Additional system components
7.5 Terminal Module TM31
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
245
WARNING
Electric shock in the event of voltage flashovers at the temperature sensor
Voltage flashovers in the signal electronics can occur in motors without safe electrical
separation of the temperature sensors.
•
Use temperature sensors that comply with the specifications relating to protective
separation.
7.5.3.8
X540 auxiliary voltage for the digital inputs
Table 7- 39 Screw terminal X540
Connector Terminal
Designation
Technical specifications
8
+24 V
Voltage: +24 V DC
Max. total load current of +24 V auxiliary
voltage for terminals X540 and X541
combined: 150 mA
7
+24 V
6
+24 V
5
+24 V
4
+24 V
3
+24 V
2
+24 V
1
+24 V
Note
This power supply is only used for powering the digital inputs.
Note
If the 24 V supply is briefly interrupted, the auxiliary voltage for the digital inputs is
deactivated for this time.
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