275型HART通讯器

HART 通讯器调校（差）压变指南HART通讯器的主菜单：Offline：编辑组态数据准备下载到一个变送器或者模拟一个在线连接变送器，但实际没有连接变送器；Online：组态、标定或操作一个在线变送器Frequency Device：显示输出频率和输出电压（不用于I/A系统的压力变送器）Utility：组态通讯器参数，自动修正通讯器的LCD在线或离线的I/A系统压力变送器的顶级菜单：Measurements：显示测量（过程变量）及关联数据；Calibrate：执行四种标定功能；Configure：显示和/或编辑各种参数；Test：执行一系列测试或显示变送器的状态通讯器键盘和显示：I/O键：开/关键；↑、↓键：用于同级菜单选择；（也可按数字键直接选择）→、←键：进入下一级、返回上一级； F1～F4键：依显示屏下排提示；·操作：要在通讯器上显示测量值，在主菜单中选择2Online（在线），然后在在线菜单中选择1Measurements （测量），将显示：PV 主要测量变量；PV % rnge 主要测量变量的输出百分比；SV 次要测量变量；TV 传感器温度；4V 电路温度组态：在线组态：大多数情况下都是在线组态你的I/A系统压力变送器。

利用通讯器组态：1、在主菜单中选择2Online（在线）；2、在在线菜单中选择3Configure（组态）；3、在下一级菜单中选择2Edit Params（编辑参数）；参数意义：Date：日期，格式为月/日/年；Descriptor：最多16个字符的描述；Dev id：独特的识别变送器类型；Distributor：变送器的销售商；Final assembly num：整个变送器有关的数据；Fld dev rev：变送器的修正说明；Loop test：利用变送器作为一个校验器检查回路中的其它装置；M1 EFAC：主要的变量参数（EGU的范围），只在平方根模式下可编辑。

