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銆�銆�浠诲姟(task):姣忎釜control logix鎺у埗鍣ㄦ渶澶�32涓�浠诲姟锛屼粎鏈変竴涓猚ontinuous浠诲姟锛屽叾浠栦负Periodic鎴栬�卐vent浠诲姟銆�
銆�銆�浠诲姟鍛藉悕鍖呮嫭浠诲姟鍔熺敤锛屼紭鍏堢骇鍜屾墽琛屽懆鏈�
銆�銆�浠诲姟鐨勪笁绉嶇被鍨嬶細
銆�銆�1. 杩炵画鍨嬩换鍔★紝鎸囩殑鏄�寰�鐜�寰�澶嶈繛缁�鎵ц�岀殑浠诲姟锛屼竴涓�椤圭洰鍙�鍏佽�稿畾涔�1涓�锛屼害鑳藉�熶笉瀹氫箟锛屽悓绛変簬codesys涓�鐨凱LC_PRG(POU)銆�
銆�銆�2. 鍛ㄦ湡鍨嬩换鍔★紝瀹氭椂涓�缂�鎵ц�岀殑閫昏緫绋嬪簭锛岄渶瀹氫箟鍛ㄦ湡鏃堕棿锛岃�惧畾浼樺厛绾у埆锛屾渶澶氳兘澶熷畾涔�31涓�
銆�銆�3. 浜嬫儏瑙﹀彂鍨嬩换鍔★紝浜嬫儏瑙﹀彂鎯硅捣鐨勪换鍔¤皟搴︼紝浜嬫儏瑙﹀彂鑳藉�熸槸澶栭儴杈撳叆鐐规児璧�(濂藉儚PLC5/SLC)锛屼篃鑳藉�熺敱consumed tag鎯硅捣鎴栬�呯洿鎺ユ寚浠よ皟鐢ㄦ児璧凤紝杩樿兘澶熺敱杩愬姩鎺у埗鐘舵�佹児璧凤紝闇�姹傝�惧畾浼樺厛绾у埆锛屾渶澶氬畾涔�31涓�銆�
銆�銆�Control logix涓�鐨刾roducer/consumer鐨勬�傚康鍗佸垎濂斤紝 浣撳線甯稿叾缁勭綉鎵嶅共涓娿�傛瘮濡傛煇涓�涓�妯″潡鏄�闊宠��鐨勬秷璐硅�咃紝浜х敓闊宠��瀵勫瓨鍦ㄩ煶璁�鍧椾腑锛屽叾浠栭渶姹傛�ゅ彉閲忕殑鍔熺敤鍧楋紝瀹氫箟涓�涓�闊宠�痗onsumer鍗冲彲銆傛湁鍏村懗鐨勬湅鍙嬭兘澶熻嚜宸辩湅鐪嬬浉鍏宠祫鏂欍��
銆�銆�CoDeSys鐨勭紪绋嬪伐鍏�
銆�銆�IL 銆丼T銆� FBD 銆丩D銆� CFC銆� SFC鍏�绉嶈█璇�锛屾垜涓�浜烘瘮杈冮挓鐖盨T锛孋FC銆�
銆�銆�CodesysV2.3杩樻槸寮鸿皟杩囩▼缂栫▼锛屽埌浜哣3.5鍒欏己璋冮潰鍚戝�硅薄锛孋  鐨勫奖瀛愭洿澶氫簡銆�
銆�銆�瑷�褰掓�ｄ紶锛屽簲鐢ㄨ�呬篃涓嶉渶姹傚叧鎬�閭ｄ箞澶氭妧宸э紝鑳藉畬鎴愬姛鐢�锛屽苟涓斾唬鐮佸叿鏈夊彲缁存姢鎬у氨鏄�涓�涓�鍚堟牸鐨勫伐绋嬪笀銆�
銆�銆�1.楂樼骇瑷�璇�涓�鐨剆truct锛寀nion銆�
銆�銆�Stuct鍦ㄨタ闂ㄥ瓙SCL瑷�璇�涓�琚�绉颁负UDT锛坲ser defined type锛夛紝AB RSLogix 5000涓�涔熻��绉颁负UDT
銆�銆�TYPE TRAFFIC :
銆�銆�(RED锛� YELLOW:=1锛� GREEN:=10);
銆�銆�END_TYPE
銆�銆�TYPE STRUCT1 :
銆�銆�STRUCT
銆�銆�P1:INT;
銆�銆�P2:INT;
銆�銆�P3:INT;
銆�銆�END_STRUCT
銆�銆�END_TYPE
銆�銆�2.鎸囬拡锛宑锛宑  涓�鐨勯《绾у埄鍣�锛屽湪codesys涓�涔熻兘澶熻繍鐢�
銆�銆�Example in ST:
銆�銆�ptOINTER TO INT;
銆�銆�var_int1:INT;
銆�銆�var_int2:INT;
銆�銆�pt := ADR(var_int1);
銆�銆�var_int2:=pt^;
銆�銆�3.FC锛孎B鐨勬�傚康
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銆�銆�FC鍦ㄧ▼搴忎腑鐩存帴璋冪敤鍗冲彲锛孎B鍒欓渶姹傚厛瀹氫箟瀹炰緥锛坕nstance锛夛紝Instance: FUB銆傝繖閲岀殑Instance灏辨槸C  涓�鐨勫�硅薄瀹炰緥銆傛�庢牱浜嗚В杩欎釜瀹炰緥鍛�锛熶笂涓�鏈�鍌荤殑楂樼骇瑷�璇�鐨勪緥瀛愬惂銆�
銆�銆�class Student
銆�銆�{
銆�銆�int age;
銆�銆�int sex;
銆�銆�int grade;
銆�銆�void DoWork(void);
銆�銆�};
銆�銆�Student tony锛� jany;
銆�銆�tony.age = 10;
