EP4046344A1 - Multifunktionaler switch zum einsatz in einer prozesssteuernden automatisierungsanlage sowie eine solche prozesssteuernde automatisierungsanlage - Google Patents
Multifunktionaler switch zum einsatz in einer prozesssteuernden automatisierungsanlage sowie eine solche prozesssteuernde automatisierungsanlageInfo
- Publication number
- EP4046344A1 EP4046344A1 EP20790285.9A EP20790285A EP4046344A1 EP 4046344 A1 EP4046344 A1 EP 4046344A1 EP 20790285 A EP20790285 A EP 20790285A EP 4046344 A1 EP4046344 A1 EP 4046344A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- program
- switch
- functionality
- designed
- multifunctional switch
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/58—Association of routers
- H04L45/586—Association of routers of virtual routers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/65—Re-configuration of fast packet switches
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/4557—Distribution of virtual machine instances; Migration and load balancing
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45595—Network integration; Enabling network access in virtual machine instances
Definitions
- Multifunctional switch for use in a process-controlling automation system as well as such a process-controlling automation system
- the invention relates to a multifunctional switch for use in a process-controlling automation system and to such a process-controlling automation system.
- modular process control automation systems are used that, in addition to an external
- Energy supply device usually a router, a switch, a control device, for example in the form of a programmable logic controller (PLC) for controlling a manufacturing process, and can have several input and / or output modules. All components can be designed in a modular manner and mounted spatially separated from one another on a mounting rail.
- PLC programmable logic controller
- All components can be designed in a modular manner and mounted spatially separated from one another on a mounting rail.
- communication between the control device and the input and / or output modules takes place via a first bus system, for example the AXIO bus, while communication between the control device, the switch and the router is carried out via a second bus system, for example the Ethernet .
- the external bus system for example the AXIO bus
- the power supply is usually connected to the router, the switch and the cable via a cable
- the present invention is based on the object of providing a multifunctional switch and a process-controlling automation system which allow less cabling, less space requirements and simplified communication.
- a core idea of the invention can be seen in providing a multifunctional switch which, in addition to the actual switch functionality, has at least one further functionality, namely a
- Control device functionality and / or a router functionality can run, which can be stored and installed as virtual machines in the multifunctional switch. It should be noted at this point that a switch functionality is preferably implemented in layer 2 of the OSI layer reference model, while a router functionality is implemented in layer 3 of the OSI layer reference model.
- the control device functionality takes on all the tasks of a conventional programmable logic controller (PLC).
- FIG. 1 shows an exemplary process-controlling automation system 10, which can have, for example, an external energy supply device 20, a multifunctional switch 30 and at least one input and / or output module 60 for connecting field devices such as sensors and / or actuators.
- the exemplary automation system 20 has, in addition to the input and / output module 60, to which preferably safety-related field devices 100, 101 can be connected for controlling a safety-critical process, an input and / or output module 90, to which preferably non-safety-related field devices 110 and 111 can be connected to control a non-safety-critical process.
- the energy supply device 20, the multifunctional switch 30 and the input and / or output modules 60 and 90 can be of modular design and in particular can be provided to be electrically connected to one another via a bus system 80.
- the bus system 80 can be arranged in a mounting rail 70, for example a top hat rail, wherein the
- Energy supply device 20, multifunctional switch 30 and the at least two input and / or output modules 60 and 90 can be designed for mounting on top-hat rail 70.
- the multifunctional switch 30 has a control unit 31, which can preferably be designed as a microcontroller and in particular as a 500 MHz or even faster control unit.
- the control unit 31 is below among other things designed to operate the multifunctional switch 30 as a switch, preferably as an Ethernet switch or Gigabit Ethernet switch.
- the multifunctional switch 30 has a large number of ports 40-43 and 50-52 to which, depending on the application or implementation, for example at least one network segment and / or another communication network, such as the Internet, can be connected.
- ports 40-43 and 50-52 are designed as RJ-45 connectors. However, the ports can also be designed differently physically.
- the ports 40-43 and 50-52 can be electrically connected via an internal backplane 33, which is, for example, a high-speed bus.
