JP5924545B2 - 絶縁型信号伝送装置 - Google Patents
絶縁型信号伝送装置 Download PDFInfo
- Publication number
- JP5924545B2 JP5924545B2 JP2013210143A JP2013210143A JP5924545B2 JP 5924545 B2 JP5924545 B2 JP 5924545B2 JP 2013210143 A JP2013210143 A JP 2013210143A JP 2013210143 A JP2013210143 A JP 2013210143A JP 5924545 B2 JP5924545 B2 JP 5924545B2
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- JP
- Japan
- Prior art keywords
- signal
- circuit
- output
- current
- communication
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
-
- 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—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25132—Superposition data signals on power lines for actuators
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34423—Optical isolation, galvanic isolation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/547—Systems for power line communications via DC power distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5483—Systems for power line communications using coupling circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Programmable Controllers (AREA)
- Dc Digital Transmission (AREA)
Description
ここで、前記直流信号は、4−20mAの直流電流信号とすることができる。
また、前記下限リミッタ回路が、前記制御側装置からの直流信号が前記所定範囲の上限値超の場合に、前記制御対象装置に前記上限値の直流信号を出力する上限リミット機能を備えるようにしてもよい。
Claims (3)
- 所定範囲の直流信号に通信信号を重畳した電気信号を、制御側装置から前記直流信号を動作電源とする制御対象装置に絶縁伝送する絶縁型信号伝送装置であって、
前記制御側装置からの直流信号が前記制御対象装置の最小動作値未満の場合に、前記制御対象装置に前記制御対象装置の最小動作値以上、前記所定範囲の下限値未満の直流信号を出力するための下限リミッタ回路を備えたことを特徴とする絶縁型信号伝送装置。 - 前記直流信号は、4−20mAの直流電流信号であることを特徴とする請求項1に記載の絶縁型信号伝送装置。
- 前記下限リミッタ回路が、前記制御側装置からの直流信号が前記所定範囲の上限値超の場合に、前記制御対象装置に前記上限値の直流信号を出力する上限リミット機能を備えていることを特徴とする請求項1または2に記載の絶縁型信号伝送装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013210143A JP5924545B2 (ja) | 2013-10-07 | 2013-10-07 | 絶縁型信号伝送装置 |
EP14187564.1A EP2858257B1 (en) | 2013-10-07 | 2014-10-02 | Isolated signal transmission apparatus |
US14/506,788 US9735622B2 (en) | 2013-10-07 | 2014-10-06 | Isolated signal transmission apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013210143A JP5924545B2 (ja) | 2013-10-07 | 2013-10-07 | 絶縁型信号伝送装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015076665A JP2015076665A (ja) | 2015-04-20 |
JP5924545B2 true JP5924545B2 (ja) | 2016-05-25 |
Family
ID=51846453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013210143A Active JP5924545B2 (ja) | 2013-10-07 | 2013-10-07 | 絶縁型信号伝送装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9735622B2 (ja) |
EP (1) | EP2858257B1 (ja) |
JP (1) | JP5924545B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108594721B (zh) * | 2018-06-05 | 2023-12-19 | 北京博阳慧源电力科技有限公司 | 一种能自动切换直流输入信号类型的箱变测控装置 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3999084A (en) * | 1975-07-24 | 1976-12-21 | Gte Laboratories Incorporated | Limiting amplifier with adjustable limits |
JPS62125706A (ja) * | 1985-11-26 | 1987-06-08 | Victor Co Of Japan Ltd | 電圧電流変換回路 |
JPS63209314A (ja) * | 1987-02-26 | 1988-08-30 | Toshiba Corp | リミツタ回路 |
WO1997014213A1 (en) * | 1995-10-09 | 1997-04-17 | Philips Electronics N.V. | Limiter circuit |
JP3619984B2 (ja) * | 1999-08-06 | 2005-02-16 | 横河電機株式会社 | 2線式伝送器 |
US6882924B2 (en) * | 2003-05-05 | 2005-04-19 | Precision Engine Controls Corp. | Valve flow control system and method |
JP4297748B2 (ja) * | 2003-08-21 | 2009-07-15 | 日置電機株式会社 | リミッタ回路 |
CA2543311A1 (en) * | 2003-10-24 | 2005-05-06 | Square D Company | Intelligent power management control system |
DE102005001322B4 (de) * | 2005-01-11 | 2010-07-08 | Dspace Digital Signal Processing And Control Engineering Gmbh | Verfahren und Schaltung zur galvanisch getrennten Übertragung eines Signals |
US7423588B1 (en) * | 2005-05-19 | 2008-09-09 | Pds Electronics, Inc. | Phased array antenna system |
JP4785627B2 (ja) * | 2006-06-08 | 2011-10-05 | 三洋電機株式会社 | 電動車両用漏電検出回路および電動車両用漏電検出方法 |
US8552749B2 (en) * | 2007-02-13 | 2013-10-08 | Linear Technology Corporation | Measuring cable resistance in system for providing power over communication cable |
EP2173025A1 (en) * | 2007-06-29 | 2010-04-07 | Murata Manufacturing Co. Ltd. | Switching power unit |
US8207635B2 (en) * | 2009-02-20 | 2012-06-26 | Redwood Systems, Inc. | Digital switch communication |
WO2010101661A1 (en) * | 2009-03-06 | 2010-09-10 | Amperion Incorporated | Station communications over electrical transmission lines |
EP2360805B1 (en) * | 2010-02-19 | 2015-08-26 | Hochschule Luzern Technik & Architektur | Electrical power transmission system of a vehicle. |
JP2011239362A (ja) * | 2010-04-16 | 2011-11-24 | Yokogawa Electric Corp | 絶縁型信号伝送装置 |
JP5170165B2 (ja) * | 2010-06-11 | 2013-03-27 | 株式会社村田製作所 | 絶縁型スイッチング電源装置 |
US8792257B2 (en) * | 2011-03-25 | 2014-07-29 | Power Systems Technologies, Ltd. | Power converter with reduced power dissipation |
JP5844106B2 (ja) * | 2011-09-28 | 2016-01-13 | 三洋電機株式会社 | 車両用の電源装置とこの電源装置を備える車両 |
US8896757B2 (en) * | 2012-08-27 | 2014-11-25 | Sony Corporation | Delta-sigma A/D converter, limiter circuit and television receiver |
FR2998430B1 (fr) * | 2012-11-20 | 2016-01-08 | Thales Sa | Transmission de puissance electrique sur cable de transmission de donnees |
-
2013
- 2013-10-07 JP JP2013210143A patent/JP5924545B2/ja active Active
-
2014
- 2014-10-02 EP EP14187564.1A patent/EP2858257B1/en active Active
- 2014-10-06 US US14/506,788 patent/US9735622B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2858257A1 (en) | 2015-04-08 |
US9735622B2 (en) | 2017-08-15 |
US20150097421A1 (en) | 2015-04-09 |
EP2858257B1 (en) | 2018-12-12 |
JP2015076665A (ja) | 2015-04-20 |
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