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The lowest limit in the constant current mode of the power supply seems to be 30mA and 10mA for the different channels. The spec sheet defines the limit of accuracy as 10mA and 4mA. Why the discrepancy?
Before I can really dig into this issue, I would have to know what exact power supply you are using. We have many different power supply products. Which one are you using?
Nolan H. Applications Engineer National Instruments
Beginning with VirtualBench 15.1, the demo mode simulates a VB-8034, not a VB-8012. The demo should therefore match the 8034's specs. You can see the model being simulated if you look at the File >> About dialog.