National Instruments Measure Data Acquisition - Manual (Page 37)

Chapter 4 Analog Input Reference
© National Instruments Corporation 4-9 Measure Data Acquisition User Manual
Table 4-4 contains a list Analog Input Mode choices with descriptions
of their use.
Table 4-4. Choices for Analog Input Mode Dialog Box
Choices for Analog Input Mode Description
Differential Channels Select this option if you want each channel to use two
analog channel input lines. One line connects to the
positive input of the device amplifier, and the other
connects to the negative input of the amplifier. Refer to
the user manual for your DAQ device for more
information about input modes available on your device.
Referenced Single-Ended Channels Select this option if you want each channel to use one
analog input channel line, which connects to the positive
input of the amplifier. The negative input of the
amplifier is internally tied to analog input ground
AIGND . Refer to the user manual for your DAQ device
for more information about input modes available on
your device.
Non-Referenced Single-Ended
Channels Select this option if you want each channel to use one
analog input channel line, which connects to the positive
input of the amplifier. The negative input of the
amplifier connects to the analog input sense
AISENSE
input. Refer to the user manual for your DAQ device for
more information about input modes available on your
device.
Note: The Analog Input Mode on some devices is not configurable within Measure.
If you have such a device, you must exit Measure and change the mode using
the NI-DAQ Configuration Utility. If you have a device with jumpers, you
must exit Measure, power down your computer, change the jumpers, and run
the NI-DAQ Configuration Utility (
WDAQCONF.EXE ) to configure the new
setting. Refer to the NI-DAQ User Manual that came with your device for
more information.