CN105791240A - Multichannel and multiprotocol channel management method and system - Google Patents
Multichannel and multiprotocol channel management method and system Download PDFInfo
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Abstract
The invention discloses a multichannel and multiprotocol channel management method and system. The multichannel and multiprotocol channel management method comprises the steps of setting multiple data transmission protocol nodes which correspond to multiple remote terminal units RTU using the data transmission protocol and setting an independent data storage region for each RTU within a preset real-time memory database, wherein the respective serial number of each RTU is in one-to-one correspondence with the independent data storage region thereof; scanning all the RTU at each data transmission protocol node one by one through a protocol scanning mode; if all the RTU have no data to be uploaded, scanning the corresponding RTU at the next data transmission protocol node one by one; if data are uploaded, positioning the independent data storage region of each RTU through the serial number thereof by adopting a search positioning algorithm; and storing the uploaded data in the region. Through the scheme, unified terminal communication of multiple communication channels, multiple communication interfaces and multiple communication protocols can be realized.
Description
Technical field
The present invention relates to power system automation technology field, particularly relate to channel management method and the system of a kind of multichannel multi-protocols.
Background technology
Front end processor is the computer foremost that the equipment outside whole system and system carries out communication.In power monitoring, dispatching patcher, communicating between various electric protection device SCADA system main frames, almost all of information will pass through front end processor.What mostly adopt due to present system is Fast Ethernet network, if so being designed to work as, data channel will not form any bottleneck at front end processor, does not interfere with the real-time of the data of whole system, causes that systemic breakdown, main website crash without because data volume is big.
And with front end processor, to be made directly the equipment (remote terminal, RTU) of communication of a great variety, and communication interface and the communication protocol of various equipment are also not quite similar.Communicate with so numerous equipment interfaces, and carry out these equipment effectively controlling in real time to bring very big difficulty to each monitoring management system.Current portions monitoring system only supports single face or single network agreement, forces equipment to adopt unified interface；Also some monitoring system adopts multiple subsystems that variety classes equipment is managed, and realizes all cumbersome with in the project implementation process in system.Further, along with increasing of each equipment vendors and device port, make the realization of monitoring system and implement more difficult.
Therefore, seek a kind of unified terminal communicating method suitable in multiple communication port, communication interface and communication protocol, to improve versatility and the suitability of monitoring system, become network equipment automatic system for monitoring manufacturer and target that power supply enterprise is pursued jointly, also monitor the enforcement of system for network automatically and maintenance brings great convenience.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes channel management method and the system of a kind of multichannel multi-protocols, it is possible to realize the unified terminal communication of multiple communication port, communication interface and communication protocol, improves versatility and the suitability of monitoring system.
In order to achieve the above object, the present invention proposes the channel management method of a kind of multichannel multi-protocols, and the method includes:
Multiple Data Transport Protocol node is set, the corresponding multiple RTU RTU using this Data Transport Protocol under each Data Transport Protocol node, for each RTU, independent data storage areas is set in preset real-time internal memory database, each RTU has the independent data storage areas one_to_one corresponding of respective device numbering, device numbering and each RTU.
By the mode that agreement scans, scan each RTU of each Data Transport Protocol node and correspondence thereof one by one, if all RTU under the Data Transport Protocol node of Current Scan upload all without data, then corresponding RTU under next Data Transport Protocol node is scanned one by one；If the RTU under the Data Transport Protocol node of Current Scan has data to upload, then adopt search location algorithm, position RTU independent data storage areas corresponding in preset real-time internal memory database by device numbering；The data uploaded by RTU store in the data storage areas that this is independent.
Preferably, the method also includes:
Remote control module receives and gathers the guidance command controlling RTU sent with supervisor control SCADA, and by guidance command with the form of the command queue independent data storage areas that to be stored in preset real-time internal memory database corresponding with this RTU, multi-protocols AM access module scan command queue, and the guidance command in command queue is sent to RTU.
Multi-protocols AM access module also regularly proposes the granting request of guidance command to remote control module.
Preferably, preset real-time internal memory database includes: FERT real-time internal memory database district and SCI real-time internal memory database district.
