{"id":98081,"date":"2024-09-27T10:02:24","date_gmt":"2024-09-27T02:02:24","guid":{"rendered":"\/\/www.viralrail.com\/?p=98081"},"modified":"2024-09-27T10:02:40","modified_gmt":"2024-09-27T02:02:40","slug":"wxcsfassm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98081.html","title":{"rendered":"485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u662f\u4ec0\u4e48"},"content":{"rendered":"\n

\u3000\u3000485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848<\/strong>\u662f\u4e00\u79cd\u7528\u4e8e\u5c06RS485\u4fe1\u53f7\u8f6c\u6362\u4e3a\u65e0\u7ebf\u4fe1\u53f7\uff0c\u5e76\u901a\u8fc7\u65e0\u7ebf\u6280\u672f\u8fdb\u884c\u4f20\u8f93\uff0c\u6700\u540e\u518d\u5c06\u65e0\u7ebf\u4fe1\u53f7\u8f6c\u6362\u56deRS485\u4fe1\u53f7\u7684\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u79cd\u65b9\u6848\u4e3b\u8981\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0c\u4ee5\u63d0\u9ad8\u8bbe\u5907\u8fde\u63a5\u7684\u7075\u6d3b\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c485\u65e0\u7ebf\u4f20\u8f93\u6a21\u5757\u9996\u5148\u5c06RS485\u4fe1\u53f7\u53d8\u6362\u6210\u5dee\u5206\u4fe1\u53f7\uff0c\u7136\u540e\u901a\u8fc7\u65e0\u7ebf\u4fe1\u9053(\u5982Wi-Fi\u3001\u84dd\u7259\u3001Zigbee\u7b49)\u4f20\u8f93\u5230\u8fdc\u8ddd\u79bb\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u6291\u5236\u7535\u78c1\u5e72\u6270\u548c\u566a\u58f0\uff0c\u4f7f\u7528\u4e24\u6761\u901a\u4fe1\u7ebf\u8def\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u4e00\u6761\u7528\u4e8e\u53d1\u9001\u6b63\u5411\u4fe1\u53f7\uff0c\u53e6\u4e00\u6761\u7528\u4e8e\u63a5\u6536\u53cd\u5411\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0c485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5305\u62ecMODBUS RTU\u3001MODBUS ASCII\u548c\u81ea\u7531\u53e3\u534f\u8bae\uff0c\u9002\u7528\u4e8e\u70b9\u5bf9\u70b9\u548c\u70b9\u5bf9\u591a\u70b9\u7684\u901a\u4fe1\u6a21\u5f0f\u3002\u8fd9\u79cd\u65b9\u6848\u4e0d\u4ec5\u80fd\u591f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd8\u53ef\u4ee5\u5728\u65e0\u9700\u6316\u6c9f\u5e03\u7ebf\u7684\u60c5\u51b5\u4e0b\u5b8c\u6210\u5b89\u88c5\uff0c\u6781\u5927\u5730\u7b80\u5316\u4e86\u65bd\u5de5\u8fc7\u7a0b\u5e76\u964d\u4f4e\u4e86\u540e\u671f\u7ef4\u62a4\u6210\u672c\u3002<\/p>\n\n\n\n

\u3000\u3000485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u901a\u8fc7\u65e0\u7ebf\u6280\u672f\u66ff\u4ee3\u4f20\u7edf\u7684\u6709\u7ebf\u8fde\u63a5\uff0c\u4f7f\u5f97\u8bbe\u5907\u80fd\u591f\u5728\u6ca1\u6709\u7269\u7406\u8fde\u63a5\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u6570\u636e\u4ea4\u6362\uff0c\u4ece\u800c\u63d0\u5347\u4e86\u5de5\u4e1a\u81ea\u52a8\u5316\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u548c\u7075\u6d3b\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u4e2d\u4f7f\u7528\u7684\u65e0\u7ebf\u6280\u672f\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u7684\u5177\u4f53\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0cRS485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u4e2d\u4f7f\u7528\u7684\u65e0\u7ebf\u6280\u672f(\u5982Wi-Fi\u3001\u84dd\u7259\u3001Zigbee)\u6709\u591a\u79cd\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u3002<\/p>\n\n\n\n

