Encoder system connection   
10.2 Sensor Module Cabinet-Mounted SMC30 
  SINAMICS S120 Combi 
248  Manual, 11/2017, 6SL3097-4AV00-0BP7 
 
Figure 10-11  Signal characteristic of track A and track B between two edges: Time between two edges 
with pulse encoders 
 
Figure 10-12  Position of the zero pulse to the track signals