IC693PCM301M
IC693PCM301M
語句表語言
這種編程語言是一種與匯編語言類似的助記符編程表達方式。在PLC應用中,經常采用簡易編程器,而這種編程器中沒有CRT屏幕顯示,或沒有較大的液晶屏幕顯示。因此,就用一系列PLC操作命令組成的語句表將梯形圖描述出來,再通過簡易編程器輸入到PLC中。雖然各個PLC生產廠家的語句表形式不盡相同,但基本功能相差無幾。以下是與圖1中梯形圖對應的(FX系列PLC)語句表程序。
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