CODESYS寮�鍙戞暀绋�6-鍏抽敭瀛楀強鍙橀噺绫诲瀷

鏃犲績椋炴壃

浠婂ぉ缁х画鎴戜滑鐨勫皬鐧芥暀绋嬶紝鑰侀笩灏变笉瑕佸湪杩欐氮璐规椂闂翠簡銆�

鍓嶉潰涓�鏈熸垜浠�璁蹭簡CODESYS宸ョ▼鐨勫熀鏈�缁勬垚锛屾垜鎯崇粡杩囧嚑鏈熺殑瀛︿範澶у�跺簲璇ュ�瑰�備綍浣跨敤CODESYS鐨勫紑鍙戠幆澧冩湁浜嗗熀鏈�鐨勪簡瑙ｏ紝浠庤繖涓�鏈熷紑濮嬫垜浠�浠嬬粛涓�涓婥ODESYS鐨凷T璇�瑷�鐩稿叧鐨勫熀纭�鐭ヨ瘑銆傛湰鏈熶富瑕佷粙缁嶄竴涓婼T涓�鐨勪富瑕佸叧閿�瀛楀拰鍙橀噺绫诲瀷锛屼互鍙婅繖浜涚被鍨嬩娇鐢�锛岄『渚夸細浠嬬粛涓�涓婥ODESYS涓嶤璇�瑷�鐨勪竴浜涗娇鐢ㄤ笂鐨勫樊寮傘��

涓�銆佸熀鏈�鍙橀噺绫诲瀷

CODESYS鐨凷T鍙橀噺绫诲瀷璺熷叾瀹冪紪绋嬭��瑷�绫讳技锛屽寘鎷�鍩烘湰绫诲瀷銆佹暟缁勩�佹灇涓俱�佺粨鏋勩�佽仈鍚堢瓑锛岃繕鏈夋寚閽堛�佸紩鐢�锛屽彟澶栧姛鑳藉潡涔熺畻鏄�涓�涓�绫诲瀷銆�

1.鍩烘湰绫诲瀷

鍩烘湰鏁版嵁绫诲瀷濡備笅琛�锛�




杩欓噷闇�瑕佹敞鎰忕殑鏄疌ODESYS鐨勫熀鏈�鏁版嵁绫诲瀷涓嶤璇�瑷�绫讳技锛屼絾鏄�鍦ㄥ瓧闀夸笂鏈夊樊鍒�銆侰ODESYS涓�鐨処NT鍦�32浣嶅钩鍙颁笂榛樿�や负16浣嶏紝鑰孋璇�瑷�鐨刬nt鍦�32浣嶅钩鍙颁笂榛樿�や负32浣嶃�傚彟澶栧�逛簬娴�鐐规暟锛孯EAL涓嶤璇�瑷�鐨刦loat瀵瑰簲锛孡REAL涓嶤璇�瑷�鐨刣ouble瀵瑰簲銆�

2.鏁扮粍

鏁扮粍瀹氫箟鐨勫舰寮忓�備笅锛�

鍙橀噺鍚� : ARRAY[0..N] OF 鍙橀噺绫诲瀷;

鍙橀噺鍚� : ARRAY[0..N,0..M] OF 鍙橀噺绫诲瀷;

娉ㄦ剰锛�

锛�1锛夊彉閲忓悕涓嶅尯鍒嗗ぇ灏忓啓銆�

锛�2锛夊彉閲忕被鍨嬪彲浠ユ槸鍩烘湰绫诲瀷銆佺粨鏋勩�佽仈鍚堟垨鑰呭姛鑳藉潡銆�

锛�3锛夋暟缁勫彲浠ヤ笅鏍囧彲浠�0寮�濮嬶紝涔熷彲浠ヤ笉浠�0寮�濮嬶紙杩欎竴鐐规瘮C璇�瑷�鏂逛究锛夈��

锛�4锛塏鍜孧鍙�浠ョ敤甯搁噺鏉ヤ唬鏇裤��

鏁扮粍鍒濆�嬪寲鏂瑰紡锛�

rPos : ARRAY[0..6] OF LREAL:=[7(5.0)];

rPos : ARRAY[0..6, 0..6] OF LREAL:=[7(5.0), 7(7.0)];

rPos : ARRAY[0..2] OF LREAL:=[5.0, 6.0, 7.0];

rPos : ARRAY[0..2, 0..2] OF LREAL:=[5.0, 6.0, 7.0, 8.0, 9.0, 10.0];

