Method for operating technical plant and system for controlling operation process of technical plant

FIELD: engineering of systems for automatic control over technological processes.

SUBSTANCE: in the method appropriate for invention at least one controlling computing machine is utilized and a certain amount of field devices, while status signals and control signals between at least a portion of field devices and controlling computing machine are transferred using TCP/IP protocol via communication channel, preferably for radio-communication and/or Internet. System for controlling process appropriate for invention has controlling computing machine with Web-server, computing machine of client with Internet browser, and also multiple indicators and positioning devices; system for controlling process is preferably services by means of Internet through personal computer of client.

EFFECT: improved universality of software used for servicing and observing.

2 cl, 3 dwg

 

The invention relates to a method of operating a technical installation and the process control system or operating a technical installation.

For managing the technical installation typically use a process control system, which consists of a number of specialized for a certain task components that are installed in various locations within the technical installation, for example in power plants for production of electric energy.

The process control system typically is hierarchically structured with several levels.

In the hierarchy of the field register the signals received during operation of the technical installation and which describe the operating status of the installation components, and transmit the control signals to the actuators of the plant components.

The level of automation control functions, through which operate the installation implemented in many departments, programmable from memory). When implementing for the most part use at least one special designed for control tasks control software (for example, step 5, step 7, and so on), which is oriented to run only on certain types of Central processor is; which, in turn, operate from a special operating system. The level of automation receives signals from the level in the hierarchy of the field and issues commands to the hierarchy level of the field; the relationship between the level of hierarchy of the field and the level of automation can be implemented in a separate installation of each sensor and/or of each element to the corresponding inputs or, respectively, the outputs of the level of automation, but it can also be used the bus system field with a certain, in most cases, a very special communication Protocol.

Due to the level of service and monitoring educated man-machine interface, through which (people) the operator can operate the technical installation and get information from it. The operator receives, for example, on the display of the computing system in the form of the representations of the process graphical information about the status of the installation and may, for example, via a mouse and/or keyboard of the computing system to enter a computer system teams. The level of service and monitoring are often connected via a bus system of the power plant with the level of automation, and the bus system is made, for example, in the form of a bus system on the optical fibers and is operated by means of a special Protocol.

Vice the extreme level system maintenance and monitoring includes, as a rule, special installed on it software maintenance and surveillance.

Generation of control software is for the most part directly in the automation level with the programming device, which is connected to the control equipment (control, programmable from memory) and by means of which generate so-called purpose code for the respective device automation, and/or through separate design system, which is formed, for example, computing machine, on which, for example, graphically choose standard blocks from the library and connect with each other to implement the desired control functions. Due to the subsequent compilation of functional graphic schemas generate code assignment, which is then loaded on the desired device automation (control, programmable from memory) and which is ready to run.

The use of such known process control system requires, therefore, the application of machine components and software created for specific tasks; software maintenance and surveillance are not ready to run on the devices, and Vice versa, the control software is ready to run on computing the system system maintenance and monitoring. Thus, for the operation of the technical installation should be used in parallel with each other different systems that are not suitable to undertake tasks one of the other systems. In addition, the system also may not be located at almost any spatial distance from each other as the relationship between them, most of the bus system or a separate installation, can not arbitrarily increase, and moreover, this extension if it can be implemented, is very costly and error-prone.

Conventional process control system are, thus, often strictly hierarchically organized, with each hierarchical level are specially coordinated with the appropriate system, such as, for example, called control programming from memory or named bus system automation (for example, bus HI Sinec Siemens or Profibus); called also operated most often with specially developed equipment automation software packages. Since, as already mentioned, the maximum achievable distance, which can be installed remotely from each other components known in the process control system is limited, in practice, often it so happens that all the components of the process control system installed within the technical installation.

This known process control system is very expensive because it uses a special machine and software, which must be configured and Parametrierung experts for use in the technical installation; in addition, diagnostics, maintenance and optimisation of components and functions of the process control system are feasible only in the place. In addition, in the known process control systems, there are only very limited possibilities of control locations that are outside of the technical installation (for this purpose, in the known process control systems often provide a separate system, such as a gateway, and through this special way made the gateway can be settled outside only part of the management tasks; it is often necessary to generate high-cost pair of systems with different communication protocols).

Next, the operator must undergo special training to be able to serve the process control system.

A strict hierarchical structure known in the process control system can be performed, for example, as follows.

At least one device automation (for example, programmable from memory management) level auto is alizatsii memorized and there are control programs, implemented on a special programming language, for example, there is a pending regulation algorithm for operation of the engine.

In the system maintenance and monitoring memorized, for example, a graphical display of the process, which can be entered as dynamic components of the image of the current measured values and parameters of the state and made available to the field teams, in which the user, for example, by clicking a mouse or task using the keyboard can issue the command service (for example, start/stop, setpoint etc). The service team is then transmitted, for example via a bus system of the power plant on the level of automation where it runs through that run on the device automation control program, which controls, for example, the Executive elements of the technical installation, and writes the measured values from the sensors.

