NETLink Slot USB manual
Contents
1. Cancel Help The most important setting concerning bus configuration is as signment of the station address This refers to the address the NET Link USB Compact will have on the bus when it goes online The station address can have any value from 0 and 126 if the selected address is lower than or equal to the highest station ad dress HSA Example HSA 31 Any value between 0 and 31 can be specified for the station ad dress if this address does not yet exist on the bus The local timeout of the NETLink S7 NET driver can be param eterized in the station related settings If the driver does not receive a response to a request within the set timeout a communication error is signaled to the Simatic application The network settings can be adapted manually if the checkmark next to Automatic Baud Rate Detection is removed This is usually only necessary if the NETLink USB Compact fails to sign onto the bus system automatically can happen with passive bus nodes NETLink USB Compact 19 Some older Siemens CPUs do not support the auto baud function on the MPI PPI systems do not usually support this function ei ther In such cases the network related parameters should be adapted manually Properties NETLink USB MPI x Bus parameter Options Station parameters Automatic transmission rate detection Address Timeout me Network parameters Transm2. e Bus connector with PG female connector This enables further bus nodes to be plugged in The NETLink USB Compact is an active cable This means there is no spur line which avoids interference with high baud rates 3 2 LED displays For display of the operating state the NETLink USB Compact has two multi colored LEDs These are located on the front of the housing behind a white inspection window LED status for operating Power LED status blue Ready for operation Try to log on to the ON MPI PPI PROFIBUS Actively logged on to the ON MPI PPI PROFIBUS Data exchange with a ON programmable controller Transferring firmware update NETLink USB Compact NETLink USB Compact 3 3 Items supplied The scope of supply of the NETLink USB Compact includes e NETLink USB Compact ready to run e CD with NETLink S7 NET driver additional info e Manual German English 3 4 Accessories 3 4 1 Manuals Manual German 900 882 MPI21 de Manual English 900 882 MPI21 en 3 4 2 Software S7 SS OPC server with USB dongle 800 880 OPC20 11 A Administration rights are required for installation 12 4 Installation of the driver software With installation of the NETLink S7 NET driver for the NETLink USB Compact it is easy to access controllers with an MPI PPI or PROFIBUS interface from the PC via USB 4 1 Introduction The NETLink S7 NET driver is inserted in the PG PC interface of
3. A Please note that after initial installation the NETLink S7 NET driver must be added to the PG PC interfaces Make sure you had administrator rights during installation Reboot your PC after installation if prompted to do so You need at least version 5 1 of the Simatic Manager Q When the connection to the PROFIBUS is plugged in no online connection is possible A If possible use the autobaud functionality If this is not possible or not desired check the timing parameters for the PROFIBUS in the STEP7 configuration Enter the read values into the advanced bus parameter settings via the Bus parameters button If on line access is still not possible set a higher Ttr tar get rotation time both in the NETLink USB Compact and on the CPU Q The Starter program has problems accessing a Micromaster drive NETLink USB Compact NETLink USB Compact A When you request a control priority for the Micromaster drive please increase the Failure monitoring from 20ms to 200ms and the Application monitoring from 2000ms to 5000ms so that the Starter software remains operable Q If I set the NETLink USB Compact to autobaud in the PG PC interface and try to go online the orange LED lights up briefly be fore a message appears telling me that the bus parameters cannot be determined A Either the CPU used does not support the cyclic transmission of bus parameters disabled via parameterization or function d
