07NG61R2 GJV3074311R2 ABB

The RC filter circuit of the digital input module is used to filter out the interference noise introduced by the input terminal and eliminate the adverse effects caused by the jitter generated by the action of the external input contact.The time constant of the filter circuit determines the length of the input filter time.The input delay time of the input module can be set with STEP7.

数字量输入模块的RC滤波电路用来滤除由输入端引入的干扰噪声，消除因外接输入触点动作时产生的抖动引起的不良影响，滤波电路的时间常数决定了输入滤波时间的长短，有的输入模块的输入延迟时间可以用STEP7设置。