in parallel 0 by default The illustration below shows an example of a gateway device type alias Device name Device Gateway Device name Device Gateway Device address XIPO1 0 2 0 29 U ie General Symbol table file Preload settings No Preload Symboltable Device Option O Simulated O Read Only Comment Commun
198. n Uni Telway only with the following restrictions e read operations only e access to a single word or x bits within 16 consecutive bits 18 35008244 03 2009 OFS Uses The tables below describes the OFS 3 33 compatibility with devices in the Schneider Electric SA range and the different networks PREMIUM MICRO Series 7 Series 1000 Ethway TSX ETY 110 Ethway TSX ETH107 ETHO30 TSX ETH 200 Modbus TSX ETY110 TCP IP TSX ETZ410 TCP IP TSX ETY410 TCP IP TSX ETZ510 Built in channel TSX ETY510 TCP IP Uni Telway Built in channel Built in channel TSX SCM22 TSX SCP11 TSX SCP11 Fipway TSX FPP20 PCMCIA TSX Pe7455 TSX FPP20 TSX FPP20 ISAway ISA Bus PClway PCI bus Modbus TSX SCP11 TER CPU port TSX SCM22 JB cardse Modbus TSX MBP100 TSX MBP100 Plus USB Built in channel USB Fip Built in channel USB Fip QUANTUM MOMENTUM COMPACT M340 Modbus 140NOE 771 171CCC96030 BMX NOE0100 TCP IP Built in channel 171CCC98030 BMX NOE0100 Built in channel Modbus Built in channel 171CCC760 Built in channel Built in channel 171CCC780 e Modbus Built in channel Built in channel Plus 140NOM211 USB Built in channel 35008244 03 2009 19 OFS Uses Different Access Modes for Server or Simulator Description There are three access modes for the OFS server e A purely local mode e Amode via a classic DCOM n
199. nation In this case try to use short file names for example C OFS instead of C Program Files Schneider Electric OFS Server Target device Premium Performance is greatly inferior to that expected and or indicated in the documentation Make sure e that you have not inadvertently checked the X Tel option in the properties page e the OFS is configured to obtain optimum performance For example if devices are accessed via different types of network and a lower performance network is used on somewhere on the network path E g Access via XIP then UNITELWAY The parameters which may have an influence on communication performance are e the number of requests sent in parallel e the frame timeout 35008244 03 2009 355 Appendices returned E_NOINTERFACE for server Schneider Aut OFS appears when an OPC client tries to connect to the server Component Anomaly Remedy Server The message It generally appears when you have chosen not to Installation Querylnterface IID_lOPCServer restart the PC after installation Restart it Server Detected Error codes Messages referenced by a numerical code are displayed in the diagnostics window or in the client A decoding program is supplied run scoder exe from the server s installation directory configuration Server The message cannot connect to local Check that the cc2cat is installed correctly and Concept link cc2cat
200. ned by the groups themselves but by the update periods of the groups Illustration Groups Items associated with a period E E e the groups do not influence the generation of network requests declaring items in two different groups with the same period is the same in terms of the requests generated as declaring items in a single group e requests are generated not within a group but within batches made up of items belonging to groups with the same period In summary 35008244 03 2009 329 Performance Optimizing requests Description Optimization is carried out individually for each set of items see page 329 corresponding to a device and a frequency Optimization algorithms follow two stages Compacting grouping in tables of items of the same type which have similar or consecutive addresses For writing this regrouping is only carried out if the items are strictly consecutive From the original items you obtain a list of elements to send to the PLC to read or write Compacting is also applied for non located data if the version of Concept used is 2 5 or higher On Series 7 type PLCs compacting is not carried out for unitary bits For bit tables it is only carried out if their number is multiplied by 8 Concatenation construction of requests by optimizing the possibilities offered by the protocol Certain protocols let you define access to several objects of different types in the same request OFS autom
201. nication with a device for instance before modifying the device that will cut communication to avoid timeouts or others If the value written is 1 the items related to that device will become Bad immediately since the server will stop sending requests to that device If the value written is 0 the server will once again send all the requests to the device and the items should become Good again within a few seconds Name Type Access Can be activated MaxChannel VT_l2 R W Yes This item is related to the multi channel see page 324 feature Even if itis possible to create it for any device it is not practical to do so for all types of device You can ascertain the maximum number of channels currently configured for this device by carrying out a read Its value may be the result of the off line configuration see page 105 You can set the maximum number of channels that can be used to communicate with the device by carrying out a write You can either decrease or increase the value and it will be taken into account rapidly allowing the results of the tuning of the number of channels to be viewed immediately This item is an adjustment parameter that allows you to find the best efficiency in order to achieve a permanent configuration using the configuration tool Modifications above all for reducing the value may cause temporary disruption to communication Name Type Access Can be activated
202. nowledged 1 not acknowledged or acknowledgment not requested bit 2 Type of alarm with or without acknowledgment 0 acknowledgment not requested 1 acknowledgment requested e Number of the zone to be monitored PLC zone from where the diag buffer retrieved the anomaly Grafcet anomalies always belong to the common zone 310 35008244 03 2009 The Diag Buffer Specific information sent back by the Diag buffer in the table Specific data types Diag buffer specific data There are two types of specific data e DFB specific data e other specific data Specific DFB Length of comment bytes comment Length of instantiated name bytes instantiated name Length of the type of DFB bytes type of DFB Length of the program address program address The diagram below describes the Variable Size Specific data section for classes between OFS_DIAG_CLASS_DFB_EV_DIA and OFS_DIAG_CLASS_DFB_SYSTEM_IO see Definition of the contents of the table page 309 Size in bytes 1 variable 1 variable 1 variable 1 variable 35008244 03 2009 311 The Diag Buffer Definition of the contents of the table e Length of comments comments The first part gives the length of the comments and then the DFB message e Length of the instantiated name instantiated name The first part gives the length of the instantiated name then the DF
203. nteger variables The aim of these two concepts is to enable the user to control limit the flow of notifications sent to the client application to avoid overloading the system 184 35008244 03 2009 Concepts Symbol consultation Description The OPC Browse Interface is supported by the OFS product This enables users to browse symbols available for a given PLC provided that the OPC Client used supports the Browse interface This is an easy way to determine which variables can be created for a given device Browsing structures and tables are available when the programming language includes these object types e g Concept programming tool NOTE Only devices declared with the Configuration Tool and associated with a Symbol Table can be browsed NOTE When browsing Unity Pro symbols of ANY_ARRAY type only the first element of the table is visible 35008244 03 2009 185 Concepts 186 35008244 03 2009 Items 16 Aim of this Chapter The aim of this chapter is to introduce operations on OFS variables What s in this Chapter This chapter contains the following sections Section Topic Page 16 1 Items under OFS 188 16 2 Detected Error management 201 35008244 03 2009 187 Items 16 1 Items under OFS Aim of this Section The aim of this section is to describe OPC items What s in this Section This section contains the following topics
204. number NOTE The memory organization is identical to that of internal variables The S lt i gt and SX lt i gt data are not used for detection of edges and do not manage forcing These variables are contained in the application specific modules Access syntax Syntax Example Program access rights 1 0 structure CH lt mod gt lt c gt CH4 3 2 R lODDT Inputs l for Premium PLC Module error bit l lt mod gt MOD ERR l4 2 MOD ERR R Channel error bit l lt mod gt lt c gt ERR 14 2 3 ERR R Bit l lt mod gt lt c gt 14 2 3 R l lt mod gt lt c gt lt d gt 14 2 3 1 R Word IW lt mod gt lt c gt IW4 2 3 R IW lt mod gt lt c gt lt d gt IW4 2 3 1 R 35008244 03 2009 213 Variables Syntax Example Program access rights Double word ID lt mod gt lt c gt 1D4 2 3 R ID lt mod gt lt c gt lt d gt ID4 2 3 1 R Real floating point IF lt mod gt lt c gt IF 4 2 3 R IF lt mod gt lt c gt lt d gt IF 4 2 3 1 R Outputs Q for Premium PLC Bit Q lt mod gt lt c gt Q4 2 3 R W Q lt mod gt lt c gt lt d gt Q4 2 3 1 R W Word QW lt mod gt lt c gt QW4 2 3 R W QW lt mod gt lt c gt lt d gt PQW4 2 3 1 R W Double word QD lt mod gt lt c gt QD4 2 3 R wW QD lt mod gt lt c gt lt d gt QD4 2 3 1 R W Real floating point
205. number of sockets available depends on the communication medium Service Pack operating system corrections and upgrades Identifier attributed by a designer to a control system For example PUMP A symbol cannot start with the prefix U Universal Naming Convention 35008244 03 2009 363 Glossary VB VBA Wintel WSDL XML Visual Basic consumer language supporting OLE Automation Visual Basic for Applications Script language using Basic syntax included in the MS Office Suite W Windows Intel describes a PC equipped with a 32 bit Windows operating system and an Intel x86 processor Web Service Description Language provides a basic model in XML format for describing Web services X eXtensible Markup Language is an derived extensible meta language used for structuring data 364 35008244 03 2009 Index A Access Intranet client 24 Local 20 Remote 20 SOAP XML Client 25 addressing X Way 319 Addressing modes Direct 323 Adjustment Timeout 116 Alias Address 96 Archive 90 Definition 89 Editing 95 Management 145 Properties 105 anomaly solution 354 C Channels 108 109 Client 2000 53 XP Vista 56 Communication OFS with PLCs 18 Communication cable 29 Compatibility Drivers 42 Previous version of Configuration Tool 144 Compatibility OFS server 350 Concept Link 102 259 Remote link 260 configuration COM 81
206. o or PL7 type PLCs NOTE If the programming tool is connected to the device the exclusive reservation performed by PL7 Unity pro or Concept may stop the modification of the operating mode of the PLC Modbus Plus devices have Data Master DM or Program Master PM modes To modify the PLC operating modes of certain devices it may be necessary to use PM mode 200 35008244 03 2009 Items 16 2 Detected Error management Aim of this Section The aim of this section is to introduce you to detected error management What s in this Section This section contains the following topics Topic Page Feedback Mechanism 202 Objects outside Software Configuration 205 35008244 03 2009 201 Items Feedback Mechanism Description e the feedback mechanism consists of three parts e description of the result of the call execution of a primitive e the description of the validity of an item Quality flag e the availability of a GetErrorString primitive used to call up the description label of an event from its code see page 351 e result of calling up a primitive e All the methods offered return a detected error code The programming language used to carry out the OPC client can use it as a detected error code or trigger an exception usually languages using OLE Automation e g Visual Basic In particular this means that an event detected by a function type primitive is not indi
