The instruction

Two-way data transparent forward between RS485 and server, Not change the communication data format


Video Tutorial


How to set gateway and test

1. Set gateway to Two-way data transparent forward mode

First, disable Modbus master mode in “Modbus” page

In “RS485” page

In “GPRS” page

Note:
1) The heartbeat time and packet can hold connection between gateway and server.

After setup, start the device to go to working mode.

2. Test
For example, 4G gateway connect a Modbus temperature humidity sensor on RS485, slave id is 1, below is register map

Master read temperature humidity command:

Sensor responds:

Use the Net Assistant to test, run it on server

Author:admin  Create time:2022-08-11 23:48
Last editor:admin  Update time:2022-08-23 10:29