AUMA AC 01.2-22X Manual page 42

Safety-related figures
42
SA 25.1 – SA 40.1 / SAEx 25.1 – SAEx 40.1
Switchgear version: Contactors
Safety function
DC
PFD T = 1 year (1001)
avg Proof
PFD T = 1 year (1002)
avg Proof
SIL capability
1) including detected "annunciation" failures (λ
Table 12: SA. 1/SAEx .1 type range with AC/ACExC 01.2 actuator controls in 22X/22Y
version, with Safe end position
SA 25.1 – SA 40.1 / SAEx 25.1 – SAEx 40.1
Switchgear version: Contactors
Safety function
λ
S
1)
λ
DD
λ
DU
SFF
DC
PFD T = 1 year (1001)
avg Proof
SIL capability
Safety figures in compliance
with ISO 13849
MTTF [years]
D
DC
calculated
Performance Level
Achieved Performance Level
1) including detected "annunciation" failures (λ
SA .1 with AC 01.2-22X/-22Y/ACExC 01.2-22X/-22Y
Safe ESD with PVST or RM
77.2 %
3
3.79 x 10
-4
3.68 x 10
SIL 2
) (failures in diagnostic function)
AD
Safe end position
0 FIT
0 FIT
426 FIT
0 %
0 %
3
3.58 x 10
SIL 1
268 (high)
0 % (no)
7
4.26 x 10 1/h
CAT1: PL "c" capable
) (failures in diagnostic function)
AD
Multi-turn actuators
Safe STOP OPEN or Safe
STOP CLOSE
30.9 %
3
3.3 x 10
-4
3.43 x 10
SIL 2
Safe end position with PVST
or RM
0 FIT
240 FIT
186 FIT
56.3 %
56.3 %
3
1.75 x 10
SIL 1
268 (high)
56.3 % (no)
7
1.86 x 10 1/h
CAT1: PL "c" capable