How can the devices be controlled (red-y smart series)? How can the devices be controlled (red-y smart series)? What is required to let the smart series communicate to a PC? How large is the impact, when the operating conditions change? (pressure and temperature) Posted by vogtlin in The measuring and regulating parameters of the red-y smart series can be read out or controlled in an analog, manual and digital manner. Share this article: About vogtlin