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Connection procedure
1.
If the DC link and the brake unit are located in separate cabinets, ground the DC cable
360 degrees at the cabinet entries.
2.
At the brake chopper end, connect the twisted shields (protective earth conductor) of
the DC and resistor cables and the third conductors to the grounding terminals.
3.
Connect the conductors to the UDC+ and UDC- terminals of the brake chopper as
shown below.
4.
Connect the conductors to the R+ and R- terminals of the brake chopper as shown
below.
35 N·m
6 N·m
UDC-
UDC+ R+
R-
3
3
4
4
2
2
2
2
(26 lbf·ft)
(4.4 lbf·ft)
5.
Connect the brake resistors in parallel as shown below. See the
for the cable shield grounding.
Note:
The cable between the chopper and the first resistor must be able to carry the entire
braking power. Provide adequate support for the cables below the chopper and resistor
units.
Electrical installation 47
11
Summary of Contents for ACS880-604LC
Page 1: ... ABB INDUSTRIAL DRIVES ACS880 604LC 1 phase brake units as modules Hardware manual ...
Page 2: ......
Page 4: ......
Page 12: ...12 ...
Page 20: ...20 ...
Page 33: ...Overview of kits Mechanical installation 33 10 ...
Page 34: ...Stage 1 Installation of common parts 34 Mechanical installation ...
Page 35: ...Stage 2 Installation of mounting plate Mechanical installation 35 10 ...
Page 36: ...Stage 3 Installation of cooling components 36 Mechanical installation ...
Page 37: ...Stage 4 Installation of brake module and attenuator Mechanical installation 37 10 ...
Page 40: ...40 ...
Page 58: ...58 ...
Page 64: ...64 ...
Page 82: ...82 ...
Page 84: ...Brake chopper module NBRW 669 84 Dimension drawings ...
Page 85: ...Attenuator Dimension drawings 85 ...
Page 86: ...Brake resistor 234 300 1320 Ø 7 345 R R 1270 86 Dimension drawings ...
Page 88: ...88 ...
Page 102: ......