EP1808837A3 - Dual conductor apparatus, in particular measuring transducer using dual conductor technology - Google Patents

Dual conductor apparatus, in particular measuring transducer using dual conductor technology Download PDF

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Publication number
EP1808837A3
EP1808837A3 EP06023182A EP06023182A EP1808837A3 EP 1808837 A3 EP1808837 A3 EP 1808837A3 EP 06023182 A EP06023182 A EP 06023182A EP 06023182 A EP06023182 A EP 06023182A EP 1808837 A3 EP1808837 A3 EP 1808837A3
Authority
EP
European Patent Office
Prior art keywords
dual conductor
supply
life
zero
technology
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.)
Withdrawn
Application number
EP06023182A
Other languages
German (de)
French (fr)
Other versions
EP1808837A2 (en
Inventor
Heinz Dipl.-Ing. Wohlrab
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.)
Knick Elektronische Messgeraete GmbH and Co KG
Original Assignee
Knick Elektronische Messgeraete GmbH and Co KG
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 Knick Elektronische Messgeraete GmbH and Co KG filed Critical Knick Elektronische Messgeraete GmbH and Co KG
Publication of EP1808837A2 publication Critical patent/EP1808837A2/en
Publication of EP1808837A3 publication Critical patent/EP1808837A3/en
Withdrawn legal-status Critical Current

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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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

Ein Zweileiter-Gerät, insbesondere Messumformer in Zweileitertechnik, speist einen Life-Zero-Speisemessstromkreis (7, 8), der in einem Messmodus einen ein Messsignal repräsentierenden Life-Zero-Signalstrom (IS) mit definiertem Minimal- und Maximalwert, insbesondere von 4 mA und 20 mA, führt. Das Zweileiter-Gerät (1) ist zur Speisung eines Sonderbetriebszustandes mit hohem Leistungsbedarf in einen Versorgungsmodus versetzbar ist, in dem der Life-Zero-Speisemessstromkreis (7, 8) einen Versorgungsstrom mit einem Wert über dem Maximalwert des Life-Zero-Signalstromes, insbesondere von über 21 mA, führt.

Figure imgaf001
A two-wire device, in particular a transmitter in two-wire technology, feeds a life-zero supply measuring circuit (7, 8) which in a measuring mode displays a life-zero signal current (I S ) representing a measured signal with a defined minimum and maximum value, in particular 4 mA and 20 mA leads. The two-wire device (1) can be set to supply a special operating state with high power requirement in a supply mode in which the life zero supply measuring circuit (7, 8) a supply current with a value above the maximum value of the life zero signal current, in particular of over 21 mA leads.
Figure imgaf001
EP06023182A 2006-01-13 2006-11-08 Dual conductor apparatus, in particular measuring transducer using dual conductor technology Withdrawn EP1808837A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610001704 DE102006001704A1 (en) 2006-01-13 2006-01-13 Two-wire device, especially two-wire transmitter

Publications (2)

Publication Number Publication Date
EP1808837A2 EP1808837A2 (en) 2007-07-18
EP1808837A3 true EP1808837A3 (en) 2008-06-25

Family

ID=38043050

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06023182A Withdrawn EP1808837A3 (en) 2006-01-13 2006-11-08 Dual conductor apparatus, in particular measuring transducer using dual conductor technology

Country Status (2)

Country Link
EP (1) EP1808837A3 (en)
DE (1) DE102006001704A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018122014A1 (en) * 2018-09-10 2020-03-12 Endress + Hauser Flowtec Ag Measuring system and measuring arrangement thus formed

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020004370A1 (en) * 2000-07-06 2002-01-10 Florian Stengele Field transmitter
US20030097521A1 (en) * 2000-03-22 2003-05-22 Martin Pfandler Method for reprogramming a field device
US20040117675A1 (en) * 2002-12-03 2004-06-17 Brockhaus Ing. Helmut Electric device and method for operating an electric device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348673A (en) * 1978-10-13 1982-09-07 The Foxboro Company Instrumentation system with electric signal transmitter
DE19756640A1 (en) * 1997-07-31 1999-02-04 Knick Elektronische Mesgeraete Potential separation transformer for measuring system
DE10015619A1 (en) * 2000-03-29 2001-10-04 Endress Hauser Gmbh Co Programmable field device
DE10322262B4 (en) * 2003-05-16 2006-05-04 Knick Elektronische Messgeräte GmbH & Co. KG Signal isolator for measuring signals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030097521A1 (en) * 2000-03-22 2003-05-22 Martin Pfandler Method for reprogramming a field device
US20020004370A1 (en) * 2000-07-06 2002-01-10 Florian Stengele Field transmitter
US20040117675A1 (en) * 2002-12-03 2004-06-17 Brockhaus Ing. Helmut Electric device and method for operating an electric device

Also Published As

Publication number Publication date
EP1808837A2 (en) 2007-07-18
DE102006001704A1 (en) 2007-07-26

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