National Instruments Measure Data Acquisition User Manual page 53

Device Channel #s
AT-AO-6 0 through 5,
AT-AO-10 6 through 9*
PC-AO-2DC 0, 1
(Plug and Play)
DAQCard-AO-2DC 0, 1
*AT-AO-10 only
DAC Type
Limits (V)
12-bit double-
±10V, ±Vref1,
buffered
0 to 10,
with 1 K FIFO
0 to Vref1,
for update clock 1
4 to 20 mA,
channels
4 to
Vref
0 625 .
0 to 10V, ±5V,
0-20mA sink
software-selectable
0 to 10V, ±5V,
0-10mA sink
software-selectable
Output Waveform Grouping Transfer Method
For update clock 1
channels are any one
channel N or set of
channel pairs: 0-N;
for update clock 2
1 2 5 .
channels are 2-N,
mA
same rules as above:
N=6, N=10*
Update clock 1
channels: DMA,
interrupts;
update clock 2
channels:
interrupts