207. objects via table syntax is an extension as far as PL7 language is concerned Reminder Macro steps are only available on PCX Premium version 3 0 or higher Additional information on macro step tables e Xj i L syntax reads several consecutive steps number L of the macro step j Example X1 0 3 corresponds to X1 0 X1 1 and X1 2 e The syntax of a particular step IN or OUT in a macro step j reads this step for several consecutive macro steps number L Example X1 IN 3 corresponds to X1 IN X2 IN and X3 IN X1 OUT T 3 corresponds to X1 OUT T X2 OUT T and X3 OUT T 35008244 03 2009 225 Variables 17 4 Concept variables on OFS Aim of this Section The aim of this section is to introduce you to the different concept variables on OFS What s in this Section This section contains the following topics Topic Page Variables concept 227 Relationship between Concept variables and IEC 61131 229 226 35008244 03 2009 Variables Variables concept Definition State Ram Objects Range Access Coils Ox R W Input status 1x R Input Reg as UINT 3x R Holding Reg as UINT 4x R W Holding Reg as UDINT 4x R W Holding reg as REAL 4x R W Symbols are supported throughout and all variables are represented by symbols as there is no address syntax in the Concept language Relation between Concept basic data types and OPC data types
208. obtain these maximum and minimum values directly from the programming tool PL7 Concept Unity Pro XTEL or ORPHEE Example AnalogType 1 0 1 0 The max limit of an analog type 1 0 in the above example is called Engineering Unit high bound Eng high bound unit The min limit 1 0 is called EU low bound Eng low bound unit e notion of a usual notification range which corresponds to the difference between the max limit and the min limit defined for an analog type In the previous example The usual range of variation of the AnalogType is 2 1 0 1 0 e notion of notification threshold which conditions the transmission of a notification to the client application notification is transmitted if and only if the difference in absolute value between the value read and the last value sent is above this threshold The threshold value of an analog type is calculated by applying the deadbanding value defined for the group to the usual variation range of this type Deadbanding is a percentage variation between 0 i e 0 and 1 0 i e 100 To summarize for an analog type the notification condition is as follows ABS Value read Last value sent gt Deadbanding Max limit Min limit NOTE All notifications are sent if the deadbanding is 0 default value In the previous example 35008244 03 2009 131 The OFS configuration tool If the deadbanding value assigned to the group is 10 the notific
209. obtained in the same way as for a Premium but having first converted the application to Premium format The only restriction is that no consistency check will be possible with the application loaded in the PLC Clicking in the Symbols table file attached box in General part for the selected alias brings up a file explorer Open Pix Lookin Erm ooa E Project 1 xvm My Recent Documents My Documents s My Computer a My Sait File Name Project1 xvm z Open ee Files of ype UnityPro exported symbols table file XVM Y Cancel UnityPro exported symbols table fles XVM UnityPro project file STU Comma Separated Values file CSV FIS The file types that can be inserted are listed in the type of files list box Select the appropriate file type Enter the file of your choice and click Open The file name and directory will then be displayed NOTE The path locating the symbol file contains neither extended characters nor unicode characters 100 35008244 03 2009 The OFS configuration tool Link with Unity Pro Description To install the Unity Pro link via the OFS server select the stu project file see Associating a Symbols Table File page 100 and see Symbol management page 244 as symbols file for any device or group This stu file authorizes the consistency check application name and version between the symbol table file and the application in the PLC see page 119 The direct link with Un
210. of the client interface The Diag buffer see page 266 is a feature which detects faults on monitored elements and transmits messages to the visualization system known as the viewer These messages are stored in the PLC s buffer memory NOTE The diagnositc System or Application must be enabled in the application for Dag Buffer functioning Diag Buffer functions authorize access to PLCs using specific items The table below shows the specific items Service Item Type Access Value read Value to write Open DiagLogon VT_UI2 READ WRIT Viewer or OxFFFF zone number connection E identifier Close DiagLogout VT_Ul2 READ WRIT Viewer or OxFFFF not important connection E identifier Read next DiagReadNextErrorU VT_UI1 VT_ARRAY READ Detected error detected error Message DiagAckError VT_Ul2 WRITE Detected error acknowledgm ID number ent see Information retrieved by the Diag buffer at the top of the table page 288 Evolution DiagReadStatusU VT_UI1 VT_ARRAY READ WRIT The result buffer On Write user Status E from the data sent sent to OFS the by write address and the length to read an ushort for BlockID an ulong for offset in block and an ushort for size to read Delete a DiagResetError VT_Ul2 WRITE ErrorlD detected error in PLC 35008244 03 2009 269 The Diag Buffer DiagBuffer in PLC Service Item Type Access Value read Value to
211. ograms at the top left of the window 3 Select Windows Components Result The following window appears Windows Components Wizard x Windows Components Wizard You can add or remove components of Windows XP To add or remave a component click the checkbox A shaded box means that only part of the component will be installed To see whats included in a component click Details Components v neme Bplorer S Maj iv g Internet Info 12 0 MB ES Outlook Express 0 0 MB 2 Iv Update Root Certificates 0 0 MB ag Description Includes Web and FTP support along with support for FrontPage transactions Active Server Pages and database connections Total disk space required 13 1 MB Space available on disk 4263 0 MB Details lt Back Cancel Check IIS Services and click details Check FTP Services Select World Wide Web Services Click Details 35008244 03 2009 61 Workstation Configuration Step Action 7 Click World Wide Web Services 8 Confirm your choices by clicking OK then OK 9 Then click Next to start the IIS installation During the installation the following window may appear Files Needed x Some files on Windows XP Professional Service Pack 1 ox Se CD are needed Cancel Insert Windows XP Professionnal Service Pack 1 CD into the drive selected below and then click OK Copy files from C i386 gt Browse
212. oject file 4 cc Concept exported symbols table fle 5 CSV Comma Separated Values fle 6 FIS Comma Separated Values fle 7 STU UnityPro project file 8 XVI UnityPro exported symbols table file T9 XSY Located exported symbols table fle Define or edit an extension To define or edit an extension you have to follow the procedure described below Step Action 1 Create a new entry 2 Enter an extension then press Return Double click on the corresponding field in the Symbol Type column Result A list appears 4 Select a file type 138 35008244 03 2009 The OFS configuration tool 8 11 The PLC Software folder The PLC Software folder Description This folder allows you to define the settings in relation with PLC Software Dynamic consistency Cyclic consistency check rate s E Project files options Unity project files stu Allow multiple connections to the project Symbol table Reload Database The following table describes the available options Option Function Dynamic consistency Cyclic consistency check rate s If this option is checked in device properties the database reloading and period parameters are used to define the action on the database and the frequency of the consistency check Project tiles options Unity project files stu With this option the OFS s
213. ome your comments about this document You can reach us by e mail at techcomm schneider electric com 35008244 03 2009 11 12 35008244 03 2009 Introduction to the OFS product 35008244 03 2009 OFS Product Introduction 35008244 03 2009 Uses of the OFS product Aim of this Chapter The aim of this chapter is to introduce to you the uses of the OFS OPC Factory Server product What s in this Chapter This chapter contains the following topics Topic Page Introducing the OFS Server 16 Communication with PLCs 18 Different Access Modes for Server or Simulator 20 Software components and terminology 23 Access of a NET client 24 Access for a SOAP XML Client 25 35008244 03 2009 15 OFS Uses Introducing the OFS Server General The OFS product OPC Factory Server is a multi controller data server which is able to communicate with PLCs of the TSX Compact micro TSX Momentum TSX PCX Premium Quantum M340 TSX Series 7 and TSX S1000 families in order to supply the OPC clients with data The OFS product provides client applications with a group of services methods for access to variables of a target PLC OFS is compatible with versions OPC 1 0A and OPC 2 0 It will function with an OPC client up to version 2 0a and with two types of OPC software i e e Supervisory software see distributor offer The OFS server plays the role of a drive
214. omment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_MMI_LALREADY_CONNECTED The viewer is already connected OFS_E_DIAG_BUFFER_FULL Diag buffer is full OFS_E_DIAG_TOO_MUCH_MMI All possible viewers 15 are connected NOTE To monitor all zones write the value FFFFh or 0 in DiagLogon DiagLogout specific item Type Access Can be activated Limitation VT_UIl2 R W no This item allows PLC disconnection Value to write e not important Value returned after read e if the disconnection is successful the OxFFFF value is returned if not the viewer number is returned again Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_BUFFER_FULL Diag buffer is full OFS_E_DIAG_WRONG_MMI_ID The viewer identifier is not valid outside range 1 to 15 OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected NOTE Destruction of the DiagLogon item will automatically disconnect you from the viewer without using the DiagLogout item 35008244 03 2009 297 The Diag Buffer DiagReadNextError specific item Type Access Can be activated Limitation VT_UI1 VT_ARRAY R yes This items enables you to read errors in the diag buffer memory Value to write e nothing Value returned after read e errors saved in the form of a 120 byte table
215. on manager contains the server s Library Type Server EOL_E_OPEN_SYMBOLS_FAILURE If you have not given an absolute path for the file check that the Symbols option is correct in the registry If you have not defined this option check that the C OPC_SYMB directory exists and that it contains your file If you have put a space after in the group name then it must be removed For example grpName symb scy becomes grpName symb scy 356 35008244 03 2009 Appendices OFS manager Component Anomaly Remedy Server Unoperational declaration of an item and Check in the device s alias address that the X Tel Target device display in the X Way path Answer label is present validation of the X Tel API Series 7 Thread Invalid Protocol UNITE V1 for parameter in the assisted address entry screen Answer 253 Server The Device Identity field shows Ifitis a type S1000 device this is normal the PLC s Ethernet module does not return any identification even when the connection with the device is open Server Message X Way Build Request for The Uni Telway driver is adjusted with too low a Uni Telway UNTLW01 0 254 0 No Free Socket number of slave addresses This can be changed appears frequently in the diagnostics depending on the number of requests used window Server The quality attribute of the The handle of the OPC client which contains the Diag buffer DiagRead
216. or configuring the driver of the OFS configuration tool Device address wizard DIRECT T ModbusSerial Nt as UNITY OPL TEL ORPHEE CONCEPT US odbusTCPGateway R TCP IP mg Sh Gateway MODBUS Index TcPIP 182 24 106 84 DSN PCMCIA zamam a PC TG ETI USBX Sc xc IAY Gateway p 4 NOFINOM M ALIAS ACCESS MBT 182 24 106 84 U Reset This screen will help you configure the alias It is divided into 4 zones e zone 1 shows all the available drivers e zone 2 shows data for each driver e zone 3 enables you to identify the type of PLC in use e zone 4 displays the final data of the alias address In this example we will be communicating using the TCP IP protocol e in zone 1 click in front of Direct then TCP IP e in zone 3 define the type of PLC in this case Unity Pro e validate the parameters by clicking OK You should see the address of the alias MBT 182 24 106 84 U 174 35008244 03 2009 Example of using OFS Step 4 properties of the alias Once the alias is created you can set up other properties in Alias properties on the OFS configuration tool The following screen shows the main window of the alias properties Device name Device Gateway Device name Device Gateway Device address IBT 182 24 106 84 U General Symbol table file