4. ellimlnouz compatible with you NE Think USB Compact USB Gateway for MPI PPI PROFIBUS 700 892 MPI21 User Manual Edition 2 06 04 2010 HW 1 1b and FW 2 30 and higher Order number of manual 900 892 MPI21 en Systeme Helmholz GmbH Hannberger Weg 2 91091 Grof amp enseebach Fon 49 9135 7380 0 Fax 49 9135 7380 110 E Mail info helmholz de Internet www helmholz de All rights are reserved including those of translation reprinting and reproduction of this manual or parts thereof No part of this manual may be reproduced processed copied or transmitted in any way whatsoever photocopy microfilm or other method without the express written permission of Systeme Helmholz GmbH not even for use as training material or using electronic systems All rights reserved in the case of a patent grant or registration of a utility model or design Copyright 2009 by Systeme Helmholz GmbH Hannberger Weg 2 91091 Grossenseebach Germany Note We have checked the content of this manual for conformity with the hardware and software described Nevertheless because devia tions cannot be ruled out we cannot accept any liability for com plete conformity The information in this manual is regularly up dated When using purchased products please heed the latest ver sion of the manual which can be viewed in the Internet at www helmholz de from where it can also be downloaded Our customers are important to us We
5. The requests are sent to a server which re turns the relevant answers to the client In this manual this refers to the programmer PG or personal computer PC A service running on a server that blocks certain services ports and prohibits unauthorized access Definition of the interface speed to 12 Mbit s The Gap Update Factor specifies after how many token cycles the master checks whether an additional master is signaling its presence on the bus Definition of the interface speed to 480 Mbit s Human Machine Interface denotes the interface between the human op erator and a system through which the operator can operate the system or intervene in the process Highest station address that is polled A mediation system to connect several segments Can optional operate with its own power supply to achieve longer distances via USB A computer system that provides services as an active or smart part for other connected client devices General definition of interfaces such as a network interface card that con stitutes an Ethernet interface Definition of the interface speed to 1 5 Mbit s Is and active station that is permitted to transmit data to and request data from other stations when it holds the token 16 digit Siemens identification number Multipoint Interface Interface that is used for 7 300 and S7 400 systems and that supports baud rates up to 1 5 Mbps NETLink USB Compact OPC PG socket PPI PROFI
6. an existing Simatic application and can then be used from most Simatic engineering tools STEP7 ProTool WinCC etc Access is possible to any controllers of the Simatic 7 200 S7 300 or S7 400 series To connect a Simatic 7 200 S7 300 or S7 400 controller the communication adapter NETLink USB Compact and a corresponding MPI PPI PROFIBUS cable is required 4 2 System requirements A PC with a 32 bit Windows operating system is required to oper ate the NETLink S7 NET driver at the PG end The Windows 2000 Windows XP and Windows Vista operating systems can be used A further requirement is the existence of a Simatic engineering tool such as STEP7 Version 5 1 and higher or STEP7 Micro Win Version 4 0 and higher which ensures that the PG PC interface is installed on the computer Installation under Windows 98 ME NT is possible but is not sup ported by the technical support team of Systeme Helmholz GmbH Please pay attention to the requirements of the Simatic package used The PG PC used must contain at least one internal or external functioning USB interface The best performance is achieved using an interface complying with USB 2 0 high speed at 480 Mbps USB interfaces that only achieve full speed 12 Mbps are also pos sible but this slows down status operation 4 3 Running the installation setup After you have inserted the installation CD user guidance starts automatically allowing the user to start the se
7. After successful installation the operation is completed by clicking the Finish button Found New Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for NETLink USE Click Finish to close the wizard ance The NETLink USB Compact has been successfully installed and can now be used As long as the NETLink USB Compact is always operated on the same USB interface in your PG PC the driver files of the operating system are not queried again 17 18 5 Configuration via the NETLink S7 NET Driver Once a NETLink USB has been selected in the Set PG PC Interface window it is possible to specify this access path more precisely with the Properties button With the functionality behind the button Diagnostics which is visible when a NETLink USB is selected it is possible to read the bus configuration and scan connected nodes The following properties of the access NETLink USB are available e Bus settings Here it is possible to state the bus configuration e g station ad dress with which the NETLink USB Compact will enter the bus system Section 5 1 e Options Here it is possible to change the language of the NETLink S7 NET driver and to read out the version information of the driver Section 5 2 Two functionalities are implemented for diagnostics at the con nected bus e Bus members a list of a
