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12. If the USB Licence key is plugged in to the USB Port of the PC then the software will start reading
the data from the devices and log the data to the PC.
6.2.4 Dynamic Data Exchange (DDE)
Dynamic Data Exchange (DDE) is a standard inter-application communication protocol built into
Microsoft Windows operating systems and supported by many applications that run under Windows. DDE
takes data from one application and gives it to another application. It allows Windows programs that support
DDE to exchange data between themselves.
Data from DAQ software can be exchanged with Excel on DDE link. After completion of all
network configuration (adding of all Modbus slaves), then open Data acquisition studio software – Real-time
viewer. Open the existing project or create a project then go to File Menu in Real time Viewer then select
Create DDE Link in Excel.
Specify the path and file name as follows. By default the file name will start with DDE and the
project name with underscore. Save the file name in PC at selected path as above to proceed further.
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