ABB ACS880-04FXT, Руководство по оборудованию

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1. Stop the drive and do the steps in section Electrical safety precautions (page 15) before
you start the work.
2. Make sure that the resistor cable is connected to the resistor and disconnected from
the drive output terminals.
3. At the drive end, connect the R+ and R- conductors of the resistor cable together.
Measure the insulation resistance between the conductors and the PE conductor with
a measuring voltage of 1000 V DC. The insulation resistance must be more than 1 Mohm.
R-
R+
ohm
PE
1 kV DC,
> 1 Mohm
Compatibility with IT (ungrounded), corner-grounded delta,
midpoint-grounded delta and TT systems
The standard drive with no EMC filter connected can be installed to a symmetrically grounded
TN-S system. If you install the drive to another system, you may need to disconnect the
EMC filter and ground-to-phase varistors. See
ACS880 frames R1 to R11 EMC filter and
ground-to-phase varistor disconnecting instructions (3AUA0000125152 [English]).
WARNING!
Do not install the drive with EMC filter E200 to a system that the filter is
not suitable for. This can cause danger, or damage the drive.
WARNING!
Do not install the drive with ground-to-phase varistor connected to a system that
the varistor is not suitable for. If you do, the varistor circuit can be damaged.
Grounding the drive module
Ground the drive module from its top back grounding hole to the cabinet frame or from the
module PE terminal to the cabinet PE busbar.
Electrical installation 85
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