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Can WinWedge send data to an instrument?

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Last Modified:	3rd Jan 2013
Category:	Laboratory Applications > WinWedge
Platform:	All
Version:	All

Article Ref.:	13D4E
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I am saving data to disk as an ASCII text file. Could I use WinWedge to send this data to a machine with an RS232 output?

This can be done using a macro in Excel or Visual Basic. One of the DDE Commands supported by WinWedge is "SendFile". Thus the following Excel macro would send the file data.txt out the serial port COM 2:

Sub SendMyFile()
Chan = DDEInitiate("WinWedge", "Com2")
DDEExecute Chan, "[SENDFILE('c:\data.txt')]"
DDETerminate Chan
End Sub

Alternatively, a string of control codes can be sent out of the serial port by issuing the DDE command "[SendOut()]" to WinWedge. This example sends an escape character (ASCII 27), a capital "P" and a carriage return-linefeed (ASCII 13 and ASCII 10).

Sub SendEscapeP()
ChannelNumber = DDEInitiate("WinWedge", "COM1")
DDEExecute ChannelNumber, "[SENDOUT(27,’P’,13,10)]"
DDETerminate ChannelNumber
End Sub

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