JPH01151262U - - Google Patents

Info

Publication number
JPH01151262U
JPH01151262U JP4856988U JP4856988U JPH01151262U JP H01151262 U JPH01151262 U JP H01151262U JP 4856988 U JP4856988 U JP 4856988U JP 4856988 U JP4856988 U JP 4856988U JP H01151262 U JPH01151262 U JP H01151262U
Authority
JP
Japan
Prior art keywords
wires
detection system
normally
detecting
current level
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
JP4856988U
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 JP4856988U priority Critical patent/JPH01151262U/ja
Priority to AT89106418T priority patent/ATE140569T1/de
Priority to DE68926829T priority patent/DE68926829T2/de
Priority to EP89106418A priority patent/EP0337396B1/en
Publication of JPH01151262U publication Critical patent/JPH01151262U/ja
Priority to US07/643,093 priority patent/US5142235A/en
Pending legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Description

【図面の簡単な説明】
第１図は、この考案の一実施例を示す二線式検
出システムの回路構成を示す図、第２図は、この
考案の電流レベル検出を説明するための電流レベ
ル段階を示す説明図である。 １：近接スイツチ、２：コントローラ、３ａ・
３ｂ：二線線路、４：論理回路、ＣＭ１・ＣＭ２
・ＣＭ３・ＣＭ４：コンパレータ、Ｒ：電流レベ
ル検出用抵抗。

Claims (1)

  1. 【実用新案登録請求の範囲】 二線式センサとコントローラが二線で接続され
    てなる二線式検出システムにおいて、 前記二線に流れる電流レベルを検出する手段と
    、検出された電流レベルが、予め定めるレベル段
    階のいずれに属するか識別する手段と、識別され
    たレベル段階に応じ、断線、正常ＯＦＦ、不安定
    、正常ＯＮ、短絡のいずれかの状態信号を出力す
    る手段とを備えたことを特徴とする二線式検出シ
    ステム。
JP4856988U 1988-04-11 1988-04-11 Pending JPH01151262U (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP4856988U JPH01151262U (ja) 1988-04-11 1988-04-11
AT89106418T ATE140569T1 (de) 1988-04-11 1989-04-11 Zweidraht-sensorsystem mit mitteln zur selbstdiagnose
DE68926829T DE68926829T2 (de) 1988-04-11 1989-04-11 Zweidraht-Sensorsystem mit Mitteln zur Selbstdiagnose
EP89106418A EP0337396B1 (en) 1988-04-11 1989-04-11 Two-wire detection system having self-diagnosis means
US07/643,093 US5142235A (en) 1988-04-11 1991-01-22 Two wire detection system for producing abnormal state outputs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4856988U JPH01151262U (ja) 1988-04-11 1988-04-11

Publications (1)

Publication Number Publication Date
JPH01151262U true JPH01151262U (ja) 1989-10-19

Family

ID=31274710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4856988U Pending JPH01151262U (ja) 1988-04-11 1988-04-11

Country Status (1)

Country Link
JP (1) JPH01151262U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04130718U (ja) * 1991-05-24 1992-11-30 象印マホービン株式会社 センサ接続不良検出装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156570A (ja) * 1985-12-27 1987-07-11 Noritsu Co Ltd 抵抗値検出回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156570A (ja) * 1985-12-27 1987-07-11 Noritsu Co Ltd 抵抗値検出回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04130718U (ja) * 1991-05-24 1992-11-30 象印マホービン株式会社 センサ接続不良検出装置

Similar Documents

Publication Publication Date Title
JPH0354030U (ja)
JPH01151262U (ja)
JPS5926465Y2 (ja) 感知器
JPH022337U (ja)
JPH0433192U (ja)
JPH0450536U (ja)
JPH02119787U (ja)
JPS61144556U (ja)
JPS62134077U (ja)
JPH0172689U (ja)
JPS6421554U (ja)
JPS62112044U (ja)
JPH0455850U (ja)
JPS6417470U (ja)
JPS61166340U (ja)
JPS62117688U (ja)
JPS62130949U (ja)
JPH0295995U (ja)
JPS63121947U (ja)
JPS6170294U (ja)
JPS63187199U (ja)
JPS62178639U (ja)
JPS6289086U (ja)
JPH0312125U (ja)
JPS6169647U (ja)