Layout drawing
The components of the brake chopper module are shown below.
1
2
3
2
1
Four fastening points at the back of the unit
2
Four front panel fastening screws
3
Front panel
4
Chopper control board (NBRC) with control terminals (see page 16)
5
Voltage selection jumper (see page 34)
6
PE (protective earth) clamp
7
Grounding clamp
X1
Enable input terminal block (see page 16)
UDC-
UDC+
Power connection terminals
R+
R-
Operation principle and hardware description 15
1
2
6
2
5
4
7