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Re: Need help with Hitachi CPM-E3

Sami Khan
If you connect your F2-20GF1 to the FX1-48MR, you then need the PCX-KIT1 to connect to your laptop. The F2-20GF1 simply converts the protocol in the PLC, to RS485 (I believe), but mainly just provides a DB25 port to which you can connect a serial device (or a old technology HMI).
The PCX-KIT1 converts the RS485 (or RS422) to RS232C suitable for your laptop. But it also provides power via a small 12VDC (wall type) transformer. The F2-20GF1 uses power from the PLC but provides no power for the PCX-KIT1 Interface. Therefore it has to supply its own power, as it cannot get that from the PC side either.
To the best of my knowledge, the familiar “red cable” (which some call “the red dog with a pup on a leash”) will NOT work, as it does not provide the needed power. It is for that reason that the Mitsubishi techs at Vernon Hills came up with the PCX-KIT1.
If you find different information, please let me know so that I can share it with others.
Best Regards,
Timothy D.

Category: (VFD/PLC/HMI) hitachiplc@hotmail.com,3