FERT real-time internal memory database district includes command storage unit and data storage cell.
Wherein, command storage unit, for storing the command queue of guidance command；Data storage cell is for storing the RTU data uploaded；Data include the RTU return result to guidance command and the Real-time Monitoring Data about RTU.
Independent data storage areas corresponding for each RTU includes command storage unit and data storage cell, and data storage cell is divided into again return result memory element and Monitoring Data memory element；Return result memory element for storing the RTU return result to guidance command；Monitoring Data memory element is for storing the Real-time Monitoring Data about RTU.
SCI real-time internal memory database district, for the accessed time by recording the data uploaded.
Preferably, adopt search location algorithm, position independent data storage areas corresponding in preset real-time internal memory database for RTU by device numbering to include: judge the data type of data, determine the original position of data according to preset data type number, determine device numbering by original position；RTU independent data storage areas corresponding in preset real-time internal memory database is determined according to the location index between device numbering and the RTU pre-build and independent data storage areas；And specifically store position according to what point value numbering determined data.
Preferably, the method also includes: SCADA sends the guidance command of RTU with the form of mail；Mail includes: email type, command type, described RTU numbering, described point value numbering, order.
Preferably, method also includes: when the mode scanned by agreement scans each Data Transport Protocol node one by one, it is respectively provided with its corresponding a kind of agreement scanning thread for each Data Transport Protocol node, and RTU corresponding under Data Transport Protocol node belongs to agreement scanning thread supervision, if the node of the Data Transport Protocol that newly added RTU uses exists, the agreement scanning thread of the Data Transport Protocol node that RTU then adds its correspondence is supervised, if the node of the Data Transport Protocol that newly added RTU uses is absent from, the then Data Transport Protocol node corresponding to newly-built newly added RTU, and set up new agreement scanning thread, use new agreement scanning thread that newly added RTU is supervised.
The present invention also proposes the channel management system of a kind of multichannel multi-protocols, and this system includes: arrange module, multi-protocols AM access module.
Module is set, for arranging multiple Data Transport Protocol node, the corresponding multiple RTU RTU using this Data Transport Protocol under each Data Transport Protocol node, for each RTU, independent data storage areas is set in preset real-time internal memory database, respective device numbering is set for each RTU, makes the independent data storage areas one_to_one corresponding of device numbering and each RTU.
Multi-protocols AM access module, for the mode scanned by agreement, scan each RTU of each Data Transport Protocol node and correspondence thereof one by one, if all RTU under the Data Transport Protocol node of Current Scan upload all without data, then corresponding RTU under next Data Transport Protocol node is scanned one by one；If the RTU under the Data Transport Protocol node of Current Scan has data to upload, then adopt search location algorithm, position RTU independent data storage areas corresponding in preset real-time internal memory database by device numbering；The data uploaded by RTU store in the data storage areas that this is independent.
Preferably, this system also includes remote control module.
Remote control module, gathers, for receiving, the guidance command controlling RTU sent with supervisor control SCADA, and is stored in preset real-time internal memory database with the form of command queue by guidance command.
Multi-protocols AM access module, is additionally operable to scan command queue, and sends the guidance command in command queue to RTU.
Multi-protocols AM access module, is additionally operable to regularly propose the granting request of guidance command to remote control module.
Preferably, this system also includes real-time internal memory database and builds module, for building real-time internal memory database in advance.
Real-time internal memory database includes: FERT real-time internal memory database district and SCI real-time internal memory database district.
FERT real-time internal memory database district includes command storage unit and data storage cell.
Wherein, command storage unit, for storing the command queue of guidance command；Data storage cell is for storing the RTU data uploaded；Data include the RTU return result to guidance command and the Real-time Monitoring Data about RTU.
Independent data storage areas corresponding for each RTU includes command storage unit and data storage cell, and data storage cell is divided into again return result memory element and Monitoring Data memory element；Return result memory element for storing the RTU return result to guidance command；Monitoring Data memory element is for storing the Real-time Monitoring Data about RTU.
SCI real-time internal memory database district, for the accessed time by recording the data uploaded.
