PLC_PRG 程序示例：闪烁灯控制

PROGRAM PLC_PRG VAR blk: Blink :=(Timelow:=T#2S, timehigh:=T#500MS); in1: BOOL; out1: BOOL; END_VAR

in1 := //input signal IF blk.Q THEN out1 := TRUE; ELSE out1 := FALSE; END_IF

END_PROGRAM