Electronics and Software
Engineering Innovation

Connecting Analog Input Signals

The following table summarizes the recommended input configuration for different types of signal sources.

Floating Signal Source
(Not Connected to Building Ground)
Ground-Referenced Signal Source
Examples
  • Ungrounded thermocouples
  • Signal conditioning with isolated outputs
  • Battery devices
Example
  • Plug-in instruments with nonisolated outputs

Refer to Analog Input Terminal Configuration for descriptions of the input modes.