In the system maintenance and monitoring of the named as an example the case then, for example, the stored image process engine, which introduced the actual operating condition of the engine (e.g., speed, capacity, length, temperature, etc. that is sent from the automation system via the bus system power on system n is a monitoring and maintenance. The user can then, for example, on the display, click the mouse or press a key and start the engine, stop it or to request a higher power, etc. (assigned to the respective command control program is executed in the automation system).

In the development system of the process control system, for example, project management functionality of the process control system so that, for example, on a display surface of the service call control modules of the software library, connect with each other and supply the values of the parameters thus obtained, composed of a set of control modules, the control program then convert (compile) the code of the destination, which is then loaded on the target device plane automation and is there ready to run. In the development system may, for example, also be the creation and parameterization of process images with their static and dynamic components of the image; thus, the process control system is configured and designed by a specialized system development.

Next may be additionally provided with a separate diagnostic system which monitors working with is being the technical installation, in particular, the critical operating States.

Summarizing, we can say that the well-known process control system to perform their tasks requires a lot of specialized, heterogeneous subsystems, which often uses a special machine and software. Maintenance and configuration of such heterogeneous overall system is therefore very complex, and the costs of implementation and acquisition of such systems are very high. In addition, such a process control system, among other things, due to the high degree of specialization of its subsystems are a little generic.

Therefore, the basis of the invention is the task of creating a method of operation of technical installations and systems process control operation of the technical installation, which overcome the above mentioned disadvantages; in particular, in the main, it should be possible to use a universal computing machines (i.e., not specially designed for automation computers and control equipment) and the use of generic software that is already widely spread, not specifically designed for automation software).

In the method of operation of the technical installation task according to the invention R which agrees with a number of field devices for monitoring and control components of the technical installation, at least one local computing machine for monitoring and control of technical installations and at least one communication channel on which the field devices are connected with the control computer of the machine, and the field devices transmit to the control computer, resulting in a technical installation data dimensions that describe the operating status of at least one of the components, and accept control commands from the control computer, and the status signals and control signals between at least part of the field devices and the control computer of the machine is passed over the communication channel using TCP/IP (transmission control Protocol/Internet Protocol).

The invention thus proceeds from the consideration that the versatility of the method is improved especially when the transmission of measurement data and control commands are used Protocol that can be used in many communication channels and which does not require a machine and software, specially designed for automation technology. In the method according to the invention due to this, it must be possible to use already widely available communication channels for transmission of said data, in particular, without having to install a separate, specially the inou bus system with a special Protocol.

The relationship between the components of the process control system in the method according to the invention takes place mainly with the named Protocol, and participating users communication (in particular, the field devices and the control computer) at the same time supporting the mechanism of IP addressing.

Preferably, the communication channel includes the Internet and/or Intranet and/or the radio.

Thus, it is possible to arrange components used in the method according to the invention of the process control system, in particular the field devices, which preferably are located in the technical installation, and management computing machine at almost any spatial distance from each other, and the relationship between these components takes place through an already popular in remote parts of the world, the Internet, and/or already installed in the space surrounded by the Intranet, and/or via radio communication. Thus, you do not need a separate implementation of the communication channel in the form of hardware, which would have led to the narrow restriction of the possible spatial distances between the components of the process control system. In the case of the use of the Internet and/or Intranet, there is the use of already known and used Protocol is TCP/IP (transmission control Protocol/Internet Protocol) t is K, for the realization of communication does not require any special design or extensive coordination. Also when using radio communication can be easily used Protocol is TCP/IP (transmission control Protocol/Internet Protocol); radio communications may include the Internet and/or Intranet.

In a preferred form of execution of the invention, the management computer includes a Web server to bind to the management computer to the Internet and/or Intranet, and maintenance functions and monitoring of technical installations, which are implemented by means of software in the control computer, are accomplished by computing the client machine that contains an Internet browser connected to the Internet and/or Intranet through a web-based access to the management computer.

In this preferred form of execution of the invention, the management computer can be installed in almost any places that have access to the Internet and/or Intranet. In addition, maintenance and supervision of the technical installation can be done almost anywhere through a computer client. Computing machine client must have as a software - along with operas the operating system - basically just a well-known Internet browser, and to have almost no no special software (like computing machine the client is designated as "simple client"). The computer of the client through Internet browser can thus via the Internet and/or Intranet to access the management computing machine and serve over the Internet implemented the functions that apply to the operation of the technical installation. It can also be accessed through the Internet processed in the control computing machine operating information, for example, status signals and measured values of the technical installation, and output for display on the computing machine of the client. Internet access computers the client to control the computing machine when it preferably contains protective query, for example, require a password to prevent access denied persons May also have multiple passwords for access to the Internet, and each password assigned respectively the right to use a certain amount.

In a further preferred form of execution of the invention the functions of maintenance and/or monitoring consists of software components that contain directly done is emy code of the software.

