CN103823435A - Soft PLC-based superview system - Google Patents
Soft PLC-based superview system Download PDFInfo
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- CN103823435A CN103823435A CN201410047748.7A CN201410047748A CN103823435A CN 103823435 A CN103823435 A CN 103823435A CN 201410047748 A CN201410047748 A CN 201410047748A CN 103823435 A CN103823435 A CN 103823435A
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Abstract
The invention relates to a soft programmable logical controller (PLC)-based superview system comprising a PLC module, a database server, an OPC server, an AD module, a DA module, a switching value module, a man-machine interface module and a remote intelligent terminal module. All the servers or modules are connected by a local area network. According to the system, various local or remote data can be collected and an intelligent terminal or controller supporting OPC can be controlled remotely; the human-machine page function can be realized; and the configuration function of the superview system can be realized by a mapping way. The system can run at an embedded WinXP system and the whole WinXP system can be interconnected by the local area network; the communication speed is fast; and the security and reliability are high. The provided system can be transplanted at the Linux platform conveniently and can be widely applied to the fields of industrial automation, building monitoring, tourist attractions, and social benefit and the like.
Description
Technical field
The invention belongs to computer realm, relate in particular to a kind of SuperView system based on soft PLC.
Background technology
As everyone knows, conventional P LC (Program-mable Logical Controller, being called for short hard PLC herein) reliability is high, antijamming capability is strong, customizations and modularization, be applicable to severe control scene, be used widely at industrial control field and other industry (as household electric appliances).But, along with developing rapidly and widespread use of computer technology, make people recognize gradually versatility and compatible bad and expensive its fast development that restricted of HardPLC, simultaneously, due to the introduction and implementation of the international standard IEC1131 in industrial automatic control field, the product mutually incompatible limitation of each PLC production firm having broken, according to this international standard, (reliability of IPC and EPC improves greatly to make full use of the hardware and software resource of industrial control computer IPC or embedded computer EPC, approach the reliability of conventional P LC), all realize the function of conventional P LC with software, soft PLC (SoftPLC) technology that Here it is.SoftPLC (also claiming soft logic SoftLogic) is a kind of softPLC software based on IPC (industrial control computer) or EPC (built-in PC), LC is the same with conventional P, is mainly used in switching logic control in industrial control field, sequential control, timing controlled, counting control, analog quantity control, closed loop procedure control (PID control) etc.
But soft PLC, but because itself designs restriction, needs first defining variable, and then connects when use, complex operation, difficult convenience is carried out the input and output of data intuitively.
Summary of the invention
The object of the invention is to: a kind of soft PLC system of the SuperView of embedding system and device is provided, and so that abundant instrument control to be provided, man-machine interface is user-friendly to.
For achieving the above object, the technical solution used in the present invention is:
A kind of SuperView system based on soft PLC of the present invention, comprises soft PLC module, also comprises database server, opc server, AD module, DA module, switching value module, human-computer interface module and remote intelligent terminal module; Described each server or intermodule connect by LAN (Local Area Network); Wherein,
Soft PLC module reads command adapted thereto in order to complete customer requirement from database server, and the execution result of PLC program is sent to interfacing equipment by switching value module, execution result is presented in human-computer interface module simultaneously;
The predefined program of database server stores user and corresponding instruction are transferred for soft PLC module;
AD module and DA module are for the input and output of analog quantity and the conversion of analog quantity and digital quantity;
Opc server is converted to OPC form for the signal that AD module, DA module, switching value module, human-computer interface module and remote intelligent terminal module are imported into and imports human-computer interface module into;
Human-computer interface module, for showing soft PLC running state of programs and execution result;
Switching value module is used for the Interface status data of read-write interface equipment and carries out exchanges data with database server;
Remote intelligent terminal module, for Long-distance Control, is carried out user instruction.
Adopt after said structure, beneficial effect of the present invention is: native system can gather local or remote various data, also can carry out Remote to intelligent terminal and the controller of supporting OPC, realize man-machine page function, system facilitates configuration, user, by setting the attribute of control, designs the colourful configuration page, represents easily and intuitively the input and output of data; Can pass through up-to-date calcspar editing technique, realize various general-purpose relay functions, logic of sets computing and mathematical operation, in one, realize the collection to data, and statistics is analyzed and management, realizes complicated logic function, breaks through the various restrictions of conventional P LC; SuperView system realizes configuration function with plotting mode; System can run on embedded WinXP/WinXP whole system can be interconnected by LAN (Local Area Network), and communication speed is fast, safe and reliable; System can be transplanted to Linux platform easily.This system can be widely used in the aspects such as industrial automation, building monitoring, tourist attractions and public and social interest.
