Additional information
The following table shows where you can find the step-by-step instructions for replacing
components:
You can find the procedure used to
replace components ...
.... in the manual
Automaton System S7-400H; High Availability
Systems
in the section
...
Central racks Failure and replacement of a CPU (redundant CPU)
Failure and replacement of a power supply module
Failure and replacement of a communication processor
Failure and replacement of a synchronization module or FO ca‐
ble
Failure and replacement of an IM 460 and IM 461 interface
module
Distributed I/O (on PROFIBUS DP) Failure and replacement of distributed I/O components
Failure and replacement of an input/output or function module
Failure and replacement of a PROFIBUS DP master
Failure and replacement of a redundant PROFIBUS DP inter‐
face module
Failure and replacement of a PROFIBUS DP slave
Failure and replacement of PROFIBUS DP cables
Distributed I/O (on PROFINET IO) Failure and replacement of distributed I/O components
Failure and replacement of an input/output or function module
Failure and replacement of an IO controller
Failure and replacement of a redundant PROFINET IO interface
module
Failure and replacement of an IO device
Failure and replacement of PROFINET IO cables (Ethernet ca‐
ble)
Note
After every component replacement
Make sure that all systems are free from faults and that the H-system is operating redundantly
and without errors.
Replacing components and plant changes
6.1 Failure and replacement of components
High Availability Process Control Systems (V9.0)
190 Function Manual, 05/2017, A5E39221836-AA
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