YASKAWA SigmaLogic7 Compact Hardware Manual page 6

Safety Performance Amplifier Alone
Items
Safety Integrity Level
Mission Time
Probability of Dangerous
Failure per Hour
Performance Level
Mean Time to Dangerous
Failure of Each Channel
Average Diagnostic
Coverage
Stop Category
Safety Function
Hardware Fault Tolerance
Subsystem
Safety Performance with Safety Module
Items
Safety Integrity Level
Probability of Dangerous
Failure per Hour
Performance Level
Mean Time to Dangerous
Failure of Each Channel
Average Diagnostic
Coverage
Safety Function
Mission Time
Hardware Fault Tolerance
Subsystem
6
Standards
IEC 61508 SIL3
IEC 62061 SILCL3
IEC 61508 10 years
IEC 61508
PFH = 4.60 x 10
IEC 62061
4.60% of SIL3
EN ISO
PLe (Category 3)
13849-1
EN ISO
MTTFd: High
13849-1
EN ISO
DCavg: Medium
13849-1
IEC 60204-1 Stop category 0
IEC
STO
61800-5-2
IEC 61508 HFT = 1
IEC 61508 B
Standards
IEC 61508
IEC 62061
IEC 61508
IEC 62061
EN ISO 13849-1
EN ISO 13849-1
EN ISO 13849-1
IEC 61800-5-2
IEC 61508
IEC 61508
IEC 61508
Performance Level
20 years
-9
[1/h] PFH = 4.62 x 10
4.62% of SIL3
Performance Level
SIL2
SILCL2
-7
PFH = 3.3 x 10 [1/h]
3.3% of SIL2
PL d (Category 2)
MTTFd: High
DCavg: Medium
STO/SS1/SS2/SLS
10 Years
HFT = 1
B
-9
[1/h]