\u3000\u3000Zigbee\u6280\u672f\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u4e3b\u8981\u7528\u4e8e\u4f4e\u529f\u8017\u3001\u9ad8\u7a33\u5b9a\u6027\u7684\u65e0\u7ebf\u901a\u4fe1\u3002\u4f8b\u5982\uff0c\u5728\u5de5\u4e1a\u8def\u7531\u5668\u4e2d\uff0cZigbee\u534f\u8bae\u88ab\u7528\u4e8e\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u4f4e\u6570\u636e\u901f\u7387\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u73af\u5883\u76d1\u6d4b\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u573a\u666f\u3002\u6b64\u5916\uff0cZigbee\u65e0\u7ebf\u7ec8\u7aef(\u5982IP-Link2220H)\u53ef\u4ee5\u5c06\u672c\u5730\u6709\u7ebf\u8fde\u63a5\u7684RS485\u7f51\u7edc\u6269\u5c55\u5230\u8fdc\u7aef\u63a7\u5236\u4e2d\u5fc3\uff0c\u626e\u6f14RS485\u4e0e\u65e0\u7ebf\u7f51\u7edc\u95f4\u7684\u7f51\u6865\u89d2\u8272\u3002<\/p>\n\n\n\n

\u3000\u3000\u84dd\u7259\u6280\u672f\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u4e3b\u8981\u7528\u4e8e\u751f\u4ea7\u7ebf\u4e0a\u7684\u8bbe\u5907\u4e92\u8054\u548c\u6570\u636e\u4f20\u8f93\u3002\u901a\u8fc7\u5c06\u751f\u4ea7\u7ebf\u4e0a\u7684\u5404\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230\u84dd\u7259\u7f51\u5173\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u5171\u4eab\u548c\u534f\u540c\u63a7\u5236\uff0c\u4ece\u800c\u4f18\u5316\u751f\u4ea7\u8fc7\u7a0b\u3002\u8bb8\u591a\u5de5\u4e1a\u4f01\u4e1a\u5df2\u7ecf\u91c7\u7528\u84dd\u7259\u7f51\u5173\u65b9\u6848\uff0c\u5c06\u4f20\u611f\u5668\u3001\u673a\u5668\u4eba\u7b49\u8bbe\u5907\u8fde\u63a5\u5230\u4e00\u4e2a\u7edf\u4e00\u7684\u7f51\u7edc\u4e2d\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u5b9e\u65f6\u4f20\u8f93\u548c\u4e92\u8054\uff0c\u5e2e\u52a9\u4f01\u4e1a\u66f4\u597d\u5730\u76d1\u63a7\u751f\u4ea7\u8fc7\u7a0b\u5e76\u8fdb\u884c\u667a\u80fd\u5316\u8c03\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u3000RS485\u65e0\u7ebf\u901a\u8baf\u6a21\u5757\u5e38\u7528\u4e8e\u5de5\u4e1a\u4ea7\u7ebf\u667a\u80fd\u5316\u65e0\u7ebf\u6280\u6539\u3001\u6570\u636e\u65e0\u7ebf\u4f20\u8f93\uff0c\u8bbe\u5907\u8fd0\u884c\u72b6\u6001\u65e0\u7ebf\u76d1\u6d4b\u548c\u63a7\u5236\u3002\u8fd9\u79cd\u6a21\u5757\u53ef\u4ee5\u76f4\u63a5\u66ff\u4ee3\u4f20\u7edf\u7684RS232\/RS485\u6709\u7ebf\u65b9\u6848\uff0c\u4e0e\u7ec4\u6001\u8f6f\u4ef6\u3001PLC\u3001\u89e6\u6478\u5c4f\u53ca\u667a\u80fd\u4eea\u8868\u8fde\u63a5\uff0c\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u65e0\u7ebf\u901a\u8baf\u3002\u4f8b\u5982\uff0c\u5728\u5316\u5de5\u5382\u3001\u6c34\u6ce5\u5382\u3001\u94a2\u5382\u548c\u7126\u5316\u5382\u7b49\u65e0\u7ebf\u6539\u9020\u9879\u76ee\u4e2d\uff0cRS485\u65e0\u7ebf\u901a\u8baf\u6a21\u5757\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8fdc\u7a0b\u81ea\u52a8\u63a7\u5236\u548c\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u5728\u4e0d\u540c\u5de5\u4e1a\u73af\u5883\u4e0b\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd?<\/h2>\n\n\n\n

