Not an answer to the whole thing, but Modbus RTU devices can’t talk to any cloud by themselves, something on site has to poll them. So you need a box on site either way. You’re really choosing which box.
Not an answer to the whole thing, but Modbus RTU devices can’t talk to any cloud by themselves, something on site has to poll them. So you need a box on site either way. You’re really choosing which box.