USER'S MANUAL RS-485/ETHERNET CONVERTER
Contents
1. SU 40 19 01 U09 9 LOOLOL SS9Jppe dl c9L GOOL L9L GOOL Od SS8JppE dl SS9Jppe dl G8y Su t ZIN 30 13Nu3H13 1 0 BY UOISIAA 991 40 uogeoi dde 614 G9 g00L w SS9Jppe dl ELISS UUM JO YJIOMION 091 C 0 OL SS9Jppe dl 8dd y10M au L 0 0L 3 2201 dl G8y Su 45 EOS _ YIOMION 3 INSTALLATION AND BASIC SAFETY REQUIREMENTS Symbols located in this service manual mean WARNING Warning of potential hazardous situations Especially important One must acquaint with this before connecting the converter The non ob servance of notices marked by these symbols can occasion severe injuries of the personnel and the damage of the instrument CAUTION Designates a general useful note If you observe it handling of the converter is made easier One must take note of this when the in strument is working inconsistently to the expectations Possible consequences if disregarded In the security scope the converter meets the requirements of the EEC Low Voltage Directive EN 61010 1 issued by CENELEC2. http 10 0 2 182 UE rai xi Main page Configuration iv Enable password authentication Network Security Specify the user name a password that will be required for login Administration User Name admin Restore Factory Defaults Password System Information 1 Verify Password E The Refresh operation completed successfully The Save operation completed successfully Ready eli Fig 11 Procedure of switching the authentication on by the password To restore factory converter settings one must 1 switch the converter supply off 2 push the RESET push button and holding it down switch the converter supply on 3 release the RESET push button after obtaining the converter operation readiness 16 seconds 4 OPERATION MODE WITH THE REALPORT SERVICE The PD8 converter includes the licensed by DiGi inc company the RealPort network service enabling the communication by means of the Ethernet link with PC computers operating under the supervision of Windows operation system The 22 installation of the RealPort service in the Windows system causes the addition of the next so called COM virtual serial port to the list of accessible ports in the given computer This port does not have a physical hardware form but a virtual one thanks to the programmed work emulation of a typical serial link The application of additional virtual COM ports allows to replace
3. EN 60715 2002 acc to EN 61000 6 2 acc to EN 61000 6 4 300 V 50 V 8 EXECUTION AND ORDERING CODES Ordering codes of the PD8 converter Supply voltage 85 230 253 V a c d c 20 24 50 V a c d c Version standard Acceptance tests without additional quality inspetion requirements wit an extra quality inspection certificate acc to customer s requests after agreeing with the manufacturer Ordering example The code PD8 1 00 7 means PD8 module of PD8 type 1 supply voltage 85 230 253 V a c d c 00 standard version 7 with an extra quality inspection certificate 35 9 MAINTENANCE AND GUARANTEE The PD8 converter does not require any periodical maintenance In case of some incorrect operations 1 After the dispatch date and within the period stated in the guarantee card One should return the converter to the manufacturer s Quality Inspection Dept If the converter has been used in compliance with the instructions the manufacturer guarantees to repair it free of charge The disassembling of the housing causes the cancellation of the granted guarantee 2 After the guarantee period One should send the instrument to repair it in an authorized service workshop Spare parts are available for the period of five years from the date of purchase Our policy is one of continuous improvement and we reserve the right to make changes in design and specifications of any products as en
4. PD8 3 6 1 Installation of the PD8Config exe software The installation consists on the copying of the PD8Conf exe software file from the mini CD into the computer catalog indicated by the user The software can be also directly activated from the mini CD diskette 3 6 2 Description of the configuration software The PD8Config exe software added to the set serves to configure network settings of the PD8 converter The software after starting searches the local computer network and creates the list of accessible converters of PD8 series The list is displayed in the field List of Converters fig 7 The current IP address of the only one converter in the hereby example is visible in the IP Address field If one can see that the converter has an unsuitable IP address of 0 0 0 0 type that means that in the given computer network the DHCP service does not occur In such a case one must configure manually the PD8 converter with the unsuitable address in the following way e After marking the given converter click the Configure IP settings key PDBConfig Y IB x Commands List of Converters Open Web Interface Configure IP Settings Fig 7 List of accessible PD8 converters 17 e Inthe revealed Set up the IP address window one must fulfil the fields with data obtained from the network manager fig 8 Leave empty the field with the password e After pushing the Apply key in
