APPENDIX

Private Sub Command3_Click()

'

'Disconnection

'

Dim rtn As Long

' Disconnection

rtn = ActEasyIF1. Close() If rtn = 0 Then

MsgBox "The disconnection was successful" Else

MsgBox "Disconnection Error:" & Hex(rtn) End If

End Sub

(b)When Visual C++® is used

//

//Connection

//

void CVCDlg::OnOpen()

{

long lRet;

CString szMessage;

UpdateData();

//Get LogicalStationNumber

m_actEasyIF. SetActLogicalStationNumber ( m_lLogicalStationNumber ):

//Connection

lRet = m_actEasyIF. Open(); if ( lRet == 0) {

MessageBox ( "The connection was successful" )

} else {

szMessage. Format ( "Connection Error: %x", lRet ); MessageBox ( szMessage )

}

}

MELSEC-Q

App. - 28

App. - 28