{"id":20968,"date":"2023-09-15T11:56:07","date_gmt":"2023-09-15T03:56:07","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=20968"},"modified":"2023-09-15T11:56:07","modified_gmt":"2023-09-15T03:56:07","slug":"smsx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/20968.html","title":{"rendered":"\u4ec0\u4e48\u662f485\u7ebf"},"content":{"rendered":"

  RS-485\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5728\u4e00\u4e2a\u62e5\u6709\u591a\u4e2a\u8282\u70b9\u7684\u7f51\u7edc\u4e2d\u8ba9\u6bcf\u4e2a\u8282\u70b9\u8fdb\u884c\u901a\u4fe1\u3002\u5b83\u662f\u4e00\u79cd\u975e\u5e38\u6d41\u884c\u7684\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\uff0c\u7528\u4e8e\u8fde\u63a5\u4f20\u611f\u5668\u3001\u63a7\u5236\u5668\u3001\u63a7\u5236\u5668\u548c\u5176\u4ed6\u8bbe\u5907\u3002\u5b83\u662f\u4e00\u79cd\u53ef\u9760\u7684\u3001\u53ef\u6269\u5c55\u7684\u3001\u53ef\u7528\u4e8e\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u5728\u6781\u4f4e\u7684\u6210\u672c\u4e0b\u5b9e\u73b0\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n

485\u7ebf\u7684\u4f18\u52bf<\/h2>\n

  RS-485\u7ebf\u7684\u6700\u5927\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8282\u70b9\uff0c\u800c\u4e14\u6bcf\u4e2a\u8282\u70b9\u90fd\u53ef\u4ee5\u5728\u7ebf\u4e0a\u8fdb\u884c\u901a\u4fe1\u3002\u5b83\u8fd8\u53ef\u4ee5\u652f\u6301\u8de8\u8d8a\u5927\u8ddd\u79bb\u7684\u8fde\u63a5\uff0c\u6700\u591a\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u6bd4\u5176\u4ed6\u7c7b\u578b\u7684\u7ebf\u8def\u66f4\u80fd\u652f\u6301\u66f4\u591a\u7684\u8282\u70b9\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u534f\u8bae\uff0c\u6bd4\u5982Modbus\u3001Profibus\u548cDeviceNet\u7b49\u3002<\/p>\n

485\u7ebf\u7684\u7279\u6027<\/h3>\n

  RS-485\u7ebf\u7684\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\u7684\u7406\u60f3\u9009\u62e9\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u9ad8\u901f\u901a\u4fe1\uff0c\u6700\u9ad8\u53ef\u8fbe10 Mbps\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u534f\u8bae\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8282\u70b9\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u53ef\u4ee5\u652f\u6301\u8de8\u8d8a\u5927\u8ddd\u79bb\u7684\u8fde\u63a5\uff0c\u6700\u591a\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u6bd4\u5176\u4ed6\u7c7b\u578b\u7684\u7ebf\u8def\u66f4\u80fd\u652f\u6301\u66f4\u591a\u7684\u8282\u70b9\u3002<\/p>\n

485\u7ebf\u7684\u5e94\u7528<\/h3>\n

  RS-485\u7ebf\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u5e94\u7528\uff0c\u5305\u62ec\u5de5\u4e1a\u63a7\u5236\u3001\u5b89\u5168\u76d1\u63a7\u3001\u80fd\u91cf\u7ba1\u7406\u3001\u8ba1\u91cf\u6d4b\u91cf\u3001\u4f20\u611f\u5668\u7f51\u7edc\u3001\u73af\u5883\u76d1\u63a7\u7b49\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u4f20\u611f\u5668\u3001\u63a7\u5236\u5668\u3001\u63a7\u5236\u5668\u548c\u5176\u4ed6\u8bbe\u5907\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u4e0d\u540c\u7684\u534f\u8bae\uff0c\u6bd4\u5982Modbus\u3001Profibus\u548cDeviceNet\u7b49\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u53ef\u4ee5\u652f\u6301\u8de8\u8d8a\u5927\u8ddd\u79bb\u7684\u8fde\u63a5\uff0c\u6700\u591a\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u6bd4\u5176\u4ed6\u7c7b\u578b\u7684\u7ebf\u8def\u66f4\u80fd\u652f\u6301\u66f4\u591a\u7684\u8282\u70b9\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS-485\u662f\u4e00\u79cd\u53ef\u9760\u7684\u3001\u53ef\u6269\u5c55\u7684\u3001\u53ef\u7528\u4e8e\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u5728\u6781\u4f4e\u7684\u6210\u672c\u4e0b\u5b9e\u73b0\u7f51\u7edc\u8fde\u63a5\u3002<\/strong>\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8282\u70b9\uff0c\u6bcf\u4e2a\u8282\u70b9\u90fd\u53ef\u4ee5\u5728\u7ebf\u4e0a\u8fdb\u884c\u901a\u4fe1\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u534f\u8bae\uff0c\u6bd4\u5982Modbus\u3001Profibus\u548cDeviceNet\u7b49\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u53ef\u4ee5\u652f\u6301\u8de8\u8d8a\u5927\u8ddd\u79bb\u7684\u8fde\u63a5\uff0c\u6700\u591a\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u6bd4\u5176\u4ed6\u7c7b\u578b\u7684\u7ebf\u8def\u66f4\u80fd\u652f\u6301\u66f4\u591a\u7684\u8282\u70b9\u3002\u56e0\u6b64\uff0cRS-485\u7ebf\u6210\u4e3a\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS-485\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5728\u4e00\u4e2a\u62e5\u6709\u591a\u4e2a\u8282\u70b9\u7684\u7f51\u7edc\u4e2d\u8ba9\u6bcf\u4e2a\u8282\u70b9\u8fdb\u884c\u901a\u4fe1\u3002\u5b83\u662f\u4e00\u79cd\u975e\u5e38\u6d41\u884c\u7684\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\uff0c\u7528\u4e8e\u8fde\u63a5\u4f20\u611f\u5668\u3001\u63a7\u5236\u5668\u3001\u63a7\u5236\u5668\u548c\u5176\u4ed6\u8bbe\u5907\u3002\u5b83\u662f\u4e00\u79cd\u53ef\u9760<\/p>\n","protected":false},"author":1,"featured_media":3671,"comment_status":"closed","ping_status":"open","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-20968","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\/20968","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=20968"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20968\/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=20968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=20968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=20968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}