codesys 涔� SFC鎺㈢储

钃濊壊娓咕 · 鍙戣〃浜� 2023-4-12 22:47:12

1 娴嬭瘯

鍦╥niting鐘舵€佷腑娴嬭瘯(entry)杩涘叆鍔ㄤ綔锛�(exit)鍑哄幓鍔ㄤ綔锛屽唴閮ㄥ姩浣滐紝澶栭儴鍔ㄤ綔鍥涚绫诲瀷鐨勬墽琛屽仛浜嗗鍥炬墍绀虹殑娴嬭瘯锛�
鑾峰緱缁撹锛�

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2锛氱涓€娆℃壂鎻忓緱鐭niting鐨勮烦杞潯浠朵负true,绗簩娆℃壂鎻忕殑鏃跺€欏彧浼氭墽琛屽閮ㄥ姩浣滐紝鍑哄幓鍔ㄤ綔锛�
3锛歩niting鐨勫姩浣滄墽琛岄『搴忔槸锛屽厛鎵ц鍐呴儴鍔ㄤ綔锛屽悗鎵ц澶栭儴鍔ㄤ綔锛�
4: 濡傛灉鍦╥niting 鍐呴儴鍔ㄤ綔涓湪宓屽瀛愮姸鎬乻fc锛岀埗鐘舵€佽浆绉讳細鎵ц鐖剁殑exit鍔ㄤ綔锛屽瓙鐘舵€佸鏋滄槸鍥犱负鐖剁姸鎬佽浆绉昏€屼笉鎵ц锛屽瓙鐘舵€佺殑exit鍔ㄤ綔涓嶄細鎵ц锛岀被浼糷istory鍘嗗彶鐘舵€侊紝涓嬫杩涘叆瀛愮姸鎬佷細缁х画绱ф帴鐫€鎵ц锛�

2 闅愬紡鐨勫彉閲�

鍦ㄥ垱寤簊fc涓殑姝ュ拰鍔ㄤ綔锛堝唴閮ㄥ姩浣滐紝涓嶆槸鍏宠仈鍔ㄤ綔锛夌殑鏃跺€欙紝闅愬紡鐨勫垱寤哄涓嬬被鍨嬶紝鍦ㄥ搴旂殑搴撲腑鍙互鏌ョ湅绫诲瀷锛�
甯哥敤鐨勬槸 ._x锛氬己鍒朵笅涓€涓懆鏈熺殑婵€娲荤姸鎬侊紙娴嬭瘯鍙戠幇鏄敼鍙樺綋鍓嶅懆鏈熺殑婵€娲荤姸鎬侊級銆傜敤鏉ュ畾涔夊巻鍙茬姸鎬佸拰鍒濆鐘舵€侊紱

闅愬紡鍙橀噺澹版槑鐨勮娉曪細
:SFCStepType;
_:SFCActionType;

3 妯℃嫙

鐢╟odesys 妯℃嫙 sfc鐨勫叆鍙� 鍑哄彛鍐呴儴鍔ㄤ綔锛屽苟琛岄€夋嫨鍒嗘敮锛岀敤sfc涔熸槸涓轰簡婊¤冻鐘舵€佹満鐨勮璁￠渶姹傦紱鐞嗚В浜嗕负浠€涔圲ML璁╅€夋嫨锛屼俊鍙峰悓姝ョ瓑鍙仛铏氭嫙鐘舵€侊紱

鑰冭檻鍒板苟琛岀殑鎯呭喌锛氭湁鏃跺悓鏃跺浜庡涓姸鎬侊紝鎵€鏈夌敤瀛楃殑姣忎竴涓〃绀轰竴涓姸鎬併€傚湪璺冲嚭鐘舵€佺殑鏃跺€欙紝瑕佹妸褰撳墠鐘舵€佷綅缃负0锛�

锛�*鐘舵€佺殑鏋氫妇绫诲瀷*锛�
TYPE StetaMachine :(
eMainStateInit:=16#00000001,
eMainState1 :=16#00000001,
eMainState2 :=16#00000002);
END_TYPE

