Shanghai STEP Electric Corporation
Chapter 4 The Wiring Of Elevator integrated Drive Controller
4.7.5 Precaution for PG card terminal wiring
Encoder signal cable must be separated from main
circuit and other power lines. Never running those two cables in parallel in short distance.
Shielded cable should be used for encoder, and shielded layer needs to be grounded to the
grounding PE of the outer case.