Delta ASD-A2 Series User Manual page 683

ASDA-A2
Causes
AL062: Encoder under voltage
Causes
Battery under voltage
AL062: The multi-turn of absolute encoder overflows
Potential Cause
The operation
distance exceeds the
range the absolute
encoder is able to
record
AL068: Absolute data transmitted via I/O is in error
Causes
Sequence error
Reading time out
AL069 : Wong motor type
Causes
Incremental motor is
not allowed to
activate the absolute
function
AL289: Feedback position counter overflows
Causes
Feedback position
counter overflows
12-34
Checking Method
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
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.
Checking Method
1. Check if the motor is incremental or
absolute encoder.
2. Check parameter P2-69.
Checking Method
This alarm will not occur at the moment. If
it does, please contact the distributors.
Chapter 12 Absolute System
Corrective Actions
of absolute coordinate
initialization in Chapter 12.
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
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.
Corrective Actions
If the user desires to use
absolute function, please
choose absolute motor. If not,
please set parameter P2-69 to
0.
Corrective Actions
NMT: Reset node or
0x6040.Fault Reset
Revision February, 2017