部门：仪电部DATE\@"yy-M-d"24-10-6/TIME\@"H:mm"2:36用途：基础工作第页共NUMPAGES14页FILENAME\p/data/storage_other/documents/2024-09-10/66e036e1a8e6e/英语百句-仪表1.doc仪表专业常用英语百句1.Theinstrumentationwillberatedtowithstandthelocalambientconditions.仪表应该能够承受现场环境条件.2.Theelectricpowersupplyforinstrumentationwillbe24VDC.仪表供电电源应该是24VDC.3.Foranyoperatorcontrolstationitshallbeabletomonitorandcontroltheprocess。操作站应该能够监控工艺流程.4.Two-wirestandardpressuretransmitterswillbeinstalledforpressureanddifferentialpressuremeasurement。压力和差压的测量应该采用两线制的压力变送器。5.TheI/O-cardsshallbereplaceablewiththesystemenergizedonlinewithoutaffectingthefunctionoftheremaindersystem。I/O卡应该能在线带电插拔,而不影响其他系统的功能。6.Areaalarmlistwhichwillrepresentthealarmsofallunitlistsassignedtothearea.区域报警表应该能描述所有分配到指定区域的单元报警信号.7.Thecontrolroomisthecentralroomwherealltheessentialfunctionsofprocesscontroltakeplace。控制室是实现所有过程控制基本功能的地方.8.AsfaraspossiblefieldinstrumentsshallbepoweredbytheDCS。现场仪表应该尽可能地由DCS系统供电。9.Thedocumentationshallcomplywiththemanufacture’sstandards。文件应该符合制造厂家的标准。10.Logicandsequencecontrolshallbedoneexclusivelyinthecontrolunits。联锁和顺控逻辑应在独立的控制单元完成。11.Standardsignalsof4~20mADCshallbesuitableforallrelevantsignalstocontrolroom,exceptfortemp.Measuringelementsandspecialmeasuringinstruments.除温度检测信号和特殊检测仪表外，其它信号都采用4~20mA标准信号.12.Standardpneumaticsignalsof20~100Kpashallbesuitableforcontrolvalves,localcontrollers,exceptforhigherpress.Requestisnecessary.除非有更高的要求，调节阀、就地控制器都采用20~100KPa标准气动信号13.Allinstrumentmaterialchoiceshouldbebetterconsideredtofittheprocessrequirements,C.S.linedPTFEshallbeusedformaterialsthatcontactwithseawater.仪表材质的选择要满足工艺介质的要求，与盐水接触的部件选用C.S.衬PTFE。14.Instrumentenclosuresshouldbesatisfiedwiththerequesttoresistthecorrosionofsaltfog.仪表防护应满足抗盐雾腐蚀的要求。15.Powersupplyforinstrumentsandcontrolsystemshallbefromtwoindependentloopsthatcouldbeswitchedautomatically,voltage:220Vac,50HZ.仪表和控制系统由两个相互独立回路提供电源，这两个回路可以自动切换。电压要求：220VAC，50Hz。16.Thereisacontrolroominthecontractfactory,i