JPS5923896U - Measurement control device - Google Patents
Measurement control deviceInfo
- Publication number
- JPS5923896U JPS5923896U JP4300183U JP4300183U JPS5923896U JP S5923896 U JPS5923896 U JP S5923896U JP 4300183 U JP4300183 U JP 4300183U JP 4300183 U JP4300183 U JP 4300183U JP S5923896 U JPS5923896 U JP S5923896U
- Authority
- JP
- Japan
- Prior art keywords
- comparator
- common setting
- voltage
- setting circuit
- input terminal
- 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.)
- Granted
Links
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Arrangements For Transmission Of Measured Signals (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面はこの考案の一実施例による計測制御装置の構成を
示す回路図である。
１１〜ｉｎ−・・熱電対、ＩＣ１−Ｑ、 ＩＣ−１゜、
ＩＣ−−ｎ・・・コ７ハＩ、ｉ−夕、ＲＬ−ｌ 〜ＲＬ
−ｎ−リレー、ｐｃ−０，ｐｃ−１・・・ＰＣ−ｎ・・
・フォトカプラ、Ｔ・・・トランス、ＩＣｌ−０・・・
基準用コンパレータ。The drawing is a circuit diagram showing the configuration of a measurement control device according to an embodiment of the invention. 11~in-...Thermocouple, IC1-Q, IC-1゜,
IC--n...ko7haI, i-even, RL-l ~RL
-n-relay, pc-0, pc-1...PC-n...
・Photocoupler, T...transformer, ICl-0...
Reference comparator.
Claims (1)
コンパレータを設け、後記共通設定回路と結合されたフ
ォトカプラの０Ｎ−ＯＦＦ動作によって該コンパレータ
の第二人力端に接続されたコンデンサの端子電圧を増減
して該コンパレータの出力極性を正負に反転させる第一
平滑回路を有する複数の測定回路と、基準電圧を第一入
力端子とする基準用コンパレータの出力側と入力側とを
結合する帰還用フォトカプラの０Ｎ−ＯＦＦ動作によっ
て該基準用コンパレータの第二人力端に接続されたコン
デンサの端子電圧を増減して該基準用コンパレータの出
力極性を正負に反転させ−る第二平滑回路を有し、かつ
該基準用コンパレータの出力側に順次直列に接続された
前記各測定回路のフォトカプラの発光タイオードと前記
帰還用フォトカプラの発光ダイオードとからなる共通設
定回路と、前記各測定回路および前記共通設定回路に別
個独立の２次巻線によって電圧を供給する共通トランス
とを備え、前記共通設定回路のコンパレータの出力極性
の正負反転によって該コンパレータの出力側に順次直列
に接続きれた前記各発光ダイオードを同時に点滅させ、
前記基準電圧に比例した前記共通設定回路からのパルス
幅変調信号を前記各測定回路に同一の設定電圧として供
給することを特徴とする計測制御装置。A comparator is provided whose first input terminal is the output of the thermocouple which is the input signal generation source, and the capacitor connected to the second input terminal of the comparator is set by the ON-OFF operation of the photocoupler coupled to the common setting circuit described later. A plurality of measurement circuits each having a first smoothing circuit that increases or decreases the terminal voltage to reverse the output polarity of the comparator to positive or negative are coupled to the output side and the input side of a reference comparator having a reference voltage as a first input terminal. A second smoothing circuit that increases or decreases the terminal voltage of a capacitor connected to the second input terminal of the reference comparator by the 0N-OFF operation of the feedback photocoupler to invert the output polarity of the reference comparator to positive or negative. and a common setting circuit consisting of a light emitting diode of a photocoupler of each of the measurement circuits and a light emitting diode of the feedback photocoupler connected in series to the output side of the reference comparator; a common transformer that supplies voltage to the common setting circuit through separate and independent secondary windings, and each of the above-mentioned common setting circuits is connected in series to the output side of the comparator by reversing the positive/negative output polarity of the comparator of the common setting circuit. make the light emitting diodes blink at the same time,
A measurement control device characterized in that a pulse width modulation signal from the common setting circuit proportional to the reference voltage is supplied to each of the measurement circuits as the same setting voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4300183U JPS6012239Y2 (en) | 1983-03-24 | 1983-03-24 | Measurement control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4300183U JPS6012239Y2 (en) | 1983-03-24 | 1983-03-24 | Measurement control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5923896U true JPS5923896U (en) | 1984-02-14 |
| JPS6012239Y2 JPS6012239Y2 (en) | 1985-04-20 |
Family
ID=30173529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4300183U Expired JPS6012239Y2 (en) | 1983-03-24 | 1983-03-24 | Measurement control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6012239Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006052959A (en) * | 2004-08-10 | 2006-02-23 | Yamari Sangyo Kk | Temperature transmitter |
-
1983
- 1983-03-24 JP JP4300183U patent/JPS6012239Y2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006052959A (en) * | 2004-08-10 | 2006-02-23 | Yamari Sangyo Kk | Temperature transmitter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6012239Y2 (en) | 1985-04-20 |
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