Accompanying drawing explanation
Accompanying drawing described herein is to be used to provide a further understanding of the present invention, forms the application's a part, but do not form inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is the frame diagram of the SuperView system based on soft PLC;
Fig. 2 is the logic control programming schematic diagram of PLC;
Fig. 3 is the man-machine interface schematic diagram of programming corresponding with the logic control of PLC.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples wherein and explanation are only used for explaining the present invention, but not as a limitation of the invention.
The logic control programming of embodiment 1PLC:
A SuperView system based on soft PLC, comprises soft PLC module, it is characterized in that, also comprises database server, opc server, AD module, DA module, switching value module, human-computer interface module and remote intelligent terminal module; Described each server or intermodule connect by LAN (Local Area Network); Wherein,
Soft PLC module reads command adapted thereto in order to complete customer requirement from database server, and the execution result of PLC program is sent to interfacing equipment by switching value module, execution result is presented in human-computer interface module simultaneously;
The predefined program of database server stores user and corresponding instruction are transferred for soft PLC module;
AD module and DA module are for the input and output of analog quantity and the conversion of analog quantity and digital quantity;
Opc server is converted to OPC form for the signal that AD module, DA module, switching value module, human-computer interface module and remote intelligent terminal module are imported into and imports human-computer interface module into;
Human-computer interface module, for showing PLC running state of programs and execution result;
Switching value module is used for the Interface status data of read-write interface equipment and carries out exchanges data with database server;
Remote intelligent terminal module, for Long-distance Control, is carried out user instruction.
The logic control programming of soft PLC, switching value module is obtained relay working state signal by interfacing equipment, as shown in Figure 2, represent various relays with block diagram form, represent the input and output of relay with line, AD module and DA module are obtained relay analog data and are converted into digital quantity signal and perform mathematical calculations by soft PLC module, result of calculation transfers OPC form to by opc server, by LAN (Local Area Network), in man-machine interface module, the logic control of the corresponding PLC that man-machine interface shows is programmed as shown in Figure 3.
The above is only preferred embodiments of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (1)
1. the SuperView system based on soft PLC, comprises soft PLC module, it is characterized in that: also comprise database server, opc server, AD module, DA module, switching value module, human-computer interface module and remote intelligent terminal module; Described each server or intermodule connect by LAN (Local Area Network); Wherein,
Soft PLC module reads command adapted thereto in order to complete customer requirement from database server, and the execution result of PLC program is sent to interfacing equipment by switching value module, execution result is presented in human-computer interface module simultaneously;
The predefined program of database server stores user and corresponding instruction are transferred for soft PLC module;
AD module and DA module are for the input and output of analog quantity and the conversion of analog quantity and digital quantity;
Opc server is converted to OPC form for the signal that AD module, DA module, switching value module, human-computer interface module and remote intelligent terminal module are imported into and imports human-computer interface module into;
Human-computer interface module, for showing soft PLC running state of programs and execution result;
Switching value module is used for the Interface status data of read-write interface equipment and carries out exchanges data with database server;
Remote intelligent terminal module, for Long-distance Control, is carried out user instruction.
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| CN201410047748.7A CN103823435A (en) | 2014-02-08 | 2014-02-08 | Soft PLC-based superview system |
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| CN201410047748.7A CN103823435A (en) | 2014-02-08 | 2014-02-08 | Soft PLC-based superview system |
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| CN103823435A true CN103823435A (en) | 2014-05-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111459102A (en) * | 2020-03-10 | 2020-07-28 | 深圳市燃气集团股份有限公司 | Gas industry safety intelligence industrial control system and equipment |
| CN113834123A (en) * | 2021-10-21 | 2021-12-24 | 山东齐芯智控科技有限公司 | Heat supply pipe network energy-saving regulation and control method and system based on soft bus |
| CN114237146A (en) * | 2021-11-24 | 2022-03-25 | 深圳市海浦蒙特科技有限公司 | Soft PLC control function implementation method, device, equipment and storage medium |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111459102A (en) * | 2020-03-10 | 2020-07-28 | 深圳市燃气集团股份有限公司 | Gas industry safety intelligence industrial control system and equipment |
| CN113834123A (en) * | 2021-10-21 | 2021-12-24 | 山东齐芯智控科技有限公司 | Heat supply pipe network energy-saving regulation and control method and system based on soft bus |
| CN114237146A (en) * | 2021-11-24 | 2022-03-25 | 深圳市海浦蒙特科技有限公司 | Soft PLC control function implementation method, device, equipment and storage medium |
| CN114237146B (en) * | 2021-11-24 | 2024-04-05 | 深圳市海浦蒙特科技有限公司 | Soft PLC control function realization method, device, equipment and storage medium |
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Application publication date: 20140528 |