驱动程序提供了无需 PLC 或 µC 比例电磁阀控制

摘要：32分路、线性锥度的数字电位器作为可变电阻器的电压分压器，连接到DIM（操作系统作为电磁的PWM驱动程序）的LED驱动程序的输入。电路驱动器螺线管从6V直流至40V直流，使用只电磁6V40V直流源等。

Maxim>AppNotes>DigitalPotentiometersDisplayDriversLEDLightingKeywords:proportional-controlsolenoids,LEDdrivers,solenoiddrivers,digitalpotentiometers,pulse-widthmodulation,PWMNov05,2010APPLICATIONNOTE4503DriverProvidesProportionalSolenoidControlWithoutPLCorCBy:PhillLeyvaRobertBrewerAbstract:A32-tap,linear-taperdigitalpotentiometeractsasavariableresistorinavoltagedivider,connectedtotheDIMinputofanLEDdriver(operatingasaPWMdriverforthesolenoid).Thecircuitdrivessolenoidsrangingfrom6VDCupto40VDC,usingonlythesolenoid's6Vto40VDCsource.AsimilarversionofthisarticleappearedintheAugust14,2008issueofElectronicDesignmagazine.Theproportional-controlsolenoidsfoundinsomeindustr