JPS61107097U - - Google Patents
Info
- Publication number
- JPS61107097U JPS61107097U JP19088884U JP19088884U JPS61107097U JP S61107097 U JPS61107097 U JP S61107097U JP 19088884 U JP19088884 U JP 19088884U JP 19088884 U JP19088884 U JP 19088884U JP S61107097 U JPS61107097 U JP S61107097U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- comparator
- physical quantity
- output
- value
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
Description
第１図は本考案の一実施例の基本構成を示す図
、第２図は検出回路の構成例を示す回路図、第３
図はボリユームつまみによる零調整法を説明する
ための図、第４図および第５図はそれぞれ変形例
を示す図、第６図はパネル室側から零調整を行な
う方法を説明するための図、第７図はガスクロマ
トグラフに応用した場合の具体的構成例を示す回
路図である。
１……検出回路、２……比較器、３……アツプ
ダウンカウンタ、４……デイジタルアナログ変換
器、１０……パネル室側の負荷、１００……フイ
ールド装置、１０１……サンプル側変換素子、１
０２……基準側変換素子。
FIG. 1 is a diagram showing the basic configuration of an embodiment of the present invention, FIG. 2 is a circuit diagram showing an example of the configuration of a detection circuit, and FIG.
The figure is a diagram for explaining the zero adjustment method using the volume knob, Figures 4 and 5 are diagrams showing modified examples, respectively, and Figure 6 is a diagram for explaining the method for performing zero adjustment from the panel chamber side. FIG. 7 is a circuit diagram showing a specific configuration example when applied to a gas chromatograph. DESCRIPTION OF SYMBOLS 1...Detection circuit, 2...Comparator, 3...Up-down counter, 4...Digital-to-analog converter, 10...Load on the panel room side, 100...Field device, 101...Sample side conversion element, 1
02...Reference side conversion element.
Claims (1)
し被測定物理量に対応した電気信号を送出する検
出回路と、この検出回路の出力値を零値と比較す
る比較器と、この比較器の出力に応じて計数値を
増減するアツプダウンカウンタと、このカウンタ
の計数値をアナログ信号に変換し、変換素子の零
調整用信号として検出回路に送出するデイジタル
―アナログ変換器とを備えたことを特徴とするフ
イールド装置。 A detection circuit that has a conversion element that converts a predetermined physical quantity into an electrical quantity and sends out an electrical signal corresponding to the physical quantity to be measured, a comparator that compares the output value of this detection circuit with a zero value, and an output of this comparator. It is characterized by being equipped with an up-down counter that increases or decreases the count value in accordance with field device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190888U JPH0521198Y2 (en) | 1984-12-18 | 1984-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190888U JPH0521198Y2 (en) | 1984-12-18 | 1984-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61107097U true JPS61107097U (en) | 1986-07-07 |
| JPH0521198Y2 JPH0521198Y2 (en) | 1993-05-31 |
Family
ID=30748344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984190888U Expired - Lifetime JPH0521198Y2 (en) | 1984-12-18 | 1984-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521198Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5554403A (en) * | 1978-10-17 | 1980-04-21 | Toshiba Corp | Zero adjuster |
| JPS5779713U (en) * | 1980-10-31 | 1982-05-17 |
-
1984
- 1984-12-18 JP JP1984190888U patent/JPH0521198Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5554403A (en) * | 1978-10-17 | 1980-04-21 | Toshiba Corp | Zero adjuster |
| JPS5779713U (en) * | 1980-10-31 | 1982-05-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521198Y2 (en) | 1993-05-31 |
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