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21

6. Application

6-1 Modbus TCP Master to Modbus RTU/ASCII Serial Slave Mod

e

*Notice: If TRP-C37M is MODBUS RTU protocol, Please turn the switch 1,2 to OFF,OFF.

OR if TRP-C37M device is MODBUS ASCII, Please turn the switch1,2 to OFF,ON.

Example:

Step1: Connect PC-----Ethernet-----TRP-C37M-----RS232/422/485---MODBUS RTU/ASCII

device.

Step2.Run Modscan32 utility and input IP/Port, click “OK” button, then Select function code, the

response will appear below.

*The Modscan32 utility copyright belong the Win-TECH Software Design, user can find it

from the

www.win-tech.com

.

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Summary of Contents for TRP-C37M

Page 1: ...ght Notice The information in this manual is subject to change without notice to improve reliability design and function and does not represent a commitment on the part manufacturer No part of this manual may be reproduced copied or transmitted in any form without prior written permission by the manufacturer Products mentioned in this manual are mentioned for identification purposes only In this m...

Page 2: ... a watchdog timer function The Watchdog timer allows the system to automatically recover from a system crash When the TRP C37M MCU stop working correctly the watchdog timer waits for a preset period of time and performs a hardware reset When The TRP C37M working at unstable voltage industrial environment the power detection circuit can prevent the power fail cause of the boot fail then auto re boo...

Page 3: ... RS422 signal differential 4 full duplex wires TX RX TX RX Baud Rate 1200 2400 4800 9600 19200 38400 57600 115200 921600 K bps Parity none even odd Data Bits 5 6 7 or 8 Stop Bits 1 1 5 or 2 Modbus TCP Type TCP Master to Serial Slave TCP Slave to Serial Master TCP Slave to Serial Master Mode Maximum 8 TCP Port UID Range 1 64 Virtual COM drivers for WIN 98 2000 XP VISTA 2003 7 8 8 1 and WIN10 Virtua...

Page 4: ...w to connect the TRP C37M to the LAN and serial device A review of the switch settings and the functionality of the LED s are also provided 2 1 Panel layout 2 2 LED indicator PWR LED System is ready Blinking LINK LED Ethernet cable connection and data active TX RX LED UART Transiting Receiving Indicator ...

Page 5: ...o allows the user to provide additional power to other devices using the terminal from EU regulation b Wiring terminals on the EU regulation 2 4 Reset Button Push the reset button will Re Boot 2 5 DIP Switches 2 6 How to back factory by external DIP Switches 1 2 Power off then adjusts the SW 1 2 to ON ON position then power on until the PWR LED blinking Adjusts the SW 1 2 to OFF OFF 2 7 Factory Se...

Page 6: ...6 2 6 DB 9 Pin male pin assignment ...

Page 7: ...y to the HUB Router PC STEP3 Connect TRP C37M with RS232 or RS422 485 RTU ASCII of serial device The TRP C37M has one DB 9 male connectors for RS232 connection and a screw terminal connector for RS422 485 connection The DB 9 serial port is DTE interface A null modem cable is required to make a connection between the COM port on a PC and the TRP C37M serial port A straight through cable is required...

Page 8: ...computer Signals are single ended and referenced to Ground To use handshaking Flow Control must be set to RTS CTS during Configuration Refer to the Pin out table for connections 4 How to configure TRP C37M There are 3 ways to access the Server Properties and program the TRP C37M a TRP C37X DSM utility ...

Page 9: ...9 b WEB Server ...

Page 10: ...10 c Serial Console ...

Page 11: ... TRP C37X DSM Utility The TRP C37X DSM software performs several functions A Searching for TRP C37M connected to the network B Displaying and changing the configuration of TRP C37M C Upgrading the TRP C37M firmware ...

Page 12: ... for TRP C37M Once TRP C37M is connected to the LAN the TRP C37X DSM software will search it and display it in a window by name IP address Mac Information 4 3 Configuring Server Properties Select the NO item and Double click to open the Server configuration after setting then click Submit will save the configuration to EEPROM ...

Page 13: ...erver such router When DHCP is enabled but the DHCP server is not available on the network the TRP C37M will timeout then back to factory setting IP 192 168 1 1 Master mode Listening IP The Gateway IP address Listening port RS232 422 485 port address Slave Mode UID Range 1 64 Using UID range to map a query from Modbus serial master with an UID within this range to an IP and port Slave IP Address a...

Page 14: ...Hear Beat enable it allows open a 5300 port 5 sec interval to send out data char packet that provides a easy way to ensure the LAN communications between Host PC Client and gateway devices Maximum Connection 1 16 The function allows the user to configure the TRP C37M Serial Gateway to have up to 16 TCP client connections TCP Keep Alive 1 7 Minute When TRP C37M in Server mode the TRP C37M without d...

Page 15: ... such as I E In Internet Explorer type the IP Address of the Serial Gateway into the address field and press the Enter key The following window will appear Example If TRP C37M IP is 192 168 1 1 Please Input the 192 168 1 1 then enters at web address the web page will appear See diagram below 4 5 using the serial console mode The serial console can be used to configure the TRP C37M Serial Server fr...

Page 16: ...sert the TRP Serial CD then find the CONSOLE exe The CONSOLE file support all windows O S include MS DOS Run the CONSOLE file and Re boot the TRP C37M then select correct host COM port number and data format ...

