Read a WebAccess DDE Server Tag from a DDE client

To read data from WebAccess SCADA node into a spreadsheet or similar DDE Client application, use the following format:





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