{"id":98987,"date":"2024-11-08T22:18:31","date_gmt":"2024-11-08T14:18:31","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=98987"},"modified":"2024-11-08T22:18:36","modified_gmt":"2024-11-08T14:18:36","slug":"rycsbgzyl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/98987.html","title":{"rendered":"RS485\u8fdc\u4f20\u6c34\u8868\u5de5\u4f5c\u539f\u7406"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"https:\/\/www.techphant.cn\/blog\/94115.html\" data-type=\"post\" data-id=\"94115\">RS485<\/a>\u8fdc\u4f20\u6c34\u8868\u7684\u5de5\u4f5c\u539f\u7406\u4e3b\u8981\u5305\u62ec\u6570\u636e\u91c7\u96c6\u3001\u4f20\u8f93\u548c\u5904\u7406\u4e09\u4e2a\u6b65\u9aa4\u3002<\/strong>\u9996\u5148\uff0c\u6c34\u6d41\u91cf\u901a\u8fc7\u8ba1\u91cf\u673a\u6784\u8fdb\u884c\u6d4b\u91cf\uff0c\u4f20\u611f\u5668\u5c06\u68c0\u6d4b\u5230\u7684\u7535\u4fe1\u53f7\u53d1\u9001\u5230\u5fae\u5904\u7406\u5668\u4e2d\u8fdb\u884c\u5904\u7406\u3002\u7136\u540e\uff0c\u8fd9\u4e9b\u6570\u636e\u901a\u8fc7RS485\u901a\u4fe1\u63a5\u53e3\u8fdb\u884c\u4f20\u8f93\u3002RS485\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5177\u6709\u9ad8\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\u3002\u5b83\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u548c\u591a\u4e3b\u673a\u5171\u4eab\u603b\u7ebf\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u70b9\u5bf9\u70b9\u548c\u591a\u70b9\u901a\u4fe1\u3002\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0cRS485\u901a\u4fe1\u7f51\u7edc\u4e00\u822c\u91c7\u7528\u534a\u53cc\u5de5\u901a\u4fe1\u65b9\u5f0f\uff0c\u901a\u8fc7\u4e24\u7ebf\u5236\u7684\u5c4f\u853d\u53cc\u7ede\u7ebf\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u6700\u540e\uff0c\u6570\u636e\u88ab\u4f20\u8f93\u5230\u96c6\u4e2d\u5668\u6216\u624b\u6301\u6284\u8868\u5668\u7b49\u8bbe\u5907\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u548c\u5206\u6790\u3002\u8fd9\u79cd\u5de5\u4f5c\u65b9\u5f0f\u4f7f\u5f97RS485\u8fdc\u4f20\u6c34\u8868\u80fd\u591f\u5b9e\u73b0\u8fdc\u7a0b\u76d1\u63a7\u548c\u6570\u636e\u4f20\u8f93\uff0c\u63d0\u9ad8\u4e86\u6570\u636e\u91c7\u96c6\u7684\u6548\u7387\u548c\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 RS485\u8fdc\u4f20\u6c34\u8868\u4e2d\u4f7f\u7528\u7684\u4f20\u611f\u5668\u7c7b\u578b\u548c\u5de5\u4f5c\u539f\u7406\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000RS485<a href=\"https:\/\/www.techphant.cn\/blog\/64593.html\" data-type=\"post\" data-id=\"64593\">\u8fdc\u4f20\u6c34\u8868<\/a>\u4e2d\u4f7f\u7528\u7684\u4f20\u611f\u5668\u7c7b\u578b\u548c\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000RS485\u8fdc\u4f20\u6c34\u8868\u901a\u5e38\u91c7\u7528\u591a\u79cd\u7c7b\u578b\u7684\u4f20\u611f\u5668\u6765\u6d4b\u91cf\u6c34\u6d41\u91cf\u3002\u8fd9\u4e9b\u4f20\u611f\u5668\u5305\u62ec\u6da1\u8f6e\u4f20\u611f\u5668\u3001\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u548c\u7535\u78c1\u4f20\u611f\u5668\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u975e\u63a5\u89e6\u611f\u5e94\u5f0f\u7535\u5b50\u4f20\u611f\u5668\uff0c\u5229\u7528\u65e0\u78c1\u4fe1\u53f7\u68c0\u6d4b\u6280\u672f\u76f4\u63a5\u8bfb\u53d6\u6d41\u91cf\u8ba1\u53f6\u8f6e\u8f6c\u52a8\u5708\u6570\u4fe1\u53f7\uff0c\u5e76\u5bf9\u8f6c\u901f\u8fdb\u884c\u6d41\u91cf\u4fee\u6b63\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5de5\u4f5c\u539f\u7406<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6da1\u8f6e\u4f20\u611f\u5668<\/strong>\uff1a\u901a\u8fc7\u6c34\u6d41\u9a71\u52a8\u6da1\u8f6e\u65cb\u8f6c\uff0c\u6da1\u8f6e\u7684\u65cb\u8f6c\u901f\u5ea6\u4e0e\u6c34