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Installation manual
PSC1-C-10 Installation manual V2.6
Page 172 of 173
Version: 57E
Sensor
Switch type
Remark
Category categorisation SIL categorisation
1 normally closed
contact
Simple sensor input
PL d
SIL 2
1 normally open contact Simple sensor input
PL d
SIL 2
2 normally closed
contact
Sensor input for increased
requirement
PL e
SIL 3
2 normally closed
contacts time
monitoring
Monitored sensor input
PL e
SIL 3
1 normally open contact
+ 1 normally closed
contact
Sensor input for increased
requirement
PL e
SIL 3
1 normally open contact
+ 1 normally closed
contact time monitored
Monitored sensor input
PL e
SIL 3
Start / Reset
Switch type
Remark
Category categorisation SIL categorisation
1 normally open contact Simple alarm reset (edge
evaluation)
--
--
1 normally open contact Simple logic reset
PL d
SIL 2
1 normally open contact Simple start monitoring
(special function)
--
--
Note:
The alarm reset input can be operated with a continuous voltage of 24 V and is edge controlled.