Siemens sinamics dcp - Page 97

Electrical connection
5.6 Additional system components
SINAMICS DCP
Operating Instructions, 09/2019, A5E34382853K
95
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.
X540 auxiliary voltage for the digital inputs
Table 5- 29 Screw terminal X540
Connector
Terminal
Designation
Technical specifications
8
+24 V
Voltage: +24 VDC
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
deacti
vated for this time.