娉ㄦ剰锛�

锛�1锛夐粯璁や細鍒濆�嬪寲涓�0銆�

锛�2锛塁ODESYS杩樻湁涓�涓�鏁扮粍鐨勬暟缁勭殑瀹氫箟鏂瑰紡涔熷彲浠ュ畾涔夊�氱淮鏁扮粍銆�

鏁扮粍瀹氫箟濡備笅锛�

aiPoints : ARRAY[1..2,1..3] OF INT := [1,2,3,4,5,6];



浜岀淮鏁扮粍鐨勬暟缁勫畾涔夊�備笅锛�

ai2Boxes : ARRAY[1..2] OF ARRAY[1..3] OF INT := [ [1, 2, 3], [ 4, 5, 6]];



杩欓噷闇�瑕佹敞鎰忎笉瑕佹妸鏁扮粍鐨勫紩鐢ㄦ柟寮廰iPoints[1, 2]鍜宎i2Boxes[1][2]娣锋穯浜嗭紝杩欎袱绉嶅紩鐢ㄦ柟寮忔槸瀵瑰簲涓嶅悓鐨勫畾涔夋柟寮忋��

3.鏋氫妇

鏋氫妇鐢辩敤鎴峰畾涔夌殑鏁版嵁绫诲瀷锛屽畾涔夊悗鍙�浠ュ湪鏁翠釜宸ョ▼涓�浣跨敤銆傛灇涓惧畾涔夊彲浠ュ儚鍔熻兘鍧楀拰鍑芥暟涓�鏍峰湪鈥淎pplication脿娣诲姞瀵硅薄鈥濅腑閫夋嫨娣诲姞銆�

TYPE ErrID :

(

name1 :=0,

鈥�

);

END_TYPE

娉ㄦ剰锛�

锛�1锛夊湪鏋氫妇澹版槑涓�锛岄�氬父鑷冲皯澹版槑2涓�鎴愬憳銆�

锛�2锛夋灇涓剧殑鏁版嵁绫诲瀷榛樿�や负INT锛屼絾鐢ㄦ埛鍙�浠ユ寚瀹氬叾浠栨暟鎹�绫诲瀷銆傛敮鎸佺殑绫诲瀷鍖呮嫭锛欼NT | UINT | SINT | USINT | DINT | UDINT | LINT | ULINT | BYTE | WORD | DWORD | LWORD

4.缁撴瀯鍜岃仈鍚�

缁撴瀯鍜岃仈鍚堟槸鐢辩敤鎴峰畾涔夌殑鏁版嵁绫诲瀷锛屽皢涓嶅悓鐨勫彉閲忕粍鍚堟垚涓�涓�鐙�绔嬪崟鍏冦�傜粨鏋勫拰鑱斿悎涔熷彲浠ュ湪鈥淎pplication脿娣诲姞瀵硅薄鈥濅腑娣诲姞銆�

缁撴瀯鐨勫畾涔夋柟寮忓�備笅锛�

TYPE name:

STRUCT

鈥�

END_STRUCT

END_TYPE

鑱斿悎鐨勫畾涔夋柟寮忓�備笅锛�

TYPE name :

UNION

鈥�

END_UNION

END_TYPE

娉ㄦ剰锛�

锛�1锛夌粨鏋勫畾涔夊悗锛岀粨鏋勫悕绉板湪鏁翠釜宸ョ▼涓�鍙�浠ヤ綔涓哄熀鏈�鏁版嵁绫诲瀷鏉ュ畾涔夊彉閲忋�佹暟缁勬垨鎸囬拡绛夈��

锛�2锛夌粨鏋勪篃鍙�浠ヤ綔涓哄叾浠栫粨鏋勭殑鎴愬憳銆�

锛�3锛夊彲浠ラ�氳繃EXTENDS鎵╁睍鐜版湁缁撴瀯锛屾柟寮忓�備笅锛�

TYPE name EXTENDS basename :

