{"id":6512,"date":"2022-03-07T14:36:44","date_gmt":"2022-03-07T06:36:44","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=6512"},"modified":"2026-07-01T00:18:21","modified_gmt":"2026-06-30T16:18:21","slug":"modbus-he-rs485-de-guan-xi-shi-shen-me","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/6512.html","title":{"rendered":"Modbus\u548cRS485\u7684\u5173\u7cfb\u662f\u4ec0\u4e48?"},"content":{"rendered":"<h3 class=\"wp-block-heading\">RS-<strong>485<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">RS-485\u662f\u4e00\u4e2a\u7269\u7406\u63a5\u53e3\uff0c\u7b80\u5355\u6765\u8bf4\uff0c\u4e5f\u5c31\u662f\u786c\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u53ea\u9700\u8981\u4e24\u6839\u901a\u8baf\u7ebf\uff0c\u5373\u53ef\u4ee5\u5728\u4e24\u4e2a\u6216\u4e24\u4e2a\u4ee5\u4e0a\u7684\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u6570\u636e\u4f20\u8f93\u7684\u8fde\u63a5\uff0c\u662f\u534a\u53cc\u5de5\u7684\u901a\u8baf\u65b9\u5f0f\u3002\u5728\u67d0\u4e00\u4e2a\u65f6\u523b\uff0c\u4e00\u4e2a\u8bbe\u5907\u53ea\u80fd\u8fdb\u884c\u53d1\u9001\u6570\u636e\u6216\u63a5\u6536\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u786c\u4ef6\u901a\u8baf\u63a5\u53e3\u5efa\u7acb\u540e\uff0c\u5728\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u7684\u4eea\u8868\u4e4b\u95f4\u9700\u8981\u7ea6\u5b9a\u4e00\u4e2a\u6570\u636e\u534f\u8bae\uff0c\u4ee5\u4f7f\u63a5\u6536\u7aef\u80fd\u591f\u89e3\u6790\u6536\u5230\u7684\u6570\u636e\uff0c\u8fd9\u4fbf\u662f\u201c\u534f\u8bae\u201d\u7684\u6982\u5ff5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8baf\u534f\u8bae\u6709\u7edf\u4e00\u6807\u51c6\u7684\u534f\u8bae\u683c\u5f0f\uff0c\u5982\u201cModBus\u201d\u534f\u8bae\uff0c\u6807\u51c6\u7684\u534f\u8bae\u5185\u5bb9\u5168\u9762\uff0c\u5305\u542b\u7684\u5185\u5bb9\u5f88\u591a\uff0c\u4f46\u4e0d\u6613\u7406\u89e3\u3002\u7531\u6b64\uff0c\u90e8\u5206\u5382\u5546\u81ea\u5b9a\u4e49\u4e86\u4e00\u79cd\u534f\u8bae\uff0c\u7b80\u5355\u5b9e\u7528\uff0c\u8fd9\u4fbf\u662f\u201c\u81ea\u5b9a\u4e49\u534f\u8bae\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RS-485\u603b\u7ebf\u7531\u4e8e\u5176\u6210\u672c\u4f4e\u5ec9\uff0c\u8bbe\u8ba1\u7b80\u5355\u800c\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5927\u91cf\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u3001\u5b89\u9632\u76d1\u63a7\uff0c\u667a\u80fd\u4ea4\u901a\uff0c\u667a\u80fd\u697c\u5b87\uff0c\u673a\u623f\u76d1\u63a7\uff0c\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u5404\u4e2a\u9886\u57df\u3002RS-485\u603b\u7ebf\u6577\u8bbe\u7ebf\u8def\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u662f\u6709\u4e00\u4e9b\u76f8\u5e94\u7684\u4e8b\u9879\u5fc5\u987b\u6ce8\u610f\uff0c\u5426\u5219\u4f1a\u5bb9\u6613\u5bfc\u81f4\u901a\u4fe1\u5931\u8d25\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mo<strong>dbus<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus\u662f\u901a\u4fe1\u534f\u8bae\u7684\u5176\u4e2d\u4e00\u79cd\uff0c\u5c31\u50cf\u6c49\u8bed\u548c\u82f1\u8bed\u4e00\u6837\uff0c\u662f\u4e00\u79cd\u4ea4\u6d41\u7684\u8bed\u8a00\uff0c\u4e00\u79cd\u673a\u5668\u4e4b\u95f4\u4ea4\u6d41\u7684\u8bed\u8a00\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u4e48\u5728\u4ea4\u6d41\u4e4b\u524d\u80af\u5b9a\u8981\u6709\u6c9f\u901a\u7684\u6865\u6881\uff0c\u90a3\u5c31\u662f\u4f20\u8f93\u5a92\u4ecbRS-485\u6216RS-232\u7b49\u5176\u4ed6\u7535\u6c14\u89c4\u5219\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u4e00\u79cd\u534f\u8bae\u53ef\u4ee5\u7528\u4e0d\u540c\u7684\u4f20\u8f93\u5a92\u4ecb\u65b9\u5f0f\uff0c\u5982RS-485\u6216RS-232.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus\u534f\u8bae\u53c8\u5206Modbus RTU\uff0cModbus ASCII\u548c\u540e\u6765\u53d1\u5c55\u7684Modbus TCP\u4e09\u79cd\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\u524d\u4e24\u79cd\u6240\u7528\u7684\u7269\u7406\u786c\u4ef6\u63a5\u53e3\u90fd\u662f\u4e32\u884c(Serial)\u901a\u8baf\u53e3(RS-232\u3001RS-485\u3001RS-422)\u3002\u800cModbus TCP\u5219\u662f\u4e3a\u4e86\u987a\u5e94\u5f53\u4eca\u4e16\u754c\u7684\u53d1\u5c55\u6f6e\u6d41\uff0c\u90fd\u53ef\u4ee5\u7528Ethernet\u7f51\u6216Internet\u6765\u8fde\u63a5\uff0c\u4f20\u9001\u6570\u636e\u3002\u6240\u4ee5\u53c8\u53ebModbus TCP\u6a21\u5f0f\uff0c\u8be5\u6a21\u5f0f\u7684\u786c\u4ef6\u63a5\u53e3\u5c31\u662f\u4ee5\u592a\u7f51(Ethernet)\u53e3\u4e86\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u7535\u8111\u4e0a\u4e00\u822c\u7528\u7684\u7f51\u7edc\u53e3\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u8bf4\u5462\uff0cRS485\u662f\u786c\u4ef6\uff0cModbus\u662f\u901a\u8baf\u8bed\u8a00\uff0c\u5b83\u4eec\u53ef\u4ee5\u5408\u4f5c\u5b9e\u73b0\u56fd\u9645\u6807\u51c6\u534f\u8bae\u8fdb\u884c\u8bbe\u5907\u901a\u8baf\u3002<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>RS-485 RS-485\u662f\u4e00\u4e2a\u7269\u7406\u63a5\u53e3\uff0c\u7b80\u5355\u6765\u8bf4\uff0c\u4e5f\u5c31\u662f\u786c&#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":[1394],"tags":[240,564,281],"class_list":["post-6512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-modbus-protocol","tag-rs485","tag-281"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/6512","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=6512"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/6512\/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=6512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=6512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=6512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}