アプリケーションノート 843

Industrial 0V to +10V Digital Potentiometer

筆者: Phill Leyva

要約: AC and DC motors in modern industrial systems are often controlled via programmable logic controllers (PLCs) where an industrial mechanical potentiometer controls the motor speed. The wiper of these potentiometers can become worn over a period of time. This article discusses a simple circuit using few solid-state surface mount devices. It uses a digital potentiometer to achieve the same performance, eliminates problems with wiper contacts wearing out, and saves money in the long run.