澶嶅埗浠ｇ爜

锛�*鍙橀噺瀹氫箟*锛�
iMainState : StetaMachine := eMainState1 ;
iMainStateFollow : StetaMachine := eMainStateInit;
bMainStateExit : BOOL:= FALSE;

澶嶅埗浠ｇ爜

{涓€銆佺姸鎬佸悕绉皚IF(iMainState OR eMainState1)<>0 THEN
{1 entry 鍏ュ彛鍑芥暟---------------------------------------}IF(iMainStateFollow AND eMainState1)=0THEN(*do1*)(*do2*)(*do3*)
iMainStateFollow :=(iMainStateFollow OR eMainState1);
bMainStateExit := FALSE;
END_IF
{2 鍐呴儴澶勭悊鍔ㄤ綔-----------------------------------------}
IF bMainStateExit = FALSE THEN(*do1:澶勭悊鍔ㄤ綔 :*)(*do2:骞跺彂瀛愮姸鎬�1:*)(*do3:骞跺彂瀛愮姸鎬�2:*)
END_IF
{3 exit 鍑哄彛鍑芥暟-----------------------------------------}
IF bMainStateExit = TRUE THEN
bMainStateExit := FALSE;(*do1*)(*do2*)(*do3*)(* jump to state2:*){IF condition1 = TRUE THEN
iMainState :=((iMainState XOR eMainState1) OR eMainState2);
iMainStateFollow :=(iMainStateFollow XOR eMainState1);
RETURN;
END_IF}(* jump to state3:*){IF condition2 = TRUE THEN
iMainState :=((iMainState XOR eMainState1) OR eMainState3);
iMainStateFollow :=(iMainStateFollow XOR eMainState1);
RETURN;
END_IF}
END_IF
{4 璺宠浆鏉′欢鍒ゆ柇-------------------------------------------}(*鏉′欢閫夋嫨鍒嗘敮1: judge_jump_to_state1 :*){IF condition1 = TRUE THEN
bMainStateExit := TRUE;
RETURN;
END_IF}(*鏉′欢閫夋嫨鍒嗘敮2: judge_jump_to_state2 :*){IF condition2 = TRUE THEN
bMainStateExit := TRUE;
RETURN;
END_IF}
END_IF
{閫夋嫨鍒嗘敮锛岄€夋嫨鏄竴涓櫄鎷熺姸鎬�,鏄竴涓灛闂寸姸鎬亇
IF iMainState =2THEN(*IF condition THEN
jump to state3
iMainState :=((iMainState XOR eMainState2) OR eMainState3);
ELSE
jump to state4
iMainState :=((iMainState XOR eMainState2) OR eMainState4);
END_IF*)
END_IF
{3.1 骞惰寮€濮�,骞惰鏄竴涓櫄鎷熺姸鎬�,鏄竴涓灛闂寸姸鎬亇
IF iMainState =3 THEN
{JUMP TO STATE4}{JUMP TO STATE5}
iMainState :=((iMainState XOR eMainState3) OR eMainState4 OR eMainState5 );
END_IF
{3.2 骞惰寮€濮�,骞惰鏄竴涓櫄鎷熺姸鎬�,鏄竴涓灛闂寸姸鎬亇
IF iMainState =4THEN(*IF condition1 AND condition2 AND condition3 AND conditionN THEN
{jump to state5}
iMainState :=((iMainState XOR eMainState4) OR eMainState5
END_IF*)
END_IF

澶嶅埗浠ｇ爜

4 璁″垝锛氱悊瑙ｅ叧鑱斿姩浣滃苟鐢ㄤ唬鐮佹ā鎷�

5 璁″垝锛氱悊瑙FC鐨勬爣蹇�

6 璁″垝锛氬畬鍠刢odesys鐘舵€佹満妯℃澘浠ｇ爜

codesys 涔� SFC鎺㈢储

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