STRUCT

   鈥�

END_STRUCT

END_TYPE

鎵╁睍鍚庣殑缁撴瀯鍚屾椂鎷ユ湁name鍜宐asename缁撴瀯鐨勬垚鍛樸��

锛�4锛夌粨鏋勮繕鏈変竴涓�涓撳睘鏁版嵁绫诲瀷鈥淏IT鈥濓紝鐢ㄤ簬瀹氫箟浣嶅彉閲忥紝鍏跺�煎彧鑳芥槸TRUE鍜孎ALSE銆�

5.鎸囬拡

鎸囬拡鐢ㄤ簬鍦ㄨ繍琛屾椂瀛樺偍瀵硅薄鐨勫唴瀛樺湴鍧�銆傚畾涔夋柟寮忓�備笅锛�

name: POINTER TO 鏁版嵁绫诲瀷/缁撴瀯/鍔熻兘鍧�;

瀹炰緥濡備笅锛�

a : INT;

b : INT;

pt : POINTER TO INT;

pt := ADR(a); //鍙橀噺a鐨勫湴鍧�璧嬪�肩粰鎸囬拡pt

b := pt^; //鎶奱鐨勫�艰祴鍊肩粰b

娉ㄦ剰锛�

锛�1锛夋寚閽堝湪瀹氫箟鏄�蹇呴渶鎸囧畾绫诲瀷锛屼笉鍚岀被鍨嬫寚閽堜笉鑳戒簰鐩歌浆鎹�銆�

锛�2锛夋寚閽堟湰韬�鏄疍WORD绫诲瀷銆�

锛�3锛夋寚鍚慖O鐨勬寚閽堜細鎶ラ敊銆�

锛�4锛夋寚閽堟寚鍚戠殑鏁版嵁鍙�浠ラ�氳繃[]鏉ヨ繘琛岀储寮曡�块棶銆傜储寮曠粍浠剁殑鏁版嵁绫诲瀷鍜屽ぇ灏忕敱瀹氫箟鐨勬暟鎹�绫诲瀷鍐冲畾锛岀储寮曡�块棶鏄�閫氳繃灏嗙储寮曠浉鍏崇殑鍋忕Щ閲廼*SIZEOF锛堬紲base type锛烇級娣诲姞鍒版寚閽堢殑鍦板潃鏉ュ疄鐜扮殑銆�

姝ｇ‘鏂瑰紡锛歱iData := (piData + i * SIZEOF(INT))^;

閿欒��鏂瑰紡锛歱iData != (piData + i)^

6.寮曠敤

寮曠敤闅愬紡寮曠敤鍙︿竴涓�瀵硅薄銆傝�块棶鏃讹紝寮曠敤琚�闅愬紡鍙栨秷寮曠敤锛屽洜姝や笉闇�瑕佺壒娈婄殑鍐呭�硅繍绠楃��^锛堝�傛寚閽堬級銆傚畾涔夋柟寮忓�備笅锛�

name : REFERENCE TO <data type> ;

娉ㄦ剰锛�

锛�1锛夌紪璇戝櫒鐗堟湰>= V3.3.0.0锛屽紩鐢ㄩ粯璁や細鍒濆�嬪寲銆�

锛�2锛夋渶濂戒笉瑕佸�硅�惧�囪緭鍏ヨ繘琛屽紩鐢�锛屾病鏈夊啓鏉冮檺浼氳�╃紪璇戝櫒鎶ヨ�︺��

锛�3锛夊紩鐢ㄧ被鍨嬩笉鑳界敤浣滄暟缁勩�佹寚閽堟垨寮曠敤鐨勫熀绫诲瀷銆�

锛�4锛変笉鑳藉�笲IT绫诲瀷杩涜�屽紩鐢ㄣ��

浠ヤ笅涓哄紩鐢ㄧ殑閿欒��鐢ㄦ硶锛�



鍦ㄥ嚱鏁版垨鍔熻兘鍧椾紶閫掑弬鏁版椂锛屽彲浠ヤ娇鐢ㄥ紩鐢ㄤ粠鑰岄伩鍏嶄娇鐢ㄦ寚閽堛��

7.鍔熻兘鍧�

鍔熻兘鍧楀簲璇ヨ�存槸鐢辩敤鎴峰畾涔夌殑涓�涓�鐙�绔嬬殑鍔熻兘鍗曞厓锛岀被浼间簬C++ 鐨勭被銆傚畠鏄�涓�涓�鍏锋湁瀹屾暣鍔熻兘鐨勬ā鍧楋紝浣跨敤鏃惰窡瀹氫箟鍚勭�嶅彉閲忕被鍨嬩竴鏍烽渶瑕佸厛澹版槑瀹炰緥鎵嶈兘浣跨敤銆傚姛鑳藉潡鐨勫畾涔夊悓鏍峰彲浠ュ湪鈥淎pplication脿娣诲姞瀵硅薄鈥濅腑娣诲姞銆�

