EP3526928A1 - Verfahren zur datenübertragung zwischen einem feldgerät der automatisierungstechnik und einer kommunikationsbox - Google Patents
Verfahren zur datenübertragung zwischen einem feldgerät der automatisierungstechnik und einer kommunikationsboxInfo
- Publication number
- EP3526928A1 EP3526928A1 EP17761235.5A EP17761235A EP3526928A1 EP 3526928 A1 EP3526928 A1 EP 3526928A1 EP 17761235 A EP17761235 A EP 17761235A EP 3526928 A1 EP3526928 A1 EP 3526928A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- field device
- communication signal
- communication
- current
- supply voltage
- 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- Withdrawn
Links
- 230000006854 communication Effects 0.000 title claims abstract description 153
- 238000004891 communication Methods 0.000 title claims abstract description 153
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000005516 engineering process Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 5
- 230000005669 field effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007175 bidirectional communication Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
-
- 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
-
- 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
- H04L12/40045—Details regarding the feeding of energy to the node from the bus
Definitions
- the invention relates to a method for data transmission between a field device of automation technology and a communication box, a field device of automation technology and a communication box.
- Flowmeters, pressure and temperature measuring devices, pH redox potential measuring devices, conductivity measuring devices, etc. which record the corresponding process variables level, flow, pressure, temperature, pH or conductivity.
- actuators such as valves or pumps, via which the flow of a liquid in a pipe section or the level can be changed in a container.
- Such field devices have for this purpose an analog current or voltage output, for example a 4 to 20 mA current output or a 0 to 10 V voltage output. Only the transmission of the process variable or the measured value is possible via this current or voltage output.
- the HART protocol for example, is used.
- the field devices can be very flexibly parameterized and put into operation or read out additional determined and stored measured values or data.
- the HART protocol enables bidirectional communication even in a potentially explosive environment via a point-to-point transmission of at least two subscribers.
- an FSK method Frequency Shift Keying
- Differentiating the binary states uses different frequencies of a sinusoidal signal (eg Bell 202 standard: “0" 2200 Hz, "1" 1200 Hz).
- the discretized and digitized data are provided by a special modem, which is in each case Participants must be present in a Hart protocol using the FSK method transmitted and received.
- the components used for realizing a HART communication require a relatively large amount of space and, moreover, are also relatively expensive, which is undesirable particularly in the case of field devices that are inexpensive to produce.
- the object is achieved by a method for data transmission between a field device of automation technology and a communication box, wherein the communication box is connected to the field device via a two-wire line and via the two-wire line, a supply voltage is applied to the field device to provide the field device with energy, the method includes the following steps:
- a method is proposed in which data can be communicated via the current consumption of the field device and its supply voltage.
- a communication box is introduced into a two-wire line between the field device and a supply unit.
- the communication box is
- the invention modulates a request in the form of a first communication signal to the supply voltage and demodulates the request in the field device.
- the response in the form of a second communication signal is modulated onto an output current of the field device and this is demodulated again in the communication box.
- the data to be communicated are modulated one to one, ie without change, to the supply voltage and not, as with others Communication method, such as HART, in which Frequency Shift Keying (Frequency Shift Keying) occurs, usually, for the purpose of data transmission changed.
- the proposed communication method can be used, for example, in the production for programming the field device and during the final adjustment and the so-called load check. Furthermore, it is also possible via the communication method to connect the communication box to the field device in a data-conducting manner and to connect the communication box with further functionalities, e.g. Radio communications,
- Supply voltage is varied such that the supply voltage having the first communication signal.
- Output current is varied such that the output current is the second
- An advantageous embodiment of the invention provides that for the demodulation of the first communication signal from the supply voltage DC voltage components of the supply voltage are filtered out by the field device.
- An advantageous embodiment of the invention provides that the first and / or the second communication signal are generated according to a UART protocol, SPI or an MC protocol.
- a field device of automation technology which can be connected to a two-wire line for power supply, comprising: a demodulation unit having a capacitance, wherein the capacitance separates a first communication signal, which is modulated onto the supply voltage of the field device, from the supply voltage, so that the first communication signal is available to the field device;
- Field device is transferable.
