Technical specifications
9.4 Interface description
KP8, KP8F
Operating Instructions, 10/2010, A5E03284305-01
89
Fail-safe mode for 1oo2 evaluation
● In accordance with IEC 61508:2010
Systematic Capability
SIL3
Mode of operation
High and low demand mode
Meantime to Restoration (MTTR)
100 h
Probability of a dangerous failure per hour
(PFH)
2.55 × 10
–10
1/h
Probability of a dangerous failure on demand
(PFD)
1.11 × 10
–5
Safe Failure Fraction (SFF)
99.23 %
Diagnostic test interval
15 ms
Proof Test Interval
10 y
Lifetime
10 y
● In accordance with IEC 13849:2006
Meantime to Failure (MTTF
d
)
560 y
Meantime to Restoration (MTTR)
100 h
Diagnostic Coverage (DC
avg
)
99.04 %
Performance Level
e
Category
4
● In accordance with EN 954-1:1996
Category
4
9.4
Interface description
9.4.1
Inputs and outputs KP8
X60, connector, 12-pin
0
,2
0
,2
,2
,2
/
,2
/
,2
,2
,2