Siemens SIMATIC ET 200SP System Manual

Application planning
4.5 Forming potential groups
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
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①
CPU/interface module
②
24 V DC potential group
③
BaseUnits with DC I/O modules
④
BaseUnits BU 20-P12+A0+4B with AC I/O modules
⑤
Direct voltage
⑥
Alternating voltage
Figure 4-5 Placing the BaseUnits for the AC I/O modules
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.

Siemens SIMATIC ET 200SP Specifications

General

System Type	Distributed I/O System
Mounting	DIN Rail
Communication Protocol	PROFINET, PROFIBUS
IP Rating	IP20
Category	I/O Systems
Supply Voltage	24 V DC
Modularity	Yes
Hot Swapping	Yes
Storage Temperature	-40°C to +70°C
Digital Inputs	Yes
Digital Outputs	Yes
Analog Inputs	Yes
Analog Outputs	Yes
Communication Interface	PROFINET, PROFIBUS
Number of Modules	Up to 64
Relative Humidity	5 to 95% (non-condensing)
Operating Temperature	-25°C to +60°C