Siemens SIMATIC PCS 7 Operating Manual page 115

2. Press the second acknowledge button, "reset (9)", to write the value 9 to the "IN" input of
the F_QUITES block.
The "OUT" output of F_QUITES is set to 1 for one cycle and the F-channel drivers are
reintegrated.
Compendium Part B - Process Safety (V8.2)
Operating Manual, 07/2016, A5E35031794-AB
7.7 Passivation and reintegration of input/output channels
Configuring the safety program
115