JPH0351337U - - Google Patents

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Publication number
JPH0351337U
JPH0351337U JP11322689U JP11322689U JPH0351337U JP H0351337 U JPH0351337 U JP H0351337U JP 11322689 U JP11322689 U JP 11322689U JP 11322689 U JP11322689 U JP 11322689U JP H0351337 U JPH0351337 U JP H0351337U
Authority
JP
Japan
Prior art keywords
input
terminals
converter
measurement
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.)
Pending
Application number
JP11322689U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11322689U priority Critical patent/JPH0351337U/ja
Publication of JPH0351337U publication Critical patent/JPH0351337U/ja
Pending legal-status Critical Current

Links

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  • Measuring Temperature Or Quantity Of Heat (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例のブロツク図、第２
図は入力端子の接続関係の説明図、第３図及び第
４図は従来の装置のブロツク図である。 １〜３……入力端子、７……測定用電流源、８
……基準抵抗、９……マルチプレクサ、１０……
プログラマブルゲインプリアンプ、１１……Ａ／
Ｄ変換器、１２……マイクロプロセツサ。

Claims (1)

  1. 【実用新案登録請求の範囲】 基準抵抗を介して測定用電流源が接続される第
    １の入力端子と、第２の入力端子と、接地される
    第３の入力端子と、これら基準抵抗の測定用電流
    源との接続点及び第１乃至第３の各入力端子を選
    択的にプログラマブルゲインプリアンプに接続す
    るマルチプレクサと、前記プログラマブルゲイン
    プリアンプの出力信号をデイジタル信号に変換す
    るＡ／Ｄ変換器と、これら各部を制御するととも
    に前記Ａ／Ｄ変換器から入力されるデイジタル信
    号に対して演算処理を行う演算制御部を具備し、 ３線式の測温抵抗体は端子Ａ，ｂ，Ｂが前記第
    １乃至第３の入力端子に接続され、熱電対は前記
    第２、第３の入力端子に接続されることを特徴と
    する温度測定入力回路。
JP11322689U 1989-09-27 1989-09-27 Pending JPH0351337U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11322689U JPH0351337U (ja) 1989-09-27 1989-09-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11322689U JPH0351337U (ja) 1989-09-27 1989-09-27

Publications (1)

Publication Number Publication Date
JPH0351337U true JPH0351337U (ja) 1991-05-20

Family

ID=31661645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11322689U Pending JPH0351337U (ja) 1989-09-27 1989-09-27

Country Status (1)

Country Link
JP (1) JPH0351337U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006262711A (ja) * 2005-03-22 2006-10-05 Shozo Iwai 植栽用水分供給具と植栽用水分供給方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59212997A (ja) * 1983-05-18 1984-12-01 株式会社チノー 多点入力切換装置
JPS6361917A (ja) * 1986-09-03 1988-03-18 Yokogawa Electric Corp 多点測定装置
JPS63273026A (ja) * 1987-05-01 1988-11-10 Yamatake Honeywell Co Ltd 温度測定装置の入力回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59212997A (ja) * 1983-05-18 1984-12-01 株式会社チノー 多点入力切換装置
JPS6361917A (ja) * 1986-09-03 1988-03-18 Yokogawa Electric Corp 多点測定装置
JPS63273026A (ja) * 1987-05-01 1988-11-10 Yamatake Honeywell Co Ltd 温度測定装置の入力回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006262711A (ja) * 2005-03-22 2006-10-05 Shozo Iwai 植栽用水分供給具と植栽用水分供給方法
JP4615341B2 (ja) * 2005-03-22 2011-01-19 岩井 省三 植栽用水分供給具と植栽用水分供給方法

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