CN202696654U - ARM-based communication protocol converter with multiple serial ports - Google Patents
ARM-based communication protocol converter with multiple serial ports Download PDFInfo
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- CN202696654U CN202696654U CN 201220398667 CN201220398667U CN202696654U CN 202696654 U CN202696654 U CN 202696654U CN 201220398667 CN201220398667 CN 201220398667 CN 201220398667 U CN201220398667 U CN 201220398667U CN 202696654 U CN202696654 U CN 202696654U
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- protocol converter
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Abstract
The utility model discloses an ARM-based communication protocol converter with multiple serial ports. The communication protocol converter comprises a microprocessor, multiple extended serial ports, a CAN interface and a data acquisition module, wherein the extended serial ports are connected to the microprocessor via a serial port managing module, the CAN interface is connected to the microprocessor via a CAN controller, the data acquisition module is connected with the microprocessor via an A/D converter, and the microprocessor is equipped with a network module and a memory. The ARM-based communication protocol converter with multiple serial ports has the advantages that networking and concentrated managing of serial port equipment are realized, and present serial port data of equipment including RS232 and RS485 in an industrial site is converted into TCP/IP data, and IP internet is used to store and manage the data.
Description
Technical field
The utility model relates to a kind of protocol converter, particularly relates to a kind of multi-serial communication protocol converter based on ARM.
Background technology
Protocol converter is called for short association and turns, and also is interface convertor, and protocol converter is gateway namely, and it can make to be in adopts the main frame of different upper-layer protocols still to work in coordination on the communication network, finish various Distributed Application.
Along with the arrival of the age of Internet economy, be widely used based on the IP network of ICP/IP protocol, utilize Internet resources can realize the network insertion of equipment, the equipment networking monitoring has become the development trend of industrial automation,
Existing serial ports is to the transformation of TCP/IP communications protocol, to realize the Distant supervision and control to industrial field device, but this protocol converter generally all is single serial ports, namely need the integrated use of a lot of protocol converters, so not only increased cost, then also very inconvenient on the long-range Host Administration.
The utility model content
The purpose of this utility model namely is to overcome the deficiency of present technology, and a kind of multi-serial communication protocol converter based on ARM is provided, and the protocol converter that solves in the existing industry monitoring all is single serial ports, causes the problem that cost is high, management is inconvenient.
The utility model is achieved through the following technical solutions: based on the multi-serial communication protocol converter of ARM, comprise microprocessor, a plurality of extended serial port, CAN interface and data acquisition module, described extended serial port is by a serial interface management module access microprocessor, the CAN interface is by CAN controller access microprocessor, data acquisition module connects microprocessor by an A/D converter, also is provided with mixed-media network modules mixed-media and memory on the microprocessor.
Described extended serial port is supported RS232, RS485 and RS422 serial port protocol.
Be provided with reseting module on the described microprocessor.
Be provided with display module on the described microprocessor.
It is the chip of AT91RM9200 that described microprocessor adopts model.
The beneficial effects of the utility model are: realized networking and the centralized management of serial equipment, and the serial data of the equipment such as the existing RS232 of industry spot, RS485 is converted to the TCP/IP data, carried out the data store and management by IP network.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with embodiment, but structure of the present utility model is not limited only to following examples:
[embodiment]
As shown in Figure 1, multi-serial communication protocol converter based on ARM, comprise microprocessor, a plurality of extended serial port, CAN interface and data acquisition module, described extended serial port is by a serial interface management module access microprocessor, the CAN interface is by CAN controller access microprocessor, data acquisition module connects microprocessor by an A/D converter, also is provided with mixed-media network modules mixed-media and memory on the microprocessor.
Described extended serial port is supported RS232, RS485 and RS422 serial port protocol.
Be provided with reseting module on the described microprocessor, when being used for system disorders, microprocessor carried out reset processing, be provided with display module on the microprocessor, be used for showing the operating state of each module.
It is the chip of AT91RM9200 that microprocessor of the present utility model adopts model, it is the chip of 16c554 that extended serial port all adopts model, it is the complex programmable logic device (CPLD) of epm7064 that the serial interface management module adopts model, to realize the interrupt management to extended serial port, it is the chip of ADS7842 that data acquisition module adopts model, it is the chip of SJA1000 that the CAN controller adopts model, and it is the chip of MAX705 that reseting module adopts model, and display module is display.
Operation principle of the present utility model: data acquisition module gathers the service data of the equipment of extended serial port and CAN interface at any time, and store these data into memory, when long-range main control computer need to obtain data, namely transmit a signal to this device, this device is just crossed mixed-media network modules mixed-media with the data communication device in the memory and is sent to main control computer after receiving data by mixed-media network modules mixed-media.
Claims (5)
1. based on the multi-serial communication protocol converter of ARM, it is characterized in that: comprise microprocessor, a plurality of extended serial port, CAN interface and data acquisition module, described extended serial port is by a serial interface management module access microprocessor, the CAN interface is by CAN controller access microprocessor, data acquisition module connects microprocessor by an A/D converter, also is provided with mixed-media network modules mixed-media and memory on the microprocessor.
2. the multi-serial communication protocol converter based on ARM according to claim 1 is characterized in that: described extended serial port support RS232, RS485 and RS422 serial port protocol.
3. the multi-serial communication protocol converter based on ARM according to claim 2 is characterized in that: be provided with reseting module on the described microprocessor.
4. the multi-serial communication protocol converter based on ARM according to claim 3 is characterized in that: be provided with display module on the described microprocessor.
5. arbitrary described multi-serial communication protocol converter based on ARM according to claim 1～4 is characterized in that: it is the chip of AT91RM9200 that described microprocessor adopts model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220398667 CN202696654U (en) | 2012-08-13 | 2012-08-13 | ARM-based communication protocol converter with multiple serial ports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220398667 CN202696654U (en) | 2012-08-13 | 2012-08-13 | ARM-based communication protocol converter with multiple serial ports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202696654U true CN202696654U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220398667 Expired - Fee Related CN202696654U (en) | 2012-08-13 | 2012-08-13 | ARM-based communication protocol converter with multiple serial ports |
Country Status (1)
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| CN (1) | CN202696654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920033A (en) * | 2017-01-23 | 2017-07-04 | 北京国网普瑞特高压输电技术有限公司 | Direct-current charging post accesses the system and method for electrically-charging equipment operation management platform |
| 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 |
-
2012
- 2012-08-13 CN CN 201220398667 patent/CN202696654U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920033A (en) * | 2017-01-23 | 2017-07-04 | 北京国网普瑞特高压输电技术有限公司 | Direct-current charging post accesses the system and method for electrically-charging equipment operation management platform |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130123 Termination date: 20130813 |