Page 17: ...ccess the TRP C37M The TRP C37M actually can make connections with any Host IP Once the user has filled in the Host IP these IP are valid the TRP C37M will be pass with them Other host IP will not pass Refer to the following example illustrates Please make sure the firmware version is 601 above and the DSM utility version 6 02 above ...

Page 18: ...al Gateway Support Ethernet and Internet If TRP C37M off line or power fail The Virtual Com utility will try to Reconnection Step 1 Adjust the switch position to ON OFF Step 2 Insert the TRP Serial CD and find the TRP C37M folder Step 3 Click Vcomm exe icon then install Virtual COM utility The Virtual COM utility support multi language please select which language do you need Step4 Click OK button...

Page 19: ... select New Virtual COM Step7 Select Select Serial Port and input TRP C37M IP and port then press OK Step8 If Virtual Com setting success the display will appear bellow Step9 Run TRPCOM utility then select virtual com port make a TRP C37M loop test ...

Page 20: ...20 If in VCOMM s configuration select Boot with windows the virtual com will Auto connection when windows start ...

Page 21: ...M device is MODBUS ASCII Please turn the switch1 2 to OFF ON Example Step1 Connect PC Ethernet TRP C37M RS232 422 485 MODBUS RTU ASCII device Step2 Run Modscan32 utility and input IP Port click OK button then Select function code the response will appear below The Modscan32 utility copyright belong the Win TECH Software Design user can find it from the www win tech com ...

Page 22: ... the modscan32 will be response below 6 2 Modbus TCP Slave to Serial Master Notice If TRP C37M is MODBUS RTU protocol Please turn the switch 1 2 to OFF OFF OR if TRP C37M device is MODBUS ASCII Please turn the switch1 2 to OFF ON Example ...

Page 23: ...TCP Slave PC Step2 Run DSM Search the TRP C37M and change the setting Step3 Run Modbus Poll utility from serial master PC The Modbus Poll and Modbus Slave utility copyright belong the Witte Communications Company Design user can find it from the www modbustools com ...

Page 24: ... Step4 Run Modbus Slave utility from TCP Slave PC and setting the function code as same as the Modbus poll 6 3 Virtual COM Mode Bridge Mode Notice Please turn the switch 1 2 to ON OFF for Virtual COM Mode ...

Page 25: ...nnect PC Ethernet TRP C37M RS232 422 485 MODBUS RTU ASCII device Step2 Run Virtual COM utility and make a virtual COM port Run modscan32 utility and input com port number press OK Step3 Select function code which you need ...

Page 26: ... Paired Mode Bridge Mode Notice Please turn the switch 1 2 to ON OFF for Paired Mode Example Step1 Connect PC RS232 422 485 TRP C37M Ethernet TRP C37M MODBUS RTU ASCII slave device Step2 Run DSM set up TRP C37M as Client Input destination IP and Port ...

Page 27: ...27 Step3 Run DSM set up TRP C37M as Server and be sure the IP and port as same as client setting ...

Page 28: ...step4 same refer above 6 5 Multi Client to 1 TRP C37M Server Example Running at Multi Direct IP Mode Step1 Connect Multi PC Ethernet TRP C37M Server TRP C28 RS485 ID 1 Step2 Run DSM Set up TRP C37M Maximum connection 16 ...

Page 29: ...OM utility and select com port number and press OK Step3 Select Terminal and send command the response will appear TRP C28 channel 2 counter value 6 6 Heart Beat The heart Beat function help customer detection the TRP C37M LAN on line or off line User can open one 5300 port if TRP C37M on line the 5300 port will send a char staring period of 5 sec ...

Page 30: ...30 Step1 Run TRP C37X DSM utility to set up the heart beat enable Step2 RUN TRPCOM then click Link button Wait until the Response screen appear the message ...

Page 31: ...reen appear the char message 7 Using TRPCOM Utility test TRP C37M We recommend use the virtual com mode test all RS232 422 485 function Please turn the switch 1 2 to ON OFF Support all ASCII and Binary code includes MODBUS RTU ASCII Protocol in Virtual com Mode TRPCOM Utility is demo utility which may help to test TRP C37M UART interface User may ...

Page 32: ...n directly link TRP C37M to TRP Serial Remote IO Modules by RS485 The basic wiring connect RS485 Test DATA to DATA DATA to DATA How to operator please see the diagram below RS422 Loop back Test Hardware connects wiring for RS422 loop test TX to RX TX to RX RS232 Loop Back Test Hardware wiring connection for RS232 Loop Test TXD to RXD RTS to CTS ...

Page 33: ...OM utility and set up the TRP C37M IP and PORT STEP2 RUN TRPCOM test utility then select virtual com port number STEP3 Select terminal and key in some word at send command text filed STEP4 Click Send Command and get response ...

Page 34: ...34 ...

Page 35: ...35 7 Application1 ...

Page 36: ...cannot process the data and perform operations This means that no matter what it received any data that can only be responsible for two way Transmission TRP C37M Modbus TCP to RTU ASCII Gateway The TRP C37M which is able to analyzes the protocols between Modbus TCP and Modbus RTU ASCII The TRP C37M can assign the UID of Modbus TCP slave from Modbus Serial Master TRP C37M has all the features of TR...

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