{"id":39820,"date":"2023-09-27T15:53:49","date_gmt":"2023-09-27T07:53:49","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=39820"},"modified":"2023-09-27T15:53:49","modified_gmt":"2023-09-27T07:53:49","slug":"rsmm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/39820.html","title":{"rendered":"RS485\u662fModbus\u5417\uff1f"},"content":{"rendered":"

  RS485\u662f\u4e00\u79cd\u5bbd\u5e26\u5dee\u5206\u4fe1\u53f7\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u9ad8\u8fbe10Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u8282\u70b9\u7684\u8fde\u63a5\u3002\u5b83\u662f\u4e00\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u6280\u672f\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5404\u79cd\u8bbe\u5907\uff0c\u5982\u8ba1\u7b97\u673a\u3001\u7f51\u7edc\u8bbe\u5907\u3001\u63a7\u5236\u5668\u3001\u4f20\u611f\u5668\u548c\u4eea\u8868\u7b49\u3002RS485\u53ef\u4ee5\u7528\u4e8eModbus\u901a\u4fe1\uff0c\u4f46\u5b83\u4e0d\u662fModbus\u7684\u6838\u5fc3\u6280\u672f\u3002<\/p>\n

RS485\u901a\u4fe1\u534f\u8bae<\/h2>\n

  RS485\u662f\u4e00\u79cd\u5dee\u5206\u4fe1\u53f7\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u8282\u70b9\u7684\u8fde\u63a5\uff0c\u5e76\u4e14\u652f\u6301\u9ad8\u8fbe10Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u4f7f\u5b83\u6210\u4e3a\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u901a\u4fe1\u6280\u672f\u3002RS485\u534f\u8bae\u91c7\u7528\u4e24\u4e2a\u7ebf\u8def\u6765\u4f20\u8f93\u6570\u636e\uff0c\u5176\u4e2d\u4e00\u6761\u7ebf\u8def\u7528\u4e8e\u53d1\u9001\u6570\u636e\uff0c\u53e6\u4e00\u6761\u7ebf\u8def\u7528\u4e8e\u63a5\u6536\u6570\u636e\u3002\u8fd9\u79cd\u53cc\u7ebf\u8def\u7684\u4f20\u8f93\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u6291\u5236\u566a\u58f0\uff0c\u4f7f\u6570\u636e\u4f20\u8f93\u66f4\u52a0\u7a33\u5b9a\u53ef\u9760\u3002<\/p>\n

  RS485\u7684\u4f18\u52bf<\/h3>\n

  RS485\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u8282\u70b9\u7684\u8fde\u63a5\uff0c\u800c\u4e14\u8fd8\u53ef\u4ee5\u652f\u6301\u9ad8\u8fbe10Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u4f7f\u5b83\u6210\u4e3a\u4e00\u79cd\u975e\u5e38\u7406\u60f3\u7684\u901a\u4fe1\u6280\u672f\u3002\u6b64\u5916\uff0cRS485\u534f\u8bae\u91c7\u7528\u4e24\u4e2a\u7ebf\u8def\u6765\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u79cd\u53cc\u7ebf\u8def\u7684\u4f20\u8f93\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u6291\u5236\u566a\u58f0\uff0c\u4f7f\u6570\u636e\u4f20\u8f93\u66f4\u52a0\u7a33\u5b9a\u53ef\u9760\u3002<\/p>\n

  RS485\u7684\u7f3a\u70b9<\/h3>\n

  RS485\u7684\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u652f\u6301\u534a\u53cc\u5de5\u4f20\u8f93\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ea\u80fd\u5728\u4e00\u4e2a\u65b9\u5411\u4e0a\u4f20\u8f93\u6570\u636e\uff0c\u800c\u4e0d\u80fd\u53cc\u5411\u4f20\u8f93\u6570\u636e\u3002\u6b64\u5916\uff0cRS485\u534f\u8bae\u4e5f\u4e0d\u80fd\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u56e0\u6b64\u53ea\u80fd\u7528\u4e8e\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

