GATEWAY USER`S MANUAL - ElectricalManuals.net
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1. Modbus Slave This configuration can be used to make Toshiba T series PLC function as a Modbus Slave Configure Gate way ports as PLC1 Protocol Toshiba T Series Master PLC2 Protocol Modbus Slave So the device connected on PLC1 will be a Toshiba T series PLC acting as a slave and device connected on PLC2 will be Modbus Master Renu Electronics Pyt Ltd Gateway Fie Edit Yiew Communicaton Hep Sauce Addiezs DestinalioaPLC Destinalior ID Destinalioa Acdress 1 288 Modbus Slave 1 000001 Tashiba T Ling 2 1 300 0 1 2 255 Modbus Slave 1 401021 Toshiba T Lins 1 po0o0 eh Block 1 maps 255 coils of Toshiba PLC starting from Y000 0 to Modbus Slave coils starting from O00001 Block 2 maps 255 registers of Toshiba PLC starting from D0000 to Modbus Slave registers starting from 401021 Here Words field contains 255 so if protocol and Gateway buffer permit Modbus Master can access 255 registers coils in one command but in case of Toshiba Modbus configuration the maximum limit is 28 registers coils in one command In above example request from Modbus Master is executed as follows i Modbus Master sends command to Gateway for setting output coil 000033 to 1 2 Gateway searches defined Blocks and checks whether this coil is mapped to any Toshiba coil In example 4 2 output coil 000033 is mapped to Toshiba coil Y002 0 in Block 1 Gateway accepts this command and sets Toshiba coil Y002 0 ON If Master send2. also referred as TXA 2 TXD RS232 Transmit 3 RXD RS232 CMOS Receive 4 RX RS422 RS485 ___ Differential Receive also referred as RXA 5 RX RS422 RS485 ___ Differential Receive also referred as RXB 6 5VDC DO NOT USE 7 TXD CMOS Transmit 8 TX RS422 RS485 Differential Transmit also referred as TXB 9 GND Signal Ground common to all signals RS485 port RS485 port of Gateway can have any of the following two pin outs depending on the model number User can configure this port either as 4 wire Signal Ground or 2 wire Signal Ground PLC2 port of GWY 02 GWY 04 GWY 06 and GWY 08 models This port has a 6x1 pin PCB Terminal Block type connector with following pins 1 TX 2 TX 3 RX 4 RX 5 Termination 6 SG Termination should be shorted with RX for first and last node in a RS485 network PLC1 port of GWY 04 and GWY 08 models This port has a 4x2 pin PCB Terminal Block type connector with following pins 1 TX 2 RX 3 Termination 4 GND 5 TX 6 RX 7 5 VDC GWY 04 24VDC GWY 08 8 PLC Attach Termination should be shorted with RX for first and last node in a RS485 network PLC attach line should be connected to ground when PLC is attached on this port else when Gateway has to be configured leave PLC Attach line open 37 CENY B User can convert RS485 4 wire Signal Ground system to a 2 Wire Signal Ground system by shorting following signals in the communication c
3. gt VVVVV YV Gateway Modes Multi dropping of devices using Gateway Repeat Cycle Control Word Error Indication Bit Communication parameters Status LEDs 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 which initiates communication Slave Slave is Device which processes Master s query takes necessary action and responds to the query if necessary 4 1 1 Master Master configuration In this mode both Gateway ports PLC1 amp PLC2 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 require ment A control word Section 4 4 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 4 T
4. 10 100mA max For specification of non GWY 00 models please refer to Addendum for Special Gateways Please follow the instructions given below when making power supply connections Follow the sticker wiring diagram on the unit which shows terminals for the positive DC negative DC and ground To make a connection strip about 1 4 6mm of insulation of the wire and turn the connector screw counter clock wise until the gap is wide open Insert the wire all the way in and turn the screw clockwise until it is tight Wire lengths should be minimum Wires should run in pairs with a neutral or common paired with a live or signal wire A fuse should be connected from outside wherever required for non GWY 00 models Gateway products are housed in a molded ABS plastic case which eliminates any electrical shock hazard Hence Safety ground is not required to be connected to the chassis of the unit The DC ground is not directly coupled to Earth ground internally The unit is designed to operate properly whether or not the DC ground is connected to the Earth ground We do recommend however that if the DC ground has to be connected to the Earth ground the Earth connection should be made to a central star point as poor site earths can introduce noise into a system Do not power Gateway and inductive loads with the same power supply even though there is enough immunity in the Gateway to withstand the transients present on these lines Avoid u
