ABB ACS880-07 - Default I;O Diagram of the Supply Control Unit (BCU-X2)

Default I/O diagram of the supply control unit (BCU-x2)
The diagram below shows the default I/O connections on the supply control unit (A51),
and describes the use of the connections in the supply unit. Under normal
circumstances, the factory-made wiring should not be changed.
The wire size accepted by all screw terminals (for both stranded and solid wire) is
0.5 … 2.5 mm
2
(22…12 AWG). The tightening torque is 0.45 N·m (4 lbf·in).
DescriptionTerminal
Drive-to-drive linkXD2D
Not in use by default
B1
1
2
3
4
A2
BGND3
Shield4
Drive-to-drive link termination switch
1)
D2D.TERM
ON
OFF
RS485 connectionX485
Not in use by default
B5
5
6
7
8
A6
BGND7
Shield8
Relay outputsXRO1, XRO2, XRO3
XRO1: Running
2)
(Energized = running)
250 V AC / 30 V DC, 2 A
Norm. closedNC11
22
23
31
32
11
12
13
21
33
CommonCOM12
Norm. openNO13
XRO2: Fault (-1)
2)
(Energized = no fault)
250 V AC / 30 V DC, 2 A
Norm. closedNC21
CommonCOM22
Norm. openNO23
XRO3: MCB ctrl
3)
(Energized = closes
main contactor/breaker) 250 V AC /
30 V DC, 2 A
Norm. closedNC31
CommonCOM32
Norm. openNO33
Safe torque off
4)
XSTO, XSTO OUT
XSTO: Factory connection. Both circuits must be closed for the drive to
start (IN1 and IN2 must be connected to OUT).
OUT1
5
6
7
8
1
2
3
4
SGND2
IN13
IN24
XSTO OUT: Not in use.
IN15
SGND6
IN27
SGND8
Digital inputsXDI
146 Control units of the drive