JPS585194U - physical quantity converter - Google Patents
physical quantity converterInfo
- Publication number
- JPS585194U JPS585194U JP9746581U JP9746581U JPS585194U JP S585194 U JPS585194 U JP S585194U JP 9746581 U JP9746581 U JP 9746581U JP 9746581 U JP9746581 U JP 9746581U JP S585194 U JPS585194 U JP S585194U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- physical quantity
- signal processing
- quantity converter
- circuit
- 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
- Measuring Volume Flow (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
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図ないし第４図は本考案の物理量変換器の実施例で
、第１図は回路構成図、第２図は波形図、第３図および
第４図は一時故障でマイクロコンピュータ自体リセット
させるための二側を示す回路図である。
図面中、ＣＰＵは中央処理装置、１３は動作判定回路、
ｓｗ２．ｓｗ３はスイッチ。、１６ｃは再トリガマルチ
バイブレータ、１６ｆは時間幅検出回路である。Figures 1 to 4 show examples of the physical quantity converter of the present invention, where Figure 1 is a circuit diagram, Figure 2 is a waveform diagram, and Figures 3 and 4 show the microcomputer itself being reset due to a temporary failure. FIG. In the drawing, CPU is a central processing unit, 13 is an operation determination circuit,
sw2. sw3 is a switch. , 16c is a retrigger multivibrator, and 16f is a time width detection circuit.
Claims (1)
ともにプロセス制御用の信号に変換して出力する物理量
変換器において、上記マイクロコンピュータの基本信号
処理機能とほぼ等しい機能を有するアナログ信号処理回
路を上記マイクロコンピュータに対して並列に配置する
と共に、このマイクロコンピュータの動作異常を検知す
る回路を備え、上記マイクロコンピュータの正常動作に
より、このマイクロコンピュータの出力を取り出し上記
動作異常を検知する回路での上記マイクロコンピュータ
の異常検知により上記アナログ信号処理回路の出力を取
出すことを特徴とする物理量変換器。In a physical quantity converter that processes a measured physical quantity in a microcomputer and converts it into a signal for process control and outputs it, an analog signal processing circuit having a function almost equivalent to the basic signal processing function of the above-mentioned microcomputer is installed in the above-mentioned microcomputer. The circuit is arranged in parallel with the microcomputer and detects abnormal operation of the microcomputer, and when the microcomputer operates normally, the output of the microcomputer is taken out and the circuit detects the abnormality of the operation. A physical quantity converter characterized in that the output of the analog signal processing circuit is extracted by detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9746581U JPS585194U (en) | 1981-06-30 | 1981-06-30 | physical quantity converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9746581U JPS585194U (en) | 1981-06-30 | 1981-06-30 | physical quantity converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS585194U true JPS585194U (en) | 1983-01-13 |
Family
ID=29892270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9746581U Pending JPS585194U (en) | 1981-06-30 | 1981-06-30 | physical quantity converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS585194U (en) |
-
1981
- 1981-06-30 JP JP9746581U patent/JPS585194U/en active Pending
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