\u3000\u3000\u8bc4\u4f30485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u5728\u4e0d\u540c\u5de5\u4e1a\u73af\u5883\u4e0b\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u9700\u8981\u4ece\u591a\u4e2a\u65b9\u9762\u8fdb\u884c\u7efc\u5408\u8003\u91cf\u3002\u9996\u5148\uff0c\u65e0\u7ebf485\u6a21\u5757\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u8bc4\u4f30\u9700\u8981\u8003\u8651\u5e94\u7528\u573a\u666f\u7684\u591a\u6837\u6027\u3001\u901a\u4fe1\u8ddd\u79bb\u548c\u4f20\u8f93\u6548\u7387\u3001\u901a\u4fe1\u534f\u8bae\u548c\u517c\u5bb9\u6027\u3001\u6570\u636e\u4f20\u8f93\u7684\u6b63\u786e\u6027\u548c\u901a\u4fe1\u534f\u8bae\u7684\u7b26\u5408\u6027\u3001\u52a0\u5bc6\u4f20\u8f93\u548c\u5b89\u5168\u6027\u3001\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u4ee5\u53ca\u6a21\u5757\u8bbe\u8ba1\u548c\u8d28\u91cf\u6d4b\u8bd5\u7b49\u591a\u4e2a\u65b9\u9762\u3002<\/p>\n\n\n\n

\u3000\u3000RS485\u4f5c\u4e3a\u4e00\u79cd\u591a\u70b9\u3001\u5dee\u5206\u6570\u636e\u4f20\u8f93\u7684\u7535\u6c14\u89c4\u8303\uff0c\u5176\u65e0\u7ebf\u7248\u672c\u901a\u8fc7\u65e0\u7ebf\u65b9\u5f0f\u5b9e\u73b0RS485\u901a\u4fe1\uff0c\u5177\u6709\u7a33\u5b9a\u3001\u53ef\u9760\u7b49\u7279\u6027\uff0c\u5e76\u4e14\u6446\u8131\u4e86\u6709\u7ebf\u7684\u675f\u7f1a\uff0c\u4f7f\u5f97\u8bbe\u5907\u53ef\u4ee5\u7075\u6d3b\u79fb\u52a8\uff0c\u4ece\u800c\u89e3\u51b3\u901a\u4fe1\u95ee\u9898\u3002\u65e0\u7ebfRS485\u6280\u672f\u76f8\u6bd4\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u6280\u672f(\u5982Wi-Fi\u3001\u84dd\u7259)\u5177\u6709\u9ad8\u53ef\u9760\u6027\u7684\u4f18\u52bf\uff0c\u56e0\u4e3a\u5b83\u4eec\u91c7\u7528\u5148\u8fdb\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u548c\u591a\u91cd\u5197\u4f59\u8bbe\u8ba1\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\uff0cRS485\u63a5\u53e3\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9700\u8981\u9ad8\u6570\u636e\u901f\u7387\u548c\u957f\u7535\u7f06\u8ddd\u79bb\u7684\u573a\u5408\uff0c\u4f8b\u5982\u5927\u578b\u5de5\u5382\u73af\u5883\u3002RS485\u63a5\u53e3\u53ef\u4ee5\u4f7f\u7528\u4e00\u5bf9\u4f20\u8f93\u7ebf\u5de5\u4f5c\u5728\u534a\u53cc\u5de5\u6a21\u5f0f\uff0c\u6216\u4f7f\u7528\u4e24\u5bf9\u7ebf\u5de5\u4f5c\u5728\u5168\u53cc\u5de5\u6a21\u5f0f\uff0c\u4ee5\u540c\u65f6\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u975e\u5e38\u7406\u60f3\u3002<\/p>\n\n\n\n

