{"id":42626,"date":"2023-10-01T00:15:38","date_gmt":"2023-09-30T16:15:38","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=42626"},"modified":"2023-10-01T00:15:38","modified_gmt":"2023-09-30T16:15:38","slug":"rhmdqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/42626.html","title":{"rendered":"RS485\u548cMODBUS\u7684\u533a\u522b"},"content":{"rendered":"

  RS485\u548cMODBUS\u662f\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u7684\u4e24\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u8bb8\u591a\u65b9\u9762\u90fd\u6709\u6240\u4e0d\u540c\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8RS485\u548cMODBUS\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u4ee5\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u534f\u8bae\u3002<\/p>\n

RS485\u534f\u8bae<\/h2>\n

  RS485\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u6216\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u8bbe\u5907\uff0c\u5141\u8bb8\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002RS485\u53ef\u4ee5\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u4e2d\u4f7f\u7528\uff0c\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\uff0c\u5e76\u4e14\u5177\u6709\u975e\u5e38\u9ad8\u7684\u53ef\u9760\u6027\u548c\u7075\u6d3b\u6027\u3002<\/p>\n

  RS485\u7684\u4f18\u52bf<\/h3>\n

  RS485\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u5728\u8f83\u957f\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u6700\u957f\u53ef\u8fbe1200\u7c73\uff0c\u800c\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u8bbe\u5907\u540c\u65f6\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u6b64\u5916\uff0cRS485\u8fd8\u5177\u6709\u975e\u5e38\u9ad8\u7684\u53ef\u9760\u6027\u548c\u7075\u6d3b\u6027\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5927\u591a\u6570\u5de5\u4e1a\u81ea\u52a8\u5316\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n

  RS485\u7684\u7f3a\u70b9<\/h3>\n

  RS485\u7684\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u5904\u7406\u8f83\u4f4e\u901f\u7387\u7684\u6570\u636e\u4f20\u8f93\uff0c\u6700\u9ad8\u901f\u7387\u53ea\u67091 Mbps\uff0c\u56e0\u6b64\u65e0\u6cd5\u6ee1\u8db3\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u9700\u6c42\u3002\u6b64\u5916\uff0cRS485\u4e5f\u9700\u8981\u8f83\u590d\u6742\u7684\u786c\u4ef6\u8bbe\u5907\uff0c\u56e0\u6b64\u6210\u672c\u8f83\u9ad8\u3002<\/p>\n

MODBUS\u534f\u8bae<\/h2>\n

  MODBUS\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u6216\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe247\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u5982ASCII\u3001RTU\u548cTCP\/IP\u3002MODBUS\u53ef\u4ee5\u5728\u8f83\u77ed\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1000\u7c73\u3002<\/p>\n

  MODBUS\u7684\u4f18\u52bf<\/h3>\n

  MODBUS\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe247\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u5982ASCII\u3001RTU\u548cTCP\/IP\u3002\u6b64\u5916\uff0cMODBUS\u8fd8\u53ef\u4ee5\u652f\u6301\u8f83\u9ad8\u901f\u7387\u7684\u6570\u636e\u4f20\u8f93\uff0c\u6700\u9ad8\u901f\u7387\u53ef\u8fbe115.2Kbps\uff0c\u56e0\u6b64\u53ef\u4ee5\u6ee1\u8db3\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u9700\u6c42\u3002<\/p>\n

  MODBUS\u7684\u7f3a\u70b9<\/h3>\n

  MODBUS\u7684\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u5728\u8f83\u77ed\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ea\u67091000\u7c73\uff0c\u56e0\u6b64\u65e0\u6cd5\u6ee1\u8db3\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u9700\u6c42\u3002\u6b64\u5916\uff0cMODBUS\u4e5f\u9700\u8981\u8f83\u590d\u6742\u7684\u786c\u4ef6\u8bbe\u5907\uff0c\u56e0\u6b64\u6210\u672c\u8f83\u9ad8\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u7efc\u4e0a\u6240\u8ff0\uff0cRS485\u548cMODBUS\u662f\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u7684\u4e24\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u8bb8\u591a\u65b9\u9762\u90fd\u6709\u6240\u4e0d\u540c\u3002<\/strong>RS485\u53ef\u4ee5\u5728\u8f83\u957f\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u6700\u957f\u53ef\u8fbe1200\u7c73\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u8bbe\u5907\u540c\u65f6\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\uff0c\u4f46\u6700\u9ad8\u901f\u7387\u53ea\u67091 Mbps\uff0c\u65e0\u6cd5\u6ee1\u8db3\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u9700\u6c42\u3002MODBUS\u53ef\u4ee5\u652f\u6301\u591a\u8fbe247\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u5982ASCII\u3001RTU\u548cTCP\/IP\uff0c\u53ef\u4ee5\u652f\u6301\u8f83\u9ad8\u901f\u7387\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4f46\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ea\u67091000\u7c73\uff0c\u65e0\u6cd5\u6ee1\u8db3\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u548cMODBUS\u662f\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u7684\u4e24\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u8bb8\u591a\u65b9\u9762\u90fd\u6709\u6240\u4e0d\u540c\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8RS485\u548cMODBUS\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u4ee5\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u534f\u8bae\u3002<\/p>\n","protected":false},"author":1,"featured_media":4132,"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":[61],"class_list":["post-42626","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/42626","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=42626"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/42626\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=42626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=42626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=42626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}