GWY-500 (Profibus Gateway) USER'S MANUAL
Contents
1. Hefer our website www renuelectronics com for your specific Cable requirements Doc UMAN GWY 500 B 0106 REVISION 0 HARDWARE Pin Description Pin Name Signal Level Description 1 85422 RS485 Differential Transmit also referred as 2 TXD 85232 Transmit 3 85232 5 Receive 4 RS422 RS485 Differential Receive also referred as 5 GND Signal Ground common to all signals 6 5VDC DO NOT USE 7 TXD CMOS Transmit 8 TX 85422 5485 Differential Transmit also referred as TXB 9 RX 85422 RS485 Differential Receive also referred as RXB User can convert RS485 4 wire Signal Ground system to a 2 Wire Signal Ground system by shorting following signals in the communication cable TX A RX B RX SG Note If user has attached shield to Earth on Device end leave the shield open on Gateway end If user has connected shield to Signal Ground on Device end connect shield to Signal Ground on Gateway end A and B are polarity insensitive Twisted pair cable should be used for Rs485 Network Upto 31 Devices can be multi dropped on RS485 port of Gateway Doc No UMAN GWY 500 B 0106 REVISION 0 HARDWARE Profibus DP Slave Data Ground RTS TTL Direction control for repeaters B Data Line Shield Functional Ground A Data Line 1 45V DC 5 Supp2. 3K Internal Database 100 words Memory Output Gateway firmware system and external profibus master both act as a master on this memory Though Gateway Profibus driver is slave with respect to external profibus master device Gateway firmware system assumes this driver as a master driver as it is master to 200 words internal memory Note Profibus detects baud rate automatically So baud rate feild in PLC2 Settings of Gateway software does not have meaning specific meaning Source ID and Destination ID related to Profibus driver does not have specific meaning Profibus ID is set by Gateway configuration software PLC2 settings Advanced How other serial drivers work Example1 Toshiba ASD In drivers like Toshiba ASD s single parameter is read at a time It does not allow multiple parameters read So in case of Toshiba ASD s driver concept of Internal Database is not used Example2 Toshiba PLC Since drivers like Toshiba PLC Modbus allow multiple register reading in one block in this case concept of Internal Database is used Note Concept of Internal database IDB is explained on next page renu Doc No UMAN GWY 500 B 0106 REVISION 0 30 NOTE ON COMMUNICATION DRIVERS Let us have a glance at Internal database Please refer the following example idb prj Gateway GW Y SOD Profibus DP Slave Communication Hardware Test Help P ex m 8 L
3. Channel Functions Offline Parameter Online Parameter Compare Configuration Observe Diagnosis Additional Functions Export to HTML Properties Eis Error Log 6 When The Slave starts communicating with master the COMM led gets on 7 User can watch the area CIO3200 and CIO3300 with help of CX Programmer e Doc No UMAN GWY 500 B 0106 REVISION 0 CREATING PROJECT 8 2 Setup Of GWY 500 B with Siemens Profibus Master 1 If the slave is not of Siemens family you need to install the GSD file for it H W configuration Option Install New GSD You can see the GSD file in Additional Field Devices in Hardware Catalog HW Config SHAATIC 300 1 Configuration Danashri Shinde FREIE IE 4 SIMATIC 300 aco E SPARTIC Conia 300 400 x SIMATIC PC Seaton 5x I CPU 315 2 DP 57 __ mer one ur cesa eoo eeu xe PROFIBUS OF sbrega for 57 H and eck GSD the meten end updates me of rhe ca s reny B Doc No UMAN GWY 500 B 0106 REVISION 0 59 CREATING PROJECT 2 Next step is to form the Profibus Network Refer Hardware Catalog for selecting the devices a In Rack 0 slot 2 user should enter CPU i e Siemens Master b Slave module is added in front of Master module HW C
4. corresponding Block is executed depending on its Repeat Cycle When bit is low 0 execution of corresponding Block is disabled 4 4 Error Indication Bit This feature enables detection of communication breaks during error free communication between Gateway and two devices Communication breaks can occur due to no cable connection wire faults device power failure at both ends of Gateway An Error bit can be designated in each external device connected to Gateway Using this bit fault the end can be reported to PLC2 Device and fault at PLC2 end can be reported to PLC1 Device When communication error occurs on PLC1 Gateway sets error bit in PLC2 device Error Indication Bit can only be used in Master Master mode In Master Slave mode any error can easily be detected by a communication time out on the Master Error indication bit can be enabled using Gateway configuration software Normally Error bit is disabled for a New project It can be enabled just by clicking on the check box in the setup software Error indication bit can be enabled in both or any one of the Devices connected to Gateway Error Indication bit is OFF to indicate error free communication In case of communication error on PLC2 Gateway sets error bit on PLC1 port and vice versa 4 5 Communication Parameters Communication Parameters of Gateway can be set from configuration Software This enables Gateway to readily commu nicate with any device Com
5. replace or service any printed circuit board components or any hardware software related with display product If problem within the display product occurs contact the factory for service information or repair NOTE Renu Electronics Pvt Ltd is dedicated to providing complete customer service and customer satisfaction If you have any comments or criticisms about how to improve the product features reliability Please make a note of the problem improvement and notify us We are always open to new ideas and improvements So please let us know your ideas and comments IMPORTANT Gateway Products are intended to be Protocol Converters Data Sharer devices that can also take control actions on request of device being connected It is assumed that user is well acquainted with the PLC Inverters Controllers being used Any Mechanical or Electrical Modification to this Unit will void all Warranties Contents INTRODUCTION 1 1 Purpose of this manual 1 2 Introduction to Gateway 1 3 GWY 500 B Specifications HARDWARE 2 1 Dimensional details And Mounting Instructions 2 2 Communication Port Details 2 3 LED Status GETTING STARTED 3 1 Introduction To Profibus 3 1 1 Protocol Architecture 3 1 2 Device Types 3 1 3 PROFIBUS DP Charactristics 3 1 3 1 Bus Access Protocol 3 1 3 2 Data Throughput 3 1 3 3 Diagnostic Functions 3 1 3 4 Protection Mechanism 3 1 3 5 Network States 3 1 4 Device Data Base Files 3 1 5 Profiles 3 2 Introduction To GWY
6. 500 B 3 3 GW Y 500 B Operation Configuration And Communication 3 4 Configuration of GWY 500 B IBM Download 3 4 1 When GWY 500 B can accept configuration GWY 500 B FEATURES 4 1 Gateway Modes 411 Master Master Configuration 41 2 Master Slave Configuration 4 2 Repeat Cycle 4 3 Control Word 4 4 Error Indication Bit 4 5 Communication Parameters NOTE ON COMMUNICATION DRIVERS 5 1 Note On Communication Drivers TYPICAL PROJECTS 6 1 Project Setup 6 2 Connect Toshiba Inverter as Profibus DPV0 Slave on Profibus Network with GWY 500 B 6 3 Connect Modicon PLC or other Modbus Slave devices as Profibus DPVO0 Slave on Profibus Network with GWY 500 B 6 4 Connect SCADA Software on Profibus Network CONFIGURATION SOFTWARE 7 1 System Requirements 7 2 Installation Instruction PROFIBUS MASTER SETUP 8 1 Setup Of GWY 500 B with Omron Profibus Master 8 2 Setup Of GWY 500 B with Siemens Profibus Master APPLICATIONS 9 1 Possible Applications of GWY 500 B 38 40 42 43 43 44 45 59 65 66 INTRODUCTION INTRODUCTION In this chapter Purpose of this manual Introduction To Gateway GWY 500 B Specifications e Doc No UMAN GWY 500 B 0106 REVISION 0 INTRODUCTION 1 1 Purpose of this manual Thank you for purchasing GWY 500 B Product from Renu Electronics Pvt Ltd The intention of this User Manual is to provide a guide for Safe installation Configuration and operation of GWY 500 B Functionality
