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之前，分享過一些雙手啟動(dòng)的例子，最近看到一種方法，展示出來供參考。

                          X35                                                            X36
---------------------▏      ▏-----------------------------------------------▏       ▏--------------------------------------------------------[PLS    M12   ]
                    雙手啟動(dòng)（左）                                            雙手啟動(dòng)（右）
                                      M12                                    C6
-------------------------------▏       ▏---------------------------▏  /    ▏-----------------------------------------------------------------------（ Y18    ）  
                                 雙手啟動(dòng)         ▏               雙手啟動(dòng)計(jì)數(shù)                                                                                       輸出
                                                        ▏
                             Y18                     ▏
-------------------------▏       ▏-------------
                             自鎖
                                      M12                                        
-------------------------------▏       ▏--------------------------------------------------------------------------------------------------------------(C6    K2)
                                  雙手啟動(dòng)                                                                                                                                雙手啟動(dòng)計(jì)數(shù)

                                      C6
-------------------------------▏       ▏---------------------------------------------------------------------------------------------------------------(T8  K15)
                                   雙手啟動(dòng)計(jì)數(shù)                                                                                                                     雙手啟動(dòng)兩次開始計(jì)時(shí)

                                      T8
------------------------------▏        ▏---------------------------------------------------------------------------------------------------------------[RST  C6 ]
                                   時(shí)間到閉合                                                                                                                                 C6復(fù)位

以上，僅供參考。

這段程序已在設(shè)備上使用了,只要先找個(gè)小PLC,然后將該梯形圖輸入,試一下就 知道能否使用了。