JPS5557961A - Annunciator - Google Patents

Annunciator

Info

Publication number
JPS5557961A
JPS5557961A JP13198178A JP13198178A JPS5557961A JP S5557961 A JPS5557961 A JP S5557961A JP 13198178 A JP13198178 A JP 13198178A JP 13198178 A JP13198178 A JP 13198178A JP S5557961 A JPS5557961 A JP S5557961A
Authority
JP
Japan
Prior art keywords
circuit
self
detecting
output
signals
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
JP13198178A
Other languages
Japanese (ja)
Inventor
Akihiro Yamada
Norio Miyawaki
Yasushi Mori
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP13198178A priority Critical patent/JPS5557961A/en
Publication of JPS5557961A publication Critical patent/JPS5557961A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve reliability of a system by indicating a fault by detecting the confirmation signal of self-diagnosis.
CONSTITUTION: By a main controller composed mainly of input scanning circuit 8, CPU1, and memories ROM2 and RAM3, a self-diagnostic program for checking its functions is executed at constant intervals of time to output comfirmation signals of it from output port 5. Then, fault information circuit 7 is separately provided which sends a fault information output on detecting intermittence of confirmation signals, so that abnormality would be caused, the circuit can indicate it rappidly.
COPYRIGHT: (C)1980,JPO&Japio
JP13198178A 1978-10-26 1978-10-26 Annunciator Pending JPS5557961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13198178A JPS5557961A (en) 1978-10-26 1978-10-26 Annunciator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13198178A JPS5557961A (en) 1978-10-26 1978-10-26 Annunciator

Publications (1)

Publication Number Publication Date
JPS5557961A true JPS5557961A (en) 1980-04-30

Family

ID=15070748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13198178A Pending JPS5557961A (en) 1978-10-26 1978-10-26 Annunciator

Country Status (1)

Country Link
JP (1) JPS5557961A (en)

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