\u3000\u3000\u7136\u800c\uff0cRS485\u603b\u7ebf\u5728\u4e00\u4e9b\u8bbe\u8ba1\u53ca\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u7684\u7ec6\u8282\u95ee\u9898\u5904\u7406\u4e0d\u5f53\u4e5f\u53ef\u80fd\u5bfc\u81f4\u901a\u4fe1\u5931\u8d25\u751a\u81f3\u7cfb\u7edf\u762b\u75ea\uff0c\u56e0\u6b64\u63d0\u9ad8RS485\u603b\u7ebf\u7684\u8fd0\u884c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002\u6b64\u5916\uff0cRS485\u7cfb\u7edf\u7684\u5e38\u89c1\u6545\u969c\u53ca\u5904\u7406\u65b9\u6cd5\u4e5f\u662f\u8bc4\u4f30\u5176\u53ef\u9760\u6027\u7684\u91cd\u8981\u5185\u5bb9\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 485\u65e0\u7ebf\u4f20\u8f93\u5982\u4f55\u89e3\u51b3\u7535\u78c1\u5e72\u6270\u548c\u566a\u58f0\u95ee\u9898?<\/h2>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u73b0RS-485\u65e0\u7ebf\u4f20\u8f93\u65f6\uff0c\u89e3\u51b3\u7535\u78c1\u5e72\u6270\u548c\u566a\u58f0\u95ee\u9898\u7684\u65b9\u6cd5\u5305\u62ec\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u4f7f\u7528\u5c4f\u853d\u7ebf\u6216\u5c4f\u853d\u7f06<\/strong>\uff1a\u4e3a\u4e86\u51cf\u5c11\u7535\u78c1\u8026\u5408\u7684\u5f71\u54cd\uff0c\u53ef\u4ee5\u4f7f\u7528\u5c4f\u853d\u7ebf\u6216\u5c4f\u853d\u7f06\u6765\u4fdd\u62a4\u4fe1\u53f7\u7ebf\uff0c\u8fd9\u6709\u52a9\u4e8e\u964d\u4f4e\u7535\u78c1\u5e72\u6270\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u53cc\u7ede\u7ebf\u548c\u5c4f\u853d\u5c42<\/strong>\uff1a\u63a8\u8350\u4f7f\u7528\u53cc\u7ede\u7ebf\u5e76\u52a0\u88c5\u5c4f\u853d\u5c42\u4f5c\u4e3a\u5730\u7ebf\uff0c\u4ee5\u786e\u4fdd\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u826f\u597d\u7684\u63a5\u5730\u3002\u8fd9\u79cd\u65b9\u6cd5\u6709\u52a9\u4e8e\u51cf\u5c0f\u6570\u636e\u7ebf\u4e0a\u7684\u566a\u58f0\uff0c\u4ece\u800c\u964d\u4f4e\u7535\u78c1\u5e72\u6270\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u7535\u78c1\u5c4f\u853d<\/strong>\uff1a\u7535\u78c1\u5c4f\u853d\u662f\u4e00\u79cd\u6709\u6548\u51cf\u5c11\u7535\u78c1\u5e72\u6270\u7684\u6280\u672f\u3002\u901a\u8fc7\u5728\u7cfb\u7edf\u5468\u56f4\u4f7f\u7528\u5c4f\u853d\u6750\u6599\uff0c\u5982\u94c1\u7247\u6216\u94dd\u7b94\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u7535\u78c1\u5e72\u6270\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93<\/strong>\uff1aRS-485\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\uff0c\u8fd9\u79cd\u4f20\u8f93\u65b9\u5f0f\u80fd\u6709\u6548\u62b5\u6297\u5171\u6a21\u5e72\u6270\u548c\u566a\u58f0\uff0c\u7279\u522b\u9002\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u7a33\u5b9a\u6570\u636e\u901a\u4fe1\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u7535\u8def\u8bbe\u8ba1\u548c\u6ee4\u6ce2<\/strong>\uff1a\u7efc\u5408\u8003\u8651\u7535\u8def\u8bbe\u8ba1\u3001\u6ee4\u6ce2\u3001\u63a5\u5730\u7b49\u63aa\u65bd\uff0c\u4e5f\u662f\u89e3\u51b3\u7535\u78c1\u5e72\u6270\u7684\u6709\u6548\u65b9\u6cd5\u3002\u8fd9\u4e9b\u63aa\u65bd\u53ef\u4ee5\u8fdb\u4e00\u6b65\u964d\u4f4e\u5e72\u6270\u5bf9\u4fe1\u53f7\u4f20\u8f93\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u56db\u3001 485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u652f\u6301\u7684\u901a\u4fe1\u534f\u8bae\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u7f3a\u70b9<\/h2>\n\n\n\n

