A Technical Appendix - Festo CAMC-G-S3 Manual

A Technical appendix
A Technical appendix
A.1 Technical data
A.1.1 Safety engineering
Safety data
Safety functions in ac­
cordance with
EN 61800-5-2
Values in accordance with EN 61800-5-2
SIL
-1
PFH [h ]
DC [%]
HFT
SFF [%]
T [Years] 20
Values in accordance with EN 62061
SIL
-1
PFH [h ]
D
DC [%]
HFT
SFF [%]
T [Years] 20
Values in accordance with EN 61508
SIL
-1
PFH [h ]
DC [%]
HFT
SFF [%]
T [Years] 20
Festo – GDCP-CAMC-G-S3-EN – 1406NH – English
STO Safe Torque Off
SS1 Safe Stop 1
SS2 Safe Stop 2
SOS Safe Operating Stop
SLS Safely-Limited Speed
SSR Safe Speed Range
SSM Safe Speed Monitor
SBC Safe Brake Control
SIL 3 Safety integrity level
–9
9.5 x 10 Probability of dangerous random hardware failure per hour
97.5 Diagnostic coverage
1 Hardware failure tolerance
99.5 Safe failure fraction
Proof test interval
SIL CL 3 Claim limit, for a subsystem
–9
9.5 x 10 Probability of dangerous failure per hour
97.5 Diagnostic coverage
1 Hardware failure tolerance
99.5 Safe failure fraction
Proof test interval
SIL 3 Safety integrity level
–9
9.5 x 10 Average frequency of dangerous failure
97.5 Diagnostic coverage
1 Hardware failure tolerance
99.5 Safe failure fraction
Proof test interval
229