CN201699739U - AT91RM9200-based fieldbus protocol conversion gateway platform - Google Patents
AT91RM9200-based fieldbus protocol conversion gateway platform Download PDFInfo
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- CN201699739U CN201699739U CN2010201918268U CN201020191826U CN201699739U CN 201699739 U CN201699739 U CN 201699739U CN 2010201918268 U CN2010201918268 U CN 2010201918268U CN 201020191826 U CN201020191826 U CN 201020191826U CN 201699739 U CN201699739 U CN 201699739U
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Abstract
The utility model discloses an AT91RM9200-based fieldbus protocol conversion gateway platform, which comprises a processor AT91RM9200, an Ethernet controller DM9161, a serial port expansion chip, an Ethernet expansion chip, a CAN expansion chip, an interrupt control circuit and a chip selecting distribution circuit; wherein the Ethernet controller DM9161, the serial port expansion chip, the Ethernet expansion chip, the CAN expansion chip, the interrupt control circuit and the chip selecting distribution circuit are all connected with the processor AT91RM9200, and the processor AT91RM9200 is connected with an embedded Linux operating system. The utility model can be applied in the data exchange platform for communication of various bus protocol instruments of power plants, substations and other power systems during automation control, and solves the problem of interconnecting the fieldbus and the Internet network, adopts the gateway to carry out the remote operation, monitoring, diagnosis and maintenance of the equipment during equipment control and maintenance, and realizes the seamless integration of enterprise control and management information. Therefore, the utility model can be used for transforming the existing fieldbus network.
Description
Technical field
The utility model relates to the field bus protocol in a kind of Industry Control, specifically a kind of field bus protocol transfer gateway platform based on AT91RM9200 that a kind of protocol data conversion regime can be provided for the Modbus in the electric power system, DeviceNet, Ethernet bus.
Background technology
The field bus technique kind that is applied in electric power system at present is a lot, but because the difference of bus protocol, make between the intelligent equipment on the different field bus protocols and can not directly communicate, just need the gateway that can between different bus, carry out data interaction, development and application along with Internet technology, field apparatus is carried out remote operation, monitoring, diagnosis, maintenance also proposed demand, and the improving constantly of enterprise management level, the real-time and the accuracy of creation data also proposed requirement.
Summary of the invention
In order to overcome the problem that prior art exists, the purpose of this utility model provides a kind of field bus protocol transfer gateway platform based on AT91RM9200, this Networking Platform can carry out data interaction between different bus, can change some data of fieldbus of electric power systems such as power plant, transformer station, factories and miness, make between the intelligent equipment on the different field bus protocols and can directly communicate, and can finish apparatus remote operation, monitoring, diagnosis, maintenance, for business administration provides on-the-spot real-time accurate data data.
The purpose of this utility model is achieved through the following technical solutions:
A kind of field bus protocol transfer gateway platform based on AT91RM9200 is characterized in that: this Networking Platform comprises that processor A T91RM9200, ethernet controller DM9161, serial ports expansion chip, Ethernet extended chip, CAN extended chip, interrupt control circuit and sheet select distributor circuit; Described ethernet controller DM9161, serial ports expansion chip, Ethernet extended chip, CAN extended chip, interrupt control circuit and sheet select distributor circuit all to be connected with processor A T91RM9200, and described processor A T91RM9200 is connected with built-in Linux operating system.
In the utility model, described processor A T91RM9200 is connected with the chip selection signal of serial ports expansion chip and with serial ports expansion chip interrupt signal, and is driven by the serial ports expansion of (SuSE) Linux OS.
Processor A T91RM9200 is connected with the chip selection signal of Ethernet extended chip and with Ethernet extended chip interrupt signal, and is driven by the Ethernet extended chip of (SuSE) Linux OS.
Processor A T91RM9200 is connected with the chip selection signal of CAN extended chip and with CAN extended chip interrupt signal, and is driven by the CAN extended chip of (SuSE) Linux OS.
