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218
Linear Interpolation
Section 8-6
8-6-2
Using Continuous Completion with Linear Interpolation
When an axis is started with linear interpolation with the completion code set
to continuous (completion code 2), the following points need to be observed.
Axis Designation
Precautions
When executing linear interpolation with the completion code set to continu-
ous (completion code 2), the axis designation must match the following
sequence.
If a positioning sequence different from the designated axis is executed con-
tinuously (completion code 2), it is possible that all axes with interpolation will
temporarily stop at an intermediate point. The stop period will be approxi-
mately 8 ms. There will be no acceleration/deceleration when there is a tem-
porary stop at the intermediate point.
Example:
When Using a Stepping
Motor
When using a stepping motor for continuous linear interpolation, use the auto-
matic completion code (completion code 1). Interpolation is started with the
target speed and acceleration/deceleration time of the active axis, so the
pulses may suddenly become high or stop suddenly if the continuous comple-
tion code (completion code 2) is used. As a result, the motor may not be able
to follow the variations in the pulses and may malfunction.
For example, suppose that a two-axis (axes X and Y) linear interpolation oper-
ation has been executed by starting the X axis. The movement on the Y axis
from point A to point B will be 0.
Sequence No. n
Sequence No. n + 1
Sequence No. n + 2
Axis: X/Z
Axis: X/Y/Z
Axis: X/Y/Z
Completion code:
Completion code:
Completion code:
Continuous
Continuous
Continuous
Continuous operation is possible
Possible temporary stop
Y axis (pulses)
X axis (pulses)
Positioning path
Содержание CJ1W-C113 - REV 02-2008
Страница 1: ...Position Control Units Cat No W397 E1 07 SYSMAC CJ1W NC113 213 413 133 233 433 OPERATION MANUAL ...
Страница 2: ...CJ1W NC113 213 413 133 233 433 Position Control Units Operation Manual Revised February 2008 ...
Страница 3: ...iv ...
Страница 13: ...xiv ...
Страница 15: ...xvi ...
Страница 19: ...xx ...
Страница 27: ...xxviii Conformance to EC Directives 6 ...
Страница 43: ...16 Control System Principles Section 1 7 ...
Страница 47: ...20 Basic Procedures Section 2 ...
Страница 139: ...112 Examples of Parameter Settings Section 4 9 ...
Страница 173: ...146 Transferring Data with CX Position Section 5 7 ...
Страница 223: ...196 Sample Program Section 7 7 ...
Страница 259: ...232 Sample Program Section 8 10 ...
Страница 293: ...266 Easy Backup Function Ver 2 0 or later Section 9 11 ...
Страница 369: ...342 Reading Error Information with CX Position Section 11 8 ...
Страница 385: ...358 Common Parameter Area Appendix C ...
Страница 399: ...372 Parameter Coding Sheets Appendix E ...