\u6d41\u901f\u5ea6\u6210\u6b63\u6bd4\uff0c\u4ece\u800c\u6d4b\u91cf\u6c34\u6d41\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8d85\u58f0\u6ce2\u4f20\u611f\u5668<\/strong>\uff1a\u5229\u7528\u8d85\u58f0\u6ce2\u5728\u6d41\u4f53\u4e2d\u7684\u4f20\u64ad\u7279\u6027\uff0c\u901a\u8fc7\u53d1\u5c04\u548c\u63a5\u6536\u8d85\u58f0\u6ce2\u4fe1\u53f7\u7684\u65f6\u95f4\u5dee\u6765\u8ba1\u7b97\u6c34\u6d41\u901f\u5ea6\u548c\u6d41\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7535\u78c1\u4f20\u611f\u5668<\/strong>\uff1a\u57fa\u4e8e\u6cd5\u62c9\u7b2c\u7535\u78c1\u611f\u5e94\u5b9a\u5f8b\uff0c\u6c34\u6d41\u901a\u8fc7\u7535\u78c1\u573a\u65f6\u4f1a\u4ea7\u751f\u611f\u5e94\u7535\u538b\uff0c\u611f\u5e94\u7535\u538b\u7684\u5927\u5c0f\u4e0e\u6c34\u6d41\u901f\u5ea6\u6210\u6b63\u6bd4\uff0c\u4ece\u800c\u6d4b\u91cf\u6d41\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u975e\u63a5\u89e6\u611f\u5e94\u5f0f\u7535\u5b50\u4f20\u611f\u5668<\/strong>\uff1a\u91c7\u7528\u65e0\u78c1\u4fe1\u53f7\u68c0\u6d4b\u6280\u672f\uff0c\u76f4\u63a5\u8bfb\u53d6\u6d41\u91cf\u8ba1\u53f6\u8f6e\u8f6c\u52a8\u5708\u6570\u4fe1\u53f7\uff0c\u5e76\u5bf9\u8f6c\u901f\u8fdb\u884c\u6d41\u91cf\u4fee\u6b63\uff0c\u63d0\u9ad8\u6d41\u91cf\u68c0\u6d4b\u7684\u7cbe\u51c6\u5ea6\u548c\u5206\u8fa8\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 RS485\u901a\u4fe1\u6807\u51c6\u7684\u5177\u4f53\u6280\u672f\u53c2\u6570\u548c\u4f18\u52bf\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000RS485\u901a\u4fe1\u6807\u51c6\u5177\u6709\u591a\u79cd\u6280\u672f\u53c2\u6570\u548c\u4f18\u52bf\uff0c\u4f7f\u5176\u5728\u5de5\u4e1a\u548c\u6570\u636e\u4f20\u8f93\u9886\u57df\u4e2d\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u6280\u672f\u53c2\u6570<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93<\/strong>\uff1aRS485\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u901a\u8fc7\u4e24\u4e2a\u4fe1\u53f7\u7ebf(A\u7ebf\u548cB\u7ebf)\u6765\u4f20\u8f93\u6570\u636e\uff0c\u5176\u4e2dA\u7ebf\u4f20\u8f93\u6b63\u4fe1\u53f7\uff0cB\u7ebf\u4f20\u8f93\u8d1f\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u903b\u8f91\u7535\u5e73<\/strong>\uff1a\u903b\u8f911\u7684\u7535\u538b\u8303\u56f4\u4e3a+2V\u81f3+6V\uff0c\u903b\u8f910\u7684\u7535\u538b\u8303\u56f4\u4e3a-6V\u81f3-2V\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6700\u5927\u6570\u636e\u901f\u7387<\/strong>\uff1a\u5728\u77ed\u8ddd\u79bb(\u598240\u82f1\u5c3a)\u4e0b\uff0c\u6700\u5927\u6570\u636e\u901f\u7387\u4e3a10Mbps;\u800c\u5728\u957f\u8ddd\u79bb(\u5982100kbps)\u4e0b\uff0c\u6700\u5927\u7535\u7f06\u957f\u5ea6\u53ef\u8fbe4000\u82f1\u5c3a\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6700\u5927\u4f20\u8f93\u8ddd\u79bb<\/strong>\uff1aRS485\u603b\u7ebf\u6700\u957f\u53ef\u4ee5\u4f20\u8f93\u8d85\u8fc71200\u7c73\uff0c\u7279\u522b\u662f\u5728\u901f\u7387\u2264100Kbps\u7684\u60c5\u51b5\u4e0b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u70b9\u901a\u4fe1\u80fd\u529b<\/strong>\uff1a\u652f\u6301\u6700\u591a32\u4e2a\u8282\u70b9\u8fde\u63a5\u5728\u540c\u4e00\u603b\u7ebf\u4e0a\uff0c\u5e76\u4e14\u80fd\u591f\u627f\u53d7\u7ebf\u8def\u7ade\u4e89\u60c5\u51b5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7535\u6e90\u4f9b\u7535<\/strong>\uff1a\u901a\u5e38\u4f7f\u7528\u5355\u4e2a+5V\u7535\u6e90\u4f9b\u7535\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5171\u6a21\u8303\u56f4<\/strong>\uff1a\u5171\u6a21\u8303\u56f4\u4e3a-7V\u81f3+12V\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u4f18\u52bf<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1a\u7531\u4e