EP3785087A1 - Plug-in radio module for automation engineering - Google Patents
Plug-in radio module for automation engineeringInfo
- Publication number
- EP3785087A1 EP3785087A1 EP19719790.8A EP19719790A EP3785087A1 EP 3785087 A1 EP3785087 A1 EP 3785087A1 EP 19719790 A EP19719790 A EP 19719790A EP 3785087 A1 EP3785087 A1 EP 3785087A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radio
- radio module
- field device
- electronics
- wireless data
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4155—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31121—Fielddevice, field controller, interface connected to fieldbus
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33192—Radio link, wireless
Definitions
- the invention relates to a system of automation technology, an attachable radio module of automation technology and a method for wireless
- field devices are often used which serve for the determination, optimization and / or influencing of process variables.
- Sensors such as level gauges, flowmeters, pressure and temperature gauges, conductivity meters, etc.
- process variables which record the corresponding process variables level, flow, pressure, temperature and conductivity.
- actuators such as valves or pumps, via which the flow of a liquid in a pipe section or the level in a container can be changed.
- field devices are all devices that are used close to the process and that provide or process process-relevant information. In the context of the invention, field devices are thus also understood as remote I / Os (electrical interfaces), radio adapters or in general devices which are arranged on the field level.
- two-wire field devices which are connected via a two-wire line to a higher-order unit, for example a control unit SPS, are still common in a large number of existing automation systems.
- the two-wire field devices are designed in such a way that the measured values or control values as the main process variable communicate via the two-wire line or the two-wire cable in the form of a 4-20 mA signal, i. be transmitted.
- modern field devices have numerous others
- Functionalities that support the efficient and secure management of the process to be monitored. These include u. a. such functions as the self-monitoring of the field device, the storage of measured values, the generation of control signals for actuators, etc ..
- the field devices are usually in terms of
- Such devices are also referred to as low-power field devices. Due to the limited power available to the field device, power for individual components of the field device or components attached to the field device for short-term operation is also severely limited.
- An example of such components connected to the field device is a radio module or radio adapter for wireless data transmission of data.
- the radio modules are adapted to the field devices so that they never exceed a maximum allocated power requirement, wherein the power requirement is tuned to a minimum power supplied to the field device.
- Radio module can safely transmit data at any time wirelessly.
- the disadvantage is that the data is transmitted wirelessly with a comparatively low transmission speed, so as to save correspondingly more power. It is thus an object of the invention to adapt a radio module in such a way to a field device, that the radio module can be both permanently operated safely, and can transmit the data wirelessly with the highest possible transmission speed.
- the object is achieved by the system of automation technology according to claim 1, the attachable radio module according to claim 3 and the method according to claim 1. 1
- the automation system according to the invention comprises:
- a field device with a field device electronics which is a terminal for
- Radio module electronics with a radio antenna wherein the radio module electronics is adapted to interrogate at least a current value of the field device via the wired interfaces and adjust according to the current value of a radio interval and / or a wireless data width for wireless data transmission, so that the radio module electronics performs a performance-adjusted operating mode, in the the wireless data transmission is adapted to the power currently provided to the field device.
- An advantageous embodiment of the system according to the invention further comprises a mobile operating unit, which is set up for wireless data transmission with the radio module.
- the pluggable radio module according to the invention of the automation technology for wireless data transmission device comprises at least one wired interface for connection to a corresponding wired
- wired interfaces to interrogate at least a current value of the field device and based on the current value, a radio interval and / or a wireless data width for the wireless data transmission to adapt accordingly so that the radio module electronics performs a performance-adjusted operating mode in which the wireless
- Data transmission is adapted to the power currently provided to the field device.
- radio module electronics is furthermore configured to execute a standard operating mode in which the radio interval and / or the wireless data transmission radio data width to a minimum operating power which is at least made available to the field device, is adjusted.
- radio module electronics is further configured to switch between the standard operating mode and the power-adjusted operating mode, wherein the switchover from the standard operating mode to the power-adjusted mode is triggered in particular by an external action of an operator becomes.
- the embodiment can provide that the external action requests a request
- Radio module for wireless data transmission of an envelope of the field device comprises.
- radio module electronics for adjusting the radio interval and / or the radio data width a table or a mathematical function is used which maps a possible power for the radio module for each current value, wherein the
- Radio module electronics is further adapted to the radio interval and / or the
- radio module electronics is further configured to interrogate via the wired interfaces, a terminal voltage applied to a terminal of the field device, and the wireless interval and / or the wireless data width for the wireless
- radio module or the system provides that the table or the mathematical function depicts the possible power as a function of the different current values and corresponding terminal voltages.
- the invention further relates to a method for wireless data transmission, in particular the wireless transmission of data of an envelope of a field device, between a mobile operating unit and an infected to the field device
- Radio module according to one of the previously described embodiments, comprising at least the following steps:
- Radio module and the mobile control unit are portable computing units with a radio interface for wireless data transmission.
