F-Runtime Groups - Siemens SIMATIC PCS 7 Operating Manual

Configuring the safety program
7.2 Creating the safety program
7.2.5

F-runtime groups

During the programming of the safety program, F-blocks cannot be inserted directly into
tasks (cyclic interrupt OBs). When a new CFC chart is created in PCS 7, the system will
automatically generate a runtime group of the same name, into which the F-blocks placed in
the corresponding CFC chart can then be inserted.
An F-runtime group only becomes an F-runtime group (identified by a yellow folder and "F")
when F-blocks are called in it.
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Compendium Part B - Process Safety (V8.2)
Operating Manual, 07/2016, A5E35031794-AB