Mitsubishi Electronics QD75MH2 Benutzerhandbuch

 
 

 

10 - 25 

MELSEC-Q

 

10   HIGH-LEVEL POSITIONING CONTROL 

 

 Start time chart  

 

The following chart shows a time chart in which the positioning data No. 1, 2, 10, 
11, and 12 of axis 1 are continuously executed as an example.  

 

(1)   Block start data setting example 

 

Axis 1 block 

start data 

 Da.11   

Shape 

 Da.12   

Start data No. 

 Da.13   

Special start 

instruction 

 Da.14   

Parameter 

1st point 

1: Continue 

1 

0: Block start 

– 

2nd point 

0: End 

10 

0: Block start 

– 

•

 

 

 

 

 

•

 

 

 

 

 

 

(2)   Positioning data setting example 

 

Axis 1 position-

ing data No. 

 Da.1  

Operation pattern 

1 

11: Continuous path control 

2 

00: Positioning complete 

•

 

 

10 

11: Continuous path control 

11 

11: Continuous path control 

12 

00: Positioning complete 

•

 

 

 

(3)   Start time chart  

 

[Y10]

PLC READY signal

QD75 READY signal

[X10]

[XC] 

Positioning complete signal 

V

t

Error detection signal

Positioning data No. 

Dwell time 

12(00)

Operation pattern 

1(11)

1st point [buffer memory address 26000]
2nd point [buffer memory address 26001]

11(11)

10(11)

2(00)

7000

1

-32767

10

(8001

H

)

(000A

H

)

Cd.3  Positioning start No.

Cd.4  Positioning start point No.

Positioning start signal

[X0]

Start complete signal

BUSY signal

[X8]

[X14]

[Y0]

All axis servo ON

[Y1]

Dwell time 

 

Fig. 10.3 Start time chart for high-level positioning control (block start)