5. Remarks concerning the operator safety 1 General e he PD8 converter is destined to be mounted on a panel e Non authorized removal of the required housing inappropriate use incorrect installation or operation creates the risk of injury to personnel or damage to equipment For more detailed information please study the User s Manual e All operations concerning transport installation and commissioning as well as maintenance must be carried out by qualified skilled personnel and national regulations for the prevention of accidents must be observed e According to this basic safety information qualified skilled personnel are persons who are familiar with the installation assembly commissioning and operation of the product and who have qualifications necessary for their occupation 2 Transport storage e Please observe the notes on transport storage and appropriate handling e Observe the climatic conditions given in Technical Data 3 Installation e he meter must be installed according to the regulation and instructions given in this User s Manual e Ensure proper handling and avoid mechanical stress 10 R Do not bend any components and do not change any insulation distances Do not touch any electronic components and contacts Instruments may contain electrostatically sensitive components which can easily be damaged by inappropriate handling Do not damage or destroy any electrical components since this might en
6. of its action the applet maintain the TCP IP commu nication with the PD8 converter 20 3 7 3 Modification of authentication data The selection of the Security command application from the left panel enables the managing of the PD8 user s authentication Fig 11 By means of the Enable password authentication option in the right window panel we can decide about the authentication switching on and off at restart trials and configuration modifications of PD8 Converter Configuration http 10 0 2 182 UE rci Main page Configuration Introduction into RealPort service for Windows Network 2 Tutorial Directions concerning RealPort driver installation Security Administration System Summary Restore Factory Defaults Model Converter System Information IP Address Reboot 10 0 2 182 MAC Address 00 40 9D 23 5E B3 The Refresh operation completed successfully Ready Fig 10 Welcome page of user s application In case of the option switching on one must introduce the required user s name and write the password twice Data will be written into the converter memory after pressing the Save key In case of the own password forgetting one can set its default value by restoring factory settings in PD8 For this aim the RESET push button accessible after removing the lower terminal 5 8 of the RS 485 converter interface is used 21 apps Converter Configuration
7. Hardware Wizard Click Next NOTE The Add Remove Hardware Wizard is searching for new devices Click Yes have already connected the hardware and click Next 4 Scroll down to the bottom of the Installed Hardware list select Add a new hardware device and then click Next 23 10 T 12 13 14 Click install the Hardware that manually select from the list Advanced and click Next In the Common hardware types list select serial adapters and click Next Click Have disk Type the path to the RealPort files and click OK or click Browse and locate the files Select digirp inf click Open and then clicK OK Mark the installed device Standard RealPort device the list or click Digi Connect ME in the case of Windows 98 click Next and click Next again Introduce the IP address of the PD8 converter in the dialog window Add Digi Hardware Wizard and remain the port number unchanged as 771 Click Next In the case of Windows 98 ME introduce the proper name e g Test for the PD8 converter in order to the easy identification during the operation Leave the number of PD8 converter serial ports unchanged as 1 Click Next and then Finish confirm successive messages 4 3 Configuration of the RealPort driver in Windows XP After carrying out the successful installation in accordance with th
8. LUMEL RS 485 ETHERNET CONVERTER PDS TYPE USER S MANUAL CE RS 485 ETHERNET CONVERTER TYPE USER S MANUAL CONTENTS 1 APPLICATION 2 PDS CONVERTER WAL 3 INSTALLATION AND BASIC SAFETY REQUIREMENTS 3 1 3 2 3 3 3 4 3 5 3 6 3 7 Converter installation aa EEEE Ee k Ea S UU UC LER PPS PDS electrical CONNECUONS renren nnen Connection way With devices Requirements for lead out connections Transmission parameters of the serial interface Configuration of PD8 network 668 22 3 6 1 Installation of the PD8Config exe 3 6 2 Description of the configuration software Capabilities to configure P 3 7 1 Installation of the PD8 configuration applet service component on a PO computer 3 7 2 Notes concernig the configuration applet in the User S DIOWSDBE inito tera E 3 7 3 Change or authorisation aaa wiola rec GAEL 4 OPERATION MODE WITH REALPORT 4 1 4 2 4 3 4 4 Information ab
