ABB ACS880-14, Hardware Manual

Page: 123 / 248

Default I/O diagram of the drive control unit (ZCU-1x)
Description Term Connection
XPOW External power input
24 V DC, 2 A min. (without optional modules)
+24VI
1
2
GND
J1, J2, XAI Reference voltage and analog inputs
10 V DC, R
L
1…10 kohm +VREF
+VREF
-VREF
AGND
AI1+
AI1-
AI2+
AI2-
1
2
3
4
5
6
7
AI2:I
AI2:U
AI1:I
AI1:U
-10 V DC, R
L
1…10 kohm -VREF
Ground AGND
Speed reference
0(2)…10 V, R
in
> 200 kohm
1)
selected by switch AI1.
AI1+
AI1-
By default not in use.
0(4)…20 mA, R
in
= 100 ohm
2)
AI2+
AI2-
AI1/AI2 current/voltage selection
AI1: I
AI1: U
XAO Analog outputs
Motor speed rpm AO1
AO1
AGND
AO2
AGND
1
2
3
4
0…20 mA, R
L
< 500 ohm
AGND
Motor current
0…20 mA, R
L
< 500 ohm
AO2
AGND
XD2D Drive-to-drive link
Master/follower, drive-to-drive or embedded fieldbus
connection
3)
B
1
2
3
B
A
BGND
4
Shield
A
BGND
Shield
Drive-to-drive link termination
3)
J3
XRO1, XRO2, XRO3 Relay outputs
Ready run NC
1
2
3
1
2
3
1
2
3
+24VD
DIOGND
NC
COM
NO
NC
COM
NO
NC
COM
NO
Fault
250 V AC / 30 V DC
2 A
COM
NO
Running
250 V AC / 30 V DC
2 A
NC
COM
NO
Fault (-1)
250 V AC / 30 V DC
2 A
NC
COM
NO
External control unit 123