Installation manual
HB-37420-810-01-25F-EN PSC1-C-100 Installation manual - V2.2.docx Page 164 of 201
Version: 25F
10 Technical specifications
10.1 Ambient conditions
Degree of protection
IP 20
Ambient temperature
Climatic class
Service life
20 years in 50 °C environment
10.2 Safety-related characteristic data
Max. achievable safety class
• SIL 3 as per IEC 61508
• Category 4 as per EN945-1
• Performance Level e as per EN ISO
System structure 2-channel with diagnostics (1oo2) according to
IEC 61508
Architecture category 4 according to EN ISO
Design of the operating mode
"High demand" as per IEC 61508
Probability of a dangerous failure per
hour (PFH value)
Specific values as per tables "Safety-
related characteristic data"
PSC1-E-21-SDM1
PSC1-E-22-SDM1-2
(1 axis)
See section 3.7.2
PSC1-E-23-SDM2
PSC1-E-24-SDM2-2
See section 3.7.2
Proof test interval (IEC 61508)
20 years, after that the module must be replaced