US20060132170A1 - device for a two-wire line terminal - Google Patents

device for a two-wire line terminal Download PDF

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Publication number
US20060132170A1
US20060132170A1 US10/538,526 US53852605A US2006132170A1 US 20060132170 A1 US20060132170 A1 US 20060132170A1 US 53852605 A US53852605 A US 53852605A US 2006132170 A1 US2006132170 A1 US 2006132170A1
Authority
US
United States
Prior art keywords
terminating
terminating resistor
recited
wire line
switching arrangement
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.)
Abandoned
Application number
US10/538,526
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English (en)
Inventor
Wilhelm Fahrbach
Udo Weyhersmueller
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.)
Robert Bosch GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to ROBERT BOSCH GMBH reassignment ROBERT BOSCH GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FAHRBACH, WILEHLM, WEYHERSMUELLER, UDO
Publication of US20060132170A1 publication Critical patent/US20060132170A1/en
Priority to US11/981,299 priority Critical patent/US7541830B2/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H04L12/40032—Details regarding a bus interface enhancer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G06F13/4086—Bus impedance matching, e.g. termination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/50—Systems for transmission between fixed stations via two-conductor transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/0298—Arrangement for terminating transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215—Controller Area Network CAN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40267—Bus for use in transportation systems
    • H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle

Definitions

  • the present invention relates to a device for a line termination of two-wire lines having a first and second terminating resistor between the two wires, the first and the second terminating resistor being connected in series.
  • a device for a line termination of two-wire lines is described in the German patent DE 195 25 350. It is described there that at least one first and one second terminating resistor are provided between the two wires of the two-wire line and that the two resistors be connected in series. Originating with the connecting line between the two resistors is a line that is connected to a fixed voltage potential, especially ground. Until now, the terminating resistor has always been permanently predefined, especially in a CAN bus system, i.e., either implemented or not implemented in the control unit. As a consequence, there is no flexibility in use.
  • the present invention provides a device for a line termination of two-wire lines having at least one first and one second terminating resistor between the two wires, the first and the second terminating resistor being connected in series, and at least one switching arrangement being provided between the two terminating resistors.
  • the device according to the present invention may be used in connection with a CAN bus system and assumes the receive and/or transmit function therein, so that the two-wire line is part of a CAN bus system, i.e., the lines CAN high and CAN low.
  • a switching logic which triggers the at least one switching means as a function of an input signal.
  • this input signal is generated by an arithmetic function block, e.g., the microcontroller itself.
  • a configurable terminating resistor in particular a CAN terminating resistor, makes it possible to adapt the termination resistor to the individual application, either by controlling the switching logic via software (via digital output from ⁇ c) or via hardware, i.e., by way of a hardware bridge in the cable harness plug.
  • the result is reduced expenditure for logistics and stock-keeping and, in particular, also lower costs for customers and suppliers.
  • a balancing member is connected between the terminating resistors, which, in an example embodiment, is able to be connected thereto by one switching means for each terminating resistor.
  • a control unit e.g., for the control of operating sequences in a vehicle, is able to be adapted to various applications by software configuration, in particular.
  • FIG. 1 shows a block diagram of a device according to the present invention.
  • FIG. 1 shows a CAN high and a CAN low line, CAN-H and CAN-L, respectively, which are connected to a component 100 via coupling elements 111 and 112 , respectively, which component 100 functions as a CAN transceiver, that is, component 100 assumes the receive and/or transmit functionality, i.e., the transceiver function of a CAN component in this respect.
  • the CAN-High and CAN-Low lines are guided to a driver module, in particular a CAN driver module 103 .
  • terminating resistors 107 and 108 are shown, which are connected in series and, with the aid of switching means 105 and 106 , are able to be connected to one another and also to a balancing unit, i.e., a balancing element 109 .
  • Switching means 105 and 106 are addressed by a control logic 104 , which action is symbolically denoted by the dashed arrows.
  • the control logic 104 itself receives an input signal via line 114 and an additional coupling element 110 , for instance from an output 113 of the arithmetic function block or microcontroller 101 .
  • the microcontroller 101 is connected to the driver module 103 for the communication via a communication connection 102 in a unidirectional and/or bidirectional manner.
  • the input signal may be generated or picked off digitally, i.e., via microcontroller output 113 , or via a bridge in the cable-harness plug.
  • the separation from the bus may be realized by two electrical switches, i.e., switching means 105 and 106 . This allows the configuration of the terminating resistor to be modified at any time via the microcontroller output; in the case of a bridge in the cable-harness plug, this is possible only after its reconfiguration.
  • the terminating resistor is able to be adapted to the particular application either by software-based or hardware-based triggering of the switching logic.
  • a software-based adaptation the digital output of microcontroller 101 will be used for this purpose.
  • a hardware-based adaptation this is implemented by a bridge in the cable-harness tree.
  • control units for the control of operating sequences e.g., in a motor vehicle, this minimizes the multitude of control devices for customers and suppliers.
  • An adaptation of the CAN terminating resistor of the control unit to various applications may therefore be implemented solely by modifying the software configuration, so that a simple and flexible possibility for a rapid application adaptation is provided.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dc Digital Transmission (AREA)
  • Small-Scale Networks (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
US10/538,526 2002-12-30 2003-12-16 device for a two-wire line terminal Abandoned US20060132170A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/981,299 US7541830B2 (en) 2002-12-30 2007-10-30 Device for a line termination of two-wire lines