217. order will be Write optimizers focus on performance rather than transmission order Example If the write concerns items MW0 5 and MW0 the values provided by the 3rd element of a MW0 5 item and by the 2nd item MW2 are taken into account but the final value will be one or the other Consistency of the variables with each other during a write operation Write consistency is guaranteed when the data to write is lodged in the same network request i e either table type variables or same type variables whose addresses are contiguous and whose total size does not exceed the maximum see page 327 size for a request 35008244 03 2009 241 Symbols Asynchronous Operation Description In asynchronous operation mode a request for any asynchronous operation receives an immediate response That does not mean that the operation requested has been completed but that it has either been refused incorrect code response or that it is underway correct code response The completion and the outcome of the operation will be announced using the notification mechanism In order for this to occur this mechanism must be activated before using asynchronous operation The following are the four operations e Read e Write e Refresh e Cancel Read Write Similar to asynchronous operation with the same name same functions same restrictions Refresh Requests notification of all the values in progress of all t
218. ory in other case The correspondence between the symbols and the topological addresses is done in 3 different ways e Through a file exported from UnityPro software XVM exported file type e Through directly by the UnityPro software STU file type e Through directly from the PLC The OFS server provides different mechanisms to manage the consistency between the OFS application and the PLC These mechanisms depend on e The PLC type e The synchronization type by XVM file by UnityPro or directly by the PLC e The consistency level Strict Debug Dynamic consistency check The dynamic consistency control function is available on PLCs configured with the Concept link see page 102 or the Unity Pro link see page 101 or the Unity Pro file of exported XVM symbols see page 247 This function allows the server to check at regular intervals the consistency between the application loaded in the PLC and the currently open Concept or Unity Pro symbols database Thus by using both Concept and OFS or Unity Pro and OFS under Windows Vista XP or 2000 uploading several modifications to the PLC using Concept or Unity Pro will cause after several seconds closing and reloading of the Concept or Unity Pro database by the OFS server this function is available under Windows Vista XP and 2000 The automatic loading function can be deactivated see PLC Software folder see page 139 In this case reloading may be performed manuall
219. ot Not significant significant NbrRequest R R R R R R MaxChannel R W Not available R W R W Not Not available available Deviceldentity R Not available Not available Not Not Not available available available ApplilD R Not available Not available Not Not Not available available available AppliOMC R Not available Not available Not Not Not available available available OFSStatus R R R R R R PLCQualStatus R R R R R R 35008244 03 2009 199 Items PLC operating mode management Description The PLC operating mode can be controlled using the specific item PLCStatus The modification of any PLC operating mode by the server can be enabled disabled using the Configuration tool see page 140 Changing the operating can change the system behavior A WARNING UNINTENDED EQUIPMENT OPERATION Keep strict access to the embedded server by configuring passwords Failure to follow these instructions can result in death serious injury or equipment damage The current operating mode of the PLC is viewed by reading the PLCStatus specific item Since this item can be activated it is possible to monitor the PLC operating mode using it The current operating mode of the PLC is modified by writing the PLCStatus specific item The following values are associated with the different operating modes of the PLC STOP 0 RUN 1 INIT 2 Non operational for ORPHEE type PLCs Non operational for Unity Pr
220. ot allow the use of symbols 104 35008244 03 2009 The OFS configuration tool Setting the alias properties Presentation General settings Now that the alias has an address it is necessary to adjust its property settings These parameters will allow the behavior of the server to be adapted for the associated alias For each alias that is declared it is possible to set up the following parameters use of a symbols table file access rights to the variables simulation or real access to the device consistency check between variables and data base waiting time before Time Out symbol pre load function for better performance during alias run time number of channel reservations automatic data write operations from the device itself The Configuration Tool provides a property dialog box for this purpose Select the alias in the device overview The general settings display this way Device name Concept_PRJ Device name Concept_PRJ Device address MBT 129 80 100 23 1 Q General Symbol table file D Application_PLC Simulated symbol file Simulated fle Database access Local Remote Preload settings NoPreload Symboltable Device Dynamic consistency Dynamic consistency Consistency level Strict Debug Option Simulated Read Only Using Data Dictionary Modbus Concept Unlocated support
221. ow offers a menu bar and a tool bar e File menu e The New Device Alias option will allow you to create new devices e The Open Archive option will allow you to restore a configuration from a backup file See also the compatibility paragraph see page 144 e The Save Archive as option is used to save the server settings and the aliases and their properties in a file This option is recommended if a large number of aliases has been declared e The Save configuration option will allow you to save all the changes you have done which will be taken into account after the next server starting up e The Print Preview option will allow you to preview your printing e The Print option will allow you to print or sent in a text file all the parameters e Edit menu Access to copy paste and delete functions for the device Alias e View menu Allows you to view the list of configured devices in several modes see below e Settings menu Allows you to choose the soft language English French or German of the configuration tool e Help menu Allows you to access to help while using OFS product NOTE If a previous version of the configuration tool was installed and aliases already created a compatibility dialog box will appear the first time the program is run which allows existing aliases to be restored See the Compatibility see page 144 paragraph for further details NOTE To retrieve an OFS configuration created with a version of OFS ol
222. plication change even minor This mechanism is associated with the Strict level of consistency and allows linking a SCADA application to a PLC application disabling automatically the communication of even a minor change detected in the PLC This mechanism is not available when the user selects the direct synchronization by the PLC To install the Unity Pro link via the OFS server you must simply select the stu project file see File Table see page 100 and see Symbol management see page 244 as symbols file for any device or group This stu file authorizes the consistency check application name and version between the symbol table file and the application in the PLC see page 119 The Unity Pro workshop and stu files can be located on different machines The OFS server can be located either on the Unity Pro machine usual case or on another machine The same project can be used simultaneously with the Unity Pro workshop and OFS using Windows Vista XP amp 2000 NOTE In case of direct UnityPro utilisation the security of UnityPro must not be set to ON Otherwise the mandatory login will not be activated by the UnityPro server 258 35008244 03 2009 Symbols Concept Link Description Installation of the Concept link is only possible with Concept 2 2 SR2 or above To install the Concept link you must simply select the prj project file see Associating a Symbols Table File page 100 and see Symbol managemen
223. quest Any write will modify the server internal parameter for this device Name Type Acces Can be Value read s enabled Deviceldentity VT_BSTR R No PLC product reference ID Application signature Name Type Access Can be Value read enabled ApplilD VT_l4 R Yes 8 ID values maximum can be read VT_ARRAY 5 ID can be read to date e 1 CID Creation e 2 MID Overall modification e 3 AID Automatic modification e 4 LID Memory availability e 5 BLOCKID DID Data blocks OMC Object modification counter Name Type Access Can be Value read enabled AppliOMC VT_I4 R no No 16 OMC counters maximum can be VT_ARRAY _ polling read 8 OMC can be read to date 1 Overall application Program Configuration Type definition Variables Animation table Communication Functional modules eee ee ANOaRWND 35008244 03 2009 197 Items This item allows monitoring the communication activity of a device Name Type Access Can be Value read enabled PLCQualSt VT_I2 R Yes e QUAL_BAD atus QUAL_COMM_FAILURE if the device is INCONSISTENT the SymbolFile is different than the PLC application e QUAL_BAD QUAL_DEVICE_FAILURE if no more communication for DEVICE_TO milliseconde e QUAL_BAD if the device is MISSING or UNKNOWN e QUAL_GOOD if communication with the PLC occurs correctly The val
224. r The Quality attribute of an item is a value on 8 bits composed of 3 fields Quality Substatus and Limit B7 B6 B5 B4 B3 B2 B1 BO Quality Substatus Limit To obtain the detected error code which corresponds to the field concerned it is advisable to apply the appropriate extraction mask and to study the value thus obtained e the Limit field 2 bits is not managed e the Quality field 2 bits which designates the validity of an item s value B7 B6 Quality Meaning 0 0 Bad The value of an item is incorrect for the reasons shown in the Substatus field 1 1 Good The value of an item is correct 0 1 Uncertain An anomaly has been detected on the item but it is still too early to set it to Bad Transitional status e the Substatus field 4 bits which provides details on the Quality field and whose significance varies according to the value Bad Good of the Quality field The Substatus field for the Bad value of the Quality field B5 B4 B3 B2 Substatus Meaning Validity value 0 0 0 0 Non specific Incorrect value with no specific 0 reason various causes 0 1 1 0 Communication Incorrect value due to a 24 interuption communication interuption with the PLC The Substatus field for the Good value of the Quality field B5 B4 B3 B2 Substatus Meaning Validity value 0 0 0 0 Non specific Correct value No particular
225. r Manual Remote Procedure Call RPC Automatic Security Accounts Manager Automatic Double click on a service to edit and change the Startup Type if needed DCOM machine default configuration Step Action 1 From the Start menu choose Run and run DCOMCNGF 2 Expand Console Root Component Services Computers My Computerand right click My computer to open the My Computer Properties dialog Click the Default Properties tab The following parameters must be set e Enable Distributed Com on this computer must be checked e Default Authentication Level is set to Connect e Default Impersonation Level is set to Identify Click the COM Security tab Click the Edit Defaults in Access Permissions Click on Add enter Everyone local account then click on OK INIO a In the Access Permission dialog check that permissions for Everyone are e Local Access Allow checked e Remote Access Allow checked 9 Click on OK to close the dialog box window 11 Click on Edit Defaults in Launch and Activation Permissions 12 Click on Add enter Everyone local account then clock on OK 54 35008244 03 2009 Workstation Configuration 13 In the Launch and Activation Permissions dialog check that permissions for Everyone are e Local Launch Allow checked e Remote Launch Allow checked Local Activation Allow checked e Remote Activation Allow checked 14