9. P service server is carried out after choosing the third tabbed page Network services located in the right application panel configuration of the serial port Fig 17 The start of the service server in the given computer is performed after marking the Connect the TCP server option and giving IP port number After introducing all changes in the Serial port configuration panel one must write them in the converter memory pressing the Write key Configuration Network Serial Ports Select and configure services to run on the converter Security Administration Enable RealPort server Port Restore Factory Defaults Enable UDP server Port System Information Reboot Bim po c scc Option Switch the server on Port number Fig 17 Schwitching the TCP server on the given port 7 TECHNICAL DATA Transmission data RS 485 interface data format baud rate of RS 485 port maximal response time to the query frame transmission range RS 232 interface data format baud rate maximal response time to the query frame transmission range ETHERNET interface interface type transmission protocol baud rate transmission range Status and data flow indicators Time to obtain the readiness from the moment of switching on Converter power consumption Rated operation
10. ce push button what occasions the start of the default internet browser being in the standard accessory of any contemporary user s computer The PD8 converter Web page contains the application which requires the presence of an appropriate service software in the computer Information concerning the installation of this service are included in the section 3 7 5 of this user s manual 3 7 Capabilities to configure PD8 The PD8 converter with factory settings is protected by the users name and its password against non authorised changes in the network configuration and commands to restart the converter again The default user is root which has the dbps password These data can be modified thanks to the configuring applet on the Web page of 19 the given PD8 which is called by the user by means of the internet browser installed on its PC computer 3 7 1 Installation of the PD8 configuration applet service component in PC The embedded applet application of the Java language in the user s computer This service is being accessible after installing the Java JRE service package in the windows system The package adds the starting plug plug in to the internet browser by means of which the user opens the Web page with the applet The PD8 converter applet requires the JRE package in 1 4 0 versions or higher For this reason before the first opening of the PD8 page in the user s browser one must start the installator of JRE
11. conditions supply voltage 85 230 253 V or 20 24 50 V a c d c 9 10 11 12 bit 300 600 1200 2400 4800 9600 19200 38400 56000 115200 bit s 1000 ms up to 1200 m at 9600 bit s 9 10 11 12 bits 300 600 1200 2400 4800 9600 19200 38400 56000 115200 bit s 1000 ms up to 15 m at 9600 bit s 10 100Base T Digi RealPort TCP IP HTTP ICMP DHCP ARP 10 100 Mbit s up to 100 5 diodes supply RxD TxD ACT LNK gt 16s lt 5VA 33 supply voltage frequency ambient temperature relative humidity external magnetic field work position admissible sinusoidal vibrations frequency displacement amplitude Storage and transport conditions ambient temperature relative humidity admissible sinusoidal vibrations frequency displacement amplitude Protection level ensured by housing terminals Dimensions Weight Housing Electromagnetic compatibility immunity against interference emission of radio noise Safety requirements acc to EN 61010 1 installation category pollution level maximal phase to earth working voltage for the supply circuit for other circuits 34 40 50 440 Hz 20 23 45 C lt 85 lt 400 A m any 10 150 Hz lt 0 15 20 70 C lt 85 10 150 Hz lt 0 35 mm IP 30 IP 20 45 x 100 x 120 mm 0 2 kg adapted to be mounted on a 35 mm rail acc to
12. danger your health Electrical connection Before switching the instrument on one must check the correctness of connection to the network In case of the protection terminal connection with a separate lead one must remember to connect it before the connection of the instrument to the mains When working on live instruments the applicable national regulations for the prevention of accidents must be observed The electrical installation must be carried out according to the appropriate regulations cable cross sections fuses PE connection Additional information can be obtained from the user s guide The documentation contains information about installation in compliance with EMC shielding grounding filters and cables These notes must be observed for all CE marked products The manufacturer of the measuring system or installed devices is responsible for the compliance with the required limit values demanded by the EMC legislation 5 Operation Measuring systems including PD8 converters must be equipped with protection devices according to the corresponding standard and regulations for prevention of accidents After the converter has been disconnected from the supply voltage live components and power connections must not be touched immediately because capacitors can be charged The housing must be closed during operation 6 Maintenance and servicing Please observe the manufacturer s documentation Read all product
