
Analog Input
Configuration
AI Input Type:
Measurement
Units
Note: The data base in the
Each analog input is defined and configured by the following parameters:
∙Tag name (optional,
∙Measurement units (for RTD inputs)
∙Enable square root
∙Alarm on unfiltered value
∙Input signal range
∙Alarm limits
∙Filter time constant
The GX Tool determines the input signal range with a
Via the GX Tool
Select XTn, AIn, then either Active or Passive.
Note: All AI points must be configured even if not connected to a sensor to enable the generation of a complete IO Map and to ensure correct operation with the
Via the GX Tool
The selection of Celsius or Fahrenheit, is set in the Global data of the
To determine the measurement units of active inputs, select XTn, AIn, Data, and then enter in the “Measurement Units” field:
0 = None
1 = Temperature (“C” or “F” as entered in Global)
2 = Percent (%)
Note: The units of an active input are not read by the