- all portable computing units with a radio interface for wireless data transmission come into consideration as the operating unit. Examples of
- Operating units are mobile phones or smartphones, notebooks or tablets.
- An advantageous embodiment of the method according to the invention provides that the radio module electronics also interrogate the terminal voltage applied to the terminal of the field device, and wherein the radio module electronics adjusts the radio interval and / or the wireless data width for the wireless data transmission based on the queried current value and the terminal voltage.
- power switched mode of operation switches back and forth, wherein the switching from the standard operating mode in the power adjusted mode is triggered by an executed on the mobile control unit external action, in particular a request for transmission of an envelope by an operator.
- FIG. 1 shows a schematic representation of a system according to the invention
- Figure 1 shows a schematic representation of the system according to the invention of automation technology.
- the system has a two-wire field device 1, which comprises a preferably metallic housing 2 in that a field device electronics 4 is arranged.
- the field device electronics 4 is designed such that these
- the measured values are communicated as the main process variable via the two-wire line 12 analogously in the form of a 4-20 mA current signal, in that a corresponding current value of the 4-20 mA current signal is provided by the field device electronics.
- Other data which may include, for example, parameters of the field device, are transmitted in the form of a digital two-wire signal, for example according to the HART standard.
- the field device electronics 4 are also supplied with energy via the two-wire line or the 4-20 mA current signal. For this purpose, the field device electronics in response to a terminal voltage Uk, to the
- the clamping voltage Uk comprises a minimum voltage value of about 10 V, so that a minimum operating power for the
- the terminal voltage may also have a value deviating therefrom, for example a value from the range of 10-30 V.
- the field device electronics 4 is designed such that these all functions, in particular the detection or placement of measured values, the processing of these and the transmission or setting of a corresponding current value of the 4-20 mA current signal means the minimum
- Operating power Pmin can perform. Furthermore, the field device electronics 4 is set up such that part of the minimum operating power is permanently available for an externally connectable radio module 6 or, as it were, this part is used for the
- Radio module is "reserved". This provided part of the minimum
- the system further comprises a radio module 6 for wireless data transmission with a radio module electronics 8 and a wired interface 7.
- a radio module 6 for wireless data transmission with a radio module electronics 8 and a wired interface 7.
- the wireless module 6 for wired communication is detachably connected in terms of data to a field device interface 5 of the field device 1.
- the radio module 6 has a radio channel 9, the radio module electronics 8 being set up to convert the data originating from the field device electronics 4 via the wired interface 5 into data corresponding to the wireless transmission, which data can then be transmitted via the radio antenna 9 and vice versa.
- radio module electronics 8 is adapted to a
- Radio module operating power is operable.
- the radio module electronics 8 is set up to query at least the currently set current value I in the field device electronics 4 via the wired interfaces 5, 7 and based on at least the
- the power-adjusted mode of operation may be configured such that the procedure for adjusting the radio interval 3a and / or the radio data width 3b at regular intervals by the radio module electronics. 8 is carried out so that the adaptation of the radio interval 3a and / or the
- Wireless data width 3b to the field device 1 currently available power P dynamically. It goes without saying that in the event that the radio interval and / or the wireless data width is increased due to the available extra power, the wired communication via the wired interface 7 for communicating the data to be transmitted wirelessly, is adjusted accordingly.
- radio interval 3a the interval between two active transmission or
- Radio data width differently designated.
- connection interval the wireless interval
- packets per connection event the wireless data
- a memory 15 of the radio module electronics can have a table in which specific power values for specific current values are stored. Additionally or alternatively, a mathematical function describing the relationship between the current value I and the power can be stored. In addition to querying the current value I, the radio module electronics 6 can also be set up to interrogate the value of the terminal voltage UK in the field device electronics via the wired interfaces 5, 7, so as to enable a more precise determination of the power available to the radio module. It goes without saying that in this case the stored table or the mathematical function is extended by corresponding clamping voltage values Uk.
- the radio module electronics 8 may be further configured to execute a standard operating mode in which the
- Radio interval 3a and / or wireless data width 3b is adapted to the field device 1 made available minimum operating power Pmin.
- the field device 1 made available minimum operating power Pmin.
- Radio module electronics 8 be configured to switch between the standard operating mode and the power-adjusted operating mode or switch.
- Switching can by triggering a specific action, eg. The
- Request for transferring a larger amount of data to be initiated may, for example, the request for transmission of an envelope 14 of the
- Field device 1 on a mobile control unit 10 by an operator 1 1 include.
- the external action can also be the request for a general function, such as loading or saving a configuration of the Field device (parameterization), the loading of an event logbook or similar functions.
