{"id":57426,"date":"2023-10-23T10:51:37","date_gmt":"2023-10-23T02:51:37","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=57426"},"modified":"2023-10-23T10:51:37","modified_gmt":"2023-10-23T02:51:37","slug":"mhmdbj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/57426.html","title":{"rendered":"Modbus485\u548cModbus RTU\u7684\u6bd4\u8f83"},"content":{"rendered":"<p>&emsp;&emsp;Modbus485\u548cModbus RTU\u662f\u4e24\u79cd\u4e3b\u6d41\u7684\u5de5\u4e1a\u63a7\u5236\u534f\u8bae\uff0c\u5b83\u4eec\u90fd\u88ab\u5e7f\u6cdb\u7528\u4e8e\u63a7\u5236\u548c\u76d1\u63a7\u5de5\u4e1a\u8bbe\u5907\u3002\u672c\u6587\u5c06\u5bf9\u5b83\u4eec\u7684\u5dee\u5f02\u8fdb\u884c\u6bd4\u8f83\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u5e94\u7528\u3002<\/p>\n<h2 style=\"text-align: center;\">Modbus485<\/h2>\n<p>&emsp;&emsp;Modbus485\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5728RS485\u603b\u7ebf\u4e0a\u4f20\u8f93\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u5927\u91cf\u8bbe\u5907\uff0c\u6700\u591a\u652f\u630132\u4e2a\u8bbe\u5907\uff0c\u6bcf\u4e2a\u8bbe\u5907\u6700\u591a\u53ef\u4ee5\u6709256\u4e2a\u5bc4\u5b58\u5668\u3002\u5b83\u5177\u6709\u8f83\u9ad8\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u9632\u6b62\u5916\u90e8\u5e72\u6270\uff0c\u4e14\u80fd\u591f\u4fdd\u62a4\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h3>&emsp;&emsp;\u4f18\u70b9<\/h3>\n<ul>\n<li>\u53ef\u4ee5\u652f\u6301\u5927\u91cf\u8bbe\u5907\uff0c\u6700\u591a\u652f\u630132\u4e2a\u8bbe\u5907<\/li>\n<li>\u8f83\u9ad8\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u9632\u6b62\u5916\u90e8\u5e72\u6270\uff0c\u4e14\u80fd\u591f\u4fdd\u62a4\u6570\u636e\u7684\u5b8c\u6574\u6027<\/li>\n<\/ul>\n<h3>&emsp;&emsp;\u7f3a\u70b9<\/h3>\n<ul>\n<li>\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u6700\u957f\u53ea\u80fd\u4f20\u8f931200\u7c73<\/li>\n<li>\u4f20\u8f93\u901f\u7387\u8f83\u6162\uff0c\u6700\u9ad8\u53ea\u80fd\u8fbe\u523019200 bps<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">Modbus RTU<\/h2>\n<p>&emsp;&emsp;Modbus RTU\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u5de5\u4e1a\u63a7\u5236\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5728RS232\u3001RS485\u7b49\u4e32\u884c\u603b\u7ebf\u4e0a\u4f20\u8f93\u6570\u636e\u3002\u5b83\u5177\u6709\u8f83\u9ad8\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u9632\u6b62\u5916\u90e8\u5e72\u6270\uff0c\u4e14\u80fd\u591f\u4fdd\u62a4\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h3>&emsp;&emsp;\u4f18\u70b9<\/h3>\n<ul>\n<li>\u4f20\u8f93\u8ddd\u79bb\u8f83\u957f\uff0c\u6700\u957f\u53ef\u4ee5\u4f20\u8f934\u5343\u7c73<\/li>\n<li>\u4f20\u8f93\u901f\u7387\u8f83\u5feb\uff0c\u6700\u9ad8\u53ef\u4ee5\u8fbe\u5230115200 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RTU\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u957f\uff1bModbus485\u7684\u4f20\u8f93\u901f\u7387\u8f83\u6162\uff0c\u800cModbus RTU\u7684\u4f20\u8f93\u901f\u7387\u8f83\u5feb\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9Modbus485\u6216Modbus 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