13. dows ini xi File Action View Help 88 EH Multi port serial adapters rg Network adapters E Other devices 51 39 Ports amp LPT z Communications Fort 29 Communications Port COM ae Printer Port LPT 1 g T MEES EEE Ee Fig 12 Exemplary list of devices in the Windows system 20 konwerter 10 0 0 10 Advanced Properties 1 x Konwerter 100010 Properties Serial Advanced TCP 1 5 oo Set Port Profile 2 Choose port profile to intelligently reconfigure the settings tor thes port Choose a New Profile For most applications use Latency Optimized which is the most robust and most reliable profile csse TCP For bandwadth sensitive aede me more latent networks try Optimized Throughput Optimized TCP Apply New Profile to All Ports teen Fig 13 Advanced Driver settings 4 4 Example of Lumel Heat and Lumel Energy configuration to co operate with PD8 converters Lumel Heat and Lumel Energy systems communicate with industrial devices by means of COM serial ports After installing additional virtual COM serial ports one can reffer to them in systems of Lumel series Then one must introduce or modify supervising appeals to added virtual ports in new or existing applications Lumel Energy softwares in versions older than 2 5 service maximally 4 se
14. dress and IP port of the remaining converter being in relation e n case of connection in the relation 1 to several set in each slave converter the address and IP port of the master converter However in the only master converter set all maximally 64 addresses and ports slave converters remaining in relation The default number of the IP port for the serial bridge service is 2000 In case of a local conflict occurrence with another network service in the given network which uses the same port there is the possibility to change its number both for the bridge service server and for the client 28 UDP Client Automatically send serial data to one or more devices or systems on the network using U Enable UDP client Send data under any of the following conditions After the following number of idle milliseconds ms 1 65535 After the following number of bytes 260 bytes 4 4096 Send data to the following locations Dest Address UDP Port Description Enabled 192 168 0 200 211 centraa pono Jb JC 1 Fig 15 Setting of the UDP client for the serial bridge 5 3 Setting of the serial transmission buffering In the Network port services tab there is also the possibility to change the way of serial transmission buffering Fig 17 The use of the buffering mechanism is indispensable in the case of frame retransmis sion of the MODBUS or LUMBUS industrial protocol The definition of the number of mill
15. e previous item one must additionally configure the RealPort driver by means of the Manager of windows system devices For this purpose one must perform following steps 17 di 24 click the Start push button point the settings command and click the Control Panel command Click twice the System icon to open the System properties window Choose the System tab and click the Device manager push button After the Device administrator window appearance fig 12 unroll the Ports COM and LPT branch in the tree of accessible devices One can see that in the exemplary Windows system three serial ports are accessible COM1 COM2 As the result of the RealPort controller installation in the system a successive port is accessible virtual denoted as Digi RealPort fig 12 Unroll the Multiport serial adapters branch which shows the installed PD visible as Digi Connect ME in the Windows 98 system Click twice on the converter name to obtain the Test properties window fig 13 Select the Advanced tab and click on the Properties push button In the appeared Advanced properties window Fig 13 click the Port 1 branch and next choose the Properites overlap click Set profile and mark the option Throughput Optimized TCP in accordance with the example on the fig 13 Confirm modifications by the OK push buttons in win
16. gineering advances or necessity requires and revise the above specifications without notice 36 3 LUMEL Lubuskie Zaktady Aparatow Elektrycznych LUMEL S A ul Sulechowska 1 65 022 Zielona Gora Poland Tel 48 68 329 51 00 exchange Fax 48 68 329 51 01 e mail lumel glumel com pl http www lumel com pl Export Department Tel 48 68 329 53 02 Fax 48 68 325 40 91 e mail exportQlumel com pl PD8 09E 20 06 2012