Preferably, multi-protocols AM access module is additionally operable to: judge the data type of data, determines the original position of data according to preset data type number, determines device numbering by original position；RTU independent data storage areas corresponding in preset real-time internal memory database is determined according to the location index between device numbering and the RTU pre-build and independent data storage areas；And specifically store position according to what point value numbering determined data.
Preferably, arrange module to be additionally operable to: when the mode scanned by agreement scans each Data Transport Protocol node one by one, it is respectively provided with its corresponding a kind of agreement scanning thread for each Data Transport Protocol node, and RTU corresponding under Data Transport Protocol node belongs to agreement scanning thread supervision, if the node of the Data Transport Protocol that newly added RTU uses exists, the agreement scanning thread of the Data Transport Protocol node that RTU then adds its correspondence is supervised, if the node of the Data Transport Protocol that newly added RTU uses is absent from, the then Data Transport Protocol node corresponding to newly-built newly added RTU, and set up new agreement scanning thread, use new agreement scanning thread that newly added RTU is supervised.
Compared with prior art, the present invention includes: arrange multiple Data Transport Protocol node, the corresponding multiple RTU RTU using this Data Transport Protocol under each Data Transport Protocol node, for each RTU, independent data storage areas is set in preset real-time internal memory database, each RTU has the independent data storage areas one_to_one corresponding of respective device numbering, device numbering and each RTU.By the mode that agreement scans, scan each RTU of each Data Transport Protocol node and correspondence thereof one by one, if all RTU under the Data Transport Protocol node of Current Scan upload all without data, then corresponding RTU under next Data Transport Protocol node is scanned one by one；If the RTU under the Data Transport Protocol node of Current Scan has data to upload, then adopt search location algorithm, position RTU independent data storage areas corresponding in preset real-time internal memory database by device numbering；The data uploaded by RTU store in the data storage areas that this is independent.Pass through the solution of the present invention, it is possible to realize the unified terminal communication of multiple communication port, communication interface and communication protocol, improve versatility and the suitability of monitoring system.
Accompanying drawing explanation
Below the accompanying drawing in the embodiment of the present invention being illustrated, the accompanying drawing in embodiment is for a further understanding of the present invention, is used for explaining the present invention, is not intended that limiting the scope of the invention together with description.
Fig. 1 is the channel management method flow chart of the multichannel multi-protocols of the present invention；
Fig. 2 is the channel management system block diagram of the multichannel multi-protocols of the present invention.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the invention will be further described, can not be used for limiting the scope of the invention.
It is desirable to provide a kind of cross-platform multichannel multi-protocols channel management method, to be solved technical problem is that, distinct interface and use agreement thereof for the various remote data terminals in network, including SC1801 agreement, IEC870-5-101 agreement, IEC870-5-103 agreement, CDT promulgated by the ministries or commissions of the Central Government etc., adopt the communication means of concrete equipment institute supported protocol to monitoring.The method is that each telecommunication equipment opens independent communication thread, for different communication ports and communication protocol, uses concrete communication means and communication protocol, completes monitoring system and multiple remote monitor device and communicates the function of monitoring simultaneously.Meanwhile, in the server memory of monitoring system place, independent communication buffer is opened up for each remote transmission unit, all communication buffers constitute memory information data base, to solve when telecommunication equipment is more, database access bottleneck, improve the real-time of data monitoring access.Adopt the method, can greatly improve the practicality mutual from the remote transmission device of multiple different transmission channels Yu host-host protocol, real-time and reliability, reducing the workload of Monitoring system development personnel and the project implementation and attendant, the monitoring for multiple remote data terminal provides powerful technique support.
Specifically, the present invention proposes the channel management method of a kind of multichannel multi-protocols, as it is shown in figure 1, the method includes:
S101, multiple Data Transport Protocol node is set, the corresponding multiple RTU RTU using this Data Transport Protocol under each Data Transport Protocol node, for each RTU, independent data storage areas is set in preset real-time internal memory database, each RTU has the independent data storage areas one_to_one corresponding of respective device numbering, device numbering and each RTU.
Preferably, preset real-time internal memory database includes: FERT real-time internal memory database district and SCI real-time internal memory database district.
