CN105049312A - Industrial control ring network system and networking method thereof - Google Patents
Industrial control ring network system and networking method thereof Download PDFInfo
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- CN105049312A CN105049312A CN201510336014.5A CN201510336014A CN105049312A CN 105049312 A CN105049312 A CN 105049312A CN 201510336014 A CN201510336014 A CN 201510336014A CN 105049312 A CN105049312 A CN 105049312A
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Abstract
The invention discloses an industrial control ring network system and a networking method thereof, and belongs to the technical field of industrial control ring network. The problem that certain special applications in an industrial control system cannot be implemented due to capacity limitation in communication rate and communication distance of conventional industrial control field buses is solved. According to the technical scheme, the industrial control ring network system comprises a set of main station equipment and at least a set of slave station equipment, and the main station equipment and the slave station equipment are connected in sequence to form a closed ring network structure. According to the networking method of the industrial control ring network system, the networking of the industrial control ring network system is performed, a data sending port of the main station equipment is connected to a data receiving port of the first set of slave station equipment via a bus, a data sending port of the first set of slave station equipment is connected to a data receiving port of the second set of slave station equipment via the bus, and so on, and a data sending port of the last set of slave station equipment is connected to a data receiving port of the main station equipment via the bus.
Description
Technical field
The present invention relates to a kind of Industry Control Ring network technologies field, specifically Industry Control loop network system and network-building method thereof.
Background technology
Along with the development of computer technology, the communication technology and control technology, traditional control field is just experiencing a unprecedented change, starts to networking future development.The structure of control system is from initial CCS(centralized computer control system), the DCS(scattered control system to the second generation), develop into the FCS(field bus control system of current trend).
In industrial control process, sometimes a website can not meet on-the-spot control overflow completely, and the mode of principal and subordinate at this moment can be adopted to communicate, and namely configure a website as main website, other website is as the communication modes of slave station.
In master-slave communication process, main website can with each slave station direct communication, assign control command, receiving feedback information etc.; Slave station can not initiatively initiating communication, can only respond the access of main website, is that main website provides data or receives the data that main website sends; A slave station can not access other slave station.
At present, in industrial control system, widely used communication bus comprises CAN fieldbus, Profibus fieldbus etc., there is the restriction of traffic rate and communication distance.
Traditional industry controls the capabilities limits of fieldbus in traffic rate and communication distance and causes some special applications of industrial control system (application as high to requirement of real-time) to implement.
Summary of the invention
Technical assignment of the present invention is for above weak point, provides a kind of Industry Control loop network system and network-building method thereof.The present invention solves the problem that the capabilities limits of traditional industry control fieldbus in traffic rate and communication distance causes some special applications of industrial control system (application as high to requirement of real-time) to implement.
The technical solution adopted for the present invention to solve the technical problems is:
Industry Control loop network system, comprise a set of master device and a set of slave station equipment, described master device is connected in turn with slave station equipment, forms a closed ring-like network structure; Master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port;
The data sending terminal mouth of master device is connected to the data receiver port of slave station equipment, and the data sending terminal mouth of slave station equipment is connected to the data receiver port of master device; Form a closed ring-like network structure.
Industry Control loop network system, comprise a set of master device and at least two cover slave station equipment, described master device is connected in turn with slave station equipment, forms a closed ring-like network structure; Master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port;
The data sending terminal mouth of master device is connected to the data receiver port of first set slave station equipment, the data sending terminal mouth of first set slave station equipment is connected to the data receiver port of the second cover slave station equipment, the like, the data sending terminal mouth of last a set of slave station equipment is connected to the data receiver port of master device; So connect in turn, form a closed ring-like network structure.
Described Industry Control loop network system, master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port, communication module, CPU module, communication module connection data transmit port and data receiver port, the CPU module of master device connects the communication module of master device;
Data sending terminal mouth, for sending data-signal to the master device be connected with this equipment or slave station equipment;
Data receiver port, for receiving the data-signal that the master device that is connected with this equipment or slave station equipment send;
Communication module is used for the master device that is connected with this equipment or slave station equipment communicates;
The CPU module of master device uses as the CPU module of described Industry Control loop network system, and the CPU module of slave station equipment is reserved module.
Described Industry Control loop network system, master device and slave station equipment connect into a closed ring network structure by following bus one of at least: optical fiber, high speed cable.
Described Industry Control loop network system, communication module comprises data processing module, data reception module, data transmission blocks, data processing module connection data receiver module and data transmission blocks; Data reception module connection data receiving port, data transmission blocks connection data transmit port; Data processing module is used for data processing.
