Technical specifications
7.1 Technical specifications
Analog input module F-AI 4xI 0(4)..20mA 2-/4-wire HF (6ES7136-6AA00-0CA1)
Manual, 08/2018, A5E41448857-AB
67
Potential separation channels
• between the channels
No
• between the channels and backplane bus
Yes
• between the channels and the power supply of
the electronics
Yes
Permissible potential difference
Standards, approvals, certificates
Highest safety class achievable in safety mode
• Performance level according to ISO 13849-1
PLe
• Category according to ISO 13849-1
Cat. 4
• SIL acc. to IEC 61508
SIL 3
Probability of failure (for service life of 20 years and
repair time of 100 hours)
– Low demand mode: PFDavg in accordance
with SIL3
< 5.00E-05
– High demand/continuous mode: PFH in ac-
cordance with SIL3
< 1.00E-09 1/h
Ambient temperature during operation
• horizontal installation, min.
0 °C
• horizontal installation, max.
60 °C
• vertical installation, min.
0 °C
• vertical installation, max.
50 °C
Operational limit in complete temperature range
When designing the safety function, you must take into account the information
"Operational limit in complete temperature range" for the entire mission time.