Analog I/O, Dsqc 355 - ABB IRB 6400R Product On-Line Manual

2.9 Analog I/O, DSQC 355

Bus staus LED's
Analog I/O
DSQC 355
Designation
NS/MS
RS232 Rx
RS232 Tx
+5VDC / +12VDC /
-12VDC
Product Manual
X8 X7
S2
S3
X2
X3
X5
ABB flexible Automation
Colour
Green/red
Green
Green
Green
Troubleshooting Tools
Bus status LED's
N.U
RS232 Rx
CAN Rx
+5V
+12V
MS
Description/Remedy
See section 2.14.
Indicates the state of the RS232 Rx line.
LED is active when receiving data.
If no light, check communication line and con-
nections.
Indicates the state of the RS232 Tx line.
LED is active when tranceiving data.
If no light when transmission is expected, check
error messages and check also system boards in
rack.
Indicates that supply voltage is present and at
correct level.
Check that voltage is present on power unit.
Check that power is present in power connector.
If not, check cables and connectors.
If power is applied to unit but unit does not
work, replace the unit.
N.U
RS232 Tx
CAN Tx
-12V
NS
21