Installation Manual for SMX Modules - OEM Automatic AB

Installation Manual
18 Appendix
18.1 Appendix A
General note:
The individual switches of the following input elements can be assigned to the digital inputs
DI1 to DI8 as desired.
Enable switch
Switch type Comment Classification PI acc. to
EN ISO 13849-1
Classification SIL
acc. to EN 61508
1 normally closed Enable switch standard Pl d SIL 2
1 normally open Enable switch standard Pl d SIL 2
2 normally closed Enable switch higher
Pl e SIL 3
requirements
2 normally closed
time monitored
Enable switch monitored Pl e SIL 3
Emergency Stop
Switch type Comment Classification category Classification SIL
1 normally closed Emergency Stop
Pl d 1) SIL 2
standard
2 normally closed Emergency stop higher
Pl e SIL 3
requirements
2 normally closed time
monitored
Emergency Stop
monitored
Pl e SIL 3
1)
Fault exclusions and boundary conditions acc. to EN 13849-2 must be observed!
Door monitoring
Switch type Comment Classification category Classification SIL
2 normally closed Door monitoring higher
Pl e SIL 3
requirements
2 normally closed Door monitoring monitored Pl e SIL 3
time monitored
1 normally open + 1 Door monitoring higher
Pl e SIL 3
normally closed requirements
1 normally open + 1 Door monitoring monitored SIL 3
normally closed time
monitored
2 normally open + 2 Door monitoring higher
Pl e SIL 3
normally closed requirements
2 normally open + 2 Door monitoring monitored Pl e SIL 3
normally closed time
monitored
3 normally closed Door monitoring higher
Pl e SIL 3
requirements
3 normally closed
time monitored
Door monitoring monitored Pl e SIL 3
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