CoDeSys鍏ラ棬瀹炴垬涓�璧峰�︿範锛堜簩锛夛細浠庢�傚康鍒板垱寤哄苟杩愯�岀��涓�涓� CoDeSys 宸ョ▼

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涓婁竴绡囨垜浠�宸茬粡瀹屾垚浜� CoDeSys 宸ョ▼鐨勫垱寤猴紝杩欐�¤�佽繘鍏ユ牳蹇冪幆鑺� 鈥斺�� 缂栧啓 PLC 绋嬪簭锛佹湰娆″皢鐢ㄧ粨鏋勫寲鏂囨湰锛圫T 璇�瑷�锛夊疄鐜� 鈥滆緭鍏ュ�� + 2 杈撳嚭鈥� 鐨勫姛鑳斤紝鍏ㄧ▼鎷嗚В鍙橀噺澹版槑銆佸姛鑳藉潡鍒涘缓銆佺▼搴忎唬鐮佺紪鍐欑殑瀹屾暣娴佺▼锛屾瘡涓�姝ラ�ら兘閰嶈�︾粏璇存槑锛屾柊鎵嬩篃鑳借交鏉捐窡涓婏綖
涓�銆佹牳蹇冪洰鏍�

鏈�娆＄紪鍐欑殑绋嬪簭鍖呭惈涓ら儴鍒嗭細

涓荤▼搴� PLC_PRG锛氬０鏄庤�℃暟鍣ㄥ彉閲忋�佸姛鑳藉潡瀹炰緥锛岃皟鐢� FB1 骞舵帴鏀惰緭鍑虹粨鏋滐紱鍔熻兘鍧� FB1锛氭帴鏀惰緭鍏ュ�硷紝鍔� 2 鍚庤緭鍑虹粰 PLC_PRG銆�

鏈�缁堝疄鐜伴�昏緫锛氳緭鍏ュ��11 鈫� FB1锛�+2锛夆啋 杈撳嚭缁撴灉13锛屽悓鏃� PLC_PRG 涓�鐨勮�℃暟鍣ㄥ彉閲忚嚜鍔ㄧ疮鍔犮��
浜屻�佺��涓�姝ワ細鍦� PLC_PRG 涓�澹版槑鍙橀噺锛堜袱绉嶆柟寮忓彲閫夛級

PLC_PRG 鏄�宸ョ▼榛樿�ゅ垱寤虹殑涓荤▼搴忥紝鎵�鏈夊彉閲忛渶鍦ㄥ０鏄庡尯锛圴AR-END_VAR 涔嬮棿锛夊畾涔夛紝鏀�鎸佹墜鍔ㄥ０鏄庡拰鑷�鍔ㄥ０鏄庝袱绉嶆柟寮忥紝涓嬮潰鍒嗗埆璁茶В锛�
鏂瑰紡 1锛氭墜鍔ㄥ０鏄庡彉閲忥紙鎺ㄨ崘鏂版墜鍏堟帉鎻★級

鎵撳紑 PLC_PRG 缂栬緫鍣�锛氬湪璁惧�囪�嗙獥鐨勮�惧�囨爲涓�锛屾壘鍒般�屽簲鐢ㄣ�嶄笅鐨勩�孭LC_PRG銆嶏紝鍙屽嚮鎵撳紑 ST 璇�瑷�缂栬緫鍣�锛�



璁よ瘑缂栬緫鍣ㄥ竷灞�锛氱紪杈戝櫒涓婂崐閮ㄥ垎鏄�銆屽０鏄庨儴鍒嗐�嶏紙鐢ㄤ簬瀹氫箟鍙橀噺锛夛紝涓嬪崐閮ㄥ垎鏄�銆屽疄鐜伴儴鍒嗐�嶏紙鐢ㄤ簬鍐欐墽琛屼唬鐮侊級锛屼腑闂存湁鍙�璋冨垎鍓茬嚎锛�

• 鎵嬪姩澹版槑鍙橀噺锛�
  
  灏嗗厜鏍囩Щ鍒癡AR鍜孍ND_VAR涔嬮棿锛屾寜鍥炶溅鎻掑叆绌鸿�岋紱渚濇�″０鏄� 3 涓�鍙橀噺锛岃��娉曟牸寮忥細鍙橀噺鍚�: 鏁版嵁绫诲瀷;锛堟敞鎰忓啋鍙峰悗鏈夌┖鏍硷紝缁撳熬蹇呴』鍔犲皝鍙凤級锛�
  
  
  