SPECIFICATIONSInput Signal:4-20 mA DC.Input Impedance:460 Ohm max @ 20 mA DC.Material:Aluminum diecasting.Air Supply:20 to 100 psi (1.4 to 6.9 bar).Air Connection:1/4˝ NPT.Gage Connection:1/8˝ NPT.Conduit Connection:1/2˝ NPT.Linearity:±0.5% of full scale.Hysteresis:±0.5% of full scale.Sensitivity:±0.2% of full scale.Repeatability:±0.3% of full scale.Air Consumption:below 0.07 scfm (2 LPM) at 20 psig (1.4 bar) supply. Flow Capacity: 2.5 scfm (70 LPM) at 20 psig (1.4 bar) supply.Stroke:175: 0.5 to 6˝ (10 to 150 mm); 275: 0 to 90°.Enclosure Rating:NEMA 4X (IP66).Ambient Temperature:Operating: -40 to 185°F (-40 to 85°C).Weight:3.3 lb (1.5 kg).Lever:175: 0.39 to 1.57˝ (10 to 40 mm); 275: NAMUR.Series 175 and 275 PRECISOR ®III Electro-Pneumatic Positioners control valve stroke accurately using an input signal of 4-20 mA from the controller. In addition, a highly efficient microprocessing operator built into the product performs various powerful functions such as Auto calibration,PID control, Alarm and Hart ®protocol.FEATURES• LCD allows user to directly check the positioner condition in the field.• Endures severe vibration.• Operates normally regardless of changes in supply pressure during oper-ation.• Simple to use auto calibration.• Easily equipped on small actuators because of its small size.• Low air consumption reduces operating cost.• Can be used in low voltage (8.5V), leaving no limitation in controller.• Variable orifice is applied in case of a small actuator, the hunting is con-trolled to the optimum condition during operation.• HART ®communication processes various information for the valve and positioner.• Valve system is stabilized by outputting analog feedback signal.• The adjustment of valve characteristics (Linear, Quick open, Equal per-centage) is available.• Specific flow control is available with setting 16 points at users’ com-mand.• Tight Shut-Close and Shut-Open can be set voluntarily.• PID parameters can easily be adjusted in the field without additional communicator.• The pressure of air filter regulator is sent directly to actuator using A/M switch.• Split ranges such as 4-20 mA, 12-20 mA are available.• Setting Zero and Span as partial section is available by Hand Calibration function.• The valve defect is easily checked because the valve can be operated voluntarily.• Air filter regulator can be attached to the product with only one linear nip-ple without extra piping.HART ®is a registered trademark of HART Communication Foundation.page 2Installing Series 175 with bracketSeries 175 installation example6. Insert the connection bar attached on the actuator clamp into the slot ofSeries 175’s feedback lever. In order to reduce hysteresis, it shouldappear as shown:7. Check that Series 175’s feedback lever is level at 50% of valve stroke. Ifnot, move bracket or feedback link bar until it is level. Product linearity becomes worse if Series 175 is installed without being level at 50% of valve stroke.8. Check valve stroke. The numbers indicating stroke are carved in theSeries 175’s feedback lever. Set connection bar attached on actuator clamp to the number on the feedback lever applicable to valve stroke as shown in the following picture. To set the connection bar and the number, move the bracket attached on Series 175 or connection bar from side to side.NOTE:After installation, operate the valve from 0 to 100% stroke using an air filter regulator on the actuator. When the stroke is both 0 and100%, feedback lever should not reach to the lever stopper onthe backside of the Series 175 unit. If feedback lever reaches thelever stopper, move attachment position of Series 175 away fromthe yoke center.9.Once the Series 175 is installed according to the above procedures,tighten the bolts and nuts of the bracket and feedback lever connection bar completely.Series 275 InstallationSeries 275 is designed for rotary motion valves such as Dwyer Instruments ball and butterfly valves using rack and pinion, scotch yoke or complex type actuators whose stem is rotated 90°. Series 275 p o sitioners consist of the following components:1.Series 275 main body2.Fork lever and lever spring to attach on actuator3. 1 bracket4.Four hex bolts M8x1.25P5.Four M8 plate washerspage 3Feedback lever being leveled correctlyInstallation position of connection bar for valve strokeCheck whether or not lever stopper and feedback lever are in contactSeries 275 installation exampleSeries 275 installation example of fork leverSeries 275 installation example of Namur shaftThe connection bar inserted correctly between feedback lever and lever springInstalling Series 275 with bracketSeries 275 is supplied with a standard bracket. The bracket consists of two parts and is used with a NAMUR shaft. The bracket is assembled in the factory based on 0.79˝ (20 mm) of actuator stem height. If the actuator stem height is higher, such as 1.18˝ (30 mm), or 1.97˝ (50 mm), reassem-ble the bracket adjusting to the actuator stem height. Refer to the tablebelow to checkhole positions.Ex) If H is 30 mm, A-L should be locked in H:30 hole, B-L in H:20,30, A-R in H:30, and B-R in H:20,30 with bolts.1.Typical actuator stem heights (H) are 0.79, 1.18 and 1.97 inches (20,30, and 50 mm). After checking H, assemble brackets following previ-ous guidelines. The bracket is set at 0.79˝ (20 mm) in the factory.2.Attach bracket to the actuator using hex bolts. The diameter of thebracket bolt holes are 0.24˝ (6 mm). Use spring washers or thread lock compound so the bolts will not be loosened by vibration or impact. The direction of the bracket varies by operating conditions, but the normal direction is depicted in the following picture. That is, when the piping of actuator and Series 275 is as shown direction A, the bracket hole and indicator attached on the bottom of the Series 275 main shaft should be mounted in the same direction. 3.Set the rotation position of actuator stem as the initial zero point, whichis 0% stroke. For a spring return type actuator, the actuator stem is always rotated to the zero point without supply pressure, making it easy to check the zero point. If the actuator is double-acting, check whether the rotation direction of the actuator is clockwise or counter-clockwiseor the rotation direction of actuator using supply pressure.4.Set the actuator stem as the initial zero point and install a fork lever asshown in the following picture. Confirm the position of initial zero point when actuator stem is turned clockwise and counter-clockwise.Installation angle of fork lever should be about 45 degrees based on the linear shaft. But the angle is not related to NAMUR shaft.5.Once the fork lever position is set, lock the check nuts on the bottomof the fork lever by turning clockwise. Set the upper height of the fork lever to 0.24 to 0.43”(6 to 11 mm) lower than the upper height of the bracket.6.Attach Series 275 unit to the bracket. Fix the clamping pin on the mainshaft center of the Series 275 into the hole of the fork lever. Insert theconnection bar attached on the main shaft lever into the fork lever slot to be locked by the fork lever spring. This is to fit the main shaft of theSeries 275 to the center of the actuator stem. If they are not fitted cor-rectly, too much force on the main shaft will greatly reduce productdurability.7.Attach Series 275 base and the bracket with hex bolts and plate wash-ers. It is best to lock the bracket and Series 275 together by inserting Bracket assembly method by actuator stem height HActuator stemheight (H)20 mm30 mm50 mmMarkings of bolt holesA-LH: 20H: 30H: 50B-LH: 20, 30H: 20, 30H: 50A-RH: 20H: 30H: 50B-RH: 20, 30H: 20, 30H: 50Installation position of fork leverHeight of bracket, fork and fork leverFitting the pin on the Series 275 main shaft into fork lever hole page 4Attachment direction of bracket and actuatorPiping connection example of Series 275 with double acting actuatorPiping connection example of Series 175 with single acting actuator1.Open cover by loosening the four M4 bolts on positioner cover. Piping connection example of Series 275 with single acting actuatorTerminal connection of input current signal2.Loosen terminal locking bolts of feedback signal terminals.3.If the switch is turned counter-clockwise, the positioner is operatedmanually.reducing the flow rate of supply pressure transmitted to actuator.Series 175 and 275 positioners perform various functions using four but-tons. The position of the buttons is shown below:After connecting power to the positioner, the following is displayed on theLCD in 6 seconds.Terminal connection of transmitter6.Zero, Span, PID parameters and RA/DA are automatically set whenvalve stroke by current input signal is displayed as a percentage.RA/DA automatically.Auto calibration types<DOWN>.8.Push <ESC>.7. Push <ESC>.(Push <DOWN> at PV_END mode to go to TR_ZERO mode).<ENTER>. +ACT DA message appears.save it with <ENTER>. +HAR EQ is displayed.4.Push <ESC> three times to return to RUN mode.<ENTER>. +SHUT CL is displayed.three times to return to RUN mode. +SHUT OP is displayed.。

