VB和台达PLC上位机通讯软件

rc校验码。Р        Timer1.Enabled = FalseР        strout = ":" + str + + Chr$(13) + Chr$(10) '欲传送之数据。13为D,10为AР        m1.InBufferCount = 0Р        m1.Output = stroutР        Timer1.Enabled = TrueР    End IfРEnd SubРPrivate Sub YO_Click()Р    Dim strout As StringР    If y0flag = 0 ThenР        str = "FF00"Р        = LRC(str)   '计算 str的lrc校验码。Р        Timer1.Enabled = FalseР        strout = ":" + str + + Chr$(13) + Chr$(10) '欲传送之数据。13为D,10为AР        m1.InBufferCount = 0Р        m1.Output = stroutР        Timer1.Enabled = TrueР    ElseР        str = "0"Р        = LRC(str)   '计算 str的lrc校验码。Р        Timer1.Enabled = FalseР        strout = ":" + str + + Chr$(13) + Chr$(10) '欲传送之数据。13为D,10为AР        m1.InBufferCount = 0Р        m1.Output = stroutР        Timer1.Enabled = TrueР    End IfРEnd Sub