Siemens SINAMICS G150 Operating Instructions Manual page 158

Electrical installation
4.10 Other connections
Figure 4-38 Position of the zero pulse to the track signals
For encoders with a 5-V supply at X521/X531, the cable length is dependent on the encoder
current (this applies cable cross-sections of 0.5 mm²):
Figure 4-39
158
Signal cable length as a function of the encoder current consumption
Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A