仪表中级理论模拟考试题与参考答案一、单选题（共40题，每题1分，共40分）1、可燃气体检测报警器出现指示不稳定的原因，除了检测器安装不合理原因外，其自身的故障原因分析，不准确的是( )。

A、过滤器局部堵塞B、检测器元件局部污染C、电路接触不良或接地不良D、仪表电源故障正确答案：D2、在化工生产过程中, 红外线气体分析仪适用于测量( )。

A、二氧化硫B、氨气C、二氧化碳D、氢气正确答案：C3、控制阀执行机构按作用形式不同可分为( )。

A、薄膜式、活塞式和长行程式B、气动执行器、电动执行器和液动执行器C、故障开和故障关D、正作用和反作用正确答案：D4、用电容式液位变送器测量非导电介质的液位时，电容传感器使用与它绝缘的( )，作为外电极，外电极开有孔和槽，内外电极靠绝缘材料进行固定。

A、中间电极B、同轴金属圆筒C、中间绝缘体D、同轴非金属圆筒正确答案：B5、某装置椭圆齿轮流量计出现流量较小时，误差偏负过大，分析故障原因可能为( )A、流量计齿轮轴承磨损B、计量箱形变C、A 和B. 都有可能D、A、B、C 选项都不是正确答案：C6、磁致伸缩液位变送器输出信号出现频繁抖动，仪表示值不稳定的故障的原因最有可能来自( )。

