96 Electrical installation
Connecting the control cables – all frame sizes
For technical data and default I/O connections of the drive control unit, refer to
Control connections to the ZCU control unit (page 86).
1. In the cabinet, remove shrouding wherever necessary to allow access to the
cable entries and any trunking inside the cubicle.
2. Run the control cables into the cubicle. If possible, arrange for a 360° grounding
of the cable shield at the cable entry.
If the outer surface of the shield is non-conductive, turn the shield inside out as
shown below and wrap copper foil around the cable to keep the shielding
continuous. Do not cut the grounding wire (if present).
3. Run the cables to the control unit of the drive (or other connection point) using
cable trunking wherever possible.
4. (Only when running the cable to the drive module) The drive control units have a
clamp plate attached. Remove the outer sheathing of the cable at one of the
clamps on the plate. Tighten the clamp onto the bare cable shield.
5. Cut the cables to suitable length.
Cable shield
Shielded twisted pair
Grounding wire
Copper foil
Stripped cable Conductive surface of
the shield exposed
Stripped part covered
with copper foil
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