求助 加扩展的问题
问个简单的西门子200的问题CPU 222 CN 8入6出(继电器)后能加扩展 EM 223 CN 8入8出(继电器)吗?? 最多能加几个??
谢谢 急 http://www.ymmfa.com/images/post/smile/default/lovely.gif哪个大哥帮帮我吧http://www.ymmfa.com/images/post/smile/default/lovely.gifhttp://www.ymmfa.com/images/post/smile/default/lovely.gifhttp://www.ymmfa.com/images/post/smile/default/lovely.gifhttp://www.ymmfa.com/images/post/smile/default/lovely.gifhttp://www.ymmfa.com/images/post/smile/default/lovely.gifhttp://www.ymmfa.com/images/post/smile/default/lovely.gif 可以扩展2个模块
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