8. are always glad to receive suggestions for improvement and ideas STEP S7 200 S7 300 S7 400 Protool Starter Micromaster and SIMATIC are registered trademarks of SIEMENS AG MS DOS and Windows are registered trademarks of Microsoft Corporation Revision history of this document Edition Date Revision 20 10 2009 06 04 2010 NETLink USB Compact Contents 1 1 1 2 1 3 1 4 1 5 3 1 3 2 3 3 3 4 3 4 1 3 4 2 4 1 4 2 4 3 4 3 1 4 3 2 4 4 5 1 Sl Sl 2 5 1 3 5 2 5 2 1 S22 5 3 Sera Safety Information General Restriction of access Information for the user Use as intended Avoiding use not as intended System Overview Application and function description Installation and Mounting Connections LED displays Items supplied Accessories Manuals Software Installation of the driver software Introduction System requirements Running the installation setup Adding the interface to the PG PC interface Selecting the required interface parameterization Installation of the USB driver Configuration via the NETLink S7 NET Driver Bus settings MPI PROFIBUS configuration PPI configuration Options of the driver Language setting of the display elements Version information Diagnostics Bus members Co o OHO DO N N O 10 10 10 11 11 11 11 12 12 12 12 13 15 18 18 19 20 23 23 24 24 24 24 5 3 2 Bus parameters 25 6 Troubleshooting 26 7 Ap
9. installation CD EA or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended Click Next to continue 4 Back Cancel e The next step is a prompt to specify the location of the driver 15 16 It is generally enough to set a checkmark next to Search remov able media and then to click the Next button Found New Hardware Wizard Please choose your search and installation options S 0 Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driwer found will be installed W Search removable media floppy CO ROM F Browse C Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the diver you choose will be the best match for pour hardware Back Cancel e The system now searches for the driver Found New Hardware Wizard Please wait while the wizard searches op NETLink USB Cancel NETLink USB Compact NETLink USB Compact e If the NETLink S7 NET CD is inserted in a local drive installa tion should start after a short time Found New Hardware Wizard E Please wait while the wizard installs the software gS MET Link USB e J 4 Back Hext gt Eancel e
10. step by step startup help to simplify a driver installation for the user Notes 32 NETLink USB Compact
11. BUS Profinet Rack Slot Retry limit SCADA Server Single master Slave Timeout Token Tqui TSAP Tsdr Tset Tslot_Init Ttr USB Object Linking and Embedding for Process Control allows data transfer be tween applications of different producers for example using the RFC1006 protocol The programming unit socket of the bus connector allows further bus nodes to be plugged in Point to point interface interface with S7 200 systems with a maximum baud rate of 187 5 kbps Process Field Bus is the protocol that is used mainly for automation e g for the S7 300 and S7 400 systems with a maximum baud rate of 12 Mbps Standard for industrial Ethernet in automation Rack refers to the configured module rack default 0 and slot to the slot for the module in question default CPU 2 The default configuration for an R S is therefore 0 2 Bus parameter that determines the number of attempts will be made to call a DP slave Supervisory Control and Data Acquisition Generic term for a type of proc ess visualization that includes monitoring control and data acquisition of automation systems etc A device that provides special services at the request of clients Only one master is connected to the system The NETLink family members WLAN Switch and PRO Compact can also act as single masters A station that is only permitted to exchange data with the master if re quested to do so by the latter Defines
12. a protocol instruction that is activated if a defined time has been exceeded Is a frame for permission to transmit in a network It is passed from master to master Transmitter fall time bit is the time that is needed to restore the quiescent signal level on the signal line after transmitting data Transport Service Access Point The TSAP corresponds to the layer 4 address that has to match crossed over for a station and the communication partner to be reached The remote TSAP of Station is equivalent to the local TSAP of Station2 Entry of any characters e g numerals is possible Protocol processing time of the responding station station delay responder The setup time bit is the time that is allowed to elapse between transmit ting and receiving telegrams The slot time bit is the maximum time that a transmitter waits for a sta tion it has addressed to respond Target rotation time Bit is the reference token time This means teh refer ence and actual token times are compared This difference determines how much time is available to the master to transmit its own telegrams to the slaves Abbr for Universal Serial Bus Standard for a variety of of peripheral devices They can be embedded at the system runtime hot plugging NETLink USB Compact 31 USB 1 1 Specification which defines the maximum data rate of 12 Mbit s USB 2 0 USB 1 1 successor specification with a higher date rate to 480 Mbit s USB Hub See Hub Wizard A
