Mitsubishi Electric MELSERVO-J3W Series Instruction Manual page 385

14. USING A DIRECT DRIVE MOTOR
Alarm No.: 42 Name: Servo control error
Alarm content
Display Detail name
42.1 Servo control 1) Connection of the direct
error by position
deviation
2) The initial magnetic pole
3) The position deviation
42.2 Servo control 1) Connection of the direct
error by speed
deviation
2) The initial magnetic pole
3) The speed deviation
42.3 Servo control 1) Connection of the direct
error by torque
detection
2) The initial magnetic pole
3) The thrust deviation
Alarm No.: 45 Name: Main circuit device overheat
Alarm content
Display Detail name
45.1 Main circuit Same as for the rotary servo motors.
device overheat Refer to section 8.3.
error
45.5 Board
temperature
error
A servo control error occurred.
Cause
drive motor is not correct.
detection was not
executed.
reached the detection level.
drive motor is not correct.
detection was not
executed.
reached the detection level.
drive motor is not correct.
detection was not
executed.
reached the detection level.
Inside of the servo amplifier overheated.
Cause
Stop system: Each axis
Check method
Check the wiring. Problem found.
No problem found.
Execute the magnetic It is not repeatable.
pole detection again,
and then check the
It is repeatable.
repeatability.
Check the operation The deviation is
status. large.
(Check the value of
droop pulses.)
Check the wiring. Problem found.
No problem found.
Execute the magnetic It is not repeatable.
pole detection again,
and then check the
It is repeatable.
repeatability.
Check the operation The deviation is
status. large.
(Calculate the deviation
between the speed
command and direct
drive motor speed.)
Check the wiring. Problem found.
No problem found.
Execute the magnetic It is not repeatable.
pole detection again,
and then check the
It is repeatable.
repeatability.
Check the operation The deviation is
status. large.
(Calculate the deviation
between the current
command and torque.)
Stop system: All axes
Check method
14 - 52
Check result
Wire it correctly.
Check 2).
Execute the magnetic pole
detection.
Check 3).
Review the operation
status.
Review the setting of
parameter No.PS05 (Servo
control position deviation
error detection level) as
required.
Wire it correctly.
Check 2).
Execute the magnetic pole
detection.
Check 3).
Review the operation
status. Review the setting
of parameter No.PS06
(Servo control speed
deviation error detection
level) as required.
Wire it correctly.
Check 2).
Execute the magnetic pole
detection.
Check 3).
Review the operation
status.
Review the setting of
parameter No.PS07 (Servo
control torque deviation
error detection level) as
required.
Check result
Action
Action