HB-37350-810-01-50F-EN PSC1-C-10 Installation manual V2.1.docx Page 184 of 189
Version: 50F
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
PL categorisation
according to EN ISO
13849-1
SIL categorisation
according to EN 61508
1 normally closed
contact
2 normally closed
contacts
Enable switch for increased
requirement
2 normally closed
contacts time
monitoring
Emergency stop
1 normally closed
contact
2 normally closed
contact
EMERGENCY STOP for
increased requirement
2 normally closed
contacts time
monitoring
(1)
Fault exclusions and boundary conditions according to EN ISO 13849-2 are to be observed!
Door monitoring
2 normally closed
contact
Door monitoring for
increased requirement
2 normally closed
contacts time
monitoring
Monitored door monitoring
1 normally open
contact + 1 normally
closed contact
Door monitoring for
increased requirement
1 normally open
contact + 1 normally
closed contact time
monitored
Monitored door monitoring