Be implemented in software common functionality corresponding to the invention of the process control system are formed due to the fact that ready, on their part, to perform in an automatic data processing machine, for example, on a universal computing machine, the software components that implement a certain feature, combined into a new larger function. The shaping function is thus mainly due to the fact that combine, as far as possible, already implemented and ready to perform subfunctions; maintenance functions and observations contain, in particular, automation of the process control system, through which is controlled and/or regulated components of the technical installation.

The preferred way of at least one of the functions of the service and/or observations are made at least two software components, without performing a pre-process, compile and download this maintenance functions and/or observations on the computing machine on which the function is executed.

Development and implementation of such newly created function does not require thus the intermediate conversion function in the code the purpose of wikis is sustained fashion machine which function should be performed. The function is ready to run on the target computer immediately after the merger, at least two software components. Due to this, thus formed the control software is virtually platform-independent computing machine on which it must run. Suitable for creation of such control software programming language is the JAVA programming language, which can be generated byte code, which is immediately ready to run on so-called virtual machine in the JAVA language, virtual machine is available for nearly all well-known, commercially available, in particular, multi-purpose platform computing machines (universal computing machines). In addition, obtained with the programming language JAVA application, for example, program management, and monitoring of technical installations are directly runnable on most common Web browsers and does not require, in addition, no special environment for program execution.

It is preferable to collect data and issue commands in the technical installation using the so-called "intellectual" field is Ribery, which have at least one own microprocessor and which has the above-described virtual machine so that the functions of maintenance and/or monitoring a technical installation can be "unloaded" these field devices and directly there to run. The named function is to perform on the field device to pre-compile and boot into it.

In a particularly preferred form of execution of the invention, basically, all process parameters technical installations, which are processed in the control computer, respectively assign the address of a uniform resource locator (URL).

Named addressing is known especially from the Internet, with a certain content, such as pages or other areas of Internet data is purposefully caused in an Internet browser by entering the so-called address uniform resource locator (URL). In the case of the present invention is used already implemented in Internet mechanisms so that a targeted call to process data, for example, by computing the client machine is just possible through the Internet.

Regarding the process control task according to the invention is solved by si theme control process for operating a technical installation, which contains the following components:

a) at least one control computer for monitoring and control of a technical installation, which has a Web server, through which is established a connection to the Internet and/or Intranet so that coming into the control computer, the process parameters are transmitted via the Internet and/or Intranet, and data from the Internet and/or Intranet accept,

b) at least one client computing machine for maintenance and/or monitoring a technical installation via the Internet and/or Intranet via installed on the computing machine of the client Internet browser, through which computing machine client can connect to the Internet and/or Intranet, and

c) a number located in the technical installation of sensors and controls, which in technical installation record measured values or, respectively, taking Executive impact on the components of the technical installation, which at least one communication channel connected with the management computing machine and transmit data to the measurement or, respectively, taken from her control commands.

Such a process control system is especially University is sebaceous, as, for example, maintenance and technical supervision of installation is not limited by the location of the technical installation. Controlling computing machine through which operated technical installation, provides processed the parameters of the process via the Internet server so that it is possible to access this data via the Internet through a computer client. The computer of the client ("simple client") must have only known Internet browser, and may not be in addition any special software. In addition, it is possible that the configuration and/or parameterization of the process control system is done through a computer client, which in this case refers to the management computer. In addition, by computing the client machine to produce (remote) diagnosis as the process control system and the technical unit for access to the management computer.

The preferred way communication channel comprises a radio communication and/or connection of the tire, and/or Internet and/or Intranet.

Thus, it is possible to establish a management computing machine is not necessarily in the immediate near the STI to the technical installation, since the signals of the sensors and positioners, which are preferably installed in a technical installation, using the so-called transmission media can be transmitted over large distances (in the case of the use of the Internet virtually anywhere in the world). This radio can be contained in the Internet and/or Intranet. In this case, the management computer may be, for example, in the so-called server-Park, which is located at the service provider and operated them. In the technical installation should mainly be still only sensors and positioners, which are registered by the measuring data of the technical installation and give it the commands.

Particularly preferably, the management computing machine is operated through the operating system real-time and configured with this redundancy that at least one error that appears during the operation of the control computer of the machine, does not lead to loss of functionality of the control computer of the machine, and the operation of the control computer of the machine in such a case, errors may continue virtually without delay and without loss of data. Operating system real time can be made in the form of a universal operating system characteristically in real time.

In technical installation, as a rule, should be observed and/or controlled and/or regulated many of the critical time processes so that your computing machine should have deterministicly behavior so that certain processing operation are reliably simulated in a known predictable time interval. For this purpose it is necessary to use an operating system real-time, to avoid damage of the technical installation and/or harmful to people and the environment and optimally to produce operation of the technical installation.