A、轻微的机械振动B、物料压力变化C、物料温度变化D、信号电缆屏蔽层接地不良正确答案：D7、现代的声学监测技术已有了很大的发展，目前主要有声学和噪声监测技术，声发射检测技术和( )。

A、超声波检测技术B、频谱分析检测技术C、油样分析检测技术D、红外测温检测技术正确答案：A8、热电偶的热电极短路引起的故障现象是( )。

A、热电势比实际值小B、热电势比实际值大C、热电势输出不稳定D、热电势输出最大正确答案：A9、每个传感器探头的端部都有一个电磁场,为避免相互干扰,对于径向振动探头测量间距要求不小于( )。

A、35.6 mmB、41.6 mmC、39.6 mmD、37.6 mm正确答案：A10、根据《石油化工可燃气体和有毒气体检测报警设计规范》（GB50493-2009）以下关于可燃气体探测器的安装设计使用，说法正确的是( )A、可燃气体检（探）测器不必取得国家指定机构或其授权检验单位的计量器具制造认证、防爆性能认证和消防认证。

F O C U S E D P H O T O N I C S I N CTPF-100温压流一体化变送器用户手册Focused Photonics Inc、聚光科技 (杭州) 有限公司UMTPF1000707100目录1阅读说明 (1)1、1用户须知 (1)1、2安全与警告 (1)1、3供货与运输 (1)1、4质保与维修 (1)1、5技术支持 (2)2仪器介绍 (2)2、1仪器概述 (2)2、2测量原理 (2)2、3仪器内部结构 (4)2、3、1取压取温单元 (4)2、3、2机箱单元 (4)2、4仪器工作流程 (5)2、5适用范围 (6)2、6性能参数 (6)3现场安装 (7)3、1安装位置 (7)3、2输出方式及阻抗匹配 (7)3、3仪器接线 (7)3、3、1差压变送器接线 (7)3、3、2压力变送器接线 (8)3、3、3温度变送器接线 (8)4仪器调试 (9)5故障处理 (10)6注意事项 (11)6、1 暂存保管 (11)6、2 开箱验货 (11)6、3售后服务 (11)1阅读说明欢迎选用聚光科技(杭州)有限公司TPF-100温压流一体化变送器(以下简称:TPF-100),TPF-100的主要功能就是监测烟气中的温度、压力、流速并将其转换成相应的比例电流(4-20)mA传送给工控机进行数据处理。

1、1用户须知●在TPF-100安装与维护之前请务必仔细阅读本手册,本手册涵盖仪器使用的各项重要信息及数据,用户必须严格遵守其规定,方可保证TPF-100的正常运行。

●针对任何不按照手册要求安装与操作仪器的行为后果,聚光科技(杭州)有限公司不负任何责任。

●如果TPF-100温压流一体化变送器有更改恕不另行通知。

●版权归聚光科技(杭州)有限公司所有,未经允许,不得翻印。

1、2安全与警告●任何情况下不规范的操作都可能引起人员及仪器的伤害,请遵守所有电器及设备的安全规范。

●在维修﹑拆卸电器元件前请确认电源已经断开。

EJA智能变送器维护检修规程1、总则1.1主题内容与适用范围本规程规定了EJA智能变送器的维护、检修、校准的具体技术要求和实施程序。

本规程适用于本在线使用的EJA智能变送器，其它类型仪表应参照使用，具体调整部件请参阅产品说明书。

1.2工作原理由单晶硅谐振式传感器上的两个H形的振动梁分别将差压、压力信号转换为频率信号，送到脉冲计数器，再将两频率之差直接传递到CPU（微处理器）进行数据处理，经D/A转换器转换为与输入信号相对应的4~20mA DC的输出信号，并在模拟信号上叠加一个BRAIN/HART数字信号进行通信。