8e\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0cRS485\u5177\u6709\u826f\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u9002\u5408\u5728\u5608\u6742\u73af\u5883\u4e2d\u8fdb\u884c\u957f\u8ddd\u79bb\u7f51\u7edc\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u70b9\u901a\u4fe1<\/strong>\uff1a\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u591a\u4e2a\u8bbe\u5907\u53ef\u4ee5\u8fde\u63a5\u5230\u540c\u4e00\u603b\u7ebf\uff0c\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u4e8e\u9700\u8981\u591a\u4e2a\u8bbe\u5907\u5171\u4eab\u6570\u636e\u7684\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7075\u6d3b\u6027\u9ad8<\/strong>\uff1aRS485\u652f\u6301\u4e24\u7ebf\u5236\u548c\u56db\u7ebf\u5236\u4e24\u79cd\u63a5\u7ebf\u65b9\u5f0f\u3002\u867d\u7136\u56db\u7ebf\u5236\u8f83\u5c11\u91c7\u7528\uff0c\u4f46\u4e24\u7ebf\u5236\u63a5\u7ebf\u65b9\u5f0f\u66f4\u4e3a\u5e38\u89c1\uff0c\u9002\u7528\u4e8e\u603b\u7ebf\u5f0f\u62d3\u6251\u7ed3\u6784\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e7f\u6cdb\u7684\u5e94\u7528\u9886\u57df<\/strong>\uff1aRS485\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf\u3001\u667a\u80fd\u697c\u5b87\u7cfb\u7edf\u548c\u7535\u529b\u7cfb\u7edf\u7b49\u9886\u57df\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u5b9e\u73b0RS485\u8fdc\u4f20\u6c34\u8868\u7684\u957f\u8ddd\u79bb\u7a33\u5b9a\u901a\u4fe1?<\/h2>\n\n\n\n<p>\u3000\u3000\u8981\u5b9e\u73b0RS485\u8fdc\u4f20\u6c34\u8868\u7684\u957f\u8ddd\u79bb\u7a33\u5b9a\u901a\u4fe1\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93<\/strong>\uff1aRS485\u901a\u4fe1\u534f\u8bae\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u5373\u4f7f\u7528\u4e24\u6839\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u62b5\u6297\u7535\u78c1\u5e72\u6270\uff0c\u5e76\u5b9e\u73b0\u8f83\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u589e\u52a0\u4e2d\u7ee7\u5668<\/strong>\uff1a\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u589e\u52a0\u4e2d\u7ee7\u5668\u6765\u653e\u5927\u4fe1\u53f7\u5e76\u5ef6\u957f\u4f20\u8f93\u8ddd\u79bb\u3002\u4e2d\u7ee7\u5668\u80fd\u591f\u6709\u6548\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\u5e76\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u62d3\u6251\u7ed3\u6784<\/strong>\uff1aRS485\u901a\u5e38\u91c7\u7528\u4e24\u7ebf\u5236\u63a5\u7ebf\u65b9\u5f0f\uff0c\u8fd9\u79cd\u63a5\u7ebf\u65b9\u5f0f\u4e3a\u603b\u7ebf\u62d3\u6251\u7ed3\u6784\uff0c\u5728\u540c\u4e00\u603b\u7ebf\u4e0a\u6700\u591a\u53ef\u4ee5\u6302\u63a532\u4e2a\u8282\u70b9\u3002\u901a\u8fc7\u5408\u7406\u8bbe\u8ba1\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff0c\u53ef\u4ee5\u63d0\u9ad8\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f7f\u7528\u4ee5\u592a\u7f51\u6216\u5149\u7ea4\u6280\u672f<\/strong>\uff1aRS485\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u6709\u6548\u5730\u652f\u6301\u5927\u91cf\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u8f83\u957f\u7684\u8ddd\u79bb\u5185\u5b9e\u73b0\u9ad8\u901f\u4f20\u8f93\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u592a\u7f51\u3001\u5149\u7ea4\u7b49\u6280\u672f\u5b9e\u73b0\u66f4\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 RS485\u8fdc\u4f20\u6c34\u8868\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u7684\u6280\u672f\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u3000\u3000RS485\u8fdc\u4f20\u6c34\u8868\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u6280\u672f\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul 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