EP2076825A1 - Verfahren und system zum redundanten ansteuern einer slaveeinrichtung - Google Patents
Verfahren und system zum redundanten ansteuern einer slaveeinrichtungInfo
- Publication number
- EP2076825A1 EP2076825A1 EP07818625A EP07818625A EP2076825A1 EP 2076825 A1 EP2076825 A1 EP 2076825A1 EP 07818625 A EP07818625 A EP 07818625A EP 07818625 A EP07818625 A EP 07818625A EP 2076825 A1 EP2076825 A1 EP 2076825A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- data
- slave device
- output
- status
- 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.)
- Ceased
Links
Classifications
-
- 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—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- 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
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24178—Controlled device decides which redundant controller will be active
-
- 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
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25428—Field device
Definitions
- the invention relates both to a control and data transmission system and to a method for the redundant activation of a slave device by at least two control devices, which are intended in particular for use in automation technology.
- the invention has for its object to provide a method and a control and data transmission system, which ensure a substantially seamless control of a field device even in case of failure of a control device.
- a core idea of the invention is to be seen in a
- Slave device which may be in particular a field device to be provided with a plurality, preferably two addressable output interfaces, each output interface can be controlled by a separate control device.
- Slave device is used to determine at any time, which control device may provide output data for the slave device.
- control and data transmission system for redundantly driving a slave device. It should be noted at this point that the control and data transmission system can be an automation system and the slave device can be a field device.
- the slave device is connected via a communication network with at least two control devices.
- the slave device has several, preferably two addressable output interfaces for receiving output and status data.
- the output data may be control data, such as parameterization and configuration data and the like.
- status data signal the operating state of a control device.
- Each control device has a device for generating and transmitting status and output data to a separate output interface of the slave device.
- the slave device has an evaluation device which, in response to the status signals received by the control devices, controls the forwarding of received output data for further use.
- Output interface means is called, which receives the data coming from a controller.
- the output interfaces are preferably logical interfaces, so that the actual connection to the communication network only via a physical interface, eg. As an Ethernet interface, can take place.
- the output interfaces may also be physical interfaces.
- Output data to physical outputs detected which may be connected, for example, actuators, memory and / or a processor of the slave device to which the output data are supplied. Furthermore, this embodiment can detect an embodiment in which the output data are fed to an application running in the slave device.
- the evaluation device In order to ensure that the output data of all control devices of the slave device need not be taken into account during proper operation of all the control devices, the evaluation device is designed such that it only forwards the output data of a predetermined control device in response to status signals which signal the correct operation of all the control devices.
- Slave device are provided, status and output data transmitted to the slave device, a seamless and correct further processing of the slave device can be ensured by the fact that the evaluation is designed such that in response to status signals that signal the failure of a control device, only the output data coming from a properly operating control device is taken into account by the slave device.
- the slave device In order to avoid that in case of failure of all control devices, the slave device goes into an uncontrolled functional operation, controls the evaluation in response to status signals that signal the failure of all control devices, the slave device in a definable operating state. For example, in this case, the power supply to the slave device is interrupted.
- the slave device has at least one addressable input interface for providing input data to the control device on.
- An input interface is a device which, from the point of view of the control device, provides input data for this control device.
- each control device has a device for receiving the input data provided by the respective input interface.
- the slave device contains several input interfaces, these are assigned individual addresses by means of which the control devices can query the input data.
- the input interfaces serve to apply the input data intended for the control devices to a plurality of input interfaces, so that the input data is preferably synchronous with the input data
- Input interfaces can be transmitted under control of input logic to the respective control devices. In this way it can be ensured that the slave device is controlled substantially synchronously by the control devices. It should be noted at this point that the input interfaces are preferably logical interfaces, so that the connection of the slave device to the communication network can take place via only one physical interface. Alternatively, the
- Input interfaces be designed as physical interfaces.
- each control device may include a device for selectively polling a predetermined one
- the controllers are configured to exchange status data. Furthermore, each one has Control device on a device for detecting the failure of the other control device by evaluating the received status data.
