Siemens Simatic S7-1500H Manual - Page 12

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2.2

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)

● System 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.

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 2-1

Configuration example for S7-1500R

CPU 1515R-2 PN (6ES7515-2RM00-0AB0)

Equipment Manual, 11/2019, A5E42009914-AB

2.2 Configuration and operating principle

Product overview