CN102081393B - PLC controlled production line equipment information issuing device based on HTML - Google Patents
PLC controlled production line equipment information issuing device based on HTML Download PDFInfo
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- CN102081393B CN102081393B CN2010105950568A CN201010595056A CN102081393B CN 102081393 B CN102081393 B CN 102081393B CN 2010105950568 A CN2010105950568 A CN 2010105950568A CN 201010595056 A CN201010595056 A CN 201010595056A CN 102081393 B CN102081393 B CN 102081393B
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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]
Abstract
The invention provides a PLC-controlled production line equipment information publishing device based on HTML.A control part adopts a CPU (central processing unit) which is connected with a memory, a computer network interface and a physical interface of PLC of each production line equipment controller; the storage comprises a network interface area and a user area, wherein the network interface area comprises a communication protocol and a memory mapping table for accessing each production line equipment controller PLC, a TCP/IP module and system software; the user area comprises an HTML code module, an access authority table and a PLC communication parameter module; storing a human-computer interaction interface containing PLC data in an HTML webpage mode for a computer in a network to access, and realizing human-computer interaction through webpage operation; according to the communication protocol of the PLC and the memory data structure of the PLC, the system software calls a subfunction according to the memory mapping table to obtain or modify the memory data of the PLC, stores the result into the mapping table, and embeds corresponding data in the memory mapping table into a page written by HTML codes to form a complete man-machine interaction interface.
Description
Technical field
The present invention relates to a kind of apparatus for production line information delivery apparatus of controlling based on the PLC of HTML, belong to HMI, the human-computer interaction technique field of industrial control system.
Background technology
The PLC system that is widely used in the current industrial production is used for the control of equipment and production line, utilizes PLC easily PLC ruuning situation and critical process to be preserved, and through special software, hardware system inquiry.
For in time grasping equipment state, need often to inquire about the historical data that writes down among the PLC, whether take place unusually with affirmation equipment.But need the special software system during inquiry, and have only the fraction professional just can accomplish, need to arrive the on-the-spot inquiry of PLC usually.The supervisory system of doing through bus system and special purpose computer can remote inquiry PLC status information; But this kind system is open source code not; Basically can not revise or increase function, and any change can not take place in its riding position basic fixed, software and hardware system usually.
Summary of the invention
The objective of the invention is to design a kind of apparatus for production line information delivery apparatus of the PLC control based on HTML, it can be with the internal storage data of PLC, combine human-computer interaction interface, and this interface is stored with the mode of html web page, supplies the computer access in the network.The user is through the computing machine in the network, and the address of input corresponding intrument just can obtain to be stored in the human-computer interaction interface of preserving with the html page mode in the device in web browser, realizes remote monitoring.
Technical scheme of the present invention: the apparatus for production line information delivery apparatus that the present invention is based on the PLC control of HTML comprises control section and IO interface; Its control section adopts the CPU processor; The CPU processor is connected with storer; The CPU processor is connected with computer network interface, and the CPU processor is connected with the physical interface of the PLC of each apparatus for production line controller; Reservoir comprises network interface district and user area, and the network interface district comprises communications protocol and memory mapping table, TCP/IP module and the system software of visiting each apparatus for production line controller PLC; The user area comprises HTML code module, access rights table, PLC communications parameter module; Store the human-computer interaction interface that comprises plc data with the mode of html web page, supply the computer access in the network, and realize man-machine interaction through web page operation; Communications protocol and PLC internal storage data structure according to PLC; System software calls subfunction by the memory mapping table and obtains or revise the PLC internal storage data; And the result is saved in the mapping table; In the page of writing with HTML code, embed the corresponding data in the memory mapping table, form complete human-computer interaction interface.
The described apparatus for production line information delivery apparatus of controlling based on the PLC of HTML; Revise the content of memory mapping table through web page operation; And the fixed PLC memory information that needs visit and preserve of voting thus; The identification code, the name information that comprise each apparatus for production line controller in the HTML code, and, supply the computer access in the network to check with constituting complete human-computer interaction interface in the PLC information adding html page that obtains.
The described apparatus for production line information delivery apparatus of controlling based on the PLC of HTML; On device, write-protect switch is set; Be at write-protect switch under the situation of permission position; High authority visitor in the authority list can rewrite or revise personal code work, and personal code work comprises each human-computer interaction interface, the PLC memory mapping table of describing with the parameter of PLC communication, address and title in the computer network, access rights table, HTML code; Or pass through state and the numerical value that the PLC inner member is intervened in the html page operation, accomplish Long-distance Control.
