JPS5890500U - Gain switching device in flow signal transmission device - Google Patents
Gain switching device in flow signal transmission deviceInfo
- Publication number
- JPS5890500U JPS5890500U JP1982145783U JP14578382U JPS5890500U JP S5890500 U JPS5890500 U JP S5890500U JP 1982145783 U JP1982145783 U JP 1982145783U JP 14578382 U JP14578382 U JP 14578382U JP S5890500 U JPS5890500 U JP S5890500U
- Authority
- JP
- Japan
- Prior art keywords
- section
- span
- gain
- wire
- output
- 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
- Details Of Flowmeters (AREA)
- Measuring Volume Flow (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (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
第１図は本考案装置の一実施例を説明する構成図、第２
図は第１図のゲイン調整部のゲイン−調整を示す図、第
３図はデータ信号の伝送手段の他の例を説明する波形図
である。
１０・・・流量計本体、１６・・・励磁タイミング信号
発生部、１７・・・サンプリング回路、１８・・・電圧
−電流変換部、１９・・・伝送ケーブル、１９ａ。Fig. 1 is a configuration diagram illustrating an embodiment of the device of the present invention;
This figure is a diagram showing the gain adjustment of the gain adjustment section of FIG. 1, and FIG. 3 is a waveform diagram illustrating another example of the data signal transmission means. DESCRIPTION OF SYMBOLS 10... Flowmeter main body, 16... Excitation timing signal generation part, 17... Sampling circuit, 18... Voltage-current conversion part, 19... Transmission cable, 19a.
Claims (1)
を増幅するゲイン増幅部と、このゲイン増幅部の出力を
伝送する少な（とも２つの芯線およびシールド線を持つ
伝送ケーブルと、前記流量信号の波高選択を行う波高選
別部と、この波高選別部によって波高選別された信号に
基づいて前記ゲイン調整部のゲイン調整を行うスパン切
換部と、このスパン切換部によってゲイン調整されたゲ
イン増幅部の出力を前記２つの芯線を用い、又は１つの
芯線とシールド線とを用いて伝送する手段と、前記スパ
ン切換部のスパンを電圧レベルに変換して前記伝送ケー
ブルの１つの芯線とシールド線を用いてスパンデータと
して送出するスパン電圧変、。 換部とを具備したことを特徴とする流量計出力変換装置
。[Claim for Utility Model Registration] A flowmeter body, a gain amplification section that amplifies the flow rate signal output from the flowmeter body, and a small wire (two core wires and a shielded wire) that transmits the output of this gain amplification section. A transmission cable having a transmission cable, a wave height selection section that selects the wave height of the flow rate signal, a span switching section that adjusts the gain of the gain adjustment section based on the signal that has been selected by the wave height selection section, and the span switching section. means for transmitting the gain-adjusted output of the gain amplification section using the two core wires or one core wire and a shielded wire; and means for converting the span of the span switching section into a voltage level of the transmission cable. A flowmeter output conversion device comprising: a span voltage conversion unit that sends out span data using one core wire and a shielded wire;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982145783U JPS5929279Y2 (en) | 1982-09-27 | 1982-09-27 | Gain switching device in flow signal transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982145783U JPS5929279Y2 (en) | 1982-09-27 | 1982-09-27 | Gain switching device in flow signal transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5890500U true JPS5890500U (en) | 1983-06-18 |
| JPS5929279Y2 JPS5929279Y2 (en) | 1984-08-22 |
Family
ID=29938700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982145783U Expired JPS5929279Y2 (en) | 1982-09-27 | 1982-09-27 | Gain switching device in flow signal transmission device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5929279Y2 (en) |
-
1982
- 1982-09-27 JP JP1982145783U patent/JPS5929279Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5929279Y2 (en) | 1984-08-22 |
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