- the control unit 31 and a communication interface 34 of the multifunctional switch 30, via which the multifunctional switch 30 can be connected to the bus system 80, for example, are preferably also connected to the high-speed bus 33.
- a memory device 32 is implemented in the multifunctional switch 30, in which a first program for executing a switch functionality is stored.
- the first program can preferably be firmware that operates the multifunctional switch 30 as a switch.
- the multifunctional switch 30 can preferably be designed as a high-speed switch which, in particular when it executes the switch functionality, several
- High speed ports for example ports 40 to 43 can support.
- the term “high speed” here means that i) the high speed ports, for example ports 40 to 43 Send and receive data independently of each other at a data transfer rate of at least 100 Mbit / s, preferably 1Gbit / s, 2.5Gbit / s, 5Gbit / s, 10Gbit / s, 25Gbit / s, 50Gbit / s, 100Gbit / s and more can, and that ii) the multifunctional switch 30 is designed to transfer data, preferably in response to a routing table, with the corresponding
- the multifunctional switch 30 preferably comprises suitable high-speed transmission means, for example the above-mentioned high-speed bus 33 which connects the high-speed ports, and a sufficiently fast operating control unit 31, for example the above-mentioned 500 MHz control unit.
- a buffer with sufficient storage capacity for storing data frames can be implemented.
- the buffer memory can be implemented as part of the memory device 32 or as a separate memory in the multifunctional switch 30.
- the multifunctional switch 30 can preferably be designed as a Gigabit Ethernet switch such as, for example, of the VSC7449-01 type, which can support 52 Gigabit Ethernet ports. A corresponding number of high-speed ports can then be implemented in the multifunctional switch 30.
- the switch functionality in particular a high-speed switch functionality, as explained above by way of example, cannot be implemented as a pure virtual switch in a PC. Rather, in this case a switch must be used that has the hardware shown as an example above and capabilities.
- the switch functionality to be carried out by the multifunctional switch determines its required performance.
- the multifunctional high-speed switch explained above by way of example can be designed to carry out industrial applications in the field of automation technology.
- At least one other program is stored in the memory device 32, namely a second program for executing a safety-related control device functionality and / or a third program for executing a router functionality and / or a fourth program for executing a non-safety-related control device functionality .
- the second, third and / or fourth program can each be downloaded as an app into the storage device 32 and installed in the multifunctional switch 30.
- Each app runs in a virtual machine that represents, for example, a virtual safety-related control device, a virtual non-safety-related control device or a virtual router.
- the apps can be downloaded via an external computer, which can be connected to port 40, for example, or directly from an app store.
- the control unit 31 can be based on the
- Storage device 32 access stored programs. It is designed, for example, as a function of an operating system, which is also in the Storage device 32 can be stored, a switch functionality while processing the first program, and / or a safety-related functionality when processing the second program
- Control device functionality and / or a router functionality while processing the third program and / or a non-safety-related control device functionality while processing the fourth program.
- the first, second, third and fourth programs, if installed, can be executed simultaneously or at different times.
- an operating system is stored in the multifunctional switch 30 in which the switch functionality or the first program runs, via which the further programs or apps and / or also the ports are made available.
- Automation system 10 can be seen in the fact that, in particular, multifunctional switch 30 and, in the present example, input and / or output modules 60 and 90 can communicate with one another via a common bus system, here bus system 80.
- the bus system 80 is preferably an SPE-based bus system which is based on single-pair Ethernet technology.
- the communication interface 34 is designed as an SPE-based interface, which can be electrically connected to a complementary SPE-based interface 81 of the bus system 80.
- the safety-related input and / or output module 60 has an SPE-based interface 62, which can be electrically connected to a further SPE-based complementary interface 82 of the bus system 80.
- the input and / or output module 60 may include multiple PES-based having n ports 61i-61, in the SPE-based safety-related field devices 110, 101 can be directly connected. In this case there is no need for gateways to convert the communication protocol.
- the non-safety-related input and / or output module 90 has an SPE-based interface 92, which can be electrically connected to a further SPE-based complementary interface 83 of the bus system 80.
