Melsec-q, 6 sequence program used for positioning control – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

Page 252

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MELSEC-Q

6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL

(3) Time chart for starting "major positioning control"

1

V

t

Positioning data No.

Dwell time

2(00)

Operation pattern

1(11)

Positioning start signal

PLC READY signal

QD75 READY signal

Start complete signal

BUSY signal

Error detection signal

Cd. 3 Positioning start No.

Positioning complete signal

[Y10]

[Y0]

[X0]

[X10]

[XC]

[X14]

[X8]

Fig. 6.6 Time chart for starting "major positioning control"

(4) Time chart for starting "speed-position switching control"

V

t

Dwell time

Operation pattern(00)

Speed control

Speed-position switching signal

Position control

0

1

1

Positioning data No.(1)

Positioning start signal

PLC READY signal

QD75 READY signal

Start complete signal

BUSY signal

Error detection signal

Positioning complete signal

Cd. 3 Positioning start No.

Cd. 24 Speed-position
switching enable flag

[Y10]

[Y0]

[X0]

[X10]

[XC]

[X14]

[X8]

(external)

Fig. 6.7 Time chart for starting "speed-position switching control"

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