5. Block 2 Y Block 3 T 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 Please refer to Example 4 1 for description on defining Blocks in Master Master configuration ERG Example 4 1 Toshiba T series Modbus Master This configuration can be used to make Toshiba PLC function as a Modbus Master Configure Gateway ports as PLC1 Protocol Toshiba T Series PLC and PLC2 Protocol Modbus Master PLC1 of Gateway is configured as Toshiba T series master protocol so T series PLCs can be connected to PLC1 of Gateway PLC2 port is configured as Modbus master so any Modbus slave device can be connected on PLC2 Blocks can be defined as shown in the picture below Hen Elechoanice Pri La Halema aa a re Sana L rm Modine i boda L gago E Toshiba T Sen i TIIA Eji Words defines number of registers coils to be read written between two devices Block 1 Gateway reads 7 words starting from D0010 from Toshiba T1 PLC and write these seven words data to Modbus slave device in holding registers starting from 400001 Block 2 Gateway reads Modbus output coil 000001 and writes it to Toshiba output coil Y002 3 As this example has only two blocks Gateway will execute Block 1 after executing Block 2 continuing this cycle forever 4 1 2 Master Slave configuration In this mode one of the Gateway ports is a master and
6. NS Omron NT RS232 RS485 CMOS LOT DDMMYRI Wuce Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA NS RS232 DB9 Male Power Supply Communication Indications Temperature Humidity Immunity to ESD Immunity to Transients Radiated Susceptibility Emissions Certifications Dimensions Weight 5 VDC 5 from NS NT on PLC2 port 100mA max Two ports as follows PLC 1 RS232 RS422 RS485 CMOS For configuration and PLC communication PLC 2 RS232 For communication with NS NT PLC1 LED for PLC1 port status OK LED for Gateway status PLC2 LED for PLC2 port status Operating 0 to 60 C Storage 40 to 90 C 10 to 90 Non condensing Level 3 as per IEC1000 4 2 Level 3 as per IEC1000 4 4 Level 3 as per IEC1000 4 3 EN55011 CISPR A UL pending CE and CSA 105mm L X 40mm D X 51mm W DIN rail mounting 125 g approx 35 B Communication Ports of Special Gateway Models Gateway has two communication ports for communication with PLC s and other devices User must ensure proper communication cable for error free communication This section explains various types of ports in Special Gateway models RS232 port Mentioned below are the types of RS232 port available in Special Gateway models PLC1 port of GWY 01 GWY 02 GWY 05 GWY 06 models This port has a DB9 Female connector with the fol
7. S00 Sees a Pod Anant FP Senet PLC Biadh Sharam ELV Deel CH leet hit GES iati PLCS dies Mics PLCs KEYENCE kv Hufu Modbus pires Mi cisung FMP Micizung Micon 4000 Misa F PLO Teahiba T Saaex PLC Ti Oroi Slas Tags T Sariz PLCs J Taiawa Drees AL DF1 Pon Spite 2HE E Voghibe T Seisa Link Pot PLCs OMAOH HEET LIKE 3 ABOF Pot Splita Selected Proloco Selected Protecol Pic Mame Toshiba T Serles PLCs Pic Hame Modbus Slave Pic Model 11 Pic Model ATU Click Edit Beton on Toolbar to Edi Project Click Edit Button om Tombar to Edit Project e 6 Edit Qoen Pi Upload Upload 5 Set BH _ After the PLCs have been selected for both Com ports click on the Edit Button The Block edit screen should appear L ratiba haleway 1 Modbus Slave Torba T Gene 1 1 a Slave L rT TohbaT Sere 16 Miodu Slaves i wn j Toha T eie 1 HAI Eji Download this project and communication drivers into Gateway Test the functionality using a Modbus Master such as Modscan or SCADA software acting as a Modbus master Note For more details Please see Gateway modes topic 23 rene B 5 4 Example 3 PLC Modbus master to Other Device Modbus slave This project allows the PLC to read the current temperature from the PID controller and write a set point into the PID controller Assume Modbus Holding register 400001 contains the actual temperature Assume Modbus Holding register 400002 is for the set poi
8. 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 coils for data transfer Mapping means defining one or multiple registers coils 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 coils of the two devices In Block Definition area Words Field indicates number of registers coils to be mapped linearly from the starting addresses of the Source Device to the Destination Device Maximum number of registers coils that can be mapped is 255 but this does not mean that Master Device has to read write 255 registers coils in one command In one command Master can read write registers coils 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 coils 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 Please refer to Example 4 2 for description on defining register coil maps in Master Slave configuration CRE Example 4 2 Toshiba T series
9. 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 viewing of version number status of firmware drivers used and boot block 26 CRE WIRING DIAGRAMS 27 rena B User must ensure correct wiring for problem free operation of Gateway Each device being connected to Gateway has a unique communication port Pin outs of communication ports of gateway are given in section 2 3 Port details of the other devices can be found in the device manual Gateway has RS232 RS422 RS485 and CMOS compatible communication ports so user can directly connect any device with these communication signals This section gives wiring diagrams for connecting Gateway using various singnal levels 1 Network of RS422 RS485 4 wire signal ground system R DEVICE 0 RX Power 24VDC 10 Note User should add Termination resistor R 180 Ohm in Receive lines of first and last node 2 Network of RS485 2 wire signal ground system DEVICE 0 Power 24VDC 10 28 CRE TROUBLESHOOTING GUIDE 29 LED Indicators 5 Trouble shooting Guide Gateway has three LEDs and two optional Error bits to indicate any possible problem in the system When the system is communicating with two Devices STATUS LED is steady ON PLC1 and PLC2 LEDs are blinking Error bits are OFF PLC1 L
