{"id":66211,"date":"2026-01-26T13:24:54","date_gmt":"2026-01-26T05:24:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/66211.html"},"modified":"2026-01-26T13:24:54","modified_gmt":"2026-01-26T05:24:54","slug":"codesys%e5%85%a5%e9%97%a8%e5%ae%9e%e6%88%98%e4%b8%80%e8%b5%b7%e5%ad%a6%e4%b9%a0%ef%bc%88%e5%8d%81%e4%b9%9d%ef%bc%89%ef%bc%9aplc%e7%bc%96%e7%a8%8b%e5%85%ac%e7%94%a8%e5%85%83%e7%b4%a0%ef%bc%88%e4%ba%8c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/66211.html","title":{"rendered":"CoDeSys\u5165\u95e8\u5b9e\u6218\u4e00\u8d77\u5b66\u4e60\uff08\u5341\u4e5d\uff09\uff1aPLC\u7f16\u7a0b\u516c\u7528\u5143\u7d20\uff08\u4e8c\uff09\uff1a\u5173\u952e\u5b57\u4e0e\u5e38\u6570\uff0c\u7a0b\u5e8f\u7684\u201c\u6838\u5fc3\u8bcd\u6c47\u4e0e\u56fa\u5b9a\u503c\u201d"},"content":{"rendered":"

\n

\u5982\u679c\u8bf4\u5b57\u7b26\u96c6\u548c\u5206\u754c\u7b26\u662fPLC\u7f16\u7a0b\u7684\u201c\u57fa\u7840\u8bed\u6cd5\u201d，\u90a3\u5173\u952e\u5b57\u548c\u5e38\u6570\u5c31\u662f\u7f16\u7a0b\u7684\u201c\u6838\u5fc3\u8bcd\u6c47\u201d\u2014\u2014\u5173\u952e\u5b57\u5b9a\u4e49\u7a0b\u5e8f\u7ed3\u6784，\u5e38\u6570\u662f\u7a0b\u5e8f\u4e2d\u4e0d\u53ef\u4fee\u6539\u7684\u56fa\u5b9a\u503c，\u4e8c\u8005\u5747\u4e3aIEC61131-3\u6807\u51c6\u7684\u6838\u5fc3\u5143\u7d20，\u4e5f\u662fCoDeSys\u7b49\u7f16\u7a0b\u8f6f\u4ef6\u7684\u901a\u7528\u89c4\u8303\u3002\u672c\u6587\u8be6\u89e3\u5173\u952e\u5b57\u7684\u5206\u7c7b\u4e0e\u4f7f\u7528\u7981\u5fcc，\u4ee5\u53ca8\u7c7b\u5e38\u7528\u5e38\u6570\u7684\u4e66\u5199\u89c4\u5219\u3002<\/p>\n

\u4e00\u3001\u5173\u952e\u5b57：PLC\u7a0b\u5e8f\u7684\u201c\u4fdd\u7559\u5b57\u201d，\u4e0d\u53ef\u632a\u7528\u7684\u7ed3\u6784\u5b9a\u4e49\u8bcd<\/p>\n

\u5173\u952e\u5b57\u662f\u7279\u5f81\u5316\u8bcd\u6cd5\u5355\u5143，\u7528\u4e8e\u5b9a\u4e49\u7a0b\u5e8f\u7ed3\u6784\u3001\u542f\u52a8\/\u7ec8\u6b62\u8f6f\u4ef6\u5143\u7d20，\u662f\u7f16\u8bd1\u5668\u8bc6\u522b\u7a0b\u5e8f\u903b\u8f91\u7684\u5173\u952e，\u6838\u5fc3\u89c4\u5219\u4e0e\u5206\u7c7b\u5982\u4e0b：<\/p>\n

  • \u6838\u5fc3\u4f7f\u7528\u7981\u5fcc：\u4e0d\u53ef\u4f5c\u4e3a\u53d8\u91cf\u540d\u3001\u6269\u5c55\u540d（\u5982TON\u3001VAR\u4e0d\u53ef\u7528\u4e8e\u547d\u540d）；\u65e0\u7a7a\u683c，\u4e3a\u8fde\u7eed\u5b57\u7b26\u3002<\/li>\n
  • \u6838\u5fc3\u5206\u7c7b（CoDeSys\u5e38\u7528）<\/li>\n

    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \n

    \u5173\u952e\u5b57<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u8bf4\u660e<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u5173\u952e\u5b57<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u8bf4\u660e<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    PROGRAM<\/span><\/span><\/p>\n

    END_PROGRAM<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u7a0b\u5e8f\u6bb5\u5f00\u59cb\u7a0b\u5e8f\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n

    		\n

    EN<\/span>\u00a0,ENO<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u4f7f\u80fd\u8f93\u5165\/\u8f93\u51fa<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    FUNCTION<\/span><\/span><\/p>\n

    END_FUNCTION<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u51fd\u6570\u6bb5\u5f00\u59cb<\/span><\/span><\/p>\n

    \u51fd\u6570\u6bb5\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n

    		\n

    TRUE<\/span><\/span><\/p>\n

    FALSE<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u903b\u8f91\u771f<\/span><\/span><\/p>\n

    \u903b\u8f91\u5047<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    FUNCTION_BLOCK<\/span><\/span><\/p>\n

    END_FUNCTION_<\/span><\/span><\/p>\n

    BLOCK<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u529f\u80fd\u5757\u6bb5\u5f00\u59cb<\/span><\/span><\/p>\n

    \u529f\u80fd\u5757\u6bb5\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n

    		\n

    TYPE<\/span><\/span><\/p>\n

    END_TYPE<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u6570\u636e\u7c7b\u578b\u6bb5\u5f00\u59cb，<\/span><\/span><\/p>\n

    \u6570\u636e\u7c7b\u578b\u6bb5\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    VAR<\/span><\/span><\/p>\n

    END_VAR<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u5185\u90e8\u53d8\u91cf\u6bb5\u5f00\u59cb<\/span>\u53d8\u91cf\u6bb5\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n

    		\n

    STRUCT<\/span><\/span><\/p>\n

    END_STRUCT<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u7ed3\u6784\u4f53\u5f00\u59cb，<\/span><\/span><\/p>\n

    \u7ed3\u6784\u4f53\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    VAR_<\/span>\u00a0INPUT<\/span><\/span><\/p>\n

    END_VAR<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u8f93\u5165\u53d8\u91cf\u6bb5\u5f00\u59cb<\/span>\u53d8\u91cf\u6bb5\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n

    		\n

    IF<\/span>\u00a0THEN<\/span>\u00a0EISIF<\/span><\/span><\/p>\n

    ELSE<\/span>\u00a0END_IF<\/span><\/span><\/p>\n<\/td>\n

    		\n

    IF<\/span>\u00a0\u8bed\u53e5<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    VAR_OUTPUT<\/span><\/span><\/p>\n

    END_VAR<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u8f93\u51fa\u53d8\u91cf\u6bb5\u5f00\u59cb<\/span>\u53d8\u91cf\u6bb5\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n

    		\n

    CASE OF<\/span>\u00a0\u00a0ELSE<\/span><\/span><\/p>\n

    END_CASE<\/span><\/span><\/p>\n<\/td>\n

    		\n

    CASE<\/span>\u00a0\u8bed\u53e5<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    VAR_<\/span>\u00a0IN_OUT<\/span><\/span><\/p>\n

    END_VAR<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u8f93\u5165\u8f93\u51fa\u53d8\u91cf\u6bb5\u5f00\u59cb<\/span>\u53d8\u91cf\u6bb5\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n

    		\n

    FOR<\/span>\u00a0TO<\/span>\u00a0BY<\/span>\u00a0DO<\/span><\/span><\/p>\n

    END_FOR<\/span><\/span><\/p>\n<\/td>\n

    		\n

    FOR<\/span>\u00a0\u5faa\u73af\u8bed\u53e5<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    VAR_GLOBAL<\/span><\/span><\/p>\n

    END_VAR<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u5168\u5c40\u53d8\u91cf\u6bb5\u5f00\u59cb\u53d8\u91cf\u6bb5\u7ed3\u675f<\/span><\/span><\/p>\n<\/td>\n

    		\n

    REPEAT UNTIL<\/span><\/span><\/p>\n

    END_REPEAT<\/span><\/span><\/p>\n<\/td>\n

    		\n

    REPEAT<\/span>\u00a0\u5faa\u73af\u8bed\u53e5<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    CONSTANT<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u5e38\u6570\u53d8\u91cf<\/span><\/span><\/p>\n<\/td>\n

    		\n

    WHILE<\/span>\u00a0DO<\/span><\/span><\/p>\n

    END_WHILE<\/span><\/span><\/p>\n<\/td>\n

    		\n

    WHILE<\/span>\u00a0\u5faa\u73af\u8bed\u53e5<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    ARRAY OF<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u6570\u7ec4<\/span><\/span><\/p>\n<\/td>\n

    		\n

    RETURN<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u8df3\u8f6c\u8fd4\u56de\u7b26<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

    \n

    AT<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u76f4\u63a5\u5730\u5740<\/span><\/span><\/p>\n<\/td>\n

    		\n

    NOT,AND,OR,XOR<\/span><\/span><\/p>\n<\/td>\n

    		\n

    \u903b\u8f91\u64cd\u4f5c\u7b26<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \n
    • \u7a0b\u5e8f\u7ed3\u6784\u5173\u952e\u5b57（\u914d\u5bf9\u4f7f\u7528）：PROGRAM\/END_PROGRAM\u3001FUNCTION\/END_FUNCTION\u3001FUNCTION_BLOCK\/END_FUNCTION_BLOCK（\u5b9a\u4e49\u7a0b\u5e8f\/\u51fd\u6570\/\u529f\u80fd\u5757\u8303\u56f4）\u3002<\/li>\n
    • \u53d8\u91cf\u58f0\u660e\u5173\u952e\u5b57（\u914d\u5bf9\u4f7f\u7528）：VAR\/END_VAR（\u5185\u90e8）\u3001VAR_INPUT\/END_VAR（\u8f93\u5165）\u3001VAR_OUTPUT\/END_VAR（\u8f93\u51fa）\u3001VAR_IN_OUT\/END_VAR（\u8f93\u5165\u8f93\u51fa）\u3001VAR_GLOBAL\/END_VAR（\u5168\u5c40）\u3002<\/li>\n<\/ul>\n
        \n
      • \u6570\u636e\u7c7b\u578b\u5173\u952e\u5b57（\u914d\u5bf9\u4f7f\u7528）：TYPE\/END_TYPE\u3001STRUCT\/END_STRUCT\u3001ARRAY OF（\u6570\u7ec4）\u3002<\/li>\n<\/ul>\n
          \n
        • \u903b\u8f91\u63a7\u5236\u5173\u952e\u5b57（\u914d\u5bf9\/\u5355\u72ec）：IF\/THEN\/ELSE\/END_IF\u3001CASE\/OF\/END_CASE\u3001FOR\/TO\/DO\/END_FOR（\u5faa\u73af\u5224\u65ad）；TRUE\/FALSE（\u903b\u8f91\u503c）\u3001EN\/ENO（\u4f7f\u80fd\u8f93\u5165\u8f93\u51fa）\u3002<\/li>\n<\/ul>\n
            \n
          • \u64cd\u4f5c\/\u8df3\u8f6c\u5173\u952e\u5b57：NOT\/AND\/OR\/XOR（\u903b\u8f91\u8fd0\u7b97）\u3001RETURN（\u8df3\u8f6c\u8fd4\u56de）\u3001AT（\u76f4\u63a5\u5730\u5740）\u3002<\/li>\n<\/ul>\n

            \u00a0 \u00a0 3.\u6269\u5c55\u4fdd\u7559\u5173\u952e\u5b57：\u6807\u51c6\u6570\u636e\u7c7b\u578b（BOOL\u3001INT\u3001REAL\u7b49）\u3001\u6807\u51c6\u51fd\u6570\/\u529f\u80fd\u5757\u540d（SIN\u3001TON\u3001RS\u7b49）\u3001\u6307\u4ee4\u8868\u64cd\u4f5c\u7b26（LD\u3001ADD\u3001GT\u7b49）\u5747\u4e3a\u4fdd\u7559\u5173\u952e\u5b57\u3002<\/p>\n

            \u4e8c\u3001\u5e38\u6570：\u7a0b\u5e8f\u4e2d\u4e0d\u53ef\u4fee\u6539\u7684\u56fa\u5b9a\u503c，\u6309\u7c7b\u578b\u9075\u5faa\u4e13\u5c5e\u4e66\u5199\u89c4\u5219<\/p>\n

            \u5e38\u6570\u53c8\u79f0\u6570\u503c\u6587\u5b57，\u5206\u4e3a\u57fa\u7840\u6570\u503c\u5e38\u6570\u548c\u7279\u6b8a\u7c7b\u578b\u5e38\u6570，\u4e66\u5199\u683c\u5f0f\u4e3a<\u7c7b\u578b>#<\u6570\u503c><\/span>（\u7c7b\u578b\u53ef\u7701\u7565，\u9ed8\u8ba4\u6700\u5c0f\u6570\u636e\u7c7b\u578b），\u6838\u5fc3\u8981\u6c42：\u6570\u503c\u5fc5\u987b\u5339\u914d\u6307\u5b9a\u6570\u636e\u7c7b\u578b，\u5426\u5219\u7f16\u8bd1\u5668\u62a5\u9519\u3002\u4ee5\u4e0b\u4e3a8\u7c7b\u9ad8\u9891\u5e38\u6570\u7684\u8be6\u7ec6\u89c4\u8303：<\/p>\n\n\n\n\n\n\n\n\n\n\n
            \n

            \u6570\u503c\u6587\u5b57\u7c7b\u578b<\/span><\/span><\/p>\n<\/td>\n

            		\n

            \u8868\u793a\u65b9\u6cd5<\/span><\/span><\/p>\n<\/td>\n

            		\n

            \u793a\u4f8b<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

            \n

            \u6574\u6570\u6587\u5b57<\/span><\/span><\/p>\n<\/td>\n

            		\n

            [\u6574\u6570\u7c7b\u578b\u540d#]\u7b26\u53f7\u6574\u6570\u6216\u4e8c（\u516b\u3001\u5341\u3001\u5341\u516d）\u8fdb\u5236\u6574\u6570<\/span><\/span><\/p>\n<\/td>\n

            		\n

            INT#-34，U<\/span>\u00a0INT#32<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

            \n

            \n<\/td>\n

            		\n

            \u4e8c\u8fdb\u5236\u6574\u6570<\/span><\/span><\/p>\n<\/td>\n

            		\n

            2#0010_0010(34)<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

            \n

            \n<\/td>\n

            		\n

            \u516b\u8fdb\u5236\u6574\u6570<\/span><\/span><\/p>\n<\/td>\n

            		\n

            8#77(63)<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

            \n

            \n<\/td>\n

            		\n

            \u5341\u516d\u8fdb\u5236\u6574\u6570<\/span><\/span><\/p>\n<\/td>\n

            		\n

            16#E5(229)<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

            \n

            \u5b9e\u6570<\/span><\/span><\/p>\n<\/td>\n

            		\n

            [\u5b9e\u6570\u7c7b\u578b\u540d#]\u7b26\u53f7\u6574\u6570.\u6574\u6570[\u6307\u6570]<\/span><\/span><\/p>\n<\/td>\n

            		\n

            REAL#4.94，6.3e-7<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

            \n

            \n<\/td>\n

            		\n

            \u7b26\u53f7\u6574\u6570.\u6574\u6570<\/span><\/span><\/p>\n<\/td>\n

            		\n

            3.141592<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

            \n

            \u5e03\u5c14\u6570<\/span><\/span><\/p>\n<\/td>\n

            		\n

            [\u5e03\u5c14\u7c7b\u578b\u540d#]0<\/span>\u00a0\u6216<\/span>\u00a01，False<\/span>\u00a0\u6216<\/span>\u00a0True<\/span><\/span><\/p>\n<\/td>\n

            		\n

            0，1，True，BOOL#1<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          • \u6570\u503c\u5e38\u6570：\u652f\u6301\u4e8c\u8fdb\u5236（2#）\u3001\u5341\u8fdb\u5236（\u76f4\u63a5\u5199）\u3001\u5341\u516d\u8fdb\u5236（16#），\u53ef\u52a0\u4e0b\u5212\u7ebf\u6392\u7248（\u59822#1010_0011）；\u652f\u6301\u6574\u6570（INT#-34）\u548c\u65e0\u7b26\u53f7\u6574\u6570（UINT#32）\u3002<\/li>\n
          • BOOL\u5e38\u6570：\u903b\u8f91\u503c，\u4ec5TRUE\/1（\u771f）\u3001FALSE\/0（\u5047），\u4e8c\u8005\u7b49\u4ef7\u3002<\/li>\n
          • TIME\u5e38\u6570：\u683c\u5f0fT#<\u65f6\u95f4><\/span>（T\/t\u53ef\u66ff\u6362\u4e3aTIME\/time），\u65f6\u95f4\u5355\u4f4d\u6309d\u2192h\u2192m\u2192s\u2192ms\u6392\u5e8f（\u53ef\u7701\u7565），\u5982：\n

            TIME1<\/span>\u00a0:= T#14ms;<\/span><\/span><\/p>\n

            TIME2<\/span>:= T#100S12ms;(*<\/span>\u6700\u9ad8\u5355\u4f4d\u7684\u503c\u53ef\u4ee5\u8d85\u51fa\u5176\u9650\u5236<\/span>*)<\/span><\/span><\/p>\n

            TIME3<\/span>\u00a0:= t#12h34m15s;<\/span><\/span><\/p>\n<\/li>\n

          • DATE\u5e38\u6570：\u683c\u5f0fD#<\u5e74-\u6708-\u65e5><\/span>（D\/d\u53ef\u66ff\u6362\u4e3aDATE\/date），\u5982D#1980-02-29，DATE#1996-05-06<\/span>\u00a0\u3002<\/span><\/li>\n
          • TIME_OF_DAY（TOD）\u5e38\u6570：\u683c\u5f0fTOD#<\u65f6:\u5206:\u79d2><\/span>（\u79d2\u53ef\u4e3a\u5c0f\u6570），\u5982TOD#05:30:35.28，\u7528\u4e8e\u8868\u793a\u4e00\u5929\u5185\u7684\u5177\u4f53\u65f6\u95f4\u3002\"\"<\/li>\n
          • DATE_AND_TIME（DT）\u5e38\u6570：\u65e5\u671f+\u65f6\u95f4\u7ec4\u5408，\u683c\u5f0fDT#<\u5e74-\u6708-\u65e5-\u65f6:\u5206:\u79d2><\/span>，\u5982DT#2025-01-01-08:00:00\u3002\"\"<\/li>\n
          • REAL\/LREAL\u5e38\u6570：\u6d6e\u70b9\u6570，\u652f\u6301\u5341\u8fdb\u5236\u5c0f\u6570（3.14）\u548c\u6307\u6570\u5f62\u5f0f（6.3e-7），\u91c7\u7528\u7f8e\u56fd\u683c\u5f0f（\u5c0f\u6570\u70b9\u5206\u9694，\u65e0\u5343\u5206\u4f4d）\u3002\"\"<\/li>\n
          • STRING\u5e38\u6570：\u683c\u5f0f'<\u5b57\u7b26\u5185\u5bb9>'<\/span>，\u652f\u6301\u7a7a\u683c\/\u7279\u6b8a\u5b57\u7b26；$<\/span>\u4e3a\u7279\u6b8a\u5b57\u7b26\u524d\u7f00\u3002\"\"<\/li>\n
          • \u4e24\u4f4d\u5341\u516d\u8fdb\u5236\u6570`\u8868\u793aASCII\u7801\u3002<\/li>\n
          • \n

