6 SERVO MOTOR DRIVING
6.2 Point table mode (pt)
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Parameter setting
Set the following parameters to perform automatic operation.
• Command method selection ([Pr. PT01])
Select the absolute value command method as shown below.
• Rotation direction selection ([Pr. PA14])
Select the servo motor rotation direction when "Controlword bit 4 (New set-point)" is switched on.
• Position data unit ([Pr. PT01])
Set the unit of the position data.
• Feed length multiplication ([Pr. PT03])
Set the feed length multiplication (STM) of the position data.
*1 The "-" sign has different meanings under the absolute value command method and the incremental value command method. Refer to
the following for details.
Page 98 About point table mode (pt)
*2 The feed length multiplication setting ([Pr. PT03]) is not applied to the unit multiplication factor.
Adjust the unit multiplication factor in the electronic gear setting ([Pr. PA06] and [Pr. PA07]).
[Pr. PA14] setting
Servo motor rotation direction
"Controlword bit 4 (New set-point)" on
0
CCW rotation with + position data
CW rotation with - position data
1
CW rotation with + position data
CCW rotation with - position data
[Pr. PT01] setting
Position data unit
_ 0 _ _
mm
_ 1 _ _
inch
_ 2 _ _
degree
_ 3 _ _
pulse
[Pr. PT03] setting
Position data input range
[mm]
[inch]
[degree]
[pulse]
_ _ _ 0
- 999.999 to + 999.999
- 99.9999 to + 99.9999
-360.000 to 360.000
- 999999 to + 999999
_ _ _ 1
- 9999.99 to + 9999.99
- 999.999 to + 999.999
_ _ _ 2
- 99999.9 to + 99999.9
- 9999.99 to + 9999.99
_ _ _ 3
- 999999 to + 999999
- 99999.9 to + 99999.9
[Pr. PT01]
0
Absolute value command method
CW
CCW
