CODESYS 涓�鐨勭壒娈婃暟鎹�绫诲瀷 - 鎸囬拡

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瀹冩敮鎸佸�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�傛寚閽堟槸缂栫▼涓�鐨勪竴涓�閲嶈�佹�傚康锛屽畠鍏佽�哥▼搴忓憳鐩存帴鎿嶄綔鍐呭瓨鍦板潃锛屼粠鑰屾洿楂樻晥鍦板�勭悊鏁版嵁銆傛湰鏂囧皢浠嬬粛 CODESYS 涓�鎸囬拡鐨勫熀纭�鐭ヨ瘑锛屽苟閫氳繃鍏蜂綋鐨勬�堜緥灞曠ず鎸囬拡鐨勪娇鐢ㄦ柟娉曘��

1

鎸囬拡鍩虹��

鍦� CODESYS 涓�锛屾寚閽堟槸涓�绉嶇壒娈婄殑鏁版嵁绫诲瀷锛屽畠瀛樺偍浜嗗彟涓�涓�鍙橀噺鐨勫唴瀛樺湴鍧�銆傞�氳繃鎸囬拡锛岀▼搴忓彲浠ョ洿鎺ヨ�块棶鍜屼慨鏀硅�ュ唴瀛樺湴鍧�涓婄殑鏁版嵁銆傛寚閽堢殑澹版槑鍜屼娇鐢ㄤ笌鍏朵粬缂栫▼璇�瑷�绫讳技锛屼絾鍦ㄥ伐涓氳嚜鍔ㄥ寲棰嗗煙涓�锛屾寚閽堢殑浣跨敤闇�瑕佺壒鍒�灏忓績锛屼互閬垮厤鍥犱负璇�鎿嶄綔瀵艰嚧鐨勭郴缁熷穿婧冦��

1.1

澹版槑鎸囬拡

鍦� CODESYS 涓�锛屽彲浠ヤ娇鐢� POINTER TO 鍏抽敭瀛楀０鏄庝竴涓�鎸囬拡銆備緥濡傦紝澹版槑涓�涓�鎸囧悜鏁存暟鐨勬寚閽堬細

[AppleScript] 绾�鏂囨湰鏌ョ湅 澶嶅埗浠ｇ爜

VAR
    pInt : POINTER TO INT;
END_VAR

1.2

鎸囬拡鐨勮祴鍊�

鎸囬拡闇�瑕佹寚鍚戞煇涓�鍙橀噺鐨勫湴鍧�锛屽彲浠ヤ娇鐢� ADR 鍑芥暟鑾峰彇鍙橀噺鐨勫湴鍧�锛屽苟璧嬪�肩粰鎸囬拡銆�

[AppleScript] 绾�鏂囨湰鏌ョ湅 澶嶅埗浠ｇ爜

VAR
    MyInt : INT := 10;
    pInt : POINTER TO INT;
END_VAR

pInt := ADR(MyInt);

