Description
2.2 Structure of PROFIBUS networks
PROFIBUS with STEP 7 V13
Function Manual, 12/2014, A5E03775446-AC
37
Topology with diagnostic repeater
Diagnostic repeater with three segments
You may not exceed the maximum permitted cable length of 100 m per segment that can be
monitored for the diagnostic repeater. The segments connected to DP2 and DP3 are
diagnostics-capable. The cable length that can be monitored is limited for some cable types.
You can connect up to nine diagnostic repeaters in series between any two PROFIBUS
stations.
Figure 2-11 Schematic layout of a PROFIBUS network with maximum possible cascade depth at
diagnostic repeaters
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