User manual

Chapter 3 Software Overview
© National Instruments Corporation 3-49 NI-DAQ User Manual for PC Compatibles
Reference Voltages for Analog Output Devices
Table 3-4 shows the output voltages produced when you select unipolar
output polarity.
Table 3-5 shows the output voltages produced when you select bipolar
output polarity.
Table 3-4. Output Voltages with Unipolar Output Polarity
Device
Value in Waveform Buffer
0 4,095 65,535
AT-MIO-16X, AT-MIO-16XE-10,
PCI-MIO-16XE-10, PCI-MIO-16XE-50,
PCI-6031E (MIO-64XE-10),
VXI-MIO-64XE-10, 6052E,
6053E devices
0V — Reference
voltage
All other MIO devices 0V Reference voltage —
AT-AO-6/10 0V Reference voltage
(+10 V in default case)
—
Lab and 1200 devices with analog output 0V +5 V —
Table 3-5.
Output Voltages with Bipolar Output Polarity
Device
Value in Waveform Buffer
–2,048 2,047 –32,768 32,767
AT-MIO-16XE-10,
PCI-MIO-16XE-10,
PCI-MIO-16XE-50,
PCI-6031E
(MIO-64XE-10),
VXI-MIO-64XE-10,
PCI-6110, PCI-6111,
6052E, 6053E devices
— — Negative of
the reference
voltage
Reference
voltage
All other MIO devices,
671X devices, 622X devices
Negative of
the reference
voltage
Reference
voltage
— —