
2.5.4.1
Power supply
The processor modules PM50x2 can be connected to the 24 V DC supply voltage via a remov-
able 3-pin spring terminal block or a 3-pin screw terminal block.
Table 187: Removable terminal block for the supply voltage 24 V DC
3-pin spring terminal block
3-pin screw terminal block
The terminal block is available as a set for AC500-eCo V3 processor modules.
Basic CPU (PM5012)
Standard CPUs (PM5032, PM5052) and
Pro CPUs (PM5072)
Spring type
Screw type
Spring type
Screw type
TA5211-TSPF-B
TA5211-TSCL-B
TA5212-TSPF
TA5212-TSCL
Further information on the terminal blocks concerning power supply and onboard inputs/outputs
are provided under pluggable connectors for screw and spring connection
“TA52xx(-x) - Terminal block sets” on page 952
.
Pin Assignment Pin
Label
Function
Description
Terminal block
inserted
1
FE
Functional earth
2
L+
+24 V DC
Positive pin of the
power supply voltage
3
M
0 V
Negative pin of the
power supply voltage
CAUTION!
Risk of damaging the AC500-eCo V3 processor module and the connected
modules!
Voltages > 30 V DC might damage the processor module and the connected
modules.
Make sure that the supply voltage never exceeds 30 V DC.
Pin assignment
Faulty wiring on
power supply
terminals
System assembly, construction and connection
AC500-eCo > Connection and wiring
2022/01/31
3ADR010278, 3, en_US
944