FERT real-time internal memory database district includes command storage unit and data storage cell.
Wherein, command storage unit, for storing the command queue of guidance command；Data storage cell is for storing the RTU data uploaded；Data include the RTU return result to guidance command and the Real-time Monitoring Data about RTU.
Independent data storage areas corresponding for each RTU includes command storage unit and data storage cell, and data storage cell is divided into again return result memory element and Monitoring Data memory element；Return result memory element for storing the RTU return result to guidance command；Monitoring Data memory element is for storing the Real-time Monitoring Data about RTU.
SCI real-time internal memory database district, for the accessed time by recording the data uploaded.It is used for detecting the effectiveness of data.
S102, the mode scanned by agreement, scan each RTU of each Data Transport Protocol node and correspondence thereof one by one, if all RTU under the Data Transport Protocol node of Current Scan upload all without data, then corresponding RTU under next Data Transport Protocol node is scanned one by one；If the RTU under the Data Transport Protocol node of Current Scan has data to upload, then adopt search location algorithm, position RTU independent data storage areas corresponding in preset real-time internal memory database by device numbering；The data uploaded by RTU store in the data storage areas that this is independent.
Preferably, the method also includes:
Remote control module receives and gathers the guidance command controlling RTU sent with supervisor control SCADA, and by guidance command with the form of the command queue independent data storage areas that to be stored in preset real-time internal memory database corresponding with RTU, multi-protocols AM access module scan command queue, and the guidance command in command queue is sent to RTU.
Multi-protocols AM access module also regularly proposes the granting request of guidance command to remote control module.
Multi-protocols AM access module also provides acquisition Message Service respectively, obtains the services such as Debugging message service, Acquisition channel, equipment state to other module.
In order to ensure the real-time of system, the present invention devises data that RTU uploads by the special search location algorithm concrete storage position in implementing memory database and has positioned.
Preferably, adopt search location algorithm, position independent data storage areas corresponding in preset real-time internal memory database for RTU by device numbering to include: judge the data type of data, determine the original position of data according to preset data type number, determine device numbering by original position；RTU independent data storage areas corresponding in preset real-time internal memory database is determined according to the location index between device numbering and the RTU pre-build and independent data storage areas；And specifically store position according to what point value numbering determined data.
In Automated condtrol, variable point referred to as point, the variable number used in automation control system becomes counts.
Point table mostly and device-dependent, for characterizing the service condition of each variable in system.Point table is as equipment supplier, software supplier, the important evidence of system integrator and consensus standard, and the construction of whole automation control system is all with the description of variable in a table and is defined as basis and builds.Generally, each variable can have the related contents such as unique variable name of correspondence, implementor name, device address, depositor, register address.
Preferably, the method also includes: SCADA sends the guidance command of RTU with the form of mail；Mail includes: email type, command type, RTU numbering, point value numbering, order.
Due to the randomness of order, these orders provide with mail he.Mail structure is customized for " No. RTU | period | the order of email type | command type | ", and order mail stores with the form of mail queue, controls each RTU by this mail queue.Due to the sharing of mail queue's data, the locking mechanisms of mail queue must be set, it is to avoid reading and writing data with write write conflict.
Preferably, method also includes: when the mode scanned by agreement scans each Data Transport Protocol node one by one, it is respectively provided with its corresponding a kind of agreement scanning thread for each Data Transport Protocol node, and RTU corresponding under Data Transport Protocol node belongs to agreement scanning thread supervision, if the node of the Data Transport Protocol that newly added RTU uses exists, the agreement scanning thread of the Data Transport Protocol node that RTU then adds its correspondence is supervised, if the node of the Data Transport Protocol that newly added RTU uses is absent from, the then Data Transport Protocol node corresponding to newly-built newly added RTU, and set up new agreement scanning thread, use new agreement scanning thread that newly added RTU is supervised.
The present invention also proposes the channel management system 01 of a kind of multichannel multi-protocols, as in figure 2 it is shown, this system includes: arrange module 02, multi-protocols AM access module 03.
