JPS60159323U - Terminal block for instrument calibration - Google Patents
Terminal block for instrument calibrationInfo
- Publication number
- JPS60159323U JPS60159323U JP4701384U JP4701384U JPS60159323U JP S60159323 U JPS60159323 U JP S60159323U JP 4701384 U JP4701384 U JP 4701384U JP 4701384 U JP4701384 U JP 4701384U JP S60159323 U JPS60159323 U JP S60159323U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- meter
- instrument calibration
- terminal block
- calibration
- 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
- Testing Or Calibration Of Command Recording Devices (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図および第２図は従来における工業計器の校正を説
明するための計装制御システムの概略構成図、第３図は
本考案に係る計器校正用端子台の一実施例を適用した計
装制御システムの全体構成図である。
１０・・・電流発信計器、１１・・・電流源、２０・・
・計器室、２１・・・受信計器、２２・・・電源、２３
．２４・・・伝送線、３０・・・校正用端子台、３１．
３２．３３・・・外線接続端子、４０・・・電流測定計
器、４１゜４２・・・測定端子、Ｄ・・・校正用ダイオ
ード。1 and 2 are schematic configuration diagrams of an instrumentation control system for explaining the calibration of conventional industrial instruments, and FIG. 3 is an instrumentation control system to which an embodiment of the terminal block for instrument calibration according to the present invention is applied. FIG. 1 is an overall configuration diagram of a control system. 10... Current transmitter, 11... Current source, 20...
- Control room, 21... Receiving instrument, 22... Power supply, 23
．． 24... Transmission line, 30... Calibration terminal block, 31.
32.33...External line connection terminal, 40...Current measuring instrument, 41°42...Measuring terminal, D...Calibration diode.
Claims (1)
において、一端が工業計器に他端が受信計器に夫々接続
された第１の外線接続端子と、一端が工業計器に接続さ
れ計器校正用端子を構成する第２の外線接続端子と、一
端が受信計器に接続され計器校正用端子を構成する第３
の外線接続端子と、計器校正用端子を構成する前記第２
および第３の外線接続端子の他端間に順方向に接続され
低抵抗値を有する一方向性素子とを備えたことを特徴と
する計器校正用端子台。In a device that relays a DC power signal from an industrial meter to a receiving meter, there is a first external line connection terminal with one end connected to the industrial meter and the other end connected to the receiving meter, and a terminal for meter calibration with one end connected to the industrial meter. a second external line connection terminal constituting the terminal, and a third terminal, one end of which is connected to the receiving instrument and which constitutes an instrument calibration terminal.
and the second terminal constituting an instrument calibration terminal.
and a unidirectional element having a low resistance value and connected in the forward direction between the other ends of the third external line connection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4701384U JPS60159323U (en) | 1984-03-31 | 1984-03-31 | Terminal block for instrument calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4701384U JPS60159323U (en) | 1984-03-31 | 1984-03-31 | Terminal block for instrument calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60159323U true JPS60159323U (en) | 1985-10-23 |
Family
ID=30561948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4701384U Pending JPS60159323U (en) | 1984-03-31 | 1984-03-31 | Terminal block for instrument calibration |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60159323U (en) |
-
1984
- 1984-03-31 JP JP4701384U patent/JPS60159323U/en active Pending
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