{"id":92035,"date":"2024-04-25T15:12:58","date_gmt":"2024-04-25T07:12:58","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=92035"},"modified":"2024-04-25T15:13:03","modified_gmt":"2024-04-25T07:13:03","slug":"rjkdy-4","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/92035.html","title":{"rendered":"RS422\u63a5\u53e3\u5b9a\u4e49"},"content":{"rendered":"\n

\u3000\u3000RS-422\u63a5\u53e3\u5b9a\u4e49<\/strong>\u662f\u4e00\u79cd\u57fa\u4e8e\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u6700\u521d\u7531\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1a(EIA)\u5236\u5b9a\u3002\u5b83\u5168\u79f0\u4e3a\u201c\u5e73\u8861\u7535\u538b\u6570\u5b57\u63a5\u53e3\u7535\u8def\u7684\u7535\u6c14\u7279\u6027\u201d\uff0c\u65e8\u5728\u5b9a\u4e49\u63a5\u53e3\u7535\u8def\u7684\u7279\u6027\u3002RS-422\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u5373\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u53d1\u9001\u548c\u63a5\u6536\u64cd\u4f5c\uff0c\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6570\u636e\uff0c\u5177\u6709\u8f83\u9ad8\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u8f83\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u3002\u8fd9\u79cd\u63a5\u53e3\u901a\u5e38\u4f7f\u7528\u56db\u6761\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5305\u62ec\u4e24\u6761\u6b63\u4ea4\u7684\u4fe1\u53f7\u7ebf\u548c\u4e24\u6761\u8d1f\u4fe1\u53f7\u7ebf\uff0c\u4f46\u5b9e\u9645\u4e0a\u8fd8\u5305\u62ec\u4e00\u6839\u4fe1\u53f7\u5730\u7ebf\uff0c\u603b\u5171\u4e94\u6839\u7ebf\u3002<\/p>\n\n\n\n

