Video process monitoring

摘要

This shortened article introduces the topic of video process monitoring. In the complete article - available at www.longwatch.com/solutions /whitepapers.php - the author discusses additional benefits and highlights the technologies available. There are three primary ways to enjoy a baseball game: view it in person, watch it on TV or listen to it on the radio. We've probably all used each of these methods at one time or another; some fans even combine a couple of methods such as bringing a radio to the game to hear the announcers describe what they are seeing. Maybe they don't trust their own interpretation of what they see, and need to have it explained. That's like watching readouts on an HMI screen - what's really happening out there? Why not cut to the chase and see what's going on? Today, there are two primary ways to monitor a process: in person, by walking around the plant, or from a control room via an HMI screen. But there is a third way: Watching the process via camera monitors that put images directly on the HMI screen (Figure I).