Rated Voltage; Technical Specifications Of The Compact Field Unit Pa - Siemens Simatic CFU Commissioning Manual

Technical specifications

12.2 Technical specifications of the Compact Field Unit PA

12.1.6

Rated voltage

Nominal voltage for operation
The Compact Field Unit operates with the nominal voltage that is shown in the following table.
● Observe the tolerance range of the nominal voltage.
● When selecting the nominal voltage take into account the permissible supply voltage of the
respective module.
Table 12-10 Nominal voltage for operation
Nominal voltage
24 VDC
Static value: Generation as a functional extra low voltage with safe electrical isolation to
1
IEC 60364-4-41
Dynamic value: Including ripple, e.g. three-phase current bridge rectification
2
12.2 Technical specifications of the Compact Field Unit PA
Note
Mechanical and climatic ambient conditions for operation
Observe section "Mechanical and climatic ambient conditions for operation (Page 134)".
138
Tolerance range
19.2 to 28.8 VDC
1
18.5 to 30.2 VDC
2
Commissioning Manual, 07/2018, A5E39252870-AC
SIMATIC CFU