ABB ACQ80-04 Series User Manual

2. The drive is installed according to the instructions given in this manual.
3. For the maximum motor cable length with 4 kHz switching frequency, see section
Maximum recommended motor cable length (page 125).
WARNING!
A drive of category C3 is not intended to be used on a low-voltage public network
which supplies domestic premises. Radio frequency interference is expected if
the drive is used on such a network.
￭ Category C4
If the provisions under Category C3 cannot be met, the requirements of the standard can
be met as follows:
1. It is ensured that no excessive emission is propagated to neighboring low-voltage
networks. In some cases, the inherent suppression in transformers and cables is
sufficient. If in doubt, the supply transformer with static screening between the primary
and secondary windings can be used.
Low voltage
Equipment
Low voltage
Equipment
Equipment
(victim)
Supply transformer
Medium voltage network
Static screen
Point of measurement
Drive
Neighbouring network
2. An EMC plan for preventing disturbances is drawn up for the installation. A template is
available from the local representative.
3. The motor and control cables are selected as specified in this manual.
4. The drive is installed according to the instructions given in this manual.
WARNING!
A drive of category C4 is not intended to be used on a low-voltage public network
which supplies domestic premises. Radio frequency interference is expected if
the drive is used on such a network.
136 Technical data

ABB ACQ80-04 Series Specifications

General

Brand	ABB
Model	ACQ80-04 Series
Category	Controller
Language	English