WAGO Compact Controller 100 Manual page 45

WAGO I/O System Compact Function Description 45
751-9301 Compact Controller 100
When switching to operating with separate interfaces, interface X2 is initialized
with the setting values last valid for it. The connections on the X1 interface
persist.
When operating with separate interfaces and fixed IP address, the device can still
be accessed via the interface X2 via the regular IP address.
Manual
Version 1.1.0, valid from FW Version 03.08.07(20)