Siemens SINAMICS S120 Equipment Manual page 112

Encoder System Connection
4.5 Sensor Module Cabinet 30 (SMC30)
For TTL sensors with 5 V supply on X521/X531, the cable lengths (for 0.5 mm
sections) depend on the sensor current:
100
90
80
70
60
50
40
30
20
10
0
0 0.05
Figure 4-10 Cable length as a function of the sensor current consumption
4-20
0.1 0.15 0.2
Sensor current consumption [A]
0.25 0.3 0.35
Equipment Manual Control Units and Additional System Components
Equipment Manual, (GH1), 12/2004 Edition, 6SL3097-2AH00-0BP1
cable cross-
2
0.4