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10261386A DE10261386A1 (de) 2002-12-30 2002-12-30 Vorrichtung für einen Leitungsabschluss von Zweidraht-Leitungen
DE10261386.9 2002-12-30
PCT/DE2003/004133 WO2004062219A1 (fr) 2002-12-30 2003-12-16 Dispositif pour une terminaison de lignes a deux fils

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/981,299 Continuation US7541830B2 (en) 2002-12-30 2007-10-30 Device for a line termination of two-wire lines

Publications (1)

Publication Number Publication Date
US20060132170A1 true US20060132170A1 (en) 2006-06-22

Family

ID=32478053

Family Applications (2)

Application Number Title Priority Date Filing Date
US10/538,526 Abandoned US20060132170A1 (en) 2002-12-30 2003-12-16 device for a two-wire line terminal
US11/981,299 Expired - Lifetime US7541830B2 (en) 2002-12-30 2007-10-30 Device for a line termination of two-wire lines

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/981,299 Expired - Lifetime US7541830B2 (en) 2002-12-30 2007-10-30 Device for a line termination of two-wire lines

Country Status (8)

Country Link
US (2) US20060132170A1 (fr)
EP (1) EP1582040B1 (fr)
JP (1) JP4268139B2 (fr)
KR (1) KR101076154B1 (fr)
CN (1) CN100559782C (fr)
AU (1) AU2003294657A1 (fr)
DE (1) DE10261386A1 (fr)
WO (1) WO2004062219A1 (fr)

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WO2013164533A1 (fr) * 2012-05-02 2013-11-07 Peugeot Citroen Automobiles Sa Unite de commande electronique a terminaison de ligne configurable
US20140023365A1 (en) * 2012-07-17 2014-01-23 Teledyne Instruments, Inc. Systems and methods for subsea optical can buses
US20160275032A1 (en) * 2015-03-16 2016-09-22 Robert Bosch Gmbh Participating Station for a Bus System and Method for Data Transmission in a Bus System
US9577601B2 (en) 2011-07-01 2017-02-21 Siemens Aktiengesellschaft Broadcast serial bus termination
US20190027937A1 (en) * 2017-07-24 2019-01-24 Clark Equipment Company Can bus terminating resistor arrangement
US10333744B2 (en) * 2015-12-14 2019-06-25 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Circuit assembly for a switchable line termination of a serial bus

