Mitsubishi FX0N-232ADP User Manual page 8

Sequence program
Operation
Power on
X000,ON
RS instruction
drive
X001,ON
Data send
Personal
computer
operation
Data send
Turn on the power of the PC and printer, check the printer is on
line and switch the PC to RUN.
Turn on X000, and drive RS instruction.
Every time X001 is turned on, the contents of D200 to D210 are
sent to the personal computer, and "test data" is displayed.
After receiving and storing data from personal computer in D211,
it is output to Y000 to Y017. When input X002 is turned on, the
receive completion flag is reset.