modbus Public Sub Build_Request() Dim CRCWord As Long ReqLen = 0 With Main Slave Address .Request.Text = .Slave_Addr_Hex.Text + " " RequestStr(ReqLen) = Val("&H" + .Slave_Addr_Hex.Text) ReqLen = ReqLen + 1 Function

捷先Mbus水表测试。通用Mbus测试。(Czechoslovakia Mbus water meter test)