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10
ADVANCED POSITIONING CONTROL
10.5 Starting advanced positioning control
10.5.1 Starting advanced positioning control
PLC
Master
CPU
module
1) Set "7000" in "Positioning start No.(RWwm)".
(This establishes that the control as "advanced positioning control" using start block data.)
2) Turn ON the start signal.
3) The positioning data set in the "1st point start block data" is started.
To execute advanced positioning control, a sequence program must be created to start
the control in the same manner as for main positioning control.
The following shows the procedure for starting the "1st point start block data"
(regarded as block No. 7000) set in axis 1.
D75P2
Remote registers
RWwm
1)
Buffer memory
7000
1178
2) ON
Remote Input/output
RY
(n+1)0
Fig. 10.2 Advanced positioning control start procedure
3)
Control by designated
positioning data
0
* When carrying out a positioning start with the
next scan after a positioning operation is
completed, input signal RXn1 as an interlock
so that the start is carried out once the RXn1
signal turns OFF after the RY(n+1)0 signal
turns OFF.
10 - 20
MELSEC-A
Drive unit
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