For even better infringing process operation of the technical installation and/or the risk management computing machine configured optional, preferably with reliability (redundancy), relative to the "1 error". This means that at least one error that appears during the operation of the control computer of the machine, does not lead to the loss of its functionality, and in this case the error of its operation can continue virtually without delay and without loss of data. Thus guaranteed that, in particular, the critical processes within the technical installation, which must be managed managing facilitarnos machine, can be processed without interference. For example, the major components of the control computer of the machine can be provided repeatedly and in case of an error, for example, by software errors taken that the operation lasted undamaged components with virtually no delay.

Thus, such a management computing machine is mainly prone to failure. It is also possible to implement almost all of the functionality of the process control system from the control computer and to abandon the strictly hierarchical division known process control systems due to the fact that it eliminates at least the level of automation, in which as usual are special control, programmable from memory, which can be processed also a critical time for the task. As a management computing device corresponding to the invention of the process control system through the operating system real-time can handle critical time of a task and is configured failover redundant, and can therefore be abandoned, at least from the famous still of the level of automation and its special automatic devices.

P is edocfile on the control computer can be installed and ready to run, at least the first part required to manage the technical installation of the control software.

The management computer is a basic component corresponding to the invention of the process control system. In accordance with this installed on it and is ready to run, at least part of the necessary control software. If the management computer suitable for use in real-time and/or failover configured with redundancy, this first part of the control software preferably consists of those system programs, which are critical in time and noiseless operation of the technical installation. So provided that at least the management tasks of this type are processed mainly robust and reliably within a specified period of time without having to during a failover has occurred, the loss of data and existing data and/or already entered commands have to be entered again.

Preferably, the process control system includes at least one field device for monitoring and control components of the technical installation, which is the second part required to manage the technical installation and the key management software and, at least one microprocessor, whereby the second part of the control software is ready to run at the field device and the field device writes the values of the measurements from the sensors of the technical installation, pre-processes and transmits to the control computer and control commands from the control computer receives, pre-processes and forwards on positioners.

In this preferred form of execution of the invention, at least part of the signals of sensors and positioners are processed in so-called "intelligent field device. Part of the functionality corresponding to the invention of the process control system while the "unloaded" in these field devices. This means that unloaded functions are performed directly on the field device and the corresponding signals of the sensors and/or positioners are entered or displayed directly by the field device. Thus a part of the functionality of the process control system in this form of execution is implemented in field instruments. Access to such implemented in field devices functions and their service occurs preferably through a computer client. Described discharging the functions in smart field devices provides the advantage of that the management of the computing machine can be equipped with less memory and/or computing resources. Further, these functions can be performed faster because the field devices are usually found directly in the technical installation and therefore the transfer of data to the smart field device is limited as to the field unit should not be transmitted any data from the control computer, which relate to the internal implementation of control functions, as these control functions are performed directly on the field device. In addition, it is possible to use the available field device control functions even if, for example, temporarily controlling computing machine is not available.

Similar unloaded in the field devices functions relate preferably time-critical and/or essential for the safety requirements.

Particularly preferably, the control software was formed from a number of software components, which have the following properties:

a) each software component implements respectively assigned function control software,

(b) each component of the software contains the byte is the code without a preceding process, compile and download directly runnable on the target computer, for example, on the control computer and/or on one of the field devices,

(C) each software component is itself ready to run, in the sense that its execution does not require parallel execution of another software component, and

(a) each component of the software contains respectively the interface through which it can be installed, at least one connection from the first to the second component of software and/or connection to a Web server and/or connection to at least one sensor and/or the positioner, and the interfaces are compatible relative to each other so that the connection does not require any approval signals that are transmitted on this connection, and the inputs and/or outputs on the interface of the first software component are directly connected to outputs or inputs interface of the second software component.

Software components are platform-independent computing machine where they should be. CCA is built suitable to implement such a software component is a JAVA programming language with which you can generate byte code. Such byte code is ready to be executed on many platforms of computers without having to run the compiled code.

Software components are themselves preferably closed and sealed. This means that each component of the software fully implements accordingly conceived for him the function of, and access to emerging during the execution of software components internal data flows, values of internal variables, etc. software components cannot be obtained. The interfaces of software components to create new functionality, are connected also during the execution of one or more of these software components so that the configuration of the control software is possible in the "online" and rezultirase new feature is available immediately after the connection interfaces of software components without having to compile and (new) load previously connected through interfaces of software components.

Preferably, the management of vychislitel the Naya machine and the computer of the client contain the system software of the virtual machine so that that, at least, part of the software component is ready to run on the control computer, and computing the client machine without the necessity of approval for this software component with the corresponding target computing machine.

Particularly preferably, the field device contains the system software of the virtual machine so that at least part of the software component is ready for implementation at the field device without the need to adapt the components to the software.