7. Monitor Modify variables TET E UD Doc UMAN GWY 500 B 0106 REVISION 0 63 CREATING PROJECT e Doc No UMAN GWY 500 B 0106 REVISION 0 64 e APPLICATIONS In this chapter Possible Applications using GWY 500 B Doc No UMAN GWY 500 B 0106 REVISION 0 APPLICATIONS 65 APPLICATIONS 9 1 Possible Applications of GWY 500 B 1 PLC To PLC Communication X Protocol Profibus DP Protocol Profibus Master 2 PLC as a Slave in Profibus Network Profibus DP Protocol X Protocol PLC Profibus Master PID Controller 3 PLC Profibus Master as a Slave in Modbus Network Modbus Protocol PLC Profibus Master HMI Software ASTRA by Renu Electronics Modbus Master e Doc No UMAN GWY 500 B 0106 REVISION 0 66 4 Add I O to your PLC Node Profibus DP Protocol Modbus Protocol Profibus Master Node Eagle Analog I O Example Eagle0800 by Renu Electronics Images not to scale Doc UMAN GWY 500 B 0106 t REVISION 0 67
8. continues normal operation If device is not connected it checks for IBM download mode for 10sec This sequence continues until either is satisfied If current driver present for PLC1 port is Slave e g Modbus Gateway as Slave If Port1 of Gateway is Slave all the configurations should be downloaded Only once for 10sec at power on Note Make sure that OK LED is blinking when you start downloading the configuration in Gateway Doc UMAN GWY 500 B 0106 REVISION 0 19 GWY 500 B FEATURES GWY 500 B FEATURES In this chapter R Doc No UMAN GWY 500 B 0106 REVISION 0 Gateway Modes Repeat Cycle Control Word Error Indication Bits Communication Parameters 20 GWY 500 B FEATURES 4 1 Gateway Modes Gateway has two modes of operation Master Master and Master Slave Before explaining these modes further Master and Slave concept should be explained Master Master is a Device device driver which initiates communication Slave Slave is Device Device driver which processes Master s query takes necessary action and responds to the query if necessary 411 Master Master Configuration In this mode both Gateway ports are master in nature and devices connected on these ports are slave Gateway ports initiate communication when the proper Gateway Device communication cable is attached Data is transferred in blocks This transfer can either be a continuous process or as per
9. in series is not recommended 3 1 2 Device Types PROFIBUS distinguishes between master devices and slave devices Master devices Master devices determine the data communication on the bus A master can send messages without an external request as long as it holds the bus access right the token Masters are also called active stations in the PROFIBUS standard DPM1 DPM2 There are two types of master devices DP master class1 DPM1 and DP master class2 DPM2 ADPM1 is a central controller which exchanges information with the decentralised stations i e DP slaves within a specified message cycle DPM2 devices are programmers configuration devices or operator panels They are used during com missioning for configuration of the DP system or for operation and monitoring purposes Slave devices Slave devices are peripheral devices Typical slave devices include input output devices valves drives and measuring transmitters They do not have bus access rights and they can only acknowledge received messages or send messages to the master when requested to do so Slaves are also called passive stations Doc No UMAN GWY 500 B 0106 REVISION 0 13 GETTING STARTED 3 1 3 PROFIBUS DP Charactristics 3 1 3 4 Bus Access Protocol Layer 2 Medium Access Control Token passing Polling procedure Multi peer communication Doc No UMAN GWY 500 B 0106 REVISION 0 Active stations DPMI EN DPM2 Lap Ma
10. meaode prj Gateway GW Y 500 Prafibus DP Slave rere com Node Address lt wp Addr DataType Words Bits Scaling Factor Skip For Skip on Comm Fail Fai aum k 400001 Word mac pg A 5656 Chose Error Indi Control PLC Set PLCZ2 Set Add Inest Block Remove Com Download Upload T T E By Ready The block execution of the project is as follows Block 1 Gateway reads 16 words starting from 400001 from Modbus and write these 16 words data to internal memory of Profibus Input area Block 2 Gateway reads 16 words starting from 000 in internal memory of Profibus Output area and writes it to holding register starting from 400020 cau B Doc No UMAN GWY 500 B 0106 t REVISION 0 39 TYPICAL PROJECTS 6 4 Connect SCADA Software on Profibus Network Gateway GWY 50DiPrafibus DP Slave Project Communication Hardware Test Help Comi Protocol Com Protecal Modbusiisaceway as Faster Profibus ModbunlGaterray as Slave METH BTU Toshiba Tilik Port Toshiba ASDS SELECTED PROTOCOL SELECTED PROTOCOL PLC Madbus Gateway as Slave PLC Profibus PLC Model ATU PLC Model 51 Cilek Configure Project button on Toolbar Cilek Configure Project button on Toolbar To Configure the Project To Configure the Projec
11. now cpr CX Prolibus 1 CJI1W PRM21 PROFIBUS Masier Conliguralion O 1 188 45 2 1 21 PROFIBUS Master Device Setup Setup Bus Parameters Slave renu e Doc No UMAN GWY 500 B 0106 REVISION 0 56 CREATING PROJECT User can test the configuration by clicking the Test Tab camWesi eight CX Profibus 1 CJTW PRIM PROFILES Master Configuration fe File view Device Took Window 1 PROFIBUS Master 5 2 0 5008 OMAROM Cormorason Firreaare Version gt gt Log User After TEST you should see the following in the Device Information OMRON Corporation This is fixed text indicating the Manufacturer of the PROFIBUSDP Master Unit Description This string will contain the name of the Unit i e CJ1W PRM 21 or CS1W PRM21 Firmware Version This string displays the firmware version currently in the PROFIBUS DP Master Unit Doc No UMAN GWY 500 B 0106 REVISION 0 57 CREATING PROJECT 5 Download the parameters in PLC D Wwork1Yom eight nov cpr CX Profibus File Edit view Device Tools Window Dice alela l MyNetwork Be ic Add Device Delete Device Rename Go Online Go Offline Upload Parameters Download Parameters
12. of all the Gateway models is same Read this User manual thoroughly before installing and operating GWY 500 B This document is based on information available at the time of its publication While efforts have been made to be accurate the information in this document may not cover all the details or variations in hardware or software Features described herein may not be present all hardwares Renu Electronics Pvt Ltd reserves the right to update information in this publication without prior notice 1 2 Introduction to Gateway Gateway is a Protocol Converter Data sharer for devices like PLCs inverters Adjustable Speed Drives and other Control lers Gateway has two serial ports that connect with two different devices These devices share data through Gateway Gateway communicates with a device to get the information required by the device connected on the other port The device that requires data is called Destination Device and the device that provides data is called Source Device Information could be value of a PLC register status of a PLC coil Command from Source Device to Destination Device to perform any action at the destination end Configuration Of Gateway PLC1 OK Profibus COM1 PLC 1 RS232 RS485 CMOS Renu Electronics Ltd Survey No 2 6 Baner Road Pune 411045 INDIA Profibus DP Slave Dus Note Please refer IBM Download in section 3 4 Doc
13. requirement A control word Section 4 3 present in device on either side enabled from Gateway Setup Software can control the block execution When control word is disabled then block transfer is a continuous process A block of data is fetched from one device and transferred to the other device The amount of data to be transferred Number of words depends on Block definition in Block Definition Area in Configuration Software One block is executed at a time A cycle consists of execution of blocks from 1 to n Execution of blocks is performed as follows Block 1 Y Block 2 Y Block 3 Y Block 4 Block n When Control word is enabled it decides which block has to be executed by writing a specific data in the control word Doc UMAN GWY 500 B 0106 REVISION 0 21 GWY 500 B FEATURES Note on Gateway Profibus drivers Gateway Profibus driver uses 200 words of internal memory 100 words for input and 100 words for output as per profibus specification This memory is divided into two parts Input Area and Outptut Area The first word of Input area is 1000 and the first word of Output area is 0000 Pofibus master writes data in Output Area and reads the data from Input Area With Gateway project itis possible for serial devices to read the data from Output Area and also they can write the data in Input Area This memory is shared memory for Profibus master devices and Gateway firmware system
