Delta ASDA-A3 Series User Manual page 787

Troubleshooting
AL235 Position counter overflow warning
Checking method
and corrective action
13
How to clear the
alarm?
AL237 Indexing coordinate is undefined
Trigger condition
and cause
Checking method
and corrective action
How to clear the
alarm?
AL249 PR number exceeds the range
Trigger condition
and cause
Checking method
and corrective action
How to clear the
alarm?
AL283 Software positive limit
Trigger condition
and cause
Checking method
and corrective action
How to clear the
alarm?
13-42
When AL060 and AL062 occur, use the scope to check if the feedback
5.
position has overflowed. And check whether the above situations have
occurred, then establish the absolute origin coordinates.
Incremental system: perform homing procedure.
Absolute system: establish the absolute origin coordinates.
Condition: the starting point of the indexing coordinate is not defined before
operating the indexing function and executing the indexing positioning command.
Cause: the servo drive cannot identify this coordinate system.
Check if the indexing coordinate has been defined:
Perform the homing procedure before using the indexing function.
1.
After this alarm occurs, use DI.ARST or set P0.001 to 0 to clear the alarm.
2.
This alarm is also cleared when you power on the servo.
3.
DI.ARST or set P0.001 to 0.
Condition: the triggered PR path number exceeds the upper limit.
Condition: the triggered PR path number exceeds 99.
Check if the PR command jumps to a path exceeding the range.
1.
Check if the PR command format is correct.
2.
DI.ARST or cycle power on the servo drive.
Condition: the target position specified by the command exceeds the software
positive limit.
Cause: the software positive limit is triggered.
The software positive limit is determined by the Position command instead of the
actual feedback position because the command is sent before the feedback is
received. That is, the actual position may not have exceeded the limit when this limit
protection is enabled. Set the appropriate deceleration time to achieve the desired
effect. For more information, refer to the descriptions of P5.003.
The alarm is automatically cleared after moving away from the limit.
ASDA-A3