JPS6039155U - Analog signal input device - Google Patents
Analog signal input deviceInfo
- Publication number
- JPS6039155U JPS6039155U JP13071583U JP13071583U JPS6039155U JP S6039155 U JPS6039155 U JP S6039155U JP 13071583 U JP13071583 U JP 13071583U JP 13071583 U JP13071583 U JP 13071583U JP S6039155 U JPS6039155 U JP S6039155U
- Authority
- JP
- Japan
- Prior art keywords
- analog signal
- microcomputer
- input device
- output
- signal input
- 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図は従来の入力装置を示す回路図、第２図は第１図
におけるインターバルタイマの測定動作説明のための波
形図、第３図は従来の他の入力装置を示す回路図、第４
図は本考案の一実施例を示す回路図である。
１、 １．、 ＩＮ・・・電圧−周波数変換回路、２
゜２１９２Ｎ・・・信号絶縁器、３． ３１．３Ｎ・・
・インターバルタイマ、４・・・マイクロコンピュータ
、５・・・選択回路。Fig. 1 is a circuit diagram showing a conventional input device, Fig. 2 is a waveform diagram for explaining the measurement operation of the interval timer in Fig. 1, Fig. 3 is a circuit diagram showing another conventional input device, and Fig. 4 is a circuit diagram showing a conventional input device.
The figure is a circuit diagram showing an embodiment of the present invention. 1, 1. , IN...voltage-frequency conversion circuit, 2
゜2192N...Signal isolator, 3. 31.3N...
- Interval timer, 4... microcomputer, 5... selection circuit.
Claims (1)
コンピュータに入力するにおいて、各アナログ信号電圧
を夫々対応する周波数のパルスに変換する複数の電圧−
周波数変換回路と、これら各変換回路の出力を信号絶縁
して夫々取出す複数の信号絶縁器と、これら各信号絶縁
器の出力をマイクロコンピュータの指示に従って順次選
択する選択回路と、この選択回路の出力パルス幅を順次
測定するインターバルタイマと、このイン多−バルタイ
マの測定出力から各アナログ信号に対応する演算値を求
めるマイクロコンピュータとを備えたことを特徴とする
アナログ信号の入力装置。When converting multiple analog signals into digital quantities and inputting them to a microcomputer, multiple voltages are used to convert each analog signal voltage into a pulse with a corresponding frequency.
A frequency conversion circuit, a plurality of signal isolators that isolate the outputs of each of these conversion circuits and take out the signals, a selection circuit that sequentially selects the output of each of these signal isolators according to instructions from a microcomputer, and an output of this selection circuit. 1. An analog signal input device comprising: an interval timer that sequentially measures pulse width; and a microcomputer that determines a calculated value corresponding to each analog signal from the measurement output of the interval timer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13071583U JPS6039155U (en) | 1983-08-23 | 1983-08-23 | Analog signal input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13071583U JPS6039155U (en) | 1983-08-23 | 1983-08-23 | Analog signal input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6039155U true JPS6039155U (en) | 1985-03-18 |
Family
ID=30295765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13071583U Pending JPS6039155U (en) | 1983-08-23 | 1983-08-23 | Analog signal input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6039155U (en) |
-
1983
- 1983-08-23 JP JP13071583U patent/JPS6039155U/en active Pending
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