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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
A
xis 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
Reference 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