CODESYS 涓�鐨勭壒娈婃暟鎹�绫诲瀷 - 寮曠敤

鏃犲績椋炴壃

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CODESYS 鏄�涓�涓�鐢ㄤ簬宸ヤ笟鑷�鍔ㄥ寲鐨勯泦鎴愬紑鍙戠幆澧冿紝鏀�鎸佸�氱�嶇紪绋嬭��瑷�锛屽寘鎷� IEC 61131-3 鏍囧噯涓�鐨� ST锛堢粨鏋勫寲鏂囨湰锛夈�傚紩鐢ㄦ槸涓�涓�閲嶈�佺殑缂栫▼姒傚康锛屽厑璁哥▼搴忓憳閫氳繃寮曠敤鍙橀噺鏉ラ棿鎺ヨ�块棶鍜屾搷浣滄暟鎹�銆傛湰鏂囧皢浠嬬粛 CODESYS 涓�寮曠敤鐨勫熀纭�鐭ヨ瘑锛屽苟閫氳繃鍏蜂綋妗堜緥灞曠ず寮曠敤鐨勪娇鐢ㄦ柟娉曘��

1  寮曠敤鍩虹��

鍦� CODESYS 涓�锛屽紩鐢ㄦ槸涓�绉嶇壒娈婄殑鏁版嵁绫诲瀷锛屽畠鐢ㄤ簬鎸囧悜鍙︿竴涓�鍙橀噺锛屼粠鑰岄�氳繃寮曠敤鏉ヨ�块棶鍜屾搷浣滆�ュ彉閲忕殑鍊笺�傚紩鐢ㄧ殑浣跨敤闇�瑕佺壒鍒�灏忓績锛屼互閬垮厤涓嶅繀瑕佺殑閿欒��銆�

1.1  澹版槑寮曠敤

鍦� CODESYS 涓�锛屽彲浠ヤ娇鐢� REFERENCE TO 鍏抽敭瀛楀０鏄庝竴涓�寮曠敤銆備緥濡傦紝澹版槑涓�涓�鎸囧悜鏁存暟鐨勫紩鐢�锛�

[AppleScript] 绾�鏂囨湰鏌ョ湅 澶嶅埗浠ｇ爜

VAR
    refInt : REFERENCE TO INT;
END_VAR

1.2  寮曠敤鐨勮祴鍊�

寮曠敤闇�瑕佹寚鍚戞煇涓�鍙橀噺锛屽彲浠ラ�氳繃 REF= 鎿嶄綔绗﹀皢涓�涓�鍙橀噺璧嬪�肩粰寮曠敤銆�

[AppleScript] 绾�鏂囨湰鏌ョ湅 澶嶅埗浠ｇ爜

VAR
    MyInt : INT := 10;
    refInt : REFERENCE TO INT;
END_VAR

refInt REF= MyInt;

1.3  閫氳繃寮曠敤璁块棶鏁版嵁

閫氳繃寮曠敤璁块棶鏁版嵁鏃讹紝鍙�浠ョ洿鎺ヤ娇鐢ㄥ紩鐢ㄦ潵鎿嶄綔鍙橀噺銆�

[AppleScript] 绾�鏂囨湰鏌ョ湅 澶嶅埗浠ｇ爜

VAR
    MyInt : INT := 10;
    refInt : REFERENCE TO INT;
END_VAR

refInt REF= MyInt;
refInt := 20; // 淇�鏀� MyInt 鐨勫�间负 20

2  寮曠敤鐨勪紭缂虹偣

2.1  浼樼偣

• 楂樻晥鐨勬暟鎹�鎿嶄綔锛氬紩鐢ㄥ厑璁哥洿鎺ヨ�块棶鍙橀噺锛岄伩鍏嶄簡鏁版嵁澶嶅埗锛屾彁楂樹簡鏁堢巼銆�
• 绠�鍖栦唬鐮侊細閫氳繃寮曠敤浼犻�掞紝鍙�浠ュ噺灏戝弬鏁颁紶閫掔殑澶嶆潅鎬с��
• 鐏垫椿鐨勬帴鍙ｈ�捐�★細寮曠敤鍙�浠ョ敤浜庤�捐�＄伒娲荤殑鎺ュ彛锛岄�氳繃寮曠敤鍙傛暟瀹炵幇鍔ㄦ�佹暟鎹�鎿嶄綔銆�
  

2.2  缂虹偣

• 鏄撹�绘�ч檷浣庯細杩囧�氫娇鐢ㄥ紩鐢ㄥ彲鑳藉�艰嚧浠ｇ爜闅句互鐞嗚В銆�
• 閿欒��闅句互瀹氫綅锛氬紩鐢ㄧ浉鍏崇殑閿欒��鍙�鑳介毦浠ヨ皟璇曪紝灏ゅ叾鏄�鍑虹幇鏃犳晥寮曠敤鏃躲��
• 瀹夊叏鎬ч棶棰橈細涓嶅綋浣跨敤寮曠敤鍙�鑳藉�艰嚧鏁版嵁琚�鎰忓�栦慨鏀癸紝甯︽潵瀹夊叏闅愭偅銆�
  

