Datasheet
PSR-PS21
106253_en_00 PHOENIX CONTACT 5
UL, USA / Canada ( E360692 ) Class I, Zone 2, AEx nA nC IIC T4 / Ex nA nC IIC Gc T4 X
Shipbuilding GL applied for
Functional Safety in accordance with IEC 61508 to SIL 2
Conformance / approvals
Safety data
Stop category according to IEC 60204 0
Safety parameters for IEC 61508 - High demand
Equipment type Type A
HFT 0
SIL 2 (<15%of the overall SIL)
PFH
d
8.8x10
-9
(4ADC13; 5AAC15; 8760switching cycles/year)
Demand rate < 12 Months
Proof test interval 240 Months
Duration of use 240 Months
For use in high-demand applications, the diagnostics function must be implemented via the confirmation current path.
Alternative illustration of the device as 1001 structure for process customers
Equipment type Type A
HFT 0
SIL 2 (<15%of the overall SIL)
Safe Failure Fraction (SFF) 99.18 %
SD 494.66 FIT
SU 79.10 FIT
DD 494.66 FIT
DU 8.80 FIT
Total 1077.22 FIT
MTBF 91.65 Years
PFH 8.8x10
-9
(4ADC13; 5AAC15; 8760switching cycles/year)
Safety parameters for IEC 61508 - Low demand
Equipment type Type A
HFT 0
SIL 2 (<15%of the overall SIL)
PFD
avg
1.34 x 10
-3
Proof test interval 20 Months
Duration of use 240 Months
Alternative illustration of the device as 1001 structure for process customers
Equipment type Type A
HFT 0
SIL 2 (<15%of the overall SIL)
Safe Failure Fraction (SFF) 81.2 %
SD 0 FIT
SU 794.1 FIT
DD 0 FIT
DU 183.8 FIT
Total 977.9 FIT
MTBF 99 Years
PFD
avg
8.06 x 10
-4
(For T1 = 1 year)