226. r by providing communication with all devices supported by Schneider Electric SA e Custom developed supervisory software using either the OLE Automation interface or the OLE Custom interface NOTE Knowledge of one of the following languages is required when creating a client application for the OFS in particular for OLE Automation OLE Custom programming and exception management e Microsoft Visual Basic version 6 0 SP3 or above e Microsoft Visual C version 6 0 SP3 or above e Microsoft VBA in Excel version 8 0 Office 97 or higher e Microsoft Visual C The illustration below shows an OFS interface Client Server OL F Automation OLE Automation PLC 1 Quantum PLC 2 Premium 16 35008244 03 2009 OFS Uses The OFS server provides the interface between Schneider PLCs and one or more client applications These applications are used to view and or edit the data values of target devices The main features of the OFS product are the following Multi device multiple communication protocols multi client access to devices and variables by address or symbol access to the server in local or remote mode use of a notification mechanism enabling values to be sent to the client only when they change state The server offers two modes for exchanges with the PLC The default classic polling mode or the Push Data mode where data are sent at the initiative of the PLC This mode is recommended
227. r number is displayed if the connection is open if not the connection is not established and OxFFFF is returned Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_MMI_LALREADY_CONNECTED The viewer is already connected OFS_E_DIAG_BUFFER_FULL FULL Diag buffer is full OFS_E_DIAG_TOO_MUCH_MMI All possible viewers 15 are connected NOTE To monitor all zones write the value FFFFh or 0 in DiagLogon 35008244 03 2009 271 The Diag Buffer DiagLogout specific item Type Access Can be activated Limitation VT_Ul2 R W no This item allows PLC disconnection Value to write e not important Value returned after read e if the disconnection is successful the OxFFFF value is returned if not the viewer number is returned again Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_BUFFER_FULL Diag buffer is full OFS_E_DIAG_WRONG_MMI_ID The viewer identifier is not valid outside range 1 to 15 OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected NOTE Destruction of the DiagLogon item will automatically disconnect you from the viewer without using the DiagLogout item DiagReadNextErrorU specific item Type Access
228. ration 0 0 0 0 cette 52 6 2 Configuration of IIS stations 1 0 0 0 eee 58 Authorization to Connect to a Web Site 0 0 eee eee 59 Configuring the IIS component Using Windows 2000 or XP 61 Configuring the IIS component Using Windows Vista 65 FTP Publication of the Site 2 2 eee eee 72 Various Types of Access Windows 2000 XP only 78 COM DCOM Configuration 0 saaa cee eee 81 Chapter 7 OFS as an NT service 0 000 cece eee eens 83 OFS as NT Servie 2 ert eed eee ai ee OT ieee a 83 Part lV User Guide iii ota cee ewww tee ee Oe tes 85 Chapter 8 The OFS configuration tool 00 0eeeeeeee 87 8 1 Introducing the Configuration Tool 0 0 0 eee eee eee 88 OFS Configuration Tool a sassa cc eee 89 Configuration Tool Execution 0 0 0 0c cee cee ee 90 8 2 Configuration tool a s a aasa teas 91 Introducing the configuration tool 0 eee eee eee 91 8 3 The Alias older irene et aii ete ee be ee ees bed als 94 Introduction to the standard parameters for editing aliases 95 Editing the Device Network Address 20 000 eee eee 96 Associating a Symbols Table File 00 00 c eee eee eee 100 Link with Unity Pro 1 gra pi a ha E DE EE A ai 101 Link with Concept 0 000 c cece ete eee 102 Support of symbols gt tiressi iip cc tees 104 Setting the alias properties 0 0 0 0 cece eee 105 Tunin
229. reate an active group add the item DiagReadNextErrorU an inactive group ame BRP t sS sSOOSOSCSOSSSSC CsiC sSOSSSSC Notification T intially active Update rate 1000 ms Iv Initially notification created Dead banding o cco000 0 0 1 0 I Initially notification enabled OPS Version Auto Iy Notify time 1 To connect to the diag buffer the OPC client must add the DiagLogon see page 270 specific item to the group The connection is established when the OPC client writes and validates the zone number of the PLC to be monitored in this item If the write is successful the client obtains its viewer identifier number by carrying out a read 1 if it is the first connected 2 To disconnect from the diag buffer the OPC client must add the DiagLogout see page 272 specific item to the group The disconnection will be carried out when the client writes any value in this item 3 For acknowledgment the OPC client requires the DiagAckError see page 273 specific item in the group 4 To update the Diag Buffer status the OPC client needs to add the DiagRead StatusU see page 274 specific item 5 To get the FaultCause system message the OPC client requires the DiagGetFitCse to write and the DiagFltCseResult see page 276 to read 6 To retrigger the list of FaultCause the OPC client requires the DiagRetrig gError see page 278 specific item to the group The retrigg wi
230. ress e Network value between 1 127 or 0 my network e Station value between 1 63 or 254 my station or 255 diffusion The value Gate refers to the communication entity within the station system server Gate 0 the most common the terminal port Gates 1 2 3 1K asynchronous server Gate 7 etc In the case of multiprocessor stations such as PLCs each processor module built into the system can support communication entities frame routing requiring supplementary addressing levels inter station routing capabilities PLC processor modules are situated in the PLC s racks or offset on field buses 35008244 03 2009 319 Communication Addressing to 5 levels It is generally used for devices connected on a Uni Telway bus Illustration Network Station Gate 5 Module Channel e Module physical location of the communication module in the rack Its value must be defined as follows Master rack number 16 Number of master module e Channel address of the device connected to the communication module Its value must be defined as follows Master channel number 100 slave AdO number Addressing to 6 levels This is similar to addressing to 5 levels It was created for extended services FIPIO communication module integrated in rack Illustration Conn Network Station Gate 8 Selector ection Reference point
231. rformance Supported I O modules e Only the following I O modules are supported the families TSX DEY TSX DSY TSX DMY TSX DEZ TSX DSZ TSX DMZ the families TSX AEY TSX ASY TSX AEZ TSX ASZ TSX AMZ and the Momentum and TBX families 338 35008244 03 2009 Performance 21 2 Dynamic Performance Dynamic performance Introduction The dynamic performance of OFS depends on several parameters and can be measured according to several characteristics configuration response time read write response time volumes of data exchanged sensitivity to anomalies and along two lines OFS communication with devices and OFS communication with OPC clients In certain cases it is necessary to configure different OFS parameters to obtain better performance For example if devices are accessed via different types of network and a lower performance network is used on somewhere on the network path Below we provide you with the server adjustment parameters which have an influence on performances for OFS communication with devices Multi channel feature On half duplex networks see page 324 this parameter can be used to send several requests to a device simultaneously The higher the value the better the performance you will obtain for communication with the device Specific item The number of requests sent see page 194 in parallel to a device see specific item NbrMaxPendingRequest This parameter is calculated automatically
232. s Notifications Sent ltems Notified Async Requests Async Read Async Write Async Refresh Bad Qualities OPC v1 OPC v2 0 Total Connections Total Groups Total Items PG Ticks Version 0 0 0 01757028 3 32 000C0 156 35008244 03 2009 The OPC Factory Server Network Window In diagnostic mode or extended diagnostic mode the server provides the list of active frequencies corresponding to the various frequencies of the declared groups For each group it provides the number of declared items and the number of network queries generated To do this open the Network windows window from the General menu OPC Factory Server Diagnostic Window General Edit Misc Windows Help Ae amp Am wa Network Window B ia amp amp Networks amp Devices a xr 116 31 P31 Device Status GOOD an Worse Access Time 601 ms 1270 amp Last Access Time 100 ms 2289 i Average Access Time 80 ms 2289 Nb Var Desc 1013 Freq Desc Nb 2 8 600 ms Nb Custom Req 00 Nb Varman Req 1 a Nb Var 23 B 1000 ms Nb Custom Req 00 Nb Varman Req 2 Nb Var 990 DiagBuffer connections nb 0 amp O Timers al 35008244 03 2009 157 The OPC Factory Server 158 35008244 03 2009 The OFS simulator 12 Simulator mode Description Simulator
233. s exactly the same features as the normal Concept link The only difference is that the Concept machine where the Concept programming tool and the Concept project files are situated is not the one on which the OFS server or the simulator is launched These machines must be linked by DCOM usually on TCP IP An OFS server with a license or an OFS simulator DEMO mode must be installed on the Concept machine An appropriate DCOM configuration must be carried out in order to enable access to this server which is called proxy server On the OFS machine when specifying a Concept project open the device properties page in order to check the appropriate remote Concept option the proxy server is either an OFS server or an OFS simulator and give the complete access path of the Concept machine The path of the Concept project must be the same as that seen by the proxy server on the Concept machine it must begin with the letter of a drive followed by the complete path 260 35008244 03 2009 Symbols 18 4 Symbols management through Direct PLC link Direct resynchronization Direct resynchronization of PLC symbol database Thanks to the new application memory block Data Dictionary generated by UnityPro V4 0 and thanks to specific requests allowing to get the address of variable from PLC OFS is able to resynchronize the changing address of the variable after an online modification of the user of UnityPro connected to th
234. s gt lt variable name gt lt analog type name gt Note The space before the character is optional Example of an item definition FIPO1 0 31 0 MF330 AnalogType Comments e itis possible to have the same item twice in the same group e g MF330 with and without the analog type suffix AnalogType so as to be able to compare the effect of dead banding for notification filtering e Itis possible to have items of different analog types in the same group i e several analog types referenced in the same group 35008244 03 2009 133 The OFS configuration tool 8 8 The Diagnostic folder The Diagnostic folder Description This folder defines the settings for diagnostic feature Here is an illustration O Log trace OverWrite Log file Diagnostic CADiagFile log oe Symbol manager Networks YL CANetFile log s Query generator Server mode Hidden Control Diagnostic Verbose The table below describes the fields of the OFS configuration tool Field Description OverWriteLog Overwrite the log files every time the server is started file Diagnostic Activates the corresponding log trace file When this option is selected a browse window allows to select a log file Symbol manager Adds data on the symbol files in the Diagnostic file Networks Activates the corresponding log trace fi
235. s of node 7 PM 7 or DM 7 35008244 03 2009 323 Communication 20 2 Multi Channel Feature Multi Channel Feature Description Certain communication protocols are half duplex networks which means that after sending one request the server should wait for the answer before sending the next request This is the case for most protocols used by OFS except on X Way Unity or PL7 type PLCs The only way to speed up communications is to open several channels between the sender and the receiver You may open between 1 and 16 channels for each device and you may configure that number either statically with the OFS Configuration Tool see page 105 or dynamically with the specific MaxChannel item The value that gives optimal performance depends on the PLC being accessed number of requests it can process per cycle and the communication card being used notably on Concept type PLCs To obtain this data please refer to the PLC and communication card documentation NOTE The multi channel function is not significant for Unity Pro or PL7 type PLCs using an X Way network full duplex protocol or with a serial Modbus driver single channel only for all PLC types NOTE For Uni Telway the maximum number of channels is linked to the number of slaves declared in the Uni Telway driver configuration NOTE The specific item NbrMaxPendingReq cannot theoretically be greater than the number of channels open on a half duplex protocol
