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6 SERVO MOTOR DRIVING
6.2 Point table mode (pt)
Varying-speed operation
By setting the auxiliary function of the point table, the servo motor speed during positioning can be changed. Point tables are
prepared as many as the number of the set speeds.
■
Absolute value command method ([Pr. PT01] = _ _ _ 0)
Set "1" or "3" to the auxiliary function to execute the positioning at the speed set in the following point table.
At this time, the position data selected at start is enabled, and the acceleration/deceleration time constant set in the next and
subsequent point tables is disabled.
By setting "1" or "3" to auxiliary functions until point table No. 254, the operation can be performed at maximum 255 speeds.
Be sure to set "0" or "2" to the auxiliary function of the last point table.
To perform varying-speed operation, be sure to set "0" to the dwell.
Setting "1" or more enables the automatic continuous positioning operation.
The following table shows an example of setting.
*1 Always set "0".
*2 Always set "0" or "2" to the auxiliary function of the last point table among the consecutive point tables.
Point table No.
Dwell [ms]
Auxiliary function
Varying-speed operation
1
0
1
Consecutive point table data
2
0
3
3
Disabled
4
0
3
Consecutive point table data
5
0
1
6
Disabled
