Delta ASD-A2 Series User Manual page 582

Chapter 10 Troubleshooting
AL061：Encoder under voltage
Causes
Battery under voltage
AL062：The multi-turn of absolute encoder overflows
Causes
The operation distance
exceeds the range the
absolute encoder is able
to record
AL067： Encoder temperature warning
Causes
Encoder temperature
exceeds the warning
level. (But it is still within
the protective range85
~100℃.)
AL068：Absolute data transmitted via I/O is in error
Causes
Sequence error
Reading time out
Revision February, 2017
Checking Method
1. Check if the voltage of the
battery on the panel is lower
than 3.1 V (tentative
specification).
2. Measure if the voltage of the
battery is lower than 3.1 V
(tentative specification).
Checking Method
Check if the operation distance
exceeds the range, -32768 ~
+32767, the absolute encoder is
able to record.
Checking Method
Check the setting: Set the value of
P0-02 to 120 to display the
temperature.
Checking Method
1. Switch OFF DI ABSQ should
wait until DO ABSR is OFF.
2. Switch ON ABSQ should wait
until DO ABSR is ON.
Check if the time between
switching ON DO ABSR and
switching ON ABSQ exceeds
200ms.
Corrective Actions
Do not change the battery when the
power is ON which is controlled by
the servo drive. After change the
battery, AL061 will be cleared
automatically.
Corrective Actions
Conduct homing procedure again.
Please refer to the description of
absolute coordinate initialization in
Chapter 12.
Corrective Actions
1. Improve heat dissipation or
reduce the loading of operation.
The temperature should be
lower than 100℃.
2. If the encoder's temperature is
higher than the motor's (more
than 30 degree). Please send
the motor back to the
distributors.
Corrective Actions
Correct the reading sequence of I/O
After switching ON DO ABSR (the
absolute position data is ready),
read DO ABSD and switch ON DI
ABSQ within 200ms so that to
inform the servo drive data reading
is completed.
ASDA-A2
10-19