    \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u652f\u6301\u7684\u901a\u4fe1\u534f\u8bae\u5305\u62ecMODBUS RTU\u3001MODBUS ASCII\u548c\u81ea\u7531\u53e3\u534f\u8bae\u3002\u6bcf\u79cd\u534f\u8bae\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u7f3a\u70b9\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

    \u3000\u30001. MODBUS RTU<\/h3>\n\n\n\n

    \u3000\u3000\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000\u6570\u636e\u4f20\u8f93\u6548\u7387\u9ad8<\/strong>\uff1aMODBUS RTU\u6a21\u5f0f\u76f8\u5bf9\u4e8eASCII\u6a21\u5f0f\u5177\u6709\u66f4\u5feb\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0c\u9002\u5408\u9ad8\u901f\u901a\u8baf\u9700\u6c42\u3002<\/p>\n\n\n\n

    \u3000\u3000\u53ef\u9760\u6027\u9ad8<\/strong>\uff1a\u7531\u4e8e\u5176\u7b80\u5355\u6613\u7528\u548c\u9ad8\u5ea6\u517c\u5bb9\u6027\uff0c\u9002\u7528\u4e8e\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

    \u3000\u3000\u9ad8\u5ea6\u517c\u5bb9\u6027\u548c\u53ef\u6269\u5c55\u6027<\/strong>\uff1a\u9002\u7528\u4e8e\u8fdc\u8ddd\u79bb\u901a\u4fe1\uff0c\u4e14\u80fd\u591f\u9002\u5e94\u591a\u79cd\u4e0d\u540c\u7684\u7f51\u7edc\u73af\u5883\u3002<\/p>\n\n\n\n

    \u3000\u3000\u7f3a\u70b9\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000\u4f20\u8f93\u901f\u7387\u6709\u9650<\/strong>\uff1a\u5c3d\u7ba1\u4f20\u8f93\u6548\u7387\u8f83\u9ad8\uff0c\u4f46\u5176\u901f\u7387\u4ecd\u7136\u6709\u9650\uff0c\u4e0d\u9002\u5408\u9700\u8981\u6781\u9ad8\u901f\u5ea6\u4f20\u8f93\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n

    \u3000\u3000\u7f3a\u4e4f\u5b89\u5168\u673a\u5236<\/strong>\uff1a\u6ca1\u6709\u5185\u7f6e\u7684\u5b89\u5168\u673a\u5236\uff0c\u4e0d\u9002\u5408\u5927\u89c4\u6a21\u7cfb\u7edf\u6216\u9700\u8981\u9ad8\u5b89\u5168\u6027\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