\u3000\u3000RS-422\u7684\u8bbe\u8ba1\u521d\u8877\u662f\u4e3a\u4e86\u5f25\u8865RS-232\u5728\u901a\u4fe1\u8ddd\u79bb\u77ed\u3001\u901f\u7387\u4f4e\u7b49\u65b9\u9762\u7684\u4e0d\u8db3\uff0c\u901a\u8fc7\u5b9a\u4e49\u4e00\u79cd\u5e73\u8861\u901a\u4fe1\u63a5\u53e3\uff0c\u5c06\u4f20\u8f93\u901f\u7387\u63d0\u9ad8\u523010Mbps\uff0c\u4f20\u8f93\u8ddd\u79bb\u5ef6\u957f\u52304000\u82f1\u5c3a(\u901f\u7387\u4f4e\u4e8e100kbps\u65f6)\uff0c\u5e76\u5141\u8bb8\u5728\u4e00\u6761\u5e73\u8861\u603b\u7ebf\u4e0a\u8fde\u63a5\u6700\u591a10\u4e2a\u63a5\u6536\u5668\u3002<\/strong>\u6b64\u5916\uff0cRS-422\u4e0eRS-485\u76f8\u6bd4\uff0c\u867d\u7136\u4e24\u8005\u90fd\u6ee1\u8db3RS-422\u7684\u6240\u6709\u89c4\u8303\uff0c\u4f46RS-485\u7684\u9a71\u52a8\u5668\u4e5f\u53ef\u4ee5\u7528\u4e8eRS-422\u5e94\u7528\uff0c\u53cd\u4e4b\u5219\u4e0d\u6210\u7acb\uff0c\u8fd9\u8868\u660eRS-422\u5728\u67d0\u4e9b\u65b9\u9762\u6bd4RS-485\u66f4\u4e3a\u4e25\u683c\u6216\u6709\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000RS-422\u63a5\u53e3\u56e0\u5176\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u7279\u6027\u548c\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u548c\u6570\u636e\u4f20\u8f93\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 RS-422\u63a5\u53e3\u4e0eRS-232\u63a5\u53e3\u7684\u5177\u4f53\u6280\u672f\u5dee\u5f02\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000RS-422\u63a5\u53e3\u4e0eRS-232\u63a5\u53e3\u7684\u5177\u4f53\u6280\u672f\u5dee\u5f02\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\uff1aRS-422\u91c7\u7528\u5e73\u8861\u7535\u538b\u6570\u5b57\u63a5\u53e3\u7535\u8def\u7684\u7535\u6c14\u7279\u6027\uff0c\u5177\u6709\u4e24\u6839\u53d1\u9001\u7ebf\u548c\u4e24\u6839\u63a5\u6536\u7ebf\uff0c\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\u3002\u800cRS-232\u662f\u5355\u7aef\u6807\u51c6\uff0c\u91c7\u7528\u4e0d\u5e73\u8861\u4f20\u8f93\u65b9\u5f0f\uff0c\u5373\u6240\u8c13\u7684\u5355\u7aef\u901a\u8baf\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4fe1\u53f7\u7ebf\u6570\u91cf\u4e0e\u914d\u7f6e\uff1aRS-422\u67094\u6839\u4fe1\u53f7\u7ebf(\u4e24\u6839\u53d1\u9001\u3001\u4e24\u6839\u63a5\u6536)\uff0c\u5141\u8bb8\u5728\u76f8\u540c\u4f20\u8f93\u7ebf\u4e0a\u8fde\u63a5\u591a\u4e2a\u63a5\u6536\u8282\u70b9\uff0c\u6700\u591a\u53ef\u63a510\u4e2a\u8282\u70b9\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cRS-232\u901a\u5e38\u4f7f\u7528\u8f83\u5c11\u7684\u4fe1\u53f7\u7ebf\u6570\u91cf\uff0c\u5e76\u4e14\u5176\u4fe1\u53f7\u7ebf\u914d\u7f6e\u4e0eRS-422\u4e0d\u540c\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e0e\u8ddd\u79bb\uff1aRS-422\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u5230230 Kbps\uff0c\u751a\u81f3\u5728\u67d0\u4e9b\u6761\u4ef6\u4e0b\u589e\u52a0\u5230\u7ea61 Mbps\uff0c\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u4e3a300\u7c73\u3002\u800cRS-232\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u4e14\u4f20\u8f93\u8ddd\u79bb\u53d7\u5230\u9650\u5236\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u7535\u6c14\u7279\u6027\uff1aRS-422\u5229\u7528\u5dee\u5206\u4fe1\u53f7\uff0c\u6570\u636e\u7531\u4e24\u6761\u7ebf\u8def\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u8868\u793a\uff0c\u800c\u4e0d\u662f\u7edd\u5bf9\u7535\u538b\u6c34\u5e73\u3002\u5178\u578b\u7684\u7535\u538b\u6446\u52a8\u8303\u56f4\u4e3a6V\u3002RS-232\u5219\u4f7f\u7528\u5355\u7aef\u4fe1\u53f7\u76f8\u5bf9\u4e8e\u516c\u5171\u5730\u7ebf\uff0c\u7535\u538b\u6c34\u5e73\u5728+12V\u548c-12V\u4e4b\u95f4\u53d8\u5316\uff0c\u4ee5\u533a\u5206\u903b\u8f910\u548c1\u4f4d\u72b6\u6001\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5e94\u7528\u573a\u666f\uff1aRS-422\u9002\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u548c\u8fdc\u8ddd\u79bb\u901a\u4fe1\uff0c\u800cRS-232\u662f\u4e00\u79cd\u6700\u65e9\u671f\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5e38\u89c1\u4e8e\u4e2a\u4eba\u7535\u8111\u548c\u5916\u56f4\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000RS-422\u4e0eRS-232\u5728\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\u3001\u4fe1\u53f7\u7ebf\u6570\u91cf\u4e0e\u914d\u7f6e\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e0e\u8ddd\u79bb\u3001\u7535\u6c14\u7279\u6027\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u7b49\u65b9\u9762\u5b58\u5728\u663e\u8457\u7684\u6280\u672f\u5dee\u5f02\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e8c\u3001 RS-422\u63a5\u53e3\u7684\u7535\u6c14\u7279\u6027\u5177\u4f53\u5305\u62ec\u54ea\u4e9b\u5185\u5bb9?<\/h2>\n\n\n\n

    \u3000\u3000RS-422\u63a5\u53e3\u7684\u7535\u6c14\u7279\u6027\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u5e73\u8861\u7535\u538b\u6570\u5b57\u63a5\u53e3\u7535\u8def\u7684\u7535\u6c14\u7279\u6027\uff1aRS-422\u6807\u51c6\u5168\u79f0\u4e3a”\u5e73\u8861\u7535\u538b\u6570\u5b57\u63a5\u53e3\u7535\u8def\u7684\u7535\u6c14\u7279\u6027”\uff0c\u5b83\u5b9a\u4e49\u4e86\u63a5\u53e3\u7535\u8def\u7684\u7279\u6027\uff0c\u5305\u62ec\u63a5\u6536\u5668\u91c7\u7528\u9ad8\u8f93\u5165\u963b\u6297\u548c\u53d1\u9001\u9a71\u52a8\u5668\u6bd4RS-232\u66f4\u5f3a\u7684\u9a71\u52a8\u80fd\u529b\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6570\u636e\u4f20\u9001\u901f\u7387\u4e0e\u4f20\u8f93\u8ddd\u79bb\u7684\u5173\u7cfb\uff1aRS-422-A\u80fd\u591f\u5728\u8f83\u957f\u8ddd\u79bb\u4e0a\u660e\u663e\u5730\u63d0\u9ad8\u6570\u636e\u4f20\u9001\u901f\u7387\u3002\u4f8b\u5982\uff0c\u5f53\u901f\u7387\u4e3a100 Kbps\u65f6\uff0c\u4f20\u9001\u8ddd\u79bb\u53ef\u8fbe1000 m;\u800c\u5f53\u901f\u7387\u4e3a10Mbps\u65f6\uff0c\u8ddd\u79bb\u4ec5\u8fbe10m\u4ee5\u4e0a\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u4fe1\u53f7\u7ebf\u914d\u7f6e\uff1aRS-422\u67094\u6839\u4fe1\u53f7\u7ebf\uff0c\u5206\u522b\u662f\u4e24\u6839\u53d1\u9001(Y\u3001Z)\u548c\u4e24\u6839\u63a5\u6536(A\u3001B)\u3002\u8fd9\u79cd\u914d\u7f6e\u4f7f\u5f97RS-422\u7684\u6536\u4e0e\u53d1\u662f\u5206\u5f00\u7684\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6539\u8fdb\u540e\u7684RS-485\u6807\u51c6\uff1aRS-422\u901a\u8fc7\u6539\u8fdb\u4ea7\u751f\u4e86RS-485(EIA-485\u6807\u51c6)\uff0c\u5176\u4e2dRS-485\u589e\u52a0\u4e86\u8bbe\u5907\u7684\u4e2a\u6570\uff0c\u4ece10\u4e2a\u589e\u52a0\u523032\u4e2a\uff0c\u5e76\u5728\u6700\u5927\u8bbe\u5907\u4e2a\u6570\u60c5\u51b5\u4e0b\u7684\u7535\u6c14\u7279\u6027\u8fdb\u884c\u4e86\u5b9a\u4e49\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u4e0eRS-485\u7684\u533a\u522b\uff1a\u867d\u7136RS-422\u548cRS-485\u5728\u7535\u6c14\u6027\u80fd\u4e0a\u5b8c\u5168\u4e00\u6837\uff0c\u4f46\u5728\u4f20\u8f93\u8ddd\u79bb\u548c\u4f20\u8f93\u901f\u7387\u65b9\u9762\uff0cRS-422\u6709\u66f4\u9ad8\u7684\u8981\u6c42\u3002\u8fd9\u8868\u660eRS-422\u9002\u7528\u4e8e\u9700\u8981\u66f4\u9ad8\u901f\u7387\u548c\u66f4\u8fdc\u4f20\u8f93\u8ddd\u79bb\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7ec8\u7aef\u7535\u963b\u8bbe\u7f6e\uff1aRS-422A \/ RS-485\u901a\u4fe1\u89c4\u683c\u4e2d\u63d0\u5230\u4e86\u7ec8\u7aef\u7535\u963b(\u7ec8\u7aef\u5668)\u4ee5\u6b63\u9762\u5f00\u5173\u8bbe\u5b9aON\/OFF\uff0c\u8fd9\u662f\u5176\u7535\u6c14\u7279\u6027\u7684\u4e00\u90e8\u5206\uff0c\u7528\u4e8e\u786e\u4fdd\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000RS-422\u63a5\u53e3\u7684\u7535\u6c14\u7279\u6027\u5305\u62ec\u4e86\u5e73\u8861\u7535\u538b\u6570\u5b57\u63a5\u53e3\u7535\u8def\u7684\u57fa\u672c\u7279\u6027\u3001\u6570\u636e\u4f20\u9001\u901f\u7387\u4e0e\u4f20\u8f93\u8ddd\u79bb\u7684\u5173\u7cfb\u3001\u7279\u5b9a\u7684\u4fe1\u53f7\u7ebf\u914d\u7f6e\u3001\u4ee5\u53ca\u5bf9\u7ec8\u7aef\u7535\u963b\u7684\u8bbe\u7f6e\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n

