The Mitsubishi FX3U series interface module is an FX programming port USB to RS422 converter. It allows you to use bridge or connectivity between the PC and serial port interface. This product is used with FX series. It has three LEDs shows, power is correctly supplied(PW), sending data(SD) and receiving data (RD). The flash ROM modules in 16kB and 64kB sizes with a program loader version of the 64k are to allow program transfer to/from PLC's. Programming cables and batteries are also available.
Note
Compatible with FX3U units only
Mitsubishi FX3U:
FX3U CPUs are compatible with the existing FX2N expansion modules as well as the new FX3U ADP expansion modules and may be used as a replacement for FX2N PLCs.
Inquiry - FX-USB-AW