Siemens SINAMICS G130 Operating Instructions Manual page 115

Figure 4-27 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 4-28
Inverter chassis units
Operating Instructions, 07/2016, A5E00331449A
Signal cable length as a function of the encoder current consumption
Electrical installation
4.10 Signal connections
115