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晚上好：我想問(wèn)一下CPU是222的PLC面板上有一個(gè)微調(diào),請(qǐng)問(wèn)如何編寫才能控制定時(shí)器的定時(shí)長(zhǎng)短？請(qǐng)舉例子說(shuō)明謝謝各位。
                                                    
[因我是新手]                                                                                                        

手冊(cè)上都有，仔細(xì)看遍手冊(cè)再問(wèn)