Module 02 is set, for arranging multiple Data Transport Protocol node, the corresponding multiple RTU RTU using this Data Transport Protocol under each Data Transport Protocol node, for each RTU, independent data storage areas is set in preset real-time internal memory database, respective device numbering is set for each RTU, makes the independent data storage areas one_to_one corresponding of device numbering and each RTU.
Multi-protocols AM access module 03, for the mode scanned by agreement, scan each RTU of each Data Transport Protocol node and correspondence thereof one by one, if all RTU under the Data Transport Protocol node of Current Scan upload all without data, then corresponding RTU under next Data Transport Protocol node is scanned one by one；If the RTU under the Data Transport Protocol node of Current Scan has data to upload, then adopt search location algorithm, position RTU independent data storage areas corresponding in preset real-time internal memory database by device numbering；The data uploaded by RTU store in the data storage areas that this is independent.
Preferably, this system also includes remote control module 04.
Remote control module 04, gathers, for receiving, the guidance command controlling RTU sent with supervisor control SCADA, and is stored in preset real-time internal memory database with the form of command queue by guidance command.
Multi-protocols AM access module 03, is additionally operable to scan command queue, and sends the guidance command in command queue to RTU.
Multi-protocols AM access module 03, is additionally operable to regularly propose the granting request of guidance command to remote control module.
Preferably, this system also includes real-time internal memory database and builds module 05, for building real-time internal memory database in advance.
Real-time internal memory database includes: FERT real-time internal memory database district and SCI real-time internal memory database district.
FERT real-time internal memory database district includes command storage unit and data storage cell.
Wherein, command storage unit, for storing the command queue of guidance command；Data storage cell is for storing the RTU data uploaded；Data include the RTU return result to guidance command and the Real-time Monitoring Data about RTU.
Independent data storage areas corresponding for each RTU includes command storage unit and data storage cell, and data storage cell is divided into again return result memory element and Monitoring Data memory element；Return result memory element for storing the RTU return result to guidance command；Monitoring Data memory element is for storing the Real-time Monitoring Data about RTU.
SCI real-time internal memory database district, for the accessed time by recording the data uploaded.
Preferably, multi-protocols AM access module 03 is additionally operable to: judge the data type of data, determines the original position of data according to preset data type number, determines device numbering by original position；RTU independent data storage areas corresponding in preset real-time internal memory database is determined according to the location index between device numbering and the RTU pre-build and independent data storage areas；And specifically store position according to what point value numbering determined data.
Preferably, arrange module 02 to be additionally operable to: when the mode scanned by agreement scans each Data Transport Protocol node one by one, it is respectively provided with its corresponding a kind of agreement scanning thread for each Data Transport Protocol node, and RTU corresponding under Data Transport Protocol node belongs to agreement scanning thread supervision, if the node of the Data Transport Protocol that newly added RTU uses exists, the agreement scanning thread of the Data Transport Protocol node that RTU then adds its correspondence is supervised, if the node of the Data Transport Protocol that newly added RTU uses is absent from, the then Data Transport Protocol node corresponding to newly-built newly added RTU, and set up new agreement scanning thread, use new agreement scanning thread that newly added RTU is supervised.
The positive effect of the present invention is in that: the method can according to practical situation, it is adaptable to manages the RTU of multiple distinct interface different communication protocol, adjusts dynamically according to the interface type of equipment and protocol type.And by the design of special memory database, make it the real-time situation monitoring multiple RTU, it is possible to have better real-time and practicality than the operation of general data storehouse.These features make the exploitation of the monitoring system of multiple different types of RTU easier, also drastically increase the practicality of monitoring system simultaneously.
Specifically, the present invention has a characteristic that
1, remote device monitoring system can be made more easily to monitor the situation of multiple remote equipment, multiple transmission channel or different agreement interface, in real time transmission of monitoring data and control data.
2, by designing special memory database, the real time information of the equipment that cache management system is monitored in internal memory, the storage making data is pointed, improves data storage efficiency；Design specific multi-protocols AM access module and specific equipment control command, improve the efficiency of transmission of monitoring data, also improve the accuracy of control；The real-time of the Real-time ensuring technology of memory database data and effectiveness, make the method be more suitable for the environment that real-time is had higher requirements.
