SC SERIES C　REV.１

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6高级计算功能和顺序控制功能应用广泛DCS应用广泛DCS应用实例应用实例Function Block StructureFunction Block StructureSC100控制水和注入化学药品的两个流动回路。使化学药品流量与水流量成恒定比率。可一并监视pH值和传导率分析仪的其他信号。批量控制反应槽中温度控制的实例。反应槽温度控制回路以级联方式控制对温水槽的流量。温水槽的控制回路对水和蒸汽的两个控制阀进行控制。化学药品注入控制化学药品注入控制反应器温度控制反应器温度控制Multi-Function PID Controller控制功能和计算功能通过结合多种基本和高级功能块来实现，而这些功能块通常仅见于DCS系统中。2个PID模块、48个计算模块和12个顺序控制模块（1068条命令）可用于SC系列所有版本的产品，适用于广泛的应用领域。NestBusCommunication BlocksSC200 / SC210NestBus TerminalField I/O TerminalField Terminal BlocksOperations Blocks3231302928272625242322212019181716151413121110987654321Control Blocks21161...Sequential Control Commands Blocks121110654321987Large Operation Blocks6548732181...• Basic PID• Advanced PID Pulse Input• Pulse adder• Pulse/analog multiplication• Pulse accumulator• Pulse input / Discrete contact output Filters• First order lag, First order lag with two time constants• Ramp buffer• Mean average• Moving average• Lead time/dead time computation• Dead time compensation, Dead time accumulation• Rate of Change Limit Others• Parameter setter• Numeral converter• Weight totalizer• Analog/pulse duration converter• Signal hold (max, min, momentary) Signal Limiters• High/low limiter, Deviation limiter Process Functions• Square root extractor, Absolute value• Non-linear gain, Deadband• Low-end cutout• Temperature/pressure compensation Math Functions• Addition / Subtraction• Multiplication• Division Signal Selectors• Input selector, Max value selector• Min value selector, Parameter selector Alarm• High/low alarm, Deviation alarm• Rate of change alarm Sequential Control• Timer, Counter• Manual loader• Ratio setter• IndicatorFunction Block Structure• Linearizer• Ramp program• Batch ProgramAnalog I/ODiscrete I/OAnalog I/ODiscrete I/O• Di Receive Terminal• Do Send Terminal• Ai Receive Terminal• Ao Send TerminalSC1001-5VAi1PV1PV1SP1PV2MV1MV1MV24-20mA4-20mASC100T/C输入T/C输入材料抽水机温水槽控制阀流量计蒸汽水4-20mA有功输入（2线制）1-5V1-5VAi1Ai2PV1MV1PV2MV24-20mA4-20mA4-20mA1-5VpHSC100水流量计流量计控制阀控制阀化学药品传导率线上混合器4-20mA有功输入（2线制）温度传感器温度传感器

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