Ground Isolation Diagram - ABB ACS880-07C Hardware Manual

104 Control unit of frames R10 and R11

Ground isolation diagram

XPOW
+24VI 1
GND 2
XAI
+VREF 1
-VREF 2
AGND 3
AI1+ 4
Common mode voltage between
AI1- 5
AI2+ 6 channels +30 V
AI2- 7
XAO
AO1 1
AGND 2
AO2 3
AGND 4
XD2D
B 1
A 2
BGND 3
XRO1, XRO2, XRO3
NC 11
COM 12
NO 13
NC 21
COM 22
NO 23
NC 31
COM 32
NO 33
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
GND 2
IN1 3
IN2 4
*Ground selector (J6) settings
(ZCU-14)
All digital inputs share a common ground (DICOM connected to DIOGND). This is the default setting.
(ZCU-14)
Ground of digital inputs DI1...DI5 and DIIL (DICOM) is isolated from DIO signal ground (DIOGND).
Isolation voltage 50 V.
*
Ground