描述:Metal Film Resistors - Through Hole Product Category:Metal Film Resistors - Through Hole Product Attribute:Attribute Value Manufacturer:TT Electronics
请问PC与PLC通讯怎么发送命令?在网上看到有下面这段代码:Public Function GetData(ByVal StartAddress As String, ByVal GetBytes As Integer, ByVal Hex_Bytes As String) As StringMSComm1.InputLen = GetBytes * 2 + 4MSComm1.Output = S
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