17. iseconds of silence allows to detect the end of the MODBUS RTU frames after which their retransmission should follow through the Ethernet network The additional parameter defining the buffer dimension enable to protect against its overflow or the transmission deadlock 29 5 4 Management of the service server The configuration of the bridge server is carried out after choosing by the user the third Network services tab being in the right Serial port configuration application Fig 16 The start of the bridge service sever in the given converter is carried out after giving the number of the IP port and pointing the Enable UDP server option After introducing all changes in the Serial port configuration panel one must write the converter memory pressing the Save pushbutton Im Main page Configuration Network Serial Ports Security Administration Restore Factory Defaults System Information Reboot Select and configure services to run on the converter C Enable RealPort server Enable UDP server C Enable normal TCP server k The Refresh EEEE Fig 16 Switching the UDP server on the given port 6 OPERATION MODE WITH THE SOCKET TCP SERVICE The work with TCP socket is a working mode very similar to the mode with Real Port service The difference consists only on the communication way with the PD8 device where in this case we ma
18. ke use of the direct connection TCP IP giving the IP address of the PD8 device and the port number One can divide the service configuration of the TCP Socket of the given converter in three stages determination of serial link transmission parameters definition of the operation way for the mechanism buffering frames of the serial transmission protocol e switching the service server on the given IP port of the configured converter The setting of the serial bridge operation way is carried out by using the configu ration application on the WWW page of the given PD8 which is called by the user by means of the internet browser installed in his PC computer The design of the PD8 converter allows to obtain in the given time only one network connection of the Socket TCP service That means that only one PC computer of any IP address and set port can communicate with the given converter For remaining computers the service is inaccessible in the given moment and in relation to that a suitable message about the error appearson their screens 6 1 Settlement of serial link transmission parameters The settlement of transmission parameters of the serial link is carried out according to the section 5 1 6 2 Setting of the serial transmission buffering The settlement of transmission parameters of the serial link is carried out according to the section 5 3 31 6 3 Managing of the service server The configuration of the TC
19. lled by the user by means of the internet browser installed in his PC computer 5 1 Settlement of serial link transmission parameters The selection of the Serial command application from the left panel causes the display of the current setting list on the right panel concerning the converter operation In the first Basic tap the user has the possibility to change parameters of the converter RS 485 port Fig 14 When setting transmission parameters one must remember to set the identical type of transmission word for each connected converter The baud rate can be different between segments but consistent with settings of connected devices to the given RS 485 segment 27 E des Main page Configuration Network Serial Ports Security Administration Restore Factory Defaults System Information Reboot Fig 14 Setting of converter serial port parameters 5 2 Configuration of service client operation The configuration of the bridge client is carried out after choosing by the user the se cond tab Network services in the right panel Serial port configuration fig 15 To begin the configuration process one must previously switch the Enable UDP client on Fields of addresses and converter IP ports which have to retransmit frames of serial data are fulfilled acc to following principles e n case of connection in the relation 1 to 1 define in each converter the ad
20. one must wait some time till the Operation carried out successfully message appears After confirming the message one must click from the main window the Refresh list command After while the list of accessible converters will be actualised and appears in accordance with the fig 9 The Reboot converter command is useful after the succeeding manual network Set IP Address X Assign an IF Address subnet mask and gateway to your PDS converter Contact your network administrator if you do not know this information Converter POS Converter MAC Address 00 40 90 23 5e b3 C Automatically obtain network settings via DHCP IP Address Subnet Mask Default Gateway Password coca Fig 8 Configuration of exemplary PD8 network parameters configuration carried out by remote control through the computer network Then new network settings in PD8 are activated only after the reboot start of the converter The unconditional restart of PD8 can be also performed by pressing the accessible 18 push button through the hole in the converter housing after removing the lower terminal 5 8 of the RS 485 terminal Using the PD8Config exe software one can easily display the Web page served gt List of Converters Fig 9 Correctly configured PD8 converter by the indexed PD8 For this purpose after the converter indication from the list one must click the open Web Interfa
