System overview
4.9 Power supply
Automation system
98 System Manual, 01/2023, A5E03461182-AK
System power supply modules
System power supplies supply the internal electronics of the S7-1500 modules with power via
the backplane bus. The table below shows the available system power supply modules:
Short designation PS 25 W 24 V DC PS 60 W 24/48/60 V DC PS 60 W
PS 60 W 120/230 V AC/D
Rated input volt-
age
24 V DC 24 VDC, 48 VDC, 60 VDC 24 VDC, 48 VDC,
60 VDC
120 V AC, 230 V AC
from the back-
for data backup in
tive
Load power supply modules
The load power supply modules with automatic range selection of the input voltage are
optimally adapted in design and functionality to the SIMATIC S7-1500 controller. The table
below shows the available load power supply modules:
120/230 V AC,
with automatic switchover
120/230 V AC
with automatic switchover