13. ameter Assignment Used NETLink USB MPI Properties NETLink USB MPI Diagnostics HSI NETLink USB PPI HA NETLink USB PROFIBLS opy oe a Delete rs Assigning User Parameters to a NET Link USB for a MPI network Interfaces Add Remove Select Cancel Help All relevant settings of a NETLink S7 NET driver can be made via the Properties access field With the button Diagnostics it is possible to show the nodes connected to the bus and the parame ters the bus is working with These fields are explained in Section oF NETLink USB Compact NETLink USB Compact 4 4 Installation of the USB driver If this is the first time a NETLink USB Compact is being connected to the PC the operating system will try to install a suitable driver The driver is a sort of interface between the USB interface and the operating system Windows and has nothing to do with the actual application NETLink S7 NET This initialization can take some time and goes through the fol lowing steps e The operating system starts an installation wizard that per forms the installation which is largely automatic Here it is necessary to specify that the source for the USB driver should not be ascertained automatically Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for NETLink USE If your hardware came with an
14. eration only NET Link S7 NET FRO for PPMPIYPROFIBUS networks via TCPAIP PLCSIM V5 TCPIP gt IntellA 825660 MM Gigab TCPIP gt Ndisw anlp TCPAIP gt TAP Wincs2 Adapter Ya TS Adapter TS Adapter IE After you have selected the entry NETLink S7 NET USB from the left hand list click the Install button NETLink USB Compact 13 14 Now you have answered the query NETLink S7 NET USB will appear in the right hand list with the interfaces already installed Install Remove Interfaces x Selection Installed CP5611 Flug Fla CPS711 Install gt s0 Ind Ethernet NETLink S NET PF H INETLink S7 NET US aes ET d SO Ind Ethernet gt AVM FAITZIWLAN USB E150 Ind Ethernet gt AVM FRITZIWLAN USB MET Link 57 WET USB PC Adapter TCP IP gt 3Com 3C900T P0 based Et TCPYIP gt 3Com EtherLink sL 10 1 of Display modules ready for operation only NETLink S7 NET USB for PPlMPIYPROFIBUS networks via USB The access path in the Set PG PC Interface dialog box is set when this window is closed 4 3 2 Selecting the required interface parameterization The selection list for the interface parameter sets now contains an additional three items for the NETLink USB Compact Set PG PC Interface x Access Path LLDP Access Point of the Application SFONLINE STEP 7 gt NETLink USB MPI E Standard for STEF F Interlace Par
15. ety buttons mechanical interlocks etc see EN 954 1 risk assessment A Never execute or initiate safety related functions using an operator terminal A Only authorized persons must have access to the modules A During configuration safety and accident prevention rules specific to the application must be observed A Make sure in the software that uncontrolled restarts cannot occur 1 2 Restriction of access The modules are open components and must only be installed in a PG or PC Because the components on the boards are very sensitive to electrostatic discharges access to the closed PG PC housing is only permitted using the appropriate tools or keys and only to in structed and authorized persons 1 3 Information for the user This manual is addressed to anyone wishing to configure use or install the NETLink USB Compact The manual tells the user how to operate the NETLink USB Com pact and explains the signaling functions It provides the installing technician with all the necessary data The NETLink USB Compact is exclusively for use with a S7 200 and S7 300 S7 400 programmable controller from Siemens The NETLink USB Compact is for use within a complete system only For that reason the configuring engineer user and installing technician must observe the standards safety and accident preven tion rules applicable in the particular application The operator of the automation system is res
