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National Instruments Corporation
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3
Configuring and Testing
This chapter describes how to configure the SCXI-1521/B in MAX for use
with NI-DAQmx. It also describes how to create and test a virtual channel,
global channel, and/or task.
SCXI-1521/B Software Configurable Settings
This section describes how to set the voltage excitation level, and
gain/input signal range, as well as how to use configuration utilities in
MAX to programmatically perform offset null compensation and shunt
calibration. It also describes how to perform configuration of these settings
for the SCXI-1521/B in NI-DAQmx. For more information about the
relationship between the settings and the measurements and how to
configure settings in your application, refer to Chapter 4,
Common Software-Configurable Settings
This section describes the most frequently used software configurable
settings for the SCXI-1521/B. Refer to Chapter 4,
, for
a complete list of software configurable settings.
Bridge Configuration
Bridge configuration is a software configurable setting that allows you to
easily configure the bridge type. The SCXI-1521/B only supports the
quarter-bridge I strain-gauge bridge configuration.
Excitation Level
Excitation level is a software configurable setting that allows you to set the
excitation voltage level of the module. You can choose voltage excitation
settings between 0 and 5 V in 1,023 increments.
Refer to Appendix A,
, for more information about the
excitation voltage settings on the SCXI-1521/B.
