CN102130760A - 12-path eBus redundant bus communication device - Google Patents
12-path eBus redundant bus communication device Download PDFInfo
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- CN102130760A CN102130760A CN2010105823280A CN201010582328A CN102130760A CN 102130760 A CN102130760 A CN 102130760A CN 2010105823280 A CN2010105823280 A CN 2010105823280A CN 201010582328 A CN201010582328 A CN 201010582328A CN 102130760 A CN102130760 A CN 102130760A
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Abstract
The invention discloses a 12-path eBus redundant bus communication device which comprises a group of three host communication interfaces, three communication main processors, three bus division controllers and a group of 12 redundant data communication interfaces, wherein a host communication interface is used for sending and receiving the data of the communication main processors to a host end; the communication main processors are used for sending the data sent by the host to the 12 redundant data communication interfaces, receiving data from the 12 data communication interfaces and returning the data to the host; the bus division controllers are used for selecting one data interface from the 12 redundant data communication interfaces; and the 12 redundant data communication interfaces are used for communicating with data on an eBus bus node. The three communication main processors perform parallel data communication and are used for data check, failure judgment of the redundant bus and automatic switch to reduce the host load. Through the invention, each bus has a redundancy function, and the stability and real-time performance of the system are improved.
Description
Technical field
The present invention relates to a kind of multiple bus communicator, specifically a kind of 12 road eBus redundant bus communicators.
Background technology
Traditional controller with the IO bus less, be generally 2 the road or 4 the tunnel, on every bus with the IO module less, and every IO bus is monobus, do not possess redundancy feature.Along with fired power generating unit scale and complicated day by day; the field apparatus of power plant is more and more; need to drop into more IO module and connect these field apparatuss; also just need the more control device to connect the IO module and carry out the IO bus communication; the influence that this variation brings has: 1) increased the quantity of DPU, increased the total cost of DPU.2) network size becomes big, influences network stabilization.3) every road IO bus traffic increase influences real-time.4) every road IO bus traffic increase is in case 1 IO module fault can influence other modules on the bus.Traditional in addition controller uses independently IO communication module usually, controller and IO communication module are by network service, IO communication module and IO module communicate by the IO bus, and multistage network and bus structures have influenced the real-time of system, influence system stability.
Summary of the invention
In order to overcome the problem of the IO bus existence in the traditional control system (DCS), the purpose of this invention is to provide a kind of 12 road eBus redundant bus communicators, this 12 road eBus redundant bus communicator is a kind of multichannel redundant bus communicator, 12 road IO buses are provided, every bus is a redundancy feature all, has improved the stability and the real-time of system.
The objective of the invention is to be achieved through the following technical solutions:
A kind of 12 road eBus redundant bus communicators is characterized in that: this device comprises first host communication interface, second host communication interface, the 3rd host communication interface, the first communication primary processor, second communication primary processor, third communication primary processor, first bus controller, second bus shunt controller, the 3rd bus shunt controller and one group of 12 redundant data communication interface along separate routes; Described first host communication interface is connected with the first redundant data communication interface, the second redundant data communication interface, triple redundance data communication interface, the 4th redundant data communication interface by the first communication primary processor, first bus shunt controller; Second host communication interface is connected with the 5th redundant data communication interface, the 6th redundant data communication interface, the 7th redundant data communication interface, the 8th redundant data communication interface by second communication primary processor, second bus shunt controller; The 3rd host communication interface is connected with the 9th redundant data communication interface, the tenth redundant data communication interface, the 11 redundant data communication interface, the 12 redundant data communication interface by third communication primary processor, the 3rd bus shunt controller.
Among the present invention, the first communication primary processor is responsible for the data communication of first to fourth redundant data communication interface and is handled; The second communication primary processor is responsible for the data communication of the 5th to the 8th redundant data communication interface and is handled; Third communication primary processor is responsible for the data communication of the 9th to the 12 redundant data communication interface and is handled.
Among the present invention, described one group totally ten two redundant data communication interfaces all have redundancy feature.Every road redundant data communication interface comprises the links that two of A, B are redundant each other, and when 1 link failure wherein, communicator can use other 1 link to communicate automatically.
Among the present invention, host communication interface is responsible for the data of communication primary processor are sent and receive host side, the communication primary processor is responsible for the data that main frame sends over are sent to ten two tunnel redundant data communication interfaces and accept data from 12 circuit-switched data communication interfaces returning to main frame, bus along separate routes controller be responsible for selecting the wherein circuit-switched data interface of ten two tunnel redundant data communication interfaces, ten two tunnel redundant data communication interfaces be responsible for and the eBus bus node on data communicate.Three communication primary processors carry out parallel data communication, are responsible for data check, redundant bus fault judgement and automatic switchover, alleviate main unit load.
