CN101393452A - System and method for data communication between application software and distributed control system - Google Patents

System and method for data communication between application software and distributed control system Download PDF

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Publication number
CN101393452A
CN101393452A CNA2007102017257A CN200710201725A CN101393452A CN 101393452 A CN101393452 A CN 101393452A CN A2007102017257 A CNA2007102017257 A CN A2007102017257A CN 200710201725 A CN200710201725 A CN 200710201725A CN 101393452 A CN101393452 A CN 101393452A
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China
Prior art keywords
dcs
application software
data
main frame
sent
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CNA2007102017257A
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CN101393452B (en
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杨益
张志勇
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Priority to CN2007102017257A priority Critical patent/CN101393452B/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The invention provides a method for exchanging data of application software and a distributed control system, which comprises the following steps: monitoring the network connection state between a host and the distributed control system; sending a data transmission request to the distributed control system according to the monitored result; sending a data testing packet to the distributed control system to test whether communication connection between the distributed control system and the host is normal when the distributed control system receives the data transmission request; translating an instruction sent by the application software through a data access interface into a readable format of the distributed control system and sending the instruction to the distributed control system; receiving the result of the instruction processed by the distributed control system, translating the result into a readable format of the application software and sending the format to the application software.

Description

Application software and dcs are carried out the system and method for exchanges data
Technical field
The present invention relates to a kind of application software and dcs and carry out the system and method for exchanges data.
Background technology
Dcs (DCS:Distributed Control System) is occupied leading position as a kind of proven technique at current industrial control field.The DCS system can be divided into process control level, control and management level, three classifications of production management level.The ground floor process control level mainly constitutes basic controlling to field apparatus with program logic controller (PLC:Programmable Logical Controller) or I/O module by fieldbus; The second layer is the control and management level, promptly links to each other with PLC or I/O module by industry control network with supervisory control comuter, realizes the ipc monitor to flow sheet equipment; The 3rd layer for the production administration and supervision authorities, promptly with file server, supervisory computer extremely industrial local network link to each other with supervisory control comuter, read the production management on field data realization upper strata at any time.The formation of this system, unreliable for certain part, thereby make total system is constituted very low that the probability of infringement falls, constantly moving to maturity of various software and hardware technologies in addition greatly improved the reliability of total system, the DCS system provides from the scene to equipment, slave unit arrives the workshop, from the workshop to the factory, and whole information channel from the factory to the group of enterprises, therefore, the utilization of the demanding factory of automaticity is very extensive.
Because the DCS system unified standard of neither one in the industry cycle, some DCS system can not directly link to each other with the application software (as: ERP system) of enterprise, thereby can not carry out application software and dcs is carried out exchanges data.Can only check by this DCS system if will check data on-the-spot in this DCS system, can not integrate intercommunication between the system of factory, reduce the efficient of factory's operation.
Summary of the invention
In view of above content, be necessary to provide a kind of application software and dcs to carry out the system of exchanges data, it can be used as the bridge of data transmission between application software and the DCS system, realizes that application software and DCS carry out exchanges data.
In view of above content, also be necessary to provide a kind of application software and dcs to carry out the method for exchanges data, it can be used as the bridge of data transmission between application software and the DCS system, and the realization application software is carried out exchanges data to DCS.
A kind of application software and dcs are carried out the system of exchanges data, comprise main frame, and described main frame comprises: monitor module, be used to monitor the network connection state between main frame and the dcs; Sending module is used for according to monitored result data transfer request being sent to dcs; Connect test module, be used for after dcs receives described data transfer request, the data test bag is sent to dcs test it and whether normally be connected with communication between the main frame; Transmit translation module, be used for and be connected just often with the communication between the dcs, the instruction request that application software is sent by data access interface is translated into the form that distribution formula control system can read, and the result that will translate sends to dcs, receive dcs afterwards and handle the result of described instruction, it is translated into the form that application software can read, and send to application software.
A kind of application software and dcs are carried out the method for exchanges data, and this method comprises the steps: to monitor the network connection state between main frame and the dcs; According to monitored result data transfer request is sent to dcs; After dcs receives described data transfer request, the data test bag is sent to dcs test it and whether normally be connected with communication between the main frame; When main frame is connected just often with communication between the dcs, the form that the instruction translation that application software is sent by data access interface becomes dcs can read, and described instruction sent to dcs; Receive dcs and handle the result of described instruction, it is translated into the form that application software can read, send to application software.
Compared to prior art, described application software and dcs are carried out the system and method for exchanges data, it can be used as the bridge of communication between application software and the DCS system, the realization application software is operated DCS, and realized integration intercommunication between the system of factory having improved the efficient of factory's operation.
Description of drawings
Fig. 1 is the hardware structure figure that application software of the present invention and dcs are carried out system's preferred embodiment of exchanges data.
Fig. 2 is the functional block diagram of main frame shown in Fig. 1.
Fig. 3 is the process flow diagram that application software of the present invention and dcs are carried out the method preferred embodiment of exchanges data.
Embodiment