16. g voltage current con 5 V DC 500 mA USB sumption Automatically selected USB 2 0 high speed downward compatible ae oak with USB 1 1 USB connector USB A connector PIE 12 Mbps full speed and 480 Mbps high speed MPI PPI PROFIBUS interface RS485 electrically isolated 19 2 kbps 93 75 kbps 500 kbps 3 Mbps 12 Mbps SUB D connector 9 way MPI PROFIBUS connection with PG interface FDL protocol for MPI PROFIBUS protocols MPI and PROFIBUS MPI PROFIBUS transmission rate automatic detection Degree of protection IP 20 Operating temperature 0 C 60 C Storage and transportation tempera ture Relative humidity during operation 5 to 85 at 30 C no condensation Relative humidity during storage 5 to 93 at 40 C no condensation i 2 LEDs including 1 three color LED for Displays i general status information 25 C to 75 C NETLink USB Compact NETLink USB Compact 7 2 Pin assignments 7 2 1 MPI PPI PROFIBUS interface pin assignments 1 Unused RxD TxD P Ground for bus termination supply via connector P1 RxD TxD N 7 2 2 Assignment of the USB interface Connector Signal Meaning S V 5 V DC o fata o oaas i CC D A shielded USB 2 0 cable is permanently connected to the NET Link USB Compact It is three meters long and ends in a type A USB connector As a rule for USB the cable length between two USB interfaces should not be l
17. ission rate 1875 Kbps Highest Station Address 3 Cancel Help The transmission speed and the HSA of the PLC being addressed must be known and identical to all connected bus nodes It is also possible that the auto baud function may not function re liably at transmission rates slower than or equal to 19 2 Kbps or with increased use of communication via global data exchange because the relevant frame is transmitted more irregularly by the CPUs In such cases it may be advantageous to assign the bus pa rameters manually 5 1 2 PROFIBUS configuration Basically the same applies to PROFIBUS configuration as to MPI configuration However the network related parameters are more extensive In addition to the parameters transmission rate and highest station address mentioned in Section 5 1 1 PROFIBUS also has parameter field for selecting the bus profile and bus parameters If the NETLink USB Compact is the only active station on the PROFIBUS it operates in so called single master mode i e it gener ates the token cycle with the set bus parameters If the bus speed on the PROFIBUS is set to a value less than 187 5 Kbps please remember that it may take up to half a minute for the bus parameters to be recognized NETLink USB Compact NETLink USB Compact In this case the timeout value should be increased correspond ingly Properties NETLink USB PROFIBUS i x Bus parameter Options Stati
18. ll active and passive nodes connected to the bus will be displayed By request the order numbers MLFBs will be dis played also if this functionality is available by the nodes Sec tion 5 4 1 e Bus parameters If possible a list of all available bus parameters will be displayed Section 5 4 2 5 1 Bus settings The NETLink USB Compact can be operated on three different bus systems MPI PPI and PROFIBUS From the NETLink USB Compact user s viewpoint the three bus systems only differentiates by the transmission rates that can be selected and the additional options which are explained here The bus configuration is passed to the NETLink USB Compact during the runtime of the NETLink S7 NET driver and is not stored in the device It is possible to use the NETLink USB Compact without specifying bus related information The NETLink USB Compact then auto matically ascertains the baud rate and the bus parameters and can be operated on different programmable controllers with different transmission rates without switching over the NETLink S7 NET driver NETLink USB Compact 5 1 1 MPI The MPI configuration contains station and network related set tings Properties NETLink USB MPI x Bus parameter Options Station parameters W Automatic transmission rate detection Address Timeout me Network parameters Transmission rate 1875 kbps Highest Station Address 3
19. ne 22x should be able to communicate with Advanced PPI It is recommended to use Advanced PPI if possible 5 2 Options of the driver Under the options of the NETLink S7 NET driver it is possible to set the language of the output and help texts of the driver 23 24 It is also possible to read out the version numbers of the driver files used Properties NETLink USB MPI x Bus parameter Options Language of the display elements C Use SIMATIC Manager setting C German f English Versions SHS Met4 cnt 04 02 2010 03 08 02 SHS Mets all 2 0 3 3 SHS7NetA hlp 04 02 2010 03 08 02 SHS7NetB cnt 04 02 2010 03 08 02 SHSM etB dll 2 03 3 SHS Meth Alp 04 02 2010 03 08 02 SHS7NetL4 dll 2 8 3 7 SHS Mets all 203 0 Cancel Help 5 2 1 Language setting of the display elements The languages German and English are currently available After switching over the language the setting window must be opened again to apply the changes 5 2 2 Version information The names and version number of all driver files are listed here If support is needed this data is used to obtain information about the components used quickly and effectively 5 3 Diagnostics For rudimentary diagnostics of the connected bus two sub func tions are available e Display bus nodes e Display bus parameters Before the diagnostics functionality is used a valid station must be created and a plausible bu
