Automatically configurable multi-purpose distributed control processor card for an industrial control system
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United States of America Patent
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Oct 6, 1998
Grant Date -
N/A
app pub date -
Feb 29, 1996
filing date -
Feb 29, 1996
priority date (Note) -
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Abstract
A configurable distributed control processor card for use in an industrial process control system is described. The configurable distributed control processor card includes configuration determination logic for designating a particular intended distributed control processor card configuration based upon a signal, originating from an external bus, sensed on one or more input pins to the configurable card. The configuration determination logic specifies one of a set of distributed control processor card configurations based upon the sensed signal. A configurable distributed control processor card also includes card configuration logic. Based upon the specified configuration, a control program is selected from a set of control programs associated with the distinct ones of the set of distributed control processor card configurations. Furthermore, the input leads to the configurable distributed control processor card are selectively routed to inputs of a processor mounted upon the configurable distributed control processor card.
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