自控仪表回路编号原则.doc

1、1 / 3自控仪表专业回路编号系统自控仪表专业回路编号系统(process instrument loop number system)一 控制阀的位号区分开关阀及调节阀。开关阀：HV- loop tag No.调节阀： LCV- loop tag No.， FCV- loop tag No.， QCV- loop tag No.，HCV- loop tag No.The control valve is marked as follow:On/off valve: HV- loop tag No.Control valve: LCV- loop tag No., FCV- loop tag

2、No., QCV- looptag No., HCV- loop tag No.表表1.1.仪表辨认功能代码仪表辨认功能代码TABLE 1. INSTRUMENT IDENTIFICATION FUNCTION CODES字母LETTERGroup 1Measured or Initiating VariableGroup 2Succeeding Letters被测变量MEASUREDVARIABLE修饰词MODIFIER被动功能ReadoutorPassivefunction输出功能Outputfunction修饰词MODIFIERA分析Analysis报警Alarm报警器Annunciat

3、orB炉膛火焰Burner FlameC电导率Conductivity控制Controlling控制器Controller关CloseD密度Density差异DifferenceE电压Voltage一次元件PrimaryElementF流量Flow比率RatioG计量，长度Gauging, Length量表Gauge, GlassH手动操作HandOperated上限HighI电流Current指示Indicating指示表IndicatorJ功率Power扫描ScanK时间，时间程序Time, Time操作器OperationInterface2 / 3programL液位Level灯Lam

4、p下限LowM水分， 湿度Moisture,Humidity中,中间MiddleN供选用Users ChoiceO供选用Users Choice节流孔 orifice开OpenP压力PressureQ浓度、数量ConsistencyQuantity or Event累积Integrate,Totalize积算器Integrator,TotalizerR核放射线NuclearRadiation记录Recording记录仪Recorder,打印机PrinterS速度，频率Speed,Frequency安全Safety开关SwitchT温度Temperature传输Transmitting变送器Tr

5、ansmitterU多变量Multi-variable多功能Multi-function多功能Multi-function多功能Multi-functionV粘度Viscosity阀门ValveW重量，力Weight, Force套管WellX未分类Unclassified未分类Unclassified未分类Unclassified未分类UnclassifiedY供选用Users Choice转换器，传感器Converter,TransducerZ位置Position驱动器，执行器终端控制元件Driver,Actuator,Final controlelement表表2.2.预定义仪表辨认功能

6、代码预定义仪表辨认功能代码TABLE 2. PRE-DEFINE INSTRUMENT IDENTIFICATION FUNCTION CODESNo.仪表辨认功能代码Instrument Identification Function Code意义Meaning1)控制阀：Control Valve:aFCV流量控制阀Flow Control ValvebPCV压力控制阀Pressure Control ValvecLCV料位控制阀Level Control Valve3 / 3dQCV浓度控制阀Consistency Control ValveeACV分析设备控制阀Analytical E

7、quipment Control Valve2)开关阀On-Off Valve:aHV自动开关阀Automatic On-Off ValvebGV手动开关阀Handle On-Off Valve3)电磁阀(与控制或开关阀一体)Solenoid Valve(Integrated With Control or On-Off Valve)aSV电磁阀Solenoid Valve4)电磁阀(独立)Solenoid Valve (stand alone)aEV电动的电磁阀Electric Solenoid Valve5)阀门限位开关Limit Switch For Valves:aZSC关限位开关Li

8、mit Switch ClosebZSO开限位开关Limit Switch Open6)阀门定位器Positioner:aFY流量控制阀定位器Flow Control Valve PositionerbPY压力控制阀定位器Pressure Control Valve PositionercLY液位控制阀定位器Level Control Valve Positioner7)分析仪表Analytical Instrument:aAE分析仪一次元件Analytical Primary ElementbME湿度一次元件Moisture Primary ElementcMT湿度变送器Moisture TransmitterdMIC湿度指示控制器Moisture Indication ControllereNE浓度一次元件Consistency Primary Element8)称重系统Weighing System:aWE负荷传感器(重量一次元件)Load Cell (Weight Primary Element)bWT重量变送器Weight TransmittercWR重量记录仪(计算机)Weight Recorder (Computer)dWI重量指示仪Weight Indicator9)扭矩测量Torque Measurement:aYT扭矩变送器Torque Transmitter