- An advantageous embodiment of the field device according to the invention provides that the demodulation unit and / or the modulation unit has no modem, in particular no FSK modem, or to have to separate the first communication signal from the supply voltage and / or to modulate the second communication signal.
- a further advantageous embodiment of the field device according to the invention provides that the demodulation unit consists of the capacitance. Because of that
- Demodulation unit consists solely of a capacity, can be the
- Integrate demodulation unit particularly simple and space-saving in the field device or realize.
- a further advantageous embodiment of the field device according to the invention provides that the field device is adapted to transmit a process variable via a loop current, in particular a 4 to 20mA loop current, wherein a means for current regulation, in particular a current regulator, sets the loop current according to the process variable and the current-regulating means is part of the modulation unit and further configured to modulate the second communication signal to the loop current so that the loop current comprises the second communication signal.
- a means for current regulation in particular a current regulator
- An alternative embodiment of the field device according to the invention provides that the field device is adapted to transmit a process variable via a voltage signal, in particular a 0 to 10 V voltage signal, wherein the
- Modulation unit is designed such that a first terminal with a second connection for the two-wire line via a means for current regulation, which
- a communication box for data transmission with a field device of automation technology wherein the communication box can be connected to the field device via a two-wire line, and has the following:
- a modulation unit that is configured to perform a voltage modulation of a voltage signal of the two-wire line, so that the voltage signal of the two-wire line to a first communication signal to
- a demodulation unit configured to generate a current signal of
- a system of automation technology which is a field device according to one of the previously described embodiment, a communication box according to the previously described embodiment and a
- Two-wire line which connects the field device with the communication box and over which the field device is supplied with energy has.
- the communication box has at least one further functionality in order to also equip the field device with this functionality, the communication box exchanging data with the field device according to the method described above in relation to the further functionality Provide that the communication box is formed on the at least one further functionality to a connection of the communication box via a radio protocol or a
- Field device exchanges data related to the radio protocol or the wired protocol.
- FIG. 1 shows a schematic representation of the system according to the invention, comprising a field device, a communication box and a two-wire line.
- FIG. 1 shows a schematic representation of the system 1 according to the invention, which is a field device 2 of automation technology, a communication box 4 for
- the communication box 4 and the field device 2 are connected in a data-conducting manner via a two-wire line 3.
- the field device 2 is supplied with a supply voltage Uv, for example.
- a power adapter which is not shown in Fig. 1.
- About the two-wire line 3 is next to the
- Field device 2 is detected, to one, also not shown in Fig. 1, higher-level unit, for example.
- a PLC instead. It goes without saying that in the case that the field device 2 acts as an actuator, via the two-wire line 3, a transmission of the
- Control value from the parent unit to the field device 2 takes place.
- the communication box 4 For the transmission of data going beyond that, for example for parameterization, between the communication box 4 and the field device 2, the communication box 4 has the following: A first terminal pair 13 for input-side connection of the two-wire line 3, so that the communication box 4 via the two-wire line 3 to a supply unit, such as a transmitter power supply, not shown in Fig. 1, is connected.
- a supply unit such as a transmitter power supply, not shown in Fig. 1, is connected.
- a modulation unit 11 which is arranged between the first and the second terminal pair 13, 14 in the communication box 4.
- the modulation unit 11 is set up such that a voltage modulation or an amplitude modulation of a voltage signal of the two-wire line 3 takes place in accordance with a first communication signal 5 for data transmission.
- This can, for example, by one or more diodes, which has a
- Switch in particular a controllable field effect transistor, short-circuited, be realized.
- the controllable switch and the diode or diodes the first communication signal to the voltage signal of
- the voltage signal is thus available to the field device 2 as a supply voltage at the second connection terminal pair 14 of the communication box 4, so that the first communication signal 5 is transmitted via the two-wire line 3 to the field device 2. That by the
- a demodulation unit 12 which is arranged between the first and the second terminal pair 13, 14 in the communication box 4. The demodulation unit 12 is set up so that one of the second
- Terminal pair 14 connected two-wire line 3 derived current signal is demodulated.
