Circuit arrangement including a self-diagnosis system for...

Details Circuit arrangement including a self-diagnosis system for... Circuit arrangement including a self-diagnosis system for...

2006-06-14

2008-12-09

Tsai, Carol S (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C702S057000, C702S059000, C702S060000, C323S237000, C323S239000, C363S098000, C714S030000, C330S010000, C330S251000

Reexamination Certificate

active

07463984

ABSTRACT:
A circuit arrangement for triggering and monitoring a load which is connected in the shunt arm of a bridge circuit, including a control circuit for triggering switch elements S1to S4of the bridge circuit and a self-diagnosis system for testing the load connections, wherein the self-diagnosis system consists ofa self-diagnosis circuit including a storage element for storing electrical charges, said circuit being linked to a signal connection of the control circuit, which signal connection is switchable as input or output, and to a load connection, anda self-diagnosis program which is stored in a memory of the control circuit and switches the signal connection to output during a first phase of the test in order to charge the storage element and switches the signal connection to input during a second phase of the test in order to capture the charge status of the storage element.

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