Interactive diagnostic system

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Details

364184, 364185, G05B 104

Patent

active

056086571

ABSTRACT:
A diagnostic system for rapidly trouble-shooting safety system induced shutdowns of production facilities such as combustion systems. A passive monitoring interface apparatus is mounted at the combustion system which includes a detector network coupled with the power source of the combustion safety system itself to provide an interface output condition representing the circuit status of each electrical contact. An identifier component is incorporated in the interface apparatus along with a connector assembly. The detector network may be manually programmed utilizing a terminal strip and jumpering to accommodate it to wide range of safety system circuit architecture. The apparatus further includes a connector for coupling via flexible cable with a portable interrogator assembly which is microprocessor driven and incorporates non-volatile memory retaining the configuration data associated with each numerically identified interface apparatus. A line technician carries this interrogator assembly to the vicinity of such interface apparatus for trouble-shooting purposes. The memory retained configuration data is utilized to configure the interrogator assembly for each facility and the assembly further includes a modem-based telecommunications capability such that the data may be downloaded to a remote consulting expert. The expert may communicate with the line technician by altering the communication system from a data transfer mode to a voice mode.

REFERENCES:
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patent: 4957690 (1990-09-01), Fennern
patent: 5363047 (1994-11-01), Dresti et al.
patent: 5410469 (1995-04-01), Sakamoto et al.
"7800 Series Burner Control", Rev. Oct. 1992, Honeywell, Inc.
"Q7700 Communication Interface Base Unit", Rev. Nov. 1991, Honeywell, Inc.
"Tele-Fault II Form 8966 First-Outage Fault Finder", Protection Controls, Inc.

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