Commissioning / Operation / Maintenance AddFEM
5-42
AddFEM
C79000–G8076–C900–03
5.5.3.1.3 Redundant AddFEM (Operating Mode 2)
At Operating Mode 2 the two AddFEMs which exist physically are docked “vir-
tually” to the PROFIBUS DP line of the SIMATIC S7–400.
Figure 5-20 AddFEM redundant
The two AddFEMs have to be configured with different PROFIBUS DP addresses.
Interface A is assigned at each module. The configuration of the two modules has
to be absolutely identical, with the exception of the PROFIBUS DP address.
Note
Operating Mode 2 “
AS not red. AddFEM red.” has to be set individually at each of the
displayed modules.
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