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PLC繼電器輸出響應(yīng)快        還是          晶體管輸出響應(yīng)快                                                                                                                                                                                    要求動(dòng)作特快的是不是  要有晶體管輸出的PLC

毫無(wú)疑問(wèn)，晶體管速度快啊。