用拨码开关对PLC定时器和计数器参数设定的新方法

The Method of Parameter Setting up With Numbered Switch for Timer and Counter of PLC

本文提出利用数据变换指令DMPX和MLPX,只用一位BCD码开关,占用很少的输入点实现PLC多个、多位的定时器和计数器的外部设定.

The paper presents the instructions of transform data DMPX and with one bit numbered switch of BCD to realize the setting up of the multitude and multibit timer.