Main Circuit And Control Interfaces; Diagram; Operation - ABB ACS800-04 Hardware Manual

Main circuit and control interfaces

Diagram


This diagram shows the control interfaces and the main circuit of the drive.
External control
via
analogue/digital
inputs and
Input power

Operation


This table describes the operation of the main circuit in brief.
Component
Six-pulse rectifier
Capacitor bank
Six-pulse IGBT
inverter
Operation principle and hardware description 29
Motor
control
and I/O
board
(RMIO)
R- UDC+ UDC-
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.
Optional module 1: RMBA, RAIO, RDIO,
RDNA, RLON, RIBA, RPBA, RCAN, RCNA,
RMBP, RETA, RRIA or RTAC
Optional module 2: RTAC, RAIO, RRIA
or RDIO
DDCS communication option module:
RDCO-01, RDCO-02 or RDCO-03
Brake chopper (optional)
R+
Output power