資料目錄：

 第1章PLC周邊常用器件介紹及簡單應用..............................................................................-1-1.1按鈕開關...........................................................................................................................-1-1.2繼電器..............................................................................................................................-2-1.3三極管..............................................................................................................................-4-第2章常用繼電器控制電路與相應PLC梯形圖解說..............................................................-5-2.1點動電路...........................................................................................................................-5-2.2帶停止的自動保持電路..................................................................................................-6-2.3自保持互鎖電路.............................................................................................................-7-2.4先動作優(yōu)先電路.............................................................................................................-8-2.5后動作優(yōu)先電路.............................................................................................................-9-2.6時間繼電器...................................................................................................................-10-2.7計數(shù)器.............................................................................................................................-12-第3章PLC編程相關軟件安裝....................................................................................................-13-3.1三菱PLC編程工具的安裝...........................................................................................-14-3.2安裝USB轉(zhuǎn)串口芯片PL2303驅(qū)動..............................................................................-22-第4章三菱GXDeveloper8.31中文版編程軟件的使用...........................................................-23-4.1創(chuàng)建工程文件.................................................................................................................-24-4.2打開工程..........................................................................................................................-29-4.3計算機與PLC連接........................................................................................................-30-4.4工程文件寫入PLC..........................................................................................................-34-4.5計算機在線監(jiān)視PLC...................................................................................................-36-第5章常用繼電器控制電路轉(zhuǎn)PLC程序編寫測試..................................................................-37-5.1點動電路編寫測試.........................................................................................................-38-5.2帶停止的自保持電路編寫測試......................................................................................-40-5.3自保持互鎖電路編寫測試...............................................................................................-43-5.4先動作優(yōu)先電路編寫測試..............................................................................................-47