Appendix; Appendix A - Categorisation Of The Switch Types - schmersal PSC1 Series Installation Manual

Installation manual

13 Appendix

13.1 Appendix A – categorisation of the switch types
General note:
The individual switches for the following input elements can be assigned as required to the digital
inputs I0 to I13.
Enable switch
Switch type Remark
1 normally closed Simple enable switch
contact
1 normally open Simple enable switch
contact
2 normally closed Enable switch for increased
contacts requirement
2 normally closed Monitored enable switch
contacts time
monitoring
Emergency stop
Switch type
1 normally closed contact EMERGENCY STOP simple PL d
2 normally closed contact EMERGENCY STOP for
2 normally closed
contacts time monitoring
(1) Fault exclusions and boundary conditions according to EN ISO 13849-2 are to be observed!
Door monitoring
Switch type Remark
2 normally closed Door monitoring for
contact increased requirement
2 normally closed Monitored door monitoring PL e
contacts time
monitoring
1 normally open Door monitoring for
contact + 1 normally increased requirement
closed contact
1 normally open Monitored door monitoring PL e
contact + 1 normally
closed contact time
monitored
2 normally open Door monitoring for
contact + 2 normally increased requirement
closed contact
PSC1-C-10 Installation manual V2.7
Version: 57E
Remark
increased requirement
EMERGENCY STOP
monitored
PL categorisation
according to EN ISO
13849-1
PL d
PL d
PL e
PL e
Category categorisation SIL categorisation
1)
PL e
PL e
Category categorisation SIL categorisation
PL e
PL e
PL e
SIL categorisation
according to EN 61508
SIL 2
SIL 2
SIL 3
SIL 3
SIL 2
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
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