{"id":39783,"date":"2023-10-01T19:48:45","date_gmt":"2023-10-01T11:48:45","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=39783"},"modified":"2023-10-01T19:48:45","modified_gmt":"2023-10-01T11:48:45","slug":"ptxxyyjzlx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/39783.html","title":{"rendered":"PLC\u901a\u8baf\u534f\u8bae\u6709\u51e0\u79cd\u7c7b\u578b"},"content":{"rendered":"

  PLC\uff08\u53ef\u7f16\u7a0b\u63a7\u5236\u5668\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u5de5\u4e1a\u8bbe\u5907\u7684\u53ef\u7f16\u7a0b\u63a7\u5236\u5668\uff0c\u5b83\u53ef\u4ee5\u63a7\u5236\u5404\u79cd\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u4ece\u7b80\u5355\u7684\u7535\u673a\u5230\u590d\u6742\u7684\u673a\u5668\u4eba\u3002PLC\u901a\u8baf\u534f\u8bae\u662fPLC\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u8baf\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0PLC\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002PLC\u901a\u8baf\u534f\u8bae\u6709\u51e0\u79cd\u7c7b\u578b\uff0c\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u7c7b\u578b\u7684PLC\u901a\u8baf\u534f\u8bae\u3002<\/p>\n

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

  Modbus\u534f\u8bae\u662f\u4e00\u79cd\u5e38\u7528\u7684PLC\u901a\u8baf\u534f\u8bae\uff0c\u5b83\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u901a\u8baf\u7684\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5PLC\u548c\u5176\u4ed6\u8bbe\u5907\u3002Modbus\u534f\u8bae\u53ef\u4ee5\u5b9e\u73b0PLC\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\uff0c\u53ef\u4ee5\u8bfb\u53d6\u548c\u5199\u5165PLC\u7684\u5bc4\u5b58\u5668\uff0c\u4e5f\u53ef\u4ee5\u63a7\u5236PLC\u7684\u8f93\u51fa\u72b6\u6001\u3002Modbus\u534f\u8bae\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\uff1aModbus RTU\u548cModbus ASCII\u3002<\/p>\n

  Modbus RTU<\/h3>\n

  Modbus RTU\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u53e3\u901a\u8baf\u7684\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0PLC\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002Modbus RTU\u534f\u8bae\u7684\u4f20\u8f93\u901f\u7387\u6bd4Modbus ASCII\u534f\u8bae\u8981\u5feb\u5f97\u591a\uff0c\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d219.2Kbps\u7684\u901f\u5ea6\uff0c\u5e76\u4e14\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u901a\u8baf\u4ecb\u8d28\uff0c\u5982RS-485\u3001RS-232\u7b49\u3002<\/p>\n

  Modbus ASCII<\/h3>\n

  Modbus ASCII\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u53e3\u901a\u8baf\u7684\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0PLC\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002Modbus ASCII\u534f\u8bae\u7684\u4f20\u8f93\u901f\u7387\u6bd4Modbus RTU\u534f\u8bae\u8981\u6162\uff0c\u53ea\u80fd\u8fbe\u5230\u6bcf\u79d219.2Kbps\u7684\u901f\u5ea6\uff0c\u4f46\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u901a\u8baf\u4ecb\u8d28\uff0c\u5982RS-485\u3001RS-232\u7b49\u3002<\/p>\n

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

  Profibus\u534f\u8bae\u662f\u4e00\u79cd\u5e38\u7528\u7684PLC\u901a\u8baf\u534f\u8bae\uff0c\u5b83\u662f\u4e00\u79cd\u57fa\u4e8e\u603b\u7ebf\u901a\u8baf\u7684\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5PLC\u548c\u5176\u4ed6\u8bbe\u5907\u3002Profibus\u534f\u8bae\u53ef\u4ee5\u5b9e\u73b0PLC\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\uff0c\u53ef\u4ee5\u8bfb\u53d6\u548c\u5199\u5165PLC\u7684\u5bc4\u5b58\u5668\uff0c\u4e5f\u53ef\u4ee5\u63a7\u5236PLC\u7684\u8f93\u51fa\u72b6\u6001\u3002Profibus\u534f\u8bae\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\uff1aProfibus DP\u548cProfibus PA\u3002<\/p>\n

  Profibus DP<\/h3>\n

  Profibus DP\u662f\u4e00\u79cd\u57fa\u4e8e\u603b\u7ebf\u901a\u8baf\u7684\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0PLC\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\uff0c\u53ef\u4ee5\u8bfb\u53d6\u548c\u5199\u5165PLC\u7684\u5bc4\u5b58\u5668\uff0c\u4e5f\u53ef\u4ee5\u63a7\u5236PLC\u7684\u8f93\u51fa\u72b6\u6001\u3002Profibus DP\u534f\u8bae\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d212Mbps\u7684\u901f\u5ea6\uff0c\u5e76\u4e14\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u901a\u8baf\u4ecb\u8d28\uff0c\u5982RS-485\u3001RS-232\u7b49\u3002<\/p>\n

  Profibus PA<\/h3>\n

  Profibus PA\u662f\u4e00\u79cd\u57fa\u4e8e\u603b\u7ebf\u901a\u8baf\u7684\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0PLC\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\uff0c\u53ef\u4ee5\u8bfb\u53d6\u548c\u5199\u5165PLC\u7684\u5bc4\u5b58\u5668\uff0c\u4e5f\u53ef\u4ee5\u63a7\u5236PLC\u7684\u8f93\u51fa\u72b6\u6001\u3002Profibus PA\u534f\u8bae\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d231.25Kbps\u7684\u901f\u5ea6\uff0c\u5e76\u4e14\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u901a\u8baf\u4ecb\u8d28\uff0c\u5982RS-485\u3001RS-232\u7b49\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  PLC\u901a\u8baf\u534f\u8bae\u6709\u51e0\u79cd\u7c7b\u578b\uff0c\u5176\u4e2d\u4e3b\u8981\u6709Modbus\u534f\u8bae\u548cProfibus\u534f\u8bae\u3002<\/strong>Modbus\u534f\u8bae\u53ef\u4ee5\u5206\u4e3aModbus RTU\u548cModbus ASCII\u4e24\u79cd\uff0c\u5b83\u4eec\u53ef\u4ee5\u5b9e\u73b0PLC\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002Profibus\u534f\u8bae\u53ef\u4ee5\u5206\u4e3aProfibus DP\u548cProfibus PA\u4e24\u79cd\uff0c\u5b83\u4eec\u53ef\u4ee5\u5b9e\u73b0PLC\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

PLC\uff08\u53ef\u7f16\u7a0b\u63a7\u5236\u5668\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u5de5\u4e1a\u8bbe\u5907\u7684\u53ef\u7f16\u7a0b\u63a7\u5236\u5668\uff0c\u5b83\u53ef\u4ee5\u63a7\u5236\u5404\u79cd\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u4ece\u7b80\u5355\u7684\u7535\u673a\u5230\u590d\u6742\u7684\u673a\u5668\u4eba\u3002PLC\u901a\u8baf\u534f\u8bae\u662fPLC\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u8baf\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0PL<\/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":[149],"class_list":["post-39783","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-plcontroller"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/39783","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=39783"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/39783\/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=39783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=39783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=39783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}