ABB ACS880-604LC, Hardware Manual

Page: 44 / 104

Selecting the voltage
Before wiring the brake unit, select the voltage level as follows:
1. Remove the chopper front panel by undoing the four screws at the top and bottom of
the panel.
2. Set the voltage selection jumper on the chopper control board (see Layout (page 16) )
to the appropriate voltage as shown below.
FIB
E
R
23
0 V 40
0 V
>5
00
V
Drive supply voltage 380…415 V
FIB
E
R
23
0 V 40
0 V
>5
00
V
Drive supply voltage 440…500 V
F
IBER
230 V 400 V
>5
00
V
Drive supply voltage 525…690 V
Note:
In follower choppers, you must set the voltage to FIBER as shown in section Synchronizing
multiple brake choppers below.
WARNING!
An incorrect jumper setting or missing jumper may cause brake chopper malfunction
or damage to the chopper or resistor.
44 Electrical installation