CN108847979A - A kind of adaptive configuration system and method based on SCADA - Google Patents

Abstract

The invention discloses a SCADA-based self-adaptive configuration system and method, including a data acquisition component and a SCADA configuration system, and the data acquisition component automatically discovers substation equipment on the field bus according to the standard bus communication protocol (EIP) At the same time, the communication link with the sub-station equipment is automatically established. The data acquisition component runs in the IO service station of the SCADA configuration system in the FEP-driven service mode, and the connection between the SCADA configuration system and the sub-station equipment on the bus is established through the IO service station. The communication link between, the present invention can be adapted to the flexible field application by configuring the common model, avoids frequent modification and downloading, thus realizes the integration of diagram, model and library, maintains a high degree of consistency, and at the same time Realize the traceability of inspection work, convenient management, intelligent analysis, and easy to quickly understand the health status of equipment or facilities; realize self-description and self-connection of equipment, and achieve system self-discovery, self-configuration, and "zero" configuration.

Description

A SCADA-based adaptive configuration system and method

technical field

The invention relates to the field of data acquisition and monitoring control systems, in particular to a SCADA-based self-adaptive configuration system and method.

Background technique

Traditional SCADA software will involve configuration and download operations in the actual application process. When the deployment structure changes frequently, such as "equipment layout", "equipment type and quantity", and "management structure", frequent modification and corresponding Download and download the engineering data to adapt to the new environment on site, especially in some production fields, the addition, removal, and movement of external equipment are very frequent, so it is necessary to repeat the process of configuration and download. On the one hand, using extremely Inflexible, on the other hand, the operation process is prone to errors, which brings a lot of pressure and workload to the engineers who use SCADA configuration, so it is necessary to quickly adapt to field deployment changes, low workload, high automation Configuration system, when external equipment is added or removed, the system can automatically detect, identify and configure system resources, without reconfiguration, or only a small amount of configuration is required to complete equipment maintenance, such as in mines In the process of construction, production and operation and maintenance of the automation system, the system can actively discover newly installed or removed equipment (such as mobile substations) on the production site, and dynamically assign equipment addresses according to the self-describing configuration information sent by the equipment, and automatically identify the equipment to be sent Real-time data such as telemetry and remote signaling, and automatically update the topology map on the interface:

Contents of the invention

In order to overcome the shortcomings of the prior art solutions, the present invention provides a SCADA-based self-adaptive configuration system and method, which can effectively solve the problems raised by the background technology.

The technical solution adopted by the present invention to solve its technical problems is:

A kind of adaptive configuration system based on SCADA, it is characterized in that,

Including a data acquisition component and a SCADA configuration system, the data acquisition component automatically discovers the substation equipment on the field bus according to the standard bus communication protocol (EIP), and automatically establishes a communication link with the substation equipment at the same time. The components run on the IO service station of the SCADA configuration system in FEP-driven service mode, and the communication link between the SCADA configuration system and the substation devices on the bus is established through the IO service station.

As a preferred technical solution of the present invention, the communication link includes a monitoring network and several EIP networks, the monitoring network and the IP network are connected through a gateway, and all EIP networks are established on the physical layer through repeaters The network is interconnected, and the data signal of the EIP network is resent or forwarded to the SCADA configuration system. The substation equipment includes the operation station, communication station, service station and engineer station established on the monitoring network.

As a preferred technical solution of the present invention, the SCADA configuration system includes a database configuration tool, a real-time service component, an HMI graphic configuration tool and an EIP driver, and the database configuration tool is used to pair It can also import the EDS file of the sub-station equipment to automatically build a real-time library object model for it, and define the data points and the IO data channel of the sub-station equipment; the real-time service component is used to obtain from the IO service station The list of physical equipment information in the current network, automatically create or delete the corresponding equipment instance according to the type, and establish the connection path between the data point and the actual equipment IO; the HMI graphic configuration tool is used to establish the icon library of the substation equipment type, The instantiation feature information of the Tufu library object is defined, and the data acquisition component establishes a connection with the SCADA configuration system through the EIP driver.

As a preferred technical solution of the present invention, the database configuration tool includes an offline object management plug-in, and the offline object management plug-in includes an EDS parser for parsing the EDS file of the substation device, and an EDS parser for managing the real-time library object model Template management module.

As a preferred technical solution of the present invention, the real-time service component includes an online object management plug-in, and the online object management plug-in includes an instance of a corresponding model object for creating and managing a real-time library object model, and at the same time binds the instance to the physical device There are three functional modules: instance management module, topology management module and data processing module, which can be fixed or unbound.

