Posted 9 Jun 2019 Hello ! I am new to the forum and in the world of PLCs, I need to make a small home project and I have bought a PLC with the denomination FX3U-32MT-3V3I-8O100K-K-1 in e-bay (see attached picture) The seller does not provide operation scheme, he says that to program it, gx developer can be used. I have GX version 8 installed on my laptop. The PLC has an RS-232 port and I use a usb adapter of the ugreen DB brand. Serial adapter cable with the Prolific PL2303 chipset. My problem is the communication between the GX developer and the PLC, when I make a connection test I see the error 01808201. I do not know ho to configure it or what type or series it is, i do not know withc cable to use, or whatever i'm doing wrong If someone can point me in the right direction, I will be very gratefull!!! Greetings from Barcelona! Joan Share this post Link to post Share on other sites
Posted 9 Jun 2019 http://www.plctalk.net/qanda/showthread.php?t=113901 The above thread may help you out. Regards, Garry Share this post Link to post Share on other sites
Posted 9 Jun 2019 i'll will read all to see if i can find the solution thanks Garry! Joan Share this post Link to post Share on other sites
Posted 9 Jun 2019 Please make sure your posts are in correct forum section and - this is the right one for Mitsubishi and co. FX series is a compact line of Mitsubishi PLCs. Internet is swarming with offers for open frame clones like this. Originals are packaged in a box. Either way you should be able to pick this from the menu by changing family from Q to FX. Q-series CPUs are "big brothers" and this product does not belong to that family... Share this post Link to post Share on other sites
Posted 10 Jun 2019 You've decided that the programming port is RS232, because you see the connector DB9F, while in the description to the PLC at all its sellers is said that the port is RS485. And you must know its pinout. Share this post Link to post Share on other sites
Posted 10 Jun 2019 You have to select FXCPU not QCPU Share this post Link to post Share on other sites
Posted 10 Jun 2019 ok future , thanks. I just ordered a new cable usb-RS485, so i hope this will solve it. thanks to everybody! Share this post Link to post Share on other sites
Posted 12 Jun 2019 BTW that's definitely not a Mitsubishi FX3U. Some knockoff product. Mitsubishi PLCs come in a plastic case with screw terminals, not as an exposed circuit board with Phoenix Contact terminal blocks. Share this post Link to post Share on other sites