Alarm processing apparatus

Details Alarm processing apparatus Alarm processing apparatus

1994-08-30

1997-06-17

Hofsass, Jeffery

Communications: electrical

Condition responsive indicating system

With particular system function

340508, 340511, 34082506, 340933, G08B 2900

Patent

active

056401400

ABSTRACT:
The alarm processing apparatus has fault detection means which detect faults with regard to specific individual items, and which are provided in constituent elements, which have redundancy; fixed fault detection means which determine the individual frequencies of occurrence of the faults detected by the fault detection means and which detect fixed faults related to the individual items, based on the relative magnitude of the frequencies with respect to the allowable maximum fault occurrence frequencies for those items; and selection means which by means of a system configuration command and at a timing which is delayed to longer than the response time of the fixed fault detection means, outputs an alarm for either the faults detected by the fault detection means in response to the system configuration command or the fixed faults detected by the fixed fault detection means.

REFERENCES:
patent: 4853685 (1989-08-01), Vogt
patent: 4956637 (1990-09-01), Vogt

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