HART Toolbox - Help on COMEDI blocks

[Rakhi Warrier]

Hello
We plan to set up a lab for  DAQ cards at IIT Bombay based on Scilab. The toolbox used is HART (Hardware access in real time- Ver - 0.4.3), on Scilab 5.3.0 using Xcos. COMEDI is installed. OS is Ubuntu 9.04. Currently working on USB-DUX Fast DAQ boards. We use the COMEDI A/D block of the HART toolbox in Xcos. 
 The analog input to the Channel 0 is about 1V.
 The device is recognized as /dev/comedi0.  Please find attached the xcos screenshot. The output of the COMEDI A/D block is input to a file. The data collected is also attached.

We get values ranging from -0.1 to 2.25. Unable to understand this format. 
Could you help us out?

Regards
Rakhi
Virtual Labs
IIT Bombay






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