14. this time it can communicate with all assigned slave stations in a master slave communication relationship and a DPM2 master can take the initiative to communicate with DPM1 master stations in a master master communication relationship In addition to logical peer to peer data transmission PROFIBUS DP provides multi peer communication broadcast and multicast Broadcast communication An active station sends an unacknowledged message to all other stations masters and slaves Multicast communication An active station sends an unacknowledged message to a predetermined group of stations masters and slaves 14 GETTING STARTED 3 1 3 2 Data Throughput Transmission time 3 1 3 3 Diagnostic Functions Extensive diagnostics Device related diagnostics Module related diagnostics Channel related 3 1 3 4 Protection Mechanism Time monitoring At the master rca At 12 Mbit s PROFIBUS DP requires only about 1 ms for the transmission of 512 bits of input data and 512 bits of output data distributed over 32 stations The figure below shows the typical PROFIBUS DP transmission time depending on the number of stations and the transmission speed The data throughput will decrease when more than one master is used 250 Baud Rate Bus cycle time m s 5 5 Slaves The extensive diagnostic functions of PROFIBUS DP enable fast location of faults The diagnostic messages are transmitte
15. Configuration of GWY 500 B IBM Download User MUST download Project PLC1 driver and PLC2 driver in Gateway before installing any system using Gateway Gateway can accept drivers and configuration data on either of the ports User needs a special IBM download cable for downloading configuration in Gateway All configurations can be downloaded only form Serial port Port 1 The other port is dedicated for Profibus Slave Port 2 If any change in the current working project is made user must download the changed project in Gateway Doc No UMAN GWY 500 B 0106 REVISION 0 18 GETTING STARTED Pin details of IBM download cable for GWY 500 B are as follows DB9 Male Gateway Female 2 2 3 3 5 5 1 For downloading Firmware drivers and project switch off the GWY 500 B unit 2 Power ON the unit again Ok LED starts blinking This means that unit is in download mode 3 For the first time download all firmware drivers and project IMPORTANT NOTE AS GATEWAY HAS MULTIPLE SIGNALS ON ITS COMMUNICATION PORTS IBM CABLE FOR GATEWAY MUST HAVE ONLY THREE RS232 SIGNALS TXD RXD AND GND AS MENTIONED ABOVE 9 9 PIN CORE CABLE SHOULD NOT BE USED 341 When GWY 500 B can accept configuration If current driver present for PLC1 port is Master e g Modbus Gateway as Master First itis checked that whether device is connected on port1 If device is connected it
16. ERATE Bolo CLEAR Mode Dea Mode OFF Auro Aube renu R Doc No UMAN GWY 500 B 0106 t REVISION 0 54 CREATING PROJECT You can change the baud rate in Bus Parameter tab 7 Ditwenrkt tom cam est eight CX Prafibus 1 C11 W PRMZ1 PROFIBUS Master Configuration KE elf SB Fie Edt Devis Took Window Help B Device Setup Hase Setup Bus Parameters Stawa Arsa Baud Fist 1500 Lance Optimize 35 HER 2 45 45 Slot time Min Intervet Min es Min Slavs 36523 Station Delay ol Respondas Ba Target Flotation Tise Time iBa Mars Ratip Limit Time 1 Highest Station Address GAP Uplate Factor 1 Poli Timeout 10 ms Dats Control Tame ms 4 gt n is Ema Log In Omron master some area is assigned for Input Input to Master and Output output from master reau Doc UMAN GWY 500 B 0106 REVISION 0 55 CREATING PROJECT In case of this project itis CIO3300 for Input and 103200 for output The type of PLC and communication port Baud Rate should be specified in Device setup tab Configure Device Type Settings Configure Network Type Settings iom comibesi eight
17. GWY 500 Profibus Gateway USER S MANUAL COPYRIGHT NOTICE This manual is a publication of Renu Electronics Pvt Ltd and is provided for use by its customers only The contents of the manual are copyrighted by Renu Electronics Pvt Ltd reproduction in whole or in part for use other than in support of Renu Electronics Pvt Ltd equipment is prohibited without the specific written permission of Renu Electronics Pvt Ltd SERVICE If service is required then pack the unit in its original packaging container or if unavailable any suitable rigid container If a substitute container is used surround the unit with shock absorbing material damage in shipment is not covered by the warranty Include a letter with the unit describing the difficulty and Hardware Revision and Software Version Send to the following address Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 India All returns will be tested to verify customer claims of noncompliance with the product warranty Improper return packaging which makes verification impossible will void the warranty If noncompliance is verified and is not due to customer abuse or the other exceptions described with product warranty Renu Electronics Pvt Ltd will at its option repair or replace the Product returned to it freight prepaid which fail to comply with the foregoing warranty provided Renu Electronics Pvt Ltd is notified of such noncompliance within the one ye
18. MB or more Serial Mouse Required RAM 16 MB or more Display resolution 800 X 600 VGA or better Display colors 16 bit color 7 2 Installation Instruction Use the following procedure to install the Microsoft Windows based Gateway setup software This installation shows the procedure to install the software from a CD Disk on drive E On machines with different drive configurations change the names as needed It is recommended that a backup disk of the Gateway setup software disk be created and stored in a safe place 1 Launch the Windows operating system 2 Insert the setup CD into CD drive 3 Point to the start button then click RUN 4 In the command line box enter E Disk1 setup exe Click OK This will launch the Gateway installer 5 Follow the instructions to complete setup RH Gateway Project Each Gateway must be configured before connecting it to the PLC Gateway configuration software allows the following 1 Create a new Gateway project Select protocols for both communication ports of gateway Create blocks for data to be shared Set Communication Parameters for both the ports Set Control Word Optional Set Error Indication Bit etc Optional 2 Downloading Download Project Download drivers Download new firmware if required only for upgrading 3 Upload Project The existing project in the gateway module can be viewed edited 4 Upload System Data This option enables v
19. No UMAN GWY 500 B 0106 REVISION 0 INTRODUCTION Normal Operation Profibus DP Protocol X Protocol PLC Profibus Master Noden PID Controller Connect Profibus Master device to Gateway via Profibus port and serial device PLC or Inverter via the PLC s communica tions port correct cables are required and the PLCs can easily exchange information with the Profibus DP devices reny Doc UMAN GWY 500 B 0106 REVISION 0 INTRODUCTION 1 3 GWY 500 B Specifications Power 24 V DC 2 5 W LED s 3 3 LED s for status indication Communication Ports 2 Communication ports with COM RS232 5422 R8485 CMOS COM Profibus DPVO Slave 2 Wire RS485 Isolation between communication ports and Power supply through DC DC coupler is 1 KV PLC1 Connects to for setup download or connects to PLC1 at runtime COM2 PLC2 Profibus DPVO Slave 2 Wire RS485 Isolation between ports through opto isolation is 1KV rms for 1 min Profibus Baud Rate 9 6k 19 2k 45 45k 93 75k 187 5 500k 1 5 3M 6M 12M Bit s Autodetect GSD File Supplied with the unit GSD File Name RENUOAOE GSD data 100 Word Input 100 Word Output Profibus Slave ID 0 125 ID should be provided through Gateway Setup Software PLC2 Settings Advanced Operating Temperature 0 to 60 Storage Temperature 20 10 80 Humidity 5 10 to 9096 Non condensing Mou
