{"id":34229,"date":"2025-10-30T16:22:10","date_gmt":"2025-10-30T08:22:10","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=34229"},"modified":"2025-10-30T16:22:12","modified_gmt":"2025-10-30T08:22:12","slug":"ji-yu-kai-guan-liang-kong-zhi-de-rs485-tong-xun-tong-dao-qie-huan-qi","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/34229.html","title":{"rendered":"\u200b\u200b\u57fa\u4e8e\u5f00\u5173\u91cf\u63a7\u5236\u7684RS485\u901a\u8baf\u901a\u9053\u5207\u6362\u5668"},"content":{"rendered":"<h4 class=\"wp-block-heading\">\u200b<strong>\u200b\u4e00\u3001 \u8bbe\u5907\u6982\u8ff0\u200b<\/strong>\u200b<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u8bbe\u5907\u578b\u53f7\u4e3a\u200b<strong>\u200bBSS-485QH-8\u200b<\/strong>\u200b\uff0c\u662f\u4e00\u6b3e\u200b<strong>\u200b\u516b\u901a\u9053RS485\u901a\u8baf\u901a\u9053\u5207\u6362\u5668\u200b<\/strong>\u200b\u3002\u5176\u6838\u5fc3\u529f\u80fd\u662f\u901a\u8fc7\u5916\u90e8\u8f93\u5165\u76843\u4f4d\u5f00\u5173\u91cf\u4fe1\u53f7\uff0c\u52a8\u6001\u9009\u901a\u4e3b\u7ad9\u7aef\u53e3\u4e0e8\u4e2a\u4ece\u7ad9\u7aef\u53e3\u4e2d\u7684\u67d0\u4e00\u4e2a\u8fdb\u884c\u901a\u4fe1\uff0c\u540c\u65f6\u5c06\u5176\u4ed67\u4e2a\u7aef\u53e3\u9694\u79bb\uff0c\u907f\u514d\u603b\u7ebf\u51b2\u7a81\u3002 \u200b<strong>\u200b\u4e3b\u8981\u7279\u6027\uff1a\u200b<\/strong>\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>\u200b8\u8def\u4ece\u7ad9\u7aef\u53e3\u200b<\/strong>\u200b\uff1a\u53ef\u8fde\u63a58\u6761\u72ec\u7acb\u7684RS485\u603b\u7ebf\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b1\u8def\u4e3b\u7ad9\u7aef\u53e3\u200b<\/strong>\u200b\uff1a\u8fde\u63a5\u4e3b\u63a7\u8bbe\u5907\uff08\u5982PLC\u3001\u5de5\u63a7\u673a\uff09\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b\u5f00\u5173\u91cf\u63a7\u5236\u200b<\/strong>\u200b\uff1a\u901a\u8fc7Y14, Y15, Y16\u4e09\u4e2a\u7aef\u5b50\u7684\u7535\u5e73\u72b6\u6001\uff080\/1\uff09\u6765\u9009\u62e9\u901a\u9053\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b\u7535\u6c14\u9694\u79bb\u200b<\/strong>\u200b\uff1a\u9009\u901a\u540e\uff0c\u4e3b\u53e3\u4ec5\u4e0e\u6240\u9009\u901a\u9053\u901a\u4fe1\uff0c\u5176\u4ed6\u901a\u9053\u88ab\u7981\u6b62\uff0c\u786e\u4fdd\u603b\u7ebf\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b\u72b6\u6001\u6307\u793a\u200b<\/strong>\u200b\uff1a\u914d\u5907LED\u663e\u793a\u5c4f\uff0c\u5b9e\u65f6\u663e\u793a\u5f53\u524d\u901a\u9053\u53f7\u53ca\u4e3b\u4ece\u53e3\u901a\u4fe1\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b\u7075\u6d3b\u4f9b\u7535\u200b<\/strong>\u200b\uff1a\u652f\u6301DC +12V \u6216 +24V\u5bbd\u538b\u7535\u6e90\u8f93\u5165\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u200b<strong>\u200b\u4e8c\u3001 \u6838\u5fc3\u5de5\u4f5c\u539f\u7406\uff1a\u5f00\u5173\u91cf\u901a\u9053\u9009\u62e9\u200b<\/strong>\u200b<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u8bbe\u5907\u6700\u663e\u8457\u7684\u7279\u70b9\u662f\u91c7\u7528\u200b<strong>\u200b\u5f00\u5173\u91cf\u4fe1\u53f7\u200b<\/strong>\u200b\u800c\u975e\u8f6f\u4ef6\u6307\u4ee4\u8fdb\u884c\u901a\u9053\u5207\u6362\uff0c\u8fd9\u4f7f\u5f97\u5b83\u7279\u522b\u9002\u7528\u4e8e\u7531PLC\u76f4\u63a5\u63a7\u5236\u7684\u573a\u666f\u3002 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200b<strong>\u200b1. \u63a7\u5236\u4fe1\u53f7\u5b9a\u4e49\uff1a\u200b<\/strong>\u200b \u8bbe\u5907\u63d0\u4f9b\u4e86\u4e09\u4e2a\u5f00\u5173\u91cf\u63a7\u5236\u7aef\u5b50\uff1a\u200b<strong>\u200bY14, Y15, Y16\u200b<\/strong>\u200b\u3002\u6bcf\u4e2a\u7aef\u5b50\u7684\u7535\u5e73\u72b6\u6001\uff08\u201c1\u201d\u4ee3\u8868\u9ad8\u7535\u5e73\uff0c\u201c0\u201d\u4ee3\u8868\u4f4e\u7535\u5e73\uff09\u5171\u540c\u7ec4\u6210\u4e00\u4e2a3\u4f4d\u4e8c\u8fdb\u5236\u6570\uff0c\u7528\u4e8e\u9009\u62e9\u76ee\u6807\u901a\u9053\u3002 \u200b<strong>\u200b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. \u5f00\u5173\u91cf\u5207\u6362\u771f\u503c\u8868\uff1a\u200b<\/strong>\u200b \u901a\u9053\u9009\u62e9\u5b8c\u5168\u9075\u5faa\u4ee5\u4e0b\u771f\u503c\u8868\u3002\u7528\u6237\u901a\u8fc7\u6539\u53d8Y16, Y15, Y14\u7684\u7535\u5e73\u7ec4\u5408\uff0c\u5373\u53ef\u7cbe\u786e\u9009\u901a\u7b2c1\u5230\u7b2c8\u901a\u9053\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Y16<\/th><th>Y15<\/th><th>Y14<\/th><th>\u6240\u9009\u901a\u9053<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>1<\/td><td>1<\/td><td>\u901a\u90531<\/td><\/tr><tr><td>1<\/td><td>1<\/td><td>0<\/td><td>\u901a\u90532<\/td><\/tr><tr><td>1<\/td><td>0<\/td><td>1<\/td><td>\u901a\u90533<\/td><\/tr><tr><td>1<\/td><td>0<\/td><td>0<\/td><td>\u901a\u90534<\/td><\/tr><tr><td>0<\/td><td>1<\/td><td>1<\/td><td>\u901a\u90535<\/td><\/tr><tr><td>0<\/td><td>1<\/td><td>0<\/td><td>\u901a\u90536<\/td><\/tr><tr><td>0<\/td><td>0<\/td><td>1<\/td><td>\u901a\u90537<\/td><\/tr><tr><td>0<\/td><td>0<\/td><td>0<\/td><td>\u901a\u90538<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"> \u200b<strong>\u200b3. \u5f00\u5173\u91cf\u7c7b\u578b\u4e0e\u63a5\u7ebf\uff1a\u200b<\/strong>\u200b \u8bbe\u5907\u517c\u5bb9\u4e09\u79cd\u5e38\u89c1\u7684\u5f00\u5173\u91cf\u4fe1\u53f7\u7c7b\u578b\uff0c\u901a\u8fc7\u786c\u4ef6\u9009\u62e9\u533a\u8fdb\u884c\u8bbe\u7f6e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>\u200bNPN\u200b<\/strong>\u200b\uff1a \u6f0f\u578b\u8f93\u51fa\uff0c\u516c\u5171\u7aef\uff08COM\uff09\u63a5\u7535\u6e90\u6b63\u6781\uff08+V\uff09\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200bPNP\u200b<\/strong>\u200b\uff1a \u6e90\u578b\u8f93\u51fa\uff0c\u516c\u5171\u7aef\uff08COM\uff09\u63a5\u7535\u6e90\u5730\uff08GND\uff09\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b\u5e72\u8282\u70b9\u200b<\/strong>\u200b\uff1a \u65e0\u6e90\u89e6\u70b9\u4fe1\u53f7\uff08\u5982\u7ee7\u7535\u5668\u89e6\u70b9\uff09\uff0c\u76f4\u63a5\u63a5\u5165\u63a7\u5236\u7aef\u5b50\u548cCOM\u7aef\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u200b<strong>\u200b\u5f00\u5173\u91cf\u7a33\u5b9a\u65f6\u95f4\u7ea6\u4e3a5ms\u200b<\/strong>\u200b\uff0c\u8fd9\u610f\u5473\u7740\u5728\u5207\u6362\u5f00\u5173\u91cf\u540e\uff0c\u9700\u77ed\u6682\u5ef6\u8fdf\u4ee5\u786e\u4fdd\u901a\u9053\u7a33\u5b9a\u5207\u6362\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u200b<strong>\u200b\u4e09\u3001 \u5de5\u4f5c\u72b6\u6001\u6307\u793a\u200b<\/strong>\u200b<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bbe\u5907\u901a\u8fc7\u4e00\u4e2a\u4e24\u4f4d\u7684LED\u663e\u793a\u5c4f\u63d0\u4f9b\u76f4\u89c2\u7684\u72b6\u6001\u53cd\u9988\uff0c\u5176\u663e\u793a\u683c\u5f0f\u4e3a <code>\u901a\u9053\u53f7.\u72b6\u6001\u7801<\/code>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>\u200b\u901a\u9053\u53f7\u200b<\/strong>\u200b\uff1a\u663e\u793a\u5f53\u524d\u5f00\u5173\u91cf\u9009\u4e2d\u7684\u901a\u9053\uff081-8\uff09\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b\u72b6\u6001\u7801\u200b<\/strong>\u200b\uff1a\u663e\u793a\u4e3b\u4ece\u53e3\u901a\u4fe1\u72b6\u6001\u3002\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>\u200b<code>0<\/code>\u200b<\/strong>\u200b\uff1a \u8868\u793a\u5df2\u9009\u4e2d\u8be5\u901a\u9053\uff0c\u4f46\u200b<strong>\u200b\u4e3b\u53e3\u672a\u6536\u5230\u200b<\/strong>\u200b\u4ece\u7ad9\u8fd4\u56de\u7684\u5e94\u7b54\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b<code>3<\/code>\u6216<code>5<\/code>\u7b49\u6570\u5b57\u200b<\/strong>\u200b\uff1a \u8868\u793a\u5df2\u9009\u4e2d\u8be5\u901a\u9053\uff0c\u4e14\u200b<strong>\u200b\u4e3b\u53e3\u5df2\u6536\u5230\u200b<\/strong>\u200b\u4ece\u7ad9\u8fd4\u56de\u7684\u5e94\u7b54\u4fe1\u606f\uff0c\u6570\u5b57\u5177\u4f53\u4ee3\u8868\u901a\u4fe1\u8d28\u91cf\u6216\u4fe1\u53f7\u5f3a\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u200b<strong>\u200b\u793a\u4f8b\uff1a\u200b<\/strong>\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u200b<strong>\u200b\u663e\u793a <code>1.0<\/code>\u200b<\/strong>\u200b\uff1a \u5f53\u524d\u9009\u4e2d\u901a\u90531\uff0c\u4e3b\u8bbe\u5907\u6b63\u5728\u53d1\u9001\u6307\u4ee4\u6216\u4ece\u8bbe\u5907\u672a\u54cd\u5e94\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b\u663e\u793a <code>5.5<\/code>\u200b<\/strong>\u200b\uff1a \u5f53\u524d\u9009\u4e2d\u901a\u90535\uff0c\u5e76\u4e14\u4e0e\u901a\u90535\u4e0a\u7684\u4ece\u8bbe\u5907\u901a\u4fe1\u6b63\u5e38\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u200b<strong>\u200b\u56db\u3001 \u5178\u578b\u5e94\u7528\u573a\u666f\u200b<\/strong>\u200b<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6b3e\u5207\u6362\u5668\u975e\u5e38\u9002\u7528\u4e8e\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u200b<strong>\u200b\u4e00\u4e3b\u591a\u4ece\u7cfb\u7edf\u6269\u5c55\u200b<\/strong>\u200b\uff1a\u4e00\u53f0PLC\u9700\u8981\u8f6e\u8be2\u8bbf\u95ee\u8d85\u8fc7RS485\u5730\u5740\u4e0a\u9650\uff08\u901a\u5e38\u4e3a32\u4e2a\uff09\u7684\u4ece\u8bbe\u5907\u65f6\uff0c\u53ef\u5c06\u4ece\u8bbe\u5907\u5206\u7ec4\u8fde\u63a5\u52308\u4e2a\u901a\u9053\uff0c\u901a\u8fc7\u5207\u6362\u5668\u5206\u65f6\u8bbf\u95ee\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b\u591a\u603b\u7ebf\u9694\u79bb\u200b<\/strong>\u200b\uff1a\u5728\u590d\u6742\u7684\u7535\u78c1\u73af\u5883\u4e2d\uff0c\u5c06\u4e0d\u540c\u533a\u57df\u7684\u8bbe\u5907\u5206\u914d\u5230\u4e0d\u540c\u7684\u603b\u7ebf\uff0c\u5e76\u901a\u8fc7\u5207\u6362\u5668\u9694\u79bb\uff0c\u51cf\u5c11\u76f8\u4e92\u5e72\u6270\u3002<\/li>\n\n\n\n<li>\u200b<strong>\u200b\u5197\u4f59\u5907\u4efd\u7cfb\u7edf\u200b<\/strong>\u200b\uff1a\u5f53\u67d0\u6761\u603b\u7ebf\u6216\u67d0\u7ec4\u4ece\u8bbe\u5907\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u53ef\u5feb\u901f\u5207\u6362\u5230\u5907\u7528\u7684\u603b\u7ebf\u901a\u9053\uff0c\u63d0\u9ad8\u7cfb\u7edf\u53ef\u9760\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u200b<strong>\u200b\u4e94\u3001 \u603b\u7ed3\u200b<\/strong>\u200b<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6b3e\u57fa\u4e8e\u5f00\u5173\u91cf\u63a7\u5236\u7684RS485\u901a\u9053\u5207\u6362\u5668\uff0c\u4ee5\u5176\u786c\u4ef6\u7ea7\u5207\u6362\u7684\u53ef\u9760\u6027\u3001\u64cd\u4f5c\u7684\u7b80\u4fbf\u6027\u548c\u76f4\u89c2\u7684\u72b6\u6001\u6307\u793a\uff0c\u4e3a\u591a\u5206\u652fRS485\u7f51\u7edc\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u3001\u7ecf\u6d4e\u7684\u96c6\u4e2d\u7ba1\u7406\u65b9\u6848\u3002\u5b83\u5b8c\u7f8e\u5730\u6865\u63a5\u4e86\u6570\u5b57\u91cf\u63a7\u5236\u4e0e\u4e32\u884c\u901a\u4fe1\u9886\u57df\uff0c\u7279\u522b\u9002\u5408\u5728\u7531PLC\u4e3b\u5bfc\u7684\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u4e2d\u626e\u6f14\u201c\u4ea4\u901a\u6307\u6325\u5b98\u201d\u7684\u89d2\u8272\uff0c\u5b9e\u73b0\u6709\u6761\u4e0d\u7d0a\u7684\u591a\u8def\u901a\u4fe1\u7ba1\u7406\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img 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