CN103581053A - Long-distance Ethernet real-time data transceiving communication module - Google Patents
Long-distance Ethernet real-time data transceiving communication module Download PDFInfo
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- CN103581053A CN103581053A CN201310408256.1A CN201310408256A CN103581053A CN 103581053 A CN103581053 A CN 103581053A CN 201310408256 A CN201310408256 A CN 201310408256A CN 103581053 A CN103581053 A CN 103581053A
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Abstract
The invention relates to the technical field of long-distance Ethernet real-time data transceiving, in particular to a long-distance Ethernet real-time data transceiving communication module. According to the scheme, a DSP is arranged at each processing hub of the scene, and the DSP forms a first storage, a second storage and an either-or receiving numerical value by programming. According to the communication module, an original router is isolated from a long-distance Ethernet data looped network, so that the unblocked performance of transmitting of data on the Ethernet is ensured, and the processes of verification, storage, transmitting and waiting every time the data pass through one processing hub are removed. Meanwhile, the real-time control information in the long-distance Ethernet data looped network can be utilized for disposing the data traffic and the level of each processing hub, and the real-time performance of long-distance Ethernet data on a loop is ensured from the combination of hardware and software.
Description
Technical field
The present invention relates to the Long Range Ethernet data transmit-receive technical field in network, be specifically related to Long Range Ethernet real time data transmitting-receiving communication module.
Background technology
Long Range Ethernet is a kind of network, utilizes this network and to be distributed between the equipment of each website of industry spot in control centre Long Range Ethernet data transmit-receive is provided, and to realize its communication protocol, adopts UDP.
At present, Long Range Ethernet all adopts the way that is distributed in the Long Range Ethernet router level connection composition control network of on-the-spot each website, and the Long Range Ethernet router of website has just carried out some improvement in performance on original civilian Long Range Ethernet router base, the data transmit-receive of whole network is to rely on each ethernet router relay to send to realize.So data can be through checking when through each Long Range Ethernet router, storage, sends, and the process of wait, produces larger wait.When network processes hinge number increases, the time that data are waited in transmitting-receiving process is longer, thereby real-time is poor.Therefore, on-the-spot in Industry Control, the real-time of controlling data transmit-receive is the parameter of Long Range Ethernet data transmit-receive.For this reason, the real-time that how to improve existing Long Range Ethernet data transmit-receive is the problem that the present invention studies.
Summary of the invention
The invention provides a kind of Long Range Ethernet real time data transmitting-receiving communication module, its objective is and will solve existing Long Range Ethernet data transmit-receive real time problems, the wait of industrial control data being processed to the transmitting-receiving of hinge through each router in Long Range Ethernet network drops to minimum, greatly improves the real-time that network data sends.
For achieving the above object, the technical solution used in the present invention is: a kind of Long Range Ethernet real time data transmitting-receiving communication module, comprise Long Range Ethernet and be located at the Long Range Ethernet router that Long Range Ethernet is respectively processed hinge place, its innovation is: at each Long Range Ethernet, process hinge place and be provided with DSP, this DSP comprises first memory by programming, second memory and an alternative receive numerical value, wherein, the data-in port of first memory connects through interface communication module the data-out port that hinge is processed in a upper exchange, for storing one, process the data queue that hinge transmits, the data-out port of first memory connects the first input end mouth that alternative receives numerical value on the one hand, the data-in port that connects on the other hand the Long Range Ethernet router of this processing hinge, the data-in port of second memory connects the data-out port of the Long Range Ethernet router of this processing hinge, the data queue of transmitting for storage router, the data-out port of second memory connects the second input port that alternative receives numerical value, the output port that alternative receives numerical value connects through interface communication module the data-in port that next processes hinge, the Long Range Ethernet router of this processing hinge, by input/output interface and control centre's equipment or field control equipment connection, is set up Long Range Ethernet data ring network with this.
Design principle of the present invention is: this programme arranges dsp processor by respectively processing at the scene hinge place (website), and processor forms first memory, second memory and an alternative reception numerical value by programming.Communication module is isolated in original router beyond Long Range Ethernet data ring network, thereby has guaranteed the smoothness that data send on ethernet ring network, has saved often through one, to process hinge and all need checking, and storage, sends the process of wait.With the real-time control information in Long Range Ethernet data ring network, arrange data traffic and the grade that each processes hinge simultaneously, from hardware and software combination, guarantee the real-time that Long Range Ethernet data send at ring.
Accompanying drawing explanation
Accompanying drawing 1 is processed hinge real time data for Long Range Ethernet of the present invention and is received and dispatched communication module block diagram.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: shown in accompanying drawing 1, a kind of Long Range Ethernet real time data transmitting-receiving communication module, is processed and exchange Data Communication module, exchanged three and form by Long Range Ethernet, looped network.DSP receives numerical data processor by the inner formation of programming first memory first in first out 1, second memory first in first out 2 and an alternative.Wherein, the interface communication module that the phy interface that the data-in port of first memory first in first out 1 is TMB3578 by a model forms with optical transceiver module is connected with upper one data-out port of processing hinge, for storing upper one, processes the data queue that hinge transmits.The data-out port of first memory first in first out 1 connects the first input end mouth that alternative receives numerical data processor on the one hand, connects the Long Range Ethernet swap data input port that the model of this processing hinge is BCM5328 on the other hand by MII interface.The data-out port of the Long Range Ethernet exchange that the data-in port of second memory first in first out 2 and this processing hinge model are BCM5328, the data queue of transmitting for storing this Long Range Ethernet exchange, the data-out port of second memory first in first out 2 connects the second input port that alternative receives numerical data processor.The interface communication module that the phy interface that alternative reception numerical data processor output port is TMB3578 by a model and optical transceiver module form is connected with next data-in port of processing hinge.The Long Range Ethernet exchange of this processing hinge, by Medium Dependent Interface and control centre's equipment or field control equipment connection, is set up Long Range Ethernet data ring network with this.