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DE102006018871A1 (de) 2006-04-24 2007-10-25 OCé PRINTING SYSTEMS GMBH Verfahren zum Betreiben eines Datenbusses und Datenbussystem
DE102006031580A1 (de) 2006-07-03 2008-01-17 Faro Technologies, Inc., Lake Mary Verfahren und Vorrichtung zum dreidimensionalen Erfassen eines Raumbereichs
US8390316B2 (en) * 2008-09-09 2013-03-05 Airmar Technology Corporation Termination resistor scheme
EP2166717A1 (fr) * 2008-09-22 2010-03-24 Stoneridge Electronics AB Dispositif de connexion à un bus CAN
DE102009010465B3 (de) * 2009-02-13 2010-05-27 Faro Technologies, Inc., Lake Mary Laserscanner
US9551575B2 (en) 2009-03-25 2017-01-24 Faro Technologies, Inc. Laser scanner having a multi-color light source and real-time color receiver
DE102009015920B4 (de) 2009-03-25 2014-11-20 Faro Technologies, Inc. Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
DE102009027471A1 (de) * 2009-07-06 2011-01-13 Robert Bosch Gmbh Signalübertragungsvorrichtung und Fahrzeugkomponente
DE102009035337A1 (de) 2009-07-22 2011-01-27 Faro Technologies, Inc., Lake Mary Verfahren zum optischen Abtasten und Vermessen eines Objekts
DE102009035336B3 (de) 2009-07-22 2010-11-18 Faro Technologies, Inc., Lake Mary Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
US9529083B2 (en) 2009-11-20 2016-12-27 Faro Technologies, Inc. Three-dimensional scanner with enhanced spectroscopic energy detector
DE102009055989B4 (de) 2009-11-20 2017-02-16 Faro Technologies, Inc. Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
US9210288B2 (en) 2009-11-20 2015-12-08 Faro Technologies, Inc. Three-dimensional scanner with dichroic beam splitters to capture a variety of signals
DE102009057101A1 (de) 2009-11-20 2011-05-26 Faro Technologies, Inc., Lake Mary Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
US9113023B2 (en) 2009-11-20 2015-08-18 Faro Technologies, Inc. Three-dimensional scanner with spectroscopic energy detector
DE102009055988B3 (de) 2009-11-20 2011-03-17 Faro Technologies, Inc., Lake Mary Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
US7855573B1 (en) 2009-12-14 2010-12-21 Caterpillar Trimble Control Technologies Llc Controller area network active bus terminator
US9879976B2 (en) 2010-01-20 2018-01-30 Faro Technologies, Inc. Articulated arm coordinate measurement machine that uses a 2D camera to determine 3D coordinates of smoothly continuous edge features
US9607239B2 (en) 2010-01-20 2017-03-28 Faro Technologies, Inc. Articulated arm coordinate measurement machine having a 2D camera and method of obtaining 3D representations
CN102687433A (zh) 2010-01-20 2012-09-19 法罗技术股份有限公司 便携式关节臂坐标测量机和集成电子数据处理系统
US9628775B2 (en) 2010-01-20 2017-04-18 Faro Technologies, Inc. Articulated arm coordinate measurement machine having a 2D camera and method of obtaining 3D representations
US9163922B2 (en) 2010-01-20 2015-10-20 Faro Technologies, Inc. Coordinate measurement machine with distance meter and camera to determine dimensions within camera images
DE102010020925B4 (de) 2010-05-10 2014-02-27 Faro Technologies, Inc. Verfahren zum optischen Abtasten und Vermessen einer Umgebung
DE102010032723B3 (de) 2010-07-26 2011-11-24 Faro Technologies, Inc. Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
DE102010032725B4 (de) 2010-07-26 2012-04-26 Faro Technologies, Inc. Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
DE102010032726B3 (de) 2010-07-26 2011-11-24 Faro Technologies, Inc. Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
DE102010033561B3 (de) 2010-07-29 2011-12-15 Faro Technologies, Inc. Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
US9168654B2 (en) 2010-11-16 2015-10-27 Faro Technologies, Inc. Coordinate measuring machines with dual layer arm
DE102011000296B3 (de) 2011-01-24 2012-05-24 OCé PRINTING SYSTEMS GMBH Tandem-Drucksystem und Verfahren zum Steuern eines Tandem-Drucksystems sowie Computersystem und Computerprogrammprodukt
DE102011000297B3 (de) 2011-01-24 2012-05-03 OCé PRINTING SYSTEMS GMBH Drucksystem mit mehreren Datenbusabschnitten
DE102012100609A1 (de) 2012-01-25 2013-07-25 Faro Technologies, Inc. Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
US8997362B2 (en) 2012-07-17 2015-04-07 Faro Technologies, Inc. Portable articulated arm coordinate measuring machine with optical communications bus
DE102012107544B3 (de) 2012-08-17 2013-05-23 Faro Technologies, Inc. Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
US10067231B2 (en) 2012-10-05 2018-09-04 Faro Technologies, Inc. Registration calculation of three-dimensional scanner data performed between scans based on measurements by two-dimensional scanner
US9513107B2 (en) 2012-10-05 2016-12-06 Faro Technologies, Inc. Registration calculation between three-dimensional (3D) scans based on two-dimensional (2D) scan data from a 3D scanner
DE102012109481A1 (de) 2012-10-05 2014-04-10 Faro Technologies, Inc. Vorrichtung zum optischen Abtasten und Vermessen einer Umgebung
US10282340B2 (en) * 2014-12-17 2019-05-07 The Boeing Company Pin-configurable internal bus termination system
DE102015122844A1 (de) 2015-12-27 2017-06-29 Faro Technologies, Inc. 3D-Messvorrichtung mit Batteriepack
DE102019101331A1 (de) * 2019-01-18 2020-07-23 Liebherr-Components Biberach Gmbh Busfähige Geräteanordnung mit einem schaltbaren Abschlusswiderstand
DE102019124831A1 (de) * 2019-09-16 2021-03-18 Liebherr-Elektronik Gmbh Vorrichtung zum flexiblen Terminieren eines mehrkanaligen Datenbusses
EP4024773A1 (fr) * 2020-12-29 2022-07-06 Elmos Semiconductor SE Abonné pour un système de bus de communication
WO2022144345A1 (fr) * 2020-12-29 2022-07-07 Elmos Semiconductor Se Abonné pour un système de bus de communication

