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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.