JPS52120857A - Malfunction detector for many parallel drive devices - Google Patents

Malfunction detector for many parallel drive devices

Info

Publication number
JPS52120857A
JPS52120857A JP3717076A JP3717076A JPS52120857A JP S52120857 A JPS52120857 A JP S52120857A JP 3717076 A JP3717076 A JP 3717076A JP 3717076 A JP3717076 A JP 3717076A JP S52120857 A JPS52120857 A JP S52120857A
Authority
JP
Japan
Prior art keywords
drive devices
many parallel
parallel drive
malfunction detector
malfunction
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
JP3717076A
Other languages
Japanese (ja)
Inventor
Seiji Yasunobu
Makoto Nomi
Nobuyuki Fujikura
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 JP3717076A priority Critical patent/JPS52120857A/en
Publication of JPS52120857A publication Critical patent/JPS52120857A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To reproduce the conditions and search the causes by comparing the signal levels of respective detectors and their mean level to detect the malfunction promptly and memorize the maintenance data.
COPYRIGHT: (C)1977,JPO&Japio
JP3717076A 1976-04-05 1976-04-05 Malfunction detector for many parallel drive devices Pending JPS52120857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3717076A JPS52120857A (en) 1976-04-05 1976-04-05 Malfunction detector for many parallel drive devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3717076A JPS52120857A (en) 1976-04-05 1976-04-05 Malfunction detector for many parallel drive devices

Publications (1)

Publication Number Publication Date
JPS52120857A true JPS52120857A (en) 1977-10-11

Family

ID=12490114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3717076A Pending JPS52120857A (en) 1976-04-05 1976-04-05 Malfunction detector for many parallel drive devices

Country Status (1)

Country Link
JP (1) JPS52120857A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55119012A (en) * 1979-03-08 1980-09-12 Komatsu Ltd Data effectiveness or ineffectiveness discriminator and data processor
JPS5789190A (en) * 1980-11-21 1982-06-03 Tokyo Shibaura Electric Co Recording device for data of plant
JPS57155484U (en) * 1981-03-26 1982-09-30
JPS57203198A (en) * 1981-06-10 1982-12-13 Fuji Electric Co Ltd Multiplexing measuring system
JPS5818798A (en) * 1981-07-24 1983-02-03 株式会社日立製作所 Sensor checking apparatus
JPS58169300A (en) * 1982-03-31 1983-10-05 新キャタピラ−三菱株式会社 Operation monitor system
JPS59183481A (en) * 1983-04-04 1984-10-18 株式会社デンソー Display for production pace in production line
JPS6039287A (en) * 1983-08-13 1985-03-01 新キャタピラ−三菱株式会社 Operation recording/abnormality detection recorder for heavy-duty machine
JPS62194467A (en) * 1986-01-31 1987-08-26 Shin Meiwa Ind Co Ltd Current sensor
JPH01163614A (en) * 1987-12-21 1989-06-27 Yamatake Honeywell Co Ltd Sensor signal processing method
JPH027524U (en) * 1988-06-30 1990-01-18

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55119012A (en) * 1979-03-08 1980-09-12 Komatsu Ltd Data effectiveness or ineffectiveness discriminator and data processor
JPS5789190A (en) * 1980-11-21 1982-06-03 Tokyo Shibaura Electric Co Recording device for data of plant
JPH0126006B2 (en) * 1980-11-21 1989-05-22 Tokyo Shibaura Electric Co
JPS57155484U (en) * 1981-03-26 1982-09-30
JPH0117087B2 (en) * 1981-06-10 1989-03-29 Fuji Electric Co Ltd
JPS57203198A (en) * 1981-06-10 1982-12-13 Fuji Electric Co Ltd Multiplexing measuring system
JPS5818798A (en) * 1981-07-24 1983-02-03 株式会社日立製作所 Sensor checking apparatus
JPS58169300A (en) * 1982-03-31 1983-10-05 新キャタピラ−三菱株式会社 Operation monitor system
JPH0261069B2 (en) * 1982-03-31 1990-12-19 Caterpillar Mitsubishi Ltd
JPS59183481A (en) * 1983-04-04 1984-10-18 株式会社デンソー Display for production pace in production line
JPS6244311B2 (en) * 1983-08-13 1987-09-19 Kyatapiraa Mitsubishi Kk
JPS6039287A (en) * 1983-08-13 1985-03-01 新キャタピラ−三菱株式会社 Operation recording/abnormality detection recorder for heavy-duty machine
JPS62194467A (en) * 1986-01-31 1987-08-26 Shin Meiwa Ind Co Ltd Current sensor
JPH01163614A (en) * 1987-12-21 1989-06-27 Yamatake Honeywell Co Ltd Sensor signal processing method
JPH027524U (en) * 1988-06-30 1990-01-18

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