JPS55116150A - Fault detection system for processor - Google Patents

Fault detection system for processor

Info

Publication number
JPS55116150A
JPS55116150A JP2271279A JP2271279A JPS55116150A JP S55116150 A JPS55116150 A JP S55116150A JP 2271279 A JP2271279 A JP 2271279A JP 2271279 A JP2271279 A JP 2271279A JP S55116150 A JPS55116150 A JP S55116150A
Authority
JP
Japan
Prior art keywords
unit
data
processor
processors
patterns
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
JP2271279A
Other languages
Japanese (ja)
Inventor
Takakatsu Miyoshi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2271279A priority Critical patent/JPS55116150A/en
Publication of JPS55116150A publication Critical patent/JPS55116150A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To obtain a fault supervisory system which does not require any special control bus by sending fixed data from a supervisory unit to processors via a signal bus at constant intervals, and then by discriminating sent-back data from respective processors.
CONSTITUTION: Between supervisory unit SP and processors P0, P1...Pn, data of a special pattern are transferred at constant intervals via signal bus BUS. As for data patterns, there are two kinds of patterns, a pattern of which a processor when receiving data A from unit SP sends back the received signal A as it is to unit SP and that of which the processor sends back data B received from unit SP to unit SP by converting to data C. Unit SP sends two patterns in the order of processors P0→P1...Pn→P0→P1 and when the sent-back data is any othe one than A and C, the processor is judged to be abnormal to display that on fault information display unit DSP.
COPYRIGHT: (C)1980,JPO&Japio
JP2271279A 1979-02-28 1979-02-28 Fault detection system for processor Pending JPS55116150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2271279A JPS55116150A (en) 1979-02-28 1979-02-28 Fault detection system for processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2271279A JPS55116150A (en) 1979-02-28 1979-02-28 Fault detection system for processor

Publications (1)

Publication Number Publication Date
JPS55116150A true JPS55116150A (en) 1980-09-06

Family

ID=12090435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2271279A Pending JPS55116150A (en) 1979-02-28 1979-02-28 Fault detection system for processor

Country Status (1)

Country Link
JP (1) JPS55116150A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57166458U (en) * 1981-04-13 1982-10-20
JPS62200431A (en) * 1986-02-27 1987-09-04 Nec Corp Processor aliveness or death identification system in distributed processing system
JPS63183254A (en) * 1987-01-15 1988-07-28 ローベルト・ボッシュ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Monitor for computer system with two processor
JPH0227442A (en) * 1988-07-15 1990-01-30 Nec Corp Fault detecting system
JPH0484336A (en) * 1990-07-27 1992-03-17 Nec Corp Fault resistive data processor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295138A (en) * 1976-02-06 1977-08-10 Hitachi Ltd Data processing system
JPS5295944A (en) * 1976-02-06 1977-08-12 Nec Corp Mutual observation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295138A (en) * 1976-02-06 1977-08-10 Hitachi Ltd Data processing system
JPS5295944A (en) * 1976-02-06 1977-08-12 Nec Corp Mutual observation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57166458U (en) * 1981-04-13 1982-10-20
JPS6338598Y2 (en) * 1981-04-13 1988-10-12
JPS62200431A (en) * 1986-02-27 1987-09-04 Nec Corp Processor aliveness or death identification system in distributed processing system
JPS63183254A (en) * 1987-01-15 1988-07-28 ローベルト・ボッシュ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Monitor for computer system with two processor
JPH0227442A (en) * 1988-07-15 1990-01-30 Nec Corp Fault detecting system
JPH0484336A (en) * 1990-07-27 1992-03-17 Nec Corp Fault resistive data processor

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