Inductive, capacitive and passive IR sensors: what’s the difference?

Whether they’re used for position detection on gantries, for detecting parts for assembly or for innumerable other cases, the use of non-contact presence sensors has been a mainstay of industrial controls since the development of the first versions in the 1950s. In this episode of Control Intelligence, written by contributing editor Joey Stubbs, editor in chief Mike Bacidore discusses non-contact presence sensing technologies.