20. oes not exist or the CPU is so busy with general communication tasks that the lower priority bus parameter frame is transmitted too in frequently and cannot be detected by the NETLink USB Compact Please deactivate the autobaud functionality in the NETLink S7 NET driver PG PC interface and set the correct baudrate and the correct profile manually Q If I open multiple connections via the STEP7 driver the link sometimes breaks off or error messages appear saying that it is not possible to establish a link A For communication with S7 300 modules it may be necessary to parameterize the communication resources The user can influence the allocation of existing connection re sources under object properties of the CPU in the hardware con figuration Q Once the configured PROFIBUS slaves have been added on my CPU communication between NETLink USB Compact and STEP7 becomes markedly slower A The user can influence the allocation of cycle load due to com munication under object properties of the CPU in the hardware configuration The default value is 20 Q What must I observe when calling your technical support A Please have all relevant data of your system constellation with the connected stations and program modules at hand when you contact technical support at Systeme Helmholz GmbH 27 7 Appendix 7 1 Technical data Dimensions in mm LxWxH 64 x40 x 17 Weight Approx 110 g Operatin
21. on parameters Automatic transmission rate detection Address Timeout me Network parameters Transmission rate Highest Station Address Profile User defined Bus parameters Cancel Help Profile e Under PROFIBUS there are usually the profiles DP Standard und User defined e The profile must be selected that is already used in the program mable controller Bus parameters T slot 1000 tBit Max Tadr S00 tBit Min Tsdr 11 tBit Tet 16 tBit Tut 3 tBit Gap factor 10 Retry limit 4 Thr 44067 Bit Close Help e Unlike the MPI bus profile the bus parameters for PROFIBUS are not constant and change with the type and number of PROFIBUS stations used e Always set the PROFIBUS parameters that are set in the currently used programmable controller see current STEP7 project In order to simplify these procedures it makes sense to use of the auto baud function under PROFIBUS 21 22 The bus parameters are then calculated automatically Properties NETLink USB PROFIBUS Bus parameter Options Station parameters W Automatic transmission rate detection Address Timeout me Network parameters Transmission rate Highest Station Address Profile User defined Z Bus parameters Cancel Help Under PROFIBUS please note that the auto baud function works best if the Cyclic distribution of the bus parameters function is ac
22. onger than three meters Minimization of the voltage drop in the cable is a decisive factor for smooth operation of the connected devices for a 5 volt power supply If larger distances have to be covered the use of USB hubs is recommended 7 3 Further Documentation Internet http www helmholz de http www profibus com http www usb org http www siemens com 29 Advanced PPI ASCII Autobaud Baudrate Bit Bus Byte Client Computer Firewall Full speed Gap High speed HMI HSA Hub Host Interfaces Low speed Master MLFEB MPI 30 8 Glossary These are explanations of the most important technical terms and abbreviations from the manual The extension of the PPI protocol of the S7 200 series normally only com patible with CPUs of the S7 22x series and higher American Standard Code for Information Interchange describes a character set that includes the Latin alphabet in upper and lower case the ten Arabic numerals as well as some punctuation marks and control characters Also called auto sensing is a function supporting automatic adjustment of the baud rates in a network The speed set on a bus system Binary digit describes the smallest digital information unit Defines 0 or 1 Buses are connection systems for electronic components For example the MPI Bus is a connection medium for S7 A byte denotes a series of 8 bits that constitute a logical data entity A device that requests services
