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MELSEC-
A
9 PROGRAM EXAMPLES
(1) Main program
Confirm R2 data link state
R2 initialization
Data transmission (Transmission data :ABCDEF)
Data reception
Reset data reception
enable flag
Reset reception read
complete
Set reception read
complete
Data reception process
(read data)
Data reception process
(read data size)
Set data reception
enable flag
Reset transmission
request
Reset data transmission
flag
Set transmission request
Set transmission data
Set data transmission flag
Complete initialization
Set the error
occurrence flag
Reset initialization request
Set initialization request
Set initialization data write
complete flag
Set transmission timeout
time
Set reception timeout time
R2 data link error
R2 data link normal
Read R2 data link state
(SW0080)
Error LED
Transmission SW