JPS5881601U - process control system - Google Patents
process control systemInfo
- Publication number
- JPS5881601U JPS5881601U JP17651481U JP17651481U JPS5881601U JP S5881601 U JPS5881601 U JP S5881601U JP 17651481 U JP17651481 U JP 17651481U JP 17651481 U JP17651481 U JP 17651481U JP S5881601 U JPS5881601 U JP S5881601U
- Authority
- JP
- Japan
- Prior art keywords
- process control
- control system
- modes
- control
- mode
- 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
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来のプロセス制御システムの一構成を示す
図である。第２図は、本考案の一実施例を示す電気的構
成図である。第３図は、各部の動作波形を示すタイミン
グチャートである。
１・・・・・・調節計、２・・・・・・調節弁、３．
６． ２０・・・・・・切換器、４・・・・・・遅れ要
素、５・・・・・・比較器、２１・・・・・・信号発生
回路。FIG. 1 is a diagram showing the configuration of a conventional process control system. FIG. 2 is an electrical configuration diagram showing an embodiment of the present invention. FIG. 3 is a timing chart showing operation waveforms of each part. 1... Controller, 2... Control valve, 3.
6. 20...Switcher, 4...Delay element, 5...Comparator, 21...Signal generation circuit.
Claims (1)
、プロセスの状態に応じて制御モードを切換える場合に
おいて、モードの切換え時に一定時間だけ調節計を手動
モードに移行させるための信号発生回路を設けたことを
特徴とするプロセス制御システム。In a process control system with multiple control modes, when the control mode is switched depending on the process status, a signal generation circuit is provided to shift the controller to manual mode for a certain period of time when switching modes. and process control systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17651481U JPS5881601U (en) | 1981-11-27 | 1981-11-27 | process control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17651481U JPS5881601U (en) | 1981-11-27 | 1981-11-27 | process control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5881601U true JPS5881601U (en) | 1983-06-02 |
Family
ID=29969567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17651481U Pending JPS5881601U (en) | 1981-11-27 | 1981-11-27 | process control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5881601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60158201U (en) * | 1984-03-29 | 1985-10-21 | 横河電機株式会社 | process control equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4872577A (en) * | 1971-12-29 | 1973-09-29 | ||
| JPS5431874A (en) * | 1977-08-16 | 1979-03-08 | Toshiba Corp | Set-value switching apparatus for adjusting metor |
-
1981
- 1981-11-27 JP JP17651481U patent/JPS5881601U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4872577A (en) * | 1971-12-29 | 1973-09-29 | ||
| JPS5431874A (en) * | 1977-08-16 | 1979-03-08 | Toshiba Corp | Set-value switching apparatus for adjusting metor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60158201U (en) * | 1984-03-29 | 1985-10-21 | 横河電機株式会社 | process control equipment |
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