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Chapter 6 Sequence Program Used for Positioning Control
POINT
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 sequence program.
(The ON status of the start complete signal, positioning complete signal and M
code ON signal can be detected in the sequence program.)
Starting time chart
The time chart for starting each control is shown below.
(1) Time chart for starting "machine OPR"
[LD77MS4 operation example]
READY signal
Start complete signal
BUSY signal
Error detection signal
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
9001
ON
ON
OFF
OFF
Near-point dog
V
t
OPR request flag
( Md. 31 Status: b3)
Cd. 3 Positioning start No.
Positioning start signal
[Y10]
PLC READY signal
[Y0]
[X0]
[X10]
[XC]
[X8]
OPR complete flag
( Md. 31 Status: b4)
Zero signal
OFF
ON
All axis servo ON
[Y1]
OFF
ON
Standby
Axis operation status
Md. 26
Servo OFF
(Note): Refer to Section 3.3 for input/output signal of LD77MS16.
Fig. 6.4 Time chart for starting "machine OPR"
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 485: ...9 25 Chapter 9 Major Positioning Control MEMO ...
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