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Operations with Direct Operation
Section 7-4
data area. In this event, the positioning currently being executed is cancelled
and the axis is moved towards the newly designated position.
The Busy Flag does not need to be checked when a multiple start is used.
Also, depending on the conditions or timing, a multiple start may not be valid.
Refer to Multiple Start Operating Patterns, below, for details.
Note
If data in the operating data area is changed during direct operation, position
data will become effective when the next direct operation is designated.
Speed data goes into effect as soon as it is written to the operating data area,
unrelated to any other commands.
The value specified at the first startup can be used for acceleration/decelera-
tion data.
With Ver. 2.0 or later, the value specified for each multiple start is used for
acceleration. The value set for the first start is used for deceleration.
7-4-4
Multiple Start Operating Patterns
Operation Patterns for Absolute Movement
When a reversal is specified by the ABSOLUTE MOVEMENT command, posi-
tioning will first decelerate at the deceleration time that has been set and then
accelerate in the reverse direction at the acceleration time that has been set.
Multiple reversals may not be possible if they are generated while a reversal
operation is already being performed.
Operation Patterns for Relative Movement
If the value of the RELATIVE MOVEMENT command causes a reverse, an
emergency reverse will occur when the command is received.
Multiple Start Validity
A multiple start is intended for applications that require changing the target
position during operation. Therefore, to ensure that the multiple start is exe-
cuted, avoid activating the multiple start right before stopping. If the multiple
Without Reversal
With Reversal
Speed
Speed
New command (CHANGE POSITION)
Start
First specified
position
New specified
position
CW position
CW position
New command (CHANGE POSITION)
Start
First specified
position
New specified position
Without Reversal
With Reversal
Speed
Speed
New command (CHANGE POSITION)
Start
First specified
position
New specified
position
CW position
CW position
New command (CHANGE POSITION)
Start
First specified
position
New specified position
Summary of Contents for CJ1W-C113 - REV 02-2008
Page 2: ...CJ1W 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 27: ...xxviii Conformance to EC Directives 6 ...
Page 43: ...16 Control System Principles Section 1 7 ...
Page 47: ...20 Basic Procedures Section 2 ...
Page 139: ...112 Examples of Parameter Settings Section 4 9 ...
Page 173: ...146 Transferring Data with CX Position Section 5 7 ...
Page 223: ...196 Sample Program Section 7 7 ...
Page 259: ...232 Sample Program Section 8 10 ...
Page 293: ...266 Easy Backup Function Ver 2 0 or later Section 9 11 ...
Page 369: ...342 Reading Error Information with CX Position Section 11 8 ...
Page 385: ...358 Common Parameter Area Appendix C ...