The present invention adopts 3 processor concurrent working modes, realizes the parallel data transmission of IO bus.Wherein per 4 buses are 1 group, totally 3 groups, but every group of IO bus parallel communications improved the real-time of IO bus.This communicator is direct-connected by the CPU of parallel local bus and controller, has improved stability and real-time.Controller connects this unnecessary redundant bus communicator can possess 12 road eBus redundant bus communication functions.Every road eBus redundant bus comprises 2 redundant each other links, and when 1 link failure wherein, communicator can automatic failure judgement, and automatically switches to other 1 link and communicate.Parallel efficiently local bus interface possess 3 road parallel controller communication interfaces, and every road control unit interface is used local parallel bus.The self-diagnostic function in evening can monitor the state of 12 road eBus redundant bus and each IO module state by host communication interface.
The present invention has following advantage:
(1) adopts 12 road bus parallel working methods, realize redundant data transmission.
(2) adopt local parallel bus to be connected, improve the stability and the real-time of communicator with controller.
(3) adopt 3 groups of bus parallel communication work modes, improve data communication efficient.
(4) perfect self-diagnostic function can monitor IO module state on 12 tunnel buses by local bus interface.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a system of the present invention connection layout.
Embodiment
A kind of 12 road eBus redundant bus communicators of the present invention, see Fig. 1, this device comprises first host communication interface 1, second host communication interface 2, the 3rd host communication interface 3, the first communication primary processor 4, second communication primary processor 5, third communication primary processor 6, first bus controller 7, second bus shunt controller 8, the 3rd bus shunt controller 9 and one group of 12 redundant data communication interface along separate routes.First host communication interface 1 is connected with the first redundant data communication interface 10, the second redundant data communication interface 11, triple redundance data communication interface 12, the 4th redundant data communication interface 13 by the first communication primary processor 4, first bus shunt controller 7 successively.Second host communication interface 2 is connected with the 5th redundant data communication interface 14, the 6th redundant data communication interface 15, the 7th redundant data communication interface 16, the 8th redundant data communication interface 17 by second communication primary processor 5, second bus shunt controller 8 successively.The 3rd host communication interface 3 is connected with the 9th redundant data communication interface 18, the tenth redundant data communication interface the 19, the 11 redundant data communication interface the 20, the 12 redundant data communication interface 21 by third communication primary processor 6, the 3rd bus shunt controller 9 successively.
Host communication interface is responsible for the data of communication primary processor are sent and receive host side, the communication primary processor is responsible for the data that main frame sends over are sent to ten two tunnel redundant data communication interfaces and accept data from 12 circuit-switched data communication interfaces returning to main frame, bus along separate routes controller be responsible for selecting the wherein circuit-switched data interface of ten two tunnel redundant data communication interfaces, ten two tunnel redundant data communication interfaces be responsible for and the eBus bus node on data communicate.Three communication primary processors carry out parallel data communication, are responsible for data check, redundant bus fault judgement and automatic switchover, alleviate main unit load.
Fig. 2 is a system of the present invention connection layout, and the present invention specifies as follows:
Adopt 12 road bus parallel working methods, realize redundant data transmission.
Because the IO module will and be given controller by data transmission channel and handle the on-the-spot various signals that collect, so that the operating state of on-the-spot each equipment of understanding that controller can be real-time and on-the-spot each equipment of control.So the reliability of data transmission channel is extremely important, this bus communication device has adopted 12 road bus parallel working methods, and every road bus comprises 2 links.When 1 tunnel bus wherein a link breaks down owing to meeting accident the time, the data transmission channel of whole system still can be normally unimpeded, the wherein link failure to 1 tunnel bus that occurs carries out alarm simultaneously.
Adopt local parallel bus to be connected, improve the stability and the real-time of communicator with controller.
Because eBus redundancy communication device possesses 12 the road and is same as the bus communication device, also need corresponding high-speed communication speed and controller to communicate and do not form communication performance bottleneck, communicator uses local parallel bus to be connected with controller, this just requires to advance in the controller rather than by network to be independent of in the whole system with communicator is integrated, avoid network failure, power failure and communication speed to cross and formed communication performance bottleneck slowly, improved the stability and the real-time of communicator.
Adopt 3 groups of bus parallel communication work modes, improve data communication efficient.
