JPS6482200A - Process control device - Google Patents

Process control device

Info

Publication number
JPS6482200A
JPS6482200A JP23864387A JP23864387A JPS6482200A JP S6482200 A JPS6482200 A JP S6482200A JP 23864387 A JP23864387 A JP 23864387A JP 23864387 A JP23864387 A JP 23864387A JP S6482200 A JPS6482200 A JP S6482200A
Authority
JP
Japan
Prior art keywords
process input
input output
repetitive signal
output part
supplied
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
JP23864387A
Other languages
Japanese (ja)
Inventor
Kiyoshi Mochizuki
Souichirou Uchinuma
Yutaka Komuro
Atsushi Usui
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 JP23864387A priority Critical patent/JPS6482200A/en
Publication of JPS6482200A publication Critical patent/JPS6482200A/en
Pending legal-status Critical Current

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  • Alarm Systems (AREA)

Abstract

PURPOSE:To display an abnormality detection in a process input output part by providing a retriggerable monomultivibrator having a set time longer than the period of a repetitive signal to the process input output part. CONSTITUTION:A process input output part 2 has a retriggerable monomulti vibrator 2a inside, when the process input output part 2 sends normal data, the repetitive signal to be supplied from a control part 1 is supplied through a communication line 3 and the set time of the vibrator 2a is set longer than the period of the repetitive signal. Consequently, when the data sent from the process input output device to the control part are not correct, the control part stops generation of the sending repetitive signal and the vibrator 2a generates an output signal when the repetitive signal is not supplied for more than the set time. Thus, the trouble of the process input output part 2 is dis played.
JP23864387A 1987-09-25 1987-09-25 Process control device Pending JPS6482200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23864387A JPS6482200A (en) 1987-09-25 1987-09-25 Process control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23864387A JPS6482200A (en) 1987-09-25 1987-09-25 Process control device

Publications (1)

Publication Number Publication Date
JPS6482200A true JPS6482200A (en) 1989-03-28

Family

ID=17033185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23864387A Pending JPS6482200A (en) 1987-09-25 1987-09-25 Process control device

Country Status (1)

Country Link
JP (1) JPS6482200A (en)

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