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64 Electrical installation
Connecting the control cables
The control interface of the supply unit is mainly reserved for internal use. It is possible
that there is no, or only a few user-specific control connections. See the delivery-specific
circuit diagrams. See the control unit chapter for the default I/O connections of the
supply unit.
General instructions on connecting the control cables to the drive
￭
See the chapter on control units for the default I/O connections. Note that the default
I/O connections can be affected by some options. See the circuit diagrams delivered
with the drive for the actual wiring.
Control cable connection procedure
WARNING!
Obey the safety instructions given in
cabinets and modules safety instructions (3AXD50000048633
If you ignore the safety instructions, injury or death, or damage to the
equipment can occur.
If you are not a qualified electrical professional, do not do installation
or maintenance work.
1.
Stop the drive (if running) and do the steps in section
precautions (page 43)
2.
Run the control cables into the cabinet as described in section
outer shields of the control cables 360° at the cabinet entry
3.
Route the control cables as described in section
the
cabinet.
4.
Connect the control cables as described in section
Grounding the outer shields of the control cables 360° at the cabinet entry
Ground the outer shields of all control cables 360° with the EMI conductive cushions
at the cabinet entry. The grounding principle is the same for top and bottom entry
cables. The illustrations show the bottom entry. The actual design details can vary.
1.
If necessary, remove the shrouding in front of the cable entry.
2.
Put the cables in sequence from the smallest to the largest. This will help to achieve
a good contact with the cushions.
3.
Loosen the tightening bolts of the EMI conductive cushions and pull them apart.
4.
Cut holes in the grommets and put the cables through the grommets.
5.
Peel the insulation from the part of the cable that will be in contact with the EMI
conductive cushion.
6.
Put the cables between the cushions and attach them with cable ties for strain
relief.
7.
Move the cushions back together.
8.
Tighten the bolts to make sure that the EMI conductive cushions press tightly
around the peeled part of the cables.
before you start the work.
ACS880 liquid-cooled multidrive
Electrical safety
Grounding the
below.
Routing the control cables inside
Connecting control
[English]).
cabling.
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