As shown in Figure 1, be the system architecture diagram that application software of the present invention and dcs are carried out system's preferred embodiment of exchanges data.This system mainly comprises display 1, main frame 2, keyboard 3, mouse 4, network 5 and dcs 6.Described main frame 2 links to each other with dcs 6 by described network 5.Described main frame 2 also is equipped with application software.Described application software is meant on the infotech basis, with systematized management thought, for business decision layer and employee provide the management platform of decision-making operation means, for example: ERP (Enterprise Resource Planning) system.Described dcs 6 (DCS:Distributed Control System) is meant one, and what be made up of process control level and process monitoring level is the multi-level computer system of tie with the communication network, combine computing machine, 4C technology such as communication, demonstration and control, its basic thought are that decentralised control, centralized operation, differentiated control, flexible configuration and configuration are convenient.Described network 5 can be that the Internet also can be a LAN (Local Area Network).
Described main frame 2 is connected with display 1, keyboard 3 and mouse 4, the Input/Output Device when described display 1, keyboard 3 and mouse 4 are used as concrete operations.
As shown in Figure 2, be the functional block diagram of main frame shown in Fig. 12.Described main frame 2 comprises monitors module 210, sending module 211, connection test module 212, transmission translation module 213.The alleged module of the present invention is to finish the computer program code segments of a specific function, be more suitable in describing the implementation of software in computing machine than program, therefore below the present invention to all describing in the software description with module.
Wherein, described monitoring module 210 is used to monitor the network connection state between main frame 2 and the DCS system 6 and it be the results are shown in display 1.Particularly, usually be connected by network between main frame and the DCS system 6, monitoring module 210 is used to monitor main frame 2 and is connected the normal state that whether is in network between the DCS system 6, if normally then show an icon, if another icon of undesired demonstration, can the user can clearly understand according to icon carry out next step action.
Described sending module 211 is used for according to described monitored result data transfer request being sent to DCS system 6.Particularly, if monitored result is that the network connection state between main frame 2 and the DCS system 6 is normal, then sending module 211 sends data transfer request to DCS system 6, main frame 2 just can carry out the operation of data transmission with DCS system 6 afterwards, and the data transmission between main frame 2 and the DCS system 6 is based on certain communications protocol (as: TCP/IP communications protocol) and reaches.
Whether described connection test module 212 is used for after sending DCS system 6 and receiving described data transfer request, the data test bag is sent to 6 tests of DCS system be connected normal with communication between the main frame 2.Described data test bag can be the data of some character strings or the data information of key word.
Described transmission translation module 211 is used for being connected just often with communication between the DCS system 6 when main frame 2, the form that the instruction translation that application software is sent by data access interface becomes DCS system 6 can read, and the result that will translate sends to DCS system 6.Particularly, native system provides one or more data access interface for application software, application software is sent instruction by described data access interface, generally speaking, order format that application software is sent and DCS system 6 are incompatible, could supply DCS system 6 to call through changing into the form that DCS system 6 can read.
Described transmission translation module 212 also is used to receive the result that DCS system 6 handles described instruction, it is translated into the form that application software can read, and send to application software.Particularly, native system is received after the result of the described instruction of processing that DCS system 6 sends, this result is changed into application software can read form, for example, if the request that application software is sent at the beginning is to check the produced on-site situation, then DCS system 6 receives this request with the form passback with file of the situation of produced on-site, transmits translation module 212 this document is converted into the file layout that application software can read.
As shown in Figure 3, be the process flow diagram that application software of the present invention and dcs are carried out the method preferred embodiment of exchanges data.
Step S10 at first, monitors module 210 and monitors the network connection state between main frames 2 and the DCS system 6 and it be the results are shown on the display 1.Particularly, usually be connected by network between main frame and the DCS system 6, monitoring module 210 is used to monitor main frame 2 and is connected the normal state that whether is in network between the DCS system 6, if normally then show an icon, if another icon of undesired demonstration, can the user can clearly understand according to icon carry out next step action.
Step S11, sending module 211 sends to DCS system 6 according to monitored result with data transfer request.Particularly, if monitored result be and DCS system 6 between network connection state normal, then send application software and dcs and carry out data exchange request to DCS system 6, just can carry out the operation of data transmission with DCS system 6 afterwards, application software and DCS system carry out exchanges data and are based on certain communications protocol (as: TCP/IP communications protocol) and reach.
Step S12 connects test module 212 behind the connection request that sends DCS system 6, the data test bag send to DCS system 6 test with main frame 2 between communication whether normally be connected.Described data test bag can be the data of some character strings or the data information of key word.
Step S13, if main frame 2 is connected just often with communication between the DCS system 6, transmission translation module 211 sends application software by data access interface instruction request is translated into the form that DCS system 6 can read, and the result that will translate sends to DCS system 6.Particularly, native system provides one or more data access interface for application software, application software is sent instruction by described data access interface, generally speaking, order format that application software is sent and DCS system 6 are incompatible, could supply DCS system 6 to call through changing into the form that DCS system 6 can read.
Step S14 transmits translation module 212 and receives the result that DCS system 6 handles described instruction, it is translated into the form that application software can read, and send to application software.Particularly, native system is received DCS system 6 and is handled after the result of described instruction, this result is changed into application software can read form, for example, if the request that application software is sent at the beginning is to check the produced on-site situation, then DCS system 6 receives this request with the form passback with file of the situation of produced on-site, transmits translation module 212 this document is converted into the file layout that application software can read.
In step S12,, then return to step S11 if the communication malunion between main frame 2 and the DCS system 6 is normal.

