DE69626649D1 - Isolierungsschaltung fur sender-elektronik in einem prozesssteuerungssystem - Google Patents

Isolierungsschaltung fur sender-elektronik in einem prozesssteuerungssystem

Info

Publication number
DE69626649D1
DE69626649D1 DE69626649T DE69626649T DE69626649D1 DE 69626649 D1 DE69626649 D1 DE 69626649D1 DE 69626649 T DE69626649 T DE 69626649T DE 69626649 T DE69626649 T DE 69626649T DE 69626649 D1 DE69626649 D1 DE 69626649D1
Authority
DE
Germany
Prior art keywords
control system
process control
insulation circuit
transmitter electronics
electronics
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 - Lifetime
Application number
DE69626649T
Other languages
English (en)
Other versions
DE69626649T2 (de
Inventor
L Schlesinger
E Kyro
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.)
Rosemount Inc
Original Assignee
Rosemount 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 Rosemount Inc filed Critical Rosemount Inc
Publication of DE69626649D1 publication Critical patent/DE69626649D1/de
Application granted granted Critical
Publication of DE69626649T2 publication Critical patent/DE69626649T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
DE69626649T 1995-07-28 1996-07-23 Isolierungsschaltung fur sender-elektronik in einem prozesssteuerungssystem Expired - Lifetime DE69626649T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/508,551 US5610552A (en) 1995-07-28 1995-07-28 Isolation circuitry for transmitter electronics in process control system
US508551 1995-07-28
PCT/US1996/012108 WO1997005588A1 (en) 1995-07-28 1996-07-23 Isolation circuitry for transmitter electronics in process control system

Publications (2)

Publication Number Publication Date
DE69626649D1 true DE69626649D1 (de) 2003-04-17
DE69626649T2 DE69626649T2 (de) 2004-02-05

Family

ID=24023173

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69626649T Expired - Lifetime DE69626649T2 (de) 1995-07-28 1996-07-23 Isolierungsschaltung fur sender-elektronik in einem prozesssteuerungssystem

Country Status (5)

Country Link
US (1) US5610552A (de)
EP (1) EP0842505B1 (de)
CA (1) CA2227906A1 (de)
DE (1) DE69626649T2 (de)
WO (1) WO1997005588A1 (de)

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US5764891A (en) * 1996-02-15 1998-06-09 Rosemount Inc. Process I/O to fieldbus interface circuit
US5956663A (en) * 1996-11-07 1999-09-21 Rosemount, Inc. Signal processing technique which separates signal components in a sensor for sensor diagnostics
US6233285B1 (en) 1997-12-23 2001-05-15 Honeywell International Inc. Intrinsically safe cable drive circuit
US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6813318B1 (en) 1999-04-30 2004-11-02 Rosemount Inc, Process transmitter having a step-up converter for powering analog components
US6525915B1 (en) * 1999-06-11 2003-02-25 Relcom, Inc. Adaptive current source for network isolation
US6956826B1 (en) 1999-07-07 2005-10-18 Serconet Ltd. Local area network for distributing data communication, sensing and control signals
US6549616B1 (en) 2000-03-20 2003-04-15 Serconet Ltd. Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
US6961303B1 (en) 2000-09-21 2005-11-01 Serconet Ltd. Telephone communication system and method over local area network wiring
US6839546B2 (en) * 2002-04-22 2005-01-04 Rosemount Inc. Process transmitter with wireless communication link
US7271646B2 (en) * 2002-09-30 2007-09-18 Magnetrol International, Inc. Loop powered process control instrument power supply
IL152824A (en) 2002-11-13 2012-05-31 Mosaid Technologies Inc A socket that can be connected to and the network that uses it
US6904476B2 (en) 2003-04-04 2005-06-07 Rosemount Inc. Transmitter with dual protocol interface
IL159838A0 (en) * 2004-01-13 2004-06-20 Yehuda Binder Information device
US7187158B2 (en) * 2004-04-15 2007-03-06 Rosemount, Inc. Process device with switching power supply
US8145180B2 (en) * 2004-05-21 2012-03-27 Rosemount Inc. Power generation for process devices
US7262693B2 (en) * 2004-06-28 2007-08-28 Rosemount Inc. Process field device with radio frequency communication
US8160535B2 (en) * 2004-06-28 2012-04-17 Rosemount Inc. RF adapter for field device
US7680460B2 (en) * 2005-01-03 2010-03-16 Rosemount Inc. Wireless process field device diagnostics
WO2007002769A1 (en) 2005-06-27 2007-01-04 Rosemount Inc. Field device with dynamically adjustable power consumption radio frequency communication
US7489535B2 (en) * 2006-10-28 2009-02-10 Alpha & Omega Semiconductor Ltd. Circuit configurations and methods for manufacturing five-volt one time programmable (OTP) memory arrays
US7970063B2 (en) * 2008-03-10 2011-06-28 Rosemount Inc. Variable liftoff voltage process field device
CN102084307B (zh) * 2008-06-17 2014-10-29 罗斯蒙特公司 用于具有低压本质安全钳的现场设备的rf适配器
CA2726534C (en) * 2008-06-17 2016-03-22 Rosemount Inc. Rf adapter for field device with loop current bypass
US8694060B2 (en) * 2008-06-17 2014-04-08 Rosemount Inc. Form factor and electromagnetic interference protection for process device wireless adapters
US8929948B2 (en) * 2008-06-17 2015-01-06 Rosemount Inc. Wireless communication adapter for field devices
WO2009154756A1 (en) 2008-06-17 2009-12-23 Rosemount Inc. Rf adapter for field device with variable voltage drop
US8035507B2 (en) 2008-10-28 2011-10-11 Cooper Technologies Company Method and apparatus for stimulating power line carrier injection with reactive oscillation
US20100289629A1 (en) * 2008-10-28 2010-11-18 Cooper Technologies Company Load Control Device with Two-Way Communication Capabilities
US8626087B2 (en) * 2009-06-16 2014-01-07 Rosemount Inc. Wire harness for field devices used in a hazardous locations
US9674976B2 (en) * 2009-06-16 2017-06-06 Rosemount Inc. Wireless process communication adapter with improved encapsulation
US9075029B2 (en) * 2011-01-31 2015-07-07 Scott Technologies, Inc. System and method for automatically adjusting gas sensor settings and parameters
US8786128B2 (en) 2010-05-11 2014-07-22 Rosemount Inc. Two-wire industrial process field device with power scavenging
US10761524B2 (en) 2010-08-12 2020-09-01 Rosemount Inc. Wireless adapter with process diagnostics
US9310794B2 (en) 2011-10-27 2016-04-12 Rosemount Inc. Power supply for industrial process field device
US9048901B2 (en) 2013-03-15 2015-06-02 Rosemount Inc. Wireless interface within transmitter