The utility model adopts the AT91RM9200 processor, external ethernet controller DM9161, serial ports expansion chip, Ethernet extended chip, CAN extended chip, make hardware platform have 8 UART interfaces, the physical connection that is used for RS232, RS485,2 network interfaces, be used for Ethernet, 1 CAN bus interface, make its in industry spot, have a plurality of external interfaces finish agreements such as Modbus based on RS485/RS232, based on the data communication of the agreements such as DeviceNet of CAN bus, industrial ethernet protocol etc.Software adopts the built-in Linux operating system and the control program of increasing income, and finishes the conversion between the different field bus protocols.The AT91RM9200 Networking Platform has carried out integrated on the hardware with UART, Ethernet, expansion network interface, expansion serial ports, CAN bus interface, finishing physical layer connects, the driver of interface is realized data link layer protocol separately, in user program to data parsing of bus application layer protocol and encapsulation, realize the conversion of different agreement data, implementation structure as shown in Figure 3.The user passes through monitor workstation, perhaps pass through Ethernet, be provided with, read: instrument such as ADAM-4015, ADAM-4024 on the MODBUS bus, instrumented datas such as VE2T-D, VI1TD-ID16 on the DeviceNet bus, ADAM-6000 series instrument on the Ethernet, and can carry out this locality or remote data storage, analysis.Realize the seamless integrated of enterprise's control, management information, improved the real-time and the production automation level of enterprise's production information.
The utlity model has several field bus protocol data converting functions, can realize the seamless link of management information system in enterprise.Can between different bus, carry out data interaction by the utility model, can change some data of fieldbus of electric power systems such as power plant, transformer station, factories and miness, make between the intelligent equipment on the different field bus protocols and can directly communicate, and can finish apparatus remote operation, monitoring, diagnosis, maintenance, for business administration provides on-the-spot real-time accurate data data.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a functional block diagram of the present utility model.
Fig. 3 is a realization function diagram of the present utility model.
Embodiment
Below in conjunction with the embodiment in the accompanying drawing this utility model is further described:
A kind of field bus protocol transfer gateway platform based on AT91RM9200 described in the utility model, see Fig. 1 and Fig. 2, this Networking Platform comprises that processor A T91RM9200, ethernet controller DM9161, serial ports expansion chip, Ethernet extended chip, CAN extended chip, interrupt control circuit and sheet select distributor circuit; Ethernet controller DM9161, serial ports expansion chip, Ethernet extended chip, CAN extended chip, interrupt control circuit and sheet select distributor circuit all to be connected with processor A T91RM9200, and processor A T91RM9200 is connected with built-in Linux operating system.
Connect according to the hardware platform circuit, interrupt control circuit and Ethernet extended chip, the serial ports expansion chip, the operating characteristic of CAN controller chip, write driver, for built-in Linux operating system provides application layer platform control program interface, in system master processing procedure preface, message is packaged into different bus protocol forms, and be forwarded on the corresponding interface bus, after the intelligence instrument respective request on the bus, data are transferred on the interface chip by interface bus, interface chip is according to defined interruption, (SuSE) Linux OS is proposed interrupt requests, in the Interrupt Process process, instrumented data is encapsulated, and the packet after will encapsulating returns host computer and handle, finish the conversion and the system responses process of field bus protocol data.
Fig. 3 is a realization function diagram of the present utility model.The user passes through enterprise firewall on Internet, through intranet, the remote access data interactive gateway, perhaps utilize the system monitoring working terminal by local area network (LAN) or RS232, RS485 visit data interactive gateway, by the data gateway platform, the user can carry out data interaction with the equipment on the different bus that is connected on the platform, the image data of the field intelligent instrument supervising the network by gateway and enterprise can also be linked to each other, device data to field level is stored, analysis management, for decision-making provides foundation, improve the real-time and the practicality of the information management system (MIS) of electric power system enterprise.
