JPS5482577A - Process control computer system - Google Patents

Process control computer system

Info

Publication number
JPS5482577A
JPS5482577A JP14989677A JP14989677A JPS5482577A JP S5482577 A JPS5482577 A JP S5482577A JP 14989677 A JP14989677 A JP 14989677A JP 14989677 A JP14989677 A JP 14989677A JP S5482577 A JPS5482577 A JP S5482577A
Authority
JP
Japan
Prior art keywords
computers
lower positions
upper position
computer
process input
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
JP14989677A
Other languages
Japanese (ja)
Inventor
Yasutaka Miyano
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14989677A priority Critical patent/JPS5482577A/en
Publication of JPS5482577A publication Critical patent/JPS5482577A/en
Pending legal-status Critical Current

Links

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  • Safety Devices In Control Systems (AREA)

Abstract

PURPOSE:To improve working ratio, by backing up computers at column F by means of a computer located at the upper position when there happen obstacles at the computers at column F. CONSTITUTION:When normality, a computer 1 located at the upper position transmits control informations to computers 2-n located at lower positions through a data transmission device 100. The computers located at lower positions fill the role of the functions by emitting commands to each device and by inputting result data to it by means of process input and output devices 20-n0 connected through process input and output signal change-over devices 21-n1. When there happen obstacles at the computers located at lower positions, the computer located at the upper position forms soft for back-up to areas 11-1i for back-up on the basis of programs 22-n2 for the computers located at lower positions housed in a memory MO. The process input and output signal change-over devices 21-n1 are changed over, and the computers located at the lower positions are backed up by means of the computer located at the upper position.
JP14989677A 1977-12-15 1977-12-15 Process control computer system Pending JPS5482577A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14989677A JPS5482577A (en) 1977-12-15 1977-12-15 Process control computer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14989677A JPS5482577A (en) 1977-12-15 1977-12-15 Process control computer system

Publications (1)

Publication Number Publication Date
JPS5482577A true JPS5482577A (en) 1979-06-30

Family

ID=15484977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14989677A Pending JPS5482577A (en) 1977-12-15 1977-12-15 Process control computer system

Country Status (1)

Country Link
JP (1) JPS5482577A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6270903A (en) * 1985-09-24 1987-04-01 Toshiba Corp Back-up controller
JPS62134701A (en) * 1985-12-06 1987-06-17 Hitachi Ltd Electronic controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6270903A (en) * 1985-09-24 1987-04-01 Toshiba Corp Back-up controller
JPS62134701A (en) * 1985-12-06 1987-06-17 Hitachi Ltd Electronic controller

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