The network-building method of Industry Control loop network system, carries out networking to Industry Control loop network system, comprises the steps:
(1), choose the master device and slave station equipment that need to carry out networking, wherein, master device is a set of, and slave station equipment is at least a set of, and master device and slave station equipment connect to form a closed ring-like network structure in turn;
(2), the data sending terminal mouth of master device is connected to the data receiver port of first set slave station equipment by bus, the data sending terminal mouth of first set slave station equipment is connected to the data receiver port of the second cover slave station equipment by bus, the like, the data sending terminal mouth of last a set of slave station equipment is connected to the data receiver port of master device by bus;
(3), communication module, for communicating with described master device or slave station equipment;
(4), the CPU module of master device uses as the CPU module of described Industry Control loop network system, and the CPU module of slave station equipment is reserved module.
The network-building method of described Industry Control loop network system, bus is optical fiber or is high speed cable.
The network-building method of described Industry Control loop network system, communication module comprises data transmission blocks, data reception module, data processing module;
Data transmission blocks and data reception module: carry out transfer of data for the master device that is connected with this equipment or slave station equipment;
Data processing module: for data processing.
Compared to the prior art Industry Control loop network system of the present invention and network-building method thereof, have the following advantages:
1, effectively can carry out the networking of industrial control system and implement some special applications of industrial control system, as the application high to requirement of real-time;
2, a set of master device and N are overlapped slave station equipment (N >=1, N is natural number) and form a closed looped network by utilizing " optical fiber " or " high speed cable ", significantly can improve traffic rate, increase data transmission distance simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Accompanying drawing 1 is the structural topology block diagram of Industry Control loop network system;
Accompanying drawing 2 is the structural topology block diagram of the master device of Industry Control loop network system;
Accompanying drawing 3 is the structural topology block diagram of the slave station equipment of Industry Control loop network system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1:
Industry Control loop network system of the present invention, comprise a set of master device and a set of slave station equipment, described master device is connected in turn with slave station equipment, forms a closed ring-like network structure; Master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port;
The data sending terminal mouth of master device is connected to the data receiver port of slave station equipment, and the data sending terminal mouth of slave station equipment is connected to the data receiver port of master device; Form a closed ring-like network structure.
Embodiment 2:
Industry Control loop network system of the present invention, comprise a set of master device and a set of slave station equipment, described master device is connected in turn with slave station equipment, forms a closed ring-like network structure; Master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port;
The data sending terminal mouth of master device is connected to the data receiver port of slave station equipment, and the data sending terminal mouth of slave station equipment is connected to the data receiver port of master device; Form a closed ring-like network structure.
Master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port, communication module, CPU module, communication module connection data transmit port and data receiver port, the CPU module of master device connects the communication module of master device;
Data sending terminal mouth, for sending data-signal to the master device be connected with this equipment or slave station equipment;
Data receiver port, for receiving the data-signal that the master device that is connected with this equipment or slave station equipment send;
Communication module is used for the master device that is connected with this equipment or slave station equipment communicates;
The CPU module of master device uses as the CPU module of described Industry Control loop network system, and the CPU module of slave station equipment is reserved module.
Communication module comprises data processing module, data reception module, data transmission blocks, data processing module connection data receiver module and data transmission blocks; Data reception module connection data receiving port, data transmission blocks connection data transmit port; Data processing module is used for data processing.
Master device and slave station equipment become a closed ring network structure by Fiber connection.
Embodiment 3:
Industry Control loop network system of the present invention, comprise a set of master device and at least two cover slave station equipment, described master device is connected in turn with slave station equipment, forms a closed ring-like network structure; Master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port;
The data sending terminal mouth of master device is connected to the data receiver port of first set slave station equipment, the data sending terminal mouth of first set slave station equipment is connected to the data receiver port of the second cover slave station equipment, the like, the data sending terminal mouth of last a set of slave station equipment is connected to the data receiver port of master device; So connect in turn, form a closed ring-like network structure.
Embodiment 4:
Industry Control loop network system of the present invention, comprise a set of master device and at least two cover slave station equipment, described master device is connected in turn with slave station equipment, forms a closed ring-like network structure; Master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port;
The data sending terminal mouth of master device is connected to the data receiver port of first set slave station equipment, the data sending terminal mouth of first set slave station equipment is connected to the data receiver port of the second cover slave station equipment, the like, the data sending terminal mouth of last a set of slave station equipment is connected to the data receiver port of master device; So connect in turn, form a closed ring-like network structure.
