Mitsubishi Electronics QD75MH1 ユーザーズマニュアル

 
 

 

12 - 95 

MELSEC-Q

 

12   CONTROL SUB FUNCTIONS 

 

(2) Block start 

At a block start, this function is valid for only the position control whose 
operation pattern is "Positioning complete" at the point whose shape has 
been set to "End". (Refer to Fig. 12.52.) 

 

The following table indicates the operation of the deceleration start flag in the 
case of the following block start data and positioning data. 

 

Block start 

data 

 Da.11   

Shape 

 Da.12   

Start data No. 

 Da.13   

Special start 

instruction 

1st point 

1: Continue 

1 

0: Block start 

2nd point 

1: Continue 

3 

0: Block start 

3rd point 

0: End 

4 

0: Block start 

•

 

 

 

 

•

 

 

 

 

 

Positioning 

Data No. 

 Da.1  

Operation pattern 

1 

01: Continuous positioning control 

2 

00: Positioning complete 

3 

00: Positioning complete 

4 

11: Continuous path control 

5 

00: Positioning complete 

•

 

 

•

 

 

 

t

1st point: Continue (1)

3rd point: End (0)

2nd point: Continue (1)

Operation 
pattern

Continuous path 
control (11)

Positioning 
data No. 4

Positioning 
data No. 5

Positioning complete (00)

Continuous 
positioning 
control (01)

Positioning 
data No. 1

Positioning 
data No. 2

Positioning complete (00)

Positioning 
data No. 3

Positioning complete (00)

V

Md.48 Deceleration start flag 0

1

 

Fig. 12.52 Operation of deceleration start flag at block start