10. to 90 Non condensing Level 3 as per IEC1000 4 2 Level 3 as per IEC1000 4 4 Level 3 as per IEC1000 4 3 EN55011 CISPR A CE CSA 97mm W X 15mm H X 42mm D DIN rail mounting 100 g approx 5 VDC 5 regulated on PLC1 port 120 mA max Two ports as follows PLC 1 RS232 For configuration and PLC communication PLC 2 RS485 For PLC communication PLC1 LED for PLC1 port status OK LED for Gateway status PLC2 LED for PLC2 port status Operating 0 to 60 C Storage 40 to 90 C 10 to 90 Non condensing Level 3 as per IEC1000 4 2 Level 3 as per IEC1000 4 4 Level 3 as per IEC1000 4 3 EN55011 CISPRA CE CSA 97mm W X 15mm H X 42mm D DIN rail mounting 100 g approx 32 GWY 04 TETE a PLC 1 RS485 oN peas o lt a gt pzo8 2005 Ej 2 O 5 5 2 H s Lo Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA bd 0 2225 0 be PLC 1 RS232 Pune 411045 INDIA US LR 109782 2 CE 98 Renu Electronics Pvt Ltd Survey No 2 6 Baner Road PLC 2 RS232 00000 A olsccclo PA Power Supply Communication Indications Temperature Humidity Immunity to ESD Immunity to Transients Radiated Susceptibility Emissions Certifications Dimensions Weight Power Supply Communication Indications Temperature Humidity Immunity to ESD Immunity to Transients Radiated Susceptibility Emiss
11. 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 the 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 Example 1 PLC to PLC Communication Example 2 Higher Level Controller Modbus master to PLC Modbus slave Example 3 PLC Modbus master to Other Device modbus slave 5 2 Example 1 PLC to PLC Communication This project reads the inputs of the PLC on PLC1 and writes to the outputs of the PLC on PLC2 Select the Toshiba T1 PLC on both Com ports 3 Corel fies 3 Can ystecr ee Aa i Ace Erid DHAS ITET F Alles Brediey OFT ra TET m iaa Biyi F Ale Bk DHAS GLC S00 Eea M Hatan H Aiya FP joksi FLO E Hifi Sige H ELSI ved Ge resis He Ciao Slaps P OE PLC E lha l Sei a E lga kind PLCE H EEH Ky 2 H hsbu t3 H Aodbut Firmi D iiia Ha a Hemangi HF E ABDA Por Spisi H Ag tegan 4 R Bibih F PLC ThihtaT para PE TI r f mi u Tahite T beng urt Pai Ate E DHEA HOTI LIHT H ASD Poi iphimt met leche Froieral lected Preto Pic Mame Ta
12. 91 20 729 2839 E mail support renuelectronics com Website www renuelectronics com CONTENTS Preliminary Manual Revisions INTRODUCTION 1 1 Purpose of this Manual 1 2 Introduction to Gateway 1 3 Gateway Applications 1 4 Gateway Specifications HARDWARE 2 1 Dimensional Details and Mounting Instructions 2 2 Power Requirements 2 3 Communication Ports GETTING STARTED 3 1 Introduction to Gateway 3 2 Gateway Operation Configuration and Communication UNDERSTANDING GATEWAY FEATURES 4 1 Gateway Modes 4 1 1 Master Master configuration 4 1 2 Master Slave configuration 4 2 Multi dropping of Devices using Gateway 4 3 Repeat Cycle 44 Control Word 4 5 Error Indication Bit 4 6 Communication Parameters 4 6 Status LEDs TYPICAL PROJECTS 5 1 Project Setup 5 2 Example 1 PLC to PLC Communication 5 3 Example 2 Higher Level Controller Modbus master to PLC Modbus slave 5 4 Example 3 PLC Modbus master to Other Device Modbus slave CONFIGURATION SOFTWARE 6 1 System Requirements 6 2 Installation Instructions WIRING DIAGRAMS TROUBLESHOOTING GUIDE ADDENDUM FOR SPECIAL GATEWAY MODELS Special Gateway Models Communication Ports of Special Gateway Models Configuration of Special Gateway Models Dimensional Details and Mounting Instructions for Special Gateway Models Supported PLC s List for Special Gateway Models ROMP oon Ol INTRODUCTION In this chapter VVV WV Purpose of this Manual I
13. Block 2 Block 4 4 4 Control Word Another way of controlling Block execution is by use of the Control Word This feature is extremely useful for small applications where less than 17 blocks are required 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 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 a bit is high 1 corresponding Block is executed depending on its Repeat Cycle When a bit is low 0 execution of corresponding Block is disabled 18 4 5 CRE Error Indication Bit This feature enables detection of communication breaks 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 at the PLC1 end can be repor
14. C DO NOT USE 7 TXD CMOS Transmit 8 TX RS422 RS485 Differential Transmit also referred as TXB 9 RX RS422 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 TX A RX B RX SG _ 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 Upto 31 Devices can be multi dropped on RS485 port of Gateway GETTING STARTED In this chapter gt Introduction gt Gateway Operation Configuration and Communication 3 1 Introduction to Gateway Gateway is a Protocol Converter Data sharer for devices like PLCs inverters Adjustable Speed Drives and other Controllers 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 3 2 Gateway Operation Configurat
15. Com1 and Com2 when protocols are same on both the ports Source ID Destination ID These fields define the device ID on respective port side of Gateway So using ID s it is possible to transfer data from device 1 on port to device 5 of port2 CERY 4 3 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 field 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