3  閫傚悎鐨勪娇鐢ㄥ満鏅�

• 妯″潡鍖栫紪绋嬶細鍦ㄦā鍧楀寲缂栫▼涓�锛岄�氳繃寮曠敤浼犻�掑弬鏁板彲浠ユ彁楂樹唬鐮佺殑鍙�閲嶇敤鎬с��
• 澶у瀷鏁版嵁澶勭悊锛氬�勭悊澶у瀷鏁版嵁鏃讹紝寮曠敤鍙�浠ラ伩鍏嶆暟鎹�澶嶅埗锛屾彁楂樻晥鐜囥��
• 瀹炴椂绯荤粺锛氬湪闇�瑕侀珮鏁堟暟鎹�鎿嶄綔鐨勭郴缁熶腑锛屽紩鐢ㄥ彲浠ユ彁楂樺搷搴旈�熷害銆�
• 绯荤粺鍐呭瓨鍙楅檺锛氬湪璧勬簮鍙楅檺鐨勫祵鍏ュ紡绯荤粺涓�锛屽紩鐢ㄥ彲浠ヤ紭鍖栧唴瀛樹娇鐢ㄣ��
  

4  妗堜緥锛氫娇鐢ㄥ紩鐢ㄥ疄鐜版暟缁勫厓绱犳眰鍜�

4.1  缂栫▼鎬濊矾

鍦ㄥ�勭悊鏁扮粍鏃讹紝閫氳繃寮曠敤鍙�浠ョ洿鎺ヨ�块棶鏁扮粍鍏冪礌锛屽疄鐜伴珮鏁堢殑鏁版嵁鎿嶄綔銆備互涓嬫�堜緥灞曠ず濡備綍浣跨敤寮曠敤鏉ユ眰涓�涓�鏁存暟鏁扮粍鐨勫厓绱犲拰銆�

4.2  妗堜緥绋嬪簭浠嬬粛

鎴戜滑灏嗗疄鐜颁竴涓�绋嬪簭锛岄�氳繃寮曠敤璁块棶鏁扮粍鍏冪礌骞惰�＄畻鍏舵�诲拰銆�

4.3  绋嬪簭瀹炵幇

[AppleScript] 绾�鏂囨湰鏌ョ湅 澶嶅埗浠ｇ爜

PROGRAM SumArray
VAR
    numbers : ARRAY [1..5] OF INT := [1, 2, 3, 4, 5]; // 鏁存暟鏁扮粍
    refNum : REFERENCE TO INT; // 鎸囧悜鏁扮粍鍏冪礌鐨勫紩鐢�
    sum : INT := 0; // 鎬诲拰鍙橀噺
    i : INT; // 寰�鐜�鍙橀噺
END_VAR

// 閬嶅巻鏁扮粍骞惰�＄畻鎬诲拰
FOR i := 1 TO 5 DO
    refNum REF= numbers[i]; // 鑾峰彇鏁扮粍鍏冪礌寮曠敤
    sum := sum + refNum; // 绱�鍔犳暟缁勫厓绱犵殑鍊�
END_FOR

// 杈撳嚭鎬诲拰
// sum = 15

4.4  璇︾粏璇存槑

• 澹版槑鏁扮粍鍜屽紩鐢�锛氬０鏄庝竴涓�鏁存暟鏁扮粍 numbers 鍜岀敤浜庢寚鍚戞暟缁勫厓绱犵殑寮曠敤 refNum銆�
• 閬嶅巻鏁扮粍锛氫娇鐢� FOR 寰�鐜�閬嶅巻鏁扮粍锛岄�氳繃寮曠敤 refNum 璁块棶姣忎釜鍏冪礌銆�
• 璁＄畻鎬诲拰锛氶�氳繃寮曠敤鐩存帴璁块棶鏁扮粍鍏冪礌鐨勫�硷紝骞剁疮鍔犲埌 sum 涓�銆�
  

4.5  浼樺娍

• 楂樻晥璁块棶锛氶�氳繃寮曠敤鐩存帴璁块棶鏁扮粍鍏冪礌锛岄伩鍏嶄簡涓嶅繀瑕佺殑澶嶅埗鎿嶄綔銆�
• 绠�娲佷唬鐮侊細浣跨敤寮曠敤绠�鍖栦簡鏁扮粍鍏冪礌璁块棶鐨勮��娉曪紝鎻愰珮浜嗕唬鐮佸彲璇绘�с��
• 鐏垫椿鎬э細寮曠敤鍙�浠ヨ交鏉剧敤浜庝笉鍚岀殑鏁版嵁缁撴瀯锛屾彁楂樼▼搴忕殑閫氱敤鎬у拰鐏垫椿鎬с��
  

