JPS4929157A - - Google Patents

Info

Publication number
JPS4929157A
JPS4929157A JP48043285A JP4328573A JPS4929157A JP S4929157 A JPS4929157 A JP S4929157A JP 48043285 A JP48043285 A JP 48043285A JP 4328573 A JP4328573 A JP 4328573A JP S4929157 A JPS4929157 A JP S4929157A
Authority
JP
Japan
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
JP48043285A
Other versions
JPS6013237B2 (ja
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
Publication of JPS4929157A publication Critical patent/JPS4929157A/ja
Publication of JPS6013237B2 publication Critical patent/JPS6013237B2/ja
Expired 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
    • G01K7/021—Particular circuit arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
JP48043285A 1972-05-08 1973-04-18 隔離した変換回路を具備した２線式電流送信機 Expired JPS6013237B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25088272A 1972-05-08 1972-05-08
US250882 1972-05-08

Publications (2)

Publication Number Publication Date
JPS4929157A true JPS4929157A (ja) 1974-03-15
JPS6013237B2 JPS6013237B2 (ja) 1985-04-05

Family

ID=22949540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48043285A Expired JPS6013237B2 (ja) 1972-05-08 1973-04-18 隔離した変換回路を具備した２線式電流送信機

Country Status (7)

Country Link
US (1) US3764880A (ja)
JP (1) JPS6013237B2 (ja)
BR (1) BR7303294D0 (ja)
CA (1) CA982654A (ja)
DE (1) DE2321900B2 (ja)
FR (1) FR2183860B1 (ja)
GB (1) GB1423263A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63163222A (ja) * 1986-12-26 1988-07-06 Mitsui Toatsu Chem Inc ２線式温度変換器

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2208520A5 (ja) * 1972-11-29 1974-06-21 Charbonnages De France
US4206397A (en) * 1978-03-13 1980-06-03 Rosemount Inc. Two wire current transmitter with improved voltage regulator
US4205327A (en) * 1978-03-13 1980-05-27 Rosemount Inc. Two wire current transmitter with adjustable current control linearization
DE2847206B2 (de) * 1978-10-30 1981-06-25 Hartmann & Braun Ag, 6000 Frankfurt Schaltungsanordnung zur galvanischen Trennung von analogen Gleichstromsignalen
US4331912A (en) * 1980-10-06 1982-05-25 Rosemount Inc. Circuit for converting a non-live zero current signal to a live zero DC output signal
US4748852A (en) * 1986-10-10 1988-06-07 Rosemount Inc. Transmitter with an improved span adjustment
AU646847B2 (en) * 1990-02-21 1994-03-10 Rosemount Inc. Multifunction isolation transformer
DE4121961A1 (de) * 1991-06-28 1993-01-07 Siemens Ag Schaltungsanordnung zur energieversorgung von feldgeraeten
EP0601046B1 (en) * 1991-09-07 1998-12-23 Phoenix Petroleum Services Ltd. Apparatus for transmitting instrumentation signals over power conductors
US5302889A (en) * 1992-06-19 1994-04-12 Honeywell Inc. Voltage regulator
GB2269568A (en) * 1992-08-10 1994-02-16 Lansing Linde Ltd Electrically powered device, eg vehicle with on-demand power steering.
DE4307916C1 (de) * 1993-03-12 1994-09-29 Heraeus Sensor Gmbh Temperaturüberwachungsvorrichtung mit Energieversorgung durch Thermoelement
DE4310910C2 (de) * 1993-04-02 1995-06-14 Siemens Ag Zweidraht-Ein-Aus-Schalter
DK0817149T3 (da) * 1996-06-28 1999-11-15 Endress & Hauser Wetzer Gmbh Kredsløb til overførsel af en målestrøm fra en i sig selv sikker sensor til et i sig selv ikke sikkert område
DE19640829A1 (de) * 1996-10-02 1998-03-12 Siemens Ag Schaltungsanordnung
GB2332527B (en) * 1997-12-19 2002-10-30 Abb Kent Taylor Ltd Electromagnetic flowmeter
EP0927982B2 (de) * 1997-12-30 2011-11-23 Endress + Hauser GmbH + Co. KG Messumformer-Speisegerät
DE19949623C1 (de) * 1999-10-14 2001-05-10 Asm Automation Sensorik Messte Störfester Meßumformer für Potentiometer und Verfahren zur Erhöhung der Störfestigkeit
ES2367988T3 (es) * 2003-04-30 2011-11-11 White Box Inc. Módulo conector para termopares.
US7844410B2 (en) * 2006-07-03 2010-11-30 Endress + Hauser Flowtec Ag Field device electronics fed by an external electrical energy supply
DE102006030962A1 (de) * 2006-07-03 2008-01-31 Endress + Hauser Flowtec Ag Von einer externen elektrischen Energieversorgung gespeiste Feldgerät-Elektronik
DE102006051900A1 (de) * 2006-10-31 2008-05-08 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Bestimmung und/oder Überwachung mindestens einer Prozessgröße
DE102006055396A1 (de) * 2006-11-22 2008-05-29 Endress + Hauser Gmbh + Co. Kg Signaltrenneinheit für eine Zwei-Leiter-Prozessregelschleife
DE102007060555A1 (de) 2007-12-13 2009-06-18 Endress + Hauser Wetzer Gmbh + Co Kg Vorrichtung zur Übertragung von elektrischer Energie und Information
EP2561603B1 (de) 2010-04-19 2019-09-04 Endress+Hauser Flowtec AG Treiberschaltung für einen messwandler sowie damit gebildetes messsystem
DE202010006553U1 (de) 2010-05-06 2011-10-05 Endress + Hauser Flowtec Ag Elektronisches Meßgerät mit einem Optokoppler
DE102016114860A1 (de) 2016-08-10 2018-02-15 Endress + Hauser Flowtec Ag Treiberschaltung sowie damit gebildete Umformer-Elektronik bzw. damit gebildetes Meßsystem
CN109283871B (zh) * 2018-09-28 2023-12-08 承德万达高新仪表有限公司 一种带有干接点输出报警功能的二线制智能型变送器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4632396Y1 (ja) * 1971-04-13 1971-11-09

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517556A (en) * 1967-05-02 1970-06-30 Monsanto Co Resistive-type temperature-to-current transducer
US3503261A (en) * 1967-11-01 1970-03-31 Fischer & Porter Co Resistance to current converter
US3538355A (en) * 1968-05-27 1970-11-03 Rosemount Eng Co Ltd Current transmitter responsive to a d.c. isolated voltage signal
US3581184A (en) * 1969-05-19 1971-05-25 Honeywell Inc Isolator for dc signal transmitter
US3573599A (en) * 1969-10-27 1971-04-06 Rosemount Eng Co Ltd Two-wire current transmitter with transformer isolation
US3624455A (en) * 1970-08-28 1971-11-30 Melvin W Hillman Signal-comparing system, particularly for temperature-sensing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4632396Y1 (ja) * 1971-04-13 1971-11-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63163222A (ja) * 1986-12-26 1988-07-06 Mitsui Toatsu Chem Inc ２線式温度変換器

Also Published As

Publication number Publication date
US3764880A (en) 1973-10-09
FR2183860A1 (ja) 1973-12-21
DE2321900B2 (de) 1977-02-17
DE2321900A1 (de) 1973-11-22
CA982654A (en) 1976-01-27
GB1423263A (en) 1976-02-04
JPS6013237B2 (ja) 1985-04-05
BR7303294D0 (pt) 1974-07-11
FR2183860B1 (ja) 1977-02-11

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Legal Events

Date Code Title Description
A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 19840117