16. ED Status Blinking Off OK LED Status Off Fast Blinking Slow Blinking Steady on PLC2 LED Status Off Fast Blinking Slow blinking IBM Download Description Communication on PLC1 is OK No Communication on PLC1 due to Device fault No power to Device Cable fault Wrong Communication Parameters Description No power to Gateway Gateway is waiting for IBM download Communication error on PLC1 port Error may be due to Device Fault No power to either of the device Cable fault Wrong Communication Parameters Communication OK on PLC1 port Description No communication on PLC2 Communication with device on PLC2 is OK Gateway is trying to Communicate with the Device on PLC2 Device not responding due to Device has no power Cable fault Wrong Communication Parameters IBM download described in Chapter 3 may become slightly slow for some drivers If user faces such problems while downloading setup user can use this alternative method 1 Short pins 3 and 4 on any one port of GWY 00 for at least 1 second after power on Remove the short Now GWY 00 permanently waits for IBM download Connect IBM cable to any of the ports 2 Download PLC1 driver PLC2 driver and project 30 ADDENDUM FOR SPECIAL GATEWAY MODELS Special Gateway Models Communication Ports of Special Gateway Models Configuration of Special Gateway Models Dimensional Details and Mounting Instructions for Special Gate
17. GATEWAY USER S MANUAL CRG B Preliminary Thank you for purchasing Gateway product Gateway is a versatile Protocol converter Data sharer with Windows based configuration Software This manual will help you to safely install configure and operate Gateway Products All the safety warnings and precautions must be followed to ensure proper unit performance and personal safety Warnings used in this manual Danger Warnings are used to indicate situations locations and DANGER conditions that can cause serious injury or death Caution Warnings are used to indicate situations and conditions that CAUTION AN can cause operator injury and or unit damage 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 the user is well acquainted with the PLCs Inverters Controllers being used Any mechanical or electrical modification to the unit will void all warranties RA Manual Revisions If you contact us in reference to this manual please include the following name and revision number Name Gateway User s Manual Revision UMAN GWY 0403 Rev1 We hope that you find this manual informative If additional information or technical assistance is needed please contact Renu Electronics Private Limited Survey No 2 6 Baner Road Pune 411 045 Maharashtra INDIA Tel 91 20 729 2840 Fax
18. IN rail plate 50 5mm i 40mm RS232 RS485 CMOS 104 4 mm Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA Screw RS232 RS485 CMOS Hole PLC 2 Following drawing displays how the unit can be mounted on the DIN rail RS232 RS485 CMOS Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA RS232 RS485 CMOS PLC 2 Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA RS232 RS485 CMOS PLC 2 Follow instructions given below i 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 Following drawing displays how the unit can be mounted on a back panel RS232 RS485 CMOS Ur T09782 2 PLC1 Wus OK isas PLC2 cE GWY 00 J DC 2avoc AA oc f 10 PI EARTH Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA RS232 RS485 CMOS Follow instructions given below 1 Attach the DIN rail plate to the unit using the clamps on the DIN rail plate 2 Insert screws in the 4 holes provided on the DIN rail plate 3 Tighten the screws to secure the unit in the panel 7 ERG 2 2 Power Requirements Gateway is a 24VDC powered unit Power should be applied on the PCB Terminal block on the Gateway unit Power rating is 24VDC
19. able TX TX A RX B RX SG 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 38 IERA B Configuration of Special Gateway Models Special Gateways communicate with IBM on COM1 PLC1 port for configuration of Gateway GWY 01 GWY 02 GWY 05 and GWY 06 have RS232 PLC1 port and need a Y Cable similar to the cable shown in the figure below for configuration One end of the cable connects to Gateway which has both power and communication signals the second end connects to the device PLC for power and the third end connects to IBM PC for communication Power cable between PLC and Gateway depends on the PLC used User can initiate IBM communication by leaving PLC ATTACH pin open There is NO TIME OUT for these models Use Gateway Setup V1 xxx for creating and downloading configuration Communication Communication Signals Power Signals Power Signals GWY 04 and GWY 08 have RS485 PLC1 port hence RS232 to RS485 converter cable is required for Gate way Configuration User can initiate IBM communication by leaving PLC ATTACH pin open There is NO TIME OUT for these models Use Gateway Setup V1 xxx for creating and downloading configuration it 24VDC 39 rene B GWY S7 has PLC1 port compatible with RS232 RS422 RS485 an
20. ahiba T Sees FTE Me Mamei Toshibe T Sere PCi Pic Model TE Plc Model TI Chick Edit Butan os Toalhas ie Edi Peeper Click Edi Bihun om Tallies ia Edi Project a Li Ll ide Upadi iai Bii After the PLCs have been selected for both Com ports click on the Edit Button NOTE Edit button has been renamed as Configure in Software Version 2 00B or later 21 The Block edit screen should appear Ele Ede ies Cormummstion Help Eisele Hs Wve Sma PLC Gowen IC Souen Adeteet Dastnatiers PLC Destination Cinstination dieer 1 1 1 1 Now create a block for data transfer Please see screen below Wetted Gema Yew TDomnunkeinn Help aie ne NEET Deion PLE Destination ID Destination Adkbess Fepasa fa Techie T 1 D Zj Caril Tathite T l VHS El L Download this project and communication drivers into Gateway Observe that when the inputs of PLC1 are turned ON the corresponding outputs of PLC2 are turned ON 22 5 3 Example 2 Higher Level Controller Modbus master to PLC Modbus slave This project allows a higher level controller acting as a Modbus master to read devices and registers from a PLC and to write to devices and registers in a PLC Select a Toshiba T1 PLC on the PLC1 port and a Modbus Slave on the PLC2 port United Gabin Cond Proc z Con Proton 3 dien fraie DFi Himolay Lik Allen feie DHSS 77C dien Drs DFi Shave 1747400 4 Aromat Diya Allen Brad DHSS SUC
