JPS5510614A - Controller - Google Patents
ControllerInfo
- Publication number
- JPS5510614A JPS5510614A JP8208878A JP8208878A JPS5510614A JP S5510614 A JPS5510614 A JP S5510614A JP 8208878 A JP8208878 A JP 8208878A JP 8208878 A JP8208878 A JP 8208878A JP S5510614 A JPS5510614 A JP S5510614A
- Authority
- JP
- Japan
- Prior art keywords
- register
- control part
- data
- output
- bus
- 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
Landscapes
- Safety Devices In Control Systems (AREA)
- Feedback Control In General (AREA)
Abstract
PURPOSE: To obtain a controller available for the same operation as that of an arithmetic control part at a normal side even if either arithmetic control part gets out of order.
CONSTITUTION: Output register A71 is connected to data bus 75 of control part A12 and when select signal 76 to this output register is "1", data on bus 75 are taken in and hold. Further, when select signal 77 to input gate A74 is "1", the gate output the data held by output register B73 onto bus 75. Register B73 and input register B72 of control part B13 function in the same way. For example, data written to register 71 by control part A12 are held by register A and when input register B72 is read by control part B13, the data held in register A are read into control part B via gate B. In this way, data transfer from control part A to control B is carried out.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8208878A JPS5510614A (en) | 1978-07-07 | 1978-07-07 | Controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8208878A JPS5510614A (en) | 1978-07-07 | 1978-07-07 | Controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5510614A true JPS5510614A (en) | 1980-01-25 |
Family
ID=13764681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8208878A Pending JPS5510614A (en) | 1978-07-07 | 1978-07-07 | Controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5510614A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5915101U (en) * | 1982-07-21 | 1984-01-30 | 富士電機株式会社 | Controller backup device |
JPS5962903A (en) * | 1982-09-30 | 1984-04-10 | Shimadzu Corp | Process control system |
JPS61128302A (en) * | 1984-11-28 | 1986-06-16 | Omron Tateisi Electronics Co | Programmable controller |
JPS61235902A (en) * | 1985-04-12 | 1986-10-21 | Fuji Electric Co Ltd | Duplex system |
JPS63163602A (en) * | 1986-12-26 | 1988-07-07 | Hitachi Ltd | Process controller |
-
1978
- 1978-07-07 JP JP8208878A patent/JPS5510614A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5915101U (en) * | 1982-07-21 | 1984-01-30 | 富士電機株式会社 | Controller backup device |
JPS5962903A (en) * | 1982-09-30 | 1984-04-10 | Shimadzu Corp | Process control system |
JPS61128302A (en) * | 1984-11-28 | 1986-06-16 | Omron Tateisi Electronics Co | Programmable controller |
JPS61235902A (en) * | 1985-04-12 | 1986-10-21 | Fuji Electric Co Ltd | Duplex system |
JPS63163602A (en) * | 1986-12-26 | 1988-07-07 | Hitachi Ltd | Process controller |
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