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

Page 399

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MELSEC-Q

9 MAJOR POSITIONING CONTROL

Operation chart

The following chart shows the operation timing for position-speed switching
control.

The "in speed control" flag (

Md.31

Status: b0) is turned ON during speed control

of position-speed switching control.

Position-speed switching
enable flag

Cd.26

t

V

Positioning start signal
[Y10,Y11,Y12,Y13]

OFF

ON

Command speed

BUSY signal
[XC,XD,XE,XF]

OFF

ON

Positioning complete signal
[X14,X15,X16,X17]

OFF

Position-speed
switching signal

OFF

ON

Position

control

Speed control

OFF

ON

OFF

ON

In speed control flag

Status: b0

Md.31

Da. 8

OFF

ON

Stop command

Does not turn ON even
when control is stopped
by stop command.

Fig. 9.18 Position-speed switching control operation timing

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