Common functionality corresponding to the invention of the process control system is formed so software components that contain byte code, ready to run on the system virtual machine program. Due to this, the implemented software components management software is virtually platform-independent computing machine on which it must run. If software components are implemented using JAVA programming language, generated by the JAVA byte code is ready to run on the system virtual machine program, Kotor is almost available for all platforms of computers. In addition, generated by JAVA programming language applications are ready to run almost any known Web browser without having, in addition, the special environment of the program execution. On intelligent field devices preferably also installed a similar system program of the virtual machine (JAVA) so that preferably generated by means of JAVA software components and connections of the components of the software are performed directly on such field devices. Corresponding to the invention, the process control system is due to this very versatile, requires almost no special machinery and software and, in addition, is not related to the installation; only the field devices shall be installed near the technical installation or her. The field devices, which may not be implemented in the system software of the virtual machine and on which, therefore, is not ready to perform no part of the control software, entered in the above-mentioned concept of software components through the so-called "hardware modules intermediaries (Proxies)": Named apparatus is atnie modules intermediaries are also software components, collecting data from the non-intellective field devices and/or remove them and process the (raw) data so that also these non-intellective field instruments are available through the interface, respectively, the interface component of the software. Such system software of field devices, thus, through its hardware modules intermediary can be integrated in the control software as "normal" software components.

In a further preferred form of execution of the invention, at least part of the software component contains assigned respectively implemented function block message processing, and/or diagnostic unit and/or unit maintenance and surveillance, and/or the parameterization block, and these blocks are available through the interfaces of software components.

Each software component implements fully as possible one subfunction control software corresponding to the invention of the process control system. According to this form of execution of the invention, at least part of the software component contains the block of message processing, which, in particular, occur at run time to mponent software critical and/or a characteristic value of the state, related to the sales function, can be read via the interface component of the software. This critical and/or characteristic values can be mapped well as the corresponding text message, which can also be read via interface. Thus, the described functionality of message processing is an integral part of the software component and should not be implemented separately, for example, in the control computer. At least part of the software component may also contain diagnostic unit, through which you can generate diagnostic signals that can be read via the interface component of the software, which allows estimation of the instantaneous and/or expected future working situation component of the technical installation, managed by the software component. Such a diagnostic feature in this form of execution of the invention therefore should not be implemented separately, for example, in the control computer. At least part of the software component may further contain a unit maintenance and surveillance, through which the interface component of the software is transmitted signals, which is s used for maintenance functions, implemented through software component, and/or its control. If these signals may be involved, for example, the first group of signals, which covers the most important used in the graphic representation of the values of operating conditions of the function, and the second group of signals, which contains the most important commands that are executed through function. So, it is not necessary to separately prepare and/or group necessary for maintenance and monitoring is managed by the component of the software components of the technical installation of signals, for example, in the control computer. In addition, at least part of the software component may also contain a block parameter, through which the interface component of the software can be set to parameters that are necessary to perform the function. If, for example, the software component implements the algorithm of regulation, through the interface block parameterization software component can be transmitted parameter values, such as time of Isotoma, time precession, the amplification coefficients. For example, during execution of a software component, these values of the parameters may vary, algorithm regulation to optimiertes online". Therefore, you do not want, for example, in the management of a computing machine or a separate system was made available similar functionality for parameter adjustment component of the software.

The above-described additional features of message processing, handling alarms, diagnostics, maintenance, and monitoring and adjustment, which are implemented by software components in the form of their integral parts, do thereby virtually unnecessary previously known and necessary, respectively specialized systems. Instead of messaging systems and alarms, diagnostics systems, systems maintenance and monitoring, and development systems in this form of execution appear special display on software components, and each kind of display represents one of the above-mentioned functions. Types of display can be directionally scanned by accessing the interface component of the software. Preferably the access to the mentioned types of mapping software components is done through computing the client's machine, which is preferably a universal computing machine, which through technology the Internet using preferably ready-to-run JAVA Internet browser has access through the Internet or Intranet to the management computing machine and queries and renders the appropriate types of mapping software components.

Preferably, substantially all of the functionality necessary to manage and control the technical installation, integrated in the control computer.

Thus, the complexity of the process control system is reduced, in particular on the number of its subsystems.

Particularly preferably, all essential for the control and management of the technical installation process parameters, which are processed in the control computing machine assigned their own unified address; resource locator (URL) so that by computing the client machine can purposefully expose at least part of these process parameters.

Called the mechanism of targeting a uniform resource locator (URL) is, in particular, is known from the field of the Internet. By setting (Internet) address, uniform resource locator (URL) in an Internet browser, thereby it is possible purposefully to gain access to parts of the process parameters. By computing the client machine due to this by specifying address, uniform resource locator (URL) in an Internet browser of the computer client purposefully be queried via the Internet, for example, the instantaneous value is the flow rate of the pump, the instantaneous value of the engine speed, the data in the archive of the process control system or, respectively, in the technical installation.

In the following is presented in more detail two examples of execution of the invention. When shown on the drawings:

figure 1 - relevant to the invention, the process control system for operating a technical installation in a schematic diagram, and the control software is centralized in the management of the computing machine,

figure 2 corresponds to the invention of a process control system for operating a technical installation in a schematic diagram, and the control software is distributed on several systems, and

figure 3 - schematic diagram of the control software corresponding to the invention of the process control system, which is formed of several software components.

