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International Packaging Conclave 2012
Nestlé and B&R promote open technology standards for packaging lines
Consistency & transparency for greater efficiency - PackML
During the central panel discussion on the role of open technology in the future of packaging line automation, Dr. Bryan Griffen, Electrical & Automation Engineering Manager at Nestlé and chairman of the OMAC Packaging Workgroup (OPW), spoke about the key benefits that embracing a technology standard like PackML could bring to end users, OEMs and system integrators.
Griffen recalled Nestlé's realization that dictating a single automation supplier for an entire packaging line is neither practical nor feasible, and that the best results are obtained when machine builders use the technology that best suits their needs. "At the same time," said Griffen, "we still need to be able to integrate these machines to create a functional packaging line."
OMAC guidelines like the PackML standard establish functional specifications and preferred suppliers rather than proprietary brand specifications. This gives machine builders the freedom to select whatever technology best meets their requirements, while allowing end users to easily and fully integrate the machines on the line. "By going with international standards like PackML, you can get consistent information and a common look and feel over installed lines as well as new installations, even using disparate automation technologies," concluded Griffen, inviting his fellow Packaging Conclave attendees to become corporate members of OMAC and join him on the OMAC Packaging Workgroup.
Ending the "fieldbus wars" with openSAFETY
Maurizio Tarozzi, Global Technology Manager for Packaging Solutions at B&R, explained how openSAFETY, the first open and the only bus-independent safety standard for all Industrial Ethernet solutions, can take packaging line integration and effectiveness a step further. Presenting a case study featuring a complete beverage line for filling water into plastic bottles, Tarozzi illustrated how openSAFETY is able to transfer safety data such as E-stop button activation, light curtain violations, etc. between disparate PLC technologies used throughout a single packaging line.
"Safety networks can provide a new level of integrated safety and diagnostics," pointed out Griffen in the Q&A session that followed. However, with industrial bus organizations each proposing their own safety network, Griffen sees openSAFETY - an IEC-compliant protocol that can run on the application layer of any major network - as a potential solution to what have been dubbed the "fieldbus wars".
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