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10 - 11

MELSEC-Q

10   HIGH-LEVEL POSITIONING CONTROL

10.3.4 Wait start

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

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

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-

ing data No.

Da.1

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.