      \u3000\u3000\u4e09\u3001 \u5982\u4f55\u5b9e\u73b0RS-422\u63a5\u53e3\u7684\u5168\u53cc\u5de5\u901a\u4fe1?<\/h2>\n\n\n\n

      \u3000\u3000\u5b9e\u73b0RS-422\u63a5\u53e3\u7684\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u9996\u5148\u9700\u8981\u7406\u89e3RS-422\u63a5\u53e3\u7684\u57fa\u672c\u7279\u6027\u548c\u5de5\u4f5c\u539f\u7406\u3002RS-422\u662f\u4e00\u79cd\u5178\u578b\u7684\u56db\u7ebf\u63a5\u53e3\uff0c\u652f\u6301\u5168\u53cc\u5de5\u3001\u5dee\u5206\u4f20\u8f93\u548c\u591a\u70b9\u901a\u4fe1\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\u3002\u8fd9\u610f\u5473\u7740\u5728RS-422\u63a5\u53e3\u4e2d\uff0c\u6570\u636e\u53ef\u4ee5\u540c\u65f6\u5728\u4e24\u4e2a\u65b9\u5411\u4e0a\u4f20\u8f93\uff0c\u5373\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\u3002<\/p>\n\n\n\n

      \u3000\u3000\u4e3a\u4e86\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\uff0cRS-422\u63a5\u53e3\u91c7\u7528\u4e86\u5e73\u8861\u4f20\u8f93\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u5dee\u5206\u4fe1\u53f7\u6765\u51cf\u5c11\u566a\u58f0\u7684\u5f71\u54cd\uff0c\u5e76\u63d0\u9ad8\u901a\u4fe1\u7684\u8d28\u91cf\u548c\u53ef\u9760\u6027\u3002\u5177\u4f53\u5230\u786c\u4ef6\u5c42\u9762\uff0cRS-422\u63a5\u53e3\u901a\u5e38\u5305\u62ec\u56db\u6761\u7ebf\uff1a\u4e24\u6761\u7528\u4e8e\u53d1\u9001(TX)\u548c\u63a5\u6536(RX)\u4fe1\u53f7\u7684\u7ebf\uff0c\u4ee5\u53ca\u4e24\u6761\u5730\u7ebf\uff0c\u603b\u5171\u4e94\u6839\u7ebf\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f97RS-422\u80fd\u591f\u6709\u6548\u5730\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5728\u8f6f\u4ef6\u914d\u7f6e\u65b9\u9762\uff0c\u4f7f\u7528RS-422\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\u65f6\uff0c\u9700\u8981\u6b63\u786e\u8bbe\u7f6e\u901a\u4fe1\u53c2\u6570\uff0c\u5982\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u7b49\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u80fd\u591f\u51c6\u786e\u65e0\u8bef\u5730\u5728\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u4f20\u8f93\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u8003\u8651\u5230\u7535\u6c14\u7279\u6027\uff0c\u5982\u4fe1\u53f7\u7684\u7535\u5e73\u3001\u566a\u58f0\u5bb9\u9650\u7b49\uff0c\u8fd9\u4e9b\u90fd\u76f4\u63a5\u5f71\u54cd\u5230\u901a\u4fe1\u7684\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5bf9\u4e8e\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u822a\u7a7a\u822a\u5929\u9886\u57df\uff0cRS-422\u63a5\u53e3\u8fd8\u652f\u6301\u6839\u636e\u9700\u8981\u8bbe\u7f6e\u901a\u4fe1\u901f\u7387\uff0c\u8fd9\u4e3a\u5b9e\u73b0\u9ad8\u6548\u3001\u53ef\u9760\u7684\u5168\u53cc\u5de5\u901a\u4fe1\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7075\u6d3b\u6027\u3002\u800c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u8fd8\u9700\u8981\u501f\u52a9\u4e00\u4e9b\u4e13\u7528\u7684\u786c\u4ef6\u8bbe\u5907\u6216\u8f6f\u4ef6\u5de5\u5177\uff0c\u5982\u534f\u8bae\u8f6c\u6362\u5668\uff0c\u6765\u8fdb\u4e00\u6b65\u4f18\u5316\u901a\u4fe1\u8fc7\u7a0b\uff0c\u786e\u4fdd\u6570\u636e\u80fd\u591f\u5728\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u987a\u7545\u3001\u5b89\u5168\u5730\u4f20\u8f93\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5b9e\u73b0RS-422\u63a5\u53e3\u7684\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u786c\u4ef6\u8bbe\u8ba1\u3001\u7535\u6c14\u7279\u6027\u3001\u901a\u4fe1\u53c2\u6570\u8bbe\u7f6e\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\uff0c\u901a\u8fc7\u5408\u7406\u7684\u914d\u7f6e\u548c\u4f18\u5316\uff0c\u624d\u80fd\u8fbe\u5230\u9ad8\u6548\u3001\u7a33\u5b9a\u901a\u4fe1\u7684\u76ee\u7684\u3002<\/p>\n\n\n\n

      \u3000\u3000\u56db\u3001 RS-422\u63a5\u53e3\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n

      \u3000\u3000RS-422\u63a5\u53e3\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

