CN205265726U - PROFIBUS -DP inserts wi -Fi's embedded gateway based on ARM - Google Patents
PROFIBUS -DP inserts wi -Fi's embedded gateway based on ARM Download PDFInfo
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- CN205265726U CN205265726U CN201521050779.4U CN201521050779U CN205265726U CN 205265726 U CN205265726 U CN 205265726U CN 201521050779 U CN201521050779 U CN 201521050779U CN 205265726 U CN205265726 U CN 205265726U
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Abstract
The utility model discloses a PROFIBUS -DP inserts wi -Fi's embedded gateway based on ARM mainly includes master controller module, PROFIBUS -DP communication interface circuit, USB interface circuit, wi -Fi wireless network interface card interface circuit, outside storage module circuit, power management circuit, the utility model discloses a two kinds of heterogeneous networks of PROFIBUS -DP and wi -Fi had been realized to embedded gateway physics connection and data communication have solved the technological problem that two kind current heterogeneous networks are difficult to realize the interconnection, through the utility model discloses an embedded gateway, people can utilize ubiquitous wi -Fi network implementation to swift, the real time monitoring of the total on -line unit of PROFIBUS -DP, have easy implementation, low -cost advantage, have the strong market demand and wide application prospect.
Description
Technical field
The utility model belongs to industrial automation and wireless communication field, relates to a kind of embedded gateway of the access of the PROFIBUS-DP based on ARM hardware platform and built-in Linux operating system platform Wi-Fi network.
Background technology
PROFIBUS, is a kind of internationalization, open, the standard for Fieldbus that do not rely on device fabrication business, is a most popular class bus. PROFIBUS is a kind of field bus technique for the monitoring of factory automation workshop level and scene equipment level data communication and control, can realize scene equipment level to the distributing of workshop level monitoring digital control and on-scene communication network, for realizing factory integrated automation and field apparatus intellectuality provides feasible solution, it is unique standard for Fieldbus that can cover the application from factory automation occasion to process automation in world wide. It is made up of three compatible parts, i.e. PROFIBUS-DP(DecentralizedPeriphery), PROFIBUS-PA(ProcessAutomation), PROFIBUS-FMS (FieldbusMessageSpecification). Wherein PROFIUBS-DP is for field level exchanges data rapidly and efficiently. In this one-level, central authorities' automation equipments (as PLC/PC or Process Control System) are connected with the field apparatus (as I/O, driver and valve, measuring transducer etc.) disperseing and are communicated by Fast Sequential, the equipment that PROFBUS-DP connects is made up of master station and follow station conventionally, main website has bus control right, it can send information to slave station, and slave station is exactly the controlled ancillary equipment connecting in PROFIBUS-DP bus.
Wi-Fi(WirelessFidelity, Wireless Fidelity) be that one can be by terminals such as PC, handheld devices (as pad, mobile phone) with the interconnected technology of wireless mode, in fact it is a high frequency radio signal. As the new generation of wireless communication technology, Wi-Fi has taken into account the mobility of mobile communication technology simultaneously and the high broadband of fixing access is experienced, and is the wireless local area network technology using in a kind of office that is everlasting, factory and family. Wi-Fi uses IEEE802.11 wireless technology, uses IEEE802.11b agreement, can make wireless network user obtain speed, the network performance and availability of Ethernet, forms a kind of network that can meet consumers' demand to greatest extent.
Along with the development of industrial automation, the intellectualization of factories, effectively supervision and production control process, on-site producing devices etc. is monitored in real time, become the focus of research. Utilize ubiquitous Wi-Fi network and widely used wireless client, the field apparatus in industrial network is monitored in real time, can be company manager and engineers and technicians and control at any time with commissioning device and bring great convenience.
The utility model, for by the application scenarios of PROFIBUS-DP fieldbus access Wi-Fi wireless network, provides a kind of by the embedded gateway of industrial field bus PROFIBUS-DP access Wi-Fi wireless network. Utilize this gateway, user only need just can carry out long-range real-time and security monitoring to the equipment on PROFIBUS-DP by Wi-Fi wireless network, has the strong market demand and wide application prospect.
Summary of the invention
The purpose of this utility model is the openly a kind of embedded gateway that can realize PROFIBUS-DP bus access Wi-Fi wireless network, solves the protocol conversion problem of PROFIBUS-DP to Wi-Fi; And can carry out remote monitoring to equipment by Wi-Fi wireless network, and realizing factory automation and device intelligence, the wiring of solution wired monitoring is numerous and diverse, cost is high, intelligent low problem.
For realizing the purpose of this utility model, the technical scheme of taking is as follows:
An embedded gateway of PROFIBUS-DP access Wi-Fi based on ARM, mainly comprises main controller module, PROFIBUS-DP communication interface circuit, usb circuit, Wi-Fi wireless network card interface circuit, outer memory module circuit, electric power management circuit; Described PROFIBUS-DP communication interface circuit, usb circuit, Wi-Fi wireless network card interface circuit, outer memory module circuit, electric power management circuit are all connected with main controller module, can realize physical connection and the data communication of PROFIBUS-DP and two kinds of heterogeneous networks of Wi-Fi.