            \u7c7b\u578b\u7b26<\/span>，\u5bf9<\/span>\u00a0IEC <\/span>\u5e38\u6570，\u6709\u53ef\u80fd\u4f7f\u7528\u6700\u5c0f\u7684\u6570\u636e\u7c7b\u578b\u3002\u5982\u5fc5\u9700\u4f7f\u7528\u53e6\u4e00\u79cd\u6570<\/span>\u636e\u7c7b\u578b\u3002\u5219\u53ef\u501f\u52a9\u4e8e\u7c7b<\/span>\u578b\u7b26\u800c\u4e0d\u9700\u8981\u663e\u793a\u5730\u58f0\u660e\u5e38\u6570\u3002\u4e3a\u6b64，\u5e38\u6570\u53ef\u4f7f\u7528\u4e00\u4e2a\u524d\u7f00\u8868\u793a，\u8be5\u524d<\/span>\u7f00\u51b3\u5b9a\u4e86\u5176\u7c7b\u578b\u3002<\/span><\/span><\/p>\n

            \"\"<\/p>\n

            <Type><\/span>\u00a0：\u6307\u5b9a\u6240\u8981\u6c42\u7684\u6570\u636e\u7c7b\u578b\u6709 <\/span>BOOL<\/span>\u00a0\u3001<\/span>SINT<\/span>\u00a0\u3001<\/span>USINT<\/span>\u00a0\u3001<\/span>BYTE<\/span>\u00a0\u3001<\/span>INT<\/span>\u00a0\u3001<\/span>UINT<\/span>\u00a0\u3001<\/span>WORD<\/span>\u3001<\/span>\u00a0DINT<\/span>\u00a0\u3001<\/span>\u00a0UDINT<\/span>\u00a0\u3001<\/span>DWORD<\/span>\u00a0\u3001<\/span>REAL <\/span>\u53ca<\/span>\u00a0LREAL<\/span>\u3002<\/span><\/span><\/p>\n

            <Literal><\/span>：\u6307\u5b9a\u5e38\u6570\u3002\u8f93\u5165\u7684\u6570\u636e\u5fc5\u987b\u4e0e<\/span><Typ<\/span>e><\/span>\u4e0b\u6307\u5b9a\u7684\u6570\u636e\u7c7b\u578b\u76f8\u5339\u914d\u3002<\/span><\/span>\"\"<\/p>\n

            \u5982\u679c\u5e38\u6570\u4e0d\u80fd\u4fdd\u8bc1\u5728\u4e0d\u4e22\u5931\u6570\u636e\u7684\u60c5\u51b5\u4e0b\u8f6c\u6362\u4e3a\u76ee\u6807\u7c7b\u578b，\u7cfb\u7edf\u5c06<\/span>\u53d1\u51fa\u4e00\u4e2a\u51fa\u9519\u4fe1\u606f\u3002\u7c7b\u578b\u7b26<\/span>\u53ef\u7528\u4e8e\u4e00\u822c\u5e38\u6570\u3002<\/span><\/span><\/p>\n<\/li>\n

            \u4e09\u3001\u5b9e\u7528\u6280\u5de7：\u7c7b\u578b\u7b26\u7684\u7075\u6d3b\u4f7f\u7528<\/p>\n

            \u53ef\u901a\u8fc7\u7c7b\u578b\u7b26\u524d\u7f00\u6307\u5b9a\u5e38\u6570\u6570\u636e\u7c7b\u578b（\u5982REAL#4.94\u3001BYTE#255），\u65e0\u9700\u663e\u5f0f\u58f0\u660e；\u82e5\u5e38\u6570\u65e0\u6cd5\u65e0\u635f\u8f6c\u6362\u4e3a\u76ee\u6807\u7c7b\u578b，\u7cfb\u7edf\u5c06\u89e6\u53d1\u9519\u8bef\u63d0\u793a，\u6709\u6548\u907f\u514d\u6570\u636e\u4e22\u5931\u3002<\/p>\n

            \u6587\u672b\u5c0f\u7ed3<\/p>\n

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