IC694CHS392 ABB
IC694CHS392 ABB通讯设可能不匹配。如果该PLC设置了串口通讯 IC694CHS392 ABB ,而编程软件的通讯设置没有与之相匹配,也不能通讯。这些设置包括这些项:波特率,奇偶,结束位,等等。

如果你怀疑这些设置有问题,试着直接连接该PLC,按照上面“SNP ID可能不正确”段落中讲述的方法。
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