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MELSEC-
A
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
6.5 Positioning program examples
6.5.1 When using FROM/TO command with ACPU/QCPU-A (A mode)
An example of the program for using the FROM/TO command with the ACPU/QCPU-A
(A mode) when using the buffer memory automatic update function is shown below.
[No. 1] to [No. 2] parameter and data setting program
* When setting the parameters or data with the sequence program, set them in the D75P2 using the
transient transmission.
* When setting the parameters or data with the AD75 software package, the [No. 1] to [No. 2]
program is not necessary.
*Create the [No. 2] program by changing the access target buffer memory of the [No. 1] program.
*
*Master module initialization program
*
*
*Remote input (RX) reading program
*
Convert Initialization
command into pulse
No. of connected
modules: 1 module
Write to master station
D75P2 station
information
Write to master station
Write to master station
Set transmission buffer
size
Set reception buffer
size
Set automatic update
buffer size
Refresh indication
Start data link with
buffer memory
Turn start request signal
OFF when normal
Read parameter state
when abnormal
Turn start request
signal OFF
Change to bank 0
Read RXn0 to RX(n+7)F