236. s of the items are always in good 248 35008244 03 2009 Symbols PL7 Exported Application File Procedure To create such a file using the PL7 software proceed as follows e Open the application with PL7 e Use the File gt Export Application menu to create the file The exported file authorizes the consistency check application name and version between the symbols table file and the application in the PLC see Setting the alias properties page 105and see page 139 Consistency is checked only at device startup If there is any inconsistency all items of the device are positioned with the Quality field set to Bad The OFS server does not use the configuration data of this file 35008244 03 2009 249 Symbols CONCEPT exported symbol table file Procedure To create such a file using the Concept workshop open the application with Concept use the File gt Export menu select Variables text delimited do not select a section e create the file with the CCN see page 100 extension The two other choices in the File Export menu Variables Factory Link and Variables Modlink should be avoided Only access to located variables is possible using this kind of file since it does not contain the necessary information to access unlocated variables For the same reason access to structured variables is not possible 250 35008244 03 2009 Symbols MODSOFT exported symbol table file Description
237. s to 1024 bytes The PLC application must be set up in periodic and not cyclic mode It sets the gate to 7 which limits addressing to 3 levels Moreover the data are no longer accessed synchronously with the PLC cycle In certain cases this may lead to a lack of data consistency Minimum communication profile This option is accessible for PLCs other than Unity When not checked by default the OFS server adjusts the communication parameters optimally in order to dialogue with the associated device though performance losses may occur during the adjustment When checked the server uses the default communication parameter values and no adjustment is performed Direct address parameters The direct addressing principles are explained in the Communication see page 323 section Ed Device address wizard f DIRECT bus TCP PCMCIA AWAY CIWAY pi TCP IP ETHWAY SBX NITELWAY FP XWAY Gateway Program master busSerial PLCs UNITY OPL OXTEL ORPHEE CONCEPT Gateway TCP IP DS Gateway TCP IP MODBUS Index DSN ModbusPlus Data master 2 3 4 5 6 ____ Optional Nodes NOE NOM NWM Adapter number 04 Minimum communication profile ALIAS ACCESS PATH MBPLUS01 0DM2 3 4 5 6 U Reset 98 35008244 03 2009 The OFS configuration tool The table below describes the fields relative to direct
238. sages causes an increase in the taken up by OFS EXE amount of memory used up to 4 Mb This is normal By closing the HMI windows of the server the memory is freed up Server The message CoCreatelnstance This appears when the MSVCP60 DLL component Installation returned REGDB_E_CLASSNOTREG for is missing or is not installed correctly Put this DLL Server Schneider appears when an OPC in the Windows directory and reinstall the server client tries to connect to the server Server With Concept 2 5 while opening the Consult the file ConceptLink Version2 Concept link symbols file the message SdkConcp 5 Readme txt 35008244 03 2009 357 Appendices Accessing items consecutive bits on a Premium PLC is not possible Component Anomaly Remedy OPC client All the items in a group are set to Quality This status can result from the addition of a non Address format of Bad 24 existent item in the target device E g reading the items MW10000 when in the PLC words only go up to 8000 Here you must delete items outside the zone Server When writing a large number of items the These messages appear due to the fact that the Writing items following messages appear in the write operation lasted longer than the authorized diagnostics window SyncWriteFailure time limit Increase the frame time out for the followed by Write Error devices concerned Server Absence or delay in the notification of
239. sed ASP NET Impersonation Delegation Impersonation is the execution by ASP NET of code in the context of an authenticated and authorized client By default ASP NET does not use impersonation it executes code under the account of the ASP NET process which is typically the ASP NET account This is contrary to ASP behavior which uses impersonation by default In IIS the default identity is the NetrworkService account NOTE Impersonation may impact performance and scalability In general itis more inefficient to impersonate a client than to make a direct call Like impersonation delegation enables a server process to run using the client s login information However delegation goes further in authorizing the server process to call other computers in the client s name to access remote resources 60 35008244 03 2009 Workstation Configuration Configuring the IIS component Using Windows 2000 or XP Introduction After installing Web station on the machine the user must validate the Web server functions of the machine via the IIS component The IIS configuration must be defined manually on the Web Station machine NOTE to access the ASP NET features IIS must be installed with the latest security updates and before NET framework Installing IIS The following table describes installation of IIS Step Action 1 In the Start menu select Control Panel 2 Select Add or Remove Programs then Change or Remove Pr
240. see page 307 Value returned by the item HRESULT Comment S_OK Read successful no modification is recorded in the 120 byte table S_OK Read successful modifications recorded in the 120 byte table the anomaly has been acknowledged or has disappeared S_OK Read successful a new table has been created a new anomaly has appeared OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_BUFFER_FULL Diag buffer is full OFS_E_DIAG_WRONG_MMI_ID The viewer identifier is not valid outside range 1 to 15 OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected DiagAckError specific item Type Access Can be activated Limitation VT_Ul2 Ww no This item allows alarm acknowledgment Value to write e the value on 2 bytes corresponding to the Identification number zone starting by a read of the highest ranking bit the first two bytes in the table E g the value returned in the Identification number zone of the DiagReadNex tError item table is such that Var 0 04h Var 1 05h The value to write in the item DiagAckError is 0504h 298 35008244 03 2009 The Diag Buffer Value returned after read e nothing Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_BUFFER_FULL Diag buffer is full OFS_E_DIAG_MMI_NOT_C
241. ser will get a new buffer for this alarm on DiagReadNextError item Value to write e the value on 2 bytes corresponding to the Identification number zone the second and third byte from zero of the table Value returned after read e nothing Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected 274 35008244 03 2009 The Diag Buffer HRESULT Comment OFS_E_DIAG_WRONG_ERROR_ID Non authorized anomaly identifier OFS_E_DIAG_ERROR_NOT_USED No element corresponds to this identifier DiagResetAll specific item Type Access Can be activated Limitation VT_Ul2 WwW This item allows the drain of PLC buffer NOTE Doing so all viewers are disconnected User will have to use again DiagLogon to get new alarm Value to write e not important Value returned after read e nothing Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected 35008244 03 2009 275 The Diag Buffer DiagGetFltCse specific item Type Access Can be activated Limitation VT_Ul2 Ww no This item prepares FaultCause iden
242. spended You must then install IIS and restart the Web extension installation procedure see page 61 The installation program then proposes e Net framework the Net framework installation is proposed in version 1 1 if that version is not already supported on the machine This version is the one that was used to check the correct operation of the Web station e OFS Web Site provides data via tables to the Web Client such as the editor and the data viewer and the server status page e OPC XMLDA 1 01 Web services provide the Web services specified by the OPC Foundation in version 1 01 based on the standardized XML data format protocol and exchanges between clients and servers At this stage of installation you must configure see page 63 IIS according to the site s security and access NOTE In any case IIS must be installed before Net framework If Net framework 1 0 or 1 1 is already present on the machine when installing IIS you must first uninstall it NOTE The OFS server must also be installed on the station that hosts the OFS Web site 40 35008244 03 2009 Product installation procedure Web Client JVM checking Description This installation checking is only available with the Large version of the OFS product e JVM install policy verification the installation of the JVM is proposed in version 1 5 0 if JVM is not already installed or if the installed version is earlier than 1 4 2 e Interne
243. status 0 which means that in the type the value status 0 will be read If the value is 4 itis status 0 amp status 1 which means that in the type status 0 amp status 1 will be read e Class coded on 1 byte determines the class of the anomaly The table below gives the definition of the code retrieved in this byte Symbol Value Comment OFS_DIAG_CLASS_DFB_EV_DIA 0x40 EV_DIA detected error OFS_DIAG_CLASS_DFB_MV_DIA 0x41 MV_DIA detected error OFS_DIAG_CLASS_DFB_NEPO_DIA 0x42 NEPO_DIA detected error OFS_DIAG_CLASS_DFB_ALARM 0x43 ALRM detected error OFS_DIAG_CLASS_DFB_USERA 0x4A USER DFB detected error OFS_DIAG_CLASS_DFB_USERB 0x4B USER DFB detected error OFS_DIAG_CLASS_DFB_USERC 0x4C_ USER DFB detected error OFS_DIAG_CLASS_DFB_USERD 0x4D USER DFB detected error OFS_DIAG_CLASS_DFB_USERE Ox4E USER DFB detected error OFS_DIAG_CLASS_DFB_USERF Ox4F USER DFB detected error System detected error class OFS_DIAG_CLASS_DFB_SYSTEM_ASIO 0x80 STGENE of ASI_DIA detected error OFS_DIAG_CLASS_DFB_SYSTEM_ASI1 0x81 STSLABS of ASI_DIA detected error OFS_DIAG_CLASS_DFB_SYSTEM_ASI2 0x82 STSLKO of ASI_DIA detected error OFS_DIAG_CLASS_DFB_SYSTEM_ASI3 0x83 STSLNC of ASI_DIA detected error OFS_DIAG_CLASS_DFB_SYSTEM_IO 0x84 IO_DIA detected error New characteristic of the PL7v4 OFS_DIAG_CLASS
244. t page 244 as symbols file for any device or group This prj file authorizes the consistency check application name and version between the symbol table file and the application in the PLC see page 119 The Concept workshop and the prj files should always be located on the same machine The OFS server can be located either on the Concept machine usual case or on another machine Remote Concept Link feature The same project can be used simultaneously with the Concept and OFS Workshop in Windows Vista XP amp 2000 as long as Concept is running in its own memory space 16 bit program In order to do this e edit the usual Concept shortcut properties e inthe Shortcut tab check the Run in Separate Memory Space box With OFS more than one Concept project can be used at once as long as they are from the same version of Concept In order to do this simply create the aliases required and for each of these select a different project file OFS software when used with the stripped Quantum executable file will not read non located variables If you envisage using non located variables e the Quantum executable MUST NOT be a stripped version e IEC runtime must be activated on the PLC e the unlocated support option must be checked in the properties page Otherwise no access to any unlocated variable will be performed 35008244 03 2009 259 Symbols CONCEPT Remote link Description The remote link offer
245. t Explorer verification if no Internet Explorer is installed on the machine or if the version is too old earlier than IE5 1 the installation program asks the user to update the machine to the required level 35008244 03 2009 41 Product installation procedure Driver Installation Description Drivers are installed using their specific CD ROM The OFS server can use drivers already installed on your machine provided that they are not too old The compatibility table below indicates the minimum version you should have installed to be sure that OFS will operate properly Use of OFS with older versions is neither supported nor guaranteed NOTE It is compulsory to install the Driver Manager except for use with TCP IP in direct IP addressing Compatibility Table Drivers Minimum version depending on operating system Windows 2000 XP Windows Vista 32 Uni Telway 1 10 2 0 FliPway FPC10 1 4 Not supported FiPway PCMCIA 1 2 Not supported ISAway 1 2 Not supported Ethway 1 5 Not supported X Way TCP IP 1 11 2 0 PClway PCX 57 14 2 0 USB HE terminal port PCX 57 1 2 2 0 Modbus Serial 1 8 2 0 USB Fip 1 0 2 0 42 35008244 03 2009 Registration OFS Authorization Authorize OFS The following table describes the PC authorization procedure to use OFS without any restrictions 35008244 03 2009 43 Registration Step Action The window