- Request input data and can transmit the determined for the slave device status and output data, both the addresses of the input interfaces and the addresses of the output interfaces of the slave device are stored in a memory.
- control devices and the slave device are preferably connected to one another via a TCP / IP-based network, for example the Ethernet or a field bus.
- two control devices control the slave device.
- Slave device are connected. Each controller sends status and output data to a separate output interface of the slave device. It should be noted at this point that status and output data are not together in a package or framework for
- Slave device must be transmitted. It is conceivable, however, that first the status data are transmitted, and then the output data are transmitted to the slave device in a separate communication cycle. The received status data are then evaluated and under In response to the evaluated status signals, only the output data coming from a predetermined control device are forwarded for further use, ie taken into account by the slave device.
- the status data represents the operating state of the respective control device, wherein when the status data signal the failure of a control device, the output data of the other control device are forwarded, and wherein, when the status signals signal the proper operation of all control devices, only the output data of a predetermined control device are forwarded ,
- Control means the slave device to transmit input data to the control means.
- each control device is connected via a cable connection with the slave device, via which the input data are transmitted to the control devices.
- the slave device preferably has control logic that provides input data to the controllers at the same time. In this way it is ensured that the control devices can control the slave device synchronously.
- control devices can exchange status data with one another, wherein each control device can transmit status data, which signal its own operating state and the operating state of the other control device, to the respective output interface of the slave device.
- each control device can transmit status data, which signal its own operating state and the operating state of the other control device, to the respective output interface of the slave device.
- the slave device of the Failure of a control device are also communicated for the case that the connection between the faulty control device and the slave device has been canceled and thus no status data can be transmitted from this control device to the slave device.
- the single FIGURE shows an exemplary control and data transmission system 10, which is used for example in automation technology.
- the control and data transmission system 10 is constructed redundantly. In the present example this means that a
- Slave device 40 hereinafter also referred to as field device, preferably communicates with two control devices 20 and 30 synchronously.
- the control devices 20 and 30 are connected to the field device 40 via a communication network.
- the communication network symbolically represented by dashed links 70, 72 and 74, may be a TCP / IP
- Communication network such as the Ethernet or a fieldbus.
- control and data transmission system 10 usually also contains more than just one field device.
- the field device 40 has two input interfaces 51 and 52, the data can transmit to the controller 20 and 30, respectively.
- the input interfaces 51 and 52 serve to supply the input data to physical inputs 53 to the control device 20 or the control device 30 preferably synchronously.
- An input logic 50 arranged between the physical inputs 53 and the input interfaces 51 and 52 ensures that the input data are simultaneously made available to the control devices 20 and 30. This will ensure that both
- Controllers 20 and 30 can handle the same control programs or applications, so that a parallel, ie redundant monitoring and control of the field device 40 by the controllers 20 and 30 takes place ' . Furthermore, this ensures that the control of the field device 40 can pass smoothly, that is to say seamlessly, from one control device to the other control device.
- the input interfaces 51 and 52 are in the present example designed as logical interfaces that can communicate with the control devices 20 and 30 via a single physical interface, not shown, for example an Ethernet interface.
- Input interfaces 51 and 52 and the input logic are not mandatory. It is expedient that the input data lying at the physical inputs are transmitted simultaneously to the control devices 20 and 30 or that the two control devices can simultaneously read the input data.
- the input data can be stored in a memory device (not shown), which can be accessed by the two control devices 20 and 30 in succession or at the same time.
- a memory can in the Input interfaces 51 and 52 implemented, if these are physical interfaces.
- each logical input interface is assigned an address.
- the address of the input interface 51 is stored in a memory 21 of the control device 20, whereas the address of the input interface 52 is stored in a memory 31 of the control device 30.
- the input data of the field device 40 may be retrieved by a known polling procedure performed by the controllers 20 and 30.
- the input interfaces 51 and 52 may be triggered, for example, by the input logic 50 such that at any given time or cyclically the input data from the input interface 51 and the
- Input interface 52 are selectively sent to the controller 20 and to the controller 30.
