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9 - 6
Chapter 9 Major Positioning Control
POINT
(1) When the operation pattern is continuous positioning control or continuous
path control, the same address as the last value is specified in absolute
system or the movement amount 0 is specified in incremental system,
positioning control of movement amount 0 is executed.
(2) The BUSY signal 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.
(3) The positioning complete signal turns ON even when position control of
movement amount 0 is executed. ON time is determined by "
Pr.40
Positioning
complete signal output time
".
[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 completes 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.)
[LD77MS4 operation example]
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
(Note): Refer to Section 3.3 for input/output signal of LD77MS16.
Fig. 9.1 Operation during independent positioning control
Содержание MELSEC-L Series
Страница 1: ...MELSEC L LD77MS Simple Motion Module User s Manual Positioning Control LD77MS2 LD77MS4 LD77MS16 ...
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Страница 140: ...4 22 Chapter 4 Installation Wiring and Maintenance of the Product MEMO ...
Страница 253: ...5 113 Chapter 5 Data Used for Positioning Control MEMO ...
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Страница 438: ...7 20 Chapter 7 Memory Configuration and Data Process MEMO ...
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Страница 624: ...10 30 Chapter 10 High Level Positioning Control MEMO ...
Страница 656: ...11 32 Chapter 11 Manual Control MEMO ...
Страница 690: ...12 34 Chapter 12 Expansion Control MEMO ...
Страница 798: ...13 108 Chapter 13 Control Sub Functions MEMO ...
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Страница 899: ...16 15 Chapter 16 Troubleshooting MEMO ...
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