JPS6034693U - analog data acquisition circuit - Google Patents

analog data acquisition circuit

Info

Publication number
JPS6034693U
JPS6034693U JP12458883U JP12458883U JPS6034693U JP S6034693 U JPS6034693 U JP S6034693U JP 12458883 U JP12458883 U JP 12458883U JP 12458883 U JP12458883 U JP 12458883U JP S6034693 U JPS6034693 U JP S6034693U
Authority
JP
Japan
Prior art keywords
terminal
multiplexer
data acquisition
acquisition circuit
analog data
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
Application number
JP12458883U
Other languages
Japanese (ja)
Other versions
JPH063519Y2 (en
Inventor
篠原　幸隆
Original Assignee
株式会社明電舎
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 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP12458883U priority Critical patent/JPH063519Y2/en
Publication of JPS6034693U publication Critical patent/JPS6034693U/en
Application granted granted Critical
Publication of JPH063519Y2 publication Critical patent/JPH063519Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

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

第１図はマルチプレクサによるアナログデータ収集回路
を示す図、第２図ａ及び第２図すは従来のデータ収集方
式を示す回路図、第３図及び第４図は本考案の実施例を
示す回路図である。 ＰＴ・・・計器用変成器、ＭＰＸ・・・マルチプレクサ
、ＳＷ・・・切換スイッチ。Fig. 1 is a diagram showing an analog data acquisition circuit using a multiplexer, Figs. 2a and 2 are circuit diagrams showing a conventional data acquisition method, and Figs. 3 and 4 are circuit diagrams showing an embodiment of the present invention. It is a diagram. PT...instrument transformer, MPX...multiplexer, SW...changeover switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数のアナログ信号源からのアナログ信号をマルチプレ
クサによって時分割的に取込むアナログデータ収集回路
において、アナログ信号出力端になる一対の正極側端子
と負極側端子はその一方の端子をマルチプレクサの夫々
の入力端子に接続し、他方の端子及び同じ端子を切換ス
イッチの各切換端子に接続し、この切換スイッチの出力
端子をマルチプレクサのコモン端子に接続し、上記切換
スイッチをマルチプレクサのスキャン動作に同期させて
切換制御することによってマルチプレクサの入力端子に
アナログ信号同志の和あるいは差信号を取込むことを特
徴とするアナログデータ収集回路。In an analog data acquisition circuit that time-divisionally captures analog signals from multiple analog signal sources using a multiplexer, a pair of positive and negative terminals that serve as analog signal output terminals connect one terminal to each input of the multiplexer. terminal, connect the other terminal and the same terminal to each switching terminal of the changeover switch, connect the output terminal of this changeover switch to the common terminal of the multiplexer, and switch the above changeover switch in synchronization with the scan operation of the multiplexer. An analog data acquisition circuit characterized in that a sum or difference signal of analog signals is input to an input terminal of a multiplexer by controlling the circuit.
JP12458883U 1983-08-10 1983-08-10 Analog data collection circuit Expired - Lifetime JPH063519Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12458883U JPH063519Y2 (en) 1983-08-10 1983-08-10 Analog data collection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12458883U JPH063519Y2 (en) 1983-08-10 1983-08-10 Analog data collection circuit

Publications (2)

Publication Number Publication Date
JPS6034693U true JPS6034693U (en) 1985-03-09
JPH063519Y2 JPH063519Y2 (en) 1994-01-26

Family

ID=30283953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12458883U Expired - Lifetime JPH063519Y2 (en) 1983-08-10 1983-08-10 Analog data collection circuit

Country Status (1)

Country Link
JP (1) JPH063519Y2 (en)

Also Published As

Publication number Publication date
JPH063519Y2 (en) 1994-01-26

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