CN1107248C - 有关于可编程逻辑控制器的故障监视电路 - Google Patents

有关于可编程逻辑控制器的故障监视电路 Download PDF

Info

Publication number
CN1107248C
CN1107248C CN96199445A CN96199445A CN1107248C CN 1107248 C CN1107248 C CN 1107248C CN 96199445 A CN96199445 A CN 96199445A CN 96199445 A CN96199445 A CN 96199445A CN 1107248 C CN1107248 C CN 1107248C
Authority
CN
China
Prior art keywords
comparer
resistor
signal
output
fault monitoring
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.)
Expired - Fee Related
Application number
CN96199445A
Other languages
English (en)
Chinese (zh)
Other versions
CN1211327A (zh
Inventor
小S·W·莫赖
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.)
SIEMENS BUILDING TECH AG
Original Assignee
Siemens Industrial Automation Inc
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 Siemens Industrial Automation Inc filed Critical Siemens Industrial Automation Inc
Publication of CN1211327A publication Critical patent/CN1211327A/zh
Application granted granted Critical
Publication of CN1107248C publication Critical patent/CN1107248C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054—Input/output
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G05B19/0425—Safety, monitoring
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/058—Safety, monitoring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Electronic Switches (AREA)
CN96199445A 1995-12-29 1996-12-11 有关于可编程逻辑控制器的故障监视电路 Expired - Fee Related CN1107248C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/586,014 1995-12-29
US08/586,014 US5757275A (en) 1995-12-29 1995-12-29 Fault monitoring technique for programmable logic controllers

Publications (2)

Publication Number Publication Date
CN1211327A CN1211327A (zh) 1999-03-17
CN1107248C true CN1107248C (zh) 2003-04-30

Family

ID=24343945

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96199445A Expired - Fee Related CN1107248C (zh) 1995-12-29 1996-12-11 有关于可编程逻辑控制器的故障监视电路

Country Status (7)

Country Link
US (1) US5757275A (2)
EP (1) EP0870217B1 (2)
CN (1) CN1107248C (2)
DE (1) DE69623813T2 (2)
ES (1) ES2183990T3 (2)
IN (1) IN190366B (2)
WO (1) WO1997024647A1 (2)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0949759A1 (de) * 1998-04-09 1999-10-13 Electrowatt Technology Innovation AG Anordnung zur Erzeugung eines Ausgangssignals aus einem Eingangssignal in einem Elektrizitätszähler, einem Rundsteuerempfänger, einer Kombination derselben und/oder einem zugehörigen Zusatzgerät, wobei das Ausgangssignal unabhängig vom Pegel des Eingangssignals einen definierten Pegel besitzt
DE19823441C1 (de) * 1998-05-19 1999-07-08 Siemens Ag Digitaleingabebaugruppe
US7123156B2 (en) * 1999-12-17 2006-10-17 L.S. Unico, Inc. Lighted status indicator corresponding to the positions of circuit breaker, switch or fuse
KR100606144B1 (ko) * 2002-03-06 2006-08-01 산켄덴키 가부시키가이샤 교류신호의 레벨검출회로
US6941389B2 (en) * 2002-03-29 2005-09-06 First Data Corporation System and method for processing I/O by disabling output for configuration processor when processor clock is inactive and resuming processor after predetermined period of time
US20040076273A1 (en) * 2002-10-18 2004-04-22 Oman Paul W. Text-to-voice system for communicating operational information from a protective device for a power system to a human user
US7726521B2 (en) * 2004-08-17 2010-06-01 Mbhd, Llc Liquid dispenser
US8251110B2 (en) 2004-08-17 2012-08-28 Mbhd, Llc Filling adapter
USD532637S1 (en) 2004-12-17 2006-11-28 Mbhd, Llc Liquid dispenser body
US7315255B2 (en) * 2005-04-15 2008-01-01 George Sortiriou Load status indicator
WO2008021137A2 (en) * 2006-08-08 2008-02-21 Siemens Energy & Automation, Inc. Devices, systems, and methods regarding a plc system fault
CN101639676B (zh) * 2008-07-29 2011-09-28 上海梅山钢铁股份有限公司 Plc单通道多故障输出装置
US20120088127A1 (en) * 2010-10-08 2012-04-12 Dean Wright Energy Storage And Output System
CN102788895A (zh) * 2011-05-18 2012-11-21 富泰华工业（深圳）有限公司 交流电压侦测电路
CN105391441B (zh) * 2015-11-23 2018-09-11 南阳理工学院 低速光耦加速电路
US11622431B2 (en) * 2021-06-30 2023-04-04 Western Digital Technologies, Inc. Method and apparatus to control bi-color LEDs on enterprise and datacenter solid state drive (E3) form factor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322771A (en) * 1979-12-31 1982-03-30 Allen-Bradley Company Triac-protected output circuit
US4612445A (en) * 1983-02-15 1986-09-16 G.D. Societa Per Azioni System for monitoring the operation of input circuits to a central control and monitoring unit for machines and/or devices usable in production and/or product packaging lines
US4771403A (en) * 1984-11-16 1988-09-13 Allen-Bradley Company, Inc. I/O module with multi-function integrated circuits and an isolation interface for multiplexing data between a main processor and I/O devices
US4774656A (en) * 1983-06-03 1988-09-27 La Telemecanique Electrique Method and apparatus for protecting and monitoring the transmission of information between the central unit of a programmable controller and the sensors and/or the actuators of the controlled process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641546A (en) * 1970-01-02 1972-02-08 Gen Electric High-low voltage level sensor
US4077061A (en) * 1977-03-25 1978-02-28 Westinghouse Electric Corporation Digital processing and calculating AC electric energy metering system
JPS54135969U (2) * 1978-03-14 1979-09-20