- the input and / or output module 90 may comprise a plurality of n SPE-based interfaces 91i -91, to the SPE-based non-safety-related field devices 110, 111 can be directly connected. In this case, too, no gateways are required that have a
- the energy supply of the multifunctional switch 30 and possibly the field devices that can be switched to the input and / or output modules 60 and 90 can take place via what is known as PoDL technology.
- the abbreviation PoDL stands for "Power over Data Line".
- the external energy supply device 20 can transmit energy via the SPE-based bus system 80 to the multifunctional switch 30 and to the input and / or output modules 60 and 90.
- the energy supply device 20 has an SPE-based interface 21, which can be electrically connected to a further complementary SPE-based interface 84 of the bus system 80.
- the energy supply device 20 can preferably provide a direct voltage, for example a direct voltage of 24 V.
- the process-controlling automation system 10 shown by way of example in FIG. 1 enables the energy supply device 20 to transmit not only energy but also data, such as diagnostic data, to the multifunctional switch 30 via the bus system 80.
- the multifunctional switch 30 works, for example, as a virtual safety-related control device, that is, the control unit 31 executes the second program
- the diagnostic data of the energy supply device 20 can be evaluated and processed by the multifunctional switch 30, for example in order to detect the safety-related data connected to the input and / or output module 60
- the control unit 31 is executing, for example, the second program relating to the control device functionality.
- the mode of operation of the multifunctional switch 30 is explained below by way of example.
- the energy supply device 20 diagnostic data which, for example, indicate faulty operation of the energy supply device 20, via the interfaces 21 and 84 via the bus system 80 and the interfaces 81 and 34 as well as via the
- High speed bus 33 to control unit 31 transmits.
- the control unit 31 is designed to recognize that diagnostic data have been transmitted.
- the control unit 31 executes the second program stored in the memory device 32, ie the function of a safety-related virtual PLC.
- One possible scenario provides that, in response to the diagnostic data, the control unit 31 transfers all of the safety-related actuators (not shown) connected to the input and / or output module 60 to a safe state by sending corresponding control data from the control unit 31 via the high-speed bus 33 and the interfaces 34 and 81 as well as via the bus system 80 and via the interfaces 82 and 62 are fed to the respective safety-related actuators.
- the process-controlling automation system 10 shown in FIG. 1 is to communicate with the Internet connected to port 50.
- the control unit 31 executes the router functionality stored in the memory device 32, and the multifunctional switch 30 causes communication between the Internet and the process-controlling automation system 10 to be handled via the port 50.
- the measurement data generated by a safety-related sensor connected to the input and / or output module 60 should be stored on the Internet.
- the measurement data from the sensor 100 via the bus system 80 to the multifunctional switch 30 and then transferred to the Internet via port 50 under the control of the control unit 31, which operates as a virtual router.
- control unit 31 of the multifunctional switch 30 works, for example, at the same time as a virtual router and virtual safety-related control device.
- the control unit 31, which functions as a virtual safety-related control device, is configured to evaluate the measurement data received from the sensor 100 and to forward corresponding control data to a predetermined safety-related actuator connected to the input and / or output module 60, for example the actuator 101, for example to switch the actuator 101 on to drive in a safe state.
- a multifunctional switch 30 is provided for use in a process-controlling automation system 10, wherein the multifunctional switch 30 can have the following features: a control unit 31, which can be designed as a microcontroller, a large number of ports or interfaces 40-43 and 50-52, and a memory device 32 in which a first program for executing a switch functionality and also a second program for executing a
- Control device functionality and / or a third program for executing a router functionality can be stored, wherein the control unit 31 is designed to execute a switch functionality while processing the first program and furthermore a control device functionality while processing the second program and / or a router functionality while processing the third program.
- the control unit 31 is advantageously designed to assign at least some of the ports to the corresponding functionality to be executed as a function of the program to be processed in each case.
- the multifunctional switch 30 can expediently have an SPE-based interface 34, to which an external energy supply device 20 for supplying energy to the multifunctional switch according to PoDL technology can be connected.
- the multifunctional switch 30 is preferably designed as a module for mounting on a mounting rail 70.
