Siemens SIMATIC ET 200SP System Manual

System overview
3.3 How are SIMATIC Safety F-systems structured with ET 200SP?
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
23
Achievable safety classes
The fail-safe modules are equipped with integrated safety functions for safety mode.
You can achieve the safety classes of the table below:
● With the appropriate parameter assignment of the safety functions in STEP 7
● With a specific combination of fail-safe and non-fail-safe I/O modules
● With a special arrangement and wiring of the sensors and actuators
Table 3- 1 Safety classes that can be achieved with ET 200SP in safety mode
Safety class in safety mode
According to IEC 61508
In accordance with ISO 13849-1
SIL2
Category 3
(PL) Performance Level d
SIL3
Category 3
(PL) Performance Level e
SIL3
Category 4
(PL) Performance Level e
Additional information
You will find the use cases and wiring for the relevant safety class in the manuals of the fail-
safe I/Os and the fail-safe motor starters.

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