YASKAWA SGD7S-R70A20A023F40B Product Manual page 28

 Safety Parameters
Safety Integrity Level
Probability of Dangerous Failure per Hour
Performance Level
Mean Time to Dangerous Failure of Each Channel EN ISO 13849-1
Average Diagnostic Coverage
Stop Category
Safety Function
Mission Time
Hardware Fault Tolerance
Subsystem
xxviii
Item Standards
IEC 61508
IEC 62061
IEC 61508
IEC 62061
EN ISO 13849-1
EN ISO 13849-1
IEC 60204-1
IEC 61800-5-2
IEC 61508
IEC 61508
IEC 61508
Performance Level
SIL3
SILCL3
-9
PFH = 4.04×10 [1/h]
(4.04% of SIL3)
PLe (Category 3)
MTTFd: High
DCavg: Medium
Stop category 0
STO
10 years
HFT = 1
B