Control Block Diagram - ABB ACS580MV Hardware Manual

30 Control system and interfaces

Control block diagram


Sync to main s 1 (0) / Sync to main s 2 (1)
Motor 1 selection
Motor 1 direct online
Motor 2 selection
Motor 2 direct online
MSS1 CLOSE Comman d
/MSS1 OPEN Comman d
MSS2 CLOSE Comman d
/MSS2 OPEN Comman d
MB1 CLOSE Comman d
MB1 OPEN Comman d
MB2 CLOSE Comman d
MB2 OPEN Comman d
MSS1 Feedback Status CLOSED
MSS2 Feedback Status CLOSED
MB1 Feedback Status CLOSED
MB2 Feedback Status CLOSED
Control system block diagram
SBU PLC will be used if the number of motors is more than one. It is located in MAU and
comprises six I/O devices. The number of PLC I/O modules depends on the number of
motors to be synchronized.
Customer interface and wiring connection between SBU PLC and ACS580MV for two
motors' synchronized bypass are listed as below.
SBU PLC
DI
DI
DI
DI
DI
Motor
DOL
selection
control
DO
clos e
open
DO
DI
DO clos e
open
DO
clos e
DO
DI
DO open
DO clos e
open
DO
DI
DO
DI
DI
DO
DI
ACS580MV
DO
MSS CLOSE Comman d
DO
MB CLOSE Comman d
DI
MSS Feedback Status CLOSED
DI
MB Feedback Status CLOSED
Rest
DI
DI External ON Reques t
Stop(0) / Start(1)
DI
Sync to mains
DI
Sync to VSD
DI
User set in1
DI
Ready
DO
Ru nning
DO
Faulted(‐1)
DO
Speed reference
AI