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Connecting the control cables
￭
Default I/O connection diagram
See
Control units of the
￭
Connection procedure
Note:
The instructions below are based on an example cabinet construction. They are not applicable
to all possible solutions but only clarify the principles.
The following procedure instructs how to connect the control cables of a DC/DC converter
unit. In the example, the power cables are routed to the cabinet through the bottom.
WARNING!
Obey the safety instructions given in Safety instructions for ACS880
liquid-cooled multidrive cabinets and modules (3AXD50000048633
[English]). If you ignore the safety instructions, injury or death, or damage
to the equipment can occur.
If you are not a qualified electrician, do not do installation or maintenance
work.
1. Open the cubicle door.
2. Remove the shrouds (if any) from the cubicle.
3. Run the cables into the cabinet. If possible, arrange for a 360° grounding of the cable
shield at the cable entry through.
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).
Stripped cable
Cable shield
4. Run the cables to the appropriate terminals. Wherever possible:
•
Use the existing cable trunking in the cabinet.
•
Use sleeving wherever the cables are laid against sharp edges.
•
Tie the cables to provide strain relief.
5. Cut the cables to suitable length.
drive.
Conductive surface of the
shield exposed
Electrical installation 69
Stripped part covered
with copper foil
Copper foil
Shielded twisted pair
Grounding wire
11
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