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214
Linear Interpolation
Section 8-6
tinuous, the interpolation speed and the speeds of the X and Y axes are as
shown below, with the pulses being output suddenly and stopped suddenly.
Reversal in Axis
Operation
If an axis with interpolation reverses at the intermediate point when executing
linear interpolation with the completion code set to continuous (completion
code 2), all axes with interpolation will temporarily stop at the intermediate
points. When reversing the operation direction of an axis, the same period of
time will be taken for other axes with interpolation.
Acceleration/Deceleration will not occur for a temporary stop at intermediate
points. When this operation is executed, therefore, set the completion code to
automatic (completion code 1).
The following example shows the linear interpolation of the X and Y axes
starting at the X axis. At point “A” the direction of movement at the Y axis is
reversed.
In this example the interpolation speed to point “A” is given as “a,” and the
interpolation speed to point “B” is given as “b.” With a continuous completion
code, the pulse output temporarily stops at point “A” as shown below. The
stop time is approximately 8 ms.
Interpolation
speed (pps)
Completion
code:
continuous
Completion
code:
continuous
Point A
Point B
Time
X axis speed
(pps)
Sudden output of pulses
Pulse output stops
Time
Y axis speed
(pps)
Time
Sudden output of pulses
Pulse output stops
Y axis
X axis
Origin
A
B
b
a
θ
1
θ
2
Summary of Contents for CS1W-213 - REV 02-2008
Page 2: ...CS1W NC113 213 413 133 233 433 Position Control Units Operation Manual Revised February 2008 ...
Page 3: ...iv ...
Page 13: ...xiv ...
Page 15: ...xvi ...
Page 19: ...xx ...
Page 43: ...18 Basic Operational Flow Section 2 1 ...
Page 87: ...62 Servo Relay Unit Section 3 7 ...
Page 199: ...174 Z phase Margin Section 6 8 ...
Page 217: ...192 Sample Program Section 7 7 ...
Page 285: ...260 Easy Backup Function Ver 2 0 or later Section 9 11 ...
Page 377: ...352 Common Parameter Area Appendix C ...