示例： PROGRAM PLC_PRG VAR value : LREAL; END_VAR [...] PLC_PRG VAR value

示例： PROGRAM PLC_PRG VAR inst : FB; END_VAR [...] EXTENDS FB VAR END_VAR

_BLOCK FB_A VAR var_pt: POINTER TO FB_B; var_ref: REFERENCE TO FB_C; END_VAR

以编写类型的功能块实例的输入参数 VAR_INPUT CONSTANT [...] 器处于活动状态。一个实例化的功能块有 VAR [...] _BLOCK FB_DoIt VAR

PROGRAM PLC_PRG VAR [...] := INT#15; END_VAR VAR [...] _iValue + 1] OF INT; END_VAR

示例： PROGRAM PLC_PRG VAR i : INT; END_VAR i [...] TEST : INT VAR

PLC_PRG VAR END_VAR [...] VAR_INPUT END_VAR

示例： PROGRAM PLC_PRG VAR i: INT; END_VAR VAR [...] ; END_VAR j := i; 信息

_TYPE PROGRAM PLC_PRG VAR iVar [...] Temp : BOOL; END_VAR iVar [...] _Enum.black; CASE iVar OF My

示例： PROGRAM PLC_PRG VAR i : INT; inst: FB; END_VAR [...] .Prop; FUNCTION_BLOCK FB VAR