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9 MAIN POSITIONING CONTROL
(2) 2-axis linear interpolation control (INC linear 2)
Operation chart
In increment system 2-axis linear interpolation control, addresses established by a
machine zero point return on a 2-axis coordinate plane are used. Linear
interpolation positioning is carried out from the current stop position (start point
address) to a position at the end of the movement amount set in "
Da.5
Positioning address/movement amount". The movement direction is determined
by the sign of the movement amount.
X1 X2
Y1
Y2
Reverse direction
Forward direction (X axis)
Reverse direction
Forward direction (Y axis)
Movement by linear interpolation
positioning of the X axis and Y axis
Start point address (X
1
,Y
1
)
(current stop position)
Y axis movement
amount
X axis movement
amount
Example
5000 10000
4000
1000
Axis 2
Axis1
0
Axis 2 movement amount
(-3000)
Start point address
Stop address after the positioning control
Axis 1 movement amount
(9000)
(current stop position)
When the axis 1 movement amount is 9000 and the axis 2 movement amount is -3000,
positioning is carried out as follows.