娉ㄩ噴鐢�//寮�澶达紝浼氳��缂栬瘧鍣ㄥ拷鐣ワ紝浠呯敤浜庤�存槑鍙橀噺鍔熻兘锛屽缓璁�鍏绘垚鍐欐敞閲婄殑涔犳儻銆�



FB1鏈�鍒涘缓鎶ラ敊

鏂瑰紡 2锛氳嚜鍔ㄥ０鏄庡彉閲忥紙楂樻晥蹇�鎹凤紝鎺ㄨ崘鐔熺粌鍚庝娇鐢�锛�

濡傛灉涓嶆兂鎵嬪姩鍐欏０鏄庯紝鍙�鐩存帴鍦ㄥ疄鐜伴儴鍒嗗啓浠ｇ爜锛岀郴缁熶細鑷�鍔ㄨˉ鍏ㄥ０鏄庯紝姝ラ�ゅ�備笅锛�

鐩存帴鍦� PLC_PRG 鐨勩�屽疄鐜伴儴鍒嗐�嶈緭鍏ヤ唬鐮侊紙鍏堜笉鐢ㄧ�″彉閲忔槸鍚﹀０鏄庯級锛氳緭鍏ュ畬鎴愬悗鎸夊洖杞︼紝绯荤粺浼氬脊鍑恒�岃嚜鍔ㄥ０鏄庛�嶅�硅瘽妗� 鈥斺�� 鏈�澹版槑鐨勫彉閲忥紙ivar銆乫binst銆乪rg锛変細鑷�鍔ㄨ瘑鍒�锛�

• 閰嶇疆鍙橀噺淇℃伅锛�
  
  鍙橀噺鍚嶏細绯荤粺宸茶嚜鍔ㄨ瘑鍒�锛屾棤闇�淇�鏀癸紱绫诲瀷锛氬垎鍒�閫夋嫨INT锛坕var銆乪rg锛夈�丗B1锛坒binst锛夛紱鍒濆�嬪�硷細榛樿�ょ暀绌哄嵆鍙�锛堣�℃暟鍣� ivar 鏃犻渶鍒濆�嬪�硷紝浼氳嚜鍔ㄤ粠 0 寮�濮嬶級锛涙敞閲婏細鍙�杈撳叆鍙橀噺璇存槑锛堝�� 鈥滆�℃暟鍣ㄥ彉閲忊�濓級锛屾棤闇�鍔�//锛岀郴缁熶細浠� XML 鏍煎紡鑷�鍔ㄦ坊鍔犲埌澹版槑鍖猴紝鏂逛究鍚庣画鏂囨。鐢熸垚锛�
  
  鐐瑰嚮銆岀‘瀹氥�嶏紝绯荤粺浼氳嚜鍔ㄥ湪澹版槑鍖鸿ˉ鍏ㄦ墍鏈夊彉閲忓０鏄庯紝娉ㄩ噴涔熶細鍚屾�ユ坊鍔狅紝鏁堢巼瓒呴珮锛�
  

ivar := ivar + 1; fbinst(in:=11, out=>erg);

涓夈�佺��浜屾�ワ細缂栧啓 PLC_PRG 鐨勫疄鐜颁唬鐮侊紙涓荤▼搴忛�昏緫锛�

鍙橀噺澹版槑瀹屾垚鍚庯紝鍦ㄧ紪杈戝櫒鐨勩�屽疄鐜伴儴鍒嗐�嶏紙鍒嗗壊绾夸笅鏂癸級杈撳叆鎵ц�屼唬鐮侊紝瀹炵幇璁℃暟鍣ㄧ疮鍔犲拰鍔熻兘鍧楄皟鐢�锛�
1. 浠ｇ爜缂栧啓

鐩存帴澶嶅埗浠ヤ笅浠ｇ爜鍒板疄鐜伴儴鍒嗭紝姣忚�岄兘闄勮�︾粏娉ㄩ噴锛�
2. 浠ｇ爜璇�娉曡�存槑

璧嬪�艰繍绠楃�︼細:= 琛ㄧず 鈥滃皢鍙宠竟鐨勫�艰祴缁欏乏杈瑰彉閲忊�濓紙ST 璇�瑷�鐗规湁锛屽尯鍒�浜� C 璇�瑷�鐨�=锛夛紱鍔熻兘鍧楄皟鐢ㄦ牸寮忥細瀹炰緥鍚�(杈撳叆鍙傛暟:=鍊�, 杈撳嚭鍙傛暟=>鎺ユ敹鍙橀噺)锛岃緭鍏ョ敤:=锛岃緭鍑虹敤=>锛屽弬鏁颁箣闂寸敤閫楀彿鍒嗛殧锛涙敞閲婏細// 鍚庨潰鐨勫唴瀹逛负鍗曡�屾敞閲婏紝缂栬瘧鍣ㄤ笉鎵ц�岋紝鐢ㄤ簬璇存槑浠ｇ爜鍔熻兘锛屽繀椤诲姞鍦ㄤ唬鐮佽�屾湯灏炬垨鍗曠嫭涓�琛屻��

