{"id":33042,"date":"2023-09-17T12:39:07","date_gmt":"2023-09-17T04:39:07","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=33042"},"modified":"2023-09-17T12:39:07","modified_gmt":"2023-09-17T04:39:07","slug":"wyzmfy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/33042.html","title":{"rendered":"\u65e0\u6e90232\u8f6c485\u6ca1\u53cd\u5e94"},"content":{"rendered":"<p>&emsp;&emsp;RS232\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u53e3\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u4eec\u662f\u4e00\u79cd\u7528\u4e8e\u8fde\u63a5\u7535\u8111\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u63a5\u53e3\uff0c\u662f\u8bb8\u591a\u73b0\u4ee3\u8bbe\u5907\u7684\u6807\u51c6\u8fde\u63a5\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u65e0\u6e90232\u8f6c485\u6ca1\u53cd\u5e94\u7684\u539f\u56e0\uff0c\u4ee5\u53ca\u5982\u4f55\u89e3\u51b3\u6b64\u95ee\u9898\u3002<\/p>\n<h2 style=\"text-align: center;\">RS232\u548cRS485\u7684\u533a\u522b<\/h2>\n<p>&emsp;&emsp;RS232\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u4eec\u662f\u4e00\u79cd\u7528\u4e8e\u8fde\u63a5\u7535\u8111\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u63a5\u53e3\uff0c\u662f\u8bb8\u591a\u73b0\u4ee3\u8bbe\u5907\u7684\u6807\u51c6\u8fde\u63a5\u65b9\u5f0f\u3002\u5b83\u4eec\u7684\u533a\u522b\u5728\u4e8e\uff0cRS232\u662f\u4e00\u79cd\u5355\u5411\u4f20\u8f93\u6280\u672f\uff0c\u53ea\u80fd\u7528\u4e8e\u8fde\u63a5\u4e00\u53f0\u7535\u8111\u4e0e\u4e00\u53f0\u5916\u90e8\u8bbe\u5907\uff1b\u800cRS485\u662f\u4e00\u79cd\u53cc\u5411\u4f20\u8f93\u6280\u672f\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u53f0\u7535\u8111\u4e0e\u591a\u53f0\u5916\u90e8\u8bbe\u5907\u3002<\/p>\n<h3 style=\"text-align: center;\">RS232\u7684\u4f18\u70b9<\/h3>\n<ul>\n<li>\u901a\u4fe1\u8ddd\u79bb\u77ed\uff0c\u53ef\u4ee5\u8fbe\u523050\u7c73\uff1b<\/li>\n<li>\u901a\u4fe1\u901f\u7387\u8f83\u5feb\uff0c\u53ef\u4ee5\u8fbe\u5230115200bps\uff1b<\/li>\n<li>\u53ef\u4ee5\u63d0\u4f9b\u5b8c\u6574\u7684\u6570\u636e\u53d1\u9001\u548c\u63a5\u6536\u529f\u80fd\uff1b<\/li>\n<li>\u7b80\u5355\u6613\u7528\uff0c\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6\u7684RS232\u8fde\u63a5\u7ebf\u8fdb\u884c\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<h3 style=\"text-align: center;\">RS485\u7684\u4f18\u70b9<\/h3>\n<ul>\n<li>\u901a\u4fe1\u8ddd\u79bb\u957f\uff0c\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff1b<\/li>\n<li>\u901a\u4fe1\u901f\u7387\u8f83\u6162\uff0c\u53ef\u4ee5\u8fbe\u52309600bps\uff1b<\/li>\n<li>\u53ef\u4ee5\u63d0\u4f9b\u5b8c\u6574\u7684\u6570\u636e\u53d1\u9001\u548c\u63a5\u6536\u529f\u80fd\uff1b<\/li>\n<li>\u53ef\u4ee5\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u70b9\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">\u65e0\u6e90232\u8f6c485\u6ca1\u53cd\u5e94\u7684\u539f\u56e0<\/h2>\n<p>&emsp;&emsp;\u7531\u4e8eRS232\u548cRS485\u7684\u5dee\u5f02\uff0c\u5728\u4f7f\u7528\u65e0\u6e90232\u8f6c485\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5f88\u5bb9\u6613\u51fa\u73b0\u65e0\u53cd\u5e94\u7684\u60c5\u51b5\u3002\u65e0\u6e90232\u8f6c485\u662f\u4e00\u79cd\u7528\u4e8e\u8fde\u63a5RS232\u8bbe\u5907\u4e0eRS485\u8bbe\u5907\u7684\u8f6c\u6362\u5668\uff0c\u5b83\u53ef\u4ee5\u5c06RS232\u4fe1\u53f7\u8f6c\u6362\u6210RS485\u4fe1\u53f7\uff0c\u4ece\u800c\u4f7fRS232\u8bbe\u5907\u53ef\u4ee5\u4e0eRS485\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u3002\u4f46\u662f\uff0c\u7531\u4e8eRS232\u548cRS485\u7684\u5dee\u5f02\uff0c\u5728\u4f7f\u7528\u65e0\u6e90232\u8f6c485\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5f88\u5bb9\u6613\u51fa\u73b0\u65e0\u53cd\u5e94\u7684\u60c5\u51b5\u3002\u4e3b\u8981\u539f\u56e0\u5982\u4e0b\uff1a<\/p>\n<h3 style=\"text-align: center;\">1. \u7535\u6e90\u95ee\u9898<\/h3>\n<p>&emsp;&emsp;\u5982\u679c\u65e0\u6e90232\u8f6c485\u6ca1\u6709\u83b7\u5f97\u8db3\u591f\u7684\u7535\u6e90\uff0c\u90a3\u4e48\u5b83\u5c31\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\uff0c\u56e0\u6b64\u4f1a\u51fa\u73b0\u6ca1\u6709\u53cd\u5e94\u7684\u60c5\u51b5\u3002<\/p>\n<h3 style=\"text-align: center;\">2. \u63a5\u53e3\u95ee\u9898<\/h3>\n<p>&emsp;&emsp;\u5982\u679c\u65e0\u6e90232\u8f6c485\u7684\u63a5\u53e3\u6709\u95ee\u9898\uff0c\u6bd4\u5982\u63a5\u53e3\u4e0d\u5339\u914d\uff0c\u6216\u8005\u63a5\u53e3\u6709\u6742\u7269\u963b\u6321\uff0c\u90a3\u4e48\u5b83\u4e5f\u4f1a\u51fa\u73b0\u6ca1\u6709\u53cd\u5e94\u7684\u60c5\u51b5\u3002<\/p>\n<h3 style=\"text-align: center;\">3. \u7535\u7f06\u95ee\u9898<\/h3>\n<p>&emsp;&emsp;\u5982\u679c\u65e0\u6e90232\u8f6c485\u7684\u7535\u7f06\u6709\u95ee\u9898\uff0c\u6bd4\u5982\u7535\u7f06\u635f\u574f\u6216\u8005\u7535\u7f06\u957f\u5ea6\u4e0d\u591f\uff0c\u90a3\u4e48\u5b83\u4e5f\u4f1a\u51fa\u73b0\u6ca1\u6709\u53cd\u5e94\u7684\u60c5\u51b5\u3002<\/p>\n<h2 style=\"text-align: center;\">\u5982\u4f55\u89e3\u51b3\u65e0\u6e90232\u8f6c485\u6ca1\u53cd\u5e94\u7684\u95ee\u9898<\/h2>\n<p>&emsp;&emsp;\u5f53\u51fa\u73b0\u65e0\u6e90232\u8f6c485\u6ca1\u53cd\u5e94\u7684\u60c5\u51b5\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u89e3\u51b3\uff1a<\/p>\n<h3 style=\"text-align: center;\">1. \u68c0\u67e5\u7535\u6e90<\/h3>\n<p>&emsp;&emsp;\u9996\u5148\uff0c\u5e94\u8be5\u68c0\u67e5\u65e0\u6e90232\u8f6c485\u662f\u5426\u83b7\u5f97\u8db3\u591f\u7684\u7535\u6e90\uff0c\u5982\u679c\u6ca1\u6709\uff0c\u5e94\u8be5\u5c1d\u8bd5\u66f4\u6362\u7535\u6e90\u6216\u8005\u68c0\u67e5\u7535\u6e90\u662f\u5426\u53ef\u7528\u3002<\/p>\n<h3 style=\"text-align: center;\">2. \u68c0\u67e5\u63a5\u53e3<\/h3>\n<p>&emsp;&emsp;\u5176\u6b21\uff0c\u5e94\u8be5\u68c0\u67e5\u65e0\u6e90232\u8f6c485\u7684\u63a5\u53e3\uff0c\u786e\u4fdd\u63a5\u53e3\u6ca1\u6709\u88ab\u6742\u7269\u963b\u6321\u6216\u8005\u63a5\u53e3\u662f\u5426\u5339\u914d\u3002<\/p>\n<h3 style=\"text-align: center;\">3. \u68c0\u67e5\u7535\u7f06<\/h3>\n<p>&emsp;&emsp;\u6700\u540e\uff0c\u5e94\u8be5\u68c0\u67e5\u65e0\u6e90232\u8f6c485\u7684\u7535\u7f06\uff0c\u786e\u4fdd\u7535\u7f06\u6ca1\u6709\u635f\u574f\uff0c\u6216\u8005\u7535\u7f06\u957f\u5ea6\u662f\u5426\u8db3\u591f\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>\u603b\u7684\u6765\u8bf4\uff0c\u5728\u4f7f\u7528\u65e0\u6e90232\u8f6c485\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5f88\u5bb9\u6613\u51fa\u73b0\u65e0\u53cd\u5e94\u7684\u60c5\u51b5\u3002<\/strong>\u4e3b\u8981\u539f\u56e0\u662f\u7535\u6e90\u4e0d\u8db3\u3001\u63a5\u53e3\u4e0d\u5339\u914d\u6216\u8005\u7535\u7f06\u635f\u574f\u7b49\u3002\u5982\u679c\u51fa\u73b0\u65e0\u6e90232\u8f6c485\u6ca1\u53cd\u5e94\u7684\u60c5\u51b5\uff0c\u5e94\u8be5\u68c0\u67e5\u7535\u6e90\u3001\u63a5\u53e3\u548c\u7535\u7f06\uff0c\u4ee5\u786e\u4fdd\u5b83\u4eec\u90fd\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RS232\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u53e3\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u4eec\u662f\u4e00\u79cd\u7528\u4e8e\u8fde\u63a5\u7535\u8111\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u63a5\u53e3\uff0c\u662f\u8bb8\u591a\u73b0\u4ee3\u8bbe\u5907\u7684\u6807\u51c6\u8fde\u63a5\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u65e0\u6e90232\u8f6c485\u6ca1\u53cd\u5e94\u7684\u539f\u56e0\uff0c\u4ee5\u53ca\u5982<\/p>\n","protected":false},"author":1,"featured_media":3671,"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-33042","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/33042","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=33042"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/33042\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=33042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=33042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=33042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}