- the demodulation unit 12 preferably comprises a resistor, which is arranged between the first and the second terminal pair such that the current signal flows through the resistor, and an operational amplifier, which consists of a through the
- Resistance generated voltage drop generates the second communication signal.
- Communication signal 6 is shown by way of example in FIG. 1 by a "1010" signal.
- the communication box 4 can also be equipped with a different functionality than the parameterization.
- it can have a radio module, so that data can be exchanged wirelessly with another device via the radio module of the communication box 4 and the data between the communication box and the field device wired, according to the inventive method, be replaced.
- a corresponding field device 2 For transmission of the additional data, a corresponding field device 2 has the following:
- the field device 2 is supplied with energy.
- the field device 2 is supplied with a voltage of 24 V.
- Communication box 4 on the supply voltage V s modulated first communication signal 5 demodulates or separates.
- the capacitor 8 can be formed, for example, by a capacitor or a plurality of capacitors connected in series and / or in parallel.
- the first communication signal 5 is thus available after the capacitor 8 without a modem, in particular without a FSK modem, and can, for example, by a microcontroller
- 1 shows by way of example the simplest case in which the demodulation unit 7 requires only a single capacitance 8, for example in the form of a capacitor.
- the demodulation unit 7 requires only a single capacitance 8, for example in the form of a capacitor.
- a modulation unit 9 which is adapted to a second
- Output current I A of the field device 2 to the communication box 4 is transferable.
- the modulation unit 9 performs a current modulation of
- Output current l A or an amplitude modulation of the output current is designed as a two-wire or two-wire field device according to the 4 to 20 mA standard, and a process variable detected by the field device 2 is applied via a loop current generated by a current regulator 10 is adjustable, transmitted.
- the current controller 10 receives in the normal measurement mode, for example from the microprocessor, a current setpoint value, which represents the process variable, and regulates the loop current to a value corresponding to the current setpoint value.
- the current regulator 10 is also part of the modulation unit and is further adapted to apply the second communication signal 6 to the
- the current controller adds the second one
- Communication signal to the loop current to be set It is also conceivable, however, an alternative embodiment of the field device 2 such that the process variable is not transmitted via a loop current, but via a voltage signal.
- the process variable can be represented by a 0 to 10V
- the modulation unit has a means for current regulation, wherein the means comprises a first
- Communication signal 6 are modulated on a self-current of the field device.
- the means may comprise, for example, a resistor and a field effect transistor, wherein the field effect transistor is arranged in series with the resistor, so that the current flowing through the resistor is modulated by the field effect transistor.
- the method for data transmission provides that in a first method step, the supply voltage V s of the field device 2 is amplitude-modulated by the communication box 4, so that a first communication signal 5 is generated.
- the first communication signal 5 can be generated according to a UART, SPI or MC protocol.
- the supply voltage V s applied via the two-wire line 3 to the field device 2 is demodulated so that the first communication signal 5 is obtained from the supply voltage V s applied to the field device.
- the first communication signal 5 can subsequently
- a microcontroller or microprocessor the field device according to the means of the first communication signal. 5
- transmitted parameter information parameterize the field device 2.
- a current modulation or an amplitude modulation of the output current I A of the field device takes place by the field device, so that the
- Output current has the second communication signal.
- Communication signal 6 is thus transmitted via the output current I A to the communication box 4.