通过I/O口与外部设备（如手持智能终端BT200或275以及DCS中的带通信功能的I/O卡）以数字通信方式传递数据，在进行通讯时，频率信号对4~20mA 的信号不产生任何扰动影响。

2002－02－19批准2002－02－28实施1.2.1工作原理如图所示：1.3技术性能及规格1.3.1性能指标基本误差：±0.5%回程误差：0.5%1.3.2规格测量范围：-1~1kPa至-100~50000kPa负载：0~1335Ω工作状态，250~600Ω数字通讯输出：二线制4~20mA DC输出，数字通讯，可编程设定线性或平方根输出方式，BRAIN或HART FSK协议加载在4~20mA DC信号上。

环境温度：-30~80℃环境湿度：5~100%RH电源电压：10.5~42V DC（工作状态）16.4~42V DC（数字通讯）2．维护2.1向当班工艺人员了解仪表运行情况；2.2查看仪表显示是否正常；2.3查看仪表供电是否正常；2.4查看仪表及外接件是否有泄漏、损坏、腐蚀；2.5发现问题及时处理，并做好处理结果记录。

3．校准3.1校准方式利用HART智能终端对EJA变送器进行零点调量程设置。

3.1.1HART智能终端275HART通讯器1台3.2校准接线采用275HART通讯器可在控制室、现场及回路的任一点处与变送器通讯。

PT1系列皮托管流速变送器使用说明书北京雪迪龙自动控制系统有限公司西门子分析仪器技术服务中心目录1.安全警示-------------------------------------------------------------------------------------------------------------------------------（2）2.构成及原理----------------------------------------------------------------------------------------------------------------------------（2）3.型号说明-------------------------------------------------------------------------------------------------------------------------------（3）4.技术性能-------------------------------------------------------------------------------------------------------------------------------（4）5.安装及接线----------------------------------------------------------------------------------------------------------------------------（4）6.调试与使用----------------------------------------------------------------------------------------------------------------------------（5）7.故障处理--------------------------------------------------------------------------------------------------------------------------------（6）8.注意事项--------------------------------------------------------------------------------------------------------------------------------（7）1.安全与警告1.1任何情况下不规范的操作都可能引起人员及仪器的伤害，请遵守所有电器及设备的安全规范。

MAN 4275A00PN: 00275-8026-0001简体中文二零零四年九月HART®手操器Fisher-Rosemount TM南京霍格机电有限公司HART手操器操作手册手操器操作手册注意事项：在使用该产品工作之前请通读了这本手册。

为了个人和系统安全, 以及最恰当的产品使用，确定在使用或修护前彻底地了解该产品。

如果有设备服务需要,请连络最近的产品代表。

Rosemount 和SMART FAMILY 是 Rosemount 公司的注册商标 MINIGRABBER 是 的Pomona Electronics一个商标。

HART是HART通信基础公司的一个注册的商标。

Fisher-Rosemount8301 Cameron 路Austin,TX 78754 美国技术支持: 1-800-833-8314或 (512)832-3774服务热线: 1-800-654-7768 Fisher-Rosemount TM南京霍格机电有限公司南京霍格机电有限公司 Fisher- Rosemount 系统公司 2000. 版权所有。

