It gives the functional - block plan of the intelligent transduceftand it gives programs of communication 在此基础上，开发出了高精度温度变送器的工作原理图。
1 . 2 - wk - wkjseries for sheathed thermocouple with thermowell and integral temperature transmitter 1 . 4 ceramic thermocouple and integral temperature transmitter 1 . 3 - wrk - wrkj系列铠装热电偶带套管及一体化温度变送器
The millivolt signal outputted by temperature transducer is sent to plc through temperature transmitter ; it can get every temperature value by computer data processing 温度传感器输出的毫伏级信号经温度变送器输出给plc的模拟模块，经由计算机运算得到各处的温度值。
If customer doesn t specify the accuracy . for sbwr series of the temperature transmitter with , we offer 1 grade product . for sbwz series the temperature transmitter with , we offer 0 . 5 grade product 用户订货时若没注明精确度，则对sbwr系列带热电偶的一体化温度变送器提供1级产品对sbwz系列带热电偶的一体化温度变送器提供0 . 5级产品。
Explosion - proof sheathed thermocouple and thermal resistance with temperature transmitter and display are manufactured from sheath element , protective tube , explosion - proof connection head , temperaturetransmitter and front - back cover of display 隔爆型带温变带显示铠装热电偶热电阻铠装元件保护管隔爆接线盒温度变送器显示器前后盖组成。
Hart protocol is an important reasoning of hart telecommunication realized by temperature transmitter . at first , the thesis gave a comprehensive analysis of hart protocol standard , and introduced each request of the data - link layer , application layer and physics layer Hart协议作为温度变送器实现hart通信的重要依据，论文首先对hart协议规范作了全面的分析，介绍了hart数据链路层、应用层和物理层具体要求。
As the international standard of fieldbus accomplished , the fieldbus product is surely accepted by the market for its consummate function and extrusive characteristics . so it is certain that the fieldbus temperature transmitter should take place of traditional temperature transmitter 随着现场总线国际标准的完成，现场总线产品以其完善的功能和突出的特点必将为市场所接受，现场总线温度变送器取代传统的温度变送器已成必然。
The enterprise mainly produces all kinds of pressure transmitters and temperature transmitters . products get support from state science and technology commission from designing , opening up to succeed and sate science and technology commission had invested more tha 6 million yuan , and invited domestic expert and academician , etc , 企业专业生产各类压力变送器温度变送器液位变送器及相关配件。产品从设计开发到成功得到国家科委的支持由国家科委投资600多万元，并邀请内专家及俄罗斯科学院院士等联合开发。
Digital temperature transmitter , digital level , explosion - proof electric contact manometer figures generally used manometers , vacuum table , table vacuum pressure , oxygen forms of electric contact manometer , explosion - proof electric contact manometer seismic contact ammonia electricity connections . contact monometers assisted magnetic , seismic , heat - resistance , acid and alkali resistance , chlorine , sulfur - resistant , stainless steel pressure gauge . divide manometer shenyang city , the total , precision manometer , out of the wind pressure gauge , film boxes pressure gauge , diaphragm pressure gauge 主要产品包括：数字压力表，数字膜盒压力表，数字温度表，数字压力变送器，数字温度变送器，数字液位计，数字防爆电接点压力表，一般用压力表真空表压力真空表氧气表电接点压力表防爆电接点压力表耐震电接点氨用电接点磁助式电接点压力表耐震耐高温耐酸耐碱耐氯耐硫全不锈钢压力表隔膜压力表沈阳市优质产品精密压力表出风压力表膜盒压力表膜片压力表全不锈钢膜片压力表钛压力表及出口全不锈钢，充油全不锈钢系列压力表，压差表，压力变送器，各种轴向轴向带边法兰连接等多种形式。
On the base of the comparison of the popular fieldbus technique , the paper analyses worldfip protocol in detail and introduces the main developing tools ; after dissecting tt302 , which conforms to fieldbus foundation protocol , the paper gives the primary differences between smart transmitters with fieldbus communication and traditional instruments , explains the advantage of the former and establish the developing aims . then the paper realize the temperature transmitter from two ways : hardware and software , land is proved on the emulate system 本文的研究工作主要集中在以下几个方面：对比现有的典型现场总线，并就开发过程中所使用的worldfip现场总线从协议机制、通信实现、开发工具三个方面进行详细阐述；剖析基金会现场总线温度变送器? smartt302 ，对比总线式仪表和传统仪表在构造和功能上的主要区别，从工程应用角度说明开发总线式仪表的可行性和必要性。
