Siemens SINAMICS DCM Manual page 233

Additional system components
7.4 Terminal Module TM31
7.4.3.7 X524 electronic power supply
Table 7- 32 Terminals for the electronic power supply
Terminal
+
+
M
M
Note
The two "+" or "M" terminals are jumpered in the connector. This ensures that the supply
voltage is looped through.
The current consumption increases by the value for the DRIVE-CLiQ node and digital
outputs.
7.4.3.8 X540 auxiliary voltage for the digital inputs
Table 7- 33 Screw terminal X540
Terminal
8
7
6
5
4
3
2
1
Note
This power supply is only used for powering the digital inputs.
234
Designation
Electronic power supply
Electronic power supply
Electronics ground
Electronics ground
Designation
+24 V
+24 V
+24 V
+24 V
+24 V
+24 V
+24 V
+24 V
ac.maher.co.ir
Technical specifications
Voltage: 24 VDC (20.4 – 28.8 V)
Power consumption: Max. 0.5 A
Max. current via jumper in connector:
20 A at 55° C
Technical specifications
Voltage: +24 VDC
Max. total load current of +24 V auxiliary voltage for
terminals X540 and X541 combined: 150 mA
Operating Instructions, 02.2015, A5E34763375/RS-AA/001
SINAMICS DCM DC Converter