ABB FSO-21 - Page 214

214 PROFIsafe
Overview of states and transitions in the FSO module when fatal errors in the FSO
module occur or when cycling power of the FSO module.
Start-up Fail-safe
Safe
(Module
passivation)
Safe
(User
acknowledgement
request)
Power on/off
Fatal error
Safe
(Module
passivation with
a command)
Safe
(Module passivation
& reintegration)
Operational
16
13
9
5
12
25
6
15
17
14
26
4
2
9
2
RUN
Configuration
32
33