鍏跺疄杩�5銆�6銆�7杩欏嚑涓�鍐呭�规垜鍦ㄥ啓鐨勬椂鍊欎竴鐩寸姽璞�瑕佷笉瑕佽�诧紝灏ゅ叾鏄�鎸囬拡锛屽�逛簬鏂版墜鏉ヨ�村畬鍏ㄥ彲浠ヤ笉鐢�锛屼互閬垮厤鍑洪敊^o^銆備负浜嗕繚鎸佸唴瀹圭殑瀹屾暣鎬э紝涓婇潰杩樻槸鍋氫竴涓�绠�鍗曠殑浠嬬粛銆�

浜屻�佸彉閲忎綔鐢ㄥ煙

甯哥敤鐨勫彉閲忎綔鐢ㄥ煙鍖呮嫭鍏ㄥ眬鍙橀噺銆佸眬閮ㄥ彉閲忋�侀潤鎬佸彉閲忕瓑銆�

1.鍏ㄥ眬鍙橀噺

鍏ㄥ眬鍙橀噺閫氬父鍦ㄦ暣涓�绋嬪簭鑼冨洿鍐呭畾涔夛紝浼氭斁鍦ㄢ�淎pplication鈥濇爲涓嬮潰銆傚叾娣诲姞鏂规硶鏄�鍦ㄢ�淎pplication鈥濅笂鐐瑰彸閿�锛屽湪鈥滄坊鍔犲�硅薄鈥濅腑閫夋嫨鈥滃叏灞�鍙橀噺鍒楄〃鈥︹�濄�傚湪寮瑰嚭鐨勭獥鍙ｄ腑杈撳叆鍏ㄥ眬鍙橀噺鐨勫畾涔夊煙鍚嶇О锛岄粯璁ゆ槸鈥淕VL鈥濄��



鍦ㄥ乏渚ц�惧�囨爲鈥淎pplication鈥濅笅浼氬�炲姞鈥淕VL鈥濓紝鍙屽嚮鎵撳紑鍚庡彲浠ョ湅鍒帮細



鍏ㄥ眬鍙橀噺鐨勫畾涔夊繀椤绘槸鍦ㄥ瓧娈碘�淰AR_GLOBAL鈥�END_VAR鈥濅箣鍐呫�傚叏灞�鍙橀噺鍦ㄦ暣涓�宸ョ▼鑼冨洿鍐呮湁鏁堬紝瀹氫箟鍚庡伐绋嬪唴鎵�鏈夌殑绋嬪簭銆佸嚱鏁般�佸姛鑳藉潡閮藉彲浠ヨ�块棶銆傝繖閲岄渶瑕佹敞鎰忕殑鏄�锛屽湪鍏ㄥ眬鍙橀噺涓婃柟鏈変竴涓�瀹忓畾涔夆�渰attribute 'qualified_only'}鈥濓紝鍏朵綔鐢ㄦ槸闄愬畾鍏ㄥ眬鍙橀噺鐨勪娇鐢ㄥ繀椤绘寚鏄庡畾涔夊煙锛屽嵆涓婇潰鏂板缓鍏ㄥ眬鍙橀噺鏃惰緭鍏ョ殑鍚嶇О鈥淕VL鈥濄�傛瘮濡備笂鍥句腑瀹氫箟鐨勨�渞Point鈥濆彉閲忓湪绋嬪簭涓�浣跨敤鏃堕渶瑕佸啓鈥淕VL.rPoint鈥濓紝鍚﹀垯浼氭姤閿欍�傚�傛灉瑙夊緱杩欐牱鐢ㄨ捣鏉ラ夯鐑︼紝鍙�浠ユ妸杩欎釜瀹忔敞閲婃帀锛岃繖鏍峰彲浠ョ洿鎺ヤ娇鐢ㄢ�渞Point鈥濄��

闇�瑕佹敞鎰忕殑鏄�濡傛灉鍦ㄧ▼搴忓潡涓�灞�閮ㄥ彉閲忎笌鍏ㄥ眬鍙橀噺閲嶅悕锛屽垯鍦ㄨ�ュ潡涓�浼樺厛浣跨敤灞�閮ㄥ彉閲忋�傚缓璁�鍦ㄤ娇鐢ㄦ椂灞�閮ㄥ彉閲忓敖閲忎笉瑕佷笌鍏ㄥ眬鍙橀噺閲嶅悕锛岃�佷箞灏辩粰鍏ㄥ眬鍙橀噺鎸囨槑瀹氫箟鍩燂紝杩欐牱鏂逛究鍖哄垎銆�

