X524 Electronic Power Supply; X540 Auxiliary Voltage For The Digital Inputs - Siemens SINAMICS DCM Operating Instructions Manual

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 power 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.
SINAMICS DCM DC Converter
Operating Instructions, 1.2012, C98130-A7066-A1-05-7619
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
Additional system components
Technical data
Voltage: 24 VDC (20.4 – 28.8 V)
Power consumption: Max. 0.5 A
Max. current via bridge in connector:
20 A at 55 ℃
Technical data
Voltage: +24 VDC
Max. total load current of +24 V auxiliary voltage for
terminals X540 and X541 combined: 150 mA
7.4 Terminal Module TM31
211