Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1999-09-10
2000-12-05
Hofsass, Jeffery A.
Communications: electrical
Condition responsive indicating system
Specific condition
340522, 702185, 702187, 701 35, G08B 2100
Patent
active
061573108
ABSTRACT:
The present invention provides a monitoring system (30) for monitoring operation of dynamic plant apparatus (10, 100). Electronic processing means (31, 32, 33) is provided for processing the electrical parameter signals provided by sensors (11-15) and is capable of thereby producing a plurality of different fault signals. Display means (34) is provided for displaying fault information to a user of the monitoring system (30), the display means (34) being controlled by the fault signals produced by the electronic processing means (31, 32, 33). The electronic processing means (31, 32, 33) compares the values of at least some of the measured parameter signals with limit values stored in memory by the electronic processing means (31, 32, 33) and when the comparison shows that the value of a measured parameter signal is outside the respective limit value the electronic processing means (31, 32, 33) produces a respective basic fault token signal. There are storage means with a plurality of different storage sites, each storage site having a plurality of storage locations for a different predetermined variety of basic fault token signals. When all storage locations of a storage site are filled by basic fault token signals then the electronic processing means (31, 32, 33) produces a high level fault signal, causing the display means (34) to display a fault message.
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Milne Robert William
Nicol Charles Jarvis
Hofsass Jeffery A.
Huang Sihong
Intelligent Applications Limited
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