- Output interfaces 61 and 62 implemented, each associated with an address.
- the logical output interfaces 61 and 62 communicate in this case via a physical interface, not shown, with the control devices 20 and 30, respectively.
- the address of the output interface 61 is stored as the destination address in the memory 21 of the controller 20, while the address of the output interface 62 is stored as the destination address in the memory 31 of the controller 30.
- output and status data can be selectively transferred from the controller 20 to the output interface 61 and output and status data from the controller 30 to the output interface 62.
- An output logic 60 hereinafter also called evaluation, is with the two Output interfaces 61 and 62 connected and ensures that the output data received at the output interfaces are forwarded in a predetermined manner to physical outputs 63 of the field device 40.
- the output interfaces 61 and 62 can alternatively also be embodied as physical interfaces via which the slave device 40 is connected to the communication network.
- the control devices 20 and 30 can also exchange status data with one another in order to synchronize the execution of control programs and / or to communicate the respective operating state of the other control device.
- input interface is used to indicate that the from the field device 40 to the control devices 20 and
- Output interface was used to indicate that the output and / or status data arriving at the output interfaces of the field device 40 are output data of the controllers.
- Control devices 20 and 30 are available.
- the input data may be device related status data, temperature data of a temperature sensor connected to one of the physical inputs 53, or the like.
- the at the physical inputs 53 applied input data are under control of the input logic; 50 are transmitted from the input interfaces 51 and 52 to the controller 20 and to the controller 30, respectively, preferably at the same time.
- the received input data is then supplied to corresponding control programs and / or application programs running in the control devices, so that the control devices 20 and 30 can control the field device 40 synchronously.
- the input data can also be queried by the control devices 20 and 30 from the field device 40.
- each control device sends a request packet which contains the respective destination address of the respective input interface.
- the controller 20 sends an input data request packet to the input interface 51, wherein the input data request packet includes both the address of the controller 20 and the destination address of the input interface 51.
- the controller 30 may transmit an input data request packet containing both the address of the controller 30 and the destination address of the input interface 52 to the input interface 52 of the field device 40.
- the input logic 50 may read the input data request instructions contained in the packets and the
- Control input interfaces 51 and 52 such that the input data via the input interface 51 to the controller 20 and via the input interface 52 to the controller 30 are transmitted.
- the control devices 20 and 30 regularly or at arbitrary times transmit data packets containing status data to the field device 40.
- the controller 20 transmits status data
- the controller 20 writes the destination address of the output interface 61 in the packet to be transmitted
- the controller 30 writes the destination address of the output interface 62 in the packet to be transmitted.
- the status data contained in the packets signals the field device 40 as to whether the controllers operate faultless or faulty.
- Data packets are, for example, in the output logic 60. If the output logic 60 determines that the status data transmitted by the control devices 20 and 30 in the packets signal a fault-free operation of both control devices, then the
- Output logic 60 ensures that, for example, only the output data transmitted by the control device 20 to the output interface 61 are forwarded to the physical outputs 63 of the field device 40 for further processing.
- the physical outputs 63 form, for example, interfaces to a microprocessor, to an actuator or other actuators.
- the output logic 60 of the field device 40 determines that the status data contained in a data packet of the control device 30 signals erroneous operation of the control device 30, then the output logic 60 ensures that only the output data contained in the data packets of the control device 20 can be compared to the physical data Outputs 63 are forwarded. In this way, it is possible to continue smoothly, that is to say seamlessly, the physical outputs of the field device 40, even if one of the control devices fails.
- the output logic 60 can drive the field device 40 into a defined operating state. For example, the output logic 60 can ensure that the power supply of the field device 40 is interrupted, or the physical outputs are set to a defined value.
- controllers 20 and 30 usually work the same control programs. But this does not have to be synchronized.
- both control devices 20 and 30 may be configured such that the one
- Control device can notice the failure of the other controller.
