{"id":68877,"date":"2023-12-24T08:40:30","date_gmt":"2023-12-24T00:40:30","guid":{"rendered":"\/\/www.dealsbon.com\/?p=68877"},"modified":"2023-12-24T08:40:30","modified_gmt":"2023-12-24T00:40:30","slug":"ryrzmdj","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/68877.html","title":{"rendered":"RS422\u4e0eRS485\u600e\u4e48\u5bf9\u63a5"},"content":{"rendered":"

  RS422\u4e0eRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u81ea\u52a8\u5316\u548c\u901a\u4fe1\u9886\u57df\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRS422\u4e0eRS485\u7684\u5bf9\u63a5\u65b9\u6cd5\uff0c\u5e2e\u52a9\u8bfb\u8005\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u5e94\u7528\u8fd9\u4e24\u79cd\u6807\u51c6\u8fdb\u884c\u6570\u636e\u901a\u4fe1\u3002<\/p>\n

RS422\u4e0eRS485\u7684\u7269\u7406\u8fde\u63a5<\/h2>\n

  \u5728\u8fdb\u884cRS422\u4e0eRS485\u7684\u5bf9\u63a5\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u5b83\u4eec\u7684\u7269\u7406\u8fde\u63a5\u65b9\u5f0f\u3002RS422\u548cRS485\u90fd\u4f7f\u7528\u4e0d\u540c\u7ebf\u5bf9\u4e4b\u95f4\u7684\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6570\u636e\uff0c\u76f8\u6bd4\u4e8e\u5355\u7aef\u4fe1\u53f7\uff0c\u5dee\u5206\u4fe1\u53f7\u5728\u62b5\u6297\u5e72\u6270\u548c\u566a\u58f0\u65b9\u9762\u5177\u6709\u66f4\u597d\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5728\u5bf9\u63a5\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4fe1\u53f7\u7ebf\u7684\u8fde\u63a5\u65b9\u5f0f\u548c\u7ec8\u7aef\u7535\u963b\u7684\u4f7f\u7528\u3002<\/p>\n

  \u4fe1\u53f7\u7ebf\u8fde\u63a5\u65b9\u5f0f<\/h3>\n

  RS422\u9700\u8981\u4e00\u5bf9\u6570\u636e\u7ebf\uff08Tx+\u548cTx-\uff09\u8fdb\u884c\u53cc\u5411\u901a\u4fe1\uff0c\u800cRS485\u9700\u8981\u4e24\u5bf9\u6570\u636e\u7ebf\uff08A\/B\u548cZ\/X\uff09\u8fdb\u884c\u591a\u70b9\u901a\u4fe1\u3002\u63a5\u7ebf\u65f6\u9700\u8981\u786e\u4fdd\u6b63\u786e\u8fde\u63a5\u5404\u4e2a\u4fe1\u53f7\u7ebf\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u5e94\u7528\u786e\u5b9a\u6570\u636e\u7ebf\u7684\u5e03\u7ebf\u65b9\u5f0f\u3002<\/p>\n

  \u7ec8\u7aef\u7535\u963b\u7684\u8bbe\u7f6e<\/h3>\n

  \u5728RS485\u901a\u4fe1\u4e2d\uff0c\u4e3a\u4e86\u51cf\u5c11\u4fe1\u53f7\u53cd\u5c04\u548c\u63d0\u9ad8\u4fe1\u53f7\u8d28\u91cf\uff0c\u9700\u8981\u5728\u7f51\u7edc\u7684\u4e24\u7aef\u5206\u522b\u8bbe\u7f6e\u7ec8\u7aef\u7535\u963b\u3002\u5bf9\u4e8e\u4e0d\u540c\u7684\u901a\u4fe1\u901f\u7387\u548c\u7f51\u7edc\u957f\u5ea6\uff0c\u9700\u8981\u6839\u636e\u6807\u51c6\u63a8\u8350\u7684\u6570\u503c\u8fdb\u884c\u8bbe\u7f6e\uff0c\u4ee5\u786e\u4fdd\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n

RS422\u4e0eRS485\u7684\u901a\u4fe1\u534f\u8bae<\/h2>\n

  \u9664\u4e86\u7269\u7406\u8fde\u63a5\u5916\uff0cRS422\u4e0eRS485\u7684\u5bf9\u63a5\u8fd8\u9700\u8981\u8003\u8651\u901a\u4fe1\u534f\u8bae\u7684\u9009\u62e9\u3002\u5e38\u89c1\u7684\u901a\u4fe1\u534f\u8bae\u6709Modbus\u3001Profibus<\/a>\u548cRS-232\u7b49\uff0c\u9009\u62e9\u5408\u9002\u7684\u534f\u8bae\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u5b9e\u9645\u901a\u4fe1\u9700\u6c42\u3002<\/p>\n

  Modbus\u901a\u4fe1\u534f\u8bae<\/h3>\n

  Modbus\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u4e0eRS485\u517c\u5bb9\uff0c\u5e76\u652f\u6301\u591a\u4e2a\u4ece\u7ad9\u8bbe\u5907\u4e0e\u4e00\u4e2a\u4e3b\u7ad9\u8bbe\u5907\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u5728\u5bf9\u63a5RS485\u65f6\uff0c\u53ef\u4ee5\u9009\u62e9Modbus<\/a>\u534f\u8bae\u8fdb\u884c\u901a\u4fe1\uff0c\u4ee5\u5b9e\u73b0\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  Profibus\u901a\u4fe1\u534f\u8bae<\/h3>\n

  Profibus\u662f\u4e00\u79cd\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u652f\u6301RS422\u548cRS485\u7269\u7406\u5c42<\/a>\u3002\u5b83\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5de5\u4e1a\u73af\u5883\uff0c\u5e76\u4e14\u5177\u6709\u826f\u597d\u7684\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS422\u4e0eRS485\u662f\u91cd\u8981\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u81ea\u52a8\u5316\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/strong>\u5bf9\u63a5\u65f6\u9700\u8981\u6ce8\u610f\u7269\u7406\u8fde\u63a5\u548c\u901a\u4fe1\u534f\u8bae\u7684\u9009\u62e9\uff0c\u4ee5\u786e\u4fdd\u7a33\u5b9a\u53ef\u9760\u7684\u6570\u636e\u901a\u4fe1\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u8bfb\u8005\u80fd\u6709\u6240\u5e2e\u52a9\uff0c\u8ba9\u4ed6\u4eec\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528RS422\u4e0eRS485\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS422\u4e0eRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u81ea\u52a8\u5316\u548c\u901a\u4fe1\u9886\u57df\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRS422\u4e0eRS485\u7684\u5bf9\u63a5\u65b9\u6cd5\uff0c\u5e2e\u52a9\u8bfb\u8005\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u5e94\u7528\u8fd9\u4e24\u79cd\u6807<\/p>\n","protected":false},"author":1,"featured_media":64231,"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":[259],"class_list":["post-68877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-rs422"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/68877"}],"collection":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/comments?post=68877"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/68877\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/64231"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=68877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=68877"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=68877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}