The role of MAP in factory integration
Schutz, H.A.
GE Fanuc Automation North America Inc., Charlottesville, VA;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Feb 1988
Volume: 35,
Issue: 1
On page(s): 6-12
ISSN: 0278-0046
References Cited: 0
CODEN: ITIED6
INSPEC Accession Number: 3130946
Digital Object Identifier: 10.1109/41.3056
Current Version Published: 2002-08-06
Abstract
The interplay of technology and market factors surrounding the
manufacturing automation protocol (MAP) is examined. A four-tier
hierarchical industrial communications model is presented and MAP is
positioned within it. Several events and decisions during the evolution
of MAP are identified as having had unusually far-reaching effects in
terms of the way MAP is being used. It is asserted that MAP will play a
key role in factory-wide networking, but nonstandard networks are still
widely used where standards fail to address special requirements of
performance or function. The effect that the development of real-time
versions of MAP-like networks will have on factory communications is
described. The central issue in such real-time networks is to provide
both the responsiveness required by the application and the services
required for wide connectivity among devices. The impetus to embrace MAP
is yielding network designs different from ones based solely on
technical considerations. Two case studies are presented to discuss the
technical, administrative, and economic factors surrounding early MAP
usage
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