The figure 1 presents the process control system 5, which contains the control computer 7, the computing machine of the client 20 and many are located near or in the technical installation 25 sensors S and positioners A.

The management computer 7 is used to control the technical installation of 25; it also contains a Web server 9, the medium is that have a connection to the Internet 15.

Received technical installation 25 value measurements M are perceived by the sensors S and the measurement data D on the radio F with the use of a communications Protocol TCP/IP (transmission control Protocol/Internet Protocol) is transmitted to the control computer 7. In the management computer 7 implemented the control software SP corresponding to the invention of the process control system. This control software SP implements the functions necessary for the operation of the technical installation 25 so that enter and process the measurement data D and transmit control commands From Radiocommunication F. Control commands From lead in technical installation 25 to Executive influence E through positioners A.

The control computer 7 operated by operating a real-time system 11 so that the running on the management computer 7 processes are deterministic so that we know in advance and guaranteed for any time interval can be reliably produced by a particular processing operation. Thus the management computing machine 7 can be implemented also time-critical functions for which it is necessary deterministic behavior management is managing software. The management computer 7, in addition, failover configured with redundancy so that emerging from the control computer 7 error does not lead to breakdown and thus to the loss of its function. In this case, the error operation of the management computer 7 can continue virtually without delay and without loss of data. For this purpose, the management computer may repeatedly contain, for example, a substantial part of the hardware and software and, in addition, contain a control unit, which in the case of the error coordinates is still workable component parts so that there is practically no delay.

Implemented in the control computer 7 functions of the control software SP, and monitoring is essential for the maintenance of technical installations 25 process parameters PD occurs mainly through the computing machine of the client 20, which includes Internet browser 22 to bind to the Internet 15.

In the related invention to the process control system, thus, is no longer necessary that the components of the process control system was almost completely in the technical installation or at least very close to not the. The use of the Internet and/or radio the radio can be covered by the Internet for communication between the components makes it possible spatial distribution of the process control system also on a very large spatial distances. The control software SP preferably implemented in the programming language JAVA. The Internet browser 22 computing the client machine 20 is ready to run with the JAVA language so that generated by JAVA programming language application program can be run in an Internet browser 22.

The process parameters PD in the control computer 7 is supplied with address, uniform resource locator (URL) so that via the Internet 15 computing machine of the client 20 through input assigned to a particular process parameter address uniform resource locator (URL) in an Internet browser 22 may purposefully to request the desired process parameter or more desired parameters of the process. The use of the Internet 15 for communication between the management computing machine 7 and a calculating machine, the client 20 makes unnecessary the implementation of specific communication connection, such as a bus system between these computers because the Internet already provides mechanisms for the transmission, e.g. the, TCP/IP, which are relevant to the invention by the process control system. Instead Radiocommunication F or in addition to the measurement data D and/or control commands can be transmitted through the Internet 15, preferably using TCP/IP. Radio F can also be covered by the Internet.

Figure 2 shows as figure 1, corresponding to the invention the process control system 5, and in contrast to figure 1 is additionally provided by the field devices FD each respectively with its own microprocessor so that the control software SP of the process control system 5 can be distributed to the control computer 7 and one or more field devices FD.

Presented at the figure 2 field devices FD are referred to as intelligent field devices because they are - as already mentioned - have their own microprocessor, which are ready to run, at least, simpler, less complex control software control software SP, in particular control programs with time-critical and/or essential for the safety requirements.

The control software SP formed from a number of software components provided with the I 30.

On the control computer 7 and the field devices FD installed the system software of the virtual machine so that at least part of the software component 30 of the control software SP is ready to run, as on the control computer 7 and the field devices FD without having approval for this software component 30. The computer of the client 20 should also contain the system software of the virtual machine so that at least part of the software component 30 is ready to run also on computing the client machine 20 without the necessity of approval for this software component 30.

The system software of the virtual machine is a software component 30 of the control software SP single execution environment, still what platform native software you installed the system software of the virtual machine VM. Thus, it can almost randomly distribute the software components 30 of the control software SP on the system on which you installed the system software of the virtual machine. The use of intelligent field devices FD is particularly preferred is entrusted, as in most cases, these field devices are installed near or in the technical installation 25 and, thus, do not appear any delay in the execution of a command or data input from the technical installation. In addition, the described distribution management software SP on the control computer 7 and the field devices FD is advantageous, as in this case, the management computer 7 may be unloaded from the critical time and/or essential for the safety management tasks and thus can be achieved by reducing the requirements for managing a computing machine, in particular regarding the availability and deterministic processing.

Figure 3 shows an example of the control software SP, which is formed from a number of software components 30. Each software component 30 implements and consequently conceived for him the function. Next, each software component 30 contains the byte code that is ready to run directly without pre-process, compile and download to the target computer, for example on the control computer and/or the field device FD. Each software component on which especiany is independently ready for execution in the sense of that its implementation does not require parallel execution of another software component. Presented in figure 3 as an example of the control software SP is implemented by connecting the three software components 30. For this purpose, the interfaces of the software components 30 are connected so that the output OUT interface is shown in figure 3 to the right software component is connected to the IN input of the interface shown in figure 3 on the left component of the software. Exit OUT of the interface shown in figure 3 to the left of a software component is connected to the IN input is shown in figure 3 in the center of the component software. Rezultirase by compounds of the General function of the control software SP can be used through the entranceand exit. May also be many control programs that are executed as the control software SP. These control programs may then be exchanged between the data through named inputs and outputsor.