目录目录HART HART手操器手操器手操器......................................1-1介绍.............................................1-1hart 手操器连接..................................1-2液晶显示 (LCD)...................................1-5动作键...........................................1-5ON/OFF 键........................................1-5上箭头键.........................................1-6下箭头键............................…….........1-6左箭头键和预设菜单键.............……………......1-6右箭头和选择键....................……….…......1-6热键.............................…..............1-6软件定义功能键................……………….......1-6字母键和 Shift 键................…………........1-8使用快速选择功能..................…………….....1-8使用 Shift 键输入数据...............……….......1-9开始了解HART手操器..........………………………...1-9软件图标...................………...............1-10学习菜单结构...............……………….........1-11回顾安装的装置..................…………........1-12主要菜单........................................1-12脱机菜单........................................1-13新配置(脱机)....................……………......1-14从空白的模板菜单...............………...........1-15已存档配置菜单(脱机)..............…………......1-17数据包内容菜单...................………….......1-17已存档配置菜单 (数据包内容)..………………….....1-18联机菜单..........................…............1-19频率配置菜单........................……........1-22公用程式菜单....................................1-22手操器配置菜单..................………………....1-22南京霍格机电有限公司 轮询菜单..............................……......1-23对比度菜单......................................1-24关闭时间菜单....................................1-24i忽略诊断菜单....................................1-25删除配置菜单....................................1-25系统信息菜单........................... . . . ...1-26计算机接收菜单.........................….......1-26储存位置菜单.......................... .. .......1-28仿真菜单................................ .......1-28储存被连接的设备配置..........…………………....1-29使用热键.....................……...............1-30自定义热键菜单 .................…………........1-31在热键菜单增加选项...............…………….....1-31删除热键菜单选项...........…………………….....1-33HART 手操器和 2000 年问题........…………….....1-34编辑日期.........................……...........1-34HART手操器修护..................………………....1-35HART 手操器校正...............………………......1-35使用电池组.......................……...........1-35更换碱性电池......................……………....1-36可充电电池组....................………………....1-37使用存储模块......................………........1-37更换存储模块...................……………….....1-38安装和删除数据包装 100........……………………..1-39Fisher Fisher-- Rosemount Hart Rosemount Hart手操器通用手操器通用任务任务................…..…..……....2-1介绍................................…….........2-1上电联机..............................……….....2-1Online Menu（联机菜单）.....................…....2-2Device Setup（设备设定）..........................2-2Primary Variable（测量值 PV)......................2-3Analog Output（模拟输出 AO).......................2-3Lower Range Value 量程下限 (LRV)..................2-3Upper Range Value 量程上限 (URV)..................2-3Device Setup Menu （设备设定菜单）...................2-4南京霍格机电有限公司 Process Variables （过程变量）......................2-4 Process Variables（诊断/服务）....................2-4 Basic Setup（ 基本设定）..........................2-5 Detailed Setup （详细的设定）.......................2-5ii回顾.............................................2-6 快速键顺序...............................……....2-6 菜单树..........................................3..........................................3--1 介绍.............................................3-1 1151 压力变送器..................................3-2 3051C 压力变送器 (独创的)............….…….....3-3 9739 质量流量计......................…..........3-4附录附录A A A HART HART HART手操器信息手操器信息..................................................A -1 附录B 规格和订货信息…………………….……..B -1 附录C CSA 和FM 本质安全认证………………………..C -1 附录D 手操器故障处理…………………………….D-1 附录E 索引及解释…………………………………E-1南京霍格机电有限公司 iii 例证列表例证列表序号序号 名称名称 页码页码页码1-1. HART 手操器 ................................1-1 1-2. 可充电镍铬电池联结面板 ...........…......1-2 1-3. 连接到变送器通讯终 ..............….........1-3 1-4. 回路中HART 手操器的连接 ............…......1-3 1-5. 用负载电阻连接 HART 手操器 …………………….1-4 1-6. HART手操器字母键和Shift 键 ........….......1-8 1-7. 快速访问菜单 .....................…........1-8 1-8. 通电脱机或联机......................….....1-10 1-9. 菜单图标和相关键...........................1-10 1-10. 主要菜单...........................….....1-12 1-11. 脱机菜单树................................1-13 1-12. 脱机菜单..................................1-14 1-13. 从空白模板菜单............................1-15 1-14. 个人编辑菜单..............................1-15 1-15. 单元变量菜单..............................1-15 1-16. 保存菜单...........................……...1-16 1-17. 定位菜单..................................1-16 1-18. 配置保存菜单 (脱机) .....................1-17 1-19. 数据包内容菜单............................1-17 1-20. 配置保存菜单 (数据包) ......…......1-181-21. 联机菜单............................…....1-19 1-22. 通用联机菜单树.....................……...1-21 1-23. 频率设置菜单.......................….....1-22 1-24. 公用程序菜单........................…....1-22 1-25. 手操器设置菜单...................…….....1-22南京霍格机电有限公司 1-26. 轮询菜单............................…....1-23 1-27. 对比度菜单..........................…....1-24 1-28. 关机时间菜单.........................…...1-24 1-29. 忽略诊断菜单.................……………...1-25iv1-30. 删除配置菜单 . ...........................1-25 1-31. 系统信息菜单.............………...........1-26 1-32. 计算机接收菜单… .........................1-26 1-33. 储存位置菜单................………........1-28 1-34. 热键标本菜单.................….....…....1-30 1-35. 热键配置菜单.. ........... .....…….......1-31 1-36. 增加热键选择项.. .... ........... ........1-32 1-37. 标记只读热键选择项… .......... ..........1-32 1-38. 热键菜单.. .......……………… . ........1-32 1-39. 变量显示设置选择项 ............. .. ......1-33 1-40.删除热键选择项 ........……………..… ....1-33 1-41. 日期菜单………….. .......................1-34 1-42. HART 手操器防爆检查…………….. .........1-35 1-43. 电池组拆卸 .....………...... .............1-36 1-44. 存储模块更换……………….. ........... ...1-38 1-45. 数据包装 100个安装和卸载……… ...... ....1-39 2-1. 联机菜单………………………….. ..... .......2-2 2-2. 设备设定菜单……. .... ......................2-4 2-3. 诊断和服务菜单…………………….. ..... .....2-4 2-4. 基本设定菜单………………….. ........ ..... .2-5 2-5. 快速键顺序样本………………… ..... .........2-6表列表表列表序号序号 名称名称 页码页码页码1-1. 功能键标识..................................1-7南京霍格机电有限公司 1-2. PC AMS 界面主要选择项......……………...........1-27v第一节第一节HART® 手操器手操器概述概述HART(Highway Addressable Remote Transducer 高速可寻址遥远的转换器)手操器(图图 1 1--1)是手持式设备,提供了联接到所有的HART-相容基于微处理的仪器设备的通用通讯。

