Installation Manual
HB-37350-810-31-09F-EN KSM31R Installation Manual.doc
Page 27 of 28
8.4 Safety-related characteristic data
8.4.1 Single-channel use of the relay output according to 5.2.2
Max. achievable safety class
•
SIL 2 acc. to EN61508
•
Performance level d according to
EN ISO 13849-1
System structure
•
1-channel with diagnose (1001)
•
Category 2 acc. to EN 13849-1
Rating of operating mode
“high demand” acc. to EN 61508
(high demand rate)
Probability of an endangering failure
per hour (PFH value)
KSM31R = 2,2 * 10
-9
/
KAT 4
+ 1-channel / relay 20 * 10
-9
max. 8
Proof test interval (EN61508)
20 years; after this time, the module must be
replaced
8.4.2 Dual-channel use of the relay output according to 5.2.3, 5.2.4 or 5.2.5
Max. achievable safety class
•
SIL 3 acc. to EN61508
•
Performance level e acc. to
EN ISO 13849-1
System structure
•
2-channel with diagnose (1002)
•
Category 4 acc. to EN 13849-1
Rating of operating mode
“high demand” acc. to EN 61508
(high demand rate)
Probability of an endangering failure
per hour (PFH value)
KSM31R = 2,2 * 10
-9
/
KAT 4
+ 2-channel / relay 1,0 * 10
-9
max. 4
Proof test interval (EN61508)
20 years; after this time, the module must be
replaced