20. ad and updated in 1005 Block 7 The error history code of the inverter is read and updated in 1006 Block 8 The value of O000 is set as command frequency of the inverter Block 9 According to the value of O001 the inverter is Run Stop Block 10 The value of O002 is set as Acceleration time1 of the inverter Block 11 The value of O003 is set as Decelaration time1 of the inverter Block 12 According to the value of O004 the direction Forward Reverse of the inverter is changed B Doc No UMAN GWY 500 B 0106 t REVISION 0 37 TYPICAL PROJECTS 6 3 Connect Modicon PLC or other Modbus Slave devices as Profibus DPVO Slave on Profibus Network with GWY 500 B Gateway GWY 300 Prafsbus DP Slave Project Communication Hardware Test Help Protocol Com Protecal Modbus Gatesray nz Master RTU EX EY ModbustiGsterray os Seven Toshiba T Link Port PLC Toshiba SELECTED PROTOCOL SELECTED PROTOCOL PLC Madbus Gateway Master PLC Profibus PLC Model ATU PLC Model DPI SLAVE Click Configure Project button on Toolbar Click Configure Project button on Toolbar To Configure the Project Configure the Project m Configure Open Proj Upload Pr Upload Sy Back Raady COM Protocol Modbus Master Protocol Profibus DPVO Slave reny B Doc No UMAN GWY 500 B 0106 REVISION 0 38 master master
21. ady 3t Words defines number of registers coils to be read written between two devices Block 1 Gateway reads 16 words starting from 400001 from Modbus and write these 16 words data to internal memory of Profibus Input area Block 2 Gateway reads 16 words starting from O000 in internal memory of Profibus Output area and writes it to holding register starting from 400020 As this example has only two blocks Gateway will execute Block 1 after executing Block 2 continuing this cycle forever Notes 1 Maximum 255 blocks can be configured in any mode Doc UMAN GWY 500 B 0106 REVISION 0 23 GWY 500 B FEATURES 41 2 Master Slave Configuration In this mode one of the Gateway ports is a master and other is the slave so the devices connected on these ports are slave and master respectively Blocks do not control data transfer in this mode Data transfer takes place only when Master Device connected on slave port of Gateway sends a request to read write data This mode requires mapping registers for data transfer Mapping means defining one or multiple registers in the Slave Device corresponding to one or multiple registers coils in the Master Device Mapping can be done using the Block definition area so in this mode any Block is used for mapping registers of the two devices In Block Definition area Words Field indicates number of registers to be mapped linearly from the starting addresses of the Sour
22. ake sure to screw the cables to the DB9 connectors on the Gateway unit DIN rail plate also has the provision to screw the unit to the back panel Following drawing shows how to attach the DIN rail plate to the unit 40 Slot for DIN rail clamp clamp u GWY 500 A Follow instructions given below 1 Attach the DIN rail plate to the unit using the clamps on the DIN rail plate 2 Pull out the clip of the plate 3 Put the unit on the DIN rail 4 Push the clip in to secure the unit on the DIN rail GWY 500 B unit is shipped with a separate DIN rail plate which has to be attached to the unit if needed User can use the unit with or without the DIN rail plate Following sketch shows mounting details of GWY 500 B with the DIN rail plate renu B Doc No UMAN GWY 500 B 0106 REVISIONO HARDWARE 50 6 mm gt 109 4 29 in 7 2 2 Communication Port Details Gwy 500 B has two communication ports COM1 and COM2 COM port is compactible to RS232 RS422 85485 CMOS signal levels Pinout of this port is given as follows PLC1 Signal Ground RX RS422 RS485 RS422 RS485 TX RS422 RS485 RXD RS232C CMOS TXD CMOS 31 I TXD 5VDC 6 TX RS422 RS485 DO NOT USE DB9 Female not use no 6 of PLC1
23. ar warranty period ASSISTANCE This manual is designed to provide the necessary information for trouble free installation and operation of your new Gateway product However if you need assistance please call Renu Electronics Pvt Ltd at 91 20 27292840 or visit our web site at www renuelectronics com MANUAL REVISION If you contact us in refference to this manual please include the following document number Name Profibus Gateway GWY 500 B User s Manual Part Number URML204 Document UMANWNGWY 500 B 0106 Revision Revision 0 19 01 2006 GSD file location is specified Warranty Certificate For New product This product is warranted against defects in materials and workmanship for a period of 12 months from the date of shipment to Buyer For Rectified Products Any product that will be replaced will have Warranty for 6 months or upto Original Product Warranty period whichever is greater The warranty is limited to repair or replacement of the defective unit at the option of the manufacturer This warranty is void if the product has been altered misused dismantled or otherwise abused ALL OTHER WARRANTIES EXPRESSED OR IMPLIED ARE EXCLUDED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE MAINTENANCE amp SERVICE There are no parts that can be serviced by the user Service should be performed on a unit substitution basis only Do not attempt to remove
24. arious serial protocols on the other side GWY 500 B allows serial devices to act as Profibus Slave on Profibus Network COM2 COM1 Profibus slave driver Any Serial Driver ateway Firmware System EB Internal Database 100 words Output Memory Doc No UMAN GWY 500 B 0106 REVISION 0 17 GETTING STARTED On COMI side it supports serial protocols e g Modbus Mastre Modbus Slave and on COM side it has Profibus DPVO Slave Protocol Profibus Slave uses internal memory It is divided into two parts Input Area and Outptut Area Profibus master writes data in Output Area and reads the data from Input Area With Gateway project it is possible for serial devices to read the data from Output Area and write the data in Input Area of Profibus Slave GWY 500 B is externally powered from 3 pin terminal block and power is isolated from both communication ports Both the communication ports are also isolated from each other It has two communication ports one with Profibus DPVO network interface 9 6Kbps to 12 Mbps and serial port with RS232 85422 2 or 4 wire RS485 300 to 115 2K Microsoft Windows based configuration software Gateway Setup helps user to configure Gateway unit Configuration means making the Gateway unit work as per the system requirements The complete configuration for a unit is termed as Project Project comprises of device names Register addresses condition for block executi
25. as shown bellow COM2 COM1 Profibus slave driver Any Serial Driver ateway 1 Firmware System n 3K Internal Database 100 words Output Memory Gateway firmware system and external profibus master both act as a master on this memory Though Gateway Profibus driver is slave with respect to external profibus master device Gateway firmware system as sumes this driver as a master driver as it is master to 200 words internal memory Doc No UMAN GWY 500 B 0106 REVISION 0 22 GWY 500 B FEATURES Let us see the example of Master Master mode as shown in the picture below Configure Gateway ports as PLC1 Protocol Modbus Gateway as Master PLC2 Protocol Profibus master master meaode prj Gateway GW Y 500 Prafibus DP Slave File Edt ew Communication Hardware Test Helo Block Source PLC Source ID Source Address Destination Destination ID Destination Address Comment L 00016 1 40000 L 1000 1 2 00016 Profibus 1 0000 400021 1 TDS COMI _ Address Starting Addr DataType Scaling Factor Ship Fal Value 400001 Word 3 d es 65535 7 T By Save Choe Error Indi Control PLC Set PLCZ2 Set Add Mie Irast Block Remove Com Download Upload Ra
26. ce Device to the Destination Device Maximum number of registers that can be mapped is 255 but this does not mean that Master Device has to read write 255 registers in one command In one command Master can read write registers from one Block only so if multiple registers are to be read written using a single command Words also limits the maximum number of registers to be read written Number of registers to be read written in one command also depends on protocol of BOTH the devices Buffer capacity of Gateway Now let us take the example of Master Slave mode Configure Gateway ports as PLC1 Protocol Modbus Gateway as Slave PLC2 Protocol Profibus Doc No UMAN GWY 500 B 0106 REVISION 0 24 GWY 500 B FEATURES master slawe meode prj Gateway GWY 5DO Prafibus DP Slave 7 gt um Save Chose nd Control PLCI Set PLC2 Set Add Bock Remove IBM Com Download Lipinad Ready Doc UMAN GWY 500 B 0106 ni REVISION 0 25 GWY 500 B FEATURES Block 1 maps 100 words of Modbus starting from 300001 to Profibus starting 0000 Block 2 maps 100 words of Modbus starting from 400001 to Profibus starting from 1000 In above example request from Modbus Master is executed as follows 1 Modbus Master connected on serial port COM1 sends command to Gateway for setting holding register 400001 2 Gateway searches defined Blocks a