- the control device 20 may have a detection device 22 for detecting the failure of the control device 30 and the control device 30 a detection device 32 for detecting the failure of the control device 20.
- the error-free operating control device for example the control device 20
- the output logic 60 again ensures that only the output data arriving from the control device 20 at the output interface 61 is forwarded to the physical outputs 63.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Safety Devices In Control Systems (AREA)
- Small-Scale Networks (AREA)
- Hardware Redundancy (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006047026A DE102006047026B4 (de) | 2006-10-02 | 2006-10-02 | Verfahren und System zum redundanten Ansteuern einer Slaveeinrichtung |
| PCT/EP2007/008545 WO2008040526A1 (de) | 2006-10-02 | 2007-10-02 | Verfahren und system zum redundanten ansteuern einer slaveeinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2076825A1 true EP2076825A1 (de) | 2009-07-08 |
Family
ID=38961267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07818625A Ceased EP2076825A1 (de) | 2006-10-02 | 2007-10-02 | Verfahren und system zum redundanten ansteuern einer slaveeinrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8671310B2 (de) |
| EP (1) | EP2076825A1 (de) |
| CN (1) | CN101523310B (de) |
| DE (1) | DE102006047026B4 (de) |
| WO (1) | WO2008040526A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009027369A1 (de) * | 2009-07-01 | 2011-01-05 | Robert Bosch Gmbh | Verfahren sowie System zur Ansteuerung von mindestens einem Aktuator |
| DE102010020504A1 (de) * | 2010-05-14 | 2011-11-17 | Guido Artschwager | Vorrichtung und Verfahren, das es ermöglicht, Daten zwischen einem SAP-System (SAP) und einer speicherprogrammierbaren Steuerung (SPS) sicher zu übertragen |
| DE102010025515A1 (de) | 2010-06-29 | 2011-12-29 | Phoenix Contact Gmbh & Co. Kg | Kommunikationssystem zum Verbinden von Feldgeräten mit einer überlagerten Steuereinrichtung |
| US20120020786A1 (en) * | 2010-07-21 | 2012-01-26 | Clipper Windpower, Inc. | Method and system for redundant turbine control |
| EP2418580B1 (de) * | 2010-08-10 | 2012-10-10 | Siemens Aktiengesellschaft | Verfahren zum Betreiben eines Netzwerkes und Netzwerk |
| DE102010041437B4 (de) * | 2010-09-27 | 2016-11-03 | Robert Bosch Gmbh | Überprüfung von Funktionen eines Steuersystems mit Komponenten |
| JP2013025358A (ja) * | 2011-07-15 | 2013-02-04 | Yokogawa Electric Corp | フィールド通信システム |
| DE102012011600B4 (de) | 2012-02-21 | 2015-07-16 | Phoenix Contact Gmbh & Co. Kg | Verfahren zur Steuerung einer Fluchtwegmarkierungs-Beleuchtung |
| EP2639660A1 (de) | 2012-03-16 | 2013-09-18 | Siemens Aktiengesellschaft | Verfahren und System für Steuerungsübergang |
| EP2682826B1 (de) * | 2012-07-02 | 2018-06-13 | Siemens Aktiengesellschaft | Automatisierungssystem mit Ausgabegerät |
| DE102013103379A1 (de) | 2013-04-04 | 2014-10-09 | Phoenix Contact Gmbh & Co. Kg | Steuer- und Datenübertragungsanlage zur redundanten Prozesssteuerung und Verfahren zur Firmware-Aktualisierung |
| DE102013103380A1 (de) | 2013-04-04 | 2014-10-09 | Phoenix Contact Gmbh & Co. Kg | Steuer- und Datenübertragungsanlage, Prozesseinrichtung und Verfahren zur redundanten Prozesssteuerung mit dezentraler Redundanz |
