ABB ACS880-07 Hardware Manual page 127

Ground isolation diagram
XPOW
+24VI 1
GND 2
XAI
+VREF 1
-VREF 2
AGND 3
AI1+ 4
Common mode voltage between
AI1- 5
channels +30 V
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
+24VD 2
DICOM 3
+24VD 4
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
Control unit of frames R6 to R9 127
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 50 V).
Ground