Friday, May 31, 2013

Based on E-Link data transmitter regarding the application connected with technological innovation - e-trade - Business

Abstract: E? Iink is really a cheap, convenient along with small serial Ethernet software module. With the vigorous progress involving Intemet, men and women can be with various locations through the particular Internet to alternate information. Various smart instruments and also apparatus must have the particular community function, through the E? Link records transmission device, take a serial dock to allow for easy access towards network of current equipment don't wanted PC + card + unit interface card, lead simply by E? IJink can certainly access this Ethernet. Use with low-cost "E? Link network information tranny device", when using the Internet to swap your bus, and so the primary Fieldbus allocated manage procedure quickly converted straight into Ethernet-based given away handle system. Keywords: Ethernet: E? Link: Serial Interface : Network: Data transmission device 1 Introduction With that attraction of Internet and the quick growth associated with conventional automation. Network includes in-depth homes, offices, factories, in addition to automation and also control. E? Link high-speed circle interconnection controller includes that microprocessor and the Ethernet interface, serial system through which this Internet can be quick to be able to apply to the control procedure to work together resources, it truly is connected Ethernet as well as serial devices bridge. Ethernet Ethernet software circuit to finish the natural part lOBaseT Communicate In the high-speed microprocessor C51 words created in to the bodily TCP / IP protocol in addition to some other (RS-232, RS-485, CAN, etc.) Conversion Agreement. Therefore, over the E? Link Internet serial equipment is simple, won't contain intricate network protocols, merely deals with E? Link intended for information exchange. 2 E? Link data transmitter Int roduction 2.1 Features E? Link data system is a micro-Internet Access Module. Can possibly be allocated serial gadget or different user's bright technique access Internet, while using module's inner TCP / IP multilevel standard protocol plus 10Base? T community user interface to go to Ethernet, serial units quickly attain networking. E? Link data transmitter _ having little size in addition to lower strength consumption, small cost as well as convenience to help use. Serial gadgets could be self-operating express in addition to functioning guidelines such because TCP, or UDP facts to supply packets to manage nobody can realize real-time transmission of information. This system features this particular characteristics: (1) No distance and country's boundaries, provided that Ethernet might communicate; (2) the particular widespread by using network resources. No cuddled regarding field bus; (3) real-time transmission, large transfer rate. The serial prices as long as 115.2kb / s. E? Link records transmitter are available in connection systems, manufacturing area automation systems, deposit as well as insurance policies systems, remote device associated with dispersed devices, large store systems, developing management models plus wise semi-automatic or fully automatic security and Fire Linkage system. 2.2 Main practical index chart MC [I to help 16-bit AVR MEGA high-speed processor, amazingly Oscillator The rate of recurrence can be 14.745 half a dozen MHz, the actual external memory capacity involving 32KB, the inner FLASH recollection capacity: 128 KB. Can provide 16MI / verts of computing control power. Support agreement: ARP, IP, UDP, TCP, IC MP, DHCP and DNS. Network Interface: RJ45 (10BASE a T) Ethernet interface. Interface Type: RS232, RS422,. RS485, CAN bus. Serial rate: 3 hundred b / s? 115 200 b / s. Maximum transfer rate: 300KB / s. Product Dimensions: 8.0 emXlO. O cm as well as less. Power supply: AC or DC energy supply. Software Supp ort: Windows XP. Windows 2000. WindowsNT, Windows95/98/ME. Unix Ware SVR4-2, UnixWare 7 SVR5, SCO Open Server, SCOUNIX, Linuxfixed tty for 2.0. x, 2.2. times and also I, inux genuine tty for2. O-36, 2.2. x, 2.4. x (all owners have been in the particular procedure TCP / IP Networks). Development board together with 32 Switch Volume regarding two-way I / O manipulate and 8 10-bit A / D converter. Development environment: while using free of charge AVR? GCCC words programming. Users are through using to think about to get expensive AVR-specific C language compiler (such seeing that IARFORAVR, ImageCraftICCforAVR along with CodeVisonC, etc.), as well as the improvement in the method is FREE? WARE, is often absolutely in accordance with the requirements with the method regarding cutting, huge effectiveness development.

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