1.3

閫氳繃鎸囬拡璁块棶鏁版嵁

閫氳繃鎸囬拡璁块棶鏁版嵁鏃讹紝闇�瑕佷娇鐢� ^ 杩愮畻绗︺��

[AppleScript] 绾�鏂囨湰鏌ョ湅 澶嶅埗浠ｇ爜

VAR
    MyInt : INT := 10;
    pInt : POINTER TO INT;
END_VAR

pInt := ADR(MyInt);
pInt^ := 20; // 淇�鏀� MyInt 鐨勫�间负 20

2

鎸囬拡鐨勪紭缂虹偣

2.1

浼樼偣

• 楂樻晥鐨勫唴瀛樻搷浣滐細鎸囬拡鍏佽�哥洿鎺ユ搷浣滃唴瀛樺湴鍧�锛屽彲浠ユ洿楂樻晥鍦板�勭悊鏁版嵁銆�
• 鍔ㄦ�佸唴瀛樺垎閰嶏細閫氳繃鎸囬拡鍙�浠ュ疄鐜板姩鎬佸唴瀛樺垎閰嶏紝鐏垫椿绠＄悊鍐呭瓨璧勬簮銆�
• 鐏垫椿鐨勬暟鎹�缁撴瀯锛氭寚閽堝彲浠ョ敤浜庡疄鐜板�嶆潅鐨勬暟鎹�缁撴瀯锛屽�傞摼琛ㄣ�佹爲鍜屽浘銆�
• 鍑忓皯鏁版嵁澶嶅埗锛氶�氳繃浼犻�掓寚閽堣�屼笉鏄�鏁版嵁鏈�韬�锛屽彲浠ュ噺灏戞暟鎹�澶嶅埗锛屾彁楂樼▼搴忔�ц兘銆�
  

2.2

缂虹偣

• 鏄撳嚭閿欙細鎸囬拡鎿嶄綔澶嶆潅锛屽�规槗鍑虹幇閿欒��锛屽�傜┖鎸囬拡寮曠敤銆佽秺鐣岃�块棶绛夈��
• 闅句互璋冭瘯锛氭寚閽堢浉鍏崇殑閿欒��閫氬父闅句互璋冭瘯鍜屾帓鏌ワ紝鍙�鑳藉�艰嚧绋嬪簭宕╂簝銆�
• 鍐呭瓨娉勬紡锛氬�傛灉鍔ㄦ�佸垎閰嶇殑鍐呭瓨娌℃湁鍙婃椂閲婃斁锛屽彲鑳戒細瀵艰嚧鍐呭瓨娉勬紡锛屽奖鍝嶇郴缁熺ǔ瀹氭�с��
• 瀹夊叏鎬ч棶棰橈細閿欒��浣跨敤鎸囬拡鍙�鑳藉�艰嚧鍐呭瓨鏁版嵁琚�绡℃敼锛屽甫鏉ュ畨鍏ㄩ殣鎮ｃ��
  

3

閫傚悎鐨勪娇鐢ㄥ満鏅�

• 鍔ㄦ�佹暟鎹�缁撴瀯锛氶渶瑕佸疄鐜板�傞摼琛ㄣ�佹爲銆佸浘绛夊姩鎬佹暟鎹�缁撴瀯鏃讹紝鎸囬拡鏄�涓嶅彲鎴栫己鐨勫伐鍏枫��
• 澶у瀷鏁版嵁澶勭悊锛氬湪闇�瑕佸�勭悊澶ч噺鏁版嵁涓斿唴瀛樻湁闄愮殑鎯呭喌涓嬶紝鎸囬拡鍙�浠ヤ紭鍖栧唴瀛樹娇鐢ㄣ��
• 瀹炴椂绯荤粺锛氬湪闇�瑕侀珮鏁堝唴瀛樻搷浣滅殑瀹炴椂绯荤粺涓�锛屾寚閽堝彲浠ユ彁楂樼郴缁熺殑鍝嶅簲閫熷害銆�
• 宓屽叆寮忕郴缁燂細鍦ㄥ祵鍏ュ紡绯荤粺涓�锛屾寚閽堝彲浠ョ洿鎺ユ搷浣滅‖浠跺瘎瀛樺櫒锛屽疄鐜伴珮鏁堢殑纭�浠舵帶鍒躲��
  

4

妗堜緥锛氫氦鎹�涓や釜鍙橀噺鐨勫��

4.1

缂栫▼鎬濊矾

鍦ㄥ緢澶氱紪绋嬪満鏅�涓�锛屼氦鎹�涓や釜鍙橀噺鐨勫�兼槸涓�涓�鍩烘湰鎿嶄綔銆傞�氳繃浣跨敤鎸囬拡锛屾垜浠�鍙�浠ョ洿鎺ユ搷浣滃彉閲忕殑鍐呭瓨鍦板潃锛屼粠鑰屾彁楂樻晥鐜囥��

