of data type __SYSTEM.VAR [...] __SYSTEM.VAR_INFO; // [...] _BLOCK FB_Velocity VAR

Constants and literals Constants are identifiers [...] declare constants

in the declaration section VAR_GLOBAL RETAIN PERSISTENT [...] with PERSISTENT RETAIN

qualifier CONSTANT RETAIN PERSISTENT CONSTANT RETAIN [...] '} VAR_GLOBAL CONSTANT

constant RETAIN : [...] : VAR (default [...] variable ( VAR ) Global

variables and constants

Compiler __var__retain__read__ Copying of retain [...] 123 GVLObject __var

RETAIN iVarRetain: INT [...] Implementation iVar := 100; iVarRetain [...] the variables iVar , iVarRetain

the initialization of retain [...] all retain variables [...] where the retain variable retvar

RETAIN END_VAR Message [...] 0175 Message : 'RETAIN [...] cause : 'RETAIN