246. tch file which can be found in the directory which contains the server s executable file 3 Uninstall the product If you want to delete OFS as an NT service but want to keep OFS installed proceed as follows Step Action 1 Stop OF service 2 To cancel OF service registration on the NTservice run the OFSNoService bat batch file which can be found in the directory which contains the server s executable file 3 Start the DCOMcnfg tool Select the Schneider Aut OPC Factory Server application then Properties then Identity and check The Interactive user box Confirm close DCOMcnfg and restart the machine 84 35008244 03 2009 User Guide IV Overview The purpose of this section is to guide users in the product s various features What s in this Part This part contains the following chapters Chapter Chapter Name Page 8 The OFS configuration tool 87 9 The OFS manager tool 145 10 The OFS Test Clients 149 11 The diagnostics screens of OPC Factory Server 155 12 The OFS simulator 159 13 The OFS server WEB site 161 35008244 03 2009 85 User Guide 86 35008244 03 2009 The OFS configuration tool Overview This chapter introduces the tool for configuring the OFS product What s in this Chapter This chapter contains the following sections Section Topic Page 8 1 Introducing
247. te the value to force the operating mode of the PLC To do this the Change PLC Status see page 200 option must have been checked in the Communication folder of the configuration tool NOTE Using the PlcStatus is very costly You are strongly advised to insert this item within a group with a large period Name Type Access Can be activated RefreshDevice VT_l2 R W No This item is designed to manage the consistency between the symbol table file and the application in the PLC If the value 1 is written to this item the server will read the application name and version from the Device If this item is read the server will perform a consistency check between the application name and version already read from the device and the same information from the symbol table file open for that device The value returned can be no check was performed no symbol table information or device information everything is OK and consistent application names are not consistent application versions are not consistent applications are different but the symbols are consistent OUN O 196 35008244 03 2009 Items Name Type Access TimeOut VT_l2 R W Its value expressed in ms is only related to one device defined by its path This value represents the Frame Timeout which is the time the server will wait for an answer from the device after it has sent a re
248. the Device address attached box Gea that corresponds to the alias selected Field Description Tree view 1st level X Way or Direct addressing depending on the network being used The Other family is reserved for future extensions 2nd level Type of network Alias address Displays the alias string as the result of the selections In Read Only for X Way or Direct addresses in Read Write for other protocols Reset Erases the string Cancel Exit screen without taking into account the choices made OK Exit screen taking into account the choices made Notes e The USBX driver is reserved for Unity PLC e The X Way drivers do not support the CONCEPT PLC 96 35008244 03 2009 The OFS configuration tool X Way parameters The illustration below shows the X Way see page 319 addressing modes Device address wizard ef DIRECT TOP IP lodbusPlus ag x Ort Pa z Zm P PCMCIA AWAY CIWAY CP IP THWAY SBX NITELWAY jonn Pi T E exer FP USB lodbusTCPGateway R lodbusSerial PLCs UNITY PL O XTEL ORPHEE CONCEPT Network Address Addressing 3 level 5 level t Station 6 level 1 gh ETV WAY Gateway Instance number 1K Service XWAY Gateway Index Min mum communication profile ALIAS ACCESS PATH XIPO1 1 2 3 4
249. the OFS server by copying the I O objects to standard objects NOTE The size of the data range configured should be at least equal to the quantity of data sent by the device NOTE On TCPIP OFS listens to port 502 Schneider TCP Port Some Schneider tools also use this port especially the PLC simulator They should thus not be started on the same machine as OFS NOTE e Ona Premium using TCP IP the PC extension number must be equal or greater than 100 in the configuration of the Ethernet module in order to specify the use of the Modbus TCP protocol e Ona Quantum the communication function blocks use only located variables 126 35008244 03 2009 The OFS configuration tool 8 6 The Devices without Aliases folder Devices without Aliases folder Presentation The Devices without Aliases folder displays as follows Devices without Aliases o General Option Simulated Read Only Unlocated support Unlocated support amp Communication information Adjustment information Max channels 1 Device timeout ms 5000 Frame timeout ms 1000 Description The options to be chosen here are the same as in the device overview see page 113 The selections made here are applied only to the devices created without aliases or aliases created dynamically with OFS Manager at server run time 35008244 03 2009 127 The OFS configura
250. the following pages use the test client supplied on the CD For more information on the OPC client see the OFS Client see page 150 section 35008244 03 2009 303 The Diag Buffer Procedure for installing the diag buffer As a general rule you need to create two groups per OPC client and then observe the following sequence e create an inactive group e add the specific items DiagLogon DiagLogout DiagAckError DiagReadStatus e connect to the zone to be monitored use of DiagLogon e create an active group e add the item DiagReadNextError e an inactive group ame GRP1 r Notification F Initially active Update rate 1000 ms M Initially notification created Dead banding 0 000000 0 0 1 0 IY Initially notification enabled OPS Version Auto IF Notify time Cancel 1 To connect to the diag buffer the OPC client must add the DiagLogon see page 296 specific item to the group The connection is established when the OPC client writes and validates the zone number of the PLC to be monitored in this item If the write is successful the client obtains its viewer identifier number by carrying out a read 1 if it is the first connected 2 To disconnect from the diag buffer the OPC client must add the DiagLogout see page 297 specific item to the group The disconnection will be carried out when the client writes any value in this item 3 For acknowledgment the OPC cl
251. tification Value to write e the value on 2 bytes corresponding to the Identification number zone the second and third byte from zero of the table Value returned after read e nothing Value returned by the item HRESULT Comment OFS_E_DIAG_OK OK OFS_E_DIAG_NO_BUFFER Diag buffer not activated OFS_E_DIAG_MMI_NOT_CONNECTED OPC client not connected OFS_E_DIAG_WRONG_ERROR_ID Non authorized anomaly identifier OFS_E_DIAG_ERROR_NOT_USED No element corresponds to this identifier DiagFltCseResult specific item Type Access Can be activated Limitation VT_Ul2 R no This item allows read of FaultCause name Value to write e nothing Value returned after read e an array of byte containing the all the name of FaultCause each name is encoded like e first and Second bytes are number of FaultCause Name e third and fourth bytes are TotalLen for name part For each name the first byte is length of the name then one byte for each characters of the name 276 35008244 03 2009 The Diag Buffer Example of result buffer Byte N Value Signification 0 1 Word value Low byte High Byte 1 Fault cause 1 0 2 12 Word value Low byte High Byte 12 bytes used after this field 3 0 4 11 11 characters in the name
252. ting group OPC AUTOMATION ItemsCollection Addltem or Additems OPC CUSTOM IOPCltemMgt Addlitems READ or WRITE of group ITEMS OPC AUTOMATION ptr ASyncRead group or ptr ASyncWrite group OPC CUSTOM IOPCASynclO2 Read or IOPCASynclO2 Write destruction of existing GROUPS this may include the destruction of all items contained within these groups OPC AUTOMATION GroupCollection Remove or RemoveAll OPC CUSTOM lOPCServer RemoveGroup closing the CONNECTION with the OFS server OPC AUTOMATION Disconnect OPC CUSTOM lOPCServer Release Cyclic read of a group of items Installing periodic read for a group of items requires the use of a notification mechanism set up by carrying out the following additional operations 1 Activation of a group and at least one of its items Subscription to notification service Regular receipt of notifications waken function Cancellation of subscription to notification service aJ amp Deactivating groups and items NOTE The above information is only needed for the creation of new personalized applications 344 35008244 03 2009 Advice Recommendations At a Glance This chapter contains several recommendations to enable optimum use of the server As a general rule you should remember that the limit on the number of items that are simultaneously accessible is linked to the communication resources
253. tion tool 8 7 The Deadband folder Aim of this Section The aim of this section is to describe deadband management of an analog value What s in this Section This section contains the following topics Topic Page The Deadband folder 129 Description of the Deadband mechanism 131 Installation of the Deadband in a client application 133 128 35008244 03 2009 The OFS configuration tool The Deadband folder Description Deadband is a percentage of the range of values that an analog variable can take If the value exceeds the range the cached value is updated and the server sends a notification It is part of the Group attribute and so is applied to every variable of that group and considered as the notification criterion when the value changes This folder defines the settings for deadband feature Max Deadband X Max Min Min 3 Deadband settings Index Analog Type Name Min Value Max Value gt 0 MyDeadBand 1 1 The range can be adjusted here for each variable whether floating or integer with minimum and maximum values You can add or delete entries by using the contextual menu mouse right click over the table NOTE The Configuration tool will not allow a value less than that entered in the Min value field to be entered in the Max value field 35008244 03 2009 129 The OFS configuration tool Definition Deadbanding is associated with the cyclic reading
254. tocol that is used for exchanging files between computers and the internet G Global Assembly Cache contains all assemblies necessary for NET and manages different versions of assemblies H Single value identifying the object HyperText Mark up Language is the language used to describe Web pages 360 35008244 03 2009 Glossary HTTP IDE IIS Impersonation JRE LCID Multi clients HyperText Transfert Protocol is the protocol used for transferring HTML pages Integrated Development Environment is a program that includes a code editor a compiler a detected error analyzer and a graphic interface Internet Information Server is the ftp Web or HTTP server developed by Microsoft to work under Windows Ability to execute a thread with a different security context than that of the thread s owner in a client server application When a client contacts a server the server typically runs with the security context of some service account that has access to every resource that it might possibly need to carry out a request J Java Runtime Environment is a subgroup of the Sun Java development kit that may be embedded in an application JRE provides minimum conditions an environment for running a Java application L Language Code IDentifier Several client applications simultaneously access the same server application 35008244 03 2009 361 Glossary OFS OLE OPC OPC group OPC it