21. ation Three LEDs are identified as PLC1 OK and PLC2 PLC1 and PLC2 LEDs indicate communication status on two ports whereas OK LED indicates the Gateway mode either configuration or operation PLC1 LED Status Blinking Off OK LED Status Off Fast Blinking Slow Blinking Steady on PLC2 LED Status Off Fast Blinking Slow blinking Description Communication on PLC1 is OK No Communication on PLC1 due to Device fault No power to Device Cable fault Wrong Communication Parameters Description No power to Gateway Gateway is waiting for IBM download Communication error on PLC1 port Error may be due to Device Fault No power to either of the device Cable fault Wrong Communication Parameters Communication OK on PLC1 port Description No communication on PLC2 Communication with device on PLC2 is OK Gateway is trying to Communicate with the Device on PLC2 Device not responding due to Device has no power Cable fault Wrong Communication Parameters 19 TYPICAL PROJECTS In this chapter gt Project Setup gt Example 1 gt Example 2 gt Example 3 20 B 5 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
22. ble computer with the following specifications Windows Version Microsoft Windows 9x NT 2000 Processor PENTIUM or higher Hard disk Space 5 MB or more Serial Mouse Required RAM 16 MB or more Display resolution 800 X 600 VGA or better Display colors 16 bit color 6 2 Installation Instructions 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 Launch the Windows operating system Insert the setup CD into CD drive Point to the start button then click RUN In the command line box enter E Disk1 setup exe Click OK This will launch the Gateway installer Follow the instructions to complete setup aRwWN gt T isk smun ek 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 2 Download new firmware if
23. d CMOS port IBM communication can be done on PLC1 COM1 port only Downloading procedure is same as that of GWY 00 Use Gateway Setup V2 xxx for creating and downloading configuration BM download cable is as shown below DB9 Male GWY S7 DB9 Female IBM 2 2 3 3 9 5 Omron NS NT 40 Dimensional Details and Mounting Instructions for Special Gateway Models This section has dimensional details and mounting instructions for GWY 01 GWY 02 GWY 04 GWY 05 GWY 06 and GWY 08 Dimensional details amp Mounting instructions for GWY S7 are same as GWY 00 P 107 gt yoeny 9Td 8 A GND r 8 OGA bet L 0 1 TX Tuonen E D 2 TX N 3 RX D 4 RX f 3 5 Termination A 6 SG Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA Z Z82604 41 sn e d d d d All dimensions are in mm For mounting Gateway on a back panel refer to the following drawing and follow the instructions given below TY ee 4466 C 1 RS485 oa we us eee x es x N D x ce PL D a x GWY 08 yoeny D1d 8 GND v SGA ver L e Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA panel EEIEIEE Insert screws in the holes provided on the DIN rail plate Tighten the screw to secure Gateway on the back panel po 41 For mounting Gateway ona DIN rail refer to the following drawing and follow the instructions given belo
24. driver and Project Communication Signals Power 24VDC 10 Software will ask user if the Gateway has to be reset Gateway must be reset unless user wants to download setup again IMPORTANT 1 When user wants to establish IBM communication on one port communication on the other port should not interrupt IBM communication It is advised that communication on the other port be stopped to ensure error free IBM communication IBM download scheme for GWY 00 models with Bootblock version 2 00A Use Software version 2 00A Setup can be downloaded on PLC1 Com1 port only Create project as per system requirements Select PLC1 Driver PLC2 Driver and Project for downloading GWY 00 can be configured by either of the following two methods METHOD 1 Connect configuration Cable and power cables to GWY 00 2 Apply power to GWY 00 3 Download PLC1 driver PLC2 driver and project within 10 seconds after power on METHOD II 1 Short pins 3 and 4 on PLC1 port of GWY 00 for at least 1 second after power on Remove the short Now GWY 00 permanently waits for IBM download Connect IBM download cable 2 Download PLC1 driver PLC2 driver and project The unit will automatically return to normal operation mode after a download cycle If the user wants to perform another download user has to bring the unit back into configuration mode using Method or Method II 12 UNDERSTANDING GATEWAY FEATURES In this chapter
