这两类数字信号分别为通断信号和脉冲序列信号。
The two digital signal types are the on-off signal and the pulse train signal.
仪表设上、下限二位开关型接点装置，在压力达到设定值时发出信号或通断控制电路，供作业系统自动控制或发讯用。
Instruments based on the lower limit of two switch-contact device, the pressure to set a signal or when the value of on-off control circuit for the operating system's automatic control or the use.
应用：用于指示电路的通断状态，机壳或外壳的正面操作或操作台上可以见信号指示。
Application: Used to indicate the "on" or "Off" position of circuit breaker, the signals can be seen on the case or its front or on the operating stage.
应用推荐