- the communication box 4 demodulates the output current I A , so that the second communication signal 6 from the
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016119548.0A DE102016119548A1 (de) | 2016-10-13 | 2016-10-13 | Verfahren zur Datenübertragung zwischen einem Feldgerät der Automatisierungstechnik und einer Kommunikationsbox |
PCT/EP2017/071599 WO2018068941A1 (de) | 2016-10-13 | 2017-08-29 | Verfahren zur datenübertragung zwischen einem feldgerät der automatisierungstechnik und einer kommunikationsbox |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3526928A1 true EP3526928A1 (de) | 2019-08-21 |
Family
ID=59761953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17761235.5A Withdrawn EP3526928A1 (de) | 2016-10-13 | 2017-08-29 | Verfahren zur datenübertragung zwischen einem feldgerät der automatisierungstechnik und einer kommunikationsbox |
Country Status (5)
Country | Link |
---|---|
US (1) | US10840973B2 (de) |
EP (1) | EP3526928A1 (de) |
CN (1) | CN109923831B (de) |
DE (1) | DE102016119548A1 (de) |
WO (1) | WO2018068941A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190268038A1 (en) * | 2016-10-13 | 2019-08-29 | Endress+Hauser SE+Co. KG | Method for transferring data between an automation field device and a communication box |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017112755B4 (de) | 2017-06-09 | 2019-02-07 | Sick Engineering Gmbh | Messumformerspeisegerät |
CN111487456B (zh) * | 2020-03-27 | 2021-11-16 | 威胜信息技术股份有限公司 | 从工频信号中提取特征信号的方法、***和档案管理方法 |
DE102020210152A1 (de) * | 2020-08-11 | 2022-02-17 | Siemens Aktiengesellschaft | Messeinrichtung mit einer Sensoreinheit und einer von ihr räumlich getrennten Frontend-Einheit |
US11233501B1 (en) * | 2020-12-18 | 2022-01-25 | Chun Kuen Sze | Signal transmission circuit and power supply line |
CN112653444B (zh) * | 2020-12-18 | 2024-05-03 | 施镇乾 | 一种信号传输电路、电源线及电子设备 |
Family Cites Families (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1542629A (en) | 1973-04-04 | 1979-03-21 | Plessey Co Ltd | House exchange telephone system |
JP2735174B2 (ja) * | 1985-10-16 | 1998-04-02 | 株式会社日立製作所 | 2線式通信方法 |
US4879911A (en) * | 1988-07-08 | 1989-11-14 | Micro Motion, Incorporated | Coriolis mass flow rate meter having four pulse harmonic rejection |
US4843890A (en) * | 1988-07-08 | 1989-07-04 | Micro Motion, Incorporated | Coriolis mass flow rate meter having an absolute frequency output |
US5434774A (en) * | 1994-03-02 | 1995-07-18 | Fisher Controls International, Inc. | Interface apparatus for two-wire communication in process control loops |
DE19609290C2 (de) * | 1995-10-26 | 2002-12-12 | Bosch Gmbh Robert | Airbagsystem |
US6907082B1 (en) * | 1999-02-03 | 2005-06-14 | Invensys Systems, Inc. | 4-20 mA interface circuit |
WO2003012560A2 (en) * | 2001-07-31 | 2003-02-13 | Endress + Hauser Gmbh + Co. Kg | Supervisory control and data acquisition interface for tank or process monitor |
US20060233119A1 (en) * | 2002-10-31 | 2006-10-19 | Endress + Hauser Gmbh + Co. Kg | Method for Parameterizing a Field Device Used in Automation Technology |
DE10344262A1 (de) * | 2003-09-23 | 2005-04-14 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Steckmodul für einen Flüssigkeits- oder Gassensor |
DE102004020393A1 (de) * | 2004-04-23 | 2005-11-10 | Endress + Hauser Gmbh + Co. Kg | Funkmodul für Feldgeräte der Automatisierungstechnik |
US7200503B2 (en) * | 2004-12-29 | 2007-04-03 | Endrss + Hauser Flowtec Ag | Field device electronics fed by an external electrical energy supply |
