Delta ASDA-A3 Series User Manual page 1177

Troubleshooting
AL051 Motor parameter automatic identification error
14
Trigger condition
and cause
Checking method
and corrective action
How to clear the
alarm?
AL052 Initial magnetic field detection error
Trigger condition
and cause
14-30
Condition: an error occurs when the Motor Parameter Identification Wizard function
is used.
Cause: when the motor is executing the Motor Parameter Identification Wizard
function, this alarm is triggered if the friction is too large causing the motor unable
to run, or the resolution, magnetic pole, or magnetic pole pitch is in error.
Check if PM.003, PM.004, and PM.045 are set correctly according to the
1.
specifications.
Make sure the motor can operate properly.
2.
Check if the friction between the motor and mechanical part is too large.
3.
Check if the feedback signal is abnormal. Use the software scope and select
4.
"Feedback Position [PUU]" as the input signal for the channel to monitor
whether the feedback value is correct.
Check for interference causing pulse leakage.
5.
If there is interference, check the following items:
6.
(a) Check if the motor is properly grounded. Make sure the ground end
(green) of the power cable is grounded to the servo drive heat sink.
(b) Use shielded cable for the feedback signal cable. Make sure the signal
cable is separated from the power supply or any high-current cables to
avoid interference.
DI.ARST
Condition:
The initial magnetic field detection is not complete because the motor moves
1.
by more than 1/3 pole pair distance or pole pitch during the detection.
When the servo is on, the servo automatically detects the magnetic field.
2.
If the detection is not complete in 4 seconds, this alarm is triggered.
The motor has not released the brakes or is running unevenly, or the set
3.
screw are not removed from the mechanical parts, causing the machine
unable to operate.
Cause: when you choose not to install the Hall sensor (set PM.003.Y to 0 for not
using the Hall sensor), the servo automatically detects the magnetic field when
Servo On. This alarm is displayed when the servo cannot detect the magnetic field.
ASDA-A3