255. trieved by the Diag buffer at the top of the table page 308 Evolution DiagReadStatus VT_UI4 READ WRITE StatusO Status1 Status handle Status Type corresponds to OPC standards VT variable UI1 unsigned integer on 1 byte Ul2 unsigned integer on 2 bytes Ul4 unsigned integer on 4 bytes ARRAY table of bytes 35008244 03 2009 295 The Diag Buffer DiagLogon specific item Type Access Can be activated Limitation VT_Ul2 R W no This item enables connection to the PLC Firstly the number of the zone that you wish to monitor must be indicated on the PLC between 0 and 15 by carrying out a WRITE function Example of a write on DiagLogon Single Value x Data Types Char Uns Char Short Uns Short Val i C Long Uns Long sue f Float Double Bool Error Currency Date f String Value to write e bit i 1 the zone is displayed e bit i 0 the zone cannot be displayed Bit 0 corresponds to zone 0 bit 15 corresponds to zone 15 Examples e to monitor zone 6 write the value 0040h e to monitor zones 2 and 15 write the value 8004h Value returned after read e the viewer number is displayed if the connection is open if not the connection is not established and OxFFFF is returned 296 35008244 03 2009 The Diag Buffer Value returned by the item HRESULT C
256. tween accessing a real device and device simulation is made device by device in the properties page of the device see page 105 The conditions for use are the same as for simulator mode setting the parameters for animation of the variables from the simulation folder of the configuration tool 35008244 03 2009 137 The OFS configuration tool 8 10 The Symbols folder The Symbols folder Description This folder provides a list of file name extensions associated with the symbols tables This list may be completed by new extensions up to a maximum of 12 suffixes You must attach the new suffix to one of the existing 8 types of symbol files In addition to the 10 predefined and no modifiable first symbol extensions you can add or delete entries by using the contextual menu right click over the table The extensions are saved to the memory even when the server is uninstalled and or reinstalled However for this to happen one condition must be observed they must be entered when the grid contains extensions which have already been set by the server If you are starting out with an empty grid server never installed they risk being overwritten during installation of the server Illustration Symbol table file lIndex Suffix Symbol Type gt Newen y PL7 exported symbols table fle PL exported symbols table file X Deleted entry ModSoft exported symbols table file K PRJ Concept pr
257. ty 35008244 03 2009 263 Symbols Versions Compatibilities The automatic synchronization feature of PLC symbols is available for the following versions UnityPro cpu OFS M340 V4 0 V2 0 V3 33 Premium V4 0 V2 6 V3 33 Quantum V4 0 V2 6 V3 33 not available for Safety CPU For this feature to work properly it is mandatory that UnityPro PLC CPU and OFS have the minimum version level listed above If one or more of the concerned items is not at the right version it is necessary to update the concerned item to get this automatic synchronization feature of PLC symbols NOTE Due to communication limitation and because the Data Dictionary is generated from UnityPro the automatic resynchronization is available with the devices using TCP IP direct driver over Ethernet network allowing communication requests of 1024 bytes length and UNITY PLCs As well the safety CPU doesn t implement the data dictionary NOTE In case of XVM or STU not up to date in comparison with the downloaded PLC application a variable can still be not found in the symbol export file or in the UnityPro project files and the result rejected even if this is present in the data dictionary embedded in the CPU For this reason it is strongly recommended to check the Project autosaving on download option through Tool Option menu in UnityPro project NOTE When Using Data Dictionary is checked t
258. ue of these items is a copy of the Application signature ID and the object modification counters OMC read in the PLC This can be used to feed back internal changes made by Unity Pro on generation of the application Some of these signatures are modified each time you generate an application others are positioned only when the application is created These items are used to detect an application modification or to check their consistency for example in a complex use of Diag Buffer Each signature is written in a double word DWORD Generally to detect an application modification ApplilD is enabled then AppliOMC is read to precisely determine the modification type AppliOMC cannot be enabled only read The OFSStatus specific item is reserved for internal use only 198 35008244 03 2009 Items Specific items supported on PLCs The table below shows the specific items available on the different PLCs Unity PL7 PLCs on PL7 and ORPHEE CONCEPT XTEL ORPHEE PLCs X Way PLCs on non X PLCs PLCs PLCs networks Way networks AppliName R R Not available R Not Not available available AppliVersion R R Not available R Not Not available available PicStatus R W R W Not available R W R W Not available DisableDevice R W R W R W R W R W R W TimeOut R W R W R W R W R W R W NbrMaxPendingReq R W R W R W R W R W R W RefreshDevice R W R W Not available R W N
259. ups must be set to 0 this function must not be used number of requests limited to 1 The creation of items is prohibited when the maximum size of a read request is reached A write request is refused when the items in the group targeted for reading exceeds the maximum authorized size it should be noted that a write request because it contains both the description of the items and the values to be written is more restrictive as far as number of items is concerned any number of requests all linked to the same device A synchronous group may include the specific item NbrRequest which enables the user to find out the number of communication requests needed to read all of the items in the group This item is read only and may be read at any time without needing to physically read the group no time used up on network communication This item can only be used in a synchronous group NOTE The system group see page 350 function is used for compatibility reasons only Avoid this as much as possible it is of no use for an ordinary group 35008244 03 2009 239 Symbols Read Consistency Definition Consistency of a group of items The OFS server guarantees that all the items in a group are consistent with each other i e read in the same PLC cycle if and only if the group is transcribed ona single request This means that the client application can be sure of the consistency of the items accessed in read
260. ur action by displaying the following dialog box Click Continue User account Control a Windows need your permission to continue User account control stops unauthorized changes to your computer If you started this action please continue ia Microsoft Management Console Microsoft Windows Component Publisher Details Continue Cancel Installing IIS Follow this procedure to install the IIS component in Windows Vista environment Step Action 1 In the Start menu select Control Panel 2 Select Programs and Features then Turn Windows features on or off at the top left of the window Result The Turn Windows features on or off window appears 35008244 03 2009 65 Workstation Configuration Step Action 3 Select the following item Turn Windows features on or off To turn a feature on select its check box To turn a feature of clear its check box A filled box means that only part of the feature is turned on O Games M Internet information Services M J FTP Publishing Services ial FTP ljanagement Console EA FTP Server Web managementtools iss is om is am ts BIER World wil Management Compatibility IS 6 Management Console IS 6 Scripting Tools IS 6 WMI Compatibility IS Metabase and IIS 6 configuration compatibility lanagement Console anagement Scripts and Tools lanagement Service d Web Services GD Application Dev
261. us Plus or NWM FactoryCast HMI Web Server communication module and only in these three cases When this box is checked OFS uses Modbus requests to access located data and these modules are able to process four times more requests in a PLC cycle Only the topological objects MW MD and MF are supported if the box is checked However Unity protocol requests can sometimes prove more advantageous to use as they are more economical in terms of umber of data exchanges with the PLC see page 330 If your performance is OK it is recommended that you do not check this box Minimum This option is accessible for PLCs other than Unity communication When not checked by default the OFS server adjusts the communication profile parameters optimally in order to dialogue with the associated device though performance losses may occur during the adjustment When checked the server uses the default communication parameter values and no adjustment is performed 35008244 03 2009 99 The OFS configuration tool Associating a Symbols Table File Description A symbols table file can be associated with the alias in order to provide access to the symbols for the variables of this device The symbols file is generated by the PLC programming software Unity Pro for Premium and Quantum PLCs PL7 for Premium Micro PLCs or Concept for Quantum PLCs For the devices of the Series 7 and S1000 ranges the symbols file can be
262. utput objects on PL7 devices 337 Dynamic Performance 0 cece eee 339 Dynamic performance 0 0 cece ett eens 339 Developer Guide 000 e cece eens 341 AOVICE lt 3 ccs eindes ek eas Sa tesisamensadedeees weds 343 Programming je sia es eels Feta Pe pea a OEE aE 344 Recommendations 0 00 c eee tte 345 ADPDGNGICeS cir ii inn teehee pees fase aa a 347 Appendices i s Fee a eed ove nd Se ite a ae eats 349 Compatibility of the OFS server 0 0 0 aaaea anana 350 OFS server compatibility 0 0 0 cece 350 Detected Error codes 1 2 eee ee 351 Detected Error Codes Defined by OLE OPC and the OFS Server 351 Modbus and UNITE Request Codes used by OFS 352 Modbus and UNITE request codes used by OFS 352 Recommendations 0 0 00 eee eee eee 354 Location of an Anomaly 0 0c cee tees 354 Sect atlas Show ta aow a Cea arte ates earch teh hanes Me aa 359 Seer ee re ee ee ee eee oe ee ee ee ere ee eee 365 35008244 03 2009 Safety Information Za Important Information NOTICE Read these instructions carefully and look at the equipment to become familiar with the device before trying to install operate or maintain it The following special messages may appear throughout this documentation or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure The a
263. ver and push data settings The driver and push data settings display this way Device name Concept_Prj Device name Concept_PRJ Device address MBT 129 80 100 23 1 Q General Communication information Driver information TCP IP Address Driver name TGP_IP_Direct Selected PLC co PT MODBUS index 29 80 100 23 Minimum communication profile Vlinimum Push Data Service support 4 Available Initial value Zero Read from device Push Data area Base address 0 Size Stamp option Quality check rate s 0 Adjustment information Driver information Info about the configured device address The table below describes the driver and push data fields Field Description Driver Summary of driver settings in read only information Push data Not available for certain networks in particular the ModbusTCPGateway area option Write orders from the device to the server For more information on this subject go to the push data section see page 122 N B if No Push Data is selected other fields are not significant 35008244 03 2009 107 The OFS configuration tool Adjustment settings The adjustment settings display this way Device name Concept_PRJ Device name Concept_PRJ Device address MBT 129 80 100 23 1 Q J Gen
264. when changes of state are infrequent automatic determining of the size of network requests according to the devices availability of services via both the OLE Automation and OLE Custom interfaces compatibility with both OPC DA Data Access Standard Version 1 0A and 2 0 The OFS server offers the following services reading and writing of variables in one or more PLCs present on one or more different networks a user friendly configuration tool giving a greater understanding of the parameters needed for the server to function efficiently and a tool enabling parameters to be modified online in order to maximize utilization flexibility The possibility of using a list of symbols for the PLC application A browser interface enabling the user to obtain a graphic understanding of the accessible devices and their associated symbols a list of specific items see page 194 depending on the devices that enable specific functions to be executed status and starting stopping the PLC alarm supervisory function 35008244 03 2009 17 OFS Uses Communication with PLCs At a Glance The OFS server operates with the Schneider Electric SA Quantum PCX Premium Micro Momentum Compact Series 7 S1000 and M340 PLC ranges on the following networks Modbus Serial RTU Modbus TCP IP IP or X Way addressing Modbus Plus Uni Telway Fipway Ethway ISAway PClway USB USB Fip The OFS server is compatible with the Nano o