27. configuration setting determines the subsequent actions If this parameter is set to false the DPM1 remains in the Operate state If set to true the DPM1 switches the outputs of all assigned DP slaves to the fail safe state and the network state changes to the Clear state 3 1 4 Device Data Base Files GSD file rca Doc UMAN GWY 500 B 0106 REVISION 0 To achieve straightforward configuration of a PROFIBUS DP network the characteristic features of a device are specified in a file This file is called a GSD file Ger testammdaten file The language of the GSD file is expressed with the last letter from the extension GS Default GSD English GSE Deutsch GSG Italian GSI Portugees GSP Spanish D GSS The GSD files are prepared individually by the vendor for each type of device according to a fixed format Some parameters are mandatory some have a default value and some are optional The device data base file is divided into three parts 16 GETTING STARTED General section 1 General specifications This section contains the vendor name the device name hardware and software release versions station type and identification number protocol specification and supported baud rates DP master section 2 DP master related specifications This section contains all parameters which only apply to DP master devices e g maximum memory size for the master parameter set maximum number of entries
28. configure the Input and Output modules iom eight nov cpr CX Profibus Fie View Deea Took Windom Help 0189 jejej a Lar FFIDFIBUS Master Devi reny Doc No UMAN GWY 500 B 0106 REVISION 0 49 CREATING PROJECT b In Parameter tab keep it to common 7 Dworki iom camWest eight now cpr CX Prafibus 2 GWY 500 H Configuration Fle Edt Wee Device Took Window dl Device 5008 1 PROFIBUS Vendor Ren Pvt Lid Configuration Parameter Group lt No UMAN GWY 500 B 0106 REVISION 0 50 CREATING PROJECT c In Group tab assign the group for the slave for global commands 7 camWesi eight now cpr CX Profibus 7 GWY 500 B Configuration sl File Edt Device Took Window Heb 1 PROFIBUS Master Cw B GSD Fle RENUDADOE 550 5 2 Gwv 5008 Pit Lid ideni Humber Configuration Parameter Group he Group 1 Group 5 Group 2 Group 2 Group Group 4 Group 8 gt w Log User Acvinitrator Doc UMAN GWY 500 B 0106 ni REVISION 0 51 CREATING PROJECT 1 comWesi eight now cpr CX Profibus GW Y 500 B Configu
29. d over the bus and collected at the master These messages are divided into three levels 1 Device related diagnostics These messages concern the general operational status of the whole device e g overtemperature or low voltage 2 Module related diagnostics These messages indicate that a fault is present in a specific I O range e g 8 bit output module of a station 3 Channel related diagnostics These messages indicate an error at an individual input or output e g short circuit on output 5 PROFIBUS DP provides effective protection functions against parameterisation errors or failure of the transmission equipment Time monitoring is provided atthe DP master and at the DP slaves The monitoring interval is specified during the configuration 1 Protection mechanism at the master The 1 master monitors data transmission of its active slaves with the Data Control Timer A separate control timer is used for each slave This timer expires when correct data transmission does not occur within the monitoring interval If the master s Auto Clear mode is enabled the DPM1 exits the Operate state switches the outputs of all assigned slaves to fail safe status and changes to its Clear state Doc No UMAN GWY 500 B 0106 REVISION 0 15 GETTING STARTED At the slave 3 1 3 5 Network States 1 Protection mechanisms at the slave The slave uses the watchdog control to detect failures of the master or the tran
30. ed on COM1 and writes the parameters to PLC Controller con nected on and vice versa Gateway GWY 0D Prafibus DP Slave Project Communication Hardware Test Help Probosal Com Prabocal Modbus Gates as Master Modbus Gaterray as Slave Toshiba Port PLE Toshiba 511 DRIVE SELECTED PROTOCOL SELECTED PROTOCOL PLC i Toshiba 506 PLC Profibus PLC Model Toshiba 511 DRIVE PLC Model ELAVE Click Configure Project button on Toolbar Click Configure Project button on Toolbar To Configure the Project To Configure the Project COM Protocol Toshiba S11 Protocol Profibus Both thses Protocols does not need IDB reny B Doc No UMAN GWY 500 B 0106 t REVISION 0 36 A eo m AMI Close Error indi Control PLCI Set PUCZ Seb AddNew inert God Remove MBF Com Uplaad The block execution of the project is as follows Block 1 The current output frequency of the inverter is read and updated in 1000 Block 2 The current output power of the inverter is read and updated in 1001 Block 3 The Acceleration time1 of the inverter is read and updated in 1002 Block 4 The Decelaration time1 of the inverter is read and updated in 1003 Block 5 The output voltage of the inverter is read and updated in 1004 Block 6 The current of the inverter is re
31. eld should be kept as 1 Repeat cycle defines the number of times a Block will be skipped while executing Blocks in a sequential manner Block will not be executed for Repeat Cycle 1 cycles So if Repeat Cycle for a Block is 1 it will be executed in each cycle whereas if Repeat Cycle is 2 then this Block will NOT be executed in alternate cycles For example suppose Blocks are defined with following Repeat Cycles Block 1 Repeat Cycle 1 Block 2 Repeat Cycle 2 Block 3 Repeat Cycle 3 Block 4 Repeat Cycle 4 After power up Cycles will be executed as follows Cycle 1 Block 1 Block 2 Block 3 Block 4 Cycle 2 Block 1 Cycle 3 Block 1 Block 2 Cycle 4 Block 1 Block 3 Cycle 5 Block 1 Block 2 Block 4 4 3 Control Word Another way of controlling Block execution is by use of the Control Words 16 control words i e 255 control bits are available by which user can control 255 blocks Control bit corresponds O bit of control word 1 16 Control bit corresponds O bit of control word 2 255 Control bit corresponds 15 bit of control word 16 By default 0 to 255 control bits are mapped to 1 to 256 blocks User can change value of the control bit Control Word can be enabled or disabled in Gateway Configuration Normally Control Word is disabled for a New project It can be enabled just by clicking on check box in the setup software Control Word can be chosen from any of the Devices connected If
32. i Ready Doc No UMAN GWY 500 B 0106 REVISION 0 31 zi NOTE ON COMMUNICATION DRIVERS According to the project defined in Gateway software the Gateway software automatically generates its own IDB Gateway drivers use this IDB for optomized communication as explained below 1 Registers required for a project are grouped in a block of registers calculation based optimized block and entire block is read By Gateway in one cycle instead of reading individual registers 5 words from 400001 10 words from 400010 18 words from 400020 are grouped in one block Please refer the first block IDB FOR 1 25 words from 300001 3 words from 300025 are grouped in one block Please refer second block FOR These blocks are uploaded read in continuous fashion in the background by Gateway driver and data is stored in internal database memory So time required for read cycle is optimized 2 Write operations are on comparison basis Since all the registers data is already present in internal database memory of Gateway driver every time before performing write operation data is compared with the internal memory data In this way unnecessary write operations can be avoided The PLC2 driver uses this data whenever needed according to gateway project The Internal database is associated only with Master drivers Every Master driver has its own internal database of 3KBytes Data fetched by the master driver from e
