Failure And Replacement Of Components During Operation - Siemens SIMATIC S7-400H Manual

Failure and Replacement of Components
During Operation
One factor that is crucial to the uninterrupted operation of the fault-tolerant
controller is the replacement of failed components while in operation. Rapid repair
quickly reestablishes the fault tolerance.
We will show you in the sections that follow how simple and fast it can be to repair
and replace components in the S7-400H. Please pay attention to the tips in the
corresponding sections of the installation manual, S7-400/M7-400 Programmable
Controllers, Hardware and Installation
In Section
9.1
9.2
S7-400H Programmable Controller Fault-Tolerant Systems
A5E00068197-04
You Will Find
Failure and Replacement of Components in Central Racks and
Expansion Racks
Failure and Replacement of Components of the Distributed I/O
9
On Page
9-2
9-12
9-1