265. woledgment 35008244 03 2009 289 The Diag Buffer Time stamp format Field Comment Bits Value no of bits Sec seconds 0 5 0 59 6 Min minutes 6 11 0 59 6 Hour hours 12 16 0 23 5 Day days 17 21 1 31 5 Mon month January 1 22 25 1 12 4 Year current year 1997 2001 4 26 31 0 63 6 e Alarm status alarm the instantaneous status of the current alarm 7 6 5 4 13 2 1 O AAAAAA AutoDereg New or modified Deleted Need Acknowledge Acknowledgment Status bit 0 Status 0 disappeared 1 active bit 1 Acknowledgment 0 acknowledged 1 not acknowledged or acknowledgment not requested bit 2 Need acknowledge 0 acknowledgment is not required 1 acknowledgment is required bit 3 Deleted O still in DiagBuffer 1 deleted from DiagBuffer bit 4 New or modified 0 modified alarm 1 new alarm bit 5 AutoDereg 1 detected error has been simultaneously activated and desactivated e No of Area PLC area from where the diag buffer retrieved the anomaly e Nb of FaultCause number of fault causes available for this alarm e Size of Specific Info number of byte for specific data after this first part 290 35008244 03 2009 The Diag Buffer Specific information sent back by the Diag buffer in the table Specific data types SFC specific data There are three types of specific
266. write Clear the DiagResetAll VT_Ul2 WRITE No parameter whole for this request Get all the FaultCause DiagGetFitCse VT_Ul2 WRITE ErrorlD Get the name of FaultCause read with the previous specific item DiagFltCseResult VT_UI1 VT_ARRAY READ Result of DiagGetFitCse Ask to PLC to rebuild the list of FaultCause DiagRetriggError VT_Ul2 WRITE ErrorlD Type corresponds to OPC standards e VT variable e Uli unsigned integer on 1 byte e Ul2 unsigned integer on 2 bytes e Ul4 unsigned integer on 4 bytes e ARRAY table of bytes DiagLogon specific item Type Access Can be activated Limitation VT_Ul2 R W no This item enables connection to the PLC Firstly the number of the zone that you wish to monitor must be indicated on the PLC between 0 and 15 by carrying out a WRITE function 270 35008244 03 2009 The Diag Buffer Example of a write on DiagLogon Single Value 3 Data Types C Char Uns Char 7 Short Uns Short Vall mooo Long i Uns Long a T Float Double Bool Error t Currency Date f String Value to write e bit i 1 the zone is displayed e bit i 0 the zone cannot be displayed Bit 0 corresponds to zone 0 bit 15 corresponds to zone 15 Examples e to monitor zone 6 write the value 0040h e to monitor zones 2 and 15 write the value 8004h Value returned after read e the viewe
267. wroot OFS To customize the ASP NET security settings you must open the file using a text editor or an XML editor and change the values of the authentifi cation mode and identity impersonate items e the IIS security level To customize it open the Internet Information Service tool choose Properties from the pop up menu of the OFS ws opcexmlda asm x file Use the File Security tab to edit the authentication methods NOTE The Web config file and the IIS configuration must match Anonymous IIS Access Anonymous authentication enables users to access public zones of the Web without asking for a user name or password Although listed as an authentication method IIS access does not authenticate the client because the client is not required to provide a user name or password In this case IIS provides stored user names and passwords to Windows using a specific user account Advantages e improves performance because anonymous authentication does not incur a significant overload e does not require the management of individual user accounts e if IIS does not verify the password it can access network resources Disadvantages e does not authenticate clients individually e if IIS does not verify the password the account can have the local login Anonymous IIS access can be achieved in 3 ways e an anonymous IIS access with default ASP impersonation e an anonymous IIS access with specific ASP impersonation e
268. x e 4 00001 e 40001 e 4x00001 Any register located in the 6x range id is not accessible The table syntax lt reg number gt lt length gt is supported for range id 0 1 3 4 It allows one or more registers to be read at once actually lt length gt registers For Holding registers it is possible to create a floating item or a Long integer using the postfix F or D Two consecutive registers will be used The usual R postfix can be used at the same time Example 400001 S byte table for displaying character strings 400001 F floating point for registers 1 and 2 400012 D long integer 32 bits for registers 12 and 13 400120 FR floating point considered as read only for registers 120 and 121 Modsoft syntax Object Range Item syntax Access Table Max size write Coils 0 00000i R W 00000i L 800 Input status 1 10000i R 10000i L Input register 3 30000i R 30000i L Holding 4 40000i R W 40000i L 100 register Reminders In read mode the size of the tables is unlimited except for bit tables system and memory which are limited to 2000 elements NOTE e The S suffix allows reading and writing a variable to a byte array Array of VT_UI1 OPC type 230 35008244 03 2009 Variables 17 6 Variables in general Aim of this Section The aim of this section is to introduce you to the different variables on OFS What s in this Section This section contains th
269. y Client Windows 2000 The configuration parameters must be defined while logged on to the machine when you have an account with the necessary administration rights to access and start up the client Step Action 1 Start DCOMCnfg exe located in the c Winnt System32 directory 2 In the Default properties tab check that e the option Enable Distributed COM on this computer is selected e the field Default Authentication Level is set to Connect e the field Default Impersonation Level is set to identify 3 In the Default Security tab modify the Default Access Permissions list in order to make sure that the users SYSTEM INTERACTIVE NETWORK and EVERYONE are present This last setting is only necessary to allow the server to send back notifications to the client machine 35008244 03 2009 53 Workstation Configuration Configuration using Windows XP SP2 or Vista Server Windows XP SP2 Vista The configuration parameters must be defined while logged on to the machine with an account having the necessary administration rights to access and start up the server This chapter describes a possible configuration that allows a XP SP2 or Vista machine to be accessed through DCOM Services configuration From the Start menu choose Run and run Services msc The following services must have the following Startup type Service Startup Type Distributed Transaction Coordinato
270. y Device detection 0x24 Start Starting the device 0x25 Stop Stopping the device 0x33 Initialize Initializing the device 0x36 Read Object Read of all items on TSX Series 7 S1000 0x37 Write Object Write of all items on TSX Series 7 S1000 0x38 Read Object List Read of all items on Premium Micro 0x4F Read CPU Device detection and read of the device s operating mode on Premium Micro Ox5A Internal Unity request Access to Unity PLC 0x83 Write Generic Object Write of all items on Premium Micro OxFA Mirror Detection of max PDU size 35008244 03 2009 353 Appendices 23 4 Recommendations Location of an Anomaly Description The table below shows a number of situations that can be easily avoided If the suggested solution is not sufficient contact Schneider Electric SA support services Component Anomaly Remedy Configuration Program start up retrieves the code Reinstall the MDAC component It is supplied on Tool Ox1AD the CD in the REDIST directory Installation Configuration tool Startup Anomaly while executing the program untimely stopping of the PC etc or incorrect startup for example damaged database If you have backed up aliases If the configuration tool still starts up retrieve the last alias file using the get archive menu If the configuration tool does not start up try to copy the back up file saved in alias2K mdb in the configuration tool directory manually
271. y available for PLCs of types Concept PL7 on X Way and Unity Pro For items included within the Push data range when the Timestamp option is used the date time is set as follows e The current time and date of the server when a read operation is requested by the OPC client e The time and date of the PLC when the server receives the new values of this latter e The current time and date of the server when the Push data area is initialized whether it be with the value of 0 or read from the device The Timestamp option may be enabled individually for each alias from the properties page To send the time date to the server the PLC must include it in the header of the data sent Place the GMT time on the PLC in compliance with the OPC standard To facilitate data formatting according to the PLC two header formats may be used 124 35008244 03 2009 The OFS configuration tool Illustration of the 2 formats Data area Data area Format 2 Month A Days Format 1 vias a 9 A Seconds 00 Hours a A gt Hours Minutes Minutes a z gt Month Days Seconds g oO 5 Centuries Years Reserved 0 9 oO g Q oO Q q a Area viewed by the client NOTE The difference between the two formats is made by OFS by checking the least significant byte of the first word that contains 0 in format 1 and a value from 1 to 12 in the second case N
272. y using the OFS Manager see page 145 with the reload and update services OFS automatically updates its network requests in the event that certain variable locations have changed and if the OPC browse interface is opened and closed an updated list of symbols will appear 35008244 03 2009 119 The OFS configuration tool Consistency Policy With Concept it is possible to use non located variables but their value cannot be read as long as the variables are not used With OFS all non located and unused variables will be displayed with the attribute Quality Bad If following automatic updating of the Concept database OFS discovers that some unlocalized variables that were not used are in fact used the attribute Quality Bad will be replaced by the attribute Quality Good and the updated value will be displayed To use this function e Configure the device with a Concept or Unity Pro project file see page 100 e Confirm the dynamic consistency check option in the devices properties page NOTE For proper operation with Concept or Unity Pro the automatic save option must be enabled in Concept in the menu Options gt Preference gt Common the option Save after download is checked If you do not wish to use this option you must save manually The OFS server checks the consistency between the application loaded in the device and the symbols file linked to its alias if the option Dynamic consistency check is checked W
273. you know that your best device responds within X ms Example If the best device responds after 100 ms give a value of 50 ms to the parameter relating to the protocol Modbus or X Way If you give this parameter too low a value you waste the PC s processing time e Max channels see Setting the alias properties page 105 Specific Items page 194 and Multi Channel Feature page 324 112 35008244 03 2009 The OFS configuration tool 8 4 The Device overview folder Aim of this section The aim of this section is to describe the device overview folder What s in this Section This section contains the following topics Topic Page Creating a new device 114 Adjusting timeout item values 115 Adjusting Communication Timeout with a device 116 35008244 03 2009 113 The OFS configuration tool Creating a new device Creating a new device To create a new device you have to follow the procedure described below Step Action 1 From the File menu select New Device Alias Note You can use the contextual menu by right mouse clicking on top window to create a new device Result A new device is created and the configuration tool gives a default name that can be immediately changed or later by a rename Note you cannot have two identical names Assign a name to your device Define the device network address see page 96 which includes the network driver the type and the

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