Default I/O Connection Diagram (Bcu) - ABB ACS880-207 Hardware Manual

134 The control unit

Default I/O connection diagram (BCU)

XD2D Drive-to-drive link
1 B
2 A
Drive-to-drive link (not in use by default)
3 BGND
4 Shield
D2D.TERM Drive-to-drive link termination
X485 RS485 connection
5 B
6 A
Not in use (not in use by default)
7 BGND
8 Shield
XRO1...XRO3 Relay outputs
11 NC
12 COM
13 NO
21 NC
22 COM
23 NO
31 NC
32 COM
33 NO
XSTO XSTO connector
1 OUT
2 SGND
3 IN1
4 IN2
5 IN1
6 SGND
Not in use
7 IN2
8 SGND
XDI Digital inputs
1 DI1 Temp fault
2 DI2 Run / enable
3 DI3 MCB fb
4 DI4 Not in use by default. Can be used for eg, auxiliary circuit breaker fault
5 DI5 Not in use by default. Can be used for eg, earth fault monitoring.
6 DI6 Reset
7 DIIL Not in use by default. Can be used for eg, emergency stop.
XDIO Digital input/outputs
1 DIO1 Not in use by default
2 DIO2 Not in use by default
3 DIOGND Digital input/output ground
4 DIOGND Digital input/output ground
XD24 Auxiliary voltage output
5 +24VD +24 V DC 200 mA
6 DICOM Digital input ground
7 +24VD +24 V DC 200 mA
8 DIOGND Digital input/output ground
DICOM=DIOGND Ground selection switch
XAI Analog inputs, reference voltage output
1 +VREF 10 V DC, R
2 -VREF -10 V DC, R
3 AGND Ground
4 AI1+ Not in use by default.
5 AI1-
0(2)...10 V, R
6 AI2+ Not in use by default.
7 AI2-
0(4)...20 mA, R
XAO Analog outputs
1 AO1
Zero
2 AGND
3 AO2
Zero
4 AGND
XPOW External power input
1 +24VI
2 GND
24 V DC, 2.05 A
3 +24VI
4 GND
X12 Safety functions module connection (not in use in supply units)
X13 Control panel connection
X205 Memory unit connection
2)
XRO1: Charging (Energized = Closes charging contactor.)
250 V AC / 30 V DC / 2 A
3)
XRO2: Fault(-1)
(Energized = Indicates no fault.)
250 V AC / 30 V DC / 2 A
2)
XRO3: MCB ctrl
(Energized = Closes main contactor/breaker.)
250 V AC / 30 V DC / 2 A
XSTO connector. Both circuits (power module, control unit) must be closed for
the supply unit to start. (IN1 and IN2 must be connected to OUT.)
3)
(0 = overtemperature)
3)
(1 = run / enable)
2)
(0 = main contactor/breaker open)
3)
(0 -> 1 = fault reset)
5)
5)
6)
1...10 kohm
L
1...10 kohm
L
7)
> 200 kohm
in
8)
= 100 ohm
in
3)
0...20 mA, R < 500 ohm
L
3)
0...20 mA, R < 500 ohm
L
1)
4)