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MDS-D-SVJ3/SPJ3 Series Instruction Manual
1-5 Installation of the spindle detector
1-5-3 Installation accuracy diagnosis for PLG detector
(1) Outline
PLG detects the speed and position by the rotation of the gear installed at the motor end or spindle end.
Adjustment-free PLG can be used without adjusting the waveform after installing the sensor section
(TS5690 Series) on the machined notched fitting section. With this function, whether the PLG
installation position is OK or not can be judged using the D/A output of the spindle drive unit while
rotating the spindle in an open loop. For an IPM spindle motor, the waveform should be measured while
rotating the spindle by hand because an open loop operation cannot be carried out.
Example: For full closed mode
Make sure that the motor can be rotated freely in the unloaded state without being locked.
CAUTION
To CN3
To CN2
Spindle
motor
Spindle
MU1606 (Gear)
TS5690 (Sensor)
Spindle
gear
Motor gear
(6) Judging the installation
gap using the D/A output
signal waveform.
MU1606 (Gear)
TS5690 (Sensor)
Open loop
(2) Open loop setting
(3) Power ON again
(4) Spindle rotation at the
100r/min command
(1) Power ON
(1) Power ON
(5) Spindle rotation