FB_HVACPersistent_Usint

FB_HVACPersistent_Usint 1:

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.