3, utilize transmission of mail information monitoring data, make system transfers safety better.Simultaneously by e-mail messages format setting be system be easier to use form, utilize the various remote control remote sensing information of this format transmission, reduce the volume of transmitted data of system, improve the efficiency of transmission of data.
4, the feature according to distinct interface agreement, design different transmission structures, remote equipment is divided into multiple kind by its interface protocol type, use identical protocol process module with interface type equipment, the internal storage data district that the distribution of each equipment is independent, this improves the extensibility of system.If there being new agreement namely to add concrete protocol module, adding new equipment only needs storage allocation data field, can simply add remote equipment in the enough situations of internal memory.
It should be noted that; embodiment described above is for only for ease of those skilled in the art and understands; it is not limited to protection scope of the present invention; under the premise without departing from the inventive concept of the present invention, those skilled in the art to the made any apparent replacement and improvement etc. of the present invention all within protection scope of the present invention.
Claims (11)
1. the channel management method of multichannel multi-protocols, it is characterised in that described method includes:
Multiple Data Transport Protocol node is set, the corresponding multiple RTU RTU using this Data Transport Protocol under each described Data Transport Protocol node, for each described RTU, independent data storage areas is set in preset real-time internal memory database, each described RTU has the independent data storage areas one_to_one corresponding of respective device numbering, described device numbering and each described RTU；
By the mode that agreement scans, scan each described RTU of each described Data Transport Protocol node and correspondence thereof one by one, if all described RTU under the described Data Transport Protocol node of Current Scan uploads all without data, then RTU corresponding under next described Data Transport Protocol node is scanned one by one；If the RTU under the described Data Transport Protocol node of Current Scan has data to upload, then adopt search location algorithm, position described RTU described independent data storage areas corresponding in described preset real-time internal memory database by described device numbering；The described data uploaded by described RTU store in this independent data storage areas.
2. the method for claim 1, it is characterised in that described method also includes:
Remote control module receives and gathers the guidance command controlling described RTU sent with supervisor control SCADA, and described guidance command is stored in described independent data storage areas corresponding with described RTU in described preset real-time internal memory database with the form of command queue, multi-protocols AM access module scans described command queue, and sends the described guidance command in described command queue to described RTU；
Described multi-protocols AM access module also regularly proposes the granting request of described guidance command to described remote control module.
3. method as claimed in claim 2, it is characterised in that described preset real-time internal memory database includes: FERT real-time internal memory database district and SCI real-time internal memory database district；
Described FERT real-time internal memory database district includes command storage unit and data storage cell；
Wherein, described command storage unit, for storing the command queue of described guidance command；Described data storage cell is for storing the described RTU described data uploaded；Described data include the described RTU return result to described guidance command and the Real-time Monitoring Data about described RTU；
Described independent data storage areas corresponding for each described RTU includes described command storage unit and described data storage cell；Described data storage cell is divided into again return result memory element and Monitoring Data memory element；Described return result memory element is for storing the described RTU return result to described guidance command；Described Monitoring Data memory element is for storing the Real-time Monitoring Data about described RTU；
Described SCI real-time internal memory database district, for the accessed time by recording the described data uploaded.
4. the method for claim 1, it is characterized in that, described employing searches for location algorithm, position described independent data storage areas corresponding in described preset real-time internal memory database for described RTU by described device numbering to include: judge the data type of described data, determine the original position of described data according to preset data type number, determine described device numbering by described original position；Described RTU described independent data storage areas corresponding in described preset real-time internal memory database is determined according to the location index between described device numbering and the described RTU pre-build and described independent data storage areas；And specifically store position according to what described point value numbering determined described data.
