Method of testing an external potentiometric sensor and its connecting cable in a control or regulation device

作者: Bernd Piller , Bernhard Kant

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摘要: The method involves switching in an impedance between the signal line and a reference potential, pref. one of supply lines to potentiometer (1-8), monitoring and/or evaluating sensor output out impedance. associated arrangement uses resistance (13) series with electronically actuated switch (12) as An Independent claim is also included for device testing potentiometric control or regulation device.

参考文章(4)
Zydek Michael, Engelmann Mario, Zinke Olaf, Fey Wolfgang, Schaltungsanordnung zur Fehlerstromerkennung ,(1996)
Wolfgang Dipl Ing Stehr, Klaus Dipl Ing Rathjen, Method and circuit for fault recognition in resistor measuring bridges ,(1993)