DIAGNOSTIC SYSTEM FOR A MODULAR FIELDBUS BOARD
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United States of America Patent
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app pub date -
Feb 26, 2010
filing date -
Oct 3, 2003
priority date (Note) -
Abandoned
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Abstract
A diagnostic system for a modular fieldbus board carrying a number of fieldbuses connected to a bulk power supply. A monitoring transceiver means is adapted in use to one or more of the number of fieldbuses by means of two or more common mode and/or differential mode signal injection and/or signal detection points, which points are dispersed between the bulk power supply and the fieldbus trunk. The monitoring transceiver means can detect one or more fieldbus physical layer characteristics between two of the two or more of said points.
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