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10 HIGH-LEVEL POSITIONING CONTROL
10.3.4 Wait start
In a "wait start", the "condition data" conditional judgment designated in "
Parameter" is carried out for the positioning data set in "
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
1st point
2nd point
3rd point
The "condition data Nos." have been set in " Da.14 Parameter".
(2) Positioning data setting example
Axis 1 position-
ing data No.
1
2
3
10
11
12
50
[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
Go to <2>.
Conditions not established
established
<2> Execute the axis 1 "positioning data No. 10, 11, 12, and 50" and stop the
control.
Da.11
Da.12
Shape
Start data No.
1: Continue
1
1: Continue
10
0: End
50
Da.1
Operation pattern
01: Continuous positioning control
01: Continuous positioning control
00: Positioning complete
11: Continuous path control
11: Continuous path control
00: Positioning complete
00: Positioning complete
Execute positioning data No. 1, 2, and 3
Control stops (waits) until conditions are
Go to <1>.
10 - 11
MELSEC-Q
Da.14
Da.12
Start data No.". If the
Da.13
Da.14
Special start
Parameter
instruction
2: Wait start
0: Block start
0: Block start
3
–
–
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Troubleshooting