妗堜緥鐪嬭捣鏉ユ瘮涓嬮潰鐨勭▼搴忔洿澶嶆潅

[AppleScript] 绾�鏂囨湰鏌ョ湅 澶嶅埗浠ｇ爜

PROGRAM SumArray
VAR
    numbers : ARRAY [1..5] OF INT := [1, 2, 3, 4, 5]; // 鏁存暟鏁扮粍
    sum : INT := 0; // 鎬诲拰鍙橀噺
    i : INT; // 寰�鐜�鍙橀噺
END_VAR

FOR i := 1 TO 5 DO
    sum := sum + numbers[i]; // 绱�鍔犳暟缁勫厓绱犵殑鍊�
END_FOR

// 杈撳嚭鎬诲拰
// sum = 15

涓昏�佹槸鍥犱负锛岀洿鎺ヤ娇鐢ㄦ暟缁勭储寮曡�块棶鍏冪礌鍜屼娇鐢ㄥ紩鐢ㄧ殑鎬ц兘宸�寮傚彲鑳戒笉鏄庢樉銆傚紩鐢ㄧ殑浼樺娍閫氬父鍦ㄤ互涓嬪満鏅�涓�鏇村姞绐佸嚭锛�

• 澶嶆潅鏁版嵁缁撴瀯锛氬湪澶勭悊澶嶆潅鏁版嵁缁撴瀯锛堝�傞摼琛ㄣ�佹爲锛夋椂锛屽紩鐢ㄥ彲浠ユ洿楂樻晥鍦拌�块棶鍜屾搷浣滆妭鐐广��
• 妯″潡鍖栬�捐�★細寮曠敤鍙�浠ョ敤浜庢ā鍧楀寲璁捐�★紝閫氳繃寮曠敤浼犻�掓暟鎹�锛岄伩鍏嶄笉蹇呰�佺殑澶嶅埗锛屾彁楂樹唬鐮佸�嶇敤鎬с��
• 鍔ㄦ�佹暟鎹�澶勭悊锛氬湪闇�瑕佸姩鎬佸�勭悊鏁版嵁锛堝�傚姩鎬佹暟缁勬垨鍐呭瓨绠＄悊锛夋椂锛屽紩鐢ㄦ彁渚涗簡鏇村ぇ鐨勭伒娲绘�с��
  
  

鍦ㄧ畝鍗曠殑鏁扮粍姹傚拰鍦烘櫙涓�锛屼娇鐢ㄧ储寮曡�块棶宸茬粡瓒冲�熼珮鏁堝拰绠�娲併�傚紩鐢ㄧ殑浼樺娍鍦ㄦ洿澶嶆潅鐨勫満鏅�涓�浼氭洿鍔犳槑鏄撅紝浣嗛渶瑕佷綘瀵瑰紩鐢ㄦ湁鏇村姞娣卞埢鐨勭悊瑙ｃ��

鎬荤粨

鏈�鏂囦粙缁嶄簡 CODESYS 涓�寮曠敤鐨勫熀纭�鐭ヨ瘑锛屽苟閫氳繃涓�涓�绠�鍗曠殑妗堜緥灞曠ず浜嗗紩鐢ㄧ殑鍩虹��浣跨敤鏂规硶銆傚�傛灉闇�瑕佹洿鍔犺兘浣撶幇浼樺娍鐨勫簲鐢ㄨ繕闇�瑕佽�昏�呰繘琛屾洿鍔犳繁鍒荤殑瀛︿範锛屽畼鏂规枃妗ｆ槸涓�涓�寰堝ソ鐨勯�斿緞銆傚紩鐢ㄥ湪鎬ц兘杩囧墿鐨勪粖澶╁簲鐢ㄨ繕鏄�姣旇緝灏戠殑锛屽彧寤鸿��璇昏�呬簡瑙ｅ氨鍙�浠ヤ簡锛屽�傛灉浣跨敤涔熼渶瑕佽皑鎱庝娇鐢�锛屼互閬垮厤鍑虹幇娼滃湪鐨勯�庨櫓銆�

甯屾湜閫氳繃鏈�鏂囩殑浠嬬粛锛岃�昏�呰兘澶熸洿濂藉湴鐞嗚В鍜屾帉鎻� CODESYS 涓�寮曠敤鐨勫熀纭�浣跨敤鏂规硶锛屽氨绠楀湪瀹為檯椤圭洰涓�閬囧埌锛屾垜浠�涔熷彲浠ョ煡閬撳畠锛屽苟鍙�浠ョ煡閬撲粠鍝�閲岀户缁�瀛︿範瀹冩潵瑙ｅ喅闂�棰樸��