Vacon NXI - Page 48

48 • vacon cabling and connections
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Connect the cables:

Remove the screws
of the cable protection plate. Do not open the
cover of the power unit!
 Make holes into and
pass the cables through
the rubber
grommets on the bottom of the power unit. The rubber grommets
are delivered in a separate bag.

Connect the DC supply, motor and control cables
into their
respective terminals.
 For Information on
cable installation according to UL
regulations,
see Chapter 6.1.3.

Cable installation according to EMC regulations
:
The output cables to the motor must be 360
o EMC earthed. The
EMC grounding clamps can, for instance, be installed on the
mounting plate. The EMC grounding clamps must be suited to the
output cable diameter to give a 360
o contact with the cables.

Make sure
that the control cable wires do not come in contact with
the electronic components of the unit.

Check the connection of the earth cable
to the motor and the
inverter terminals marked with
.
 Connect
the separate shield of the power cable
to the earth
terminals of the inverter, motor and the supply centre.
 Attach the cable protection plate with the screws.

Ensure
that the control cables or the cables of the unit are
not
trapped
between the frame and the protection plate.