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JPS52146653A - Fault detecting apparatus of plant condition detectors - Google Patents

Fault detecting apparatus of plant condition detectors

Info

Publication number
JPS52146653A
JPS52146653A JP6370976A JP6370976A JPS52146653A JP S52146653 A JPS52146653 A JP S52146653A JP 6370976 A JP6370976 A JP 6370976A JP 6370976 A JP6370976 A JP 6370976A JP S52146653 A JPS52146653 A JP S52146653A
Authority
JP
Japan
Prior art keywords
detecting apparatus
fault detecting
plant condition
condition detectors
plant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6370976A
Other languages
Japanese (ja)
Inventor
Naganobu Honda
Toshihiko Azuma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6370976A priority Critical patent/JPS52146653A/en
Publication of JPS52146653A publication Critical patent/JPS52146653A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To detect faults even when the fault output of a detector assumes an intermediate value and make possible the treatment of abnormality without stopping the plant by detecting the output signal of the detector as a change rate through incomplete differentiation.
COPYRIGHT: (C)1977,JPO&Japio
JP6370976A 1976-05-31 1976-05-31 Fault detecting apparatus of plant condition detectors Pending JPS52146653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6370976A JPS52146653A (en) 1976-05-31 1976-05-31 Fault detecting apparatus of plant condition detectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6370976A JPS52146653A (en) 1976-05-31 1976-05-31 Fault detecting apparatus of plant condition detectors

Publications (1)

Publication Number Publication Date
JPS52146653A true JPS52146653A (en) 1977-12-06

Family

ID=13237163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6370976A Pending JPS52146653A (en) 1976-05-31 1976-05-31 Fault detecting apparatus of plant condition detectors

Country Status (1)

Country Link
JP (1) JPS52146653A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789197A (en) * 1980-11-25 1982-06-03 Tokyo Shibaura Electric Co Detecting circuit for trouble

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789197A (en) * 1980-11-25 1982-06-03 Tokyo Shibaura Electric Co Detecting circuit for trouble

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