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MELSEC-Q
9 MAJOR POSITIONING CONTROL
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.)
t
Start complete signal
OFF
ON
Dwell time
[X10, X11, X12, X13]
OFF
ON
BUSY signal
OFF
ON
Positioning complete signal
OFF
ON
Positioning complete (00)
[Y10, Y11, Y12, Y13]
Positioning start signal
[XC, XD, XE, XF]
[
X14, X15, X16, X17
]
V
Fig. 9.1 Operation during independent positioning control