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MELSEC-Q
6 DATA COMMUNICATION USING THE NON PROCEDURE PROTOCOL
Q series C24
Receive data
clear request
(address: A8
H
)
Programmable
controller
CPU (Program)
TO instruction
(Write "1" to address A8H)
"0" "1" "0"
Send request
execution disabled
Receive
data clear
processing
(2)
Dedicated instruction
for sending execution
disabled, too
(3)
(1)
(Example) The following is an example program for clearing received data with the FROM/TO instructions while
send/receive processing is performed using dedicated instructions (OUTPUT/INPUT).
( 1)
( 1)
( 1)
OUTPUT
in exection
INPUT
in exection
1 Add the dotted line portion to the sequence program when the function version
A Q Series C24 is used. (Carry out communications when M19 is ON.)
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