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Manufacturing Automation Protocol (MAP) was a
computer network standard released in 1982 for
interconnection of devices from multiple
manufacturers. It was developed by General
Motors to combat the proliferation of incompatible
communications standards used by suppliers of
automation products such as programmable
controllers. The standard was revised several
times between the first issue in 1982 and MAP 3.0
in 1987, with significant technical changes that
made interoperation between different revisions
of the standard difficult.
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