25. efore connecting it to the PLC Normal Operation X Protocol Y Protocol Connect each PLC to Gateway via the PLC s communications port correct cables are required and the PLCs can easily exchange information 1 3 Gateway Applications Gateway connects one field device to another over a serial link irrespective of their protocols User can define the blocks of registers to be fetched from one device and to be transferred to the other Gateway units have been used in various different applications across many industries The typical configurations include the followings 1 PLC to PLC Communication X Protocol Y Protocol Protocol Converter Example GWY 00 by Renu Electronics 2 PLC as a Master in Modbus Network X Protocol Protocol Converter Example GWY 00 by Renu Electronics PID Controller 3 PLC inverter Controller as Slaves in Modbus Network Modbus Protocol ae Converter Example CNV 01 02 2 00 by Renu Electronics Node 2 SCADA Software Example ASTRA by Renu Electronics PID Controller 1 4 Power Supply Communication Indications Temperature Humidity Immunity to ESD Immunity to Transients Radiated Susceptibility Emissions Certifications Dimensions Weight Gateway Specifications 24 VDC 10 100 mA max Two ports as follows PLC1 RS232C RS422 RS485 CMOS For configu
26. ion and Communication Gateway can communicate with any two 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 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 Pin details of IBM download cable for GWY 00 are as follows DB9 Male Gateway DB9 Female IBM 2 2 3 3 5 5 If an
27. ions Certifications Dimensions Weight 5 5 VDC 5 regulated on PLC1 port 120 mA max Two ports as follows PLC1 RS485 For configuration and PLC communication PLC2 RS485 For PLC communication PLC1 LED for PLC1 port status OK LED for Gateway status PLC2 LED for PLC2 port status Operating 0 to 60 C Storage 40 to 90 C 10 to 90 Non condensing Level 3 as per IEC1000 4 2 Level 3 as per IEC 1000 4 4 Level 3 as per IEC1000 4 3 EN55011 CISPR A CE CSA 97mm W X 15mm H X 42mm D DIN rail mounting 100 g approx 24 VDC 10 regulated on PLC1 port 50 mA max Two ports as follows PLC1 RS232 For configuration and PLC communication PLC2 RS232 For PLC communication PLC1 LED for PLC1 port status OK LED for Gateway status PLC2 LED for PLC2 port status Operating 0 to 60 C Storage 40 to 90 C 10 to 90 Non condensing Level 3 as per IEC1000 4 2 Level 3 as per IEC1000 4 4 Level 3 as per IEC1000 4 3 EN55011 CISPR A CE CSA 97mm W X 15mm H X 42mm D DIN rail mounting 100 g approx 33 GWY 06 7 E PLC 1 RS232 Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA 44460664 GWY 08 eso00 a PLC 1 RS485 YoenY Jld 8 GND tv DGA bet L uoeuluaL E ______ xy 9 5 B 5 m pars A 50 nse ogy 2a 5S2 pails Vie os 22s woo 35 E0 o Ce KELIAI Power Supp
28. lowing signals TXD Transmit ponni RXD Receive Signal Ground Signal ground Signal Ground PLC Attach When grounded Gateway goes in PLC RXD communication mode To be held open to wait in TAD configuration mode for IBM download VDCIN 5VDC for GWY 01 and GWY 02 on PLC1 port 24VDC for GWY 05 and GWY 06 on PLC1 port DB9 Female NC for GWY 01 and GWY 05 on PLC2 port Direction Out Direction control PLC2 port on GWY 02 and GWY 05 This port has a DB9 Female connector with the following signals RS232 Port TXD Transmit Signal Ground RXD Receive RXD Signal Ground Signal ground TXD DB9 Female PLC2 NS port on GWY S7 model This model is dedicated for Omron NS Omron NT The DB9 Male connector at the NS end has following pin outs paca TXD Transmit RXD Receive Signal Ground Signal ground aes Ly VDC IN 5VDC from NS NT on PLC2 port Si Ground Pin 4 RTS and Pin 5 CTS are internally shorted DB9 Male 36 CRE PLC 1 PORT OF GWY S7 PLC1 port of GWY S7 has a DB9 female type connector and is compatible with RS232C RS422 RS485 and CMOS signal levels Pin outs of this port are as given below oO OND ee TX ee ee aa BXD RS292C CMOS 5VDC 5 TX RS422 RS485 DO NOT USE oO DB9 Female Pin Name Signal Level Description 1 TX RS422 RS485 Differential Transmit
29. ly Communication Indications Temperature Humidity Immunity to ESD Immunity to Transients Radiated Susceptibility Emissions Certifications Dimensions Weight Power Supply Communication Indications Temperature Humidity Immunity to ESD Immunity to Transients Radiated Susceptibility Emissions Certifications Dimensions Weight 24 VDC 10 regulated on PLC1 port 50 mA max Two ports as follows PLC1 RS232 For configuration and PLC communication PLC2 RS485 For PLC communication PLC1 LED for PLC1 port status OK LED for Gateway status PLC2 LED for PLC2 port status Operating 0 to 60 C Storage 40 to 90 C 10 to 90 Non condensing Level 3 as per IEC1000 4 2 Level 3 as per IEC1000 4 4 Level 3 as per IEC1000 4 3 EN55011 CISPRA CE CSA 97mm W X 15mm H X 42mm D DIN rail mounting 100 g approx 24 VDC 10 regulated on PLC1 port 50 mA max Two ports as follows PLC1 RS485 For configuration and PLC communication PLC2 RS485 For PLC communication PLC1 LED for PLC1 port status OK LED for Gateway status PLC2 LED for PLC2 port status Operating 0 to 60 C Storage 40 to 90 C 10 to 90 Non condensing Level 3 as per IEC1000 4 2 Level 3 as per IEC 1000 4 4 Level 3 as per IEC1000 4 3 EN55011 CISPR A CE CSA 97mm W X 15mm H X 42mm D DIN rail mounting 100 g approx 34 GWY S7 for Omron
