ABB ACS880-01-061A-3+N5350 - Page 43

6-2 Control Wiring 3AXD50000011888
Figure 6-1 Ground Isolation Diagram
Ground isolation diagram
XPOW
+24VDC
GND 2
XAI
+VREF 1
-VREF 2
AGND 3
AI1+ 4
AI1- 5
AI2+ 6
AI2- 7
XAO
AO1 1
AGND 2
AO2 3
AGND 4
XD2D
B 1
A 2
BGND 3
XRO1, XRO2, XRO3
NC 1
COM 2
NO 3
NC 1
COM 2
NO 3
NC 1
COM 2
NO 3
XD24
DIIL 1
+24VDC
DICOM 3
+24VDC
DIOGND 5
XDIO
DIO1 1
DIO2 2
XDI
DI1 1
DI2 2
DI3 3
DI4 4
DI5 5
DI6 6
XSTO
OUT1 1
SGND 2
IN1 3
IN2 4
J6
Ground
Common mode voltage between
channels +
30 V
Switch J6 settings:
All digital inputs and
outputs share a
common ground.
Ground of digital
inputs DI1…DI5 and
DIIL (DICOM) is
separated from the DIO
signal ground (DIOGND)
(insulation voltage 50V).
Inputs are “active low”
when 24VDC connected
to DICOM.