- the request for the transmission of the data can in this case be carried out by the operator 1 1 on the mobile operating unit 10, for example by inputting a corresponding command.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transceivers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018110101.5A DE102018110101A1 (en) | 2018-04-26 | 2018-04-26 | Plug-in radio module of automation technology |
PCT/EP2019/059946 WO2019206768A1 (en) | 2018-04-26 | 2019-04-17 | Plug-in radio module for automation engineering |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3785087A1 true EP3785087A1 (en) | 2021-03-03 |
Family
ID=66290390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19719790.8A Pending EP3785087A1 (en) | 2018-04-26 | 2019-04-17 | Plug-in radio module for automation engineering |
Country Status (5)
Country | Link |
---|---|
US (1) | US11588511B2 (en) |
EP (1) | EP3785087A1 (en) |
CN (1) | CN111989627A (en) |
DE (1) | DE102018110101A1 (en) |
WO (1) | WO2019206768A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018120108A1 (en) * | 2018-08-17 | 2020-02-20 | Endress+Hauser SE+Co. KG | Field device of automation technology |
DE102019105096A1 (en) * | 2019-02-28 | 2020-09-03 | Endress+Hauser SE+Co. KG | Method for operating a wireless field device network |
DE102021134390A1 (en) | 2021-12-22 | 2023-06-22 | Endress+Hauser SE+Co. KG | Method for controlling the energy consumption of a field device in automation technology |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19714386C1 (en) * | 1997-03-27 | 1998-10-08 | Berliner Kraft & Licht | Method and arrangement for data transmission in low-voltage networks |
DE102004020393A1 (en) * | 2004-04-23 | 2005-11-10 | Endress + Hauser Gmbh + Co. Kg | Radio module for field devices of automation technology |
US7262693B2 (en) * | 2004-06-28 | 2007-08-28 | Rosemount Inc. | Process field device with radio frequency communication |
DE102006009979A1 (en) * | 2006-03-03 | 2007-09-06 | Siemens Ag | Wireless communication device for use in automation network, has field device providing necessary operation energy at preset operating time by energy management unit, where operation energy of field device is stopped at preset idle time |
DE102006017243B4 (en) * | 2006-04-12 | 2011-09-15 | Vega Grieshaber Kg | Transceiver for wireless transmission of field device signals |
EP2165419B1 (en) * | 2007-06-26 | 2018-01-03 | Pepperl + Fuchs GmbH | Power management circuit for a wireless communication device and process control system using same |
EP2031625B1 (en) * | 2007-09-03 | 2011-07-06 | Siemens Aktiengesellschaft | Method for identifying components in an electrical low-voltage switching station |
DE102008013075A1 (en) * | 2008-03-06 | 2009-09-24 | Hilscher Gesellschaft für Systemautomation mbH | Programmable logic controller with flexible communication and control structure and method for its configuration |
DE102008029956A1 (en) * | 2008-06-26 | 2009-12-31 | Endress + Hauser Flowtec Ag | Measuring system with a sensor module and a transmitter module |
DE102008036967A1 (en) * | 2008-08-08 | 2010-02-11 | Endress + Hauser Process Solutions Ag | Universal interface for a wireless adapter |
DE102010024210B4 (en) * | 2010-06-17 | 2012-09-20 | Abb Technology Ag | Field device with real-time clock |
JP5229592B2 (en) | 2010-06-30 | 2013-07-03 | 横河電機株式会社 | Wireless field device |
US20130201316A1 (en) * | 2012-01-09 | 2013-08-08 | May Patents Ltd. | System and method for server based control |
DE102012102516A1 (en) * | 2012-03-23 | 2013-09-26 | Endress + Hauser Gmbh + Co. Kg | Method for operating a field device |
DE102013106098A1 (en) * | 2013-06-12 | 2014-12-18 | Endress + Hauser Gmbh + Co. Kg | Method for parameterizing a field device |
US10046660B2 (en) * | 2015-06-19 | 2018-08-14 | Qualcomm Incorporated | Devices, systems, and methods using reactive power injection for active tuning electric vehicle charging systems |
DE102015117011A1 (en) * | 2015-10-06 | 2017-04-06 | Vega Grieshaber Kg | Power supply unit for a radio module |
DE102016124796A1 (en) * | 2016-12-19 | 2018-06-21 | Endress+Hauser Conducta Gmbh+Co. Kg | Sensor head module for continuous automated data acquisition |
-
2018
- 2018-04-26 DE DE102018110101.5A patent/DE102018110101A1/en not_active Withdrawn
-
2019
- 2019-04-17 EP EP19719790.8A patent/EP3785087A1/en active Pending
- 2019-04-17 US US17/050,645 patent/US11588511B2/en active Active
- 2019-04-17 CN CN201980025992.4A patent/CN111989627A/en active Pending
- 2019-04-17 WO PCT/EP2019/059946 patent/WO2019206768A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2019206768A1 (en) | 2019-10-31 |
US20210067192A1 (en) | 2021-03-04 |
DE102018110101A1 (en) | 2019-10-31 |
CN111989627A (en) | 2020-11-24 |
US11588511B2 (en) | 2023-02-21 |
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