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10 HIGH-LEVEL POSITIONING CONTROL
Positioning start signal
PLC READY signal
QD75 READY signal
Start complete signal
BUSY signal
Positioning complete signal
Error detection signal
1st point [buffer memory address 26000]
2nd point [buffer memory address 26001]
Start time chart
The following chart shows a time chart in which the positioning data No. 1, 2, 10,
11, and 12 of axis 1 are continuously executed as an example.
(1) Block start data setting example
Axis 1 block
start data
1st point
2nd point
(2) Positioning data setting example
Axis 1 position-
ing data No.
1
2
10
11
12
(3) Start time chart
V
Operation pattern
Positioning data No.
[Y10]
[Y0]
[X0]
[X10]
[XC]
[X14]
[X8]
Cd.3 Positioning start No.
Cd.4 Positioning start point No.
Fig. 10.3 Start time chart for high-level positioning control (block start)
Da.11
Da.12
Shape
Start data No.
1: Continue
1
0: End
10
Da.1
Operation pattern
11: Continuous path control
00: Positioning complete
11: Continuous path control
11: Continuous path control
00: Positioning complete
1(11)
2(00)
10 - 25
MELSEC-Q
Da.13
Special start
instruction
0: Block start
0: Block start
Dwell time
10(11)
11(11)
12(00)
7000
1
-32767
(8001
)
H
10
(000A
)
H
Da.14
Parameter
–
–
Dwell time
t
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Troubleshooting
