Forming Potential Groups With Fail-Safe Modules - Siemens SIMATIC ET 200SP System Manual

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Figure 4-5
4.5.3

Forming potential groups with fail-safe modules

Introduction
ET 200SP distributed I/O systems can be configured using fail-safe and non-fail-safe
modules. This chapter provides an example of a mixed configuration comprising fail-safe and
non-fail-safe modules.
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
CPU/interface module
24 V DC potential group
BaseUnits with DC I/O modules
BaseUnits BU 20-P12+A0+4B with AC I/O modules
Direct voltage
Alternating voltage
Placing the BaseUnits for the AC I/O modules
Application planning
4.5 Forming potential groups
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