Action
Test
Use a multimeter and insulating gloves.
Measure the input voltage to
the robot signal exchange
proxy.
Tip
For more details, see
Circuit
diagram - OmniCore V250XT
.
3
The input voltage should be 24 V.
Make sure that connector X1 is connected properly
on both ends.
•
If the input voltage is normal, proceed with
step
.
•
If the input voltage is abnormal, proceed with
step
.
•
If the connection is OK, troubleshoot the
power unit. See
.
•
If there is a problem with the connection, re-
pair the connection and start over.
Check connection to the
power unit.
4
Use a multimeter and insulating gloves.
Measure the 24 V DC outputs
voltage.
5
The output voltage should be 24 V.
Make sure that connectors X2, X3, X4, X5, X17 and
X19 are connected properly on both ends.
•
If the output voltage is normal, proceed with
step
.
•
If the output voltage is abnormal, proceed with
step
.
The indicator LEDs are labelled AS1, AS2, ES1, ES2.
Check the indicator LEDs
AS1, AS2, ES1, ES2.
6
If the LEDs LED_AS1, AS2, ES1, ES2 are:
•
On (solid green), the robot signal exchange
proxy works well.
•
Off, either the robot signal exchange proxy is
faulty or it does not have sufficient input
voltage. Proceed with step
.
If the customer interface connectors are not properly
connected to X14 and X15, the signals to and from
the robot signal exchange proxy will be interpreted
incorrectly.
•
If the connection is OK, proceed with step
.
•
If there is a problem with the connection, re-
pair the connection and go to step
Check that the customer inter-
face connectors are connec-
ted to X14 and X15.
Tip
For more details, see
Circuit
diagram - OmniCore V250XT
.
7
Use a multimeter and insulating gloves.
Check external safety ac-
cessories.
8
Measure the continuity in the connector. If there is
resistance, troubleshoot the external equipment.
Use a multimeter and insulating gloves.
Measure the AC OK signal.
9
The AC OK should be 0 V.
Make sure that connector X10 is connected properly
on both ends.
•
If the AC OK signal is 24 V, see
Troubleshooting the power unit on page 382
•
If the AC OK signal is 0 V, proceed with step
How to replace the unit is detailed in
robot signal exchange proxy on page 202
The robot signal exchange
proxy may be faulty, replace
it and verify that the fault has
been fixed.
10
Product manual - OmniCore V250XT
409
3HAC073447-001 Revision: B
© Copyright 2020-2022 ABB. All rights reserved.
7 Troubleshooting
7.3.11 Troubleshooting the robot signal exchange proxy
Continued
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