Siemens SINAMICS DCM Operating Instructions Manual page 192

Additional system components
7.2 Sensor Module Cabinet-Mounted SMC30
For encoders with a 5 V supply at X521/X531, the cable lengths depend on the encoder
current (for 0.5 mm
Figure 7-9
For encoders without Remote Sense the permissible cable length is restricted to 100 m
(reason: The voltage drop depends on the cable length and the encoder current).
Figure 7-10
190
cable cross-sections):
2
Max. cable length as a function of the encoder current drawn
Signal characteristic of track A and track B between two edges: Time between two edges
with incremental encoders
Operating Instructions, 1.2012, C98130-A7066-A1-05-7619
SINAMICS DCM DC Converter