Siemens SINAMICS S120 Manual page 295

Cable can be ordered from the manufacturer of the linear scale
1)
Maximum encoder cable length, see diagram in Chapter "Technical data"
2)
Maximum cable length between SME and motor connection: 10 m
3)
Figure 9-40 Connecting motor encoders via SME for motors without a DRIVE-CLiQ interface and molded connecting cables
with open cable ends
Control Units and additional system components
Equipment Manual, 06/2020, 6SL3097-5AH00-0BP2
Encoder system connection
9.10 Sensor Module External SME120
293