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Connecting the DC and resistor cables
WARNING!
Never connect the output terminals of the brake chopper together. It short-circuits
the chopper and will damage it.
■
Connection diagram
Brake chopper module and resistor in the same
cubicle
Brake chopper module and resistors in separate
cubicles
UDC+
UDC-
R+
R-
R+
R-
+
-
DC link
NBRW-669
Resistor assembly
*
*
+
-
UDC+
UDC-
R+
R-
R+
R-
DC link
NBRW-669
Resistor assembly
*
*
* The chopper and resistor housings can be grounded to the frame through the mounting screws if the galvanic
connection to PE (protective earth) is good enough.
46 Electrical installation
Содержание ACS880-604LC
Страница 1: ... ABB INDUSTRIAL DRIVES ACS880 604LC 1 phase brake units as modules Hardware manual ...
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Страница 33: ...Overview of kits Mechanical installation 33 10 ...
Страница 34: ...Stage 1 Installation of common parts 34 Mechanical installation ...
Страница 35: ...Stage 2 Installation of mounting plate Mechanical installation 35 10 ...
Страница 36: ...Stage 3 Installation of cooling components 36 Mechanical installation ...
Страница 37: ...Stage 4 Installation of brake module and attenuator Mechanical installation 37 10 ...
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Страница 84: ...Brake chopper module NBRW 669 84 Dimension drawings ...
Страница 85: ...Attenuator Dimension drawings 85 ...
Страница 86: ...Brake resistor 234 300 1320 Ø 7 345 R R 1270 86 Dimension drawings ...
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