33. iewing of version number status of firmware drivers used and boot block R Doc No UMAN GWY 500 B 0106 REVISION 0 43 CREATING PROJECT PROFIBUS MASTER SETUP In this chapter Setup of GWY 500 B withOmron Profibus master Setup of GWY 500 B withSiemens Profibus master R Doc No UMAN GWY 500 B 0106 REVISION m CREATING PROJECT 8 1 Setup Of GWY 500 B with Omron Profibus Master For Profibus communication user needs the software Cx Profibus You need to enter the password as password default you can also change that The steps for configuration of Profibus network are as follows AUTOMATION SUITE an 2 CX Profibus Login User Administrator assword ro Cancel 4 y Copyright 2003 Corporation This program is protected by U S and International copyright laws All rights reserved OMRON reny Doc No UMAN GWY 500 B 0106 REVISION 0 45 CREATING PROJECT 1 First install the GSD file for Profibus slave module View Device Catalogue Install GSD file Unnamed CX Profibus Device Catalogue fm x Device Took Window Alea MgHebwork 200040 OMRON Comeoration CHwePERMgTP 0101 20084 OMRON Cmporadon 2 1 0 2002400 OMRON Corporation 200240 OMRON Corporation 21 200040 OMRON Como
34. in the list of active stations or the maximum number of slaves the master can handle DP slave section 3 DP slave related specifications This section contains all specification related to slaves e g minimum time between two slave poll cycles specification of the inputs and outputs and consistency of the data Configurator The device data base file of each device is loaded in the configurator and downloaded to the master device Refer to the Operation Manual of the PROFIBUS DP Master Unit for usage of the GSD file in the master s configuration software GSD files are usually supplied with each unit Alternatively GSD files can be downloaded from the Internet either from the manufacturer s site or from the GSD library of the PROFIBUS Nutzerorganisation at http www profibus com 3 1 5 Profiles Exchanging devices To enable the exchange of devices from different vendors the user data has to have the same format The PROFIBUS DP protocol does not define the format of user data it is only responsible for the transmission of this data The format of user data may be defined in so called profiles Profiles can reduce engineering costs since the meaning of application related parameters is specified precisely Profiles have been defined for specific areas like drive technology encoders and for sensors actuators 3 2 Introduction To GWY 500 B GWY 500 B is a communication bridge between Profibus Network interface on one side and v
35. ly Voltage for terminator resistance DB9 Female Data Line The Profibus user group recommends the following color coding for the data signal lines A Data Line Green B Data Line Red These data signal lines must be connected to the corresponding signal terminals or pins at the master unit and other stations i e A to A B to B RTS The signal RTS TTL signal relative to Data Ground is meant for the direction control of repeaters in case repeaters without self control capability are used 5V DC Data Ground The signals 5V DC and Data Ground are meant to power an externally mounted bus terminator The powering of the 220 termination resistor ensures a defined idle state potential on the data lines To ensure proper functioning up to the highest baud rate each bus segment has to be terminated at both ends of the cable 5V DC 300 Ohm B Data Line 220 Ohm A Data Line 300 Ohm Data Ground Doc UMAN GWY 500 B 0106 REVISION 0 HARDWARE 2 3 LED Status There are 3 Bicolor LEDs for status indication Bicolour LEDs status OK Green No Firmware Both side COM1 and COM2 communication Red PLC1 Green No data received on PLC1 Port Configuration Ok Configuration Fault Flashing Receving data on PLC1 Port No error in PLC1 attach or while block execution Red Data exchange with Profibus Master Profibus No data
36. munication parameters for PLC1 and PLC2 ports can be configured independently This feature allows changes in Baud rate Number of stop bits Parity etc at any time without downloading the driver for that particular device After the driver for a particular device is downloaded the communication parameters can be changed simply by selecting new communication parameters and downloading the same project Doc No UMAN GWY 500 B 0106 REVISION 0 28 NOTE ON COMMUNICATION DRIVERS NOTE ON COMMUNICATION DRIVERS renu Doc No UMAN GWY 500 B 0106 REVISION 0 29 NOTE ON COMMUNICATION DRIVERS 5 1 Note On Communication Drivers How Gateway Profibus Slave driver works Gateway Profibus driver uses 200 words of internal memory 100 words for input and 100 words for output as per profibus specification This memory is divided into two parts Input Area and Outptut Area The first word of Input area is I000 and the first word of Output area is O000 Pofibus master writes data in Output Area and reads the data from Input Area With Gateway project itis possible for serial devices to read the data from Output Area and also they can write the data in Input Area 1000 is Input to Profibus Master O000 is Output from Profibus Master This memory is shared memory for Profibus master devices and Gateway firmware system as shown bellow COM2 COM1 Profibus slave driver Any Serial Driver Gateway Fimware System L mm
37. nd checks whether this register is mapped to any Profibus word In example holding register 400001 is mapped to 1000 in Block 2 Gateway accepts this command and sets 1000 If Master sends a command to read write a register coil not defined in any Block then Gateway sends exception response to master NOTES 1 If multiple registers are to be read or written in one command then all the registers have to be de fined in one Block 2 As Gateway Setup Software is common for both the Gateway Modes titles in the Block Definition Area may not be appropriate when using Gateway in Master Slave mode e g Source ID Source PLC Destination PLC 3 Maximum 255 blocks can be configured in any mode 4 In Master slave mode If somebody mapped read only registers at destination end to any registers at source end it s users responsibility that these registers are not going to be written by master Doc No UMAN GWY 500 B 0106 REVISION 0 26 GWY 500 B FEATURES 4 2 Repeat Cycle User can control Block execution by using the Repeat Cycle field This number decides whether the Block will be executed in each cycle Larger the number lower the priority of the Block Range for Repeat Cycle setting is 1 99 Repeat Cycle 1 Highest priority Repeat Cycle 99 Lowest priority Repeat cycle is important when using Gateway in Master Master mode If Gateway is used in Master Slave mode Repeat Cycle fi
38. nting DIN rail or back panel mounting Dimensions DIN rail 105mm L X 40mm D X 51mm W Weight 125 Certifications CE with UL certification Immunity to ESD Level 3 as per IEC1000 4 2 Immunity to Transients Level 3 as per IEC1000 4 4 Immunity to Radiated RF Level 3 as per IEC1000 4 3 Immunity to Conducted RF Level 3 as per IEC1000 4 6 Emissions EN55011 CISPRA Note1 If Toshiba VF S11 Inverter is connected at COM1 of GWY 500 B station number is detected automatically at power ON and that station number is assigned as a Profibus Slave ID Inverter ID Can be set from 0 99 Note2 Once You install Gateway Setup Software you will find GSD file at C Program Files Gateway 3 091GWY 5oo Profibus Gateway GSD This is the default path The actual path is where the user has installed GatewaySetup Software renu Doc No UMAN GWY 500 B 0106 REVISION 0 HARDWARE HARDWARE In this chapter Dimensional Details And Mounting Instructions Communication Port Details LED Status e Doc No UMAN GWY 500 B 0106 REVISION 0 HARDWARE 2 1 Dimensional details And Mounting Instructions GWY 500 B unit can be mounted on a back panel or on a DIN rail or can be left hanging It comes with a separate DIN rail plate when it is packed User will have to attach the DIN rail plate to the unit if it has to be mounted on a panel or DIN rail If it has to be left hanging m
