{"id":26220,"date":"2023-09-09T22:43:54","date_gmt":"2023-09-09T14:43:54","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=26220"},"modified":"2023-09-09T22:43:58","modified_gmt":"2023-09-09T14:43:58","slug":"xyhmxydqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/26220.html","title":{"rendered":"485\u534f\u8bae\u548cModbus\u534f\u8bae\u7684\u533a\u522b?"},"content":{"rendered":"\n

\u3000\u3000\u5728\u73b0\u4ee3\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\uff0c\u901a\u4fe1\u534f\u8bae\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002485\u534f\u8bae\u548cModbus\u534f\u8bae\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u5de5\u4e1a\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u6709\u7740\u5404\u81ea\u7684\u7279\u70b9\u548c\u4f18\u52bf\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdRS485\u534f\u8bae\u548cModbus\u534f\u8bae\u7684\u533a\u522b<\/strong>\uff0c\u5e76\u5206\u6790\u5b83\u4eec\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001RS485\u534f\u8bae\u6982\u8ff0<\/h2>\n\n\n\n

\u3000\u3000485\u534f\u8bae\uff0c\u4e5f\u79f0\u4e3aRS485\u534f\u8bae\uff0c\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5e38\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u3002\u5b83\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\uff0c\u5728\u957f\u8ddd\u79bb\u901a\u4fe1\u4e2d\u5177\u6709\u826f\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/strong>485\u534f\u8bae\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u5b9e\u73b0\u70b9\u5bf9\u70b9\u6216\u8005\u591a\u70b9\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001Modbus\u534f\u8bae\u6982\u8ff0<\/h2>\n\n\n\n

\u3000\u3000Modbus\u534f\u8bae\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u6700\u521d\u7531Modicon\u516c\u53f8\u5f00\u53d1\uff0c\u73b0\u5df2\u6210\u4e3a\u5de5\u4e1a\u9886\u57df\u4e2d\u6700\u5e38\u7528\u7684\u901a\u4fe1\u534f\u8bae\u4e4b\u4e00\u3002Modbus\u534f\u8bae\u7b80\u5355\u6613\u61c2\uff0c\u6613\u4e8e\u5b9e\u73b0\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u4e2d\u3002<\/strong>\u5b83\u652f\u6301\u70b9\u5bf9\u70b9\u548c\u591a\u70b9\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u5382\u5546\u7684\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n

\"\u6570\u636e\u53ef\u89c6\u5316\u754c\u9762\"<\/figure>\n\n\n\n

\u3000\u3000\u4e09\u3001\u533a\u522b\u5bf9\u6bd4<\/h2>\n\n\n\n

\u3000\u30001. \u901a\u4fe1\u65b9\u5f0f\uff1a<\/h3>\n\n\n\n
    \n
  • \u3000\u3000485\u534f\u8bae\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\uff0c\u5177\u6709\u826f\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u9002\u5408\u957f\u8ddd\u79bb\u901a\u4fe1\u3002<\/li>\n\n\n\n
  • \u3000\u3000Modbus\u534f\u8bae\u91c7\u7528\u4e32\u884c\u901a\u4fe1\u65b9\u5f0f\uff0c\u901a\u4fe1\u8ddd\u79bb\u8f83\u77ed\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u30002. \u901a\u4fe1\u901f\u7387\uff1a<\/h3>\n\n\n\n
      \n
    • \u3000\u3000485\u534f\u8bae\u652f\u6301\u591a\u79cd\u901a\u4fe1\u901f\u7387\uff0c\u6700\u9ad8\u53ef\u8fbe10Mbps\u3002<\/li>\n\n\n\n
    • \u3000\u3000Modbus\u534f\u8bae\u901a\u4fe1\u901f\u7387\u8f83\u4f4e\uff0c\u901a\u5e38\u57289600bps\u5230115200bps\u4e4b\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u30003. \u6570\u636e\u4f20\u8f93\uff1a<\/h3>\n\n\n\n
        \n
      • \u3000\u3000485\u534f\u8bae\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u591a\u4e2a\u8bbe\u5907\u7684\u6570\u636e\uff0c\u652f\u6301\u591a\u70b9\u901a\u4fe1\u3002<\/li>\n\n\n\n
      • \u3000\u3000Modbus\u534f\u8bae\u4e00\u6b21\u53ea\u80fd\u4f20\u8f93\u4e00\u4e2a\u8bbe\u5907\u7684\u6570\u636e\uff0c\u652f\u6301\u70b9\u5bf9\u70b9\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u30004. \u6570\u636e\u5e27\u7ed3\u6784\uff1a<\/h3>\n\n\n\n
          \n
        • \u3000\u3000485\u534f\u8bae\u7684\u6570\u636e\u5e27\u7ed3\u6784\u590d\u6742\uff0c\u5305\u62ec\u8d77\u59cb\u4f4d\u3001\u6570\u636e\u4f4d\u3001\u6821\u9a8c\u4f4d\u548c\u505c\u6b62\u4f4d\u7b49\u3002<\/li>\n\n\n\n
        • \u3000\u3000Modbus\u534f\u8bae\u7684\u6570\u636e\u5e27\u7ed3\u6784\u7b80\u5355\uff0c\u5305\u62ec\u5730\u5740\u4f4d\u3001\u529f\u80fd\u7801\u3001\u6570\u636e\u548c\u6821\u9a8c\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n