| DE102013106954A1 (de) | 2013-07-02 | 2015-01-08 | Phoenix Contact Gmbh & Co. Kg | Verfahren zur Fehlerüberwachung, Steuer- und Datenübertragungsanlage und Steuereinrichtung |
| JP5943022B2 (ja) * | 2014-03-25 | 2016-06-29 | 横河電機株式会社 | プロセス制御システム |
| CN106797341B (zh) * | 2014-07-03 | 2020-08-28 | 阿贝尔环球国际有限公司 | 电子装置的群组控管方法及控制机器 |
| US9626157B2 (en) * | 2014-07-03 | 2017-04-18 | Able World International Limited | Method of projecting a workspace and system using the same |
| EP3547618B1 (de) * | 2018-03-29 | 2023-03-01 | Siemens Aktiengesellschaft | Verfahren zum aufbau einer redundanten kommunikationsverbindung und ausfallgesicherte steuerungseinheit |
| CN111090235A (zh) * | 2018-10-23 | 2020-05-01 | 株洲中车时代电气股份有限公司 | 一种控制系统切换装置和方法 |
| WO2021081895A1 (zh) * | 2019-10-31 | 2021-05-06 | 西门子股份公司 | 控制系统、现场设备、分布式控制系统及控制系统的备份方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5202822A (en) * | 1990-09-26 | 1993-04-13 | Honeywell Inc. | Universal scheme of input/output redundancy in a process control system |
| US5583757A (en) * | 1992-08-04 | 1996-12-10 | The Dow Chemical Company | Method of input signal resolution for actively redundant process control computers |
| FR2786891B1 (fr) * | 1998-12-04 | 2001-01-12 | Schneider Automation | Systeme d'automatisme redondant |
| JP4054509B2 (ja) * | 2000-04-19 | 2008-02-27 | 株式会社東芝 | フィールド機器制御システムおよびコンピュータが読取り可能な記憶媒体 |
| DE10030329C1 (de) * | 2000-06-27 | 2002-01-24 | Siemens Ag | Redundantes Steuerungssystem sowie Steuerrechner und Peripherieeinheit für ein derartiges Steuerungssystem |
| US7370239B2 (en) * | 2001-05-31 | 2008-05-06 | Fisher-Rosemount Systems, Inc. | Input/output device with configuration, fault isolation and redundant fault assist functionality |
| US7421478B1 (en) * | 2002-03-07 | 2008-09-02 | Cisco Technology, Inc. | Method and apparatus for exchanging heartbeat messages and configuration information between nodes operating in a master-slave configuration |
| WO2004092951A2 (en) * | 2003-04-18 | 2004-10-28 | Sap Ag | Managing a computer system with blades |
| EP1685451A1 (de) * | 2003-11-17 | 2006-08-02 | Siemens Aktiengesellschaft | Redundantes automatisierungssystem zur steuerung einer tech-n ischen einrichtung sowie verfahren zum betrieb eines derar-ti gen automatisierungssystems |
| US8266234B1 (en) * | 2004-06-11 | 2012-09-11 | Seisint, Inc. | System and method for enhancing system reliability using multiple channels and multicast |
| DE102004051130A1 (de) | 2004-10-18 | 2006-05-04 | Siemens Ag | Verfahren und Automatisierungssystem zum Bedienen und/oder Beobachten mindestens eines Feldgerätes |
-
2006
- 2006-10-02 DE DE102006047026A patent/DE102006047026B4/de not_active Revoked
-
2007
- 2007-10-02 WO PCT/EP2007/008545 patent/WO2008040526A1/de not_active Ceased
- 2007-10-02 EP EP07818625A patent/EP2076825A1/de not_active Ceased
- 2007-10-02 US US12/311,538 patent/US8671310B2/en not_active Expired - Fee Related
- 2007-10-02 CN CN2007800368882A patent/CN101523310B/zh active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008040526A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008040526A1 (de) | 2008-04-10 |
| DE102006047026B4 (de) | 2011-02-24 |
| DE102006047026A1 (de) | 2008-04-03 |
| US20100030937A1 (en) | 2010-02-04 |
| CN101523310A (zh) | 2009-09-02 |
| CN101523310B (zh) | 2013-12-04 |
| US8671310B2 (en) | 2014-03-11 |
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