Siemens SINAMICS S110 - Page 205

Supplementary system components and encoder system integration
8.4 Sensor Module Cabinet-Mounted SMC30
SINAMICS S110
Manual, 07/2015, 6SL3097-4AC10-0BP5
205
Maximum encoder cable lengths
Table 8- 22 Maximum encoder cable length
Encoder type
Maximum encoder cable length in m
TTL
1)
100
HTL unipolar
2)
100
HTL bipolar
300
SSI
100
3)
1)
For TTL encoders at X520 → remote sense → 100 m
2)
Because the physical transmission media is more robust, the bipolar connection should always be
used. The unipolar connection should only be used if the encoder type does not output push-pull
signals.
3)
See the diagram "Maximum cable length depending on the SSI baud rate for SSI encoders"
SSI encoder
Figure 8-18 Maximum cable lengths depending on the SSI baud rate for SSI encoders