Further technical scheme is to adopt ARM11 series S3C6410 chip for the main controller module of embedded gateway, as the Master control chip of whole gateway, controls reception and the transmission of data flow and command instruction, speed and the degree of accuracy of guarantee agreement conversion.
Further technical scheme is to comprise RS485 serial port circuit and RS232 serial port circuit for the PROFIBUS-DP communication interface circuit of embedded gateway.
Further technical scheme is that to adopt for the Wi-Fi wireless network card of embedded gateway is high-speed radio network interface card EDUPMS-1578, and the Wi-Fi wireless network that high speed is stable is provided, and theory can reach 300Mbps, for whole system provides network support.
Further technical scheme is that described high-speed radio network interface card EDUPMS-1578 is connected with master controller by usb circuit.
Further technical scheme is the 512MFLASH memory that is K9F4G08U0E by Samsung's model for the external memory storage of embedded gateway and has by 4 the 512MSDRAM memory expansion that 8 EBI models are K4T1G084QQ and form.
Further technical scheme is that described electric power management circuit adopts voltage stabilizing chip AMS1086CD-3.3 and voltage stabilizing chip PT9011-MGPJ6 to divide other to provide 3.3V and 1.8V power supply for system.
Further technical scheme is the seamless link of described USB interface for master controller and wireless network card; Described PROFIBUS-DP interface is connected with the effective of PROFIBUS-DP for master controller; Power circuit provides electric energy for whole system; SDRAM and FLASH memory provide jumbo data storage and read space.
Further technical scheme is in the situation that not changing PROFIBUS agreement and Wi-Fi agreement, as long as PROFIBUS-DP bus is connected to the PROFIBUS-DP interface of the utility model gateway, gateway connects Wi-Fi wireless network card by USB interface, power circuit power supply, other circuit connect, and just can directly realize the interconnected communication of PROFIBUS-DP network and Wi-Fi wireless network.
The utility model has the advantage of:
1) designed the specialized protocol transfer gateway of realizing PROFIBUS-DP fieldbus networks and Wi-Fi interconnected with wireless network, do not changing on the basis of two kinds of heterogeneous network existing structures, as long as interface is connected to the upper interconnected communication that just can directly realize two kinds of heterogeneous networks, user can monitor equipment anywhere or anytime fast and easily.
2) embedded gateway of the present utility model has solved the technical barrier of the typical industrial network bus access of radio network of PROFIBUS-DP, and embedded gateway development cost of the present utility model is low, efficient stable, solve wired problem loaded down with trivial details, cost is high of deploying to ensure effective monitoring and control of illegal activities.
3) embedded gateway of the present utility model can also coordinate the Android client of development and Design, utilize the client of Android mobile phone, user can be monitored in real time and manage the equipment on long-range field bus easily by portable equipment mobile phone, pad etc., is also the inexorable trend of industrial automation, the development of internet+industry net.
Brief description of the drawings
Fig. 1 is embedded gateway hardware block diagram in the utility model;
Fig. 2 is the utility model embedded gateway functional schematic;
Fig. 3 is PROFIBUS-DP and the Wi-Fi protocol conversion schematic diagram of the utility model embedded gateway.
Detailed description of the invention
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is described:
Embedded gateway hardware block diagram of the present utility model as shown in Figure 1, mainly comprises main controller module, PROFIBUS-DP communication interface circuit, usb circuit, Wi-Fi wireless network card interface circuit, outer memory module circuit, electric power management circuit; Described PROFIBUS-DP communication interface circuit, usb circuit, Wi-Fi wireless network card interface circuit, outer memory module circuit, electric power management circuit are all connected with main controller module, can realize physical connection and the data communication of PROFIBUS-DP and two kinds of heterogeneous networks of Wi-Fi.
S3C6410 microprocessor, as the Master control chip of whole gateway, is controlled reception and the transmission of data flow and command instruction, speed and the degree of accuracy of guarantee agreement conversion; High-speed radio network interface card EDUPEP-8508GS provides the Wi-Fi wireless network that high speed is stable, for whole system provides network support; USB interface is for the seamless link of microprocessor and wireless network card, and in the time of system works, first USB interface supplies with 5V burning voltage of wireless network card, and then transmits all information by middle two holding wires; PROFIBUS-DP interface is connected with the effective of PROFIBUS-DP for microprocessor; The voltage stabilizing chip AMS1086CD-3.3 of electric power management circuit and voltage stabilizing chip PT9011-MGPJ6 divide other to provide 3.3V and 1.8V power supply for system; SDRAM and FLASH memory provide jumbo data storage and read space.
