IC693PCM311CA 

IC693PCM311CA定時和計數控制

PLC具有很強的定時和計數功能，它可以為用戶提供幾十甚至上百、上千個定時器和計數器。其計時的時間和計數值可以由用戶在編寫用戶程序時任意設定，也可以由操作人員在工業現場通過編程器進行設定，進而實現定時和計數的控制。如果用戶需要對頻率較高的信號進行計數，可以選擇高速計數模塊。

（5）順序控制

在工業控制中，可采用PLC步進指令編程或用移位寄存器編程來實現順序控制。

（6）數據處理

現代的PLC不僅能進行算術運算、數據傳送、排序及查表等操作，而且還能進行數據比較、數據轉換、數據通信、數據顯示和打印等，它具有很強的數據處理能力。

（7）通信和聯網

現代PLC大多數都采用了通信、網絡技術，有RS-232或RS-485接口，可進行遠程I/O控制。多臺PLC彼此間可以聯網、通信，外部器件與一臺或多臺可編程控制器的信號處理單元之間可以實現程序和數據交換，如程序轉移、數據文檔轉移、監視和診斷。通信接口或通信處理器按標準的硬件接口或專有的通信協議完成程序和數據的轉移。

IC693PCM311CA 

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