{"id":6828,"date":"2026-02-10T13:26:01","date_gmt":"2026-02-10T05:26:01","guid":{"rendered":"https:\/\/nullthought.net\/?p=6828"},"modified":"2026-02-10T13:40:46","modified_gmt":"2026-02-10T05:40:46","slug":"%e5%b8%b8%e8%a7%81%e7%9a%84%e5%9b%9b%e7%a7%8d-plc-%e7%bc%96%e7%a8%8b%e8%af%ad%e8%a8%80-%e8%a1%a8%e7%a4%ba%e6%b3%95","status":"publish","type":"post","link":"https:\/\/nullthought.net\/?p=6828","title":{"rendered":"\u5e38\u89c1\u7684\u4e94\u79cd PLC \u7f16\u7a0b\u8bed\u8a00\/\u8868\u793a\u6cd5"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"319\" height=\"295\" src=\"https:\/\/nullthought.net\/wp-content\/uploads\/2026\/02\/PLC-languages-1.png\" alt=\"\" class=\"wp-image-6831\" srcset=\"https:\/\/nullthought.net\/wp-content\/uploads\/2026\/02\/PLC-languages-1.png 319w, https:\/\/nullthought.net\/wp-content\/uploads\/2026\/02\/PLC-languages-1-300x277.png 300w\" sizes=\"auto, (max-width: 319px) 100vw, 319px\" \/><figcaption class=\"wp-element-caption\">\u4e0a\u56fe\u4e2d5\u4e2a\u9009\u9879\u5bf9\u5e94 <strong>IEC 61131-3<\/strong> \u91cc\u6700\u5e38\u89c1\u7684 PLC \u7f16\u7a0b\u8bed\u8a00\/\u8868\u793a\u6cd5\u3002\u5b83\u4eec\u672c\u8d28\u4e0a\u662f\u5728\u7528\u4e0d\u540c\u201c\u8bed\u6cd5\u5916\u58f3\u201d\u8868\u8fbe\u540c\u4e00\u4ef6\u4e8b\uff1a<strong>\u628a\u8f93\u5165\u4fe1\u53f7\u6309\u903b\u8f91\/\u65f6\u5e8f\/\u7b97\u672f\u5904\u7406\uff0c\u9a71\u52a8\u8f93\u51fa<\/strong>\u3002\u5728 OpenPLC \/ \u8bb8\u591a PLC IDE \u91cc\uff0c\u53ef\u4ee5\u6309\u4efb\u52a1\u590d\u6742\u5ea6\u4e0e\u56e2\u961f\u4e60\u60ef\u9009\u7528<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">1) LD\uff08Ladder Diagram\uff0c\u68af\u5f62\u56fe\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u601d\u7ef4\u6a21\u578b\uff1a\u7ee7\u7535\u5668\/\u7535\u6c14\u63a7\u5236\u56de\u8def<\/strong>\uff08\u201c\u4e00\u6761\u4e00\u6761\u6a2a\u6863 rungs\u201d\uff09<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u957f\u4ec0\u4e48\u6837<\/strong>\uff1a\u5de6\u6bcd\u7ebf\u2192\u53f3\u6bcd\u7ebf\uff0c\u4e2d\u95f4\u662f\u89e6\u70b9\uff08\u5e38\u5f00\/\u5e38\u95ed\uff09\u3001\u7ebf\u5708\u3001\u5b9a\u65f6\u5668\u3001\u8ba1\u6570\u5668\u7b49\uff1b\u50cf\u7535\u6c14\u539f\u7406\u56fe\u3002<\/li>\n\n\n\n<li><strong>\u9002\u5408\u573a\u666f<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u79bb\u6563\u91cf\u903b\u8f91\uff1a\u542f\u505c\u3001\u4e92\u9501\u3001\u8054\u9501\u3001\u5b89\u5168\u56de\u8def\u3001\u6545\u969c\u590d\u4f4d<\/li>\n\n\n\n<li>\u73b0\u573a\u7ef4\u62a4\u4eba\u5458\u5feb\u901f\u6392\u67e5\uff1a\u770b\u201c\u54ea\u4e00\u6863\u6ca1\u6210\u7acb\u201d\u3001\u54ea\u4e2a\u89e6\u70b9\u65ad\u4e86<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4f18\u70b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u53ef\u8bfb\u6027\u5f3a\uff08\u5bf9\u7535\u6c14\/\u81ea\u52a8\u5316\u7ef4\u62a4\u4eba\u5458\u5c24\u5176\u53cb\u597d\uff09<\/li>\n\n\n\n<li>\u5728\u7ebf\u76d1\u89c6\u5f88\u76f4\u89c2\uff1a\u89e6\u70b9\u4eae\/\u706d\u3001\u7ebf\u5708\u5f97\u7535\u4e0e\u5426<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7f3a\u70b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u590d\u6742\u7b97\u6cd5\/\u5927\u91cf\u6570\u5b66\u8fd0\u7b97\/\u6570\u7ec4\u5faa\u73af\u5199\u8d77\u6765\u522b\u626d<\/li>\n\n\n\n<li>\u903b\u8f91\u89c4\u6a21\u5f88\u5927\u65f6\uff0c\u56fe\u4f1a\u201c\u62c9\u5f97\u5f88\u957f\u201d\uff0c\u7ed3\u6784\u7ba1\u7406\u8981\u9760\u826f\u597d\u5206\u5757\u4e0e\u6ce8\u91ca<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u53e5\u8bdd<\/strong>\uff1a\u6700\u50cf\u201c\u786c\u63a5\u7ebf\u7ee7\u7535\u5668\u903b\u8f91\u201d\u7684 PLC \u8868\u8fbe\u65b9\u5f0f\uff0c\u79bb\u6563\u63a7\u5236\u738b\u8005\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2) FBD\uff08Functional Block Diagram\uff0c\u529f\u80fd\u5757\u56fe\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u601d\u7ef4\u6a21\u578b\uff1a\u4fe1\u53f7\u6d41\/\u6570\u636e\u6d41\u56fe<\/strong>\uff08\u628a\u529f\u80fd\u5f53\u201c\u79ef\u6728\u5757\u201d\uff0c\u7528\u8fde\u7ebf\u4f20\u9012\u4fe1\u53f7\uff09<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u957f\u4ec0\u4e48\u6837<\/strong>\uff1a\u5404\u79cd\u529f\u80fd\u5757\uff08AND\/OR\u3001\u6bd4\u8f83\u5668\u3001\u52a0\u51cf\u4e58\u9664\u3001\u6ee4\u6ce2\u3001PID\u3001\u9650\u5e45\u3001\u9009\u62e9\u5668\u3001\u89e6\u53d1\u5668\u7b49\uff09\u7528\u7ebf\u8fde\u63a5\uff0c\u50cf\u642d\u7535\u8def\/\u642d\u4fe1\u53f7\u5904\u7406\u94fe\u3002<\/li>\n\n\n\n<li><strong>\u9002\u5408\u573a\u666f<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u8fde\u7eed\u91cf\/\u6a21\u62df\u91cf\u63a7\u5236\uff1a\u8c03\u8282\u9600\u3001\u6e29\u5ea6\/\u538b\u529b\/\u6d41\u91cf\u56de\u8def\u3001PID\u3001\u524d\u9988\/\u4e32\u7ea7<\/li>\n\n\n\n<li>\u8fc7\u7a0b\u63a7\u5236\u903b\u8f91\uff1a\u4fe1\u53f7\u6574\u5f62\u3001\u903b\u8f91\u4e0e\u6a21\u62df\u6df7\u5408\u3001\u6a21\u5757\u5316\u590d\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4f18\u70b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5f88\u9002\u5408\u8868\u8fbe\u63a7\u5236\u56de\u8def\u7ed3\u6784\uff08PID \u5468\u8fb9\u3001\u9650\u5e45\u3001\u9009\u62e9\u3001\u5207\u6362\u3001\u624b\u81ea\u52a8\uff09<\/li>\n\n\n\n<li>\u6a21\u5757\u5316\u5f3a\uff1a\u628a\u4e00\u4e2a\u529f\u80fd\u5c01\u6210 FB\uff08Function Block\uff09\u5230\u5904\u590d\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7f3a\u70b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u590d\u6742\u65f6\u8fde\u7ebf\u4f1a\u5f88\u201c\u4e71\u201d\uff0c\u9700\u8981\u826f\u597d\u5e03\u5c40\/\u547d\u540d\/\u5c42\u6b21\u5316<\/li>\n\n\n\n<li>\u5199\u72b6\u6001\u673a\/\u590d\u6742\u6d41\u7a0b\uff08\u7279\u522b\u662f\u5927\u91cf\u5206\u652f\u3001\u5faa\u73af\uff09\u4e0d\u5982 ST \u76f4\u89c2<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u53e5\u8bdd<\/strong>\uff1a\u66f4\u50cf\u201c\u4fe1\u53f7\u5904\u7406\u4e0e\u63a7\u5236\u56de\u8def\u642d\u5efa\u201d\uff0c\u8fc7\u7a0b\u5de5\u4e1a\/\u8c03\u8282\u56de\u8def\u7279\u522b\u5e38\u7528\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3) ST\uff08Structured Text\uff0c\u7ed3\u6784\u5316\u6587\u672c\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u601d\u7ef4\u6a21\u578b\uff1a\u9ad8\u7ea7\u8bed\u8a00\uff08\u7c7b\u4f3c Pascal\/C \u7684\u63a7\u5236\u8bed\u8a00\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u957f\u4ec0\u4e48\u6837<\/strong>\uff1a<code>IF\/THEN\/ELSE<\/code>\u3001<code>CASE<\/code>\u3001<code>FOR\/WHILE<\/code>\u3001\u51fd\u6570\u8c03\u7528\u3001\u6570\u7ec4\/\u7ed3\u6784\u4f53\uff0c\u6587\u672c\u5f62\u5f0f\u3002<\/li>\n\n\n\n<li><strong>\u9002\u5408\u573a\u666f<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u590d\u6742\u7b97\u6cd5\uff1a\u6570\u5b66\u8ba1\u7b97\u3001\u6ee4\u6ce2\u3001\u6a21\u578b\/\u62df\u5408\u3001\u6570\u636e\u5904\u7406<\/li>\n\n\n\n<li>\u72b6\u6001\u673a\uff1a\u591a\u5de5\u51b5\u5207\u6362\u3001\u987a\u5e8f\u903b\u8f91\uff08\u4e5f\u53ef\u7528 SFC\uff0c\u4f46\u4f60\u56fe\u91cc\u6ca1\u5217\uff09<\/li>\n\n\n\n<li>\u9700\u8981\u7248\u672c\u7ba1\u7406\/\u4ee3\u7801\u590d\u5ba1\uff1agit diff \u66f4\u53cb\u597d<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4f18\u70b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u8868\u8fbe\u80fd\u529b\u5f3a\uff1a\u5faa\u73af\u3001\u51fd\u6570\u5c01\u88c5\u3001\u6570\u636e\u7ed3\u6784\u66f4\u81ea\u7136<\/li>\n\n\n\n<li>\u5927\u5de5\u7a0b\u53ef\u7ef4\u62a4\u6027\u901a\u5e38\u66f4\u597d\uff08\u914d\u5408\u826f\u597d\u6a21\u5757\u5316\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7f3a\u70b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e60\u60ef\u770b\u56fe\u7684\u73b0\u573a\u4eba\u5458\u4e0d\u5982 LD\/FBD \u76f4\u89c2<\/li>\n\n\n\n<li>\u5728\u7ebf\u76d1\u89c6\u9700\u8981 IDE \u652f\u6301\u53d8\u91cf\u89c2\u5bdf\u4e0e\u8ddf\u8e2a\uff0c\u6ca1\u201c\u89e6\u70b9\u4eae\u706f\u201d\u90a3\u4e48\u4e00\u773c\u660e\u767d<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u53e5\u8bdd<\/strong>\uff1a\u6700\u50cf\u201c\u5199\u7a0b\u5e8f\u201d\u7684 PLC \u8bed\u8a00\uff0c\u9002\u5408\u590d\u6742\u903b\u8f91\u4e0e\u5de5\u7a0b\u5316\u5f00\u53d1\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4) IL\uff08Instruction List\uff0c\u6307\u4ee4\u8868\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u601d\u7ef4\u6a21\u578b\uff1a\u7c7b\u4f3c\u6c47\u7f16\/\u6808\u5f0f\u6307\u4ee4\u5e8f\u5217<\/strong>\uff08\u4e00\u884c\u4e00\u6761\u6307\u4ee4\uff09<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u957f\u4ec0\u4e48\u6837<\/strong>\uff1a<code>LD<\/code>\uff08\u88c5\u8f7d\uff09\u3001<code>AND<\/code>\u3001<code>OR<\/code>\u3001<code>ST<\/code>\uff08\u5b58\u50a8\uff09\u3001<code>JMP<\/code> \u7b49\uff0c\u7d27\u51d1\u4f46\u504f\u5e95\u5c42\u3002<\/li>\n\n\n\n<li><strong>\u9002\u5408\u573a\u666f<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u65e9\u671f\/\u5386\u53f2\u9879\u76ee\u7ef4\u62a4\uff08\u5f88\u591a\u8001 PLC\/\u8001\u5de5\u7a0b\u8fd8\u5728\u7528\uff09<\/li>\n\n\n\n<li>\u8d44\u6e90\u53d7\u9650\u6216\u5382\u5546\u9057\u7559\u751f\u6001\uff08\u8d8a\u6765\u8d8a\u5c11\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4f18\u70b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u4ee3\u7801\u77ed\u3001\u6267\u884c\u8def\u5f84\u6e05\u6670\uff08\u5bf9\u719f\u7ec3\u8005\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7f3a\u70b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u53ef\u8bfb\u6027\u5dee\uff0c\u5de5\u7a0b\u534f\u4f5c\u4e0d\u53cb\u597d<\/li>\n\n\n\n<li>\u73b0\u4ee3\u6807\u51c6\u4e0e\u5382\u5546\u8d8b\u52bf\u91cc\u9010\u6b65\u5f31\u5316\uff08\u5f88\u591a\u5e73\u53f0\u63a8\u8350\u7528 ST \u4ee3\u66ff\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u53e5\u8bdd<\/strong>\uff1aPLC \u7684\u201c\u8001\u5f0f\u6c47\u7f16\u98ce\u683c\u201d\uff0c\u73b0\u5728\u66f4\u591a\u662f\u517c\u5bb9\/\u7ef4\u62a4\u4ef7\u503c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">5) SFC\uff08Sequential Function Chart\uff0c\u987a\u5e8f\u529f\u80fd\u56fe\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u601d\u7ef4\u6a21\u578b\uff1a<\/strong> \u6d41\u7a0b\/\u72b6\u6001\u673a\u56fe\uff08\u628a\u63a7\u5236\u8fc7\u7a0b\u62c6\u6210\u201c\u6b65\u9aa4 Step \u2192 \u8f6c\u6362 Transition \u2192 \u52a8\u4f5c Action\u201d\uff0c\u6309\u6761\u4ef6\u63a8\u8fdb\uff09<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u957f\u4ec0\u4e48\u6837\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Step\uff08\u6b65\u9aa4\uff09<\/strong>\uff1a\u77e9\u5f62\/\u53cc\u8fb9\u6846\u6846\uff0c\u8868\u793a\u5f53\u524d\u5904\u4e8e\u54ea\u4e2a\u5de5\u827a\u9636\u6bb5\uff08\u5f85\u673a\u3001\u542f\u52a8\u3001\u8fd0\u884c\u3001\u505c\u673a\u3001\u6545\u969c\u7b49\uff09<\/li>\n\n\n\n<li><strong>Transition\uff08\u8f6c\u6362\uff09<\/strong>\uff1a\u6a2a\u7ebf+\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u8868\u793a\u201c\u6ee1\u8db3\u4ec0\u4e48\u6761\u4ef6\u624d\u4ece\u5f53\u524d\u6b65\u8df3\u5230\u4e0b\u4e00\u6b65\u201d<\/li>\n\n\n\n<li><strong>Action\uff08\u52a8\u4f5c\uff09<\/strong>\uff1a\u9644\u7740\u5728 Step \u4e0a\u7684\u52a8\u4f5c\u5217\u8868\uff08\u7f6e\u4f4d\u8f93\u51fa\u3001\u8c03\u7528\u529f\u80fd\u5757\u3001\u6267\u884c\u4e00\u6bb5 ST\/LD\/FBD \u903b\u8f91\u7b49\uff09<\/li>\n\n\n\n<li><strong>\u5206\u652f\/\u5e76\u884c<\/strong>\uff1a\u652f\u6301\u9009\u62e9\u5206\u652f\uff08OR \u5206\u652f\uff09\u4e0e\u5e76\u884c\u5206\u652f\uff08AND \u5206\u652f\uff09\uff0c\u9002\u5408\u591a\u652f\u8def\u540c\u6b65\u6d41\u7a0b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9002\u5408\u573a\u666f<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u987a\u5e8f\u63a7\u5236\/\u5de5\u827a\u6d41\u7a0b<\/strong>\uff1a\u8bbe\u5907\u542f\u52a8\u5e8f\u5217\u3001\u9600\u95e8\u5f00\u95ed\u987a\u5e8f\u3001\u4ea7\u7ebf\u8282\u62cd\u6d41\u7a0b\u3001\u6e05\u6d17\/\u5439\u626b\/\u7f6e\u6362\u7b49\u6279\u5904\u7406\u6d41\u7a0b<\/li>\n\n\n\n<li><strong>\u72b6\u6001\u673a\u63a7\u5236<\/strong>\uff1a\u591a\u5de5\u51b5\u5207\u6362\uff08\u624b\/\u81ea\u3001\u8fd0\u884c\/\u5f85\u673a\/\u6545\u969c\uff09\u3001\u6545\u969c\u5904\u7406\u4e0e\u590d\u4f4d\u8def\u5f84<\/li>\n\n\n\n<li><strong>\u9700\u8981\u53ef\u89c6\u5316\u5ba1\u67e5\u4e0e\u8c03\u8bd5\u7684\u6d41\u7a0b<\/strong>\uff1a\u73b0\u573a\u4e00\u773c\u770b\u51fa\u201c\u5361\u5728\u54ea\u4e00\u6b65\u3001\u4e0b\u4e00\u6b65\u6761\u4ef6\u662f\u4ec0\u4e48\u201d<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4f18\u70b9<\/strong>\n<ul 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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