This option is chosen during U30 system configuration. Enables analog sensor input.
The VIA sensor supports the following measurements: 4-20mA, Air Velocity, Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage and Volatile Organic Comp.
Inputs: 2 channels – User configured as 0-20mA or 0-20VDC
Sensor Power: Switched 12 VDC, up to 50 mA: user-selectable warm-up from 5 milliseconds to 2 minutes
Scaling: Linear scaling to user units
Accuracy: +/- 0.25% full scale
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