As a preferred technical solution of the present invention, the HMI graphic configuration tool includes a plug-and-play HMI component, and the plug-and-play HMI component includes a symbol library for establishing a substation device type and defines an instance of a library object The feature information graphic element management module and the configuration interface module are used to display the data model on the interface side at runtime, and then realize the automatic association from the device layer, data layer to the display layer.

The present invention has also designed a kind of adaptive configuration method based on SCADA in addition, comprises the steps:

Step 100, establish communication links between the IO service station of the SCADA system and all substation devices on the field bus, and obtain all substation devices and their basic information on the current field bus;

Step 200, using a database configuration tool to establish a real-time library object model consistent with the device model;

Step 300, online management of the real-time library object model, start the real-time service component, automatically load the data object dynamic management component, obtain the current physical device information list in the network from the IO service station, and automatically create or delete the corresponding device instance according to the type ;

Step 400, establishing the HIM icon library of the substation equipment type, defining the instantiation feature information of the HIM library object, and configuring the flow chart where the substation equipment is located.

As a preferred technical solution of the present invention, the communication link in the step 100 is to configure the IP address of the data acquisition component in the physical network based on the communication component of the standard bus communication protocol (EIP), and run in the mode of FEP driving service In the IO service station of the SCADA configuration system, after starting the IO service, it can automatically identify all sub-station devices in the local area network to which it belongs.

As a preferred technical solution of the present invention, the database configuration tool in the step 200 is to model the equipment object according to the EIP modeling specification, or import the EDS file of the equipment to automatically build the database object model for it, define the data points and The channel for the IO data of the actual device.

As a preferred technical solution of the present invention, the step 400 also includes:

After starting the online program of the HMI graphic configuration tool, open the flow chart, the HMI icon object dynamic management component is responsible for information interaction with the real-time library, and dynamically obtains the instance information of all EIP types in the current real-time library, and the existing Compare the icon information of the device, dynamically create or delete the icon elements corresponding to the equipment in the flow chart, and support the manual online operation of moving, modifying, and deleting the created icons, and the modified results are saved and can be passed through the system The online data publishing mechanism synchronizes the modified information to each site in the domain, and the last edited graphic page will still be loaded after the next startup.

Compared with prior art, the beneficial effect of the present invention is:

(1) The present invention can be adapted to flexible and changeable on-site applications by configuring a general-purpose model, avoiding frequent modification and downloading, thereby realizing the integration of diagrams, models, and libraries, maintaining a high degree of consistency, and realizing patrolling Traceability of inspection work, convenient management, intelligent analysis, easy to quickly understand the health status of equipment or facilities;

(2) Based on the standard communication protocol, the present invention solves the automatic connection of equipment to the network, realizes self-description and self-connection of equipment, realizes self-discovery, self-configuration, and "zero" configuration of the system, and can be widely used in electric power, railway, petroleum Petrochemical, mining and other industrial production fields.

Description of drawings

Fig. 1 is a system operation deployment structure diagram of the present invention;

Fig. 2 is a system functional block diagram of the present invention;

Fig. 3 is a block flow diagram of the IO data acquisition component of the present invention;

Fig. 4 is a flow chart of database modeling of the present invention;

Fig. 5 is a block diagram of the database object online management flow chart of the present invention;

Fig. 6 is a flow chart showing the HMI component of the present invention;

Fig. 7 is a structural diagram of a device model in a specific embodiment of the present invention;

Fig. 8 is a schematic diagram of a device serial number and an example of a bound device in a specific embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Fig. 1 to Fig. 6, the present invention provides a kind of self-adaptive configuration system based on SCADA, it is characterized in that, comprises data acquisition component, and SCADA configuration system, described data acquisition component follows standard bus communication protocol ( EIP) automatically discovers the substation equipment on the field bus, and automatically establishes a communication link with the substation equipment at the same time.

In this embodiment, the communication link is a communication component based on the standard bus communication protocol (EIP), referred to as the EIP communication component for short. In this embodiment, the communication link based on the EIP communication component is collectively referred to as EIP equipment, which includes substation equipment and a master station device, the master station device plays a function of data collection in the system, the above-mentioned data collection component is an EIP master station device in this embodiment, and the EIP master station device in the physical network is configured through the EIP communication component The IO service station of the SCADA configuration system runs in the form of FEP-driven service. After the IO service station is started, it can automatically identify all EIP-type substation devices in the local area network to which it belongs, and establish communication links with these devices.