39. on etc Block may contain information like copy number of words from one device to other device and conditions for copy if any Gateway transfers data between two devices by execution of blocks After the Project is defined Drivers for required devices and Project should be downloaded Gateway can now communi cate with the Profibus DP Slave devices and serial devices e g PLC or SCADA 3 3 GWY 500 B Operation Configuration And Communication Gateway can communicate with serial and Profibus devices using appropriate cables and configuration Microsoft Windows based configuration software Gateway Setup configures the Gateway unit Configuration means making the Gateway unit work as per system requirements Complete configuration for a Gateway using the Gateway Setup is termed as a Project A Project consists of Devices to be attached on two ports Communication settings for two ports to communicate with two devices Register addresses for data transfer Conditions for data transfer etc Gateway can now communicate with the specified devices without any change in the Gateway hardware To communicate with a device Gateway needs Communication Drivers for the devices and Gateway Device communication cables Each Device has a unique and predefined protocol for communication Gateway driver has this protocol to communicate with the desired device As two devices are connected on Gateway it requires two drivers for communication 3 4
40. on for communication tasks at a higher level Powerful services open up a wide range of applications and provide great flexibility It can also be used for extensive and complex communications tasks Uniform bus access PROFIBUS DP and PROFIBUS FMS use the same transmission technology and a uniform bus protocol access protocol Thus both versions can be operated simultaneously on the same cable However FMS field devices cannot be controlled by DP masters or vice versa Note It is not possible to exchange one of these family members by another family member This will cause faulty operation The rest of this section only describes PROFIBUS DP Protocol architecture 3 1 1 Protocol Architecture OSI The PROFIBUS protocol architecture is oriented on the OSI Open System Interconnection reference model in accordance with the international standard ISO 7498 Layer 1 physical layer of this model defines the physical transmission characteristics Layer 2 data link layer defines the bus access protocol Layer 7 application layer defines the application functions DP Extentions DP Basic Functions User Interface Layer 7 Application Layer 6 Presentation Layer b Session Layer 4 Transport Layer Not Dofinad 3 Network Layer 2 Data Link Layer Field Bus Data Link FDL 1 Physical Layer RS 485 Fiber optics 4 Doc UMAN GWY 500 B 0106 REVISION 0 12 GETTING STARTED Layer 1 2 and user PROFIBUS DP uses laye
41. onfig SIMATIC 300 1 Configuration bitmap Station Insert PLC Options Windom 5 9 5 wje 98 Additional Field Devices Dg General PROFIBUS k ga Toshiba 41 Profibus cad Ly 10 m Gateway x PC Lj Compatible PROFIBUS DI LJ DlasedLeop Dontrelles C 5 SHATIC 30011 a DP WO sames DFAS i Link ENCODER E ET 20 2005 3 200 i ET 2005 gt Press FL to get Help reny 4 Doc No UMAN GWY 500 B 0106 REVISION 0 60 CREATING PROJECT 3 You can see the configuration in Hardware Configuration Option Configure Network pr HetP ro bitmap on RE S Mo RM 2 8 7 mit 2 ey bitmap Hetwark OC Siemens ep s prajsitmap PROFIBLIS 1 PROFIBUS reny Doc UMAN GWY 500 B 0106 REVISION 0 61 CREATING PROJECT 4 Download the configuration to PLC Manager Shinde proWanashrl re e Doc No UMAN GWY 500 B 0106 REVISION 0 62 CREATING PROJECT 5 After downloading is complete and communication is established the BF and SF LED goes off 6 You can monitor the variables as PLC
42. ration Edt Device Took Window Help 0 X Dlelm dl 1 PROFIBUS Masten 2 2 Bwi 5DHd 1 word Out hom master 2 words from 4 words irom maedher 8 voids Dia masta T Pli d Out kom masier 16 prods In master m Ener Log e Doc No UMAN GWY 500 B 0106 REVISION 0 52 CREATING PROJECT 4 Now configure Profibus master module as shown below 1 _ 1_ _ CX Profibus File Edit View Device Tools Window Help MyNetwork E 1 CJTw PRM21 PROFIBUS M ass 2 GWY 50D B Add Device Delete Device Rename Go Online Go Offline Upload Parameters Download Parameters Channel Functions Offline Parameter Online Parameter Compare Configuration Observe Diagnosis Additional Functions Export to HTML Properties Error Log reny Doc No UMAN GWY 500 B 0106 REVISION 0 53 CREATING PROJECT TD Edt Devis Took Window Help 0319 Device Setup Maner Setup Bus Parameters Slave Area k Acton to PLE Made To To PROGRAM C Keep Curent C Kep Mode ome OP
43. received on Profibus Port FF N FF N FF N FF N FF N FF N No data exchange with Profibus Master rcnu Doc No UMAN GWY 500 B 0106 REVISION 0 10 GETTING STARTED GETTING STARTED In this chapter Introduction To Profibus Introduction To GWY 500 B GWY 500 B Operation renu e Doc No UMAN GWY 500 B 0106 REVISION 0 GETTING STARTED 3 1 Introduction To Profibus PROFIBUS is a vendor independent open fieldbus standard for a wide range of applications in manufacturing process and building automation Vendor independence and openness are guaranteed by the PROFIBUS standard EN 50170 With PROFIBUS devices of different manufacturers can communicate without special interface adjustments The PROFIBUS family consists of three compatible versions High speed PROFIBUS DP DP stands for Decentralised Periphery It is optimised for high speed and low cost interfacing especially designed for communication between automation control systems and distributed I O at the device level Process Automation PROFIBUS PA PA stands for Process Automation It permits sensors and actuators to be connected on one common bus line even in intrinsically safe areas It permits data communication and power supply over the bus using 2 wire technology according the international standard IEC 1158 2 Higher level PROFIBUS FMS FMS stands for Fieldbus Message Specification This version is the general purpose soluti
44. rs 1 and 2 and the user interface Layers 3 to 7 are not interface defined This streamlined architecture ensures fast and efficient data transmission The application functions which are available to the user as well as the system and device behaviour of the various PROFIBUS DP device types are specified in the user interface Transmission medium RS 485 transmission technology or fibre optics are available for transmission RS 485 transmission is the most frequently used transmission technology Its application area includes all areas in which high transmission speed and simple inexpensive installation High speed inexpensive are required Twisted pair shielded copper cable with one conductor pair is used Easy installation The RS 485 transmission technology is very easy to handle Installation of the twisted pair cable does not require expert knowledge The bus structure permits addition and removal of stations or step by step commissioning of the system without influencing the other stations Later expansions have no effect on stations which are already in opera tion Transmission speeds between 9 6 kbit s and 12 Mbit s can be selected One unique transmission speed is selected for all devices on the bus when the system is commissioned Cable length The maximum cable length depends on the transmission speed The specified cable lengths are based on type A cable The length can be increased by the use of repeaters The use of more than 3 repeaters
45. rstion 20044 OMRON Corporation Eom 200241 OMRON Comporation S PRTICOM 1999 1 OMRON Comporation gt als Update GSD Add Device Emor Log e Doc No UMAN GWY 500 B 0106 REVISION 0 46 CREATING PROJECT 2 Then user should form the network that consists of master and slave module Select the module Add Device to the network Unnamed CX Profibus Device Catalogue 0 Device Took Window Help AX Dasa Alala m MrHetwork 2 2000 0 OMRON Corporefon 1 01 1 1 0 20020 OMRON Corporation 200240 OMRON Corporation 1 2 V1 0 2000 0 OMRON Corporation 0101 20040 OMRON Copoation 2 risPRT v1 0 20020 OMRON Corporation 100 2005 1 Renu Electronics Pel Ltd APRON 19881 MR N Corporation 4 gt gt Update GSD Fides Add Device Emor Log User Administrator Doc UMAN GWY 500 B 0106 REVISION 0 47 CREATING PROJECT iom comes sight nav cpr CX Fie Edt Device Took Windom Help P 1 2 PROFIBUS Master J 2 Log e Doc No UMAN GWY 500 B 0106 REVISION 0 48 CREATING PROJECT 3 Profibus slave module is configured as follows a In Configuration tab
