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ADS131A04EVM - ADC's channels not enable

Other Parts Discussed in Thread: ADS131A04

Hello everyone!

I have Evaluation Module with ADS131A04. I have Windows 7 on my PC with .NET Framework 4.5. I inslallated DELTASIGMAEVAL-GUI-installer.exe and driver for Evaluation module, drivers installed correctly. I connected hadware (without input signals) and started software, but when I opened "Data Analysis"  to collect data ADS's channels wasn't enable. When i pressed button "Collect Data" nothing happend.

Then I tried to make channels enable by changing register AD_ENA in Register Map. I choose "All ADC channels enabled" and bytes 0, 1, 2, 3 become 1.

I press button "Write Selected Register" and bytes turns to 0!

What am I doing wrong and somebody can help me?