JPS5674705A - Sequence control device - Google Patents
Sequence control deviceInfo
- Publication number
- JPS5674705A JPS5674705A JP15071079A JP15071079A JPS5674705A JP S5674705 A JPS5674705 A JP S5674705A JP 15071079 A JP15071079 A JP 15071079A JP 15071079 A JP15071079 A JP 15071079A JP S5674705 A JPS5674705 A JP S5674705A
- Authority
- JP
- Japan
- Prior art keywords
- offering
- processing
- computer
- mpus
- mpu
- 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.)
- Granted
Links
Landscapes
- Safety Devices In Control Systems (AREA)
- Control By Computers (AREA)
- Programmable Controllers (AREA)
Abstract
PURPOSE: To easily synchronize the processing of the same sequence, by coupling two microcomputers MPU which execute the same processing repeatedly by the offering equipments, respectively, and making the other computer generate the offering at the first stage of the same sequence processing, respectively.
CONSTITUTION: The process input 1 is input to the MPUs 2a, 2b, and the sequence required for controlling the plant is programmed and executed. The MPUs 2a, 2b make the other compute generater the offering at the first stage of the same sequence processing by each program by means of the offering equipments 3a, 3b, and also the offering from the other computer is stored as a flag in the internal memory of MPU. Each MPU is in a holding state until the offering of the other computer comes, and outputs the output processing signals 6a, 6b to the plant after confirming that the offering of the other computer has entered, and when both the signals have coincided by the AND circuit 4, the actual control signal 5 to the plant is output. In this way, the processing from both MPUs can be synchronized easily.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15071079A JPS5674705A (en) | 1979-11-22 | 1979-11-22 | Sequence control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15071079A JPS5674705A (en) | 1979-11-22 | 1979-11-22 | Sequence control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5674705A true JPS5674705A (en) | 1981-06-20 |
JPS6318203B2 JPS6318203B2 (en) | 1988-04-18 |
Family
ID=15502706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15071079A Granted JPS5674705A (en) | 1979-11-22 | 1979-11-22 | Sequence control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5674705A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58122904U (en) * | 1982-02-15 | 1983-08-22 | 株式会社神崎高級工機製作所 | Agricultural hydraulic lift device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4866346A (en) * | 1971-12-13 | 1973-09-11 | ||
JPS4979437A (en) * | 1972-12-04 | 1974-07-31 |
-
1979
- 1979-11-22 JP JP15071079A patent/JPS5674705A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4866346A (en) * | 1971-12-13 | 1973-09-11 | ||
JPS4979437A (en) * | 1972-12-04 | 1974-07-31 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58122904U (en) * | 1982-02-15 | 1983-08-22 | 株式会社神崎高級工機製作所 | Agricultural hydraulic lift device |
Also Published As
Publication number | Publication date |
---|---|
JPS6318203B2 (en) | 1988-04-18 |
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