我廠一臺(tái)伺服設(shè)備運(yùn)障,使用的是QD75M4H4 QD75M4 ,查看U806故障代碼是101,QD75M4技術(shù)手冊(cè)上說(shuō)是“PLC QD75M4 READY SIGNAL OFF DURING OPERATION”,處理方法是“REVIEW THE PLC PROGRAM WHICH TURNS ON/OFF PLC READY SIGNAL (Y0).。問(wèn)題是程序中沒(méi)有關(guān)掉PLC READY信號(hào),請(qǐng)問(wèn)為