鍥涖�佺��涓夋�ワ細鍒涘缓鍔熻兘鍧� FB1锛堟牳蹇冮�昏緫瀹炵幇锛�

鍔熻兘鍧楋紙FB锛夋槸鍙�澶嶇敤鐨勭紪绋嬪崟鍏冿紝鏈�娆� FB1 鐨勫姛鑳芥槸 鈥滆緭鍏ュ�� + 2 杈撳嚭鈥濓紝鍒涘缓姝ラ�ゅ�備笅锛�
1. 鏂板缓鍔熻兘鍧� FB1

鐐瑰嚮椤堕儴鑿滃崟鏍忋�愬伐绋嬨�戔啋銆愭坊鍔犲�硅薄銆戯紝鎵撳紑銆屾坊鍔犲�硅薄銆嶅�硅瘽妗嗭紱




• 宸︿晶閫夋嫨銆孭OU銆嶏紙缂栫▼瀵硅薄锛夛紝鍙充晶閰嶇疆锛�
  
  POU 鍚嶇О锛氳緭鍏�FB1锛堝繀椤讳笌 PLC_PRG 涓�澹版槑鐨勫疄渚嬬被鍨嬩竴鑷达級锛涚被鍨嬶細閫変腑銆屽姛鑳藉潡銆嶏紙Function Block锛夛紱瀹炵幇璇�瑷�锛氶�夋嫨銆岀粨鏋勫寲鏂囨湰 (ST)銆嶏紱
  
  
  
  
  鐐瑰嚮銆屾墦寮�銆嶏紝绯荤粺浼氳嚜鍔ㄥ垱寤� FB1 鐨勭紪杈戠獥鍙ｃ��
  
  
  
  

2. 澹版槑 FB1 鐨勫彉閲忥紙杈撳叆 / 杈撳嚭 / 鍐呴儴鍙橀噺锛�

鍔熻兘鍧楃殑鍙橀噺鍒嗕负杈撳叆锛圴AR_INPUT锛夈�佽緭鍑猴紙VAR_OUTPUT锛夈�佸唴閮ㄥ彉閲忥紙VAR锛変笁绫伙紝闇�鍒嗗埆澹版槑锛�

• 璇�娉曡�存槑锛�
  
  VAR_INPUT锛氫粎鐢ㄤ簬鎺ユ敹澶栭儴杈撳叆鐨勫彉閲忥紝涓嶈兘鍦ㄥ姛鑳藉潡鍐呴儴淇�鏀癸紱VAR_OUTPUT锛氱敤浜庡悜澶栭儴杈撳嚭缁撴灉鐨勫彉閲忥紝鐢卞姛鑳藉潡鍐呴儴璧嬪�硷紱VAR锛氬姛鑳藉潡鍐呴儴浣跨敤鐨勫彉閲忥紝澶栭儴鏃犳硶璁块棶锛岃繖閲岀粰 ivar 璧嬪垵濮嬪�� 2锛�:= 鏄�璧嬪�艰繍绠楃�︼級銆�
  
  
  

3. 缂栧啓 FB1 鐨勫疄鐜颁唬鐮侊紙鏍稿績閫昏緫锛�

鍦� FB1 缂栬緫鍣ㄧ殑銆屽疄鐜伴儴鍒嗐�嶈緭鍏ヤ互涓嬩唬鐮侊紝瀹炵幇 鈥滆緭鍏ュ�� + 2鈥� 鐨勫姛鑳斤細

out := in + ivar; // in锛堝�栭儴杈撳叆锛� + ivar锛堝唴閮ㄥ浐瀹氬��2锛夛紝缁撴灉璧嬬粰out杈撳嚭

閫昏緫瑙ｈ�伙細褰� PLC_PRG 璋冪敤 FB1 鏃讹紝浼犲叆in=11锛孎B1 鍐呴儴璁＄畻11+2=13锛屽啀閫氳繃out鍙橀噺灏� 13 杩斿洖缁� PLC_PRG 鐨別rg鍙橀噺銆�

缂栬瘧鏃犳姤閿�

浜斻�佸畬鏁翠唬鐮佹眹鎬�

1. 涓荤▼搴� PLC_PRG 瀹屾暣浠ｇ爜

PROGRAM PLC_PRG VAR   ivar: INT;          // 璁℃暟鍣ㄥ彉閲忥紝姣忔�℃墽琛岃嚜澧�1   fbinst: FB1;        // FB1鍔熻兘鍧楀疄渚�   erg: INT;           // 鎺ユ敹FB1杈撳嚭鐨勭粨鏋滃彉閲� END_VAR // 璁℃暟鍣ㄨ嚜澧� ivar := ivar + 1; // 璋冪敤FB1锛岃緭鍏�11锛岃緭鍑虹粨鏋滃瓨鍏�erg fbinst(in:=11, out=>erg);

