Table of Contents
Advertisement
Server Mode Communication Example:
In this scenario, it is desired to take data from a device that accepts MODBUS RTU query using a computer that
is connected to the network. MODBUS software in the computer can create MODBUS TCP queries only from
port no 502. In this case, in oder to have a healthy data communication, the following steps should be taken:
MODBUS TCP
1
MODBUS TCP
Figura 3.7: Server Mode Settings Screen
QUERY
MODBUS TCP
2
NETWORK
6
MODBUS TCP
RESPONSE
Figura 3.8: Server Mode Data Communication Scenario
MODBUS RTU
3
RS485-ETH-N
5
MODBUS RTU
Ethernet / Serial Gateway - RS485-ETH-N | 19
www.weg.net
4
Advertisement
Table of Contents
