Mitsubishi Electric MR-J5-G Series User Manual page 48

[AL. 027.3_Initial magnetic pole detection - Limit switch error]
Cause
1.
In the magnetic pole detection, both limit
switches are turned off.
2.
When using a direct drive motor in a system
where the motor rotates one revolution or
more, the following stroke limit signals are not
disabled with a servo parameter.
[A]: LSP and LSN
[GF] [WG]: LSP and LSN (FLS and RLS from the controller)
3.
The settings of the magnetic pole detection
are incorrect.
[AL. 027.4_Initial magnetic pole detection - Estimated error]
Page 45 [AL. 027.1_Initial magnetic pole detection - Abnormal termination]
[AL. 027.5_Initial magnetic pole detection - Speed deviation error]
Page 45 [AL. 027.1_Initial magnetic pole detection - Abnormal termination]
[AL. 027.6_Initial magnetic pole detection - Position deviation error]
Page 45 [AL. 027.1_Initial magnetic pole detection - Abnormal termination]
[AL. 027.7_Initial magnetic pole detection - Current error]
Page 45 [AL. 027.1_Initial magnetic pole detection - Abnormal termination]
1 SERVO AMPLIFIER TROUBLESHOOTING
46
1.3 Handling methods for alarms/warnings
Check/action method
Check the limit switch status.
If both of the limit switches are turned off, turn on the limit switches.
When using a direct drive motor, see also 2.
Check the setting of [Pr. PL08.2 Magnetic pole detection - Stroke limit enabled/
disabled selection]
Check the settings of the servo parameter and other relevant areas.
Refer to "Magnetic pole detection" in the following manual.
MR-J5 User's Manual (Hardware)
Model
[A]
[G]
[WG]