[Al. 090_Homing Incomplete Warning] - Mitsubishi Electric Melservo-J5 MR-J5 Series User Manual

[AL. 090_Homing incomplete warning]

• Homing did not complete properly with the positioning function.
[AL. 090.1_Homing incomplete]
Cause
1.
An automatic operation was executed while
homing was incomplete.
2.
When the absolute position detection system
is used, positioning operation was executed
without homing after [AL. 025 Absolute
position erased] has occurred.
3.
[AL. 069 Command error] has occurred.
[AL. 090.2_Homing termination error]
Cause
1.
The proximity dog was not connected to DOG.
2.
The stroke limit was detected after homing
was started.
3.
Deceleration from the homing speed to the
creep speed was not possible.
[AL. 090.5_Z-phase unpassed]
Cause
1.
Homing was executed while the servo motor
did not pass the Z-phase.
2.
The Z-phase signal was not detected normally.
1 SERVO AMPLIFIER TROUBLESHOOTING
62
1.3 Handling methods for alarms/warnings
Check/action method
Check if homing was not executed.
If homing was not executed, execute homing.
Execute homing after dealing with [AL. 025].
Refer to " Homing mode (hm) and homing" in the following manual.
MR-J5 User's Manual (Function)
Execute homing after dealing with [AL. 069].
Refer to " Homing mode (hm) and homing" of the following manual.
MR-J5 User's Manual (Function)
Check/action method
Check if the proximity dog is connected correctly.
Check the status of the input signal on the I/O monitor screen of MR
Configurator2.
Check if the stroke limit is connected correctly.
Or check if the stroke limit is not reached.
There is a possibility that the proximity dog turned off before deceleration from
the homing speed to the creep speed was completed.
Review the dog position.
Or review the parameter values of the homing speed, the creep speed, and the
travel distance after proximity dog.
Check/action method
Review the homing start position and the proximity dog position so that the
servo motor passes the Z-phase signal until the proximity dog turns off after
homing started.
Check if the Z-phase signal of the servo motor was detected normally.
Replace the servo motor.
Model
[G]
[WG]
Model
[G]
[WG]
Model
[G]
[WG]