In the situation that not changing PROFIBUS agreement and Wi-Fi agreement, as long as PROFIBUS-DP bus is connected to the PROFIBUS-DP interface of the utility model gateway, gateway connects Wi-Fi wireless network card by USB interface, power circuit power supply, other circuit connect, and just can directly realize the interconnected communication of PROFIBUS-DP network and Wi-Fi wireless network.
Fig. 2 is the utility model embedded gateway functional schematic, and embedded gateway, as the bridge of PROFIBUS-DP bus and Wi-Fi network, is responsible for protocol conversion, the data communication of two kinds of heterogeneous networks. The data that embedded gateway sends PROFIBUS-DP field apparatus are converted to according to the data of Wi-Fi protocol encapsulation, then send to corresponding client; Same, the data that embedded gateway sends Wi-Fi client are converted to according to the data of PROFIBUS-DP protocol encapsulation, then send to corresponding field apparatus. User can also monitor in real time the equipment on PROFIBUS-DP by wireless client in embedded gateway system.
Fig. 3 is PROFIBUS-DP and the Wi-Fi protocol conversion schematic diagram of the utility model embedded gateway, and the process of two kinds of heterogeneous network protocol conversions is exactly the process that packet unpacks and encapsulates in fact. The process of encapsulation is exactly each protocol layer is paid the packet receiving protocol Data Unit PDU(ProtocolDataUnit according to upper strata) add that the control header message of oneself forms this layer of PDU, then pass to lower one deck, finally obtain the packet good according to protocol encapsulation. And thereby the process of decapsulation is exactly to remove this layer of PDU control header message according to protocol layer to obtain upper strata PDU, until obtain the process of True Data. The process of protocol conversion is exactly that packet is according to the process of protocol encapsulation and decapsulation, the process that for example PROFIBUS-DP is transformed into Wi-Fi is: gateway receives after the next packet of PROFIBUS-DP, carry out from physical layer, data link layer, user interface layer unpacking in layer according to the agreement of PROFIBUS-DP, obtain after True Data bag again according to the agreement of Wi-Fi, from the encapsulation in layer of MAC layer, logical link control layer, physical layer, after having encapsulated, sending to Wi-Fi equipment.
The embodiment more than providing is in order to illustrate the utility model and its practical application, not the utility model is done to any pro forma restriction, any one professional and technical personnel, not departing from the scope of technical solutions of the utility model, does certain modification and changes as the equivalent embodiment that is considered as equivalent variations according to above technology and method.
Claims (5)
1. an embedded gateway of the access of the PROFIBUS-DP based on ARM Wi-Fi, is characterized in that: mainly comprise main controller module, PROFIBUS-DP communication interface circuit, usb circuit, Wi-Fi wireless network card interface circuit, outer memory module circuit, electric power management circuit; Described PROFIBUS-DP communication interface circuit, usb circuit, Wi-Fi wireless network card interface circuit, outer memory module circuit, electric power management circuit are all connected with main controller module.
2. the embedded gateway of a kind of access of the PROFIBUS-DP based on ARM Wi-Fi according to claim 1, is characterized in that: described main controller module adopts ARM11 series S3C6410 chip.
3. the embedded gateway of a kind of access of the PROFIBUS-DP based on ARM Wi-Fi according to claim 1, is characterized in that: described PROFIBUS-DP communication interface circuit comprises RS485 serial port circuit and RS232 serial port circuit.
4. the embedded gateway of a kind of access of the PROFIBUS-DP based on ARM Wi-Fi according to claim 1, is characterized in that: that described Wi-Fi wireless network card adopts is high-speed radio network interface card EDUPMS-1578.
5. the embedded gateway of a kind of access of the PROFIBUS-DP based on ARM Wi-Fi according to claim 1, is characterized in that: electric power management circuit adopts voltage stabilizing chip AMS1086CD-3.3 and voltage stabilizing chip PT9011-MGPJ6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521050779.4U CN205265726U (en) | 2015-12-16 | 2015-12-16 | PROFIBUS -DP inserts wi -Fi's embedded gateway based on ARM |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521050779.4U CN205265726U (en) | 2015-12-16 | 2015-12-16 | PROFIBUS -DP inserts wi -Fi's embedded gateway based on ARM |
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| CN205265726U true CN205265726U (en) | 2016-05-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553838A (en) * | 2015-12-16 | 2016-05-04 | 吉林大学 | ARM-based embedded gateway accessing PROFIBUS-DP to Wi-Fi and communication method thereof |
| CN107124358A (en) * | 2017-07-11 | 2017-09-01 | 吉林大学 | A kind of 4G PROFIBUS embedded system gateway devices based on FPGA |
-
2015
- 2015-12-16 CN CN201521050779.4U patent/CN205265726U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553838A (en) * | 2015-12-16 | 2016-05-04 | 吉林大学 | ARM-based embedded gateway accessing PROFIBUS-DP to Wi-Fi and communication method thereof |
| CN107124358A (en) * | 2017-07-11 | 2017-09-01 | 吉林大学 | A kind of 4G PROFIBUS embedded system gateway devices based on FPGA |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20161216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |