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6 POSITIONING CONTROL
POINT
Do not set the travel value to "0" for fixed-pitch feed control.
The following results if the travel value is set to "0":
(1) If the travel value of both is set to "0", fixed-pitch feed completion without fixed-
pitch feed.
[Program]
Program for fixed-pitch feed control using 2 axes linear interpolation is shown as the
following conditions.
(1) System configuration
Fixed-pitch feed control using 2 axes linear interpolation of Axis 2 and Axis 3.
MM MM
Motion CPU control module
Positioning start command (PX000)
Axis
4
Axis
1
Axis
2
Axis
3
AMP AMP AMP AMP
Q61P Q02H
CPU
Q172H
CPU
Q172
LX
QX41
(2) Fixed-pitch feed control
(a) Fixed-pitch feed control conditions are shown below.
Item Setting
Servo program No. No.310
Positioning speed 10000
Control axis Axis 2 Axis 3
Travel value 500000 300000
(b) Fixed-pitch feed control start command ....... Turning PX000 off to on
(OFF
ON)