瀵逛簬缂栬瘧鍣ㄧ増鏈�>=3.2.0.0锛孋ODESYS鎬绘槸鍦ㄦ湰鍦癙OU鍙橀噺涔嬪墠鍒濆�嬪寲鍏ㄥ眬鍙橀噺銆�

2.灞�閮ㄥ彉閲�

灞�閮ㄥ彉閲忛�氬父鍦ㄧ▼搴忋�佸嚱鏁版垨鍔熻兘鍧楀唴閮ㄥ畾涔夈�傚眬閮ㄥ彉閲忕殑瀹氫箟蹇呴』鏄�鍦ㄥ瓧娈碘�淰AR鈥�END_VAR鈥濅箣鍐呫�傛瘮濡備笂涓�鏈熷伐绋嬮噷闈�main鍑芥暟鐨勫彉閲忓畾涔夐兘灞炰簬灞�閮ㄥ彉閲忋��



灞�閮ㄥ彉閲忓彧鍦ㄥ畾涔夌殑绋嬪簭鍧楄寖鍥村唴鏈夋晥銆�

3.闈欐�佸彉閲�

闈欐�佸彉閲忕殑瀹氫箟蹇呴』鏄�鍦ㄥ瓧娈碘�淰AR_STAT鈥�END_VAR鈥濅箣鍐呫��

娉ㄦ剰锛�

锛�1锛塁ODESYS鍦ㄧ��涓�娆¤皟鐢ㄦ瘡涓�鍧楁椂鍒濆�嬪寲闈欐�佸彉閲忋��

锛�2锛夐潤鎬佸彉閲忓彧鑳戒粠澹版槑鍙橀噺鐨勫懡鍚嶇┖闂翠腑璁块棶锛岀被浼糃璇�瑷�涓�鐨勯潤鎬佸彉閲忋��

锛�3锛夊綋搴旂敤绋嬪簭绂诲紑鍧楁椂锛岄潤鎬佸彉閲忎繚鐣欏叾鍊笺�備緥濡傦紝鍙�浠ヤ娇鐢ㄩ潤鎬佸彉閲忎綔涓哄嚱鏁拌皟鐢ㄧ殑璁℃暟鍣ㄣ��

4.杈撳叆/杈撳嚭鍙橀噺

杈撳叆/杈撳嚭鍙橀噺鏄�绋嬪簭鍧�(POU)鎺ュ彛鐨勪竴閮ㄥ垎锛岀敤浜庡０鏄庣▼搴忓潡鐨勮緭鍏�/杈撳嚭鍙橀噺銆�

瀹氫箟鏂瑰紡濡備笅锛�

鍏抽敭瀛� name

VAR_IN_OUT

    <variable name> : <data type>;

END_VAR

鍏抽敭瀛楋細FUNCTION銆丗UNCTION_BLOCK銆丮ETHOD銆丳RG

娉ㄦ剰锛�

锛�1锛夌▼搴忓潡璋冪敤鏃朵笉鑳界洿鎺ュ皢甯搁噺锛堟枃瀛楋級鎸囧畾缁橵AR_IN_OUT绫诲瀷鐨勫弬鏁般�俈AR_IN_OUT鍙橀噺閫氳繃寮曠敤鏂瑰紡浼犻�掞紙绫讳技C璇�瑷�鐨勫紩鐢�锛夛紝鐩存帴浣跨敤瀵瑰簲鐨勫彉閲忥紝鍦ㄧ▼搴忓潡鍐呴儴涓嶄細鐢熸垚鍓�鏈�銆�

锛�2锛塚AR_IN_OUT鍙橀噺鍦ㄥ叾浣跨敤鐨勭▼搴忓潡鍐呮槸鍙�璇诲彲鍐欑殑锛屽唴閮ㄥ�瑰彉閲忕殑淇�鏀瑰湪绋嬪簭鍧楁墽琛屽畬鎴愬悗浼氫繚鐣欍��

锛�3锛塚AR_IN_OUT鍙橀噺涓嶈兘閫氳繃鈥滃姛鑳藉潡瀹炰緥鍚嶇О鈥濈洿鎺ヨ繙绋嬭�绘垨鍐欍�傚姛鑳藉潡涓�鍙�鏈塚AR_INPUT鍜孷AR_OUTPUT鍙橀噺鍙�浠ヨ繖鏍蜂娇鐢ㄣ��

