JPS57138235A - Data collector - Google Patents
Data collectorInfo
- Publication number
- JPS57138235A JPS57138235A JP2298381A JP2298381A JPS57138235A JP S57138235 A JPS57138235 A JP S57138235A JP 2298381 A JP2298381 A JP 2298381A JP 2298381 A JP2298381 A JP 2298381A JP S57138235 A JPS57138235 A JP S57138235A
- Authority
- JP
- Japan
- Prior art keywords
- cables
- cable
- encoders
- sent
- stages
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/14—Calling by using pulses
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Time-Division Multiplex Systems (AREA)
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
Abstract
PURPOSE:To achieve time-division multiplex transmission by simultaneously sampling output signals from remotely arranged sensors by using three cables for a clock signal, a control signal and data. CONSTITUTION:Outputs from sensors 11-1N are sent to encoders 21-2N, respectively. A clock generator 3 sends a clock to the respective encoder sthrough a cable 6, a frame code through a cable 51, and a control signal through a cable 41. The encoders detect the frame codes sent from the clock generator 3 through cables 51-5N of front stages and the encoders 21-2N-1 of the front stages and, on the basis of the positions, sample the sensor outputs to output encoded data OD2-ODN to the cables 52-5N+1 of rear stages on the basis of the control signals sent through cables 41-4N, thereby outputting the control signals to the cables 42-4N+1 of the rear stages. A receiver 9 receives the frame code and output data and then separates them from each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2298381A JPS57138235A (en) | 1981-02-20 | 1981-02-20 | Data collector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2298381A JPS57138235A (en) | 1981-02-20 | 1981-02-20 | Data collector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57138235A true JPS57138235A (en) | 1982-08-26 |
Family
ID=12097778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2298381A Pending JPS57138235A (en) | 1981-02-20 | 1981-02-20 | Data collector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57138235A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005070847A (en) * | 2003-08-26 | 2005-03-17 | Sunx Ltd | Sensor system and sensor unit thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5416111A (en) * | 1977-07-06 | 1979-02-06 | Mitsubishi Electric Corp | Multiplex transmission equipment |
-
1981
- 1981-02-20 JP JP2298381A patent/JPS57138235A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5416111A (en) * | 1977-07-06 | 1979-02-06 | Mitsubishi Electric Corp | Multiplex transmission equipment |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005070847A (en) * | 2003-08-26 | 2005-03-17 | Sunx Ltd | Sensor system and sensor unit thereof |
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