: PROGRAM PLC_PRG VAR inst0 : FB1; END_VAR FUNCTION_BLOCK FB1 VAR

: PROGRAM PLC_PRG VAR inst : FB; END_VAR [...] _BLOCK FB VAR_INPUT END_VAR

(example: VAR_INPUT , VAR_OUTPUT , or VAR [...] STRUCT VAR

> ; END_VAR <scope> : VAR | VAR_INPUT | VAR_STAT | VAR

: PROGRAM PLC_PRG VAR inst : FB; END_VAR [...] FB_exit VAR

_PRG VAR j : INT := g_i; END_VAR GVL1: VAR_GLOBAL g_i : INT; END_VAR

_PRG VAR fb : FB; END_VAR [...] EXTENDS FB2 VAR i : INT; END_VAR FUNCTION

_PRG VAR xyz : XY2; END_VAR [...] METH1 VAR_INPUT END_VAR [...] 1 VAR_INPUT iPar :

: PROGRAM PLC_PRG VAR inst : FB; END_VAR [...] FB_exit VAR

: PROGRAM PLC_PRG VAR xyz : XY2; END_VAR [...] METH1 VAR_INPUT END_VAR