Mitsubishi Electric MELSERVO-J5 User Manual page 412
Ac servo system
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Also See for MELSERVO-J5:
- User manual (580 pages) ,
- Sample screen manual (128 pages) ,
- Introduction manual (112 pages)
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■Magnetic pole detection by minute position detection method
Magnetic pole detection
Check if LSP (Forward rotation stroke end), LSN (Reverse rotation stroke end), and EM2 (Forced stop 2) have been
turned on. Then, cycle the power of the servo amplifier or reset software.
Set [Pr. PL08.0 Magnetic pole detection method selection] to "4" (minute position detection method).
Set [Pr. PL01.0 Servo motor magnetic pole detection selection] to "1" (Magnetic pole detection at initial servo-on after
cycling the power).
Cycle the power of the servo amplifier or reset software.
Set the load to mass of the direct drive motor inertia ratio with [Pr. PL17.1 Load to motor mass ratio/load to motor
inertia ratio selection].
Execute "Forward rotation CCW" or "Reverse rotation CW" with "Positioning operation" in the test operation mode on
MR Configurator2. Set the travel distance to "0" at this time.
The magnetic pole detection is performed.
Is the value of [Pr. PL17.0
YES
Response selection]
Has an abnormal sound or
vibration occurred during the
magnetic pole detection?
Have [AL. 032 Overcurrent],
[AL. 050 Overload 1],
[AL. 051 Overload 2], and
[AL. 0E1 Overload warning 1]
Is the travel distance during
the magnetic pole detection
Has [AL. 027 Initial magnetic pole
detection error] occurred?
Set [Pr. PL01.0] to "0" (Magnetic pole detection
*1
disabled).
End
*1 For the incremental system, the setting of [Pr. PL01] is not required.
*2 If the load to mass of the direct drive motor inertia ratio is unknown, perform the magnetic pole detection by the position detection
method, and then perform the auto tuning to set an estimated value.
*3 For the magnetic pole detection by the minute position detection method, the maximum travel distance at the magnetic pole detection
must be 0.5 mm or less. To shorten the travel distance, increase the value of [Pr. PL17.0].
11 USING A DIRECT DRIVE MOTOR
410
11.3 Startup [A]
*1
*2
the final value?
NO
NO
occurred?
NO
Not acceptable
*3
acceptable?
Acceptable
NO
YES
Set the value of [Pr. PL17.0] decreased by two
as the final setting value.
Decrease the value of [Pr. PL18 Magnetic pole detection
YES
- Minute position detection method - Identification signal
amplitude] by five.
Increase the value of [Pr. PL17.0] by one.
Is the setting value of [Pr. PL17
YES
Magnetic pole detection - Minute
position detection method -
Function selection] correct?
Set [Pr. PL08.0] to "0" (position detection method).
NO
YES
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