DE102006014102A1 (de) * | 2005-12-30 | 2007-07-12 | Endress + Hauser Gmbh + Co. Kg | Verfahren zur Inbetriebnahme und/oder zum Betrieb eines Kommunikationssystems |
DE102006005632A1 (de) * | 2006-02-08 | 2007-08-09 | Knick Elektronische Messgeräte GmbH & Co. KG | Verbindungssystem, insbesondere Steckverbindungssystem zur Übertragung von Daten- und Energieversorgungssignalen |
JP4918998B2 (ja) * | 2006-05-10 | 2012-04-18 | 株式会社デンソー | 通信装置 |
DE102006024311A1 (de) * | 2006-05-24 | 2007-11-29 | Berthold Technologies Gmbh & Co. Kg | Schaltung zur Übermittlung eines analogen Signalwertes |
US7844410B2 (en) * | 2006-07-03 | 2010-11-30 | Endress + Hauser Flowtec Ag | Field device electronics fed by an external electrical energy supply |
US7630844B2 (en) * | 2006-07-03 | 2009-12-08 | Endress + Hauser Flowtec Ag | Field device electronics fed by an external electrical energy supply |
US7663350B2 (en) * | 2006-07-13 | 2010-02-16 | Endress + Hauser Flowtec Ag | External electrical energy supply for field device |
DE102006056175A1 (de) * | 2006-11-27 | 2008-05-29 | Endress + Hauser Flowtec Ag | Meßanordnung zum Erfassen chemischer und/oder physikalischer Meßgrößen sowie Meßgerät dafür |
US7521944B2 (en) * | 2006-12-28 | 2009-04-21 | Rosemount Inc. | System and method for detecting fluid in terminal block area of field device |
US20080163937A1 (en) * | 2007-01-09 | 2008-07-10 | Dresser, Inc. | Fluid regulatory systems and processes |
US8573241B2 (en) * | 2007-03-30 | 2013-11-05 | Dresser, Inc. | Systems and processes for field-initiated fluid regulation testing |
DE102007021099A1 (de) * | 2007-05-03 | 2008-11-13 | Endress + Hauser (Deutschland) Ag + Co. Kg | Verfahren zum Inbetriebnehmen und/oder Rekonfigurieren eines programmierbaren Feldmeßgeräts |
DE102007045884A1 (de) * | 2007-09-25 | 2009-04-09 | Endress + Hauser Process Solutions Ag | Verfahren zum Betreiben eines Feldgerätes in einem leistungsangepassten Modus |
DE502007004947D1 (de) * | 2007-10-22 | 2010-10-14 | Siemens Ag | Busanschalteinheit zum Zwischenschalten in eine Zweileiter-Stromschleife sowie Messumformer, Stellungsregler und analoge Ein- und Ausgabebaugruppe mit einer solchen Busanschalteinheit |
US8290030B2 (en) * | 2007-12-28 | 2012-10-16 | Spectrum Controls, Inc. | Micro-controller with FSK modem |
DE102008033048A1 (de) * | 2008-07-14 | 2010-02-04 | Abb Technology Ag | Feldgerät einer Prozessautomatisierungsanlage mit einer Einrichtung zur lokalen Gewinnung elektrischer Energie |
US8195590B1 (en) * | 2008-09-17 | 2012-06-05 | Varec, Inc. | Method and system for measuring and managing inventory of product in a collapsible tank |
WO2010108803A2 (de) * | 2009-03-25 | 2010-09-30 | Endress+Hauser Conducta Gesellschaft Für Mess- Und Regeltechnik Mbh+Co. Kg | Verfahren und schaltung zur signalübertragung über eine stromschleife |
US8344542B2 (en) * | 2009-04-09 | 2013-01-01 | Charles John Micallef | Apparatus and method to power 2-wire field devices, including HART, foundation fieldbus, and profibus PA, for configuration |
DE102009028051B4 (de) * | 2009-07-28 | 2023-10-26 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | System zur Bedienung eines Feldgeräts über ein entferntes Terminal |
DE102009046503A1 (de) * | 2009-11-06 | 2011-05-26 | Endress + Hauser Process Solutions Ag | Verfahren zum Bedienen eines Feldgeräts der Automatisierungstechnik in ein Funknetzwerk |
US8073991B2 (en) * | 2010-01-14 | 2011-12-06 | General Electric Company | Isolated HART interface with programmable data flow |
WO2011116362A1 (en) * | 2010-03-18 | 2011-09-22 | Kenneth Burns | Frequency shift keying modulation and demodulation |