The processor that processor is AC178 through bus interface with model is connected, and MCU microprocessor is connected with Long Range Ethernet router through SPI interface, and the computer that the network management interface that processor is MAX3222 by model is controlled with another is connected.Processor is connect the flash memory of a 4K by I2C interface.The memory that the processor of AC178 is KP3306 by interface with model is connected.
During work, the Long Range Ethernet packet of coming from fibre circuit is stored data through first memory first in first out 1 queue, and judges the flow direction of this packet, if data are invalid, abandons; Otherwise receive, send to local Long Range Ethernet exchange, and directly by alternative, to receive numerical data processor and receive on optical fiber.It is without waiting for selective reception, controlling selectively and receive on light transmitting line according to the situation of first memory first in first out 1, second memory first in first out 2 these two queues that alternative receives numerical data processor.By a fifo queue, local Long Range Ethernet data are stored, according to data level, control and wait for that to alternative, receiving numerical data processor receives.
Claims (4)
1. a Long Range Ethernet real time data is received and dispatched communication module, comprise Long Range Ethernet and be located at the Long Range Ethernet router that Long Range Ethernet is respectively processed hinge place, it is characterized in that: at each Long Range Ethernet, process hinge place and be provided with DSP, this DSP comprises first memory by programming, second memory and an alternative receive numerical value, wherein, the data-in port of first memory connects the data-out port of a upper processing hinge through interface communication module, for storing one, process the data queue that hinge transmits, the data-out port of first memory connects the first input end mouth that alternative receives numerical value on the one hand, the data-in port that connects on the other hand the Long Range Ethernet router of this processing hinge, the data-in port of second memory connects the data-out port of the Long Range Ethernet router of this processing hinge, the data queue of transmitting for storage router, the data-out port of second memory connects the second input port that alternative receives numerical value, the output port that alternative receives numerical value connects through interface communication module the data-in port that next processes hinge, the Long Range Ethernet router of this processing hinge, by input/output interface and control centre's equipment or field control equipment connection, is set up Long Range Ethernet data ring network with this.
2. Long Range Ethernet real time data according to claim 1 is received and dispatched communication module, it is characterized in that: described Long Range Ethernet transmitting line adopts optical fiber, phy interface and optical transceiver module that it is TMB3578 by model that the data-in port of first memory and upper is processed between hinge data-out port form interface communication module; Phy interface and optical transceiver module that alternative reception numerical value output port and next processing hinge data-in port are TMB3578 by model form interface communication module; The model of DSP is AC178.
3. Long Range Ethernet real time data according to claim 2 is received and dispatched communication module, it is characterized in that: also comprise the processor that model is P5507, the processor that processor is AC178 through bus interface with model is connected, processor is connected with Long Range Ethernet router through SPI interface, and the computer that the network management interface that processor is MAX3222 by model is controlled with another is connected.
4. Long Range Ethernet real time data transmitting-receiving communication module according to claim 3, is characterized in that: the model of described Long Range Ethernet router is BCM5328; Processor connects a flash memory by I2C interface; The memory that the processor of AC178 is KP3306 by interface with model is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310408256.1A CN103581053A (en) | 2013-09-10 | 2013-09-10 | Long-distance Ethernet real-time data transceiving communication module |
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| CN201310408256.1A CN103581053A (en) | 2013-09-10 | 2013-09-10 | Long-distance Ethernet real-time data transceiving communication module |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1479459A (en) * | 2003-06-26 | 2004-03-03 | 北京瑞斯康达科技发展有限公司 | Ethernet optical fiber transceiver and data transceiving method used on said tranceiver |
| CN200950596Y (en) * | 2006-06-30 | 2007-09-19 | 苏州市震旦电力科技有限公司 | Industry Ethernet real-time data transmission and switch circuit |
| US20080069014A1 (en) * | 2006-09-19 | 2008-03-20 | Scott Powell | Method and system for an extended range ethernet link discovery signaling |
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2013
- 2013-09-10 CN CN201310408256.1A patent/CN103581053A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1479459A (en) * | 2003-06-26 | 2004-03-03 | 北京瑞斯康达科技发展有限公司 | Ethernet optical fiber transceiver and data transceiving method used on said tranceiver |
| CN200950596Y (en) * | 2006-06-30 | 2007-09-19 | 苏州市震旦电力科技有限公司 | Industry Ethernet real-time data transmission and switch circuit |
| US20080069014A1 (en) * | 2006-09-19 | 2008-03-20 | Scott Powell | Method and system for an extended range ethernet link discovery signaling |
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Application publication date: 20140212 |
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