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UCU-22…24 ground isolation diagram
XPOW
XAI
XAO
XD2D
X485
XCAN
XETH1
XETH2
XETH3
XETH4
XPAN
XRO1-XRO4
NC1 11
COM1 12
NO1 13
…
NC4 41
COM4 42
NO4 43
XD24
+24VD 5
DICOM 6
+24VD 7
DIOGND 8
XDIO
DIO1 1
DIO2 2
DIOGND 3
DIOGND 4
XDI
DI1 1
DI2 2
DI3 3
DI4 4
DI5 5
DI6 6
DIIL 7
XSTO
XSTO OUT
*
**
*The maximum common mode voltage between each AI input and AGND is ±30 V
**Ground selector (DICOM=DIOGND) settings
DICOM=DIOGND: ON
All digital inputs share a common ground (DICOM connected to DIOGND). This is the default setting.
DICOM=DIOGND: OFF
Ground of digital inputs DI1…DI5 and DIIL (DICOM) is isolated from DIO signal ground (DIOGND). Isolation
voltage 50 V.
Control units of the drive 169
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