I am using a LabJack U3 with a CB15 and I cant seem to figure out how to set/read voltages on the CB15 in C#. For example, to set the voltage on the DAC0 pin on the U3 I can do something like "LJUD.AddRequest(u3.ljhandle, LJUD.IO.PUT_DAC, 0, 4.8, 0, 0);" and I can also read voltages from specific channels but I cant figure out how to reference the CB15. Any tips?
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The CB15 only provides access to additional digital IO. They are accessed with the same commands as the FIO. The channel numbers passed to the AddRequest or eGet/ePut calls should be the DIO# as described in the U3 datasheet:
https://labjack.com/support/datasheets/u3/hardware-description/dio
There is further information about the digital IO control in the device psuedocode sections:
https://labjack.com/support/datasheets/u3/high-level-driver/example-pseu...
There are also a few brief demonstrations in the U3_Simple C# example included in our C# example package on the following page:
https://labjack.com/support/software/examples/ud/dotnet