Product overview
2.2 Configuration and operating principle
CPU 1517H-3 PN (6ES7517-3HP00-0AB0)
12
Equipment Manual, 11/2019, A5E42011886-AB
You mount the CPUs on a common mounting rail or spatially separated on two separate
mounting rails. You connect the two CPUs with fiber-optic cables to two synchronization
modules in each CPU. You set up the PROFINET ring with the PROFINET interfaces
X1 P1 R and X1 P2 R of the CPUs.
①
Optional load current supply
②
First CPU
③
Mounting rail with integrated DIN rail profile
④
Second CPU
⑤
Location of the synchronization modules (not visible in graphic)
⑥
Redundancy connections (fiber-optic cables)
⑦
PROFINET cable (PROFINET ring)
Figure 2-1
Configuration example for S7-1500H
Note
Standard rail adapter
You mount the CPUs on a standardized 35 mm rail using the standard rail adapter.
You will find information on mounting the standard rail adapter in the S7-1500R/H redundant
system (
https://support.industry.siemens.com/cs/ww/en/view/109754833
) System Manual.