Connections Of The Drive Control Unit (Rdcu) In Frame Sizes R7 And R8; Operation - ABB ACS800-04 Hardware Manual

Connections of the Drive Control Unit (RDCU) in frame sizes R7 and R8

ACS800-04
drive module
AINT
APOW
Control panel mounting platform
kit (RPMP-11, optional)
Control panel
CDP312R (optional)

Operation

This table describes the operation of the main circuit in short.
Component
six-pulse rectifier
capacitor bank
six-pulse IGBT inverter
Protective tube
3 m (118 in.)
Shield
2100 mm (83 in.)
Shielded 6-pin
modular connector
3 m ( in.)
118
External control connections
to RMIO board
Description
converts the three-phase AC voltage to DC voltage
energy storage which stabilizes the intermediate circuit DC voltage
converts the DC voltage to AC voltage and vice versa. The motor
operation is controlled by switching the IGBTs.
To RMIO
The ACS800-04/U4 and ACS800-04M
29
Drive control unit
RDCU which
contains motor
control and I/O
board RMIO