JPS5457080A - Control system - Google Patents
Control systemInfo
- Publication number
- JPS5457080A JPS5457080A JP12297677A JP12297677A JPS5457080A JP S5457080 A JPS5457080 A JP S5457080A JP 12297677 A JP12297677 A JP 12297677A JP 12297677 A JP12297677 A JP 12297677A JP S5457080 A JPS5457080 A JP S5457080A
- Authority
- JP
- Japan
- Prior art keywords
- indicator
- circuit
- equipment
- control system
- operating
- 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)
Abstract
PURPOSE: To provide a control system capable of reliably operating the controlled system even during the maintenance inspection period of such control system.
CONSTITUTION: A control system 2 for controlling a controlled system 1 consisting of A equipment 12 and B equipment 13 as controlled equipment comprises circuit units 3 and 4 each of which can be electrically and structurally cut off from the control system 2, each circuit unit containing a control circuit 5, an indicator circuit 6, and an indicator 7, and a control circuit 8, an indicator circuit 9, and indicator 10 respectively, a starting condition (a) is input to said control circuit 5 which givs an operation output (b) to A equipment 12, the indicator circuit 6 inputs a combined signal of an operating signal (c) of A equipment 12 and an operating signal (d) of B equipment 13 and gives an indicator signal to the indicator 7. The circuit unit 4 functions in an similar manner whereby an complex procedure to provide a cut off instruction in a operating manual can be eliminated and the controlled system can be reliably operated
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12297677A JPS5457080A (en) | 1977-10-15 | 1977-10-15 | Control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12297677A JPS5457080A (en) | 1977-10-15 | 1977-10-15 | Control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5457080A true JPS5457080A (en) | 1979-05-08 |
Family
ID=14849226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12297677A Pending JPS5457080A (en) | 1977-10-15 | 1977-10-15 | Control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5457080A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57134702A (en) * | 1981-02-12 | 1982-08-20 | Nippon Steel Corp | Fail safe system |
-
1977
- 1977-10-15 JP JP12297677A patent/JPS5457080A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57134702A (en) * | 1981-02-12 | 1982-08-20 | Nippon Steel Corp | Fail safe system |
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