● Following a prompt from the user program via an acknowledgement signal, for example,
on an OS with a "Depassivation" button at the block
● After pulling/plugging a module
● Following a diagnostic interrupt (e.g. wire break, measured value)
Additional information
● Online Help for
STEP 7
● Manual
Automation System S7-400H; High Availability Systems
● Manual
Process Control System PCS 7; PCS 7 OS Process Control
Failure, switchover and reintegration of high availability components
7.1 I/O
High Availability Process Control Systems (V9.0)
Function Manual, 05/2017, A5E39221836-AA 201
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