RS485 relay configuration STM8S103F3

Hardware
1

Hi everybody,

I’m trying to configure this RS485 relay https://www.amazon.it/dp/B07D9M9KZV?ref=ppx_yo2ov_dt_b_fed_asin_title using this USB adapter Greluma 2 Pcs Adattatore convertitore da USB a RS485 CH340 Chip 64-bit Adatto per Windows 7/8/Vista/MacOS/Linux : Amazon.it: Informatica without any success. Has anyboby succeeded in this?

2

Which integration are you using?

3

modbus integration . There’s no documentation coming with the relay. I don’t know what are the commands and address to use.

4

Then we can’t help.