- the multifunctional switch 30 can be electrically connected via a bus system 70 to at least one input and / or output module 60, 90 for communication with field devices 100, 101 or 110, 111.
- a non-safety-related control device functionality can be stored in the memory device 32 as a second program and a safety-related control device functionality as a fourth program
- the control unit 31 is designed to execute a safety-related control device functionality while processing the fourth program.
- the multifunctional switch 30 can preferably be designed as a high-speed switch, in particular as a gigabit Ethernet switch.
- At least some ports 40-43 of the large number of ports 40-43 and 50-52 can be designed as high-speed ports, each of which can be designed to receive data at a transmission rate of at least 100Mbit / s, preferably 1Gbit / s, 2, 5Gbit / s, 5Gbit / s, 10Gbit / s, 25Gbit / s, 50Gbit / s, 100Gbit / s and more to send and transmit, wherein the control unit 31 can be designed to execute a switch functionality while processing the first program and data between the high-speed ports 40-43 at a data transfer rate of at least 100Mbit / s, preferably 1Gbit / s, 2.5Gbit / s, 5Gbit / s, 10Gbit / s, 25Gbit / s, 50Gbit / s, 100Gbit /
- a process-controlling automation system 10 which has the following features: a bus system 80, a multifunctional switch 30 that can be electrically connected to the bus system 80 in accordance with the explanations above, and at least one input and / or output module 60 that can be electrically connected to the bus system 80 , 90.
- the bus system 80 is advantageously an SPE-based bus system which is designed to be arranged in a mounting rail 70.
- the multifunctional switch 30 is advantageously designed to control the automation system 10 by executing the second program by the control unit 31.
- the automation system 10 can advantageously comprise an external energy supply device 20 having an SPE-based interface 21, which can be connected to an SPE-based interface 34 of the multifunctional switch 30, the external
- Energy supply device 20 is designed to supply in particular the multifunctional switch 30 with energy by means of PoDL technology.
- the programs that can be stored in the storage device 32 represent virtual machines, such as a virtual router, a virtual safety-related control device, a virtual, non-safety-related control device.
- the multifunctional switch 30 at least performs the functions of a virtual machine.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Programmable Controllers (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019127551.2A DE102019127551A1 (de) | 2019-10-14 | 2019-10-14 | Multifunktionaler Switch zum Einsatz in einer prozesssteuernden Automatisierungsanlage sowie eine solche prozesssteuernde Automatisierungsanlage |
| PCT/EP2020/078742 WO2021074128A1 (de) | 2019-10-14 | 2020-10-13 | Multifunktionaler switch zum einsatz in einer prozesssteuernden automatisierungsanlage sowie eine solche prozesssteuernde automatisierungsanlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4046344A1 true EP4046344A1 (de) | 2022-08-24 |
Family
ID=72852674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20790285.9A Pending EP4046344A1 (de) | 2019-10-14 | 2020-10-13 | Multifunktionaler switch zum einsatz in einer prozesssteuernden automatisierungsanlage sowie eine solche prozesssteuernde automatisierungsanlage |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20240146577A1 (de) |
| EP (1) | EP4046344A1 (de) |
| JP (1) | JP2022551303A (de) |
| CN (1) | CN114556873B (de) |
| DE (1) | DE102019127551A1 (de) |
