Network active I/O module with removable memory unit
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United States of America Patent
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N/A
Issued Date -
Mar 25, 2004
app pub date -
Sep 16, 2003
filing date -
Sep 20, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An Active Input/Output (I/O) Module forming a node of an industrial control network includes a housing for mounting a plurality of input and/or output serial data bus connectors, input and output device data connectors, and main and auxiliary power connectors, if desired. A programmed microprocessor unit is housed within the housing for controlling data and communication with a system main Programmable Logic Controller, or equivalent. A portion of the memory associated with the microprocessor for storing data specific to the node represented by the I/O module comprises a Removable Memory Unit, thus permitting the I/O module to be replaced upon failure with a new I/O module capable of receiving the Removable Memory Unit to re-constitute the I/O module without having to re-program the node-specific data on site.
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