JPS6117634U - RTD circuit - Google Patents

RTD circuit

Info

Publication number
JPS6117634U
JPS6117634U JP10143184U JP10143184U JPS6117634U JP S6117634 U JPS6117634 U JP S6117634U JP 10143184 U JP10143184 U JP 10143184U JP 10143184 U JP10143184 U JP 10143184U JP S6117634 U JPS6117634 U JP S6117634U
Authority
JP
Japan
Prior art keywords
lead wire
switch
resistance temperature
current source
constant current
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
JP10143184U
Other languages
Japanese (ja)
Inventor
誠一 柴
秀雄 沢田
一良 中川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Azbil Corp
Original Assignee
Azbil Corp
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 by Azbil Corp filed Critical Azbil Corp
Priority to JP10143184U priority Critical patent/JPS6117634U/en
Publication of JPS6117634U publication Critical patent/JPS6117634U/en
Pending legal-status Critical Current

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  • Measuring Temperature Or Quantity Of Heat (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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示すブロック図、第２図は
本考案の他の実施例を示すブロック図である。 １０・・・測温抵抗体、１２，１４，１６・・・リード
線、２６・・・第１のスイッチ、２８・・・第２のスイ
ッチ、３０・・・定電流源、３４・・・演算部。FIG. 1 is a block diagram showing one embodiment of the present invention, and FIG. 2 is a block diagram showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 10... Resistance temperature sensor, 12, 14, 16... Lead wire, 26... First switch, 28... Second switch, 30... Constant current source, 34... Arithmetic section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端に第１のリード線を有し他端に第２、第３のリード
線を有する測温抵抗体であって、少なくとも第３のリー
ド線が第１のリード線と配線抵抗が等しく且つ第３のリ
ード線が接地されている測温抵抗体と、前記第１のリー
ド線に接続された定電流源と、前記第１のリード線と前
記定電流源との接続点に一端が接続された第１のスイッ
チと、前記第２のリード線に一端が接続された第２のス
イッチと、前記第１のリード線および第２のリード線の
それぞれの他端を共通に接続した出力端子と、前記第１
のスイッチと第２のスイッチとを交互に開閉するスイッ
チ制御手段と、前記第１および第２のスイッチの開閉動
作に同期して前記出力端子に交互に出力される電圧値か
ら前記測温抵抗体における電圧降下を算出する演算手段
とを具備する測温抵抗体回路。A resistance temperature detector having a first lead wire at one end and second and third lead wires at the other end, wherein at least the third lead wire has the same wiring resistance as the first lead wire, and A resistance temperature sensor whose lead wire No. 3 is grounded, a constant current source connected to the first lead wire, and one end connected to a connection point between the first lead wire and the constant current source. a second switch having one end connected to the second lead wire; and an output terminal having the other ends of the first lead wire and the second lead wire connected in common. , said first
switch control means for alternately opening and closing a switch and a second switch; and a switch control means for alternately opening and closing a switch and a second switch; A resistance temperature detector circuit comprising a calculation means for calculating a voltage drop in the voltage drop.
JP10143184U 1984-07-06 1984-07-06 RTD circuit Pending JPS6117634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10143184U JPS6117634U (en) 1984-07-06 1984-07-06 RTD circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10143184U JPS6117634U (en) 1984-07-06 1984-07-06 RTD circuit

Publications (1)

Publication Number Publication Date
JPS6117634U true JPS6117634U (en) 1986-02-01

Family

ID=30660871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10143184U Pending JPS6117634U (en) 1984-07-06 1984-07-06 RTD circuit

Country Status (1)

Country Link
JP (1) JPS6117634U (en)

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