Vacon NXA series - Active Front End Unit Block Diagram

Active Front End (AFE) vacon • 23
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
4
4.2 Active Front End Unit block diagram
Figure 7. NXA block diagram
B+
B-
U/T1
V/T2
W/T3
RS-232
11170.emf
Power Module
Control Module Keypad
Control
Driver
Measure-
ments
Power
supply
Fan
ASIC
IGBT
bridge
I/O
slot E
I/O
slot D
I/O
slot C
I/O
slot A
I/O
slot B