PROGRAM PLC_PRG VAR END [...] : 功能块的状态通常在多个 PLC 周期
PROGRAM PLC_PRG VAR str
); END_TYPE PROGRAM PLC_PRG VAR di
58 . 例子 PROGRAM PLC_PRG VAR x
; PROGRAM PLC_PRG VAR fb
PROGRAM PLC_PRG VAR
PROGRAM PLC_PRG VAR n
:= TRUE; PROGRAM PLC
comment 1 *) *) PROGRAM PLC_PRG VAR (* That
_VAR PROGRAM PLC_PRG VAR fb