2. 鍔熻兘鍧� FB1 瀹屾暣浠ｇ爜

FUNCTION_BLOCK FB1 VAR_INPUT   in: INT;  // 杈撳叆鍙橀噺 END_VAR VAR_OUTPUT   out: INT; // 杈撳嚭鍙橀噺 END_VAR VAR   ivar: INT := 2; // 鍐呴儴鍥哄畾鍊�2 END_VAR // 鏍稿績璁＄畻閫昏緫锛氳緭鍏ュ��+2杈撳嚭 out := in + ivar;

鍏�銆佸叧閿�璇�娉� & 娉ㄦ剰浜嬮」锛堟柊鎵嬪繀鐪嬶級

• 鍙橀噺澹版槑瑙勫垯锛�
  
  鍙橀噺鍚嶅尯鍒嗗ぇ灏忓啓锛坕var鍜孖var鏄�涓や釜涓嶅悓鍙橀噺锛夛紱鏁版嵁绫诲瀷蹇呴』鍖归厤锛堝�� FB1 鐨勮緭鍏ュ彉閲忔槸 INT锛孭LC_PRG 浼犲叆鐨� 11 涔熸槸鏁存暟锛屼笉鑳戒紶瀛楃�︿覆锛夛紱鍔熻兘鍧楀疄渚嬬殑绫诲瀷蹇呴』涓庡姛鑳藉潡鍚嶇О涓�鑷达紙fbinst: FB1涓嶈兘鍐欐垚fbinst: fb1锛夈��
  
  
  
• ST 璇�瑷�鍩虹��璇�娉�锛�
  
  璧嬪�肩敤:=锛屼笉鑳界敤=锛�=鍦� ST 涓�鏄�姣旇緝杩愮畻绗︼級锛涜��鍙ョ粨灏惧繀椤诲姞灏佸彿;锛屽惁鍒欑紪璇戞姤閿欙紱娉ㄩ噴鐢�//锛堝崟琛屾敞閲婏級锛屽�氳�屾敞閲婄敤(* ... *)銆�
  
  
  
• 鍔熻兘鍧椾笌涓荤▼搴忕殑鍏崇郴锛�
  
  鍔熻兘鍧楁槸鍙�澶嶇敤鐨� 鈥滄ā鍧椻�濓紝鍙�浠ヨ��澶氫釜涓荤▼搴忚皟鐢�锛涜皟鐢ㄥ姛鑳藉潡鏃讹紝杈撳叆鍙傛暟鐢�:=璧嬪�硷紝杈撳嚭鍙傛暟鐢�=>鎺ユ敹缁撴灉锛涘姛鑳藉潡鐨勫唴閮ㄥ彉閲忥紙濡� FB1 鐨� ivar锛変粎鍦ㄥ唴閮ㄧ敓鏁堬紝澶栭儴鏃犳硶淇�鏀广��
  
  
  
• 缂栬瘧妫�鏌�锛�
  
  浠ｇ爜缂栧啓瀹屾垚鍚庯紝鐐瑰嚮宸ュ叿鏍忕殑銆岀紪璇戙�嶆寜閽�锛堝浘鏍囦负閿ゅ瓙锛夛紱濡傛灉鏈夎��娉曢敊璇�锛岀紪杈戝櫒浼氬湪涓嬫柟鎻愮ず閿欒��浣嶇疆鍜屽師鍥狅紝鎸夋彁绀轰慨鏀瑰嵆鍙�銆�
  
  
  

涓冦�佷笅涓�姝ワ細绋嬪簭涓嬭浇涓庣洃鎺�

浠ｇ爜缂栧啓瀹屾垚鍚庯紝灏卞彲浠ュ皢绋嬪簭涓嬭浇鍒� PLC锛堟垨杞�浠惰嚜甯︾殑妯℃嫙杩愯�岀郴缁燂級涓�杩愯�屼簡锛佷笅涓�绡囨垜浠�灏嗚�︾粏璁茶В锛�

濡備綍閫氳繃 Gateway Server 杩炴帴璁惧�囷紱绋嬪簭涓嬭浇涓庤繍琛屾搷浣滐紱鍦ㄧ嚎鐩戞帶鍙橀噺鍙樺寲锛堟煡鐪� ivar 鐨勮�℃暟杩囩▼鍜� erg 鐨勮緭鍑虹粨鏋滐級銆