JPS59134897U - Multipoint analog signal measurement device - Google Patents

Multipoint analog signal measurement device

Info

Publication number
JPS59134897U
JPS59134897U JP2565183U JP2565183U JPS59134897U JP S59134897 U JPS59134897 U JP S59134897U JP 2565183 U JP2565183 U JP 2565183U JP 2565183 U JP2565183 U JP 2565183U JP S59134897 U JPS59134897 U JP S59134897U
Authority
JP
Japan
Prior art keywords
analog signal
measurement device
signal measurement
channel
multipoint
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
JP2565183U
Other languages
Japanese (ja)
Other versions
JPH0325274Y2 (en
Inventor
内池　久幸
豊 新井
Original Assignee
横河電機株式会社
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 横河電機株式会社 filed Critical 横河電機株式会社
Priority to JP2565183U priority Critical patent/JPS59134897U/en
Publication of JPS59134897U publication Critical patent/JPS59134897U/en
Application granted granted Critical
Publication of JPH0325274Y2 publication Critical patent/JPH0325274Y2/ja
Granted legal-status Critical Current

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  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Arrangements For Transmission Of Measured Signals (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図は従来装置のバーンアウト検出回路の一例を示す
電気的構成図、第２図は本考案の一実施例を示す電気的
構成図、第３図はタイミングチャートである。 １、Ｔ１〜Ｔｎ・・・・・・熱電対、Ｃｏ、　Ｃ，〜Ｃ
ｎ・・・・・・フライングキャパシタ、９ｗ１．　ｓｗ
１’　、　ｓｗ２．　ｓ□□〜ｓ１ｎ、ｓｌ、・〜Ｓ、
。＋　Ｓ２＋　Ｓ３＋　Ｓ４＋　Ｓ４’・・・・・・ス
イッチ、２・・・・・・比較器、３・・・・・・パルス
発生器、４・・・・・・アラーム検出器、１０・・・・
・・Ａ／Ｄ変換器、１１・・・・・・制御回路、１２・
・・・・・メモリ、１３・・・・・・ＭＰＵ。 １４．１５・・・・・・電源。FIG. 1 is an electrical configuration diagram showing an example of a burnout detection circuit of a conventional device, FIG. 2 is an electrical configuration diagram showing an embodiment of the present invention, and FIG. 3 is a timing chart. 1, T1~Tn...Thermocouple, Co, C, ~C
n...Flying capacitor, 9w1. sw
1', sw2. s□□〜s1n, sl,・〜S,
. + S2+ S3+ S4+ S4'... Switch, 2... Comparator, 3... Pulse generator, 4... Alarm detector, 10...・
... A/D converter, 11... Control circuit, 12.
...Memory, 13...MPU. 14.15...Power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] フライングキャパシタ方式のマルチプレクサをもった多
点アナログ信号測定装置において、各チャネルごとのＡ
／Ｄ変換終了後に当該チャネルのキ、　　ヤパシタに微
少な定電流により充電する手段と、各入力の時点の異な
る測定値間の差分を所定の基準値と比較してバーンアウ
トを検出する手段を具備したことを特徴とする多点アナ
ログ信号測定装置。In a multi-point analog signal measurement device with a flying capacitor type multiplexer, the A for each channel is
The device is equipped with means for charging the key and capacitor of the channel with a small constant current after completion of /D conversion, and means for detecting burnout by comparing the difference between the measured values at different times of each input with a predetermined reference value. A multi-point analog signal measuring device characterized by:
JP2565183U 1983-02-23 1983-02-23 Multipoint analog signal measurement device Granted JPS59134897U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2565183U JPS59134897U (en) 1983-02-23 1983-02-23 Multipoint analog signal measurement device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2565183U JPS59134897U (en) 1983-02-23 1983-02-23 Multipoint analog signal measurement device

Publications (2)

Publication Number Publication Date
JPS59134897U true JPS59134897U (en) 1984-09-08
JPH0325274Y2 JPH0325274Y2 (en) 1991-05-31

Family

ID=30156629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2565183U Granted JPS59134897U (en) 1983-02-23 1983-02-23 Multipoint analog signal measurement device

Country Status (1)

Country Link
JP (1) JPS59134897U (en)

Also Published As

Publication number Publication date
JPH0325274Y2 (en) 1991-05-31

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