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Chapter 9 Major Positioning Control
Operation chart
The following chart shows the operation timing for 4-axis speed control with axis 1
as the reference axis.
The "in speed control" flag (
Md.31
Status: b0) is turned ON during speed control.
The "positioning complete signal" is not turned ON.
[QD77MS4 operation example]
t
V
BUSY signal
[XC,XD,XE,XF]
OFF
ON
Positioning start signal
[Y10]
OFF
ON
Positioning complete signal
[X14,X15,X16,X17]
OFF
Axis stop signal (stop command)
(Either Y4,Y5,Y6 or Y7)
OFF
ON
Does not turn ON even
when control is stopped
by stop command.
OFF
ON
Referense axis (axis 1)
t
V
Interpolation axis (axis 3)
t
V
Command speed
Da. 8
Interpolation axis (axis 4)
t
V
Interpolation axis (axis 2)
Command speed
Da. 8
Command speed
Da. 8
Command speed
Da. 8
( Md.31 Status:b0)
In speed control flag
(Note): Refer to Section 3.3 for input/output signal of QD77MS16.
Fig. 9.12 4-axis speed control operation timing