JPS56149654A - Display method of on-line self-diagnosis result of system - Google Patents

Display method of on-line self-diagnosis result of system

Info

Publication number
JPS56149654A
JPS56149654A JP5285880A JP5285880A JPS56149654A JP S56149654 A JPS56149654 A JP S56149654A JP 5285880 A JP5285880 A JP 5285880A JP 5285880 A JP5285880 A JP 5285880A JP S56149654 A JPS56149654 A JP S56149654A
Authority
JP
Japan
Prior art keywords
error
self
display
error code
diagnosis
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
JP5285880A
Other languages
Japanese (ja)
Inventor
Kiyoshi Mochizuki
Yasuo Tomita
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.)
Azbil Corp
Original Assignee
Azbil Corp
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 Azbil Corp filed Critical Azbil Corp
Priority to JP5285880A priority Critical patent/JPS56149654A/en
Publication of JPS56149654A publication Critical patent/JPS56149654A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

PURPOSE:To have assured display of a fault, by performing a self-diagnosis after displaying an error code regardless of presence or absence of the error stopping the CPU operation if an error exists to continue displaying of the error code and erasing the error code display in case no error exists. CONSTITUTION:Before execution of a self-diagnosis, the self-diagnoisis error code is displayed previously at the error code display element LED of a machine interface. After this, the self-diagnosis is carried out. In case no error is detected through the self-diagnosis, the element LED is turned off to erase the error code. When an error is detected, the output Q of the latch LH which uses the stop signal SP from the CPU and the error signal ER from the CPU for the data intput D is applied to NAND. Thus the LED is turned on by the output of the NAND to keep the display of error code ad it is. Then the incapability of error display is eliminated by stopping the CPU detecting the error.
JP5285880A 1980-04-23 1980-04-23 Display method of on-line self-diagnosis result of system Pending JPS56149654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5285880A JPS56149654A (en) 1980-04-23 1980-04-23 Display method of on-line self-diagnosis result of system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5285880A JPS56149654A (en) 1980-04-23 1980-04-23 Display method of on-line self-diagnosis result of system

Publications (1)

Publication Number Publication Date
JPS56149654A true JPS56149654A (en) 1981-11-19

Family

ID=12926553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5285880A Pending JPS56149654A (en) 1980-04-23 1980-04-23 Display method of on-line self-diagnosis result of system

Country Status (1)

Country Link
JP (1) JPS56149654A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105939A (en) * 1977-02-26 1978-09-14 Nippon Telegr & Teleph Corp <Ntt> Fault diagnosis method for serial printer device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105939A (en) * 1977-02-26 1978-09-14 Nippon Telegr & Teleph Corp <Ntt> Fault diagnosis method for serial printer device

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