Getting Started
4.5 Special layout features of SIMATIC Manager
S7-400H
System Manual, 03/2012, A5E00267695-11
45
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
under CPU1.
● In the online view, the S7 program appears under both CPUs and can be selected in both
locations.
● In the online view, the CPUs are represented by symbols that reflect the respective
operating states of the CPUs.
● For programming device (PG) functions that set up online connections, one of the two
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).
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