Method and device for functional monitoring of an electrical loa

Details Method and device for functional monitoring of an electrical loa Method and device for functional monitoring of an electrical loa

1994-09-20

1995-07-04

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

340870190, 73119A, 364483, 324522, G05B 2302, G08C 1916, G01M 1500, G01R 3102

Patent

active

054304385

ABSTRACT:
A method for functional monitoring of an electrical load, controlled by a control circuit, provides that defects in the load are detected by comparison of a signal which is used to control the load and a status signal which is passed back to the control circuit from the load. A short-circuit to ground or to the supply voltage and a cable failure can be confirmed by logical evaluation of the signals before, during and after a switching event. In this case, it is possible to differentiate between the individual defect cases.

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