Siemens SINAMICS S120 Manual page 352

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8.10 K50, Sensor Module Cabinet-Mounted SMC30
Figure 8-12
Figure 8-13 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 to cable cross-sections of 0.5 mm²):
352
Signal characteristic of the A and B track between two edges: Time between two edges
with pulse encoders
Cabinet Modules
Manual, (GH5), 05/2010, A5E03263538A