In the redundancy communication device, totally 3 groups of bus communication passages, every group communication passage is supported 4 road eBus redundant bus communicators and separate host communication interface.3 groups of bus parallel work are 3 times of speed of the total new traffic of tradition.The communication processor of every group of bus carries out bus communication by the bus shunt controller of correspondence.
Perfect self-diagnostic function can monitor IO module state on 12 tunnel buses by local bus interface.
Has perfect self-diagnostic function in the redundancy communication device, controller can onlinely be read A, the B link communication state of every IO module, the current communication link of every IO module, the redundancy communication state of whole piece bus etc. are for the operating Performance Evaluation of product provides reference data.
Claims (5)
1. eBus redundant bus communicator is characterized in that: this device comprises first host communication interface (1), second host communication interface (2), the 3rd host communication interface (3), the first communication primary processor (4), second communication primary processor (5), third communication primary processor (6), first bus controller (7), second bus controller (8), the 3rd bus controller (9) and one group of 12 redundant data communication interface along separate routes along separate routes along separate routes; Described first host communication interface (1) is connected with the first redundant data communication interface (10), the second redundant data communication interface (11), triple redundance data communication interface (12), the 4th redundant data communication interface (13) by the first communication primary processor (4), first bus shunt controller (7); Second host communication interface (2) is connected with the 5th redundant data communication interface (14), the 6th redundant data communication interface (15), the 7th redundant data communication interface (16), the 8th redundant data communication interface (17) by second communication primary processor (5), second bus shunt controller (8); The 3rd host communication interface (3) is connected with the 9th redundant data communication interface (18), the tenth redundant data communication interface (19), the 11 redundant data communication interface (20), the 12 redundant data communication interface (21) by third communication primary processor (6), the 3rd bus shunt controller (9).
2. 12 road eBus redundant bus communicators according to claim 1 is characterized in that: first host communication interface (1), second host communication interface (2) and the 3rd host communication interface (3) parallel communication interface for working simultaneously.
3. 12 road eBus redundant bus communicators according to claim 1 is characterized in that: first host communication interface (1), second host communication interface (2) and the 3rd host communication interface (3) are all passed through by local parallel bus and controller.
4. 12 road eBus redundant bus communicators according to claim 1 is characterized in that: the first communication primary processor (4), second communication primary processor (5), third communication primary processor (6) parallel running.
5. 12 road eBus redundant bus communicators according to claim 1 is characterized in that: every road eBus redundant bus comprises two redundant each other links of A, B, and has fault judgement and automatic switching function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105823280A CN102130760A (en) | 2010-12-10 | 2010-12-10 | 12-path eBus redundant bus communication device |
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| CN2010105823280A CN102130760A (en) | 2010-12-10 | 2010-12-10 | 12-path eBus redundant bus communication device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543715A (en) * | 2013-10-10 | 2014-01-29 | 上海发电设备成套设计研究院 | Three-plus-one redundancy control communication bus method for triplex redundancy control system |
| CN105527898A (en) * | 2015-12-21 | 2016-04-27 | 浙江中控技术股份有限公司 | Triplex controller communication system and method |
| CN107656887A (en) * | 2016-07-25 | 2018-02-02 | 中兴通讯股份有限公司 | The control device and method of peripheral bus |
| CN110266543A (en) * | 2019-06-27 | 2019-09-20 | 浪潮商用机器有限公司 | A kind of server high-speed bus communications system |
| CN115913817A (en) * | 2023-01-28 | 2023-04-04 | 南京芯驰半导体科技有限公司 | Multi-channel virtualization bus system, control method, chip and electronic equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543715A (en) * | 2013-10-10 | 2014-01-29 | 上海发电设备成套设计研究院 | Three-plus-one redundancy control communication bus method for triplex redundancy control system |
| CN105527898A (en) * | 2015-12-21 | 2016-04-27 | 浙江中控技术股份有限公司 | Triplex controller communication system and method |
| CN105527898B (en) * | 2015-12-21 | 2018-09-18 | 浙江中控技术股份有限公司 | A kind of triple modular redundant communication system and method |
| CN107656887A (en) * | 2016-07-25 | 2018-02-02 | 中兴通讯股份有限公司 | The control device and method of peripheral bus |
| CN110266543A (en) * | 2019-06-27 | 2019-09-20 | 浪潮商用机器有限公司 | A kind of server high-speed bus communications system |
| CN115913817A (en) * | 2023-01-28 | 2023-04-04 | 南京芯驰半导体科技有限公司 | Multi-channel virtualization bus system, control method, chip and electronic equipment |
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Application publication date: 20110720 |