臺達DOP-AS38BSTD觸摸屏經(jīng)COM2控制9塊步進(jìn)電機驅動(dòng)板,但經(jīng)常出現Communication Error 3,Com2 Station 1;Read Error,Controller No Response...或是Initial PLC Control Area Fail!!!電機參數設置界面就無(wú)法進(jìn)入或是無(wú)法更改參數,第一塊驅動(dòng)板更換也不行,與別的屏對換后,還是那塊問(wèn)題屏存在問(wèn)題,請教高手怎么解決?(SYS設置如下:COM2:RS485,9600,1,8,N,10,300,3,15)