_PRG VAR i : INT; pt : POINTER TO INT; END_VAR

2 : ITF2; END_VAR [...] 示例： PROGRAM PLC_PRG VAR

_ConvertStrings VAR_INPUT END_VAR VAR_OUTPUT END_VAR [...] Return2: DATE_AND_TIME; END_VAR

示例： PROGRAM PLC_PRG VAR i : INT; b : UINT; END_VAR

示例： PROGRAM PLC_PRG VAR i : DINT; b : REAL; END_VAR

2 : INT; r2 : REAL; END_VAR [...] 1 : INT; g2 : REAL; END_VAR [...] _BLOCK FB VAR_INPUT r

; END_VAR test [...] PLC_PRG VAR test

示例： PROGRAM PLC_PRG VAR test1: INT; END_VAR

END_VAR Output := 0 [...] 示例： PROGRAM PLC_PRG VAR

示例： PROGRAM PLC_PRG VAR i : INT; I_r : INT; END_VAR