30. nt Coan Miaa Cong Piard I B DFi Frei Duplas fd nce E hisdan H dionik DHAES SLE S1 Hamri H ima FF See PLE E Bodie Gone I GEN wH PLG E PERDANT Lini I kic hr Pe 2 Yara Ura J FEVERMCE Ey E FEVEWCE Fv W LE MASTER AE 006 PLC W GE S0 rea PLC F blade Fe PL Cy amp LG MESES IE PLCE H istaa E ides Maa PL z DRIK HST Lite Burma EF A Emer FUE H Seve Sing Me PLL H Tearen TTT PCy a Totes Taia Pe T2 Tl Beieoied Pratooal Belecied Pritom Pic heme Toshiba T Seles PLCs Hic Mame kisdbue Pac Modri TI Pir Model ATU Dick Ea Buinn an Taalhar ta EE Pinlect Click Edl Butan on Tear i Eih Price E G ba Priesti E diray After the PLCs have been selected for both Com ports click on the Edit Button The Block edit screen should appear Unbikad la abewyap Be Edt Wee Coenin Hel ode Samce FLE Sowee IO Source Adds Destination PLC Destination IO Destination Address Fep 1 1 1 2 1 Toshiba Tene 1 Lace Ej Hobs Download this project and communication drivers into Gateway Test the functionality using a T1 acting as a Modbus master and a PID loop controller Read the actual temperature value in data register D0000 Change the set point by changing the value in data register D0001 24 CRE CONFIGURATION SOFTWARE In this chapter gt System Requirements gt Installation Instructions 25 CERY 6 1 System Requirements Gateway Setup software runs on a PC AT compati
31. ntroduction to Gateway Gateway Applications Gateway Specifications The intention of this Operation Manual is to provide a guide for Safe installation Configuration and operation of Gateway This manual is applicable for General purpose Gateway Part GWY 00 units If your Gateway Part is other than GYW O0 please refer to Addendum for Special Gateways section for hardware specific details Functionality of all the Gateway models is same 1 1 Purpose of this Manual Read this operation manual thoroughly before installing and operating Gateway 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 in all hardwares Renu Electronics reserves the right to update information in this publication without prior notice 1 2 Introduction to Gateway Gateway Series protocol converters provide interface between different devices having different communica tion protocols It also provides interface between same communication protocols Example Data sharer between two slaves having the same protocol Gateway communicates with PLCs Inverters Controllers using RS232 RS422 RS485 2 4 wire or CMOS serial communication Configuration of Gateway Each Gateway has to be configured using Windows based configuration Software b
32. ration and PLC communication PLC2 RS232C RS422 RS485 CMOS For PLC communication PLC1 LED for PLC1 port status OK LED for Gateway status PLC2 LED for PLC2 port status Operating 0 to 60 C Storage 40 to 90 C 10 to 90 Non condensing Level 3 as per IEC1000 4 2 Level 3 as per IEC1000 4 4 Level 3 as per IEC1000 4 3 EN55011 CISPR A UL pending CE and CSA 105mm L X 40mm D X 51mm W DIN RAIL mounting 125 g approximately HARDWARE In this chapter gt gt gt Dimensional Details and Mounting Instructions Power Requirements Communications e B 2 1 Dimensional Details and Mounting Instructions Gateway unit can be mounted on a back panel or on a DIN rail or can be left hanging Each Gateway unit 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 make 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 PLC 1 RS232 RS485 CMOS DIN rail orior clamp clamp Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Pune 411045 INDIA RS232 RS485 CMOS PLC 2 GWY 00 DIN rail DIN rail A plate clip Following drawing shows the dimensional details of Gateway with D
33. rs are constantly added Please contact factory for more information We welcome an opportunity to develope new drivers Note This Table is NOT applicable for GWY S7 43 INDEX EN ISO 9001 ertificate 0410001296 RWTUV North America PRIZM ELECTRONICS INC Two Sun Court Suite 300 Norcross GA 30092 USA Tel 770 281 8844 Fax 413 280 8453 E mail ajayo vsnl com Website www renuelectronics com UK PRIZM ELECTRONICS UK Ryders Green Road West Bromwich B70 OAN UK Tel 121 520 7211 Fax 121 557 8146 E mail sales prizm uk co uk Website www renuelectronics com Asia Pacific Prizm Electronics Asia Pacific 350 Lorong Chuan No 01 08 Laurel Park Singapore 556782 Tel 65 648 76785 Factory RENU ELECTRONICS PVT LTD Survey Number 2 6 Baner Road Pune 411 045 INDIA Tel 20 729 2840 Fax 20 729 2839 E mail sales renuelectronics com Website www renuelectronics com
34. s a command to read write a register coil not defined in any Block then Gateway sends exception response to master eae the Modbus master wants to set output coil 000400 ON then It sends command to gateway for writing output coil 000400 5 Gateway checks whether this coil is mapped to any Toshiba coil But as output coil 000400 is not mapped to any Toshiba coil in any block Gateway rejects this command and sends an exception response to the Modbus Master NOTES 1 If multiple registers coils are to be read or written in one command then all the registers coils have to be defined 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 renal 5 Gateway supports multidropping on both the ports Following illustration explains multidropping of devices on Gateway ports Devices with protocols that support networking can be multi dropped on RS485 port of Gateway Maximum 31 devices can be networked on Gateway RS485 ports 4 2 Multi dropping of Devices using Gateway Node 1 Node n PID Controller Example 4 3 Suppose Gateway is used to share data between multiple Modicon PLCs Modbus Slave to multiple devices Modbus Slave Master Master mode has to be used to enable data sharing User must define Source PLC Destination PLC Setup Software appends
