write different values to DAQ

Hi, I am using NI PXI 4461 DAQ card. This card has 2 output channels

I would like to write a sine wave to channel 0 and DC output to Channel 1

Could you please let me know how should I set the DAQmx functions to do this

My other quetion is , can I set and write to 1 channel and then while the other acquisition is running set the other one?

or I will get driver is in use error