{"id":11817,"date":"2023-02-15T19:19:18","date_gmt":"2023-02-15T11:19:18","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=11817"},"modified":"2026-07-01T00:13:11","modified_gmt":"2026-06-30T16:13:11","slug":"modbus-zhong-de-crc-jiao-yan-shi-shen-me-ru-he-ji-suan-crc-jiao-yan-zhi","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/11817.html","title":{"rendered":"Modbus \u4e2d\u7684 CRC \u6821\u9a8c\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u8ba1\u7b97 CRC \u6821\u9a8c\u503c\uff1f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Modbus \u534f\u8bae\u4e2d\u7684 CRC \u6821\u9a8c\u662f\u4e00\u79cd\u7528\u4e8e\u9a8c\u8bc1 Modbus \u6570\u636e\u62a5\u6587\u5b8c\u6574\u6027\u7684\u6821\u9a8c\u65b9\u5f0f\uff0c\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u8bef\u7801\u548c\u6570\u636e\u7be1\u6539\u3002Modbus \u534f\u8bae\u4e2d\u4f7f\u7528\u7684 CRC \u6821\u9a8c\u91c7\u7528\u4e86\u591a\u9879\u5f0f\u9664\u6cd5\u7684\u65b9\u5f0f\uff0c\u5177\u4f53\u8ba1\u7b97\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9996\u5148\u5c06 Modbus \u6570\u636e\u62a5\u6587\u4e2d\u7684\u6240\u6709\u5b57\u8282\u6309\u7167\u987a\u5e8f\u7ec4\u6210\u4e00\u4e2a\u5b57\u8282\u6570\u7ec4\u3002<\/li>\n\n\n\n<li>\u7136\u540e\u5c06\u8be5\u5b57\u8282\u6570\u7ec4\u7684\u6240\u6709\u5b57\u8282\u4f9d\u6b21\u5e26\u5165 CRC \u8ba1\u7b97\u51fd\u6570\u4e2d\uff0c\u8ba1\u7b97\u51fa CRC \u6821\u9a8c\u503c\u3002<\/li>\n\n\n\n<li>\u6700\u540e\u5c06\u8ba1\u7b97\u51fa\u7684 CRC \u6821\u9a8c\u503c\u9644\u52a0\u5230 Modbus \u6570\u636e\u62a5\u6587\u7684\u672b\u5c3e\uff0c\u7528\u4e8e\u9a8c\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba1\u7b97 CRC \u6821\u9a8c\u503c\u7684\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c06\u4e00\u4e2a16\u4f4d\u5bc4\u5b58\u5668\u7684\u521d\u503c\u8bbe\u4e3a0xFFFF\u3002<\/li>\n\n\n\n<li>\u5bf9\u5b57\u8282\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u8282\u8fdb\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5c06\u8be5\u5b57\u8282\u7684\u503c\u4e0e0xFF\u505a\u5f02\u6216\u8fd0\u7b97\u3002<\/li>\n\n\n\n<li>\u5c06\u4e0a\u8ff0\u7ed3\u679c\u4e0e16\u4f4d\u5bc4\u5b58\u5668\u7684\u4f4e8\u4f4d\u8fdb\u884c\u5f02\u6216\u8fd0\u7b97\uff0c\u5f97\u5230\u4e00\u4e2a\u65b0\u768416\u4f4d\u5bc4\u5b58\u5668\u7684\u503c\u3002<\/li>\n\n\n\n<li>\u5bf9\u65b0\u768416\u4f4d\u5bc4\u5b58\u5668\u7684\u503c\u8fdb\u884c8\u6b21\u5faa\u73af\uff0c\u6bcf\u6b21\u5faa\u73af\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u5bc4\u5b58\u5668\u7684\u6700\u9ad8\u4f4d\u4e3a1\uff0c\u5c31\u5c06\u5bc4\u5b58\u5668\u5de6\u79fb\u4e00\u4f4d\uff0c\u5e76\u4e0e0xA001\u505a\u5f02\u6216\u8fd0\u7b97\uff1b<\/li>\n\n\n\n<li>\u5982\u679c\u5bc4\u5b58\u5668\u7684\u6700\u9ad8\u4f4d\u4e3a0\uff0c\u5c31\u5c06\u5bc4\u5b58\u5668\u5de6\u79fb\u4e00\u4f4d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6700\u7ec8\u5f97\u5230\u768416\u4f4d\u5bc4\u5b58\u5668\u7684\u503c\u5c31\u662f CRC \u6821\u9a8c\u503c\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8ba1\u7b97 CRC \u6821\u9a8c\u503c\u65f6\uff0c\u5b57\u8282\u7684\u987a\u5e8f\u9700\u8981\u6309\u7167 Modbus \u534f\u8bae\u89c4\u5b9a\u7684\u987a\u5e8f\uff0c\u4e00\u822c\u6765\u8bf4\u662f\u4ece\u4f4e\u4f4d\u5230\u9ad8\u4f4d\u4f9d\u6b21\u6392\u5217\u3002\u6b64\u5916\uff0cCRC \u6821\u9a8c\u503c\u7684\u9644\u52a0\u65b9\u5f0f\u4e5f\u9700\u8981\u6309\u7167 Modbus \u534f\u8bae\u89c4\u5b9a\u7684\u683c\u5f0f\u8fdb\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u8f7d\u6574\u7406\u4e00\u4e9bCRC\u5728\u7ebf\u6548\u9a8c\u7684\u7f51\u5740\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">http:\/\/www.ip33.com\/crc.html<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">https:\/\/www.23bei.com\/tool\/232.html<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>Modbus \u534f\u8bae\u4e2d\u7684 CRC \u6821\u9a8c\u662f\u4e00\u79cd\u7528\u4e8e\u9a8c\u8bc1 Modb&#8230;<\/p>","protected":false},"author":1,"featured_media":27977,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[1394],"tags":[1184,1294,1517,1139,1312,1516],"class_list":["post-11817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-modbus-protocol","tag-1184","tag-1294","tag-1517","tag-1139","tag-1312","tag-1516"],"_links":{"self":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/11817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=11817"}],"version-history":[{"count":0,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/11817\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media\/27977"}],"wp:attachment":[{"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=11817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=11817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=11817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}