锛�4锛夊�傛灉瀛楃�︿覆鍙橀噺浣滀负鍙傛暟浼犻�掞紝鍒欏疄闄呭彉閲忓拰褰㈠紡鍙橀噺鐨勯暱搴﹀簲璇ョ浉鍚屻�傚惁鍒欙紝浼犻�掔殑瀛楃�︿覆鍙�鑳戒細琚�鏃犳剰鎿嶄綔銆俈AR_OUTPUT CONSTANT鍙傛暟涓嶄細鍑虹幇姝ら棶棰樸��

锛�5锛夌▼搴忓潡璋冪敤鏃朵笉鑳藉皢浣嶅彉閲忕洿鎺ユ寚瀹氱粰VAR_IN_OUT绫诲瀷鐨勫弬鏁帮紝鍥犱负浣嶅彉閲忔病鏈夌洿鎺ョ殑鍐呭瓨鍦板潃锛屾棤娉曢�氳繃寮曠敤鏂瑰紡浼犻�掋�備綅鍙橀噺鐨勪紶閫掗渶瑕侀�氳繃涓�涓�涓�闂村彉閲忋��

5.鍔熻兘鍧楄緭鍏ュ拰杈撳嚭鍙橀噺

杈撳叆杈撳嚭鍙橀噺鐢ㄤ簬鍔熻兘鍧楃殑杈撳叆鍜岃緭鍑哄畾涔夈�傝緭鍏ュ彉閲忕殑瀹氫箟蹇呴』鏄�鍦ㄥ瓧娈碘�淰AR_INPUT鈥�END_VAR鈥濅箣鍐呫�傝緭鍑哄彉閲忕殑瀹氫箟蹇呴』鏄�鍦ㄥ瓧娈碘�淰AR_OUTPUT鈥�END_VAR鈥濅箣鍐呫��

6.鍔熻兘鍧椾复鏃跺彉閲�

涓存椂鍙橀噺瀹氫箟蹇呴』鏄�鍦ㄥ瓧娈碘�淰AR_TEMP鈥�END_VAR鈥濅箣鍐呫��

娉ㄦ剰

锛�1锛変复鏃跺彉閲忓彧鑳藉湪绋嬪簭鍧楀拰鍔熻兘鍧椾腑浣跨敤銆�

锛�2锛夋瘡娆¤皟鐢ㄥ潡鏃讹紝CODESYS閮戒細鍒濆�嬪寲涓存椂鍙橀噺銆�

涓夈�佸彉閲忎繚鎸佺被鍨�

1.甯搁噺

甯搁噺鍙橀噺鍦ㄥ叏灞�鍙橀噺鍒楄〃鎴栫紪绋嬪�硅薄鐨勫０鏄庨儴鍒嗕腑澹版槑銆傚湪瀹炵幇涓�锛屽父閲忓彉閲忓彲浠ラ�氳繃瀹炰緥璺�寰勪互鍙�璇绘柟寮忚�块棶銆傚ぇ閮ㄥ垎鏃跺�欐槸鐢ㄦ潵瀹氫箟涓�浜涢渶瑕佹敼浣嗘槸涓嶇粡甯告敼鐨勫�笺��

瀹氫箟鏂瑰紡濡備笅锛�

浣滅敤鍩� CONSTANT

    name : 鏁版嵁绫诲瀷 := 鍒濆�嬪��;

END_VAR

浣滅敤鍩燂細VAR銆乂AR_INPUT銆乂AR_STAT銆乂AR_GLOBAL

VAR_GLOBAL锛氬叏灞�甯搁噺锛屽湪鏁翠釜宸ョ▼涓�鏈夋晥銆�

VAR锛氬眬閮ㄥ父閲忥紝浠呭湪瀹氫箟鐨勭▼搴忓潡鍐呮湁鏁堛��

VAR_STAT锛氶潤鎬佸彉閲�

娉ㄦ剰鍦ㄨ繍琛岃繃绋嬩腑甯搁噺鍊间笉鑳戒慨鏀广��

2.淇濈暀鍙橀噺

淇濈暀鍙橀噺鐢卞叧閿�瀛桼ETAIN澹版槑銆備繚鐣欏彉閲忓湪鐑�鍚�鍔ㄥ悗浼氫繚鐣欏叾鍊硷紝浣嗗湪閲嶆柊鍔犺浇绋嬪簭銆佷笅杞芥垨鍐峰惎鍔ㄥ悗涓嶄細淇濈暀銆�

瀹氫箟鏂瑰紡濡備笅锛�

浣滅敤鍩� RETAIN

    <identifier>: <data type>;

