与三菱PLC通讯问题

问题描述：
EB8000V4.42版本软件在和三菱PLC通讯时，当触摸屏所些地址超出PLC地址范围时，不报通讯异常错误，而且还发生地址控制不正常现象：如触摸屏上做出地址Y97控制PLC实际地址Y0,Y28控制PLC地址Y2, Y38控制PLC地址Y3, Y48控制PLC地址Y4等等。

解决思路：  
由于驱动是属于通用型，因此无法判断PLC的地址范围，需通过使用者自行判断PLC地址范围；

？？怎么办 我的mb8000 与plc连接的时候 plc no response

检查一下通讯电缆是不是过长。还有就是设置一下波特率。看看有没有效果。

我的也同样plc连接的时候" plc no response ",波特率应当是多少,目前是9600

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