21. operates from the RS 485 side with industrial devices at following baud rates 300 600 1200 2400 4800 9600 19200 38400 56000 115200 bit s Maximal serial baud rates depend on the length of transmission lines and are presented on the table 4 At a length over 800 m One must apply a terminator 120 Ohm resistance which connects terminals and of the PD8 converter Dependence of maximal baud rate from the line length Table 4 Length of the trans mission line Maximal baud rate 115200 bit s Without a terminator 56000 bit s Without a terminator With a terminator for baud rate gt 9600 bit s 9600 bit s With a terminator 3 6 Configuration of PD8 network settings Similarly to other network devices the PD8 converter requires at its first start a suitable configuration of settings for needs of the IP network protocol These settings include IP address of the PD8 converter subnet mask address of the default gateway These data must be obtained from the administrator of the computer network to which the PD8 converter is connected In case of the converter connection to the local computer network in which the DHCP service is accessible the PD8 converter will be configured automatically owing to it 16 38400 bit s To obtain information about the IP address assigned to the converter one must start the PD8Conf exe on the PC computer connected to the same computer network as the
22. oth plugs in so called direct connection of PD8 to the network concentrator hub or network switch switch e EIA TIA 568A for the first plug or EIA TIA 568B for the second plug in so cal led connection with a cross over transposition applied among other things in the direct PD8 connection to the computer Supply PC computer with Ethernet Ethernet cable with interface cross over transposition GND RS 485 bus Fig 6 Example of PD8 converter direct connection with the PC computer 14 Wire colouring in RJ 45 plug Table 3 Wire colour in accordance with standard EIA TIA 568A EIA TIA 568B White green White orange Green orange White orange White green Blue Blue White blue White blue orange Green White brown White brown brown brown gt NOTE Because of electromagnetic interference one must use screened wires to connect RS 485 interface signals The screen must be connected to the protective terminal in one point The supply must be connected with a two wire cable with an appropriate wire diameter ensuring its protection by means of a fusible cut out The remove of the converter housing during the guarantee period will cause its invalidation 3 4 Requirements for lead connections N Occurring in practice different interference sources influence the converter in a permanent or pulse way from the supply netwo
23. out RealPort service controller fileS 111 Example of controller installation in Windows Configuration of RealPort controller in Windows Example of LUMEL HEAT and LUMEL ENERGY configuration to co operate with CET 5 SERIAL BRIDGE MODE WITH UDP PROTOCOL 27 5 1 Settlement of serial link transmission 27 5 2 Operation configuration of the serviced client 28 5 3 Setting of the serial transmission server 29 5 4 Managing of the service nnns 30 6 SERIAL BRIDGE MODE WITH TCP 31 6 1 Settlement of serial link transmission parameters 31 6 2 Setting of the serial transmission buffering 31 6 3 Managing Of the service SSBIVOF isis ioo certat kk LR a KAKA 32 T TECHNICAL 33 8 ORDERING CODES 35 9 MAINTENANCE AND GUARANTEE 1 36 1 APPLICATION The PD8 converter allows to transmit data to the master devices through the computer network of Ethernet type to devices equipped with the RS 485 and RS 232 interface The conve
