JPS5680717A - Actuation control system of arithmetic processor - Google Patents

Actuation control system of arithmetic processor

Info

Publication number
JPS5680717A
JPS5680717A JP15719279A JP15719279A JPS5680717A JP S5680717 A JPS5680717 A JP S5680717A JP 15719279 A JP15719279 A JP 15719279A JP 15719279 A JP15719279 A JP 15719279A JP S5680717 A JPS5680717 A JP S5680717A
Authority
JP
Japan
Prior art keywords
intervals
signal
arithmetic processor
self
seconds
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.)
Granted
Application number
JP15719279A
Other languages
Japanese (ja)
Other versions
JPS5936281B2 (en
Inventor
Hiroyuki Honda
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.)
Yokogawa Electric Corp
Original Assignee
Hokushin Electric Works Ltd
Yokogawa Hokushin Electric 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 Hokushin Electric Works Ltd, Yokogawa Hokushin Electric Corp filed Critical Hokushin Electric Works Ltd
Priority to JP54157192A priority Critical patent/JPS5936281B2/en
Publication of JPS5680717A publication Critical patent/JPS5680717A/en
Publication of JPS5936281B2 publication Critical patent/JPS5936281B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Safety Devices In Control Systems (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

PURPOSE: To prevent the malfunction and interruption of an arithmetic processor by providing a monitoring circuit that monitors time intervals of a device normalcy signal while permitting the arithmetic processor to make a self-diagnosis of whether arithmetic processing is normally in process or not.
CONSTITUTION: Unless the ambient temperature of arithmetic processor 1 reaches a normal operation temperature after the power source is put to work, device normalcy signal K is not outputted. Monitoring circuit 5 outputs start signal WP at intervals of B seconds with its own one-shot pulse. As a result, the arithmetic processor is repeatedly actuated at intervals of B seconds to make a self-diagnosis according to its self-diagnostic program. As the ambient temperature reaches the normal operation temperature through the operation of heater 2, device normalcy signal K is outputted. Then, the self-diagnosis is carried out at intervals of A seconds during its arithmetic processing execution. Signal K is outputted from bus line 6 at intervals of A seconds and the monitoring circuit is reset at A-second intervals and never outputs signal WP.
COPYRIGHT: (C)1981,JPO&Japio
JP54157192A 1979-12-04 1979-12-04 Processing unit startup control method Expired JPS5936281B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54157192A JPS5936281B2 (en) 1979-12-04 1979-12-04 Processing unit startup control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54157192A JPS5936281B2 (en) 1979-12-04 1979-12-04 Processing unit startup control method

Publications (2)

Publication Number Publication Date
JPS5680717A true JPS5680717A (en) 1981-07-02
JPS5936281B2 JPS5936281B2 (en) 1984-09-03

Family

ID=15644204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54157192A Expired JPS5936281B2 (en) 1979-12-04 1979-12-04 Processing unit startup control method

Country Status (1)

Country Link
JP (1) JPS5936281B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5884327A (en) * 1981-11-13 1983-05-20 Hitachi Ltd Start controlling system of electronic computer system
JPS59136824A (en) * 1983-01-27 1984-08-06 Fujitsu Ltd Control system of power supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5884327A (en) * 1981-11-13 1983-05-20 Hitachi Ltd Start controlling system of electronic computer system
JPS59136824A (en) * 1983-01-27 1984-08-06 Fujitsu Ltd Control system of power supply

Also Published As

Publication number Publication date
JPS5936281B2 (en) 1984-09-03

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