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
7.5.3.8
X540 auxiliary voltage for the digital inputs
Table 7- 39
Connector
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.
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
WARNING
separation.
Screw terminal X540
Terminal
8
7
6
5
4
3
2
1
Designation
+24 V
+24 V
+24 V
+24 V
+24 V
+24 V
+24 V
+24 V
Additional system components
7.5 Terminal Module TM31
Technical specifications
Voltage: +24 V DC
Max. total load current of +24 V auxiliary
voltage for terminals X540 and X541
combined: 150 mA
245