The figure below shows a configuration example of the S7-1500H in the PROFINET ring.
①
Load current supply (optional)
②
CPU 1517H-3 PN
③
PROFINET cable (PROFINET ring)
④
Redundancy connections (2 duplex fiber-optic cables)
⑤
IO device in the PROFINET ring
⑥
Switch
⑦
IO device outside the PROFINET ring (separated with switch)
Figure 5-12
Configuration variant S7-1500H in PROFINET ring
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
5.1 What is the S7-1500R/H redundant system?
System overview
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