Inverter FR-A700 Mitsubishi has an integrated PLC function but I don't know how update programme from GX Developer to PLC in Inverter. I used cable RS 485 but GX Developer appear error. Sorry i don't good English
You need a cable RS485-RS232 (sc-frpc) made by BEIJER ELECTRONICS. Also, some settings must be done, check PLC Function Programming Manual, available at meau.com