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US3573774A (en) * 1967-05-08 1971-04-06 Foxboro Co Two-wire transmission system for remote indication
US3959786A (en) * 1975-06-03 1976-05-25 Rochester Instrument Systems, Inc. Isolated two-wire transmitter
US4137770A (en) * 1977-12-05 1979-02-06 The United States Of America As Represented By The Secretary Of The Navy Electronic thermostat
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US4746897A (en) * 1984-01-30 1988-05-24 Westinghouse Electric Corp. Apparatus for transmitting and receiving a power line
GB2174205B (en) * 1985-04-03 1988-06-08 Smiths Industries Plc Fluid gauging system
US4691328A (en) * 1985-08-12 1987-09-01 The Babcock & Wilcox Company On-line serial communication interface from a computer to a current loop
US4607247A (en) * 1985-08-12 1986-08-19 The Babcock & Wilcox Company On-line serial communication interface from a transmitter to a current loop
JPH0681345B2 (ja) * 1986-03-31 1994-10-12 株式会社日立製作所 遠方監視制御方式
DE3644868A1 (de) * 1986-09-16 1988-03-24 Siegfried Dipl Ing Schwarz Teilnehmer an einem lokalen netzwerk
US4806905A (en) * 1986-10-01 1989-02-21 Honeywell Inc. Transmitter for transmitting on a two-wire transmitting line
US4714912A (en) * 1986-12-31 1987-12-22 General Electric Company Single-conductor power line communications system
GB8712865D0 (en) * 1987-06-02 1987-07-08 Measurement Tech Ltd Safety barriers
CH674113A5 (de) * 1987-09-09 1990-04-30 Willemin Electronic S A
US4885563A (en) * 1988-05-03 1989-12-05 Thermo King Corporation Power line carrier communication system
US4903006A (en) * 1989-02-16 1990-02-20 Thermo King Corporation Power line communication system
DE3906621C2 (de) * 1989-03-02 1995-05-04 Hemscheidt Maschf Hermann Eigensichere Stromversorgungseinheit
US5028746A (en) * 1989-08-31 1991-07-02 Rosemount Inc. Cable protector for wound cable
EP0495001B1 (de) * 1989-10-02 1999-02-17 Rosemount Inc. In einer arbeitsumgebung montierte steuereinheit
US5136630A (en) * 1990-07-13 1992-08-04 Gai-Tronics Intrinsically safe telephone
JP3222149B2 (ja) * 1991-01-31 2001-10-22 パイオニア株式会社 グランド・アイソレート回路
CA2049618A1 (en) * 1991-07-18 1993-01-19 Christopher J. O'brien Integrated transmitter and controller
US5207101A (en) * 1991-09-06 1993-05-04 Magnetrol International Inc. Two-wire ultrasonic transmitter
US5339070A (en) * 1992-07-21 1994-08-16 Srs Technologies Combined UV/IR flame detection system
US5493488A (en) * 1994-12-05 1996-02-20 Moore Industries International, Inc. Electro-pneumatic control system and PID control circuit

Also Published As

Publication number Publication date
EP0842505B1 (de) 2003-03-12
US5610552A (en) 1997-03-11
CA2227906A1 (en) 1997-02-13
WO1997005588A1 (en) 1997-02-13
EP0842505A1 (de) 1998-05-20
DE69626649T2 (de) 2004-02-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition