Codesys娴呮瀽

admin · 鍙戣〃浜� 2018-8-17 08:56:49

CoDeSys鏄彲缂栫▼閫昏緫鎺у埗PLC鐨勫畬鏁村紑鍙戠幆澧冿紙Controlled Developement System鐨勭缉鍐欙級锛屽湪PLC绋嬪簭鍛樼紪绋嬫椂,CoDeSys涓哄己澶х殑IEC璇█鎻愪緵浜嗕竴涓畝鍗曠殑鏂规硶锛岀郴缁熺殑缂栬緫鍣ㄥ拰璋冭瘯鍣ㄧ殑鍔熻兘鏄缓绔嬪湪楂樼骇缂栫▼璇█鐨勫熀纭€涓娿€�
CoDeSys妗嗘灦涓ら儴鍒嗙粍鎴愶細
1銆丆oDeSys IDE銆�
鍗矯oDeSys闆嗘垚寮€鍙戠幆澧冿紝绗﹀悎IEC61131缂栫▼瑙勮寖锛屽畨瑁呬簬PC鏈轰笂锛岃繍琛屼簬Windows鎴栬€匧inux涓嬨€傜敱鏈€缁堝簲鐢ㄧ敤鎴锋墍浣跨敤鐨勫紑鍙戝伐鍏枫€�

2銆丆oDeSys Runtime銆�
CoDeSys搴曞眰杩愯鍘熺悊

Codesys runtime鏄缓绔嬪湪OS涓婄殑锛屽父瑙佺殑OS鏈墂ince锛寃indows锛宭inux锛寁xworks銆傛瀯寤哄湪OS鐨勪紭鍔垮氨鍦ㄤ簬绯荤粺鐨勬墿灞曟€ф洿寮猴紝PC鐨勬洿澶氬姛鑳介兘鍙互鍦≒LC涓婂疄鐜般€�
control task琚搷浣滅郴缁熸瘡闅斾竴娈垫椂闂达紙鍏稿瀷鏄�1ms锛夎皟鐢ㄤ竴娆°€�
IEC task琚唴寤虹殑鐪嬮棬鐙楃洃鎺э紝鐩戣PLC鐨勫疄闄呭伐浣滃懆鏈熸槸鍚﹁秴鍑洪瀹氭椂闂达紝濡傛灉瓒呭嚭鍒橧EC task浠诲姟鍋滄锛屽悜绯荤粺鎶ュ憡閿欒銆�
CoDeSys鐨勭紪绋嬪伐鍏�
IL 銆丼T銆� FBD 銆丩D銆� CFC銆� SFC鍏璇█銆備絾Codesys涓绘帹鐨勮繕鏄疭T璇█锛屼篃灏辨槸TIA涓璖CL銆備笅闈粙缁嶄竴涓媍odesys涓笌鍒殑PLC缂栫▼宸ュ叿涓嶅悓鐨勫湴鏂癸細1.楂樼骇璇█涓殑struct銆�
Struct鍦ㄨタ闂ㄥ瓙SCL璇█涓绉颁负UDT锛坲ser defined type锛夛紝AB RSLogix 5000涓篃琚О涓篣DT
TYPE TRAFFIC :
(RED, YELLOW:=1, GREEN:=10);
END_TYPETYPE STRUCT1 :
STRUCT
P1:INT;
P2:INT;
P3:INT;
END_STRUCT
END_TYPE2.鎸囬拡锛岀紪绋嬩腑鐨勯《绾у埄鍣紝鍦╟odesys涓篃鍙互浣跨敤
Example in ST:
pt:OINTER TO INT;
var_int1:INT;
var_int2:INT;
pt := ADR(var_int1);
var_int2:=pt^;3.FC锛孎B鐨勬蹇�

涓婅堪鏄疌oDeSys璇存槑涔︾殑渚嬬▼
FC鍦ㄧ▼搴忎腑鐩存帴璋冪敤鍗冲彲锛孎B鍒欓渶瑕佸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殑瀵硅薄瀹炰緥銆傚姣旇タ闂ㄥ瓙S300/S400鐨凢C銆丗B
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�
2.FC鍜孎B閮芥湁鑷繁鐨凾EMP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璋冪敤瀹屾瘯锛孴EMP鍙橀噺浼氶噴鏀俱€�
3.FB鏈夐潤鎬佸彉閲忥紝FC娌℃湁銆傞潤鎬佸彉閲忓湪鑳屾櫙DB涓紝FB璋冪敤瀹屾瘯锛岄潤鎬佸彉閲忎粛鐒舵湁鏁堛€�
瑗块棬瀛�300涓紝DB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€�
鏅疍B鍜屽叡浜獶B娌℃湁鏈川鍖哄埆锛屽畠浠殑鏁版嵁閮藉彲浠ヨ浠讳綍涓€涓狣B锛孎C鎴栬€匜B璇诲啓銆傚畠浠殑鍖哄埆鍦ㄤ簬浣跨敤鐩殑锛氳儗鏅疍B涓篎B鎻愪緵鏁版嵁锛屽叾鏁版嵁鏍煎紡鍜孎B鍙橀噺澹版槑涓€鑷达紱鍏变韩DB鐩殑涓虹敤鎴风▼搴忔彁渚涗竴涓彲淇濆瓨鐨勬暟鎹尯銆�

濡傛灉瀵笴姣旇緝鐔熸倝锛屽彲浠ヨ繖鏍风悊瑙ｏ細FC鍜孎B鍍廋涓殑鍑芥暟锛屽彧涓嶈繃FB鍙互鐢熸垚闈欐€佸彉閲忥紝鍦ㄤ笅娆″嚱鏁拌皟鐢ㄦ椂鏁版嵁鍙互淇濈暀锛岃€孎C鐨勫彉閲忓彧鍦ㄨ皟鐢ㄦ湡鍐呮湁鏁堬紝涓嬫璋冪敤鍙堥噸鏂版洿鎹€€� 姣忔璋冪敤FC鐨処/O鍖哄煙蹇呴』瑕佽嚜宸辨瘡娆℃墜鍔ㄨ緭鍏ワ紝鑰孎B灏变笉瑕侊紝鐪佸幓涓嶅皯楹荤儲锛屽鏋滃湪涓婁綅鏈烘帶鍒剁洿鎺ヨ緭鍏B鎺у埗鍦板潃灏卞彲!鐪嬪埌杩欓噷锛屽ぇ瀹跺啀鎬濈储涓€涓嬶紝寰风郴PLC鐨勭紪绋嬫€濇兂铏界劧瀹炵幇褰㈠紡涓嶅悓锛屼絾寮鸿皟鐨勬蹇甸兘涓€鏍凤紝涓€瀹氳鐞嗚В杩欎簺姒傚康锛屾墠鑳界啛缁冨簲鐢ㄣ€�4.PLC_PRG
PLC_PRG鏄竴涓瀹氫箟鐨凱OU(program of unit)锛屾瘡涓伐绋嬪繀椤诲寘鍚繖涓壒瀹氱殑绋嬪簭锛岃繖涓狿OU鍦ㄦ瘡涓猚ycle涓皟鐢ㄤ竴娆°€傚叾鏈川灏辨槸涓€涓猣reewheeling绋嬪簭銆�
濡傛灉浣跨敤浜嗗浠诲姟锛屽彲浠ヤ笉鍖呭惈PLC_PRG锛屾寜鐓т换鍔￠厤缃〃鎵ц鐗瑰畾绋嬪簭銆�5.lib搴撶殑浣跨敤
Lib鐨勪娇鐢ㄤ綋鐜颁簡codesys楂樼骇璇█鐨勭壒鎬э紝鏀寔math.lib锛宻tring.lib锛宑anopen.lib锛屽彲浠ヤ娇鐢ㄨ嚜瀹氫箟鐨刲ib

鐢ㄦ埛鑷繁瀹炵幇鐨刲ib搴擄紝鍖呭惈涓ょ锛欼nternal lib锛孍xternal lib锛屾湁浠€涔堝尯鍒憿锛�
鍐呴儴鏄畬鍏ㄥ埄鐢–oDeSys瀹炵幇鐨勮嚜瀹氫箟lib搴撱€傚閮ㄥ簱鍒欓渶瑕佸埄鐢ㄧ浉鍏崇殑缂栬瘧閾惧幓缂栬瘧锛屾洿澶氳搴曞眰寮€鍙戣€呮墍閲囩敤锛屽彲浠ョ洿鎺ュ埄鐢∣S搴曞眰鐨凙PI杩涜缂栫▼锛屾€ц兘鏁堢巼鏇撮珮銆�
6.濂界敤鐨刢ase璇彞CASE INT1 OF
1, 5:
BOOL1 := TRUE;
BOOL3 := FALSE;
2:
BOOL2 := FALSE;
BOOL3 := TRUE;
10..20:
BOOL1 := TRUE;
BOOL3:= TRUE;
ELSE
BOOL1 := NOT BOOL1;
BOOL2 := BOOL1 OR BOOL2;
END_CASE;case璇彞锛屽彲浠ュ疄鐜版墜鍔ㄨ嚜鍔紝鍙互瀹炵幇澶氬伐浣嶃€�

Codesys娴呮瀽

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