Systems that have been tailored for end users frequently fall apart as soon as another manufacturer's equipment is added to the system. All automation manufacturers should be compelled to supply products capable of supporting a broad range of interfaces. Only then can end users be assured of any degree of future proofing.
Interoperability, which is what integrated automation should be about, relies on any make of equipment working with any other via a common interface. Surely then, truly open vendors would welcome supporting all interfaces.
It is not an impossible dream. Yaskawa Electric supplies all its mechatronic drives with seven discrete interfaces as standard. Would a more open approach place too much emphasis for vendors on delivering the best technology, service and support to retain customer loyalty?
Source
Electrical and Mechanical Contractor
Postscript
John Pogson, Yaskawa Electric Europe, Germany
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