In this embodiment, FEP (Front End Processor) is a dynamic scheduling model based on cluster servers. This model proposes the concept of a secondary front-end machine. The front-end machine assigns the tasks of dynamic scheduling to corresponding The secondary front-end machine processing, thereby reducing the load of the front-end machine, alleviating the bottleneck of the server to a certain extent, and enhancing the scalability of the cluster server.

In a communication network, the front-end processor is generally located before the host, and it mainly undertakes communication tasks to reduce the burden on the host. If the data entered by the communication line into the front-end processor may have errors or the data code format does not match, etc., it must be resolved by the front-end processor before the data is transmitted to the host, and the host only does data processing.

There are programmable and non-programmable front-end processors. The functions of the non-programmable front-end processor are only realized by hardware, and once finalized, the communication functions it possesses are completely determined. Because the hardware circuit of this type of front-end processor cannot be changed easily, it cannot adapt when the network changes or the terminal increases. The programmable front-end processor is composed of hardware and software, and its communication function can be changed through programming control to adapt to changes in the network system. Obviously, the use of this type of front-end processor is more flexible and convenient.

In large-scale communication network systems, front-end processors must be equipped. Generally, a front-end processor is a computer, and its main functions are: segmentation and reorganization of characters or data, data code conversion between terminals, error detection and recovery, providing protocol support for different terminals, and communication between terminals. Data exchange between users, polling terminals, automatic answering in the public telephone network, editing statistical data on the Internet, etc.

The communication link (EIP communication component) includes a monitoring network and several EIP networks. The monitoring network and the IP network are connected through a gateway. All EIP networks are interconnected on the physical layer through repeaters, and the EIP The data signal of the network is resent or forwarded to the SCADA configuration system, and the EIP substation equipment includes the operation station, communication station, service station and engineer station established on the monitoring network.

The SCADA configuration system includes a database configuration tool, a real-time service component, an HMI graphic configuration tool and an EIP driver, and the database configuration tool is used to model substation equipment objects according to the EIP modeling specification, and can also import The EDS file of the substation equipment automatically builds a real-time library object model for it, defining data points and the IO data channel of the substation equipment; the real-time service component is used to obtain a list of physical equipment information in the current network from the IO service station, according to The type automatically creates or deletes the corresponding device instance, and establishes the connection path between the data point and the actual device IO; the HMI graphic configuration tool is used to establish the symbol library of the substation device type, and define the instantiation feature information of the library object , the data acquisition component establishes a connection with the SCADA configuration system through the EIP driver.

In this embodiment, the EIP driver is the driving mode of the FEP service, and its driver framework objects specifically include: device management objects, message routing objects, Ethernet interface objects, connection management objects, UCMM objects, application objects, and notification management objects.

In this embodiment, the real-time service component also establishes contact with the HMI graphic configuration tool through functions such as history service, alarm service, and FEP drive service.

The database configuration tool includes an offline object management plug-in, and the offline object management plug-in includes an EDS resolver for analyzing the EDS file of the substation equipment, and a template management module for managing the real-time library object model; the real-time service component includes Online object management plug-in, the online object management plug-in includes the instance management module, topology management module and data processing module for creating and managing the corresponding model object instance of the real-time library object model, and binding or unbinding the instance and the physical device at the same time Three functional modules; the HMI graphic configuration tool includes a plug-and-play HMI component, and the plug-and-play HMI component includes a symbol library for establishing a substation device type and defines an instantiation feature information graphic element of a library object The management module and the configuration interface module are used to display the data model on the interface side at runtime, and then realize the automatic association from the device layer, data layer to the display layer.

In this embodiment,

The SCADA configuration system can achieve self-adaptive configuration according to the continuous changes of the site environment, without frequent project modification and downloading, reducing configuration workload and error probability.

The SCADA-based adaptive configuration method specifically includes the following steps:

Step 100, establish communication links between the IO service station of the SCADA system and all substation devices on the field bus, and obtain all substation devices and their basic information on the current field bus;

The communication link is based on the communication component of the standard bus communication protocol (EIP) to configure the IP address of the data acquisition component in the physical network. It runs in the IO service station of the SCADA configuration system in the form of FEP-driven service. After starting the IO service, It can automatically identify all the substation devices in the LAN to which it belongs.

Step 200, use the database configuration tool to establish a real-time library object model consistent with the device model; model the device object according to the EIP modeling specification, or import the EDS file of the device to automatically build a database object model for it, define data points and actual The channel of the IO data of the device;

Step 300, online management of the real-time library object model, start the real-time service component, automatically load the data object dynamic management component, obtain the current physical device information list in the network from the IO service station, and automatically create or delete the corresponding device instance according to the type ;

Step 400, establishing the HIM icon library of the substation equipment type, defining the instantiation feature information of the HIM library object, and configuring the flow chart where the substation equipment is located.