Master device and slave station equipment include: data sending terminal mouth, data receiver port, communication module, CPU module, communication module connection data transmit port and data receiver port, and the CPU module of master device connects the communication module of master device;
Data sending terminal mouth, for sending data-signal to the master device be connected with this equipment or slave station equipment;
Data receiver port, for receiving the data-signal that the master device that is connected with this equipment or slave station equipment send;
Communication module is used for the master device that is connected with this equipment or slave station equipment communicates;
The CPU module of master device uses as the CPU module of described Industry Control loop network system, and the CPU module of slave station equipment is reserved module.
Communication module comprises data processing module, data reception module, data transmission blocks, data processing module connection data receiver module and data transmission blocks; Data reception module connection data receiving port, data transmission blocks connection data transmit port; Data processing module is used for data processing.
Master device and slave station equipment connect into a closed ring network structure by high speed cable.
The originating end that master device communicates as whole Industry Control loop network system, the communication module of master device receives the data of the CPU module of Industry Control loop network system, and data are resolved, if the data that master device is resolved to CPU module are the data sending to master device, then master device is by data receiver, to go forward side by side data line process, if the data that master device is resolved to CPU module send other slave station equipment, then the data retransmission of CPU module is given and to be connected next stage slave station equipment by high speed cable with master device by master device, by data retransmission mechanism, the data of CPU module are sent to object slave station equipment, if can not find object slave station equipment (website) in Industry Control loop network system, then discard processing is carried out to data.
Master device is as the terminal of communication, and the communication module of master device receives the data that the slave station equipment that is connected with master device by high speed cable is sent, and the data of each slave station equipment is sent to the CPU module of Industry Control loop network system.
Slave station equipment is as the website of in Industry Control loop network system, receive the data that the master device that is connected with slave station equipment by high speed cable or slave station equipment are sent, while data are forwarded, whether resolution data is the data that the CPU module of Industry Control loop network system sends to this slave station equipment: if, then by data receiver, to go forward side by side row relax, after having processed, the data that processing locality completes by slave station equipment send to the next stage master device or slave station equipment that are connected by high speed cable with this slave station equipment, by data retransmission mechanism, the data of slave station equipment send to master device, the CPU module of Industry Control loop network system is sent to by master device, if the data that slave station equipment is resolved to CPU module are not the data sending to local slave station equipment, then these data are forwarded, by data retransmission mechanism, the data of CPU module are sent to object slave station equipment, if can not find object slave station equipment in Industry Control loop network system, then master device is had to carry out discard processing to data.
Embodiment 5:
The network-building method of Industry Control loop network system of the present invention, carries out networking to Industry Control loop network system, comprises the steps:
(1), choose the master device and slave station equipment that need to carry out networking, wherein, master device is a set of, and slave station equipment is at least a set of, and master device and slave station equipment connect to form a closed ring-like network structure in turn;
(2), the data sending terminal mouth of master device is connected to the data receiver port of first set slave station equipment by bus, the data sending terminal mouth of first set slave station equipment is connected to the data receiver port of the second cover slave station equipment by bus, the like, the data sending terminal mouth of last a set of slave station equipment is connected to the data receiver port of master device by bus;
(3), communication module, for communicating with described master device or slave station equipment;
(4), the CPU module of master device uses as the CPU module of described Industry Control loop network system, and the CPU module of slave station equipment is reserved module.
Embodiment 6:
The network-building method of Industry Control loop network system of the present invention, carries out networking to Industry Control loop network system, comprises the steps:
(1), choose the master device and slave station equipment that need to carry out networking, wherein, master device is a set of, and slave station equipment is at least a set of, and master device and slave station equipment connect to form a closed ring-like network structure in turn;
(2), the data sending terminal mouth of master device is connected to the data receiver port of first set slave station equipment by bus, the data sending terminal mouth of first set slave station equipment is connected to the data receiver port of the second cover slave station equipment by bus, the like, the data sending terminal mouth of last a set of slave station equipment is connected to the data receiver port of master device by bus;
(3), communication module, for communicating with described master device or slave station equipment;
(4), the CPU module of master device uses as the CPU module of described Industry Control loop network system, and the CPU module of slave station equipment is reserved module.
Bus is optical fiber or is high speed cable.
Communication module comprises data transmission blocks, data reception module, data processing module;
Data transmission blocks and data reception module: carry out transfer of data for the master device that is connected with this equipment or slave station equipment;
Data processing module: for data processing.
