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10 USING A LINEAR SERVO MOTOR
10.2 Startup [G] [WG]
■For absolute position linear encoder
The magnetic pole detection is required in the following cases.
• When the system is set up (at initial startup of equipment)
• After a servo amplifier is replaced
• After a linear servo motor (primary-side or secondary-side) is replaced
• After a linear encoder (scale or head) is replaced or remounted
If a gap is generated to the positional relation between the linear encoder and the linear servo motor, perform the magnetic
pole detection again.
1. Execute the magnetic pole detection.
Page 322 For incremental encoder
2. After the completion of the magnetic pole detection, change [Pr. PL01.0 Servo motor magnetic pole detection selection]
to "0" (magnetic pole detection disabled).
When [Pr. PL01.0 Servo motor magnetic pole detection selection] is set to "0" (magnetic pole detection disabled) after the
magnetic pole detection, the magnetic pole detection after each power-on is not required.
Servo parameter Description
PL01.0 Servo motor magnetic pole detection selection
0: Magnetic pole detection disabled
1: Magnetic pole detection at initial servo-on after cycling the power
5: Magnetic pole detection at every servo-on
Initial value: 1 (magnetic pole detection at initial servo-on after cycling the power)
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