RESI®
Title:
RESI-KNX-xxx manual
Date
Page
of
12.12.2018
53
60
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12 RESI-xxx-ETH operation modes
The gateway supports MODBUS/TCP server protocol. The gateway acts a as a MODBUS/TCP slave.
MODBUS/TCP server
: The module is a MODBUS/TCP server. A host with MODBUS/TCP master
protocol can directly communicate with the IO module connected via Ethernet.
Illustration: MODBUS/TCP MODE on RESI-xxx-ETH converters
Power 12-48Vdc
Ethernet
Socket
MODBUS/TCP
Request
e.g. #1:READ
HOLDING REGISTER
MODBUS/TCP
Answer
e.g. #1:data for READ
HOLDING REGISTER
MODBUS/TCP