    \u3000\u30002. MODBUS ASCII<\/h3>\n\n\n\n

    \u3000\u3000\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000\u8c03\u8bd5\u548c\u6545\u969c\u6392\u67e5\u5bb9\u6613<\/strong>\uff1a\u7531\u4e8e\u4f20\u8f93\u7684\u6570\u636e\u662f\u53ef\u89c1\u7684ASCII\u5b57\u7b26\uff0c\u8c03\u8bd5\u9636\u6bb5\u66f4\u52a0\u76f4\u89c2\uff0cLRC\u6821\u9a8c\u7a0b\u5e8f\u4e5f\u8f83\u5bb9\u6613\u7f16\u5199\u3002<\/p>\n\n\n\n

    \u3000\u3000\u517c\u5bb9\u6027\u5f3a<\/strong>\uff1a\u80fd\u591f\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u6570\u636e\u683c\u5f0f\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u7f51\u7edc\u534f\u8bae\u3002<\/p>\n\n\n\n

    \u3000\u3000\u7f3a\u70b9\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000\u4f20\u8f93\u6548\u7387\u4f4e<\/strong>\uff1a\u7531\u4e8e\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236ASCII\u5b57\u7b26\u4e32\u8fdb\u884c\u4f20\u8f93\uff0c\u5bfc\u81f4\u4f20\u8f93\u6548\u7387\u8f83\u4f4e\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5b9e\u73b0\u6210\u672c\u8f83\u9ad8<\/strong>\uff1a\u9700\u8981\u4e13\u95e8\u7684\u786c\u4ef6\u6765\u652f\u6301\uff0c\u589e\u52a0\u4e86\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u6210\u672c\u3002<\/p>\n\n\n\n

    \u3000\u30003. \u81ea\u7531\u53e3\u534f\u8bae<\/h3>\n\n\n\n

    \u3000\u3000\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000\u9ad8\u901f\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93<\/strong>\uff1a\u901a\u8fc7\u81ea\u7531\u53e3(FIFO)\u7f13\u51b2\u533a\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u901f\u3001\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

    \u3000\u3000\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\u548c\u7f51\u7edc\u534f\u8bae<\/strong>\uff1a\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u6570\u636e\u683c\u5f0f\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u7f51\u7edc\u534f\u8bae\u3002<\/p>\n\n\n\n

    \u3000\u3000\u7f3a\u70b9\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000\u5b9e\u73b0\u6210\u672c\u8f83\u9ad8<\/strong>\uff1a\u9700\u8981\u4e13\u95e8\u7684\u786c\u4ef6\u6765\u652f\u6301\uff0c\u589e\u52a0\u4e86\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u6210\u672c\u3002<\/p>\n\n\n\n

    \u3000\u3000\u53d1\u9001\u548c\u63a5\u6536\u4e0d\u53ef\u540c\u65f6\u8fdb\u884c<\/strong>\uff1aRS485\u4e3a\u534a\u53cc\u5de5\u63a5\u53e3\uff0c\u53d1\u9001\u548c\u63a5\u6536\u4e0d\u80fd\u540c\u65f6\u8fdb\u884c\uff0c\u8fd9\u53ef\u80fd\u9650\u5236\u67d0\u4e9b\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    485\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\u662f\u4e00\u79cd\u7528\u4e8e\u5c06RS485\u4fe1\u53f7\u8f6c\u6362\u4e3a\u65e0\u7ebf\u4fe1\u53f7\uff0c\u5e76\u901a\u8fc7\u65e0\u7ebf\u6280\u672f\u8fdb\u884c\u4f20\u8f93\uff0c\u6700\u540e\u518d\u5c06\u65e0\u7ebf\u4fe1\u53f7\u8f6c\u6362\u56deRS485\u4fe1\u53f7\u7684\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u79cd\u65b9\u6848\u4e3b\u8981\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df<\/p>\n","protected":false},"author":1,"featured_media":93620,"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-98081","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98081"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=98081"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98081\/revisions"}],"predecessor-version":[{"id":98082,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98081\/revisions\/98082"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/93620"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=98081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=98081"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=98081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}