Lithium Bromide Refrigeration Unit Controller, The Design And Realization Of The Communication Module

Ethernet, the most popular Local Area Network (LAN) structure, has obvious advantages such as open, cost-effective, supported by much popular hardware and software. The typical model of Ethernet is Ethernet + TCP/IP, which can be easily integrated into information network represented by the technology of Internet. So we develop the system for Lithium bromide refrigeration units.This paper achieves network measurement-control instrument by using C8051F020, RTL8019AS, Ethernet and TCP/IP protocol. The paper mainly illustrates the framework design of soft and hardware, the functions of the instrument, the working method of Ethernet interface chip, the content of embedded TCP/IP protocol, the program module, and key data structure. It realizes reliable network communication that is based on UDP transport protocol.This system has bright and wide prospect, such as high ratio of performance to price, open, extension, popularity, and good expansion. It provides convenient and scientific evidence for knowing the capability of the textile.