After starting the online program of the HMI graphic configuration tool, open the flow chart, the HMI icon object dynamic management component is responsible for information interaction with the real-time library, and dynamically obtains the instance information of all EIP types in the current real-time library, and the existing Compare the icon information of the device, dynamically create or delete the icon elements corresponding to the equipment in the flow chart, and support the manual online operation of moving, modifying, and deleting the created icons, and the modified results are saved and can be passed through the system The online data publishing mechanism synchronizes the modified information to each site in the domain, and the last edited graphic page will still be loaded after the next startup.

The common model configured by this method can be adapted to flexible and changeable on-site applications, avoiding frequent modification and downloading; it realizes the integration of diagrams, models and libraries, and maintains a high degree of consistency; it also realizes the traceability of inspection work Features, convenient management, intelligent analysis, easy to quickly understand the health status of equipment or facilities; use the standard communication protocol to solve the automatic connection of equipment to the network, realize self-description and self-connection of equipment, and achieve system self-discovery, self-configuration, " Zero" configuration; it can be widely used in various industrial production fields such as electric power, railway, petroleum and petrochemical, and mining.

The configuration system and method are further elaborated below through specific examples;

1. First, implement the IO data acquisition component: implement the FEP EIP driver, start the timer and periodically send the ListIdentity command to discover and obtain all EIP devices and their basic information in the current network segment, such as device ID, serial number, IP address, etc. , upload the device list information to the real-time library, send the RegisterSession command to the identified device in turn, establish a connection with the device, save the SESSION ID, receive the read or write command sent by the real-time library, parse the command, and send it to the specified device The SendRRData command receives the response from the device, parses the response message, packs the data and sends it back to the real-time library. The EIP driver and the real-time library use the specified data channel for information interaction. The information format is XML data packets, which are divided into two steps:

Step 1: Upload device information channel, FEP—real-time library, information format:

Step 2: Receive command information channel, real-time library ——→ FEP, information format:

③Upload device response information, FEP——→real-time library, information format:

2. Database modeling: use the class library configuration tool to establish a real-time library device model consistent with the device model, define the device of the EIP_Device type, and define two sub-objects of the EIP_Device device class: IdentityObj and AssembleObject respectively correspond to the identification objects in the EIP device And component (I/O collection) object, define the sub-object of IdentityObj, the type is SI, respectively save the serial number, product model, device type, version number, status, IP address, manufacturer number, device name of the device, define AssembleObj The sub-object of , whose type is AI, corresponds to an IO data point of the EIP device, and the structure of the device model is shown in Figure 7.

3: Online management of database objects: the real-time library plug-in is responsible for dynamically managing preset instances (dynamic binding and contact binding), constructing request messages, parsing response messages, and providing access interfaces for HMI components. The real-time library plug-ins serve in the real-time library It is loaded at runtime, obtains the list of devices in the current network through the data channel, obtains the serial number of the device, and then manages with the corresponding device instance object, including: writing the IP address and serial number information to the device instance when binding, and initializing at the same time Other related fields of the device instance; when unbinding, clear the IP address and serial number information of the instance; maintain the instance mapping table inside the program; store the device serial number and the bound device instance number in hot data, so that the The next time the device goes online, it will continue to be bound to the instance object, as shown in Figure 8.

Hot data format for storage devices and bound instances:

The process of obtaining device IO data: obtain the currently effective device instance number and its IP address; obtain the Assemble type object under the instance, and obtain its instance number; obtain all AI point objects under the Assemble type object, and obtain each object at the same time The number and offset address of the EIP object; splicing the EIP object access path according to the obtained object information; periodically sending the read command to the FEP, and passing in the device IP address, command number, session ID, and access path; receiving the return message from the data receiving channel, through The device IP address, command number, session ID, access path, and data value information write values to the specified real-time library point.

The process of writing device IO data: the HMI component calls the real-time library interface, and transmits the call name and value that need to be set to the real-time library plug-in; the real-time library plug-in finds the corresponding device instance information according to the call name; stitches the EIP object access path according to the instance information; Send a write command to FEP, and pass in the device IP address, command number, session ID, access path, and write value.

4. HMI online management plug-in: provided in the form of ocx control, use the graphical configuration tool to insert the component object; periodically request the current valid device instance object PID from the real-time library; traverse the Identity object and Assemble object under the device instance object; dynamically Draw device primitives; provide parameter windows and parameter panels, call the real-time library interface to obtain data point values or write values to the real-time library; perform data saving and synchronization in the background.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. a kind of adaptive configuration system based on SCADA, which is characterized in that

Including data acquisition components and SCADA configuration system, the data acquisition components are according to STD bus communication protocol (EIP) substation device on fieldbus is found automatically, while the automatic communication link established with substation device, the data are adopted Collection component runs on the I/O service station of SCADA configuration system with FEP driving method of service, establishes SCADA group by I/O service station Communication link in state system and bus between substation device.

