FB_HVACNOVRAM_Usint
 
 
VAR_INPUT
bSetDefault          : BOOL;
usiVar_Default       : USINT;                               bSetDefault: if the variable is TRUE, the value of the input variable usiVar_Default is adopted.
usiVar_Default: default value defined by the user. The variable is of the data type USINT.
VAR_IN_OUT
usiVar           : USINT;                          usiVar: variable that is programmed fail-safe by the user.