Safety engineering with AS‑Interface in the SIMATIC ET 200SP, including typical circuit diagram
Function Manual, 08/2020, A5E44991382002A/RS-AB/002
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4.1 Knowledge required
The following application example shows how conventional safety functions, such as
emergency stop shutdown and protective door monitoring in the ET 200SP system can be
configured and programmed with AS-Interface via the TIA Portal.
Knowledge required
The following knowledge and skills are required:
• Fundamentals of functional safety
• Fundamentals of AS-Interface
• Fundamentals in STEP 7 programming
4.2 Operating principle
4.2.1 Overview
Protective doors are frequently used to fence off danger zones. These are monitored for
position and, if necessary, the area from which the hazard emanates is switched off. If the
machine continues to present a hazard even after switching off, access can be prevented for
this period by a tumbler. An emergency stop command device is additionally monitored for
shutting down the machine in an emergency. CM AS-i Master and F-CM AS-i Safety are used
to connect to the fail-safe controller.
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