10HIGH-LEVEL POSITIONING CONTROL

10.3.4 Wait start

MELSEC-Q

In a "wait start", the "condition data" conditional judgment designated in "

Da.14

Parameter" is carried out for the positioning data set in "

Da.12

Start data No.". If the

conditions have been established, the " block start data" is executed. If the conditions have not been established, the control stops (waits) until the conditions are established.

Section [2] shows a control example where the " block start data" and "positioning data" are set as shown in section [1].

[1]Setting examples

(1)Block start data setting example

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Da.13

 

 

 

Axis 1 block

 

Da.11

 

 

Da.12

 

 

Da.14

 

 

 

 

 

Special start

 

 

start data

 

 

 

 

 

 

 

 

 

 

Shape

Start data No.

Parameter

 

instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1st point

1: Continue

1

 

2: Wait start

3

 

2nd point

1: Continue

10

 

0: Block start

 

3rd point

0: End

50

 

0: Block start

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The "condition data Nos." have been set in "

Da.14

Parameter".

(2) Positioning data setting example

Axis 1 position-

 

 

 

 

Da.1

ing data No.

Operation pattern

 

 

1

01: Continuous positioning control

2

01: Continuous positioning control

3

00: Positioning complete

 

 

 

10

11: Continuous path control

11

11: Continuous path control

12

00: Positioning complete

 

 

 

50

00: Positioning complete

 

 

 

 

 

 

 

[2] Control examples

The following shows the control executed when the " block start data" of the 1st point of axis 1 is set as shown in section [1] and started.

<1> The conditional judgment set in "condition data No. 3" is carried out before execution of the axis 1 "positioning data No. 1".

Conditions established Execute positioning data No. 1, 2, and 3 Go to <2>.

Conditions not established Control stops (waits) until conditions are established Go to <1>.

<2> Execute the axis 1 "positioning data No. 10, 11, 12, and 50" and stop the control.

10 - 11

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Mitsubishi Electronics QD75D, QD75P user manual Wait start, Axis 1 block Da.11 Da.12 Da.14