{"id":26222,"date":"2023-09-09T23:04:58","date_gmt":"2023-09-09T15:04:58","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=26222"},"modified":"2023-09-09T23:05:02","modified_gmt":"2023-09-09T15:05:02","slug":"smsrjk","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/26222.html","title":{"rendered":"\u4ec0\u4e48\u662fRS485\u63a5\u53e3?"},"content":{"rendered":"\n<p>\u3000\u3000RS485\u63a5\u53e3\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u5177\u5907\u591a\u70b9\u901a\u4fe1\u80fd\u529b\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u697c\u5b87\u81ea\u63a7\u3001\u6570\u636e\u91c7\u96c6\u7b49\u9886\u57df\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRS485\u63a5\u53e3\u7684\u57fa\u672c\u539f\u7406\u3001\u7279\u70b9\u548c\u5e94\u7528\uff0c\u5e76\u63a2\u8ba8\u5176\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001RS485\u63a5\u53e3\u7684\u57fa\u672c\u539f\u7406<\/h2>\n\n\n\n<p>\u3000\u3000<strong>RS485\u63a5\u53e3\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\uff0c\u5373\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u5206\u522b\u4f7f\u7528\u4e24\u6839\u4fe1\u53f7\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5176\u4e2d\u4e00\u6839\u7ebf\u4e3a\u6b63\u5411\u4fe1\u53f7\u7ebf(A\u7ebf)\uff0c\u53e6\u4e00\u6839\u7ebf\u4e3a\u53cd\u5411\u4fe1\u53f7\u7ebf(B\u7ebf)\u3002<\/strong>\u901a\u8fc7\u5728\u4e24\u6839\u4fe1\u53f7\u7ebf\u4e0a\u7684\u7535\u5e73\u5dee\u5f02\u6765\u8868\u793a\u4e8c\u8fdb\u5236\u6570\u636e\u76840\u548c1.RS485\u63a5\u53e3\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u5373\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001RS485\u63a5\u53e3\u7684\u7279\u70b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u30001. \u591a\u70b9\u901a\u4fe1\u80fd\u529b\uff1aRS485\u63a5\u53e3\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u901a\u8fc7\u540c\u4e00\u6839\u603b\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u5730\u5740\uff0c\u53ef\u4ee5\u5b9e\u73b0\u70b9\u5bf9\u70b9\u6216\u591a\u70b9\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u30002. \u6297\u5e72\u6270\u80fd\u529b\uff1aRS485\u63a5\u53e3\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u6709\u6548\u62b5\u6297\u7535\u78c1\u5e72\u6270\u548c\u566a\u58f0\u5e72\u6270\uff0c\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u30003. \u957f\u8ddd\u79bb\u4f20\u8f93\uff1aRS485\u63a5\u53e3\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\uff0c\u9002\u7528\u4e8e\u5927\u578b\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u548c\u697c\u5b87\u81ea\u63a7\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u3000\u30004. \u9ad8\u901f\u4f20\u8f93\uff1aRS485\u63a5\u53e3\u652f\u6301\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u901a\u5e38\u53ef\u8fbe\u523010Mbps\uff0c\u6ee1\u8db3\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"726\" height=\"450\" src=\"https:\/\/www.techphant.cn\/wp-content\/uploads\/2023\/09\/ac74f5fc-f228-4fe2-8080-e6c1ce717686-0.jpg\" alt=\"\u6570\u636e\u4f20\u8f93\" class=\"wp-image-25536\" srcset=\"https:\/\/www.techphant.cn\/wp-content\/uploads\/2023\/09\/ac74f5fc-f228-4fe2-8080-e6c1ce717686-0.jpg 726w, https:\/\/www.techphant.cn\/wp-content\/uploads\/2023\/09\/ac74f5fc-f228-4fe2-8080-e6c1ce717686-0-300x186.jpg 300w, https:\/\/www.techphant.cn\/wp-content\/uploads\/2023\/09\/ac74f5fc-f228-4fe2-8080-e6c1ce717686-0-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001RS485\u63a5\u53e3\u7684\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000<strong>1. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong>\uff1aRS485\u63a5\u53e3\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0c\u7528\u4e8e\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u6307\u4ee4\u7684\u4f20\u8f93\uff0c\u4f8b\u5982\u5de5\u5382\u751f\u4ea7\u7ebf\u7684\u76d1\u63a7\u7cfb\u7edf\u3001\u4eea\u8868\u4eea\u5668\u7684\u6570\u636e\u91c7\u96c6\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>2. 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