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Chapter 9 Major Positioning Control
[2] Continuous positioning control
(1) The machine always automatically decelerates each time the positioning is
completed. Acceleration is then carried out after the Simple Motion module
command speed reaches 0 to carry out the next positioning data operation.
If a dwell time is designated, the acceleration is carried out after the
designated time elapses.
(2) In operation by continuous positioning control (operation pattern "01"), the
next positioning No. is automatically executed. Always set operation pattern
"00" in the last positioning data to complete the positioning.
If the operation pattern is set to positioning continue ("01" or "11"), the
operation will continue until operation pattern "00" is found.
If the operation pattern "00" cannot be found, the operation may be carried
out until the positioning data No. 600. If the operation pattern of the
positioning data No. 600 is not completed, the operation will be started again
from the positioning data No. 1.
[QD77MS4 operation example]
t
OFF
ON
OFF
ON
OFF
ON
OFF
Positioning continue (01)
Address (+) direction
Address (-) direction
Positioning
complete (00)
Dwell
time
ON
Positioning continue (01)
Start complete signal
BUSY signal
Positioning complete signal
Positioning start signal
[Y10, Y11, Y12, Y13]
[X10, X11, X12, X13]
[XC, XD, XE, XF]
[X14, X15, X16, X17]
Dwell time
not designated
V
(Note): Refer to Section 3.3 for input/output signal of QD77MS16.
Fig. 9.2 Operation during continuous positioning control