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MELSEC-
A
10 ADVANCED POSITIONING CONTROL
Start time chart
The following chart shows a time chart in which the positioning data 1, 2, 10, 11,
and 12 of axis 1 are continuously executed as an example.
(a) Start block data setting example
Axis 1 start
block data
Da.10
Shape
Da.11
Start
data No.
Da.12 Special
start command
Da.13
Parameter
1st point 1: Continue 1 0: Normal start –
2nd point 0: End 10 0: Normal start –
(b) Positioning data setting example
Axis 1 position-
ing data No.
Da.1
Operation pattern
1 01: Continuous positioning control
2 00: Positioning complete
10 11: Continuous path control
11 11: Continuous path control
12 00: Positioning complete
(c) Start time chart
[RY(n+1)0]
Remote station READY signal
D75P2 READY signal
[RXn1]
[RXn4]
Positioning complete signal
V
t
Error detection signal
Positioning data No.
12(00)
Operation pattern
1(11)
1st point [buffer memory address 4300]
2nd point [buffer memory address 4301]
11(11)
10(11)
2(00)
7000
1
-32767
10
(8001
H
)
(000A
H
)
Positioning start No.
Cd.31 Positioning starting point No.
Positioning start signal
[RXn0]
Start complete signal
BUSY signal
[RXnA]
[RXn7]
[RX(n+7)B]
[RWwm]
Dwell time
Dwell time
Fig. 10.3 Start time chart for advanced positioning control (block start)