23. ovide any information on how to remedy it the support of Systeme Helmholz GmbH is available to help you Q Although I have already operated a NETLink USB Compact on my PC Iam prompted to install a USB driver if I want to use an other NETLink USB or another USB interface of my PC A USB devices are usually equipped with a serial number This is used to identify devices that are already known If you use two USB devices of the same type two instances of the driver will be installed on your computer for this device type You will find the USB driver on the CD supplied in directory CD directory Driver You can also download it from our homepage at www helmholz de Q During the usage of a NETLink USB Compact on an external hub or a separate USB card it comes to unexpected errors Discon necting and reconnecting the USB cable between NETLink USB and hub does not clear the situation A Is e g the power supply of the hub too powerless for the NET Link USB Compact some of the hubs on the marked providing an error to the host system the pc This triggers a logical disconnec tion of the hub from the host the host is not functioning any more After a physically disconnect of the hub from the host and a re connection to the host the hub should work again To solve the problem with the NETLink USB Compact use an ex ternal power supply for this device Q The setting dialog boxes are not appearing in the Simatic Man ager
24. pendix 28 7 1 Technical data 28 gee Pin assignments 29 7 2 1 MPI PPI PROFIBUS interface pin assignments 29 7 2 2 Assignment of the USB interface 29 7 3 Further Documentation 29 8 Glossary 30 NETLink USB Compact NETLink USB Compact 1 Safety Information For your own safety and for the safety of others always heed the safety information given here The safety information indicates possible hazards and provides information about how you can avoid hazardous situations The following symbols are used in this manual L E Caution indicates hazards and sources of error Ll l Gives information A Hazard general or specific A Danger of electric shock 1 1 General The NETLink USB Compact is only used as part of a complete sys tem z The operator of a machine system is responsible for observing all safety and accident prevention regulations applicable to the applica tion in question A During configuration safety and accident prevention rules spe cific to the application must be observed A Emergency OFF facilities according to EN 60204 IEC 204 must remain active in all modes of the machine system The system must not enter an undefined restart A Faults occurring in the machine system that can cause damage to property or injury to persons must be prevented by additional external equipment Such equipment must also ensure entry into a safe state in the event of a fault Such equipment includes electromechanical saf
25. ple using a self powered USB hub The use of drivers makes it possible to use the NETLink USB Compact at the PC end as a e Programming adapter or e Operator control and monitoring unit The transmission rates of USB 1 1 and USB 2 0 are supported A Before you start installation work all system components must be disconnected from their power source 10 3 Installation and Mounting Installation must be effected in compliance with VDE 0100 IEC 364 The NETLink USB Compact has degree of protection IP20 Please ensure a maximum ambient temperature of 60 C for reli able operation The NETLink USB Compact is plugged directly into the SUB D female connector of the PROFIBUS station instead of the standard PROFIBUS device connector It is fixed using the permanently in tegrated hexagon head housing screws and therefore makes per manent contact Further bus nodes for diagnostic devices can be connected to the integrated PG female connector Only the USB communication cable is permanently mounted on NETLink USB Compact housing No further outlets for example PROFIBUS cable can be connected to the device Therefore no termination is possible on the connector housing and the ON OFF switch for this is not been incorporated 3 1 Connections The NETLink USB Compact has the following connections e USB 2 0 cable with standard A connectors for connecting the de vice to commercially available PG PCs or hubs
