HvacAirDensity (FUN)

FUNCTION HvacAirDensity : REAL

This function calculates the density of air between 0 and 100 degree Celsius depending on pressure, humidity and temperature.

InOut:

Scope	Name	Type	Initial	Comment
Return	HvacAirDensity	REAL
Input	Enable	BOOL	FALSE	1: Enabling of the function processing
	AirTemp	REAL	0	2: Air temperature in Celsius
	AirPressure	REAL	0	3: Air pressure in Pascal
	RelHumidity	REAL	0	4: Relative humidity of the air in %, (50 = 50%)