Melsec-q, 9 major positioning control, Operation chart – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

Page 378

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MELSEC-Q

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.

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.

Status: b0

OFF

ON

Md.31

In speed control flag

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

Fig. 9.12 4-axis speed control operation timing

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