5. Parameter
5−4
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Parameter classes Attribute / use
Var Simple variable. Contains only one value.
The subindex does not have a function.
Array Contains multiple simple variables that all have the same signifi
cance, the same limits, the same unit, etc.
Example: Record list setpoint position (PNU 404).
The elements in the array are addressed using the subindex.
Struct (Record) Compilation of several single variables with different limit values etc.
Tab.5/2: Parameter classes for the CMAX
Data types
Attribute / use
bitarray 4−byte value whose individual bits have separate meanings.
char 8−bit ASCII characters.
int32 4−byte integer value with sign.
Tab.5/3: Data types for the CMAX