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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 all axes are set to "0", fixed-pitch feed completion without
fixed-pitch feed.
[Program]
Program for fixed-pitch feed control using 3 axes linear interpolation is shown as the
following conditions.
(1) System configuration
Fixed-pitch feed control using 3 axes linear interpolation of Axis 1, Axis 2 and
Axis 3.
Q61P Q02H
CPU
Q172H
CPU
Q172
LX
QX41
MM MM
Motion CPU control module
Positioning start command (PX000)
Axis
4
Axis
1
Axis
2
Axis
3
AMP AMP AMP AMP
(2) Fixed-pitch feed control
(a) Fixed-pitch feed control conditions are shown below.
Item Setting
Servo program No. No.320
Positioning speed 1000
Control axes Axis 1 Axis 2 Axis 3
Travel value 50000 40000 30000
(b) Fixed-pitch feed control start command ....... Turning PX000 off to on
(OFF
ON)