Each software component 30 does not contain the next block processing the message AV, diagnostic unit DI unit maintenance and monitoring of EXPLOSIVES and block parameter RE.

Through these blocks in addition to implemented in software components the control functions are implemented corresponding to the message-handling function, diagnostic functions, maintenance functions, and monitoring and function parameterization. This means that each software component 30 is closed in itself not only in a functional sense, but also taking into account additional features of message processing, diagnostics, maintenance, and monitoring and adjustment. These functions should not be implemented in separate specialized systems, as it is usual in the known process control systems, and are available even in the smallest modules of the control software SP, software components 30. The combination of signals called the blocks of the software component 30, respectively, in the unit of a higher level,,andprovides then in order implemented for each individual component of the software blocks for connecting software components both the biscuits so, this connection works out and can be used as a separate software component 30.

Diagnostic DI ormay, furthermore, to control the function and/or communication software component 30, as well as their own values so that they can be performed quasi automatically controlling and independently. As already mentioned, the software components 30 are respectively directly ready to run, without the need for this preliminary compilation process and load it later. This is true also for the readiness of the functions that are composed of at least two software components; software components 30 during configuration functions are directly instanziierung. Through diagnostic blockor, respectively, the DI already during configuration of the software components 30 can be automatically performed numerous diagnostic and/or control processes without the need for testing as a separate unit or separate regulatory program similar relating to the functions of the software to ensure the Oia 30 diagnostic and/or control routines.

Next, the software component 30 can be formed by the graphics module and visualization (front panel), which is given in accordance component technical installation and implements a graphical representation of the relative maintenance and surveillance (image installation components with the actual values of the process parameters, and means for entering commands to control).

Another software component 30, which, for example, contains a control program for an installation component, can then directly through its interface to interact with the interface of the front panel. The relationship between the software component 30 and is made in the form of a front panel of a software component, in particular, when using the Internet as a communication channel, preferably first group, i.e. the exchange of data between multiple software components implemented in such a way that initially subject to exchange the data are transmitted in the form of a data packet contained in the data packet, the data in the destination again separated into the respective components of the target software. The exchange of data between software components 30 each execution may occur on what redstem described grouping and subsequent separation of the data. The exchange of data you can produce cyclically or controlled events; thus, certain data can be sent or through hard times, or only when there is a triggering event, such as changing the operational state. Particularly preferably, the communication is carried out in the form of data transfer between software components in a mixed form between cyclic or running event.

For optimization of the processing implemented by the software component 30 preferably functions perform only those software components 30, which after their recent run has changed appropriate, in particular, applied at the inputsand/or IN the input signals. Otherwise, you can re-apply to already-defined output signals, which are applied, in particular, the outputsand/or OUT. Due to this, the necessary processing time function that is implemented through component software 30 is reduced.

Besides the already mentioned forms of execution of the software component 30 can be formed through archival system programs, in which, in particular, are remembered and respondents parameters about the ECCA PD, or due to system programs alarm, whereby, in particular, it is possible to detect the critical value, at least part of process parameters PD and to indicate in a suitable form, for example, via a text message on the display screen and/or acoustic signal.

1. A method of operating a technical installation (25) with a number of field devices (FD) for monitoring and control components of the technical installation (25), at least one local computing machine (7) for monitoring and control of technical installations (25) and at least one communication channel on which the field devices (FD) associated with the management computing machine (7)and field devices (FD) is passed to the control computer (7) obtained in the technical installation (25) measurement data (D), which describe the operating status of at least one of the components, and take control of the team (S) from the control computer, and the measurement data (D) and control commands (S) between at least part of the field devices and the control computer of the machine is passed over the communications channel using the communications Protocol is TCP/IP (transmission control Protocol/Internet Protocol) and the management computer (7) contains a Web server (9) on the I Internet connection (15) and/or Intranet and maintenance functions and/or monitoring a technical installation (25), implemented in the control computer (7) by means of software, performing by the computing machine of the client (20), which contains an Internet browser (22) and connected to the Internet (15) and/or Intranet through a web-based access to the management computer (7), characterized in that the functions of maintenance and/or monitoring a technical installation consists of software components (30), which contain directly runnable program code and at least one of the functions of maintenance and/or monitoring a technical installation, make and carry out from at least two software components (30) without the need for pre-process, compile and download this maintenance functions and/or observations on the computing machine on which the function is executed.

2. The method according to claim 1, wherein the communication channel includes the Internet (15), and/or an Intranet, and/or radio (F).