请写出如何使用HART通讯器完成DVC6000系列定位器的自动校验（包括如何连接、如何设定等步骤）？1)、连接：HART通讯器的红表棒接DVC6000系列定位器的4～20mA的“＋”端，黑表棒接“－”端2)、自动校验设定：（1）打开HART的电源，然后按>>> 键，进入1 Instrument mode选项选中out of service，按OK确认。

（2）进入3 Protection 选项，选中NONE，按ENTER确认，根据HART 通讯器的提示松开AUX“＋”“－”端的短接线，按OK；再短接，按OK；最后再松开，按OK将保护出系。

（3）自动校验流程：Setup&Diag→Calibrate→AUTO Calib Travel→OK 如果是DVC6010系列，其自动校验流程是：Setup&Diag→Calibrate→AUTO Calib Travel→Default→OK（4）校验完成恢复保护，定位器重新投入In servicefisher DVC6000系列气动执行器使用HART375调试方法FISHER DVC6000一 Fisher气动执行机构Fisher气动调门上其配备的DVC6000系列数字式阀门控制器是可以通讯的、基于微处理器的电－气转换仪表，除了把电流信号转换成气动输出压力这一标准功能外，还可以通过275型HART通讯器很容易地访问对于过程操作至关重要地信息。

一、技术参数：输入信号：4～20mA直流，标准输出信号：为执行机构要求的气动信号，最大可达到气源压力的95％。

最少范围：0.4bar（6 psig）最大范围：9.5bar (140 psig)气源压力：推荐值：比执行机构要求的最大值高0..3bar（5 psig）最大值：10.3bar（150 psig）或执行机构最大压力额定值，取两者中较低者二、 275型HART通讯器由于Fisher气动执行机构的控制器是用275型的HART通讯器来校验的，所以应该了解和掌握HART通讯器的使用。