{"id":56398,"date":"2023-10-17T15:33:11","date_gmt":"2023-10-17T07:33:11","guid":{"rendered":"https:\/\/www.techphant.cn\/blog\/56398.html"},"modified":"2023-10-17T15:33:11","modified_gmt":"2023-10-17T07:33:11","slug":"bzdmycm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/56398.html","title":{"rendered":"\u6807\u51c6\u7684Modbus\u6709CRC\u5417\uff1f"},"content":{"rendered":"<p>&emsp;&emsp;Modbus\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u7528\u4e8e\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u73af\u5883\u4e2d\u7684\u63a7\u5236\u5668\u548c\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u662f\u4e00\u79cd\u53ef\u9760\u7684\u3001\u7b80\u5355\u7684\u3001\u5bb9\u6613\u5b9e\u65bd\u7684\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002\u4f46\u662f\uff0cModbus\u534f\u8bae\u662f\u5426\u5305\u542bCRC\uff08\u5faa\u73af\u5197\u4f59\u6821\u9a8c\uff09\uff1f<\/p>\n<h2 style=\"text-align: center;\">\u4ec0\u4e48\u662fCRC\uff1f<\/h2>\n<p>&emsp;&emsp;CRC\u662fCyclic Redundancy Check\u7684\u7f29\u5199\uff0c\u4e5f\u79f0\u4e3a\u5faa\u73af\u5197\u4f59\u68c0\u67e5\uff0c\u662f\u4e00\u79cd\u6570\u636e\u6821\u9a8c\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u68c0\u6d4b\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u6f5c\u5728\u9519\u8bef\u3002\u5b83\u901a\u8fc7\u8ba1\u7b97\u7279\u5b9a\u7b97\u6cd5\u8ba1\u7b97\u51fa\u4e00\u4e2a\u7279\u5b9a\u7684\u6570\u5b57\uff0c\u8fd9\u4e2a\u6570\u5b57\u88ab\u79f0\u4e3aCRC\u503c\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8868\u793a\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002\u5982\u679c\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u53d1\u751f\u4e86\u9519\u8bef\uff0cCRC\u503c\u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u4ece\u800c\u68c0\u6d4b\u51fa\u9519\u8bef\u3002<\/p>\n<h2 style=\"text-align: center;\">\u6807\u51c6\u7684Modbus\u534f\u8bae\u662f\u5426\u5305\u542bCRC\uff1f<\/h2>\n<p>&emsp;&emsp;\u6807\u51c6Modbus\u534f\u8bae\u662f\u4e0d\u5305\u542bCRC\u7684\u3002\u5b83\u53ea\u5305\u542b\u4e00\u4e2a\u57fa\u672c\u7684CRC\u6821\u9a8c\uff0c\u4f46\u662f\u8fd9\u4e2a\u6821\u9a8c\u4e0d\u591f\u5f3a\u5927\uff0c\u65e0\u6cd5\u6709\u6548\u68c0\u6d4b\u51fa\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u6f5c\u5728\u9519\u8bef\u3002<\/p>\n<h3>&emsp;&emsp;Modbus\u534f\u8bae\u7684\u5c40\u9650\u6027<\/h3>\n<p>&emsp;&emsp;\u7531\u4e8eModbus\u534f\u8bae\u6ca1\u6709\u5f3a\u5927\u7684CRC\u6821\u9a8c\uff0c\u6240\u4ee5\u5b83\u5728\u6570\u636e\u4f20\u8f93\u4e2d\u5b58\u5728\u4e00\u5b9a\u7684\u5c40\u9650\u6027\u3002\u9996\u5148\uff0c\u5b83\u53ef\u80fd\u4f1a\u51fa\u73b0\u6570\u636e\u4e22\u5931\u7684\u60c5\u51b5\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u51fa\u73b0\u9519\u8bef\u3002\u5176\u6b21\uff0c\u7531\u4e8eModbus\u534f\u8bae\u7684\u6570\u636e\u5e27\u957f\u5ea6\u6709\u9650\uff0c\u6240\u4ee5\u5b83\u4e0d\u80fd\u6709\u6548\u5730\u5904\u7406\u5927\u91cf\u7684\u6570\u636e\u3002\u6b64\u5916\uff0c\u5b83\u4e5f\u4e0d\u80fd\u6709\u6548\u5730\u5904\u7406\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<h3>&emsp;&emsp;\u4f7f\u7528Modbus\u534f\u8bae\u65f6\u5e94\u8be5\u6ce8\u610f\u4ec0\u4e48\uff1f<\/h3>\n<p>&emsp;&emsp;\u5728\u4f7f\u7528Modbus\u534f\u8bae\u65f6\uff0c\u5e94\u8be5\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u53ef\u9760\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/li>\n<li>\u5c3d\u91cf\u51cf\u5c11\u6570\u636e\u5e27\u7684\u957f\u5ea6\uff0c\u4ee5\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u7684\u590d\u6742\u5ea6\u3002<\/li>\n<li>\u5c3d\u91cf\u4f7f\u7528\u7b80\u5355\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/li>\n<li>\u5728\u6570\u636e\u4f20\u8f93\u4e2d\u4f7f\u7528\u989d\u5916\u7684\u9519\u8bef\u68c0\u6d4b\u6280\u672f\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>\u603b\u4e4b\uff0cModbus\u534f\u8bae\u662f\u4e00\u79cd\u7b80\u5355\u3001\u5bb9\u6613\u5b9e\u65bd\u7684\u534f\u8bae\uff0c\u4f46\u662f\u5b83\u4e0d\u5305\u542bCRC\u6821\u9a8c\uff0c\u6240\u4ee5\u5728\u4f7f\u7528Modbus\u534f\u8bae\u65f6\uff0c\u5e94\u8be5\u6ce8\u610f\u4f7f\u7528\u53ef\u9760\u7684\u7f51\u7edc\u8fde\u63a5\u3001\u51cf\u5c11\u6570\u636e\u5e27\u7684\u957f\u5ea6\u3001\u4f7f\u7528\u7b80\u5355\u7684\u6570\u636e\u7ed3\u6784\u4ee5\u53ca\u989d\u5916\u7684\u9519\u8bef\u68c0\u6d4b\u6280\u672f\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Modbus\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u7528\u4e8e\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u73af\u5883\u4e2d\u7684\u63a7\u5236\u5668\u548c\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u662f\u4e00\u79cd\u53ef\u9760\u7684\u3001\u7b80\u5355\u7684\u3001\u5bb9\u6613\u5b9e\u65bd\u7684\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002\u4f46\u662f\uff0cModbus\u534f<\/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":[78],"class_list":["post-56398","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-m-3"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/56398","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=56398"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/56398\/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=56398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=56398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=56398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}