10. easyE4 communication Connection to other devices
10.17 Modbus TCP
Device information tab
Fig. 353: Device information tab
Expansion parameter tab
The Expansion parameter tab can be used to configure the relevant Modbus TCP
parameters
for the Modbus module, i.e., for the Modbus TCP server.
Modbus communication occurs either via a fixed IP address or through the DNS
name in the domain name system (DNS).
Fig. 354: Expansion parameter tab for Modbus TCP servers
IP address
This is where the IP address of the Modbus TCP server is set. The default setting is:
0.0.0.0.
The IP address must have the same network as the
Modbus TCP client (the easyE4 base device). Please refer to → "Basic information on
assigning IP addresses", page 117 as well.
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