exhaust fan vfd freq sensor point – Project Haystack

proto

exhaust fan vfd freq sensor point

implements

exhaust

Duct used to expel air back outside

fan

Fan equipment or control point

freq

Occurrences per unit time

point

Data point such as a sensor or actuator

sensor

Point is a sensor, input, AI/BI

vfd

Variable-frequency drive

vfd-freq

VFD frequency measured in "Hz"