Enthalpy

The function block has the input pins t, and rh, and an output pin OUTPUT. This function computes the enthalpy (BTU/LB) based on the temperature (Deg.F) and relative humidity (percent) inputs. Relative humidity (rh) is limited to 0 to 100 percent. Temperature is limited to 0-120 Deg.F.

Analog Inputs

Range
Input Name Low High Input Value Description
t 0 Deg.F 120 Deg.F unconnected output = invalid
(F) invalid output = invalid
VAL < low T = low
VAL > high T = high
rth 0 100 unconnected output = invalid
(%) invalid output = invalid
VAL < low RH = low
VAL > high RH = high

Output

Output Name Range Description
Y Any floating point value Output = Enthalpy (t, rh)