12CONTROL SUB FUNCTIONS

[5]Control details

MELSEC-Q

(1)The following drawing shows a step operation during a "deceleration unit step".

Cd. 35 Step valid flag

ON

 

 

 

 

ON

 

Positioning start signal

OFF

 

[Y10, Y11, Y12, Y13]

ON

 

 

 

BUSY signal

OFF

 

[XC, XD, XE, XF]

 

ON

Positioning complete signal

OFF

 

[X14, X15, X16, X17]

V

 

 

 

Positioning

 

 

Positioning data No.

No.10

No.11

Da. 1 Operation pattern

11

01

OFF

t

No positioning data No. unit, so operation pattern becomes one step of unit for carrying out automatic deceleration.

Fig. 12.35 Operation during step execution by deceleration unit step

(2) The following drawing shows a step operation during a "data No. unit step".

Cd. 26 Step valid flag

ON

 

 

 

 

 

 

 

 

OFF

Positioning start signal

ON

 

 

[RY(n+1)0, RY(n+1)1]

OFF

 

 

 

ON

 

 

BUSY signal [RXn4, RXn5] OFF

 

 

Positioning complete signal

 

ON

 

OFF

 

 

[RXn7, RXn8]

 

 

 

Positioning

V

 

 

 

 

 

 

 

 

t

Cd. 28 Step start information

00H

01H

00H

 

Positioning data No.

No.10

 

No.11

 

 

Da. 1 Operation pattern

11

 

01

 

 

Operation pattern becomes one step of positioning data No. unit, regardless of continuous path control (11).

Fig. 12.36 Operation during step execution positioning data No. unit step

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Image 537
Mitsubishi Electronics QD75D, QD75P user manual Cd Step valid flag Positioning start signal, Y10, Y11, Y12, Y13 Busy signal