
4.SERVO FUNCTION DETAILS B-65270EN/05
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<4> Start the "SD" software, and make the following setting.
DOS prompt > SD INIT [Enter]
o (Origin of position)
F9 (System setting)
0 (CH0)
2 [Enter] (TCMD)
1.0 [Enter] (1.0A)
1 (CH1)
2 [Enter] (TCMD)
40 [Enter] (Maximum current for servo amplifier to be used)
F10 (Return to main menu.)
(Ctrl)T
(XTYT mode selected)
F2 (Data number)
9000 [Enter] (Number of data items to be measured)
* This description uses the L
is3000B2/2 as an example. It differs
from other models only in the current rating of the servo
amplifier. For small linear motors, set the number of data items
to be measured to 4500.
<5> When determining the correction parameters, set the velocity
gain to a rather low value.
<6> For medium-size and large motors, make a reciprocating motion
for 200 mm or mor
e at F1200 (mm/min).
For small linear motors, make a reciprocating motion for 100 mm
or more at F1200 (mm/min).
<7> Pressing the F1 key (to start measurement) at regular speed
displays the data shown below. (Check that the activating phase
angle-based sine waveform changes from negative to positive at
three points or more.)
CAUTION
Measurement direction varies with the setting of the direction-of-movement
parameter.
[If a direction-specific smoothing compensation is not used]
When the setting is 111: Measurement is performed during forward movement.
When the setting is -111: Measurement is performed during backward
movement.
[If a direction-specific smoothing compensation is used]
(When determining a compensation value for the positive direction)
When the setting is 111: Measurement is performed during forward movement.
When the setting is -111: Measurement is performed during backward
movement.
(When determining a compensation value for the negative direction)
When the setting is 111: Measurement is performed during backward movement.
When the setting is -111: Measurement is performed during forward movement.
Measurement in the wrong direction hinders correct calculation of the correction
parameter.