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OMAC meeting: more than motion control

End users and machine builders alike are beginning to see OMAC (Open Modular Architecture Controls) as a way to standardize on several packaging machine control technologies beyond just motion.

Keith Campbell, Hershey Foods
Keith Campbell, Hershey Foods

That became clear at the most recent OMAC Motion for Packaging meeting. Held in November at Pack Expo Intl. 2000 in Chicago, the meeting also revealed that educators are keen to participate. Also at the meeting, each of the working group’s subcommittees issued progress reports, which were covered in part one of this report (see Packaging World, Dec. ’00, p. 30, or packworld.com/go/omacpe 2000). Meeting attendee Chris Sullivan from coding/marking supplier Markem Corp. (Keene, NH) asked whether OMAC is too focused on motion control. Another audience member, Fred Putnam of Labtech (Andover, MA), a supplier of data acquisition/process control software, said his interest was more in peer-to-peer and peer-to-enterprise (from the packaging line to the corporate information systems) network connectivity vs motion. He asked if there were any relevant application programming interfaces (APIs) specific to packaging. The response came from Bob Martell, motion control technology leader at Procter & Gamble and chair of the OMAC packaging working group’s connectivity/architecture subcommittee. He affirmed that his subcommittee was indeed looking at the whole connectivity picture, not just motion. “My committee’s work has focused on the packaging automation system as a whole, from enterprise [corporate information systems] down to the device level, so connecting to a bar-code machine would happen at an intelligent device-level or peer-to-peer network,” Martell said. Regarding packaging-specific APIs, Keith Campbell, chairman of the packaging working group, didn’t envision a packaging-specific API. “I encourage the larger OMAC group to think about that, but I’m not sure we want to develop [an API] for packaging, a different one for discrete [control] and a different one for process [control].” Another audience member asked about the integration of machine vision in APIs. “I don’t think there’s anything for vision in the existing OMAC APIs, but that would be a good extension,” responded Jay Clark, who leads the programming languages/API subcommittee. Clark, who is from controls software supplier Roy-G-Biv (Bingen, WA), added, “Right now [the programming languages/API subcommittee] is just focusing on motion.”

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