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322771A (en) * 1979-12-31 1982-03-30 Allen-Bradley Company Triac-protected output circuit
US4612445A (en) * 1983-02-15 1986-09-16 G.D. Societa Per Azioni System for monitoring the operation of input circuits to a central control and monitoring unit for machines and/or devices usable in production and/or product packaging lines
US4774656A (en) * 1983-06-03 1988-09-27 La Telemecanique Electrique Method and apparatus for protecting and monitoring the transmission of information between the central unit of a programmable controller and the sensors and/or the actuators of the controlled process
US4771403A (en) * 1984-11-16 1988-09-13 Allen-Bradley Company, Inc. I/O module with multi-function integrated circuits and an isolation interface for multiplexing data between a main processor and I/O devices

Also Published As

Publication number Publication date
ES2183990T3 (es) 2003-04-01
CN1211327A (zh) 1999-03-17
EP0870217A1 (en) 1998-10-14
WO1997024647A1 (en) 1997-07-10
DE69623813T2 (de) 2003-08-07
IN190366B (2) 2003-07-19
US5757275A (en) 1998-05-26
DE69623813D1 (de) 2002-10-24
EP0870217B1 (en) 2002-09-18

Similar Documents

Publication Publication Date Title
CN1107248C (zh) 有关于可编程逻辑控制器的故障监视电路
CN111404115B (zh) 一种安全保护电路
US20030169052A1 (en) Faulty wiring detection device for air conditioner
CN213240402U (zh) 一种负载状态检测电路及系统
CN1154030C (zh) 可编程逻辑控制器的诊断输入装置
CN1139950C (zh) 监视交流开关的电路
WO2000073862A1 (en) An electronic means to sense actuation of ac output control circuitry
CN114784752A (zh) 漏电保护装置及其检测方法
US6359761B1 (en) Secondary ground fault protection
JP2851730B2 (ja) プログラマブルコントローラ
JP3584522B2 (ja) 照明装置
CN111579970B (zh) 测试电路、检测设备和检测电子开关板的方法
CN112072616B (zh) Ipm过流检测电路及电器
CA2238935C (en) Fault monitoring technique for programmable logic controllers
CN2653521Y (zh) 供电电网缺相检测电路
CN114878926A (zh) 一种三相供电故障自动检测电路
CN218383176U (zh) 一种检测电路及系统
JPS64756B2 (2)
CN212627300U (zh) 一种多电源自动切换装置
RU1791785C (ru) Пороговое устройство позиционного контрол терморезисторов
JPH01190130A (ja) ブースタ電源回路
CN114295886A (zh) 用于高压带电告警装置的处理装置及处理电路
KR930011102B1 (ko) 경고표시등 장치
CN121956929A (zh) 一种交流数字量波形诊断系统及方法
CN119396039A (zh) 数字量输入信号的通道采集电路

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SIEMENS BUILDING TECH AG

Free format text: FORMER OWNER: SIEMENS INDUSTRIAL AUTOMATION, INC.

Effective date: 20100810

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: GEOGIA STATE, USA TO: GEORGIA STATE, USA

TR01 Transfer of patent right

Effective date of registration: 20100810

Address after: American Georgia

Patentee after: Siemens Building Tech AG

Address before: Georgia, USA

Patentee before: Siemens Industrial Automation, Inc.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20030430

Termination date: 20141211

EXPY Termination of patent right or utility model