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US6590413B1 (en) * 2001-10-03 2003-07-08 Altera Corporation Self-tracking integrated differential termination resistance
US20030169068A1 (en) * 2002-03-05 2003-09-11 Exar Corporation Input termination with high impedance at power off
US6700823B1 (en) * 2002-10-30 2004-03-02 Lattice Semiconductor Corporation Programmable common mode termination for input/output circuits
US6815980B2 (en) * 2003-02-27 2004-11-09 International Business Machines Corporation Termination circuit for a differential transmission line
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US6154061A (en) * 1998-05-06 2000-11-28 U.S. Philips Corporation CAN bus driver with symmetrical differential output signals
US6590413B1 (en) * 2001-10-03 2003-07-08 Altera Corporation Self-tracking integrated differential termination resistance
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9577601B2 (en) 2011-07-01 2017-02-21 Siemens Aktiengesellschaft Broadcast serial bus termination
WO2013164533A1 (fr) * 2012-05-02 2013-11-07 Peugeot Citroen Automobiles Sa Unite de commande electronique a terminaison de ligne configurable
FR2990311A1 (fr) * 2012-05-02 2013-11-08 Peugeot Citroen Automobiles Sa Unite de commande electronique a terminaison de ligne configurable
US20140023365A1 (en) * 2012-07-17 2014-01-23 Teledyne Instruments, Inc. Systems and methods for subsea optical can buses
US9057846B2 (en) * 2012-07-17 2015-06-16 Teledyne Instruments, Inc. Systems and methods for subsea optical can buses
US20160275032A1 (en) * 2015-03-16 2016-09-22 Robert Bosch Gmbh Participating Station for a Bus System and Method for Data Transmission in a Bus System
US10055374B2 (en) * 2015-03-16 2018-08-21 Robert Bosch Gmbh Participating station for a bus system and method for data transmission in a bus system
US10333744B2 (en) * 2015-12-14 2019-06-25 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Circuit assembly for a switchable line termination of a serial bus
RU2701382C1 (ru) * 2015-12-14 2019-09-26 Кнорр-Бремзе Зюстеме Фюр Нутцфарцойге Гмбх Схемный узел для отключаемой оконечной нагрузки линии последовательной шины
US20190027937A1 (en) * 2017-07-24 2019-01-24 Clark Equipment Company Can bus terminating resistor arrangement
US10971935B2 (en) * 2017-07-24 2021-04-06 Clark Equipment Company Can bus terminating resistor arrangement
US11316346B2 (en) 2017-07-24 2022-04-26 Clark Equipment Company CAN bus terminating resistor arrangement

Also Published As

Publication number Publication date
AU2003294657A1 (en) 2004-07-29
KR101076154B1 (ko) 2011-10-21
US7541830B2 (en) 2009-06-02
KR20050098846A (ko) 2005-10-12
DE10261386A1 (de) 2004-07-08
CN1732655A (zh) 2006-02-08
US20080136444A1 (en) 2008-06-12
EP1582040B1 (fr) 2013-02-20
EP1582040A1 (fr) 2005-10-05
JP4268139B2 (ja) 2009-05-27
WO2004062219A1 (fr) 2004-07-22
JP2006512842A (ja) 2006-04-13
CN100559782C (zh) 2009-11-11

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