The function of the data processing module of master device: the data processing module of master device receives the data of the CPU module of the Industry Control loop network system that master device data transmission blocks sends, and data are stored in register, after data receiver completes, the data processing module of master device processes data, after data processing completes, data after having processed are sent to the data reception module of master device by the data processing module of master device, are sent the data to the CPU module of Industry Control loop network system by the data reception module of master device.
The function of the data reception module of master device: the data that the data reception module of master device receives master device data processing module and the data of the data transmission blocks of upper level slave station equipment be connected by optical fiber or high speed cable with master device, and judge that whether data are effective, if effectively, then send the data to the CPU module of Industry Control loop network system, if invalid, then data are abandoned.
The function of the data transmission blocks of slave station equipment: the data transmission blocks of slave station equipment receives the data reception module of slave station equipment and the data of slave station equipment data processing module, and the data reception module data reception module of slave station equipment and the data of slave station equipment data processing module being sent to next stage master device or the slave station equipment be connected by optical fiber or high speed cable with this slave station equipment.
The function of the data processing module of slave station equipment: the Industry Control loop network system CPU module of the data reception module forwarding of the data processing module reception slave station equipment of slave station equipment sends to the data of this slave station equipment, and data are processed, after data processing completes, according to certain data format, send to the data transmission blocks of this slave station equipment.
The function of the data reception module of slave station equipment: the data reception module of slave station equipment receives the data of the data transmission blocks of upper level master device or the slave station equipment be connected by optical fiber or high speed cable with this slave station equipment, after being judged as valid data, the data transmission blocks of data being given this slave station equipment on the one hand carries out data retransmission, the parsing on the other hand data carried out, if being resolved to is the data that the CPU module of Industry Control loop network system sends to this slave station equipment, then send the data to the data processing module of this slave station equipment, data processing is carried out by data processing module, if the data that the data reception module of slave station equipment is resolved to CPU module are not the data sending to this slave station equipment, then do not process.
Above-mentioned embodiment is only concrete case of the present invention; scope of patent protection of the present invention includes but not limited to above-mentioned embodiment; claims of any Industry Control loop network system according to the invention and network-building method thereof and any person of an ordinary skill in the technical field to its suitable change done or replacement, all should fall into scope of patent protection of the present invention.
Claims (10)
1. Industry Control loop network system, it is characterized in that comprising a set of master device and a set of slave station equipment, described master device is connected in turn with slave station equipment, forms a closed ring-like network structure; Master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port;
The data sending terminal mouth of master device is connected to the data receiver port of slave station equipment, and the data sending terminal mouth of slave station equipment is connected to the data receiver port of master device; Form a closed ring-like network structure.
2. Industry Control loop network system according to claim 1, it is characterized in that master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port, communication module, CPU module, communication module connection data transmit port and data receiver port, the CPU module of master device connects the communication module of master device;
Data sending terminal mouth, for sending data-signal to the master device be connected with this equipment or slave station equipment;
Data receiver port, for receiving the data-signal that the master device that is connected with this equipment or slave station equipment send;
Communication module is used for the master device that is connected with this equipment or slave station equipment communicates;
The CPU module of master device uses as the CPU module of described Industry Control loop network system, and the CPU module of slave station equipment is reserved module.
3. Industry Control loop network system according to claim 2, is characterized in that communication module comprises data processing module, data reception module, data transmission blocks, data processing module connection data receiver module and data transmission blocks; Data reception module connection data receiving port, data transmission blocks connection data transmit port; Data processing module is used for data processing.
4. Industry Control loop network system, it is characterized in that comprising a set of master device and at least two cover slave station equipment, described master device is connected in turn with slave station equipment, forms a closed ring-like network structure; Master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port;
The data sending terminal mouth of master device is connected to the data receiver port of first set slave station equipment, the data sending terminal mouth of first set slave station equipment is connected to the data receiver port of the second cover slave station equipment, the like, the data sending terminal mouth of last a set of slave station equipment is connected to the data receiver port of master device; So connect in turn, form a closed ring-like network structure.
5. Industry Control loop network system according to claim 4, it is characterized in that master device and slave station equipment include: at least one data sending terminal mouth, at least one data receiver port, communication module, CPU module, communication module connection data transmit port and data receiver port, the CPU module of master device connects the communication module of master device;
Data sending terminal mouth, for sending data-signal to the master device be connected with this equipment or slave station equipment;
Data receiver port, for receiving the data-signal that the master device that is connected with this equipment or slave station equipment send;
Communication module is used for the master device that is connected with this equipment or slave station equipment communicates;
The CPU module of master device uses as the CPU module of described Industry Control loop network system, and the CPU module of slave station equipment is reserved module.