5. method as claimed in claim 2, it is characterised in that described method also includes: described SCADA sends the guidance command of described RTU with the form of mail；Described mail includes: email type, command type, described RTU numbering, described point value numbering, order.
null6. the method for claim 1，It is characterized in that，Described method also includes: when the mode scanned by agreement scans each described Data Transport Protocol node one by one，It is respectively provided with its corresponding a kind of agreement scanning thread for each described Data Transport Protocol node，And described RTU corresponding under described Data Transport Protocol node belongs to the scanning thread supervision of described agreement，If the node of the described Data Transport Protocol that newly added described RTU uses exists，The agreement scanning thread of the described Data Transport Protocol node that described RTU then adds its correspondence is supervised，If the node of the described Data Transport Protocol that newly added described RTU uses is absent from，The then newly-built newly added Data Transport Protocol node corresponding to described RTU，And set up new agreement scanning thread，Use described new agreement scanning thread that newly added described RTU is supervised.
7. the channel management system of multichannel multi-protocols, it is characterised in that described system includes: module, multi-protocols AM access module are set；
Described module is set, for arranging multiple Data Transport Protocol node, the corresponding multiple RTU RTU using this Data Transport Protocol under each described Data Transport Protocol node, for each described RTU, independent data storage areas is set in preset real-time internal memory database, respective device numbering is set for each described RTU, makes the independent data storage areas one_to_one corresponding of described device numbering and each described RTU；
Described multi-protocols AM access module, for the mode scanned by agreement, scan each described RTU of each described Data Transport Protocol node and correspondence thereof one by one, if all described RTU under the described Data Transport Protocol node of Current Scan uploads all without data, then RTU corresponding under next described Data Transport Protocol node is scanned one by one；If the RTU under the described Data Transport Protocol node of Current Scan has data to upload, then adopt search location algorithm, position described RTU described independent data storage areas corresponding in described preset real-time internal memory database by described device numbering；The described data uploaded by described RTU store in this independent data storage areas.
8. system as claimed in claim 7, it is characterised in that described system also includes remote control module；
Described remote control module, gathers, for receiving, the guidance command controlling described RTU sent with supervisor control SCADA, and is stored in described preset real-time internal memory database with the form of command queue by described guidance command；
Described multi-protocols AM access module, is additionally operable to scan described command queue, and sends the described guidance command in described command queue to described RTU；
Described multi-protocols AM access module, is additionally operable to regularly propose the granting request of described guidance command to described remote control module.
9. system as claimed in claim 8, it is characterised in that described system also includes real-time internal memory database and builds module, for building described real-time internal memory database in advance；
Described real-time internal memory database includes: FERT real-time internal memory database district and SCI real-time internal memory database district；
Described FERT real-time internal memory database district includes command storage unit and data storage cell；
Wherein, described command storage unit, for storing the command queue of described guidance command；Described data storage cell is for storing the described RTU described data uploaded；Described data include the described RTU return result to described guidance command and the Real-time Monitoring Data about described RTU；
Described independent data storage areas corresponding for each described RTU includes described command storage unit and described data storage cell；Described data storage cell is divided into again return result memory element and Monitoring Data memory element；Described return result memory element is for storing the described RTU return result to described guidance command；Described Monitoring Data memory element is for storing the Real-time Monitoring Data about described RTU；
Described SCI real-time internal memory database district, for the accessed time by recording the described data uploaded.
10. system as claimed in claim 7, it is characterized in that, described multi-protocols AM access module is additionally operable to: judge the data type of described data, determines the original position of described data according to preset data type number, determines described device numbering by described original position；Described RTU described independent data storage areas corresponding in described preset real-time internal memory database is determined according to the location index between described device numbering and the described RTU pre-build and described independent data storage areas；And specifically store position according to what described point value numbering determined described data.
null11. system as claimed in claim 7，It is characterized in that，The described module that arranges is additionally operable to: when the mode scanned by agreement scans each described Data Transport Protocol node one by one，It is respectively provided with its corresponding a kind of agreement scanning thread for each described Data Transport Protocol node，And described RTU corresponding under described Data Transport Protocol node belongs to the scanning thread supervision of described agreement，If the node of the described Data Transport Protocol that newly added described RTU uses exists，The agreement scanning thread of the described Data Transport Protocol node that described RTU then adds its correspondence is supervised，If the node of the described Data Transport Protocol that newly added described RTU uses is absent from，The then newly-built newly added Data Transport Protocol node corresponding to described RTU，And set up new agreement scanning thread，Use described new agreement scanning thread that newly added described RTU is supervised.
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