2. a kind of adaptive configuration system based on SCADA according to claim 1, it is characterised in that：The communication chain Road includes monitoring network and several EIP networks, is connected between monitoring network and the IP network by gateway, all EIP nets Network sets up network interconnection on a physical layer by repeater, and the data-signal of EIP network is retransmitted or is forwarded to SCADA configuration system, the substation device include active station, operating office, service station and the engineer established on monitoring network It stands.

3. a kind of adaptive configuration system based on SCADA according to claim 1, it is characterised in that：The SCADA group State system includes database con-figuration tool, real time service component, HMI graphic configuration tool and EIP driving, the database con-figuration For modeling according to EIP modeling specification to substation device object, the EDS file also into substation device is tool automatically It constructs real-time database object model, defines the I/O data channel of data point and substation device；The real time service component be used for from The entity device information list in current network is obtained in I/O service station, and it is real that corresponding equipment is automatically created or deleted according to type Example, establishes the connecting path of data point Yu physical device IO；The HMI graphic configuration tool is for establishing substation device type Icon library, defines the instantiated feature information of figure government repository object, and the data acquisition components pass through EIP driving and SCADA configuration System establishes connection.

4. a kind of adaptive configuration system based on SCADA according to claim 3, it is characterised in that：The database Configuration instrument includes offline objects management plug-in unit, and it includes parsing to the EDS file of sub- station equipment that offline objects, which manage plug-in unit, EDS resolver, and the template management module for managing real-time database object model.

5. a kind of adaptive configuration system based on SCADA according to claim 3, it is characterised in that：The real-time clothes Business component is included in line object management plug-in unit, and online Object Management group plug-in unit includes for creating and managing real-time database object model The example of corresponding model object, at the same example and entity device are bound or are unbinded instance management module, Topology Management Three functional modules of module and data processing module.

6. a kind of adaptive configuration system based on SCADA according to claim 3, it is characterised in that：The HMI figure Configuration instrument includes plug and play HMI component, and plug-and-play HMI component includes the icon library for establishing substation device type and determines The instantiated feature information pel management module of adopted figure government repository object and at runtime interface edge to data model carry out It shows, and then realizes the configuration interface module from mechanical floor, data Layer to presentation layer auto-associating.

7. a kind of adaptive configuration method based on SCADA, it is characterised in that：Include the following steps：

The communication link of all substation devices, acquisition are worked as on step 100, the I/O service station for establishing SCADA system and fieldbus All substation devices and its essential information on preceding fieldbus；

Step 200 is established and the consistent real-time database object model of device model using database con-figuration tool；

The online management of step 300, real-time database object model, starts real time service component, and automatic loaded data object dynamic is managed Component is managed, from the entity device information list obtained in I/O service station in current network, and automatically creates or deletes according to type Corresponding device instance；

Step 400, the HIM icon library for establishing substation device type define the instantiated feature information of HIM figure government repository object, group Flow chart where state substation device.

8. a kind of adaptive configuration method based on SCADA according to claim 3, it is characterised in that：The step 100 Middle communication link is to configure the data acquisition components in physical network based on the communication component of STD bus communication protocol (EIP) IP address, run on the I/O service station of SCADA configuration system in a manner of FEP driving service, can be automatic after starting I/O service All substation devices in local area network belonging to identifying.

9. a kind of adaptive configuration method based on SCADA according to claim 3, it is characterised in that：The step 200 Middle database con-figuration tool is to model according to EIP modeling specification to device object, or the EDS file of importing equipment is automatically It constructs database object model, defines the channel of the I/O data of data point and physical device.

10. a kind of adaptive configuration method based on SCADA according to claim 3, it is characterised in that：The step 400 further include：

Start HMI graphic configuration tool after sequence of threads, open flow chart, HMI icon object dynamic management assembly be responsible for Real-time database carries out information exchange, in the example information of all EIP types in the current real-time database of dynamic acquisition, and local flow chart Some icon information is compared, and dynamic creates in flow charts or the corresponding icon element of sweep equipment, and supports to exist manually Line move to the icon created, be modified, delete operation, and modified result saves and can pass through the online data of system Each website in modified synchronizing information to domain is still loaded last time edited figure after starting next time by issue mechanism The page.