Claims (4)
1. field bus protocol transfer gateway platform based on AT91RM9200, it is characterized in that: this Networking Platform comprises that processor A T91RM9200, ethernet controller DM9161, serial ports expansion chip, Ethernet extended chip, CAN extended chip, interrupt control circuit and sheet select distributor circuit; Described ethernet controller DM9161, serial ports expansion chip, Ethernet extended chip, CAN extended chip, interrupt control circuit and sheet select distributor circuit all to be connected with processor A T91RM9200, and described processor A T91RM9200 is connected with built-in Linux operating system.
2. the field bus protocol transfer gateway platform based on AT91RM9200 according to claim 1, it is characterized in that: described processor A T91RM9200 is connected with the chip selection signal of serial ports expansion chip and with serial ports expansion chip interrupt signal, and is driven by the serial ports expansion of (SuSE) Linux OS.
3. the field bus protocol transfer gateway platform based on AT91RM9200 according to claim 1, it is characterized in that: processor A T91RM9200 is connected with the chip selection signal of Ethernet extended chip and with Ethernet extended chip interrupt signal, and is driven by the Ethernet extended chip of (SuSE) Linux OS.
4. the field bus protocol transfer gateway platform based on AT91RM9200 according to claim 1, it is characterized in that: processor A T91RM9200 is connected with the chip selection signal of CAN extended chip and with CAN extended chip interrupt signal, and is driven by the CAN extended chip of (SuSE) Linux OS.
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CN2010201918268U CN201699739U (en) | 2010-05-14 | 2010-05-14 | AT91RM9200-based fieldbus protocol conversion gateway platform |
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CN2010201918268U CN201699739U (en) | 2010-05-14 | 2010-05-14 | AT91RM9200-based fieldbus protocol conversion gateway platform |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109391491A (en) * | 2017-08-09 | 2019-02-26 | 中国电力科学研究院 | A kind of the multistage network data unified approach and system of automated system |
CN110022255A (en) * | 2019-04-24 | 2019-07-16 | 四川科锐得电力通信技术有限公司 | The ubiquitous electric power platform of internet of things of modularization based on mixing communication network data exchange |
CN114384849A (en) * | 2022-01-17 | 2022-04-22 | 杭州和利时自动化有限公司 | Safety instrument system |
CN114584429A (en) * | 2022-03-30 | 2022-06-03 | 中用科技有限公司 | Industrial intelligent internet of things gateway |
CN115118553A (en) * | 2022-06-22 | 2022-09-27 | 北京航天发射技术研究所 | Multi-protocol gateway based on domestic CPU and real-time operating system |
CN115174706A (en) * | 2022-09-08 | 2022-10-11 | 中国电子科技集团公司第十五研究所 | Method and system for converting multi-channel bus into Ethernet |
-
2010
- 2010-05-14 CN CN2010201918268U patent/CN201699739U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109391491A (en) * | 2017-08-09 | 2019-02-26 | 中国电力科学研究院 | A kind of the multistage network data unified approach and system of automated system |
CN110022255A (en) * | 2019-04-24 | 2019-07-16 | 四川科锐得电力通信技术有限公司 | The ubiquitous electric power platform of internet of things of modularization based on mixing communication network data exchange |
CN110022255B (en) * | 2019-04-24 | 2024-04-23 | 四川科锐得电力通信技术有限公司 | Modularized ubiquitous electric power Internet of things platform based on hybrid communication network data exchange |
CN114384849A (en) * | 2022-01-17 | 2022-04-22 | 杭州和利时自动化有限公司 | Safety instrument system |
CN114584429A (en) * | 2022-03-30 | 2022-06-03 | 中用科技有限公司 | Industrial intelligent internet of things gateway |
CN115118553A (en) * | 2022-06-22 | 2022-09-27 | 北京航天发射技术研究所 | Multi-protocol gateway based on domestic CPU and real-time operating system |
CN115118553B (en) * | 2022-06-22 | 2024-04-09 | 北京航天发射技术研究所 | Multiprotocol gateway based on domestic CPU and real-time operation system |
CN115174706A (en) * | 2022-09-08 | 2022-10-11 | 中国电子科技集团公司第十五研究所 | Method and system for converting multi-channel bus into Ethernet |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20130514 |