END_VAR

浣滅敤鍩熺被鍨嬶細VAR銆乂AR_INPUT銆乂AR_OUTPUT銆乂AR_IN_OUT銆乂AR_STAT銆乂AR_GLOBAL

涓嶅厑璁镐娇鐢ˋT鍏抽敭瀛楀垎閰嶈緭鍏ャ�佽緭鍑烘垨鍐呭瓨鍦板潃銆�

3.鎸佷箙鍙橀噺

鎸佷箙鍙橀噺鐢盤ERSISTENT鍏抽敭瀛楀０鏄庛�傛寔涔呭彉閲忎細瀛樺偍鍦ㄥ�栭儴鏂囦欢涓�锛屽洜姝や細涓�鐩翠繚鐣欍��

鍏ㄥ眬鎸佷箙鍙橀噺瀹氫箟鏂瑰紡濡備笅锛�

VAR_GLOBAL PERSISTENT RETAIN

    <identifier> : <data type> (:= <initialization>)?;

<instance path to POU variable>

END_VAR

绋嬪簭鍧椾腑鐨勫畾涔夋柟寮忓�備笅锛�

浣滅敤鍩� PERSISTENT RETAIN

    name : <data type>;

END_VAR

浣滅敤鍩燂細VAR銆乂AR_INPUT銆乂AR_OUTPUT銆乂AR_IN_OUT銆乂AR_STAT銆乂AR_GLOBAL

娉ㄦ剰锛�

锛�1锛変笉鍏佽�镐娇鐢ˋT鍏抽敭瀛楀垎閰嶈緭鍏ャ�佽緭鍑烘垨鍐呭瓨鍦板潃銆�

锛�2锛夊湪鎸佷箙鍙橀噺鍒楄〃涓�浣跨敤涓嶈兘浣跨敤鎸囬拡锛圥OINTER TO鏁版嵁绫诲瀷锛夈�傞噸鏂颁笅杞藉簲鐢ㄧ▼搴忔椂锛屾寚閽堢被鍨嬬殑浣嶇疆鍙�鑳戒細鏀瑰彉锛屽皢浼氬�艰嚧涓嶅彲棰勬枡鐨勭粨鏋溿��

鍥涖�佸悗璁�

鍥犱负鏄�浠嬬粛ST鐨勫熀纭�鐭ヨ瘑锛屾墍浠ヤ笂闈㈡妸鐩稿叧鐨勮�掕惤閮芥壂浜嗕竴涓嬶紝搴旇�ヨ�撮渶瑕佺敤鍒扮殑鍦版柟閮借繃浜嗕竴涓嬨�傛柊鎵嬪湪鐪嬬殑鏃跺�欙紝濡傛灉鍙戠幇鐜板湪鐢ㄤ笉鍒扮殑鍙�浠ュ厛璺宠繃锛屽彧鐪嬭嚜宸辨劅鍏磋叮鐨勫氨濂戒簡銆傚疄闄呬笂CODESYS鎻愪緵浜嗗湪绾垮府鍔╂枃妗ｏ紝杩欐槸涓�涓�浣跨敤CODESYS鐨勭櫨绉戝叏涔︺�備絾鏄�澶ч儴鍒嗚祫鏂欐槸鑻辨枃鐨勶紝鑰屼笖鏈夊緢澶氬啓鐨勭湡鐨勪笉澶�濂芥噦锛堝氨鏄�閭ｇ�嶅崟璇嶅叏璁よ瘑锛屼粈涔堟剰鎬濅笉鐭ラ亾锛燂紒锛佹劅瑙夎嫳璇�鍏ㄩ兘鐧藉�︿簡锛屽ソ灏村艾~~~锛夈�傝繖涔熸槸涓轰粈涔堜細鏈夎繖浜涙枃绔犵殑鍘熷洜涔嬩竴锛屽笇鏈涘�瑰ぇ瀹舵湁甯�鍔�^o^銆�
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