Step 7, Step I: Offline Modification Of The Hardware Configuration - Siemens SIMATIC S7-400H Manual
Fault-tolerant systems
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Also See for SIMATIC S7-400H:
- System manual (504 pages) ,
- Manual (337 pages) ,
- Manual (5 pages)
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Modifications to the System while in Operation
10.5.1
STEP 7, Step I: Offline Modification of the Hardware
Configuration
Initial situation
The fault-tolerant system is working in the Redundant system mode.
Procedure
1.
Perform offline all the modifications to the hardware configuration relating to
the hardware to be removed.
2.
Compile the new hardware configuration, but do not load it into the PLC yet.
Result
The modified hardware configuration is in the PG. The PLC continues to work with
the old configuration in the Redundant system mode.
10-34
S7-400H Programmable Controller Fault-Tolerant Systems
A5E00068197-04
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