        \n
      • \u3000\u3000PLC\u63a7\u5236\u7cfb\u7edf\uff1a\u57fa\u4e8eRS-422\u603b\u7ebf\u7684PLC\u63a7\u5236\u5de5\u7a0b\u7cfb\u7edf\uff0c\u901a\u8fc7\u5229\u7528\u5df2\u6709\u7684DCS\u8bbe\u65bd\u6765\u5b9e\u73b0FCS\uff0c\u5efa\u7acb\u8d77\u4e00\u4e2a\u5c40\u90e8\u96c6\u4e2d\u63a7\u5236\u7684\u5de5\u4e1a\u7f51\u7edc\u3002\u8fd9\u8868\u660eRS-422\u63a5\u53e3\u5728\u5b9e\u73b0\u5de5\u5382\u81ea\u52a8\u5316\u548c\u63a7\u5236\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668(PLC)\u901a\u4fe1\uff1aPLC\u662f\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u5e38\u7528\u7684\u63a7\u5236\u8bbe\u5907\uff0c\u5b83\u5e38\u4f7f\u7528RS-422\u63a5\u53e3\u4e0e\u5916\u90e8\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\uff0c\u5982\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u7b49\uff0c\u786e\u4fdd\u63a7\u5236\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u8fd9\u4e00\u70b9\u8fdb\u4e00\u6b65\u8bc1\u5b9e\u4e86RS-422\u63a5\u53e3\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u5e7f\u6cdb\u5e94\u7528\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u81ea\u52a8\u5316\u6d4b\u8bd5\uff1aRS-422\u603b\u7ebf\u5728\u81ea\u52a8\u5316\u6d4b\u8bd5\u9886\u57df\u4e5f\u6709\u5e94\u7528\uff0c\u4f8b\u5982\u4e0e\u7b14\u8bb0\u672c\u76f8\u8fde\u4f7f\u7528USB\u8f6c422\u7ebf\u7f06\u8fdb\u884c\u6d4b\u8bd5\u548c\u5e94\u7528\u60c5\u51b5\u7684\u5206\u4eab\u3002\u8fd9\u8bf4\u660eRS-422\u63a5\u53e3\u4e0d\u4ec5\u5728\u751f\u4ea7\u8fc7\u7a0b\u4e2d\uff0c\u5728\u4ea7\u54c1\u7684\u6d4b\u8bd5\u9636\u6bb5\u4e5f\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u6570\u636e\u91c7\u96c6\u548c\u76d1\u63a7\uff1aRS-422\u63a5\u53e3\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u3001\u4eea\u5668\u4eea\u8868\u6570\u636e\u91c7\u96c6\u3001\u7535\u529b\u7cfb\u7edf\u76d1\u63a7\u7b49\u9886\u57df\u3002\u8fd9\u4e9b\u5e94\u7528\u573a\u666f\u4f53\u73b0\u4e86RS-422\u63a5\u53e3\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u548c\u5b9e\u73b0\u9ad8\u6548\u7a33\u5b9a\u7684\u6570\u636e\u4f20\u8f93\u65b9\u9762\u7684\u4f18\u52bf\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u5de5\u4e1a\u81ea\u52a8\u5316\u7cfb\u7edf\u548c\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\uff1aRS-422\u534f\u8bae\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u7a33\u5b9a\u901a\u4fe1\u4e0e\u63a7\u5236\uff0c\u5728\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u9ad8\u6548\u7a33\u5b9a\u7684\u6570\u636e\u4f20\u8f93\u65b9\u9762\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u8fd9\u5f3a\u8c03\u4e86RS-422\u63a5\u53e3\u5728\u63d0\u9ad8\u5de5\u4e1a\u751f\u4ea7\u6548\u7387\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u65b9\u9762\u7684\u91cd\u8981\u6027\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000RS-422\u63a5\u53e3\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u6db5\u76d6\u4e86\u4ecePLC\u63a7\u5236\u7cfb\u7edf\u3001\u81ea\u52a8\u5316\u6d4b\u8bd5\u5230\u6570\u636e\u91c7\u96c6\u548c\u76d1\u63a7\u7b49\u591a\u4e2a\u65b9\u9762\uff0c\u5c55\u73b0\u4e86\u5176\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u63a7\u5236\u7cfb\u7edf\u4e2d\u7684\u5e7f\u6cdb\u5e94\u7528\u548c\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n

        \u3000\u3000\u4e94\u3001 RS-422\u4e0eRS-485\u63a5\u53e3\u7684\u4e3b\u8981\u533a\u522b\u548c\u5e94\u7528\u573a\u666f\u5206\u522b\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

        \u3000\u3000RS-422\u4e0eRS-485\u63a5\u53e3\u7684\u4e3b\u8981\u533a\u522b\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