26. ponsible for observing these rules 1 4 Use as intended The NETLink USB Compact must only be used as a communica tion and signaling system as described in the manual 1 5 Avoiding use not as intended Safety related functions must not be controlled via the NETLink USB Compact alone Make sure in the software that uncontrolled restarts cannot occur NETLink USB Compact NETLink NETLink USB Compact 2 System Overview 2 1 Application and function description The NETLink USB Compact is a gateway between USB and an MPI PPI or PROFIBUS With one USB connection 12 Mbps full speed or 480 Mbps high speed up to 32 MPI PROFIBUS connections 9 6 kbps to 12 Mbps can be used simultaneously At both the USB and the field bus ends the baudrate used can be determined automatically autodetect or autobaud The NETLink USB Compact draws its 5 volt power supply from the USB interface of the PG PCs The NETLink USB Compact has the shape of a PROFIBUS connec tor with a PG female connector and it is plugged directly into the MPI PPI PROFIBUS interface of the automation system Because it is active no spur line is created that could interfere with the bus The USB end of the NETLink USB Compact is electrically isolated from the MPI PPI PROFIBUS The NETLink USB Compact is connected to the PG PC by the 3m long USB 2 0 cable that is permanently attached to the housing The USB cable can be extended for exam
27. s configuration set 5 3 1 Bus members A list of all available nodes at the bus will be generated by clicking the button Read With activating the option Read MLFB number the order numbers of all devices supporting this function will be displayed too The possibility to detect all connected nodes depends on the parameterization of the PG PC Interface NETLink USB Compact NETLink USB Compact It is recommended to enable auto baud functionality at MPI and PROFIBUS Bus members Bus parameter i MLFE number oo Station active Station address 2 Station active BES 313 6CE00 04B W Read MLFE number OK Cancel Help 5 3 2 Bus parameters If it is possible a list of all bus parameters will be displayed by clicking the button Read The possibility to detect the bus parameters depends on the parameterization of the PG PC Interface It is recommended to enable auto baud functionality at MPI and PROFIBUS 21x Bus members Gus parameter Own address U Transmission rate 187500 bps Highest Station Address Min Tadr Max Tadr 400 tBit Tset 12 tBit Tqui 0 tBit Talot 475 tBit Gap factor 5 Retry Lirit 2 Ttr 93954 tBit OK Cancel Help 25 26 6 Troubleshooting The points described here show some typical errors that can occur in day to day work with the NETLink USB Compact If any condition during operation is not described here and this manual does not pr
28. ti vated in the programmable controller used PROFTBUS I Bus Parameters I Tum on cyclic distribution of the bus parameters Telot_Init 100 th Talot 100 t_bit Max Tedr H tht Tid2 60 tbi Min Tedr 11 tht Trdy 11 tbi Teet 1H thi Tid1 37 tbi Tqui t_bit Ttr BBA t_bit 153 6 ms Gap Factor Ttr typically J66 t_bit 5 2 ms i ae EEE Watchdog 6362 thi 336 9 ms Recalculate The screenshot above of a hardware configuration of a randomly chosen PROFIBUS CPU shows where to find the switch for cyclic distribution of the bus parameters NETLink USB Compact E Normally the baud rate cannot be detected auto matically at PPI systems NETLink USB Compact 5 1 3 PPI configuration Basically the same applies to PPI configuration as to MPI configu ration However the network related parameters are more exten sive Properties NETLink USB PPT x Bus parameter Options Station parameters Automatic transmission rate detection Address Timeout me Network parameters Transmission rate fiaz Kbps Highest Station Address 3 W Advanced PFI I Huli master network Cancel Help In addition to the parameters transmission rate and highest station address mentioned in Section 5 1 1 PROFIBUS also has a parame ter field for selecting the bus profile and bus parameters According to current knowledge all 7 200 CPUs of the product li
29. tup routine of the NETLink S7 NET driver If the user guidance does not start automatically the setup file can be launched manually in directory CD drive Driver If necessary you can download the latest NETLink S7 NET driver from our homepage http www helmholz com Please note that for installation you have to log on as an adminis trator under the 32 bit Windows operating systems Win dows 2000 and Windows XP because the setup program has to make entries in the Windows registry NETLink USB Compact 4 3 1 Adding the interface to the PG PC interface After initial installation the new interface parameter set NETLink S7 NET USB has to be set up Administrator rights are necessary for this After you have started Set PG PC Interface in the Control Panel click the Select button there Set PG PC Interface ry xi Access Path LLOP Access Point of the Application SFONLINE STEP A gt PC Adapter Auto Standard for STEP 7 Properties PC Adapter Auta PC Adapter MP ea FC Adapteri PROFIBUS Copy PC An and Delete F Automatic parameter assignment of your PC Adapter tor MPL PROFIBUS fare sending bus parameter message frames Interfaces Add Remove H NETLink S MET PR NETLink S NET U Install gt NETLink S NET lite PL Adapter H FE COM Port USS PCPPI cable nif Display modules ready for op
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