CN103530258A - Multi-drive supported server based on OPC technology - Google Patents
Multi-drive supported server based on OPC technology Download PDFInfo
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- CN103530258A CN103530258A CN201310491459.1A CN201310491459A CN103530258A CN 103530258 A CN103530258 A CN 103530258A CN 201310491459 A CN201310491459 A CN 201310491459A CN 103530258 A CN103530258 A CN 103530258A
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Abstract
The invention discloses a multi-drive supported server based on the OPC technology. The multi-drive supported server comprises an OPC client terminal, an OPC server and third-party devices. A plurality of driving modules which are correspondingly communicated with the third-party devices in a one-to-one mode are preset in the OPC server. The multi-drive supported server has the advantages that due to the fact that the driving modules respectively corresponding to communication protocols of the third-party devices are preset in the OPC server, when upper monitoring software needs to collect data of a certain third-party device, only the driving module corresponding to the certain third-party device is required to be called, the connection with the certain third-party device is established through the one driving module, and the communication requirement of the third-part device is met. Therefore, any third-party device can be supplied to be used by any upper monitoring software system only when one device driving module is required to be provided, the mode that due to the fact that the upper-layer monitoring software is constantly updated, device drives are constantly developed is met, and the multi-drive supported server based on the OPC technology has good flexibility, expansibility and maintainability.
Description
Technical field
The present invention relates to the back-level servers that drive more, relate in particular to the many drivings back-level server based on OPC technology.
Background technology
OPC full name is Object Linking and Embedding(OLE) for Process Control, bridge has been set up in its application program and the field process control application that appear as based on Windows.Along with developing rapidly of the new technologies such as computer science, Industry Control, computer supervisory control system by early stage centralized monitoring to full distributed future development.A good dcs (Distributed Control System, DCS) monitoring application software should be able to provide application interface or standard interface widely, realize easily DCS controller, third party PLC(Programmable logic Controller, programmable logic controller (PLC)), the data access of intelligent instrument and other industrial control equipments is in system.General supervisory system is all regarded external unit as data source, and driver and these external unit swap datas comprise image data and send data/commands.
In current industrial control system, when DCS system and third party device communicate, must develop corresponding device driver; When DCS system upgrade, device drives also must be carried out corresponding upgrading, thereby has increased upgrading and maintenance cost.Traditional Process Control System is man-to-man system, when upper monitoring software comprises DCS, SCADA(Supervisory Control And Data Acquisition, data acquisition and supervisor control), MES(Manufacturing Execution System, manufacturing execution system) etc. when for certain equipment, all need to develop special-purpose driver, under this kind of pattern, if to HardwareUpgring or replacing, can bring a large amount of repeated works to system, take time and effort:
1. certain application software will need to be developed N driving for N kind hardware device, and increasing a new application software needs the driving of N hardware device of exploitation in addition;
2. M software needs exploitation (M*N) individual driving for N kind hardware device, and increasing a kind of new hardware device need to be the new driving of M kind software development.
Summary of the invention
The technical problem to be solved in the present invention is that existing upper monitoring software comprises that DCS, SCADA, MES etc. are when for certain equipment, all need to develop special-purpose driver, under this kind of pattern, if to HardwareUpgring or replacing, can bring a large amount of repeated works to system, take time and effort, increase cost, a kind of many drivings back-level server based on OPC technology is provided for this reason.
Technical scheme of the present invention is the many drivings back-level server based on OPC technology, and it comprises OPC client, opc server and third party device, preset a plurality of and the third party device driver module of corresponding communication one by one in described opc server.
Opc server described in such scheme comprise for by OPC interface, receive that OPC client sends to the call request receiving element of the call request of third party device, for according to described identification information, call corresponding third party device communication protocol in preset driver module driver module driver module call unit and for gathering the data of described third party device the data acquisition unit of processing.
Driver described in such scheme in driver module adopts the mode of dynamic base to encapsulate.
The improvement of such scheme is that described opc server also comprises for showing the communications status of third party device and the functional module that data show.
The further improvement of such scheme is that described opc server also comprises for recording the log pattern of communicating by letter with third party device.
Further improving again of such scheme is that described opc server also comprises the diagnostic module for the treatment of communication issue.
