Example 1 - Send value of tag named Text50 to EXCEL spreadsheet cell named REALDATA, EXCEL must be running and a single Workbook opened.
set x [GETVAL text50]
DDEPOKE "EXCEL|Sheet1!REALDATA=$x"
Example 2 - Send value of analog1 to EXCEL workbook named Book1.xls, cell named REALDATA.
set x [GETVAL analog1]
DDEPOKE "EXCEL|Book1.xls:Sheet1!REMOTESP=$x"
Example 3 - Get value from EXCEL spreadsheet from cell named RSP. EXCEL must be running and a single Workbook opened.
DDEREQUEST "text70=EXCEL|Sheet1!REMOTESP"
Example 4 - Get value from EXCEL spreadsheet from cell named RSP in workbook namedBook1.xls
DDEREQUEST "text70=EXCEL|Book1.xls:Sheet1!REMOTESP"