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180
Operations With Direct Operation
Section 7-4
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
start is activated within 16 ms of stopping, as shown in the following figure, all
the immediately preceding position command values will be output and the
specified position will be reached. Newly specified position command values,
however, may become invalid.
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
Speed
Busy Flag
Time
16 ms
Multiple start will
become invalid.
ABSOLUTE MOVEMENT
command/RELATIVE
MOVEMENT command
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 ...