To read data from WebAccess SCADA node into a spreadsheet or similar DDE Client application, use the following format:
=bwddexe|topic!tagname
=bwddexe|topic!tagname.field
=bwddexe|topic!BLOCK:PARAMETER
=bwddexe|topic!BLOCK:PARAMETER.field
For example,
To read the value of the tag named speed: =bwddexe|topic!SPEED
To read the Hi Span of a tag name speed: =bwddexe|topic!SPEED.SPANHI
To read the engineering units of speed: =bwddexe|topic!SPEED.ENUNIT