1. reset

  • press and hold the Reload button for at least 10 seconds, and release it

  • connect to the buildin accesspoint USR-DR404_????

2. config

./pic/gw01.png

3. test modbus

in this testcase we have connected an ENTES energymeter with address 76 on the RS485 connector of the usr-dr404.

/opt/rpower/bin/modpoll -p 8899 -a 76 -r 3 -c 13 -1 10.10.100.254
modpoll 3.10 - FieldTalk(tm) Modbus(R) Master Simulator
Copyright (c) 2002-2021 proconX Pty Ltd
Visit https://www.modbusdriver.com for Modbus libraries and tools.

Protocol configuration: MODBUS/TCP, FC3
Slave configuration...: address = 76, start reference = 3, count = 13
Communication.........: 10.10.100.254, port 8899, t/o 1.00 s, poll rate 1000 ms
Data type.............: 16-bit register, output (holding) register table

-- Polling slave...
[3]: 3
[4]: 0
[5]: 0
[6]: 2
[7]: 22878
[8]: 0
[9]: 0
[10]: 0
[11]: 0
[12]: 0
[13]: 0
[14]: 0
[15]: 0