銆�銆�tony.sex = male;
銆�銆�tony.grade = 3;
銆�銆�tony.DoWork();
銆�銆�jany.age = 9;
銆�銆�jany.sex = female;
銆�銆�jany.grade = 3;
銆�銆�jany.DoWork();
銆�銆�杩欓噷鐨凞oWork灏辩浉浼糉B锛岃兘澶熺湅鍒癋B甯︽湁鑷�宸辩嫭绔嬬殑鏁版嵁鍧楋紝姣斿�備緥涓�鐨刟ge锛宻ex锛実rade銆�
銆�銆�瀵规瘮瑗块棬瀛怱300/S400鐨凢C銆丗B
銆�銆�1.FC涓嶅叿澶囪嚜宸辩殑瀛樺偍鍖猴紝FB鏈夎嚜宸辩殑瀛樺偍鍖�-鑳屾櫙DB銆�
銆�銆�2.FC鍜孎B閮芥湁鑷�宸辩殑TEMP鍙橀噺锛屽瓨鍌ㄥ湪绯荤粺鐨勬湰鍦皊tack涓娿�傚綋FC鍜孎B璋冪敤缁堜簡锛孴EMP鍙橀噺浼氶噴鏀俱��
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銆�銆�瑗块棬瀛�300涓�锛孌B鍒嗕负鑳屾櫙DB鍜屽叡浜獶B锛岃儗鏅疍B鍜孎B鐩稿叧鑱斻��
銆�銆�鏅疍B鍜屽叡浜獶B娌℃湁瀹炶川鍖哄埆锛屽畠浠�鐨勬暟鎹�閮借兘澶熻��浠讳綍涓�涓狣B锛孎C鎴栬�匜B璇诲啓銆傚畠浠�鐨勫尯鍒�鍦ㄤ簬杩愮敤鐩�鐨勶細鑳屾櫙DB涓篎B鎻愪緵鏁版嵁锛屽叾鏁版嵁鏍煎紡鍜孎B鍙橀噺澹版槑鍒嗘�э紱鍏变韩DB鐩�鐨勪负鐢ㄦ埛绋嬪簭鎻愪緵涓�涓�鍙�淇濈�＄殑鏁版嵁鍖恒��
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銆�銆�鍋囧�傚�笴姣旇緝鐔熶範锛岃兘澶熻繖鏍蜂簡瑙ｏ細FC鍜孎B鍍廋涓�鐨勫嚱鏁帮紝鍙�涓嶈繃FB鑳藉�熺敓鎴愰潤鎬佸彉閲忥紝鍦ㄤ笅娆″嚱鏁拌皟鐢ㄦ椂鏁版嵁鑳藉�熶繚绠★紝鑰孎C鐨勫彉閲忓彧鍦ㄨ皟鐢ㄦ湡鍐呮湁鏁堬紝涓嬫�¤皟鐢ㄥ張閲嶆柊鏀规崲銆�
銆�銆�姣忔�¤皟鐢‵C鐨処/O鍖哄煙蹇呴渶姹傝嚜宸辨瘡娆℃墜鍔ㄨ緭鍏ワ紝鑰孎B灏变笉瑕侊紝鐪佸幓涓嶅皯鐪佷簨锛屽亣濡傚湪涓婁綅鏈烘帶鍒剁洿鎺ヨ緭鍏�DB鎺у埗鍦板潃灏卞彲!
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銆�銆�4.PLC_PRG
銆�銆�PLC_PRG鏄�涓�涓�棰勫畾涔夌殑POU(program of unit)锛屾瘡涓�宸ョ▼蹇呴渶鍖呭惈杩欎釜鐗瑰畾鐨勭▼搴忥紝杩欎釜POU鍦ㄦ瘡涓猚ycle涓�璋冪敤涓�娆°�傚叾瀹炶川灏辨槸涓�涓猣reewheeling绋嬪簭銆�
銆�銆�鍋囧�傝繍鐢ㄤ簡澶氫换鍔★紝鑳藉�熶笉鍖呭惈PLC_PRG锛屼緷鐓т换鍔￠厤缃�琛ㄦ墽琛岀壒瀹氱▼搴忋��
銆�銆�5.lib搴撶殑杩愮敤
銆�銆�Lib鐨勮繍鐢ㄨ〃鐜颁簡codesys楂樼骇瑷�璇�鐨勭壒鎬э紝鏀�鎸乵ath.lib锛宻tring.lib锛宑anopen.lib锛岃兘澶熻繍鐢ㄨ嚜瀹氫箟鐨刲ib
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銆�銆�鐢ㄦ埛鑷�宸卞畬鎴愮殑lib搴擄紝鍖呭惈涓ょ�嶏細Internal lib锛孍xternal lib锛屾湁浠�涔堝尯鍒�鍛�锛�
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銆�銆�CASE INT1 OF
銆�銆�1锛� 5:
銆�銆�BOOL1 := TRUE;
銆�銆�BOOL3 := FALSE;
銆�銆�2:
銆�銆�BOOL2 := FALSE;
銆�銆�BOOL3 := TRUE;
銆�銆�10..20:
銆�銆�BOOL1 := TRUE;
銆�銆�BOOL3:= TRUE;
銆�銆�ELSE
銆�銆�BOOL1 := NOT BOOL1;
銆�銆�BOOL2 := BOOL1 OR BOOL2;
銆�銆�END_CASE;
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