US8831145B2 (en) * | 2010-05-18 | 2014-09-09 | Texas Instruments Incorporated | Hart transmitter/receiver systems |
US9225534B2 (en) * | 2011-04-15 | 2015-12-29 | Electronic Systems Protection, Inc. | Power conditioning management |
FR2979503B1 (fr) * | 2011-08-23 | 2014-07-11 | Senstronic | Procede de communication a des fins de configuration et/ou d'interrogation et systeme le mettant en oeuvre |
DE102012200105A1 (de) * | 2011-12-29 | 2013-07-04 | Endress + Hauser Flowtec Ag | Schaltungsanordnung zur Reduzierung der Verlustleistung bei einem aktiven Stromausgang eines Feldgeräts |
DE102012106375A1 (de) * | 2012-07-16 | 2014-01-16 | Endress + Hauser Wetzer Gmbh + Co Kg | Verfahren und Vorrichtung zur Diagnose eines Kommunikationskanals |
US8750427B1 (en) * | 2012-11-16 | 2014-06-10 | Honeywell International Inc. | Apparatus and method for demodulation of FSK signals |
EP2860928B1 (de) * | 2013-10-10 | 2016-12-07 | Rockwell Automation Limited | HART-Abtastung |
US9408258B2 (en) | 2013-10-24 | 2016-08-02 | Osram Sylvania Inc. | Power line communication for lighting systems |
DE102013113258A1 (de) * | 2013-11-29 | 2015-06-03 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Sensor und Messanordnung |
DE102014108871A1 (de) * | 2014-06-25 | 2015-12-31 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Elektronische Schaltung, Feldgerät umfassend zumindest eine solche elektronische Schaltung und Verfahren |
US9106488B1 (en) * | 2014-08-23 | 2015-08-11 | Smart Embedded Systems, Inc. | Energy efficient highway addressable remote transducer soft modem |
US9203665B1 (en) * | 2014-08-23 | 2015-12-01 | Smart Embedded Systems, Inc. | Resource optimization by implementing multiple instances of a soft modem with a single microcontroller |
DE102015105887A1 (de) * | 2015-04-17 | 2016-10-20 | Endress + Hauser Process Solutions Ag | Verfahren zum automatischen Hinzu- oder Wegschalten eines Kommunikationswiderstandes eines HART-Gerätes |
CN107925440B (zh) * | 2015-08-12 | 2021-09-21 | 费斯托股份两合公司 | 现场设备耦合单元和*** |
DE102015115275A1 (de) * | 2015-09-10 | 2017-03-16 | Endress+Hauser Gmbh+Co. Kg | Verfahren zur Energieverwaltung eines Feldgeräts der Prozessautomatisierung |
WO2017119054A1 (ja) * | 2016-01-04 | 2017-07-13 | 日立オートモティブシステムズ株式会社 | 電力線通信装置、および電力線通信装置を備えた電子制御装置 |
DE102016107491A1 (de) * | 2016-04-22 | 2017-10-26 | Beckhoff Automation Gmbh | Verbindungseinheit, Überwachungssystem und Verfahren zum Betreiben eines Automatisierungssystems |
DE102016119548A1 (de) * | 2016-10-13 | 2018-04-19 | Endress+Hauser SE+Co. KG | Verfahren zur Datenübertragung zwischen einem Feldgerät der Automatisierungstechnik und einer Kommunikationsbox |
DE102016120254A1 (de) * | 2016-10-24 | 2018-04-26 | Endress+Hauser Conducta Gmbh+Co. Kg | Schaltung zur Energieversorgung eines Verbrauchers und zum Empfang von vom Verbraucher gesendeten Nutzsignalen |
US10429870B2 (en) * | 2016-11-30 | 2019-10-01 | Honeywell International Inc. | Startup control for multi-drop transmitters powered by current limited power supplies |
DE102017111928A1 (de) * | 2017-05-31 | 2018-12-06 | Endress+Hauser Conducta Gmbh+Co. Kg | Verfahren zur autorisierten Aktualisierung eines Feldgeräts der Automatisierungstechnik |
EP3451087B1 (de) * | 2017-09-05 | 2020-08-12 | Bürkert Werke GmbH & Co. KG | System und verfahren zur auswahl und identifikation von feldgeräten |
-
2016
- 2016-10-13 DE DE102016119548.0A patent/DE102016119548A1/de not_active Withdrawn
-
2017