Advantage of the present invention: the present invention's computing machine (comprising PC) in the long-distance monitoring method access network easily of sampling, can be through web browser visit PLC address, and under the condition of security clearance, realize remote monitoring.
Long-distance user in the network is through the network address at the corresponding PLC of input in web browser place; Just can through common web page operation understand corresponding PLC and equipment duty, start and to stop contents such as record, alarm logging, and can realize intervention to PLC and relevant device through the webpage interactive operation.
The present invention with the internal storage data of PLC, combine human-computer interaction interface, and this interface (comprising functions such as supervision, control and inquiry) is stored with the mode of html web page, supply the computer access in the network.Through this kind method, the computing machine in the network need not installed the information interface that special software (only using web browser) just can obtain relevant PLC and institute's opertaing device thereof, and realizes the purpose of man-machine interaction through web page operation.The method convenient easy-adjustable is whole, has avoided installing at each possible monitoring position the harsh requirement of special software.
Description of drawings
Fig. 1 is a hardware structure diagram of the present invention.
Fig. 2 is an internal memory software architecture diagram of the present invention.
Fig. 3 is the present invention application structure figure in network.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Like Fig. 1, shown in Figure 2; The apparatus for production line information delivery apparatus of controlling based on the PLC of HTML of the present invention comprises control section and IO interface; Control section adopts the CPU processor; The CPU processor is connected with storer, and the CPU processor is connected with computer network interface, and the CPU processor is connected with the physical interface of the PLC of each apparatus for production line controller; Reservoir comprises network interface district and user area, communications protocol and memory mapping table, TCP/IP module and the system management module of each apparatus for production line controller PLC of network interface district storage; The user area comprises HTML code module, access rights table, PLC communications parameter module.
The internal storage data of described each apparatus for production line controller PLC is embedded in the human-computer interaction interface, and stores with the mode of html web page, supplies the computer access in the network, and realizes the supervision control to apparatus for production line through web page operation.
The interface of each apparatus for production line controller PLC that described HTML code module stores is preset; And by the fixed PLC internal storage data that needs visit and preserve of memory mapping voting; The identification code, the name information that comprise each apparatus for production line controller in the code; And, supply the computer access in the network to check with in the PLC internal storage data adding html page that obtains.
Whether described device is inner allows to rewrite the PLC memory mapping of HTML code or embedding through physical switch and authority list decision.
Fig. 3 is the present invention application structure figure in network:
The described apparatus for production line information delivery apparatus of controlling based on the PLC of HTML; Under the situation of connecting write-protect switch of the present invention; Through the physical communication interface in the present invention; Can work out and write personal code work, personal code work has comprised parameter setting, relevant setting, access rights, HTML code and the PLC memory mapping table of distributing device in computer network with the PLC communication.
Computing machine just can be checked the page of storage through the address of the corresponding PLC information delivery apparatus of input in web browser in browser, realize supervision and to the intervention of production equipment through web page operation.
The present invention is attached to the internal storage data (it includes input, output state, internal state and the data recorded of PLC) of PLC in the human-computer interaction interface, and this interface is stored with the mode of html web page, supplies the computer access in the network.It can increase storage unit stores by PLC manufacturer and realized by the html interface and the security permission table of user's design in the CPU element of PLC; Also can in the Ethernet unit of its manufacturing, add storage unit stores and realize that by the html interface and the security permission table of user's design the isolated plant of perhaps being made by the third party is realized by PLC manufacturer.
Production equipment manufacturer (calling design side in the following text) is under the requirement of equipment user (calling the user in the following text), and buying is by the PLC unit and/or the special distributing device of integrator's manufacturing, and design corresponding program and monitoring interface.Design side converts the interface of user's request and user right to corresponding HTML code and is stored in the device that integrator makes.User side's network system is to computing machine in the access network and PLC system assignment address; Through the computing machine in the network; In web browser, import corresponding address; The information of just can (as checking generic web page) checking the production equipment of corresponding PLC and control thereof, and under the situation of authority permission, realize intervention to production equipment through web page operation.
Computing machine in the network can not need to keep watch under the situation at special software or interface the operation conditions of PLC; The inner critical data of remote inquiry PLC; Also can realize intervention through web page operation to production equipment; And do not receive the restriction of place, distance, also need not obtain special mandate just can increase monitoring (common computer) quantity arbitrarily.
