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14. USING A LINEAR SERVO MOTOR
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3) After the completion of the magnetic pole detection, change [Pr. PL01] to "_ _ _ 0" (Magnetic pole
detection disabled).
[Pr. PL01]
Magnetic pole detection disabled
0
After the magnetic pole detection, by disabling the magnetic pole detection function with [Pr. PL01],
the magnetic pole detection after each power-on is not required.
(4) Magnetic pole detection method setting
POINT
In the following cases, set the magnetic pole detection method to the minute
position detection method.
When a shorten travel distance at the magnetic pole detection is required
When the magnetic pole detection by the position detection method is not
completed
Set the magnetic pole detection method using the first digit of [Pr. PL08] (Magnetic pole detection
method selection).
[Pr. PL08]
Magnetic pole detection method selectio
n
0: Position detection method
4: Minute position detection method
(5) Setting of the magnetic pole detection voltage level by the position detection method
For the magnetic pole detection by the position detection method, set the voltage level with [Pr. PL09
Magnetic pole detection voltage level]. For the magnetic pole detection by the minute position detection
method, the voltage level setting is not required.
(a) Guideline of parameter settings
Set the parameters by referring to the following table.
[Pr. PL09] setting
(guide value)
Servo status
Small ← Medium → Large
(10 or less (initial value) 50 or more)
Thrust at operation Small Large
Overload, overcurrent alarm Seldom occurs Frequently occurs
Magnetic pole detection alarm Frequently occurs Seldom occurs
Magnetic pole detection accuracy Low High
(b) Setting procedure
1) Perform the magnetic pole detection, and increase the setting value of [Pr. PL09 Magnetic pole
detection voltage level] until [AL. 50 Overload 1], [AL. 51 Overload 2], [AL. 33 Overvoltage], [AL.
E1 Overload warning 1], and [AL. EC Overload warning 2] occur. Increase the setting value by
five as a guide value. When these alarms and warnings occur during the magnetic pole detection
by using MR Configurator2, the test operation of MR Configurator2 automatically completes and
the servo-off status is established.