          \n
        • \u3000\u3000\u4f20\u8f93\u65b9\u5f0f\u4e0e\u80fd\u529b\uff1aRS-422\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u5373\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\uff0c\u800cRS-485\u5219\u53ea\u80fd\u8fdb\u884c\u534a\u53cc\u5de5\u901a\u4fe1\uff0c\u5373\u5728\u4efb\u4f55\u7ed9\u5b9a\u65f6\u523b\u53ea\u80fd\u8fdb\u884c\u53d1\u9001\u6216\u63a5\u6536\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u4fe1\u53f7\u7ebf\u6570\u91cf\u4e0e\u914d\u7f6e\uff1aRS-422\u4f7f\u7528\u56db\u6839\u4fe1\u53f7\u7ebf(\u4e24\u5bf9\u5dee\u5206\u4fe1\u53f7\u7ebf)\uff0c\u800cRS-485\u4f7f\u7528\u4e24\u6839\u4fe1\u53f7\u7ebf(\u4e00\u6839\u53d1\u9001\u7ebf\u548c\u4e00\u6839\u63a5\u6536\u7ebf)\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u652f\u6301\u8282\u70b9\u6570\uff1aRS-485\u80fd\u591f\u652f\u6301\u591a\u4e2a\u53d1\u9001\u5668\u548c\u63a5\u6536\u5668\u8fde\u63a5\u5728\u540c\u4e00\u901a\u4fe1\u603b\u7ebf\u4e0a\uff0c\u6700\u591a\u53ef\u652f\u630132\u4e2a\u8282\u70b9\uff0c\u800cRS-422\u53ea\u652f\u6301\u70b9\u5bf9\u70b9\u901a\u4fe1\uff0c\u5373\u53ea\u6709\u4e24\u4e2a\u8282\u70b9\u4e4b\u95f4\u4e92\u76f8\u4f20\u8f93\uff0c\u4e0d\u80fd\u591a\u70b9\u901a\u4fe1\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u548c\u901f\u5ea6\uff1aRS-422\u652f\u6301\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u901a\u5e38\u53ef\u8fbe1200\u7c73\u7684\u4f20\u8f93\u8ddd\u79bb\u548c10 Mbps\u7684\u6570\u636e\u901f\u7387\u3002<\/li>\n<\/ul>\n\n\n\n

          \u3000\u3000\u5e94\u7528\u573a\u666f\u65b9\u9762\uff0c\u7531\u4e8e\u8fd9\u4e9b\u5dee\u5f02\uff0cRS-422\u548cRS-485\u5404\u81ea\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u73af\u5883\u548c\u9700\u6c42\uff1a<\/p>\n\n\n\n

            \n
          • \u3000\u3000RS-422\uff1a\u7531\u4e8e\u5176\u5168\u53cc\u5de5\u901a\u4fe1\u80fd\u529b\u548c\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u9002\u5408\u4e8e\u9700\u8981\u9ad8\u901f\u6570\u636e\u4ea4\u6362\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u9ad8\u6027\u80fd\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u533b\u7597\u8bbe\u5907\u7b49\u3002<\/li>\n\n\n\n
          • \u3000\u3000RS-485\uff1a\u7531\u4e8e\u5176\u80fd\u591f\u652f\u6301\u591a\u70b9\u8fde\u63a5\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u80fd\u529b\uff0c\u4f7f\u5176\u975e\u5e38\u9002\u5408\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u667a\u80fd\u5efa\u7b51\u3001\u4ea4\u901a\u8fd0\u8f93\u7b49\u9886\u57df\u3002\u7279\u522b\u662f\u5728\u9700\u8981\u8fde\u63a5\u591a\u4e2a\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u6216\u5176\u4ed6\u8bbe\u5907\u8fdb\u884c\u6570\u636e\u91c7\u96c6\u548c\u76d1\u63a7\u7684\u573a\u5408\u4e2d\uff0cRS-485\u56e0\u5176\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u6210\u672c\u76f8\u5bf9\u8f83\u4f4e\u800c\u88ab\u5e7f\u6cdb\u91c7\u7528\u3002<\/li>\n<\/ul>\n\n\n\n

            \u3000\u3000\u603b\u7ed3\u6765\u8bf4\uff0c\u9009\u62e9RS-422\u8fd8\u662fRS-485\u63a5\u53e3\u6807\u51c6\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u548c\u573a\u666f\uff0c\u5305\u62ec\u662f\u5426\u9700\u8981\u5168\u53cc\u5de5\u901a\u4fe1\u3001\u6240\u9700\u7684\u4f20\u8f93\u8ddd\u79bb\u3001\u8282\u70b9\u6570\u91cf\u4ee5\u53ca\u9884\u7b97\u7b49\u56e0\u7d20\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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