          \u3000\u30005. \u5e94\u7528\u9886\u57df\uff1a<\/h3>\n\n\n\n
            \n
          • \u3000\u3000485\u534f\u8bae\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u697c\u5b87\u81ea\u63a7\u7cfb\u7edf\u7b49\u573a\u666f\u3002<\/li>\n\n\n\n
          • \u3000\u3000Modbus\u534f\u8bae\u4e3b\u8981\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u80fd\u6e90\u7ba1\u7406\u7cfb\u7edf\u7b49\u9886\u57df\u3002<\/li>\n<\/ul>\n\n\n\n

            \u3000\u3000\u56db\u3001\u5e94\u7528\u573a\u666f\u5206\u6790<\/h2>\n\n\n\n

            \u3000\u30001. 485\u534f\u8bae\u5e94\u7528\u573a\u666f\uff1a<\/h3>\n\n\n\n

            \u3000\u3000485\u534f\u8bae\u9002\u7528\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u901a\u4fe1\u548c\u591a\u70b9\u901a\u4fe1\u7684\u573a\u666f\uff0c\u5982\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u697c\u5b87\u81ea\u63a7\u7cfb\u7edf\u3001\u667a\u80fd\u7535\u7f51\u7b49\u3002\u7531\u4e8e\u5176\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u53ef\u9760\u6027\u9ad8\uff0c485\u534f\u8bae\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n

            \u3000\u30002. Modbus\u534f\u8bae\u5e94\u7528\u573a\u666f\uff1a<\/h3>\n\n\n\n

            \u3000\u3000Modbus\u534f\u8bae\u9002\u7528\u4e8e\u70b9\u5bf9\u70b9\u901a\u4fe1\u7684\u573a\u666f\uff0c\u5982\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u80fd\u6e90\u7ba1\u7406\u7cfb\u7edf\u3001\u73af\u5883\u76d1\u6d4b\u7cfb\u7edf\u7b49\u3002\u7531\u4e8e\u5176\u7b80\u5355\u6613\u61c2\u3001\u6613\u4e8e\u5b9e\u73b0\uff0cModbus\u534f\u8bae\u5728\u5de5\u4e1a\u9886\u57df\u4e2d\u88ab\u5e7f\u6cdb\u91c7\u7528\u3002<\/p>\n\n\n\n

            \u3000\u3000\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n

            \u3000\u3000485\u534f\u8bae\u548cModbus\u534f\u8bae\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u5de5\u4e1a\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u901a\u4fe1\u65b9\u5f0f\u3001\u901a\u4fe1\u901f\u7387\u3001\u6570\u636e\u4f20\u8f93\u3001\u6570\u636e\u5e27\u7ed3\u6784\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u7b49\u65b9\u9762\u5b58\u5728\u4e00\u5b9a\u7684\u533a\u522b\u3002<\/strong>485\u534f\u8bae\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u901a\u4fe1\u548c\u591a\u70b9\u901a\u4fe1\u7684\u573a\u666f\uff0c\u800cModbus\u534f\u8bae\u9002\u7528\u4e8e\u70b9\u5bf9\u70b9\u901a\u4fe1\u7684\u573a\u666f\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u4ee5\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

            485\u534f\u8bae\u548cModbus\u534f\u8bae\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u5de5\u4e1a\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u901a\u4fe1\u65b9\u5f0f\u3001\u901a\u4fe1\u901f\u7387\u3001\u6570\u636e\u4f20\u8f93\u3001\u6570\u636e\u5e27\u7ed3\u6784\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u7b49\u65b9\u9762\u5b58\u5728\u4e00\u5b9a\u7684\u533a\u522b\u3002<\/p>\n","protected":false},"author":1,"featured_media":25922,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[78,61],"class_list":["post-26220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-m-3","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/26220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=26220"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/26220\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/25922"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=26220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=26220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=26220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}