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9 MAJOR POSITIONING CONTROL
Positioning start signal
Start complete signal
BUSY signal
Positioning complete signal
POINT
The BUSY signal [XC, XD, XE, XF] turns ON even when position control of
movement amount 0 is executed. However, since the ON time is short, the ON
status may not be detected in the PLC program.
[1] Independent positioning control (Positioning complete)
This control is set when executing only one designated data item of positioning. If
a dwell time is designated, the positioning will complete after the designated time
elapses.
This data (operation pattern [00] data) becomes the end of block data when
carrying out block positioning. (The positioning stops after this data is executed.)
V
[Y10, Y11, Y12, Y13]
[X10, X11, X12, X13]
[XC, XD, XE, XF]
[X14, X15, X16, X17]
Fig. 9.1 Operation during independent positioning control
Positioning complete (00)
ON
OFF
ON
OFF
ON
OFF
OFF
9 - 6
MELSEC-Q
Dwell time
t
ON
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