| WO (1) | WO2021074128A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022117693A1 (de) * | 2022-07-15 | 2024-01-18 | Turck Holding Gmbh | Station zum Einsatz in einem Feldnetz zwischen einem oder mehreren Feldgeräten und einer Zentraleinheit sowie in einen Modulträger auswechselbar einsteckbares Switch-Modul |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2241122A1 (en) * | 1997-06-19 | 1998-12-19 | Eiji Otsuka | Digital exchange |
| US6690668B1 (en) * | 1998-10-19 | 2004-02-10 | Texas Instruments Incorporated | Modular interconnection of network switches |
| US7974192B2 (en) * | 1999-10-13 | 2011-07-05 | Avaya Inc. | Multicast switching in a distributed communication system |
| CN101208674B (zh) * | 2005-06-23 | 2012-07-04 | 赫优讯自动化系统有限公司 | 用于开放式自动化系统的总线用户的数据通信的方法和装置 |
| US8428054B2 (en) * | 2005-11-14 | 2013-04-23 | Lantronix, Inc. | Daisy chaining device servers via ethernet |
| US8107466B2 (en) * | 2008-04-01 | 2012-01-31 | Mitac International Corp. | Flexible network switch fabric for clustering system |
| US8040900B2 (en) * | 2008-07-16 | 2011-10-18 | International Business Machines Corporation | N-port network adaptor |
| DE202010010884U1 (de) * | 2010-07-30 | 2011-11-15 | Sma Solar Technology Ag | Vorrichtung zur Aufnahme mindestens eines Schalters in einem Gehäuse, z. B. einem Schaltschrank |
| JP6201319B2 (ja) * | 2013-01-15 | 2017-09-27 | 住友電気工業株式会社 | 変換装置、故障判定方法及び制御プログラム |
| US9426060B2 (en) * | 2013-08-07 | 2016-08-23 | International Business Machines Corporation | Software defined network (SDN) switch clusters having layer-3 distributed router functionality |
| JP6173833B2 (ja) * | 2013-08-19 | 2017-08-02 | APRESIA Systems株式会社 | ネットワーク中継システムおよびスイッチ装置 |
| JP6345604B2 (ja) * | 2014-01-27 | 2018-06-20 | アラクサラネットワークス株式会社 | 通信装置、拡張機能の移動方法、及び通信システム |
| EP3654593B1 (de) * | 2014-12-11 | 2021-11-24 | AT&T Intellectual Property I, L.P. | Mehrschichtige verteilte routerarchitektur |
| US10951712B2 (en) * | 2015-01-05 | 2021-03-16 | iDevices, LLC | IoT communications bridging power switch |
| US10310467B2 (en) * | 2016-08-30 | 2019-06-04 | Honeywell International Inc. | Cloud-based control platform with connectivity to remote embedded devices in distributed control system |
| WO2018049314A1 (en) * | 2016-09-12 | 2018-03-15 | Commscope, Inc. Of North Carolina | Mixed four pair and single pair cabling architecture |
| US20180150061A1 (en) * | 2016-11-28 | 2018-05-31 | Honeywell International Inc. | System and method for using bluetooth communication in industrial process control and automation systems |
| US20180364671A1 (en) * | 2017-06-16 | 2018-12-20 | Honeywell International Inc. | Safety controller with cyber-secure maintenance override |
| EP3444682A1 (de) * | 2017-08-16 | 2019-02-20 | Siemens Aktiengesellschaft | Verfahren zum rechnergestützten koppeln eines verarbeitungsmoduls in ein modulares technisches system und modulares technisches system |
| US10812137B2 (en) * | 2019-01-22 | 2020-10-20 | Cisco Technology, Inc. | Switch for use with single pair ethernet on four-pair cabling |
| LU101627B1 (de) * | 2020-01-30 | 2021-07-30 | Phoenix Contact Gmbh & Co | SPE-basierter Geräteadapter zum Anschließen eines nicht Ethernet-fähigen Feldgeräts an ein Ethernet-basiertes Prozesssteuerungssystem |
-
2019
- 2019-10-14 DE DE102019127551.2A patent/DE102019127551A1/de active Pending
-
2020
- 2020-10-13 WO PCT/EP2020/078742 patent/WO2021074128A1/de not_active Ceased
- 2020-10-13 US US17/768,342 patent/US20240146577A1/en active Pending
- 2020-10-13 EP EP20790285.9A patent/EP4046344A1/de active Pending
- 2020-10-13 CN CN202080072299.5A patent/CN114556873B/zh active Active
- 2020-10-13 JP JP2022521077A patent/JP2022551303A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20240146577A1 (en) | 2024-05-02 |
| CN114556873B (zh) | 2024-06-07 |
| CN114556873A (zh) | 2022-05-27 |
| WO2021074128A1 (de) | 2021-04-22 |
| JP2022551303A (ja) | 2022-12-08 |
| DE102019127551A1 (de) | 2021-04-15 |
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