SIGMATEK SDM 081, Operating Manual

Page: 13 / 37

S-DIAS SAFETY DIGITAL MIXED MODULE SDM 081
07.02.2022 Page 11
2.3.2 Mounting Position Horizontal 0-60 °C Ambient Temperature
Mixed Module Safety Parameters Safety Levels
SDM 081 including SCP
011/SCP 111 CPU Module
Inputs 1-channel application:
PFH
D
= 2.1E-09 (1/h)
MTTF
D
= 1552 years
DC = 97 %
SFF = 99 %
2-channel application:
PFH
D
= 7.6E-10 (1/h)
MTTF
D
= 1753 Jahre
DC = 97 %
SFF = 99 %
1-channel application:
PL d
(1)
/ Cat. 2
SIL 3
2-channel application:
PL e / Cat. 4
SIL 3
Outputs PFH
D
= 1.9E-09 (1/h)
MTTF
D
= 1680 years
DC = 98 %
SFF = 99 %
PL e / Cat. 4
SIL 3