2-6
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Chapter 2
Analog Input and Temperature Sensor Measurements
Table 2-2.
Analog Input Configuration
AI Ground-
Reference
Setting
*
Floating Signal Sources
(Not Connected to
Building Ground)
Ground-Referenced
Signal Sources
*
Examples:
• Ungrounded thermocouples
• Signal conditioning with
isolated outputs
• Battery devices
Example:
• Plug-in instruments with
non-isolated outputs
Differential
(DIFF)
Non-Referenced
Single-Ended
(NRSE)
Referenced
Single-Ended
(RSE)
*
Refer to the documentation for your DAQ device for descriptions of the RSE, NRSE, and DIFF modes,
analog input signal sources, and software considerations.
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