4.2

妗堜緥绋嬪簭浠嬬粛

鎴戜滑灏嗗疄鐜颁竴涓�绠�鍗曠殑绋嬪簭锛岄�氳繃鎸囬拡浜ゆ崲涓や釜鏁存暟鍙橀噺鐨勫�笺��

4.3

绋嬪簭瀹炵幇

[AppleScript] 绾�鏂囨湰鏌ョ湅 澶嶅埗浠ｇ爜

PROGRAM SwapValues
VAR
    a : INT := 5; // 鍙橀噺 a
    b : INT := 10; // 鍙橀噺 b
    pA : POINTER TO INT; // 鎸囧悜 a 鐨勬寚閽�
    pB : POINTER TO INT; // 鎸囧悜 b 鐨勬寚閽�
    temp : INT; // 涓存椂鍙橀噺鐢ㄤ簬浜ゆ崲
END_VAR

// 鑾峰彇鍙橀噺 a 鍜� b 鐨勫湴鍧�
pA := ADR(a);
pB := ADR(b);

// 杈撳嚭浜ゆ崲鍓嶇殑鍊�
// a = 5, b = 10

// 浜ゆ崲涓や釜鍙橀噺鐨勫��
temp := pA^;
pA^ := pB^;
pB^ := temp;

// 杈撳嚭浜ゆ崲鍚庣殑鍊�
// a = 10, b = 5

4.4

璇︾粏璇存槑

• 澹版槑鍙橀噺鍜屾寚閽堬細澹版槑涓や釜鏁存暟鍙橀噺 a 鍜� b锛屼互鍙婃寚鍚戝畠浠�鐨勬寚閽� pA 鍜� pB銆�
• 鑾峰彇鍙橀噺鍦板潃锛氫娇鐢� ADR 鍑芥暟鑾峰彇鍙橀噺 a 鍜� b 鐨勫湴鍧�锛屽苟璧嬪�肩粰鎸囬拡 pA 鍜� pB銆�
• 浜ゆ崲鍙橀噺鍊硷細閫氳繃鎸囬拡 pA 鍜� pB 鐩存帴璁块棶鍜屼慨鏀瑰彉閲� a 鍜� b 鐨勫�硷紝浣跨敤涓�涓�涓存椂鍙橀噺 temp 杩涜�屼氦鎹�銆�
  

4.5

浼樺娍

閫氳繃鎸囬拡浜ゆ崲鍙橀噺鍊硷紝浣垮緱浠ｇ爜鏇村姞绠�娲佸拰楂樻晥锛屽挨鍏跺湪闇�瑕侀�戠箒浜ゆ崲鏁版嵁鐨勫満鏅�涓�锛屾寚閽堢殑浣跨敤鍙�浠ユ樉钁楁彁楂樼▼搴忔�ц兘銆�

鎬荤粨

鏈�鏂囦粙缁嶄簡 CODESYS 涓�鎸囬拡鐨勫熀纭�鐭ヨ瘑銆佷紭缂虹偣鍙婂叾閫傚悎鐨勪娇鐢ㄥ満鏅�锛屽苟閫氳繃浜ゆ崲涓や釜鍙橀噺鍊肩殑绠�鍗曟�堜緥灞曠ず浜嗘寚閽堢殑瀹為檯搴旂敤銆傛寚閽堝湪宸ヤ笟鑷�鍔ㄥ寲缂栫▼涓�鍏锋湁閲嶈�佷綔鐢�锛屼絾鍚屾椂涔熼渶瑕佽皑鎱庝娇鐢�锛屼互閬垮厤鍐呭瓨绠＄悊甯︽潵鐨勯棶棰樸�傚笇鏈涢�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�鎸囬拡鐨勪娇鐢ㄦ柟娉曪紝骞跺湪瀹為檯椤圭洰涓�鐏垫椿杩愮敤銆