JPS60158639U - Input circuit for small signals - Google Patents
Input circuit for small signalsInfo
- Publication number
- JPS60158639U JPS60158639U JP4647084U JP4647084U JPS60158639U JP S60158639 U JPS60158639 U JP S60158639U JP 4647084 U JP4647084 U JP 4647084U JP 4647084 U JP4647084 U JP 4647084U JP S60158639 U JPS60158639 U JP S60158639U
- Authority
- JP
- Japan
- Prior art keywords
- input circuit
- circuit
- micro
- small signals
- delay 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
- Relay Circuits (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図は本考案を適用すべき温度信号入力部の構成を示
す回路図、第２図はこの回路の一部における従来の動作
を示す回路図、第３図は本考案の一実施例におけるリレ
ー接点駆動回路の構成を示す回路図、第４図は本考案の
適用動作を示す回路図である。
ＴＣＩ、Ｔｅ３・・・熱電対、Ｒ１，Ｒ２・・・フィル
タ抵抗、Ｃ１，Ｃ２・・・フィルタコンデンサ、ｒｌ。
ｒ２・・・ケーブル抵抗、ＫＬ Ｋ２．に３．に４−・
・リレー接点、Ｌｌ、Ｒ２・・・リレー励磁コイル、Ｔ
ｒｌ、Ｔｒ２・・・トランジスタ、Ｒ１１・・・遅延抵
抗、Ｃ１１・・・遅延コンデンサ。Fig. 1 is a circuit diagram showing the configuration of a temperature signal input section to which the present invention is applied, Fig. 2 is a circuit diagram showing the conventional operation of a part of this circuit, and Fig. 3 is a circuit diagram showing the conventional operation of a part of this circuit. FIG. 4 is a circuit diagram showing the configuration of the relay contact drive circuit, and FIG. 4 is a circuit diagram showing the applied operation of the present invention. TCI, Te3...Thermocouple, R1, R2...Filter resistor, C1, C2...Filter capacitor, rl. r2...Cable resistance, KL K2. 3. 4-・
・Relay contact, Ll, R2...Relay excitation coil, T
rl, Tr2...Transistor, R11...Delay resistor, C11...Delay capacitor.
Claims (1)
に設けられた一対のリレー接点を介して装置側に送出す
る微小信号用入力回路において、 前記電源側リレー接点を作動させる励磁コイルの付勢を
接地側よりも所定時定数だけ遅延させる遅延回路を備え
たことを特徴とする微小信号用入力回路。 ２ 遅延回路がＲＣ遅延回路である実用新案登録請求の
範囲第１項記載の微小信号用入力回路。[Claims for Utility Model Registration] 1. In a micro signal input circuit that sends a micro signal to the device side via a filter circuit and a pair of relay contacts provided on the power supply side and the ground side, the power supply side relay contact is actuated. 1. A micro-signal input circuit comprising a delay circuit that delays energization of an excitation coil from a ground side by a predetermined time constant. 2. The input circuit for minute signals according to claim 1, wherein the delay circuit is an RC delay circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4647084U JPS60158639U (en) | 1984-03-30 | 1984-03-30 | Input circuit for small signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4647084U JPS60158639U (en) | 1984-03-30 | 1984-03-30 | Input circuit for small signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60158639U true JPS60158639U (en) | 1985-10-22 |
Family
ID=30560891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4647084U Pending JPS60158639U (en) | 1984-03-30 | 1984-03-30 | Input circuit for small signals |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60158639U (en) |
-
1984
- 1984-03-30 JP JP4647084U patent/JPS60158639U/en active Pending
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