Abstract: It is incredible how many programmable logic controls (PLCs) around us make our modern life possible and pleasant.Machines in our homes heat and cool our air and water, as well as preserve and cook our food. This tutorial explains the importanceof PLCs, and describes how to choose compon ...
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标签：
PLC
信号链
上传时间：
2013-11-10
上传用户：liaocs77
