Siemens SINAMICS G150 Operating Instructions Manual page 115

NOTICE
The KTY temperature sensor must be connected with the correct polarity.
If the polarity is reversed, the sensor will not be able to detect if the motor overheats.
CAUTION
The permissible back EMF at the outputs is ±15 V.
X540: Joint auxiliary voltage for the digital inputs
Table 4- 27 Terminal block X540
Terminal
8
7
6
5
4
3
2
1
Max. connectable cross-section: 1.5 mm²
Note
This voltage supply is only for powering the digital inputs.
Converter cabinet units
Operating Instructions, 03/2012, A5E03263466A
Designation
P24 24 V DC
Max. total load current of +24 V auxiliary voltage of terminal blocks X540 and
P24
X541 combined: 150 mA
P24
continued short-circuit proof
P24
P24
P24
P24
P24
Technical specifications
Electrical installation
4.10 Signal connections
113