Claims (7)

  1. [claim 1] a kind of application software and dcs are carried out the system of exchanges data, comprise main frame, it is characterized in that, described main frame comprises:
    Monitor module, be used to monitor the network connection state between main frame and the dcs;
    Sending module is used for according to monitored result data transfer request being sent to dcs;
    Connect test module, be used for after dcs receives described data transfer request, the data test bag is sent to dcs test it and whether normally be connected with communication between the main frame; And
    Transmit translation module, be used for being connected just often with communication between the dcs when main frame, the instruction request that application software is sent by data access interface is translated into the form that distribution formula control system can read, and the result that will translate sends to dcs, receive dcs afterwards and handle the result of described instruction, it is translated into the form that application software can read, send to application software.
  2. [claim 2] application software as claimed in claim 1 and dcs are carried out the system of exchanges data, it is characterized in that, described data test bag is the data information with string representation.
  3. [claim 3] application software as claimed in claim 1 and dcs are carried out the system of exchanges data, it is characterized in that, on the display that form is shown in main frame links to each other of described network connection state by icon.
  4. [claim 4] a kind of application software and dcs are carried out the method for exchanges data, it is characterized in that, this method comprises the steps:
    Monitor the network connection state between main frame and the dcs;
    According to monitored result data transfer request is sent to dcs;
    After dcs receives described data transfer request, the data test bag is sent to dcs test it and whether normally be connected with communication between the main frame;
    When main frame is connected just often with communication between the dcs, the form that the instruction translation that application software is sent by data access interface becomes dcs can read, and described instruction sent to dcs; And
    Receive dcs and handle the result of described instruction, it is translated into the form that application software can read, send to application software.
  5. [claim 5] application software as claimed in claim 4 and dcs are carried out the method for exchanges data, it is characterized in that, described data test bag is the data information with string representation.
  6. [claim 6] application software as claimed in claim 4 and dcs are carried out the method for exchanges data, it is characterized in that, on the display that form is shown in main frame links to each other of described network connection state by icon.
  7. [claim 7] application software as claimed in claim 4 and dcs are carried out the method for exchanges data, it is characterized in that, this method also comprises the steps:
    Communication malunion between main frame and dcs often then resends data transfer request and gives dcs.
CN2007102017257A 2007-09-17 2007-09-17 System and method for data communication between application software and distributed control system Expired - Fee Related CN101393452B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103353733A (en) * 2013-06-17 2013-10-16 唐山钢铁集团微尔自动化有限公司 Method for realizing highly efficient real-time interaction between application level system and basic automation
CN110174881A (en) * 2019-06-12 2019-08-27 浩博泰德(北京)科技有限公司 A kind of distributed control means and system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7562135B2 (en) * 2000-05-23 2009-07-14 Fisher-Rosemount Systems, Inc. Enhanced fieldbus device alerts in a process control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103353733A (en) * 2013-06-17 2013-10-16 唐山钢铁集团微尔自动化有限公司 Method for realizing highly efficient real-time interaction between application level system and basic automation
CN103353733B (en) * 2013-06-17 2015-11-11 唐山钢铁集团微尔自动化有限公司 A kind of method realizing application layer system and basic automatization efficient real-time interaction
CN110174881A (en) * 2019-06-12 2019-08-27 浩博泰德(北京)科技有限公司 A kind of distributed control means and system

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