Circuit diagram example
4.5 TIA Portal programming
Safety engineering with AS‑Interface in the SIMATIC ET 200SP, including typical circuit diagram
Function Manual, 08/2020, A5E44991382002A/RS-AB/002
47
4.5 TIA Portal programming
In this typical circuit diagram, the focus is on the safety-related switching of the machine.
Therefore, operational switching is not taken into account, and no standard user program is
programmed. In this example, the user must implement the operational switching – adapted
to the conditions of the machine – in their program with the aid of the "operativeOn" variable
in the DB "DataToSafety" via the FB "StartStop".
Figure 4-20 Safety program
The MainSafety function block is called cyclically by an F-runtime group. This contains all
other safety-related program parts.
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