24. package which exists in the Java JRE catalogue on the PD8 CD disk To install the applet service package into the user s PC one must carry out follo wing operations 1 Start the file with extension of the exe in the Java JRE catalogue of the CD disk 2 Select the I accept the terms in the license agreement in the shown installator window and click Next 3 Select the typical option and click Next 4 Optional Installator step Mark accessible browsers in the computer and click Next 5 After finishing the installation click finish in the installator window 6 Call the PD8 Web page in the browser in order to check the JRE installation correctness 7 Press the always push button in the new window with the Warning security title the appearance of which means the query about acceptation of the digital signature of the being started applet by the user 8 Close the browser 3 7 2 Remarks about the configuration applet in the user s browser After writing the PD8 converter Web address in the browser address bar the user s configuration applet appears in a separate window fig 10 The left side of the application window includes the menu of accessible commands The right window panel shows data associated with the command passed by the user in the left panel Information concerning current operations and errors are given in the lower panel From the beginning to the end
25. polarization 3 9 10 Lines to supply the converter RxD O 12 RxD output of RS 232 interface with optoisolation 13 TxD input of RS 232 interface with optoisolation Mass of RS 232 interface with optoisolation L DSR input of RS 232 interface with optoisolation ETHERNET DTR output of RS 232 interface with optoisolation In the RJ 45 socket of the Ethernet interface 2 diodes are located e green ACT signalling the network activity of the device transmission Fig 4 or reception External connections of e orange LNK signalling the active the PD8 converter network connection Description of RJ 45 socket signals Table 2 No Sina Description 1 TX Transmission 2 TX Transmission 3 RX Reception LN 4 EPWR 5 EPWR no used Fig 5 6 RX Reception Frontal view of the RJ 45 no used N no used Ethernet interface socket 13 3 3 Connection way with devices The fig 6 presents the manner of PD8 converter connection with devices from the object side with RS 485 interface and the computer equipped with Ethernet interface From the RS 485 interface side the converter can be directly connected to the RS 485 bus For the Ethernet interface the twist of STP type screened of category 5 should be set with RJ 45 plugs and the wire colouring in accordance with the table 3 in the following standard e EIA TIA 568A for b
26. possible in the mode one to several in the shape of a set including maximally 65 converters Fig 4 The version nr 2 operates in the local Ethernet network servicing the UDP datagram protocol 2 PD8 CONVERTER SET The converter set is composed of PD8 converter 1 pc PD8 user s manual 1 pc warranty card 1 pc mini CD with software 1 pc When unpacking the converter please check the delivery completeness and whether the type and version code on the data plate correspond to the order z YIOMJOU e ui LAN 5 AY jo 64 A 10 891261 dan 0 891 26 w dl IAIpur 39015 13193 3 _ 13NU3H13 ZLN 18201 OLN YJOMJOU Bale APIA ue 941 JO uogeoi dde 2 64 19 O1 U03 SS JPPV dl jounsiq 94 SSOIPPV dl ATE UE 68 9 as 13NU31NI 13Nu3H13 Jojnog OLN eDpiaq eros ay ui
27. rial ports and in such systems virtual serial ports must be installed as COM1 4 One must correct the parameter of the maximal response time for the slave devices timeout accessible in master devices to the correct value for PD8 26 The delay value can be maximally 1000 ms and depends on e maximal response time of slave devices with MODBUS protocol and RS 485 interface flow capacity of the Ethernet network which the PD8 converter is connect to 5 SERIAL BRIDGE MODE WITH UDP PROTOCOL The converter operation in the serial bridge mode enables the expansion of the RS 485 bus by successive segments by means of additional PD8 converters and the Ethernet network The bridge configuration in the local area allows to create maximally 65 accessible points between the RS 485 and Ethernet network using 65 PD8 converters The service configuration of the serial bridge for the given converter can be divided on 4 stages e determination of serial link transmission parameters e switching the service client on definition of addresses and IP ports for other converters which have to retransmit serial data frames e definition of the operation way for the mechanism buffering frames of the serial transmission protocol e switching the service server on the given IP port of the configured converter The setting of the serial bridge operation way is carried out by using the configuration application on the Web page of the given PD8 which is ca
