JPS5471532A - Data way system - Google Patents
Data way systemInfo
- Publication number
- JPS5471532A JPS5471532A JP13782577A JP13782577A JPS5471532A JP S5471532 A JPS5471532 A JP S5471532A JP 13782577 A JP13782577 A JP 13782577A JP 13782577 A JP13782577 A JP 13782577A JP S5471532 A JPS5471532 A JP S5471532A
- Authority
- JP
- Japan
- Prior art keywords
- stations
- multiplexer
- computer
- data way
- master
- 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
Links
Abstract
PURPOSE: To increase the reliabiltity of system, by providing the electric isolation circuit and the multiplexer between a plurality of master stations forming the data way and the electronic computer and by selecting the master station in failure without hindrance.
CONSTITUTION: A plurality of remote stations 6 forming the data way is connected with coaxial or twist pair cable 5, a pulrality of master stations 41 and 42 controlling the station 6 are provided, and the electric isolation circuits 81 and 82 are connected to the stations 41 and 42 with the cables 31 and 32. Further, the multiplexer 7 is connected to the isolation circuits 81, 82, and the multiplexer 7 is connected to the electronic computer 1 via the direct memory access channel 2 by the cable 3. Further, the function connecting only one of the stations 41, 42 to the computer 1 is given to the multiplexer 7 and if one of the stations 41, 42 is in failure, change-over is made from one to antother by change-over signal of the computer 1.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13782577A JPS5471532A (en) | 1977-11-18 | 1977-11-18 | Data way system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13782577A JPS5471532A (en) | 1977-11-18 | 1977-11-18 | Data way system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5471532A true JPS5471532A (en) | 1979-06-08 |
Family
ID=15207720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13782577A Pending JPS5471532A (en) | 1977-11-18 | 1977-11-18 | Data way system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5471532A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6251335A (en) * | 1985-08-30 | 1987-03-06 | Hitachi Ltd | Control system for duplicated constitution of station |
-
1977
- 1977-11-18 JP JP13782577A patent/JPS5471532A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6251335A (en) * | 1985-08-30 | 1987-03-06 | Hitachi Ltd | Control system for duplicated constitution of station |
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