46. smission line If no data communication with the master occurs within the watchdog control interval the slave automatically switches its outputs to the fail safe status This mechanism can be enabled or disabled for each individual slave Also access protection is available for the inputs and outputs of the DP slaves operat ing in multi master systems This ensures that direct access can only be performed by the authorised master For other masters the slaves offer an image of their inputs and outputs which can be read by any master even without access rights PROFIBUS DP distinguishes four different network states Off line Stop Clear Operate Auto Clear 1 Off line Communication between all DP participants is stopped 2 Stop Communication between DPM1 and DP slaves is stopped Only communication between DPM1 DPM2 is possible 3 Clear DPM 1 master attempts to set parameters check the configuration and subsequently perform data exchange with its associated DP slaves The data exchange comprises reading the inputs of the DP slaves and writing zero s to the outputs of the DP slaves 4 Operate master exchanges data with its assigned slaves inputs are read and outputs are written Beside this the 1 cyclically sends its local status to all assigned DP slaves with a multicast message at a configurable time interval When an error occurs during the data transfer phase of the DPM1 the Auto Clear
47. ster devices Y PROFIBUS Passive stations The bus access protocol is implemented by layer 2 This protocol also includes data security and the handling of the transmission protocols and messages The Medium Access Control MAC specifies the procedures which determine when a station is permitted to transmit data A token passing procedure is used to handle the bus access between master devices and a polling procedure is used to handle the communication between a master device and its assigned slave device s The token passing procedure guarantees that the bus access right the token is assigned to each master within a precisely defined time frame The token message a special message for passing access rights from one master to the next master must be passed around the logical token ring once to each master within a specified target rotation time Each master executes this procedure automatically A user can only change the target rotation time but is not recommended The polling or master slave procedure permits the master which currently owns the token to access its assigned slaves The picture below shows a possible configuration The configuration shows three active stations masters and six passive stations slaves Token Passing Slave devices The three masters form a logical token ring When an active station receives the token message it can perform its master role for a certain period of time During
48. t COM Protocol Modbus Slave Protocol Profibus DPVO Slave reny B Doc No UMAN GWY 500 B 0106 REVISION 0 40 master slave made prj Gateway GWY 500 Prafibus DP Slave 00100 1 300001 Profibus L 1 1 40000 L 1 4 gt 108 Foe COMI Nod Mors um 7 um a By Clee Control PLCI Set PLCZ Set Add Mew Inest Bock Remove IEM Com Download Upload Raady Connect SCADA device on Port1 With the help of GWY 500 B SCADA device can act as Profibus DP Slave on Profibus Network Block 1 maps 100 words of Modbus starting from 300001 to Profibus starting from 0000 Block 42 maps 100 words of Modbus starting from 400001 to Profibus starting from 1000 Note 1000 is the first word of Input Area in Internal Memory of Profibus driver 0000 is the first word of Output Area in Internal Memory of Profibus driver B Doc No UMAN GWY 500 B 0106 t REVISION 0 41 CONFIGURATION SOFTWARE CONFIGURATION SOFTWARE In this chapter System Requirements Installation Instruction Doc UMAN GWY 500 B 0106 3 REVISION 0 42 CONFIGURATION SOFTWARE 7 1 System Requirements Gateway Setup software runs on a PC AT compatible computer with the following specifications Windows Version Microsoft Windows 9x 2000 Processor PENTIUM or higher Hard disk Space 5
49. ter Doc UMAN GWY 500 B 0106 REVISION 0 Project Setup Connect Toshiba Inverter as Profibus DPVO Slave on Profibus Network with GWY 500 B Connect Modicon PLC as Profibus DPVO Slave on Profibus Network with GWY 500 B Connect SCADA Software on Profibus Network 34 TYPICAL PROJECTS 6 1 Project Setup This Chapter explains how a simple Gateway project can be created and tested To develop a Gateway system select appropriate Gateway model depending on the system requirements A new project can be created as follows 1 Define the Gateway System 1 1 Protocol of Device s connected to PLC1 1 2 Protocol of Device s connected to PLC2 2 Load Microsoft Windows based Gateway Setup software 3 Select devices to be connected on two ports 4 Define Blocks for data transfer 5 Set communication parameters for the selected devices 6 Set conditions for block execution if required Repeat Cycle Control Word etc 7 Apply power to Gateway 8 Download the Project and Communication Drivers into Gateway 9 Remove Configuration Cable from PLC1 Connect Gateway Device cable to PLC1 10 Test system Following Gateway examples show detailed setup for common Gateway configurations B Doc No UMAN GWY 500 B 0106 REVISION 0 35 TYPICAL PROJECTS 6 2 Connect Toshiba Inverter as Profibus DPVO Slave on Profibus Network with GWY 500 B This project reads the parameters of Inverter connect
50. the Control Word field is enabled for the control bit choosen in the project block accordingly the number of words in the control field should be taken For example if 36 Control bit is choosen to control the block then number of words in the Control Word field should be 3 Number of control bits 16 Number of control words If Number of control bits 16 0 Non zero so add 1 in the number of words in the control field then Number of control words Number of control words 1 Doc No UMAN GWY 500 B 0106 f REVISION 0 27 GWY 500 B FEATURES In the above example number of control bits are 36 So 36 16 2 Number of words in control field 369616 4 i e Non zero so add 1 in the number of words in the control field so number of words in control field are 2 1 3 So number of words in the control field should be choosen as 3 For any block any control bit can be choosen Control Word can only be used in Master Master mode since no continuous data transfer takes place in Master Slave mode data transfer only takes place on Master s request When the Control Word is disabled Block execution is totally controlled by Repeat Cycle settings When the Control Word is enabled Block execution is controlled using discrete bits of that word Bit 0 in control word controls execution of Block 1 Bit 1 in control word controls execution of Block 2 Bit 15 in control word controls execution of Block 16 When bit is high 1
51. xternal slave device is loaded into its internal memory in continuous fashion irrespective of block execution of Gateway project Background communication Enable Disable default setting depends on PLC or Device protocol The speed of data transfer is improved because of Internal database since it reduces the number of block executions required by the Gateway software Doc UMAN GWY 500 B 0106 REVISION 0 32 NOTE ON COMMUNICATION DRIVERS Background Read Operation Write Operation Write in Internal Memory Master Driver Internal DPVO Driver Database Write in External serial device Figure 1 explains the operation of Master Master mode with background communication At power on each master driver will get all inputs from their internal database Setup and according to that information starts fetching and loading data into its internal database memory irrepective of excution of project blocks The master driver will read all the data and load it into the intrnal database memory But in case of write operation each master driver will check the data available in the internal memory with the new data to be written If the data in the internal memory is same as the new data then Gateway software will skip the write command In case of different data master driver will initiate the write command B Doc No UMAN GWY 500 B 0106 T REVISION 0 33 TYPICAL PROJECTS TYPICAL PROJECTS In this chap
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