28. rk side because of other devices action The level of this interference should be reduced to a value smaller than the resistance threshold first of all through the appropriate installation of the converter in the object In order to obtain a full immunity of the converter against electro magnetic Interference in an environment with unknown interference N level it is recommended to observe following principles e There should be a switch or a circuit breaker in the building installation This element should be situated near the device easy accessible for the operator It should be marked as the instrument switching the device off e Do not supply the converter from the network near devices generating high pulsing interference 19 e Apply network filters for groups of modules servicing the same object e Apply the general principle that the wires group of wires leading different signals should be led in the possible farthest distance between them not less than 50 cm and the crossing of such group of wires should be made at right angle e Taking into consideration electromagnetic interference one must use shielded wires to connect RS 485 interface signals The shield must be connected to the protective terminal in a single point The supply must be connected by two wire cable with a suitable cross section ensuring its protection by means of a cut out 3 5 Transmission parameters of the serial interface The PD8 converter co
29. rter is available in two versions concerning its operation manner RealPort network service and serial bridge with UDP protocol In the version nr 1 the PC computer with the Ethernet network card is the connected master device In the version nr 2 the converter co operates with the device with the master function and the RS 485 and RS 232 serial interface The version nr 1 of the PD8 converter requires the installation of a programmed controller of the virtual serial port on the PC computer with the Windows system This controller ensures to present days master systems e g LUMEL HEAT and LUMEL ENERGY systems the possibility to transmit data between devices with RS 485 or RS 232 interface through the Ethernet network thanks the use of converters of PD8 type Fig 1 The converter used in this manner enables to co operate only with one master computer in the giving moment In case of using PD8 for servicing MODBUS and LUMBUS industrial protocols its correct co operation with master systems on a PC depends on their built in mechanisms to control break time intervals between received transmission characters When using PD8 in the version nr 2 one can develop the RS 485 bus with successive segments by means of additional PD8 converters and the local Ethernet network The suitable configuration at least of one pair of converters allows to obtain their operation in the serial bridge mode Fig 3 The configuration of their operation is also
30. specific safety and application notes in this User s Manual Before taking the converter housing out one must turn the supply off The removal of the converter housing during the guarantee contract period may cause its cancellation 11 3 1 Converter installation The PD8 converter is foreseen to be installed on a 35 mm DIN rail in accordance with the fig 3 A 2222202222 9 10 11 12 13 14 15 16 PD8 TY L TI RxD O TxD O 74 O N ACTE pu 1 LNK 0 123 45 6 7 8 65006060606 L 100 45 gt lt gt Fig 3 Overall and assembly dimensions 3 2 PD8 electrical connections The supply and external signals must be connected acc to fig 4 and 5 and tables 1 and 2 in which the assignment of particular PD8 converter lead outs have been described There are three diodes on the converter frontal plate e Green signalling the supply switching on e Red RxD signalling the data reception through RS 485 e Yellow TxD signalling the data broadcasting through RS 485 12 Description of PD8 converter leads out Table 1 Terminal Terminal description SUPPLY 5 Mass of RS 485 interface with optoisolation RS232 a Line B of RS 485 interface with optoisolation Line A of RS 485 interface with optoisolation Output 5V for busbar
31. the serial commu nication by the Ethernet communication The PD8 converter design allows to obtain in the given time only one network connection of the RealPort service That means that only one PC computer of any IP address can communicate with the given computer through the virtual serial port For other com puter this service is inaccessible in the given moment and for this reason a suitable message about the error appears on their screens 4 1 Information about RealPort service driver files Files of the RealPort service driver are accessible on enclosed mini CD Versions for two different Windows systems are in two catalogues version for MS Windows 98 and MS Windows Me version for MS Windows 2000 MS Windows XP Depending on the system version one must install the suitable version of the RealPort driver in the operator computer Details of the service driver installation for Windows systems are accessible on the Web page of each PD8 converter 4 2 Example of the driver installation in XP Windows In order to install the RealPort service driver in the popular operating system presented by Microsoft Windows XP one must carry out following operations the installation in other Windows versions differs insignificantly Follows these steps to install RealPort on Microsoft Windows XP 1 Click Start click Settings and then click Control Panel 2 Double click Add Remove Hardware to start the Add
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