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Mitsubishi Electric RD77MS2 User Manual Page 23

Melsec iq-r simple motion module.
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  • Contents

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Start by the positioning start signal [Y10 to Y1F]
The operation at starting by the positioning start signal [Y10 to Y1F] is shown below.
• When the positioning start signal [Y10 to Y1F] turns ON, the start complete signal ([Md.31] Status: b14) and BUSY signal
[X10 to X1F] turn ON, and the positioning operation starts. It can be seen that the axis is operating when the BUSY signal
[X10 to X1F] is ON.
• When the positioning start signal [Y10 to Y1F] turns OFF, the start complete signal ([Md.31] Status: b14) also turns OFF. If
the positioning start signal [Y10 to Y1F] is ON even after positioning is completed, the start complete signal ([Md.31] Status:
b14) will remain ON.
• If the positioning start signal turns ON again while the BUSY signal [X10 to X1F] is ON, the warning "Start during operation"
(warning code: 0900H)" will occur.
• The process executed when the positioning operation is completed will differ by whether the next positioning control is
executed.
Whether the next positioning control is
executed
Do not execute the positioning
Execute the positioning
■RD77MS4 operation example
V
Positioning
All axis servo ON [Y1]
OFF
Positioning start signal
OFF
[Y10, Y11, Y12, Y13]
Start complete signal
OFF
([Md.31] Status: b14)
BUSY signal
OFF
[X10, X11, X12, X13]
Positioning complete signal
OFF
([Md.31] Status: b15)
The BUSY signal [X10 to X1F] 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 program. (The ON status of the
start complete signal ([Md.31] Status: b14), positioning complete signal ([Md.31] Status: b15) and M code ON
signal ([Md.31] Status: b12) can be detected in the program.)
Processing details
• If a dwell time is set, the system will wait for the set time to pass, and then positioning will be completed.
• When positioning is completed, the BUSY signal [X10 to X1F] will turn OFF and the positioning complete
signal ([Md.31] Status: b15) will turn ON. However, when using speed control or when the positioning
complete signal ON time is "0", the signal will not turn ON.
• When the time set in "[Pr.40] Positioning complete signal output time" is passed, the positioning complete
signal ([Md.31] Status: b15) will turn OFF.
• If a dwell time is set, the system will wait for the set time to pass.
• When the set dwell time is passed, the next positioning will start.
ON
ON
ON
ON
ON
Dwell time
t
1 START AND STOP
21
1.1 Start
1

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This manual is also suitable for:

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