{"id":41670,"date":"2023-10-01T07:48:51","date_gmt":"2023-09-30T23:48:51","guid":{"rendered":"\/\/www.viralrail.com\/?p=41670"},"modified":"2023-10-01T07:48:51","modified_gmt":"2023-09-30T23:48:51","slug":"myrdqb","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/41670.html","title":{"rendered":"Modbus485\u4e0eRS485\u7684\u533a\u522b"},"content":{"rendered":"

  Modbus485\u548cRS485\u662f\u4e24\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u548c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u901a\u4fe1\u65b9\u5f0f\u3001\u529f\u80fd\u7279\u6027\u548c\u7528\u9014\u4e0a\u90fd\u6709\u6240\u4e0d\u540c\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u534f\u8bae\u3002<\/p>\n

Modbus485<\/h2>\n

  Modbus485\u662f\u4e00\u79cd\u4e13\u7528\u5de5\u4e1a\u63a7\u5236\u534f\u8bae\uff0c\u5b83\u662fModbus\u534f\u8bae\u7684\u4e00\u79cd\u53d8\u4f53\uff0c\u4e13\u4e3a485\u603b\u7ebf\u800c\u8bbe\u8ba1\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u63a7\u5236PLC\uff08\u53ef\u7f16\u7a0b\u63a7\u5236\u5668\uff09\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u8fde\u63a5\u5230485\u603b\u7ebf\u4e0a\u7684\u8bbe\u5907\uff0c\u5e76\u4f7f\u7528\u7279\u5b9a\u7684\u6307\u4ee4\u6765\u63a7\u5236\u548c\u76d1\u63a7\u5b83\u4eec\u3002<\/p>\n

  \u901a\u4fe1\u65b9\u5f0f<\/h3>\n

  Modbus485\u4f7f\u7528\u4e32\u884c\u901a\u4fe1\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528RS485\u6216RS422\u6570\u636e\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f7f\u7528\u4ee5\u592a\u7f51\u8fdb\u884c\u901a\u4fe1\uff0c\u4f46\u662f\u4e0d\u80fd\u4f7f\u7528\u4ee5\u592a\u7f51\u8fdb\u884c\u8fdc\u7a0b\u901a\u4fe1\u3002<\/p>\n

  \u529f\u80fd\u7279\u6027<\/h3>\n

  Modbus485\u652f\u6301\u591a\u79cd\u529f\u80fd\u7279\u6027\uff0c\u5305\u62ec\u8bfb\u53d6\u548c\u5199\u5165\u5bc4\u5b58\u5668\uff0c\u63a7\u5236\u8f93\u51fa\u7ee7\u7535\u5668\uff0c\u8bfb\u53d6\u8f93\u5165\u72b6\u6001\uff0c\u63a7\u5236\u8f93\u51fa\u7ee7\u7535\u5668\u7b49\u3002\u5b83\u8fd8\u652f\u6301\u8f6f\u4ef6\u548c\u786c\u4ef6\u7684CRC\u6821\u9a8c\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027\u3002<\/p>\n

  \u7528\u9014<\/h3>\n

  Modbus485\u4e3b\u8981\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\uff0c\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u5404\u79cd\u8bbe\u5907\uff0c\u5982PLC\uff0c\u4f20\u611f\u5668\uff0c\u6267\u884c\u5668\u7b49\u3002\u5b83\u4e5f\u53ef\u4ee5\u7528\u4e8e\u76d1\u63a7\u548c\u8fdc\u7a0b\u63a7\u5236\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u65f6\u76d1\u63a7\u8bbe\u5907\u7684\u72b6\u6001\uff0c\u5e76\u53ef\u4ee5\u8fdc\u7a0b\u63a7\u5236\u8bbe\u5907\u7684\u8fd0\u884c\u3002<\/p>\n

RS485<\/h2>\n

  RS485\u662f\u4e00\u79cd\u901a\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u548c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u957f\u8ddd\u79bb\u7684\u901a\u4fe1\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u591a\u8282\u70b9\u7684\u901a\u4fe1\u3002\u5b83\u662f\u4e00\u79cd\u9ad8\u901f\u3001\u4f4e\u6210\u672c\u7684\u534f\u8bae\uff0c\u5e7f\u6cdb\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u548c\u901a\u4fe1\u3002<\/p>\n

  \u901a\u4fe1\u65b9\u5f0f<\/h3>\n

  RS485\u4f7f\u7528\u4e32\u884c\u901a\u4fe1\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528RS485\u6216RS422\u6570\u636e\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f7f\u7528\u4ee5\u592a\u7f51\u8fdb\u884c\u901a\u4fe1\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ee5\u592a\u7f51\u8fdb\u884c\u8fdc\u7a0b\u901a\u4fe1\u3002<\/p>\n

  \u529f\u80fd\u7279\u6027<\/h3>\n

  RS485\u652f\u6301\u591a\u79cd\u529f\u80fd\u7279\u6027\uff0c\u5305\u62ec\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u652f\u6301\u591a\u79cd\u4f20\u8f93\u6a21\u5f0f\uff0c\u652f\u6301\u591a\u8282\u70b9\u901a\u4fe1\uff0c\u652f\u6301\u957f\u8ddd\u79bb\u901a\u4fe1\u7b49\u3002<\/p>\n

  \u7528\u9014<\/h3>\n

  RS485\u4e3b\u8981\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u548c\u901a\u4fe1\uff0c\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u5404\u79cd\u8bbe\u5907\uff0c\u5982PLC\uff0c\u4f20\u611f\u5668\uff0c\u6267\u884c\u5668\u7b49\u3002\u5b83\u4e5f\u53ef\u4ee5\u7528\u4e8e\u591a\u8282\u70b9\u901a\u4fe1\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5b9e\u73b0\u591a\u8282\u70b9\u7684\u901a\u4fe1\u548c\u63a7\u5236\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u4ece\u4e0a\u8ff0\u5185\u5bb9\u53ef\u4ee5\u770b\u51fa\uff0cModbus485\u548cRS485\u662f\u4e24\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u548c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u901a\u4fe1\u65b9\u5f0f\u3001\u529f\u80fd\u7279\u6027\u548c\u7528\u9014\u4e0a\u90fd\u6709\u6240\u4e0d\u540c\u3002<\/strong>Modbus485\u662f\u4e00\u79cd\u4e13\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u534f\u8bae\uff0c\u4e3b\u8981\u7528\u4e8e\u63a7\u5236PLC\uff0c\u53ef\u4ee5\u4f7f\u7528RS485\u6216RS422\u6570\u636e\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u652f\u6301\u8bfb\u5199\u5bc4\u5b58\u5668\uff0c\u63a7\u5236\u8f93\u51fa\u7ee7\u7535\u5668\u7b49\u529f\u80fd\u3002RS485\u662f\u4e00\u79cd\u901a\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u548c\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u4f7f\u7528RS485\u6216RS422\u6570\u636e\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u652f\u6301\u591a\u8282\u70b9\u901a\u4fe1\uff0c\u652f\u6301\u957f\u8ddd\u79bb\u901a\u4fe1\u7b49\u529f\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Modbus485\u548cRS485\u662f\u4e24\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u548c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u901a\u4fe1\u65b9\u5f0f\u3001\u529f\u80fd\u7279\u6027\u548c\u7528\u9014\u4e0a\u90fd\u6709\u6240\u4e0d\u540c\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\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-41670","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/41670"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=41670"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/41670\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=41670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=41670"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=41670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}