35. sing power supplies with large capacitive outputs which may cause problems if power is cycled within a short time period If wiring is to be exposed to lightening or surges use appropriate surge suppression devices Keep AC high energy and rapidly switching DC wiring separate from signal wires Connecting high voltages or AC power mains to the DC input will make Gateway unusable and may create an electrical shock hazard to personnel Such a failure or shock could result in serious personal injury loss of life and or equipment damage DC voltage sources should provide proper isolation from main AC power and similar hazards gt gt B B ERG 2 3 Communication Ports Gateway unit has two communication ports Both the ports have DB9 type connectors and are compatible with RS232C RS422 RS485 and CMOS signal levels PLC1 also known as COM1 and PLC2 also known as COM2 have exactly the same pin outs which are as shown below PLC1 PLC2 ports RX RS422 RS485 5 TX RS422 RS485 2 TXD CMOS gt RS422 RS485 RS232C CMOS RS232C ibo N T USE 6 RS422 RS485 DB9 Female Pin Description Pin Name Signal Level Description 1 TX RS422 RS485 Differential Transmit also referred as TXA 2 TXD RS232 Transmit 3 RXD RS232 CMOS Receive 4 RX RS422 R8485 Differential Receive also referred as RXA 5 GND Signal Ground common to all signals 6 5VD
36. ted 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 biton PLC1 port and vice versa 4 6 Communication Parameters Communication Parameters of Gateway can be set from configuration Software This enables Gateway to readily communicate with any device Communication 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 4 6 Status LEDs Gateway has 3 status LEDs located near PLC1 side These LEDs indicate communication status and Gateway oper
37. w a ee YY ee EAA AEX PLC 1 RS485 PLC 1 RS485 yey Jld 8 aN9 v JdA ver L Yyoeny Jld 8 GND r SGA ver Pune 411045 INDIA Pune 411045 INDIA Renu Electronics Pvt Ltd Survey No 2 6 Baner Road Renu Electronics Pvt Ltd Survey No 2 6 Baner Road AEREI 0646 amp iF Pull the DIN rail clip out 2 Place Gateway ona DIN rail 3 Push the clip back to secure the unit on the DIN rail 42 Supported PLC s List for Special Gateway Models Following Table shows the list of supported PLC s for Gateway models GWY 01 to GWY 08 with their power capability and communication signal levels This table can be used to find out different configurations for any given model Supported PLC s COM1 PLC1 COM2 PLC2 PLC Port Power PLC Port Power AB DF 1 Micrologix RS232 24VDC Aromat Slave RS232 AB DH485 SLC500 RS485 24VDC Modbus Optional Aromat FPO and FPM RS232 5VDC Modbus Slave Optional Aromat FP1 RS485 5VDC Omron Slave RS232 GE 90 series RS485 5VDC Toshiba T series Prog Port RS232 5VDC IDEC Micro RS232 5VDC Yaskawa Drives RS485 Keyence KV RS232 5VDC Messung XMP 8 RS485 12VDC Messung NEXGEN 4000 RS232 Mitsubishi FX RS485 5VDC Toshiba T series Prog Port RS232 5VDC Toshiba T1 Link Port RS485 24VDC Toshiba T2 T3 V series Link Port RS485 5VDC New PLC drive
38. way Models Supported PLC s List for Special Gateway Models 31 Special Gateway Models Gateway has some special models which have different hardware as compared to GWY 00 Operation of all Gateways is the same This section presents details of all the hardware differences and special require ments for operating these hardwares This section has the details of GWY 01 GWY 02 GWY 04 GWY 05 GWY 06 GWY 08 and GWY S7 Specifications GWY 01 Jo Q 0 S558 PLC 1 RS232 Pune 411045 INDIA US LR 109782 2 CE Renu Electronics Pvt Ltd Survey No 2 6 Baner Road PLC 2 RS232 GWY 02 Jo 8880 PLC 1 RS232 Ltd US LR 109782 2 Renu Electronics Pvt Survey No 2 6 Baner Road Pune 411045 INDIA AKELE Power Supply Communication Indications Temperature Humidity Immunity to ESD Immunity to Transients Radiated Susceptibility Emissions Certifications Dimensions Weight Power Supply Communication Indications Temperature Humidity Immunity to ESD Immunity to Transients Radiated Susceptibility Emissions Certifications Dimensions Weight 5 VDC 5 regulated on PLC1 port 120 mA max Two RS232 ports as follows PLC 1 For configuration and PLC communication PLC 2 For PLC communication PLC1 LED for PLC1 port status OK LED for Gateway status PLC2 LED for PLC2 port status Operating 0 to 60 C Storage 40 to 90 C 10
39. y change in the current working project is made user must download the changed project in Gateway ERG IBM download scheme for GWY 00 models Gateway needs Firmware Project and TWO drivers to communicate with two devices Firmware is factory programmed If both or one of the drivers has not been downloaded in Gateway Gateway permanently waits for IBM download indicated by continuous blinking of the OK LED Create project as per system requirements Select PLC1 Driver PLC2 Driver and Project for downloading GWY 00 can be configured by following method 1 If both the drivers are downloaded at power up Gateway polls for PLC1 COM1 device OK LED steady on max upto 5 seconds If no device is found on this port Gateway waits for IBM download on either of the ports OK LED blinking for 10 seconds If IBM download is not established Gateway will again poll for PLC1 COM1 device This sequence continues till either of the communication is established 2 If communication with PLC1 COM1 device is established Gateway tries to connect with PLC2 COM2 device If this communication is not successful Gateway polls for IBM download Same sequence explained in 1 will be followed this time for PLC2 COM2 and IBM 3 If Gateway has established communication with both the devices user must first disconnect one of the device to configure Gateway 4 Connect IBM download cable on any of the ports 5 Download PLC1 COM1 driver PLC2 COM2
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