Configuration And Operating Principle - Siemens SIMATIC S7-1500R/H Manual

Additional information
You can find an overview of all new functions, improvements and revisions in the respective
firmware versions on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/109478459).
3.2

Configuration and operating principle

Structure
The S7-1500R redundant system consists of the following components:
• Two CPUs of the type CPU 1515R‑2 PN
• Two SIMATIC memory cards
• PROFINET cable (redundancy connections, PROFINET ring)
• IO devices
• Load power supply (optional)
You mount the CPUs on a common mounting rail or spatially separated on two separate
mounting rails. You connect the two CPUs and the IO devices in a PROFINET ring via the
PROFINET cable.
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① Optional load current supply
② First CPU
③ Mounting rail with integrated DIN rail profile
④ Second CPU
⑤ PROFINET cable (redundancy connections, PROFINET ring)
Figure 3-1 Configuration example for S7‑1500R
CPU 1515R-2 PN (6ES7515-2RN03-0AB0)
Equipment Manual, 11/2022, A5E42009914-AD
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3.2 Configuration and operating principle
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Product overview
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