→Instance

according to →IEC-standard: individual, named copy of the data structure associated with a →function block type, →class, or →program type, which keeps its values from one call of the associated operations to the next

Information on declaring function block instances and class instances in ST is listed under "Declaration of function block instances or class instances in ST".

Information on assigning program instances and program types is listed under "Assigning program type within PLC-object" and "Assigning more program types (= creating new instances)".