Mitsubishi Electric MELSEC FX Series - Page 113

FX communication
RS instruction 9
9-11
9
3 ) Use normal mode 1 of control line
Reset using a program.
When it is not trurned off, the next data
cannot be received.
Data 1
OFF
OFF ON
ON
Data 4
OFF ON
RS instruction
driving
Send data
SD (TXD)
ER(DTR)
ON
Receive
completion
M8123
OFF ON
Data 2 Data 3
Receive data
RD (RXD)
OFF ON
Send request
M8122
DR(DSR)