Claims (3)
1. apparatus for production line information delivery apparatus based on the PLC of HTML control; Comprise control section and IO interface; It is characterized in that: control section adopts the CPU processor; The CPU processor is connected with storer, and the CPU processor is connected with computer network interface, and the CPU processor is connected with the physical interface of each apparatus for production line controller PLC; Storer comprises network interface district and user area, and the network interface district comprises communications protocol and memory mapping table, TCP/IP module and the system software of visiting each apparatus for production line controller PLC; The user area comprises HTML code module, access rights table, PLC communications parameter module; Store the human-computer interaction interface that comprises plc data with the mode of html web page, supply the computer access in the network, and realize man-machine interaction through web page operation; Communications protocol and PLC internal storage data structure according to PLC; System software calls subfunction by the memory mapping table and obtains or revise the PLC internal storage data; And the result is saved in the memory mapping table; In the page of writing with HTML code, embed the corresponding data in the memory mapping table, form complete human-computer interaction interface.
2. the apparatus for production line information delivery apparatus of controlling based on the PLC of HTML according to claim 1; It is characterized in that: the content of revising the memory mapping table through web page operation; And the fixed PLC memory information that needs visit and preserve of voting thus; The identification code, the name information that comprise each apparatus for production line controller PLC in the HTML code, and, supply the computer access in the network to check with constituting complete human-computer interaction interface in the PLC information adding html page that obtains.
3. the apparatus for production line information delivery apparatus of controlling based on the PLC of HTML according to claim 1 and 2; It is characterized in that: on device, write-protect switch is set; Be at write-protect switch under the situation of permission position; High authority visitor in the access rights table can rewrite or revise personal code work, and personal code work comprises each human-computer interaction interface, the memory mapping table of describing with the parameter of PLC communication, address and title in the computer network, access rights table, HTML code; Or pass through state and the numerical value that the PLC inner member is intervened in the html page operation, accomplish Long-distance Control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105950568A CN102081393B (en) | 2010-12-20 | 2010-12-20 | PLC controlled production line equipment information issuing device based on HTML |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105950568A CN102081393B (en) | 2010-12-20 | 2010-12-20 | PLC controlled production line equipment information issuing device based on HTML |
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| CN102081393A CN102081393A (en) | 2011-06-01 |
| CN102081393B true CN102081393B (en) | 2012-05-30 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2771802A4 (en) * | 2011-10-24 | 2016-05-25 | Schneider Electric Ind Sas | System and method for managing industrial processes |
| CN103914018A (en) | 2012-12-31 | 2014-07-09 | 施耐德电器工业公司 | Programming support system and method for programmable logic controller |
| WO2014137317A1 (en) * | 2013-03-05 | 2014-09-12 | Schneider Electric USA, Inc. | System and method for managing industrial processes |
| CN103336491A (en) * | 2013-06-03 | 2013-10-02 | 上海大学 | Distributed automation production line system based on Ethernet and communication method of distributed automation production line system based on Ethernet |
| CN103488588A (en) * | 2013-10-09 | 2014-01-01 | 中国科学院计算技术研究所 | Memory protection method and system and network interface controller |
| KR101593835B1 (en) * | 2014-10-30 | 2016-02-12 | 엘에스산전 주식회사 | PLC system |
| CN108898006B (en) * | 2018-05-30 | 2020-04-03 | 百富计算机技术（深圳）有限公司 | HTML5 file security protection method, system and terminal equipment |
| CN109884971A (en) * | 2019-02-20 | 2019-06-14 | 深圳市显控科技股份有限公司 | Long-range control method, apparatus and system |
| CN110166467B (en) * | 2019-05-28 | 2022-04-01 | 重庆科技学院 | PLC cross-platform control method based on HTML _ WEB gateway |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3381772B2 (en) * | 1997-11-26 | 2003-03-04 | オムロン株式会社 | Production line monitoring system |
| CN1414438A (en) * | 2002-11-21 | 2003-04-30 | 洛阳轴研科技股份有限公司 | Remote monitering system of full automatic special bearing grinding machine |
| CN101048712A (en) * | 2004-07-14 | 2007-10-03 | 约克国际公司 | HTML driven embedded controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8554877B2 (en) * | 2005-08-19 | 2013-10-08 | Rockwell Automation Technologies, Inc. | Motor drive with integrated server module |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3381772B2 (en) * | 1997-11-26 | 2003-03-04 | オムロン株式会社 | Production line monitoring system |
| CN1414438A (en) * | 2002-11-21 | 2003-04-30 | 洛阳轴研科技股份有限公司 | Remote monitering system of full automatic special bearing grinding machine |
| CN101048712A (en) * | 2004-07-14 | 2007-10-03 | 约克国际公司 | HTML driven embedded controller |
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