6. Industry Control loop network system according to claim 4, is characterized in that described master device and slave station equipment connect into a closed ring network structure by following bus one of at least: optical fiber, high speed cable.
7. Industry Control loop network system according to claim 5, is characterized in that communication module comprises data processing module, data reception module, data transmission blocks, data processing module connection data receiver module and data transmission blocks; Data reception module connection data receiving port, data transmission blocks connection data transmit port; Data processing module is used for data processing.
8. the network-building method of Industry Control loop network system, is characterized in that carrying out networking to Industry Control loop network system, comprises the steps:
(1), choose the master device and slave station equipment that need to carry out networking, wherein, master device is a set of, and slave station equipment is at least a set of, and master device and slave station equipment connect to form a closed ring-like network structure in turn;
(2), the data sending terminal mouth of master device is connected to the data receiver port of first set slave station equipment by bus, the data sending terminal mouth of first set slave station equipment is connected to the data receiver port of the second cover slave station equipment by bus, the like, the data sending terminal mouth of last a set of slave station equipment is connected to the data receiver port of master device by bus;
(3), communication module, for communicating with described master device or slave station equipment;
(4), the CPU module of master device uses as the CPU module of described Industry Control loop network system, and the CPU module of slave station equipment is reserved module.
9. the network-building method of Industry Control loop network system according to claim 8, is characterized in that bus is optical fiber or is high speed cable.
10. the network-building method of Industry Control loop network system according to claim 8, is characterized in that communication module comprises data transmission blocks, data reception module, data processing module;
Data transmission blocks and data reception module: carry out transfer of data for the master device that is connected with this equipment or slave station equipment;
Data processing module: for data processing.
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| CN201510336014.5A CN105049312A (en) | 2015-06-17 | 2015-06-17 | Industrial control ring network system and networking method thereof |
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| CN201510336014.5A CN105049312A (en) | 2015-06-17 | 2015-06-17 | Industrial control ring network system and networking method thereof |
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| CN105591699A (en) * | 2016-02-24 | 2016-05-18 | 山东超越数控电子有限公司 | Double-ring optical network communication method and networking used for industrial control field |
| CN106130640A (en) * | 2016-06-17 | 2016-11-16 | 中车株洲电力机车研究所有限公司 | The means of communication of a kind of master-slave type fiber optic network and device |
| CN108809791A (en) * | 2018-07-05 | 2018-11-13 | 福州福大海矽微电子有限公司 | A kind of more equipment loop configuration communication means and system |
| CN108919762A (en) * | 2018-07-06 | 2018-11-30 | 东莞市李群自动化技术有限公司 | Control method and device based on Industrial Ethernet |
| WO2020048411A1 (en) * | 2018-09-07 | 2020-03-12 | 中国矿业大学 | Communication method of communication system |
| CN111817940A (en) * | 2020-09-11 | 2020-10-23 | 之江实验室 | Industrial control ring network system, ring network control protocol and implementation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105591699A (en) * | 2016-02-24 | 2016-05-18 | 山东超越数控电子有限公司 | Double-ring optical network communication method and networking used for industrial control field |
| CN106130640A (en) * | 2016-06-17 | 2016-11-16 | 中车株洲电力机车研究所有限公司 | The means of communication of a kind of master-slave type fiber optic network and device |
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| CN108809791A (en) * | 2018-07-05 | 2018-11-13 | 福州福大海矽微电子有限公司 | A kind of more equipment loop configuration communication means and system |
| CN108809791B (en) * | 2018-07-05 | 2020-10-13 | 福州福大海矽微电子有限公司 | Multi-device ring structure communication method and system |
| CN108919762A (en) * | 2018-07-06 | 2018-11-30 | 东莞市李群自动化技术有限公司 | Control method and device based on Industrial Ethernet |
| CN108919762B (en) * | 2018-07-06 | 2021-05-25 | 东莞市李群自动化技术有限公司 | Control method and device based on industrial Ethernet |
| WO2020048411A1 (en) * | 2018-09-07 | 2020-03-12 | 中国矿业大学 | Communication method of communication system |
| CN111817940A (en) * | 2020-09-11 | 2020-10-23 | 之江实验室 | Industrial control ring network system, ring network control protocol and implementation method thereof |
| CN111817940B (en) * | 2020-09-11 | 2021-01-05 | 之江实验室 | Industrial control ring network system and implementation method thereof |
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