3. The method according to claim 1 or 2, characterized in that basically all process parameters (PD) technical installations (25), which handle the management computer (7), respectively assign the address of a uniform resource locator (URL).

4. the control system process (5) operation of the technical installation (25), containing the following components:

a) at least one management computer (7) for monitoring and control of technical installations (25), which contains a Web server (9), through which is established a connection to the Internet (15) and/or the Intranet so that the output from the control computing machine process parameters (PD) are transmitted via the Internet (15) and/or Intranet, and data from the Internet and/or Intranet are taken,

b) at least one client computing machine (20) for maintenance and/or monitoring a technical installation via the Internet (15) and/or Intranet via installed on the computing machine of the client Internet browser (22)through which the computer of the client (20) is connected to the Internet (15) and/or Intranet, and

(C) a number located in the technical installation of the sensors (S) and controls (A), which in the technical setup register value measurement (M) or, respectively, taking Executive action (S) to components of the technical installation (25)that at least one communication channel connected with the management computing machine and transmit data dimensions (D) or, respectively, taken from her control command is s (C), moreover, the management computer installed and is doable, at least the first part required to manage the technical installation of the control software (SP), characterized in that the control software (SP) is formed from a number of software components (30), which have the following properties:

a) each software component (30) is implementing its assigned function control software (SP),

b) each software component (30) contains the byte code directly without a preceding process, compile, and load is ready to run on the target computer,

(c) each software component is itself ready to run in the sense that its execution does not require parallel execution of other software components, each software component (30) contains respectively the interface through which is established at least one connection from the first to the second component of the software, and/or a connection to a Web server (9), and/or connection to at least one sensor (S) and/or the positioner (A), and interfaces ablauts is relatively compatible each other, what connection does not require any coordination of signals that pass through this connection, and the inputs (IN) and/or outputs (OUT) interface of the first software component are directly connected to the outputs (OUT) or, respectively, the inputs (IN) interface of the second software component.

5. The process control system (5) according to claim 4, wherein the communication channel comprises a radio (F), and/or the compound of the tire, and/or the Internet (15), and/or the network.

6. The process control system (5) according to claim 4 or 5, characterized in that the measurement data and/or control commands transmitted over the communication channel via TCP/IP (transmission control Protocol/Internet Protocol).

7. The process control system (5) of claim 4 or 5, characterized in that the controlling computing machine is operated through the operating system real-time (11) and configured with this redundancy that at least one error occurring during operation of the control computer of the machine (7), does not lead to loss of functionality of the control computer of the machine (7) and the operation of the control computer of the machine (7) in this case, the error is still virtually without delay and without loss of data.

8. System management is the process of (5) according to claim 4 or 5, characterized in that the process control system (5) contains at least one field device (FD) for monitoring and control components of the technical installation (25), which contains the second part required to manage the technical installation of the control software (SP) and at least one microprocessor, whereby the second part of the control software is workable on a field device (FD)and field device (FD) records received from the sensor values of measurements (M) of the technical installation, pre-processes and transmits to the control computing machine and takes, pre-processes and passes on positioners control commands (C) from the control computing machinery (7).

9. The process control system (5) according to claim 4 or 5, characterized in that the control computer (7) and the computer of the client (20) contain the system software of the virtual machine (VM) so that at least part of the software component (30) is ready to run on the control computer (7)and computing the client machine (20) without the need to align for this software component (30).

10. The process control system (5) according to any one of claim 4 or 5, atricauda is the, that, at least, part of the software component (30) contains respectively assigned sales function block processing messages (AV), and/or diagnostic block (DI), and/or unit maintenance and monitoring (BB), and/or block parameter (RE) and these blocks are accessible through the interface software components.

11. The process control system (5) according to claim 4 or 5, characterized in that basically everything you need to manage and control the technical set-up (25) functionality integrated in the management computer (7).

12. The process control system (5) according to claim 4 or 5, characterized in that all essential for monitoring and control of technical installations (25) the process parameters (PD), which handle the management computer (7), respectively, have been assigned a unique address, a uniform resource locator (URL), so by computing the client machine (20) is purposefully feasible access to at least part of these process parameters (PD).

13. The process control system (5) according to claim 4 or 5, characterized in that the process control system (5) contains at least one field device (FD) for monitoring and control components of the technical installation (25), which contains the second part of the required supraline technical installation management software (SP) and at least one microprocessor, whereby the second part of the control software is workable on a field device (FD)and field device (FD) records received from the sensor values of measurements (M) of the technical installation, pre-processes and transmits to the control computing machine and accepts, preprocesses and sends positioners control commands (C) from the control computer (7), and the management computer (7) and the computer of the client (20) contain the system software of the virtual machine (VM), so that at least, part of the software component (30) is ready to run on the control computer (7)and computing the client machine (20) without the need to align for this software component (30), with a field device (FD) contains the system software of the virtual machine (VM), so that at least part of the software component (30) is ready to perform well on the field device (FD) without having to negotiate for this software component (30).



 

Same patents:

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2 cl, 1 dwg

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