| 1. | Engine parameter acquisition display system is an important member of helicopter seat room display system , and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ) . epu is joined with engine electronic controller , fuel manage system , engine and accumulator by the wire . it acquire the parameter of engine , for example , analog signals , frequency signals and discrete signals , etc . then data processing , compare data and operation is executed 发动机参数采集器通过硬连线与发动机电子控制器、燃油管理系统、发动机及蓄电池相连,采集模拟量、频率量及离散量信号等参数,并对采集的数据进行运算、比较与处理,最后通过标准rs ? 422a串口和发动机参数显示器及其它设备进行通讯。 |