Failure And Replacement Of Components Of The Distributed I/O - Siemens SIMATIC S7-400H Manual

Failure and Replacement of Components During Operation
9.2

Failure and Replacement of Components of the Distributed I/O

Which components can be replaced?
The following components of the distributed I/O can be replaced during operation:
PROFIBUS-DP master
PROFIBUS-DP interface module (IM 153-2 or IM 157)
PROFIBUS DP slave
PROFIBUS-DP cable
Note
Changing modules in a remote station has been described previously in
Section 9.1.3.
9-12
S7-400H Programmable Controller Fault-Tolerant Systems
A5E00068197-04