{"id":27709,"date":"2024-04-21T22:08:11","date_gmt":"2024-04-21T14:08:11","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=27709"},"modified":"2024-04-21T22:09:14","modified_gmt":"2024-04-21T14:09:14","slug":"yong-c-yu-yan-chuang-jian-zhi-chi-duo-zhong-mo-shi-de-modbus-fu-wu-qi","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/27709.html","title":{"rendered":"\u7528C\u8bed\u8a00\u521b\u5efa\u652f\u6301\u591a\u79cd\u6a21\u5f0f\u7684Modbus\u670d\u52a1\u5668"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0cModbus \u534f\u8bae\u5e7f\u6cdb\u7528\u4e8e\u8bbe\u5907\u95f4\u7684\u901a\u4fe1\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528 C \u8bed\u8a00\u548c libmodbus \u5e93\u6765\u5b9e\u73b0\u4e00\u4e2a\u652f\u6301 TCP \u548c RTU \u4e24\u79cd\u6a21\u5f0f\u7684 Modbus \u670d\u52a1\u5668\u3002\u8fd9\u79cd\u670d\u52a1\u5668\u80fd\u591f\u5904\u7406\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u6570\u636e\u8bf7\u6c42\uff0c\u5e76\u6839\u636e\u8fd9\u4e9b\u8bf7\u6c42\u8fd4\u56de\u76f8\u5e94\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Modbus \u534f\u8bae\u7b80\u4ecb<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus \u662f\u4e00\u4e2a\u5e94\u7528\u5c42\u534f\u8bae\uff0c\u7531 Modicon \u516c\u53f8\uff08\u73b0\u4e3a\u65bd\u8010\u5fb7\u7535\u6c14\u7684\u4e00\u90e8\u5206\uff09\u5728 1979 \u5e74\u4e3a\u4f7f\u7528\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\uff08PLC\uff09\u8fdb\u884c\u901a\u4fe1\u800c\u5f00\u53d1\u3002\u5b83\u5df2\u6210\u4e3a\u5de5\u4e1a\u9886\u57df\u5185\u4e00\u4e2a\u4e8b\u5b9e\u4e0a\u7684\u6807\u51c6\uff0c\u5e76\u4e14\u5e7f\u6cdb\u7528\u4e8e\u591a\u79cd\u901a\u4fe1\u8bbe\u5907\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002Modbus \u534f\u8bae\u652f\u6301\u591a\u79cd\u901a\u4fe1\u7c7b\u578b\uff0c\u672c\u4f8b\u4e2d\u5c06\u6db5\u76d6 TCP \u548c RTU \u4e24\u79cd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n\n\n<div class=\"wp-block-wpcom-premium-content\"><div class=\"hidden-content-wrap premium-content-wrap\" id=\"25f3a03d-4b84-4c22-bfe7-b7263fadfaad\">\n    <svg class=\"hidden-content-bg\" width=\"879\" height=\"205\" viewbox=\"0 45 820 160\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n        <defs>\n            <lineargradient x1=\"100%\" y1=\"23.013%\" x2=\"9.11%\" y2=\"68.305%\" id=\"la\"><stop stop-color=\"var(--member-color, var(--theme-color))\" stop-opacity=\".01\" offset=\".533%\"\/><stop stop-color=\"var(--member-color, var(--theme-color))\" stop-opacity=\".15\" offset=\"100%\"\/><\/lineargradient>\n            <lineargradient x1=\"81.006%\" y1=\"27.662%\" x2=\".899%\" y2=\"69.383%\" id=\"lb\"><stop stop-color=\"var(--member-color, var(--theme-color))\" stop-opacity=\".15\" offset=\"0%\"\/><stop stop-color=\"var(--member-color, var(--theme-color))\" stop-opacity=\".01\" offset=\"100%\"\/><\/lineargradient>\n        <\/defs>\n        <g fill=\"none\" fill-rule=\"evenodd\"><path d=\"M9.871 124.063c7.9 9.12 28.19 21.598 46.66 5.41 19.19-16.818 27.986-42.87 