Applications Of The F-I/O Module; Applications Of The F-Di 16X24Vdc - Siemens Simatic S7-1500 Manual

Applications of the F-I/O module

5.1

Applications of the F-DI 16x24VDC

Selecting the application
The diagram below supports you in selecting the application that suits your fail-safe
requirements. In the following sections, you will learn how to wire the F-module, the specific
parameters you must assign in STEP 7 Safety and the errors that are detected.
Image 5-1
The achievable safety class depends on the quality of the sensor and the duration of the
mission time in accordance with IEC 61508:2010. If the quality of the sensor is lower than
the quality required by the safety class, redundant sensors connected via two channels
must be used and evaluated.
32
Selecting the application – digital input module F-DI 16x24VDC
WARNING
Digital input module F-DI 16x24VDC (6ES7526-1BH00-0AB0)
Manual, 01/2016, A5E03858068-AA
5