hello everyone ,
i want to connect arduino megh2560 with panasonic fp0r c14rs plc for my project. after than i want to send string from plc to arduino or vice versa . and display data on arduino lcd display.
can any one help me how it works ?
i have make connection like this.
ttl to rs 232 converter rs232 cable with plc tx rx rx tx gnd gnd
thank you .