Modbus\u901a\u4fe1\u534f\u8bae<\/h2>\n

  Modbus\u662f\u4e00\u79cd\u901a\u7528\u7684\u5de5\u4e1a\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5404\u79cd\u8bbe\u5907\uff0c\u5982\u8ba1\u7b97\u673a\u3001\u7f51\u7edc\u8bbe\u5907\u3001\u63a7\u5236\u5668\u3001\u4f20\u611f\u5668\u548c\u4eea\u8868\u7b49\u3002Modbus\u534f\u8bae\u91c7\u7528\u4e32\u884c\u901a\u4fe1\u65b9\u5f0f\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u8fbe247\u4e2a\u4ece\u7ad9\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u9ad8\u8fbe115.2Kbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002Modbus\u534f\u8bae\u91c7\u7528\u4e3b\u4ece\u6a21\u5f0f\uff0c\u4ece\u7ad9\u53ef\u4ee5\u63a5\u6536\u4e3b\u7ad9\u53d1\u6765\u7684\u6307\u4ee4\uff0c\u5e76\u6839\u636e\u6307\u4ee4\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n

  Modbus\u7684\u4f18\u52bf<\/h3>\n

  Modbus\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe247\u4e2a\u4ece\u7ad9\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u9ad8\u8fbe115.2Kbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u4f7f\u5b83\u6210\u4e3a\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u901a\u4fe1\u6280\u672f\u3002\u6b64\u5916\uff0cModbus\u534f\u8bae\u91c7\u7528\u4e3b\u4ece\u6a21\u5f0f\uff0c\u4ece\u7ad9\u53ef\u4ee5\u63a5\u6536\u4e3b\u7ad9\u53d1\u6765\u7684\u6307\u4ee4\uff0c\u8fd9\u79cd\u6a21\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n

  Modbus\u7684\u7f3a\u70b9<\/h3>\n

  Modbus\u7684\u7f3a\u70b9\u5728\u4e8e\u5b83\u53ea\u80fd\u652f\u6301\u4e32\u884c\u901a\u4fe1\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ea\u80fd\u5728\u4e00\u4e2a\u65b9\u5411\u4e0a\u4f20\u8f93\u6570\u636e\uff0c\u800c\u4e0d\u80fd\u53cc\u5411\u4f20\u8f93\u6570\u636e\u3002\u6b64\u5916\uff0cModbus\u534f\u8bae\u4e5f\u4e0d\u80fd\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u56e0\u6b64\u53ea\u80fd\u7528\u4e8e\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS485\u548cModbus\u90fd\u662f\u5e38\u7528\u7684\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5404\u79cd\u8bbe\u5907\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u5b58\u5728\u4e00\u5b9a\u7684\u5dee\u5f02\u3002RS485\u662f\u4e00\u79cd\u5bbd\u5e26\u5dee\u5206\u4fe1\u53f7\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u8282\u70b9\u7684\u8fde\u63a5\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u9ad8\u8fbe10Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u4f7f\u5b83\u6210\u4e3a\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u901a\u4fe1\u6280\u672f\u3002\u800cModbus\u662f\u4e00\u79cd\u901a\u7528\u7684\u5de5\u4e1a\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe247\u4e2a\u4ece\u7ad9\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u9ad8\u8fbe115.2Kbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u4f7f\u5b83\u6210\u4e3a\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u901a\u4fe1\u6280\u672f\u3002<\/p>\n

  \u603b\u4e4b\uff0cRS485\u53ef\u4ee5\u7528\u4e8eModbus\u901a\u4fe1\uff0c\u4f46\u5b83\u4e0d\u662fModbus\u7684\u6838\u5fc3\u6280\u672f\u3002<\/strong>RS485\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u8282\u70b9\u7684\u8fde\u63a5\uff0c\u800cModbus\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe247\u4e2a\u4ece\u7ad9\uff0c\u8fd9\u4f7f\u5b83\u4eec\u6210\u4e3a\u4e00\u79cd\u7406\u60f3\u7684\u901a\u4fe1\u6280\u672f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u662f\u4e00\u79cd\u5bbd\u5e26\u5dee\u5206\u4fe1\u53f7\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u9ad8\u8fbe10Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u8282\u70b9\u7684\u8fde\u63a5\u3002\u5b83\u662f\u4e00\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u6280\u672f\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5404\u79cd\u8bbe\u5907\uff0c\u5982\u8ba1\u7b97\u673a\u3001\u7f51\u7edc\u8bbe\u5907<\/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-39820","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\/39820","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=39820"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/39820\/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=39820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=39820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=39820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}