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Electrical installation
Contents of this chapter
This chapter contains instructions on wiring the brake chopper unit.
Safety
Obey the safety instructions for the drive. See Safety instructions for ACS880 multidrive
cabinets and modules (3AUA0000102301 [English].
WARNING! If you ignore these instructions, physical injury or death, or damage
to the equipment can occur.
•
If you are not a qualified electrician, do not do electrical installation work.
•
Make sure that the drive is disconnected from the power line. Wait for 5 minutes to
let the drive DC capacitors discharge. Ensure by measuring with a multimeter
(impedance at least 1 Mohm) that there is no voltage present.
•
Note: The DC link, resistor and enable input terminals (UDC+, UDC-, R+, R-, X1
and X2) carry a dangerous voltage.
Electrical installation 33
5
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