SIGMATEK SCP 111 - Safety-Relevant Parameters

SCP 111 S-DIAS SAFETY CPU MODULE
Page 12 04.11.2020
2.3 Safety-Relevant Parameters
2.3.1 Mounting Position Horizontal 0-55 °C Ambient Temperature
CPU Module
Safety Parameters
Safety Levels
SCP 011
PFH
D
= 1,4E-10 (1/h)
MTTF
D
= 2689 years
DC = 99 %
SFF = 99 %
SIL 3
according to EN/IEC 62061
PL e / Cat. 4
according to EN ISO 13849-1/-2
Structure: Two-channel redundant (diverse)
2.3.2 Mounting Position Horizontal 55-60 °C Ambient Temperature
CPU Module
Safety Parameters
Safety Levels
SCP 011
PFH
D
= 1,7E-10 (1/h)
MTTF
D
= 2243 years
DC = 99 %
SFF = 99 %
SIL 3
according to EN/IEC 62061
PL e / Cat. 4
according to EN ISO 13849-1/-2
Structure: Two-channel redundant (diverse)