发表于:2008-11-19 08:37:12
楼主
我有台进口设备,WIN98的PC控制.PC与机器通过9针串口联接,接口开路对壳电压1-9脚分别0.02,0.02,-8.9,-8.9,0.02,-8.9,0.02,0.02.机器接口分别为0,-5.75,0,0,0,0,0,5.68,0. 各脚功能分别为1--NC,2--RXD,3--TXD,4--NC,5—GND,6—NC,7—RTS,8—CTS,9—NC.因原PC有问题,不知可否用普通PC代用,串口能直接联接吗?原机器接口板上有MAX232ECPE集成块.望那位高人指点.