GRP-520 FAQ Ver1.0
ICP DAS CO., LTD.
13
Q04: How to make Modbus/TCP to Modbus/RTU over 3G, and Card Reader Monitor
Application?
A04: The architecture shows as below, please follow the steps to setup GRP-520.
1.
Please connect your device (M-7017 or PLC) to RS-485 of GRP-520.
Baudrate of Modbus device is 9600 bps, data format is 8N1 (Data bits, Parity, Stop bits).
Baudrate of Card Reader is 115200 bps
2.
If you never use VxServer, please refer the link as below:
http://m2m.icpdas.com/VxServer.html
you need download VxServer software and VxComm software, and install it on your control
center
3.
Set Pin code of your SIM card, and Enable “Auto-Dialing” function.
Set “User Name” and “Password” if your SIM card needs it.
Press “Modify”
4.
Enable “3G/GPRS Reconnection” function to keep your 3G/GPRS network always online
(usually, ISP will disconnect your connection once every 1~3 days).
Generally, you can set the Server IP as your server’s IP or google’s DNS server IP (8.8.8.8). If