Special Layout Features Of Simatic Manager - Siemens SIMATIC S7-400H System Manual
Fault-tolerant systems
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Also See for SIMATIC S7-400H:
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4.5
Special layout features of SIMATIC Manager
In order to do justice to the special features of a fault-tolerant system, the way in which the
system is visualized and edited in SIMATIC Manager differs from that of a S7-400 standard
station as follows:
● In the offline view, the S7 program appears only under CPU0. No S7 program is visible
● In the online view, the S7 program appears under both CPUs and can be selected in both
● In the online view, the CPUs are represented by symbols that reflect the respective
● For programming device (PG) functions that set up online connections, one of the two
S7-400H
System Manual, 03/2012, A5E00267695-11
under CPU1.
locations.
operating states of the CPUs.
CPUs has to be selected (even if the function affects the entire fault-tolerant system by
means of the redundant link).
Note
You should preferably process CPU0, because information that is only available offline
will be missing otherwise (e.g. comments or parameter names).
4.5 Special layout features of SIMATIC Manager
Getting Started
45
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