- 2017-08-29 CN CN201780062852.5A patent/CN109923831B/zh active Active
- 2017-08-29 EP EP17761235.5A patent/EP3526928A1/de not_active Withdrawn
- 2017-08-29 WO PCT/EP2017/071599 patent/WO2018068941A1/de unknown
- 2017-08-29 US US16/341,737 patent/US10840973B2/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190268038A1 (en) * | 2016-10-13 | 2019-08-29 | Endress+Hauser SE+Co. KG | Method for transferring data between an automation field device and a communication box |
US10840973B2 (en) * | 2016-10-13 | 2020-11-17 | Endress+Hauser SE+Co. KG | Method for transferring data between an automation field device and a communication box |
Also Published As
Publication number | Publication date |
---|---|
DE102016119548A1 (de) | 2018-04-19 |
CN109923831B (zh) | 2022-06-07 |
CN109923831A (zh) | 2019-06-21 |
WO2018068941A1 (de) | 2018-04-19 |
US20190268038A1 (en) | 2019-08-29 |
US10840973B2 (en) | 2020-11-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2018068941A1 (de) | Verfahren zur datenübertragung zwischen einem feldgerät der automatisierungstechnik und einer kommunikationsbox | |
EP2042953B1 (de) | Steuerungsblock mit einer Punkt-zu-Punkt- Kommunikation zwischen einem an einen Datenbus anzuschaltenden Steuerungs-Mastermodul und Erweiterungs-Slavemodulen | |
DE102012105446B4 (de) | Vorrichtung zur Bestimmung und/oder Überwachung einer chemischen oder physikalischen Prozessgröße in der Automatisierungstechnik | |
EP2340468A1 (de) | Autarkes feldgerät | |
EP3283928B1 (de) | Verfahren zum automatischen hinzu- oder wegschalten eines kommunikationswiderstandes eines hart-gerätes | |
EP2457060A2 (de) | Feldgerät zur prozessinstrumentierung | |
DE102005043478A1 (de) | Automatisierungstechnische Einrichtung | |
EP3355139B1 (de) | Verfahren zum betreiben eines automatisierungssystems sowie automatisierungssystem, feldgerät und steuerung zur durchführung des verfahrens | |
DE102009047535A1 (de) | Verfahren zum Ermitteln einer Anschlusskonfiguration eines Feldgerätes an einem Wireless Adapter | |
DE102005043482A1 (de) | Automatisierungstechnische Einrichtung | |
DE102005043489A1 (de) | Automatisierungstechnische Einrichtung | |
WO2009074545A2 (de) | Vorrichtung zur übertragung von elektrischer energie und information | |
DE102005043487A1 (de) | Automatisierungstechnische Einrichtung | |
DE102005043483A1 (de) | Automatisierungstechnische Einrichtung | |
EP3894970A1 (de) | Feldgeräteadapter zur drahtlosen datenübertragung | |
EP3555714B1 (de) | Verfahren zur applikationsspezifischen einstellung eines feldgeräts | |
WO2018184766A1 (de) | Power over ethernet-basiertes feldgerät der automatisierungstechnik | |
WO2009149945A2 (de) | Fernmesstechnische einrichtung mit einem schleifengespeisten gerät und verfahren zu dessen betriebsspannungsversorgung | |
DE102005043488A1 (de) | Automatisierungstechnische Einrichtung | |
DE102005043485A1 (de) | Automatisierungstechnische Einrichtung | |
DE102005026826B4 (de) | Verfahren zum Betreiben eines Kommunikationsnetzwerkes mit mindestens einem Slave-Gerät und maximal drei Master-Geräten | |
DE19626502A1 (de) | Sensor-Aktor-Bussystem | |
WO2012084444A1 (de) | Messgerät | |
EP3413282B1 (de) | Messumformerspeisegerät und system | |
DE102017121923A1 (de) | Messanordnung mit einem Bediengerät und Verfahren zum Betreiben einer solchen Messanordnung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20190307 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20210528 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20230512 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20230923 |