The invention has the beneficial effects as follows the device that a kind of collecting data of equipment of third party based on OPC standard is provided, by preset a plurality of driver modules corresponding with each third party device communication protocol respectively in opc server, when DCS or other upper monitoring software real-time data base need to gather the data of certain third party device, only need to call to driver module that should third party device, thereby by this driver module, set up and being connected of third party device, meet the communicating requirement of third party device.Thus, for any third party device, only need to provide a kind of device driver module just can supply with any upper monitoring software systems uses, meet the pattern that DCS or other upper strata monitoring softwares device drives that constantly upgrading causes is continually developed, made the enforcement of scheme there is good dirigibility, extendability and maintainability.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, the present invention includes OPC client, opc server and third party device, preset a plurality of and the third party device driver module of corresponding communication one by one in described opc server.
The quantity of OPC client can have a plurality of, in Fig. 1, be exemplary provided 4, the quantity of driver module is correspondingly also 4, the third party device quantity that can support is also 4, and the present invention can arrange the number of OPC client, driver module and third party device certainly as required.
Concrete opc server comprises: call request receiving element, for receiving by OPC interface the call request to third party device that OPC client sends, carries the identification information of described third party device in call request; Driver module call unit, for according to described identification information, calls the driver module of corresponding described third party device communication protocol in preset a plurality of driver modules, and foundation is connected with described third party device; Data acquisition unit, for gathering the data of described third party device, and carries out respective handling to the data of the described third party device obtaining.
The driver of the driver module in opc server adopts the mode of dynamic base to encapsulate, a corresponding a kind of communication drivers agreement of dynamic base, and opc server also comprises, for showing the communications status of third party device and the functional module that data show; For recording the log pattern of communicating by letter with third party device; For the treatment of the diagnostic module of communication issue, this diagnostic module can carry out fault test and according to described log information, carry out the judgement of failure cause, and this module has data processing function, guarantees the data that send to client.When the real-time data base of the systems such as DCS, SCADA, MES need to gather the data of certain third party device, only need to call to driver module that should third party device, thereby by this driver module, set up and being connected of third party device, meet the communicating requirement of third party device.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (6)
1. the many drivings back-level server based on OPC technology, it comprises OPC client, opc server and third party device, it is characterized in that in described opc server preset a plurality of and the third party device driver module of corresponding communication one by one.
2. the many drivings back-level server based on OPC technology as claimed in claim 1, it is characterized in that described opc server comprise for by OPC interface, receive that OPC client sends to the call request receiving element of the call request of third party device, for according to described identification information, call corresponding third party device communication protocol in preset driver module driver module driver module call unit and for gathering the data of described third party device the data acquisition unit of processing.
3. the many drivings back-level server based on OPC technology as claimed in claim 2, is characterized in that the driver in described driver module adopts the mode of dynamic base to encapsulate.
4. the many drivings back-level server based on OPC technology as claimed in claim 3, is characterized in that described opc server also comprises for showing the communications status of third party device and the functional module that data show.
5. the many drivings back-level server based on OPC technology as claimed in claim 4, is characterized in that described opc server also comprises for recording the log pattern of communicating by letter with third party device.
6. the many drivings back-level server based on OPC technology as claimed in claim 5, is characterized in that described opc server also comprises the diagnostic module for the treatment of communication issue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310491459.1A CN103530258A (en) | 2013-10-18 | 2013-10-18 | Multi-drive supported server based on OPC technology |
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| CN201310491459.1A CN103530258A (en) | 2013-10-18 | 2013-10-18 | Multi-drive supported server based on OPC technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052086A (en) * | 2017-12-28 | 2018-05-18 | 珠海格力智能装备技术研究院有限公司 | Data collecting system |
| CN110705991A (en) * | 2019-09-18 | 2020-01-17 | 深圳市科脉技术股份有限公司 | Face-brushing payment system and method based on two-way communication, electronic device and medium |
| CN112486122A (en) * | 2020-11-30 | 2021-03-12 | 上海交大智邦科技有限公司 | Method and device for virtually debugging real production line |
-
2013
- 2013-10-18 CN CN201310491459.1A patent/CN103530258A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052086A (en) * | 2017-12-28 | 2018-05-18 | 珠海格力智能装备技术研究院有限公司 | Data collecting system |
| CN110705991A (en) * | 2019-09-18 | 2020-01-17 | 深圳市科脉技术股份有限公司 | Face-brushing payment system and method based on two-way communication, electronic device and medium |
| CN112486122A (en) * | 2020-11-30 | 2021-03-12 | 上海交大智邦科技有限公司 | Method and device for virtually debugging real production line |
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Application publication date: 20140122 |