15.531-51.971-12.454-9.102-37.594-6.819-59.32 1.62-21.727 8.44-10.77 35.822-2.87 44.941z\" fill=\"url(#la)\" transform=\"translate(67.938 .937)\"\/><path d=\"M610.783 44.063c-25.145 39.42-47.054 78.134-30.12 105.532 16.932 27.398 74.377 30.672 171.4 6.468 97.021-24.203 52.5-112.016 17.794-141.793-34.705-29.777-133.929-9.626-159.074 29.793z\" fill=\"url(#lb)\" transform=\"translate(67.938 .937)\"\/><path fill-opacity=\".06\" fill=\"var(--member-color, var(--theme-color))\" d=\"M325.477 101.51l-11.132 16.084-1.86-1.118L323.96 100.2z\"\/><path fill-opacity=\".06\" fill=\"var(--member-color, var(--theme-color))\" d=\"M363.904 94.28l-1.494 1.24 8.566 10.255 1.487-1.383z\"\/><path fill-opacity=\".06\" fill=\"var(--member-color, var(--theme-color))\" d=\"M215.386 150.719v.88l14.355 2.179v-.821z\"\/><path 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hidden-content-btn premium-content-btn\" type=\"button\">\n                    \u4ed8\u8d39\u89e3\u9501                    <span class=\"premium-content-price\"><span>\u00a5<\/span>2.99<\/span>\n                <\/button>\n                            <div class=\"premium-content-vip\">\n                                            <button class=\"wpcom-btn btn-danger hidden-content-btn premium-content-vip-btn j-vip-new\" type=\"button\"><i class=\"wpcom-icon wi\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-vip-crown\"><\/use><\/svg><\/i>\u7acb\u5373\u89e3\u9501\u7279\u6743<\/button>\n                                        <div class=\"vip-price-notice premium-content-vip-price\">\n                        <div class=\"vip-price-item\" vip-index=\"0\" vip-id=\"vip1\"><img decoding=\"async\" class=\"vip-flag-icon j-lazy no-lightbox\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230818114436591.svg\" loading=\"lazy\" title=\"\u7528C\u8bed\u8a00\u521b\u5efa\u652f\u6301\u591a\u79cd\u6a21\u5f0f\u7684Modbus\u670d\u52a1\u5668\u63d2\u56fe\" alt=\"\u7528C\u8bed\u8a00\u521b\u5efa\u652f\u6301\u591a\u79cd\u6a21\u5f0f\u7684Modbus\u670d\u52a1\u5668\u63d2\u56fe\" \/>\u661f\u8000\u4f1a\u5458<span class=\"vip-price\"><span>\u00a5<\/span>2.39<\/span><\/div><div class=\"vip-price-item\" vip-index=\"1\" vip-id=\"vip2\"><img decoding=\"async\" class=\"vip-flag-icon j-lazy no-lightbox\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/08\/20230818114919315.svg\" loading=\"lazy\" title=\"\u7528C\u8bed\u8a00\u521b\u5efa\u652f\u6301\u591a\u79cd\u6a21\u5f0f\u7684Modbus\u670d\u52a1\u5668\u63d2\u56fe1\" alt=\"\u7528C\u8bed\u8a00\u521b\u5efa\u652f\u6301\u591a\u79cd\u6a21\u5f0f\u7684Modbus\u670d\u52a1\u5668\u63d2\u56fe1\" \/>\u7480\u74a8\u4f1a\u5458<span class=\"vip-price\"><span>\u00a5<\/span>1.79<\/span><\/div><div class=\"vip-price-item\" vip-index=\"2\" vip-id=\"vip3\">\u66dc\u94bb\u4f1a\u5458<span class=\"vip-price\">\u514d\u8d39<\/span><\/div>                    <\/div>\n                <\/div>\n                    <\/div>\n        <div class=\"premium-content-sales\"><i class=\"wpcom-icon wi\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-huo\"><\/use><\/svg><\/i>\u5df2\u6709<span>9<\/span>\u4eba\u89e3\u9501\u67e5\u770b        <\/div>                <div class=\"hidden-content-refresh\">\n            <i class=\"wpcom-icon wi refresh-help\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-help\"><\/use><\/svg><\/i>            <div class=\"refresh-action\">\n                <div class=\"refresh-action-inner\">\n                    \u5df2\u4ed8\u8d39\uff1f<a class=\"refresh-url\" href=\"https:\/\/www.modbus.cn\/en\/login?modal-type=login\">Login<i class=\"wpcom-icon wi\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-user\"><\/use><\/svg><\/i><\/a> \u6216 <a class=\"refresh-url j-refresh-premium-content\" href=\"#\">\u5237\u65b0<i class=\"wpcom-icon wi\"><svg aria-hidden=\"true\"><use xlink:href=\"#wi-refresh\"><\/use><\/svg><\/i><\/a>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u73af\u5883\u914d\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u9700\u8981\u5728\u7cfb\u7edf\u4e2d\u5b89\u88c5 libmodbus \u5e93\uff0c\u5b83\u662f\u4e00\u4e2a\u5f00\u6e90\u7684 C \u8bed\u8a00\u5e93\uff0c\u7528\u4e8e\u5b9e\u73b0 Modbus \u534f\u8bae\u3002\u8fd9\u4e2a\u5e93\u652f\u6301\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u548c\u786c\u4ef6\u5e73\u53f0\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u670d\u52a1\u5668\u7684\u57fa\u672c\u8bbe\u7f6e<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u670d\u52a1\u5668\u7a0b\u5e8f\u5f00\u59cb\u65f6\u9996\u5148\u4f1a\u89e3\u6790\u547d\u4ee4\u884c\u53c2\u6570\u6765\u786e\u5b9a\u662f\u4f7f\u7528 TCP \u8fd8\u662f RTU \u6a21\u5f0f\u3002\u57fa\u4e8e\u6240\u9009\u6a21\u5f0f\uff0c\u7a0b\u5e8f\u5c06\u521d\u59cb\u5316\u4e00\u4e2a\u5bf9\u5e94\u7684 Modbus \u4e0a\u4e0b\u6587\uff08<code>modbus_t<\/code>\uff09\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e TCP \u6a21\u5f0f\uff0c\u670d\u52a1\u5668\u4f1a\u76d1\u542c\u7279\u5b9a\u7684 IP \u5730\u5740\u548c\u7aef\u53e3\uff1b\u5bf9\u4e8e RTU \u6a21\u5f0f\uff0c\u670d\u52a1\u5668\u5219\u4f1a\u8bbe\u7f6e\u4e32\u884c\u901a\u4fe1\u7684\u53c2\u6570\uff0c\u5982\u6ce2\u7279\u7387\u548c\u5947\u5076\u6821\u9a8c\u7b49\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6570\u636e\u6620\u5c04\u548c\u76d1\u542c<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e0\u8bba\u54ea\u79cd\u6a21\u5f0f\uff0c\u670d\u52a1\u5668\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a <code>modbus_mapping_t<\/code> \u7ed3\u6784\uff0c\u8fd9\u4e2a\u7ed3\u6784\u7528\u4e8e\u5b58\u50a8\u548c\u7ba1\u7406\u4ece\u8bbe\u5907\u5730\u5740\u7a7a\u95f4\u7684\u6570\u636e\uff0c\u5305\u62ec\u8f93\u5165\u4f4d\u3001\u4fdd\u6301\u5bc4\u5b58\u5668\u7b49\u3002\u63a5\u7740\uff0c\u670d\u52a1\u5668\u8fdb\u5165\u4e3b\u5faa\u73af\uff0c\u7b49\u5f85\u5e76\u5904\u7406\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002\u5bf9\u4e8e TCP \u8fde\u63a5\uff0c\u670d\u52a1\u5668\u4f1a\u8c03\u7528 <code>modbus_tcp_accept<\/code> \u6765\u63a5\u53d7\u65b0\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8bf7\u6c42\u5904\u7406<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u670d\u52a1\u5668\u63a5\u6536\u5230\u4e00\u4e2a\u8bf7\u6c42\u65f6\uff0c\u5b83\u4f1a\u4f7f\u7528 <code>modbus_receive<\/code> \u51fd\u6570\u8bfb\u53d6\u8bf7\u6c42\u6570\u636e\uff0c\u5e76\u6839\u636e\u8bf7\u6c42\u7684\u7c7b\u578b\uff08\u5982\u8bfb\u53d6\u5bc4\u5b58\u5668\u6216\u5199\u5165\u5bc4\u5b58\u5668\uff09\u4f7f\u7528 <code>modbus_reply<\/code> \u51fd\u6570\u53d1\u9001\u54cd\u5e94\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6d89\u53ca\u5230\u5bf9 <code>mb_mapping<\/code> \u6570\u636e\u7ed3\u6784\u7684\u67e5\u8be2\u548c\u4fee\u6539\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5f02\u5e38\u5904\u7406\u548c\u8d44\u6e90\u7ba1\u7406<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6574\u4e2a\u901a\u4fe1\u8fc7\u7a0b\u4e2d\uff0c\u670d\u52a1\u5668\u9700\u8981\u59a5\u5584\u5904\u7406\u53ef\u80fd\u53d1\u751f\u7684\u5404\u79cd\u9519\u8bef\u60c5\u51b5\uff0c\u5982\u8fde\u63a5\u9519\u8bef\u3001\u6570\u636e\u4f20\u8f93\u9519\u8bef\u7b49\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u5728\u7a0b\u5e8f\u9000\u51fa\u524d\u91ca\u653e\u6240\u6709\u5df2\u5206\u914d\u7684\u8d44\u6e90\uff0c\u5305\u62ec Modbus \u4e0a\u4e0b\u6587\u548c\u6570\u636e\u6620\u5c04\u7ed3\u6784\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u7ed3\u675f\u8bed<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7 libmodbus \u5e93\uff0c\u6211\u4eec\u53ef\u4ee5\u76f8\u5bf9\u7b80\u5355\u5730\u5b9e\u73b0\u4e00\u4e2a\u529f\u80fd\u9f50\u5168\u7684 Modbus \u670d\u52a1\u5668\u3002\u8fd9\u4e0d\u4ec5\u6709\u52a9\u4e8e\u7406\u89e3 Modbus \u534f\u8bae\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u8fd8\u80fd\u591f\u63d0\u4f9b\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u5728\u5b9e\u9645\u7684\u5de5\u4e1a\u5e94\u7528\u4e2d\u8fdb\u884c\u8bbe\u5907\u901a\u4fe1\u548c\u6570\u636e\u7ba1\u7406\u3002\u8fd9\u79cd\u57fa\u4e8e\u6807\u51c6\u7684\u5b9e\u73b0\u65b9\u5f0f\u786e\u4fdd\u4e86\u826f\u597d\u7684\u517c\u5bb9\u6027\u548c\u53ef\u9760\u6027\uff0c\u662f\u8fde\u63a5\u73b0\u4ee3\u5de5\u4e1a\u8bbe\u5907\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0cModbus \u534f\u8bae\u5e7f\u6cdb\u7528\u4e8e\u8bbe\u5907\u95f4\u7684\u901a\u4fe1\u3002\u672c&#8230;<\/p>","protected":false},"author":1,"featured_media":27977,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[691],"tags":[646,695,241,237,1807],"class_list":["post-27709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-modbus-code-base","tag-c","tag-include","tag-rtu","tag-tcp","tag-1807"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/27709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=27709"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/27709\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/27977"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=27709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=27709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=27709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}