5.3.3 Specific configuration variants for S7-1500H
5.3.3.1 Configuration of line topology with S2 devices and switch
Introduction
The section below shows you the configuration of the S7-1500H redundant system with line
topology, S2 devices and switch. An additional line topology is connected to the switch.
Advantages/benefits
•
Less wiring effort required due to the line topology. Only one PROFINET line is connected
to each of the PROFINET interfaces X1 of the H-CPUs.
•
A configuration of the MRP rollers is not required.
•
No MRP reconfiguration times required and therefore shorter monitoring times possible.
•
In the event of a line break in the line topology between the H-CPUs, the S2 device does
not fail.
•
The configuration can be expanded with an additional line topology via a switch.
S7-1500H configuration with S2 devices and switch in a line topology
① CPU 1
② CPU 2
③ Two fiber-optic cables (redundancy connections)
④ IO device ET 200MP (with system redundancy S2)
⑤ IO device ET 200SP (with system redundancy S2)
⑥ Switch
81
Application planning
5.3 Configuration versions
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
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