Interface Description; Inputs And Outputs Kp8 - Siemens SIMATIC KP8 Operating Instructions Manual

Fail-safe mode for 1oo2 evaluation
● In accordance with IEC 61508:2010
● In accordance with IEC 13849:2006
● In accordance with EN 954-1:1996
9.4

Interface description

9.4.1

Inputs and outputs KP8

X60, connector, 12-pin
KP8, KP8F
Operating Instructions, 10/2010, A5E03284305-01
Systematic Capability
Mode of operation
Meantime to Restoration (MTTR)
Probability of a dangerous failure per hour
(PFH)
Probability of a dangerous failure on demand
(PFD)
Safe Failure Fraction (SFF)
Diagnostic test interval
Proof Test Interval
Lifetime
Meantime to Failure (MTTF
Meantime to Restoration (MTTR)
Diagnostic Coverage (DC
Performance Level
Category
Category
SIL3
High and low demand mode
100 h
2.55 × 10
1.11 × 10
99.23 %
15 ms
10 y
10 y
) 560 y
d
100 h
) 99.04 %
avg
e
4
4
Technical specifications
9.4 Interface description
1/h
–10
–5
89