{"id":582,"date":"2024-05-31T09:46:28","date_gmt":"2024-05-31T01:46:28","guid":{"rendered":"https:\/\/www.aidimmer.com\/?p=582"},"modified":"2024-06-03T10:29:49","modified_gmt":"2024-06-03T02:29:49","slug":"rs485fail","status":"publish","type":"post","link":"https:\/\/www.aidimmer.com\/index.php\/2024\/05\/31\/rs485fail\/","title":{"rendered":"\u5173\u4e8e\u5de5\u63a7\u673a485\u7aef\u53e3\u9891\u7e41\u70e7\u6bc1\u7684\u7efc\u5408\u5206\u6790\u62a5\u544a"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><mark style=\"background-color:#8ed1fc\" class=\"has-inline-color has-black-color\">1. \u95ee\u9898\u63cf\u8ff0\u53ca\u521d\u6b65\u5224\u65ad<\/mark><\/h4>\n\n\n\n<p>\u751f\u4ea7\u73b0\u573a\u8fd1\u6bb5\u65f6\u95f4\u4ee5\u6765\u5de5\u63a7\u673a\u9891\u7e41\u70e7\u6bc1485\u901a\u4fe1\u7aef\u53e3, \u4e2a\u522b\u8fd8\u9020\u6210\u5149\u6e90\u63a7\u5236\u5668RS485\u7aef\u53e3\u635f\u574f. \u4e0b\u56fe\u4e00\u53f0\u5b9e\u9645\u635f\u574f\u5de5\u63a7\u673a485\u7aef\u53e3\u7684\u60c5\u5f62.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"672\" height=\"643\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/05\/r485fail_1.jpg\" alt=\"\" class=\"wp-image-588\" style=\"aspect-ratio:1.0451010886469674;width:430px;height:auto\"\/><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"401\" height=\"320\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/05\/r485fail_3.jpg\" alt=\"\" class=\"wp-image-591\" style=\"aspect-ratio:1.253125;width:442px;height:auto\"\/><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"504\" height=\"378\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/05\/r485fail_2.jpg\" alt=\"\" class=\"wp-image-590\" style=\"aspect-ratio:1.3333333333333333;width:445px;height:auto\"\/><\/figure><\/div>\n\n\n<p>\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa, DB9\u8f6f\u6392\u7ebf, \u84dd\u8272\u6846\u4f4f\u7684\u6700\u8fb9\u4e00\u6839\u7ebf\u70e7\u6bc1, \u7ecf\u67e5\u8fd9\u662fDB9_Pin5, \u5bf9\u5e94\u7684\u662fRS485\u4e09\u7ebf\u5236\u901a\u4fe1\u4e2d\u7684\u5730\u7ebf. \u8bf7\u6ce8\u610f\u5176\u4f59RS485\u7684AB\u7ebf\u57fa\u672c\u5b8c\u597d, \u6ca1\u6709\u660e\u663e\u7684\u70e7\u6bc1\u75d5\u8ff9.  \u672c\u4ea7\u54c1\u4f7f\u7528\u8f6f\u6392\u7ebf\u8f83\u7ec6, \u5b9e\u9645\u7ebf\u53f728AWG, \u6240\u4ee5\u627f\u53d7\u7535\u6d41\u80fd\u529b\u5f88\u5c0f,\u5b9e\u9645\u67e5\u8be2\u53ea\u6709\u6700\u5927226\u6beb\u5b89.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"753\" height=\"130\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/05\/r485fail_4.jpg\" alt=\"\" class=\"wp-image-598\"\/><\/figure><\/div>\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u521d\u6b65\u5224\u65ad: \u8fc7\u5927\u7684\u5730\u7ebf\u7535\u6d41\u662f\u5bfc\u81f4\u672c\u6b21\u4e8b\u6545\u7684\u7f6a\u9b41\u7978\u9996. <\/mark><\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><mark style=\"background-color:#8ed1fc\" class=\"has-inline-color has-black-color\">2. \u80cc\u666f\u77e5\u8bc6: \u4ec0\u4e48\u662f\u5730\u73af\u8def\u7535\u6d41 Ground Loop Current<\/mark><\/h4>\n\n\n\n<p>\u5730\u73af\u8def\u7535\u6d41, \u662f\u5728\u7535\u5b50\u8bbe\u5907\u9886\u57df\u5185, \u7279\u522b\u662f\u5206\u5e03\u5f0f\u63a5\u5730\u7684\u7535\u5b50\u7cfb\u7edf\u666e\u904d\u5b58\u5728, \u8f7b\u5fae\u60c5\u51b5\u4e0b, \u5b83\u5bf9\u8bbe\u5907\u95f4\u6b63\u5e38\u901a\u4fe1\u9020\u6210\u5e72\u6270, \u4e25\u91cd\u7684\u65f6\u5019\u8fd8\u6709\u53ef\u80fd\u635f\u574f\u7535\u5b50\u8bbe\u5907.  \u66f4\u9ebb\u70e6\u7684\u662f\u8fd9\u79cd\u73b0\u8c61\u96be\u4ee5\u8ffd\u8e2a\u548c\u7406\u8bba\u8ba1\u7b97, \u51e0\u4e4e\u5168\u9760\u7cfb\u7edf\u5de5\u7a0b\u5e08\u5b9e\u8df5\u64cd\u4f5c\u53bb\u5c3d\u91cf\u6539\u5584, \u8fbe\u5230\u4e0d\u5f71\u54cd\u8bbe\u5907\u6b63\u5e38\u5de5\u4f5c\u7684\u671f\u671b. \u4e3a\u4e86\u5f62\u8c61\u8bf4\u660eground loop current, \u4ee5\u4e0b\u7ed9\u51fa\u4e00\u4e2a\u6211\u4eec\u7ecf\u5e38\u9047\u5230\u7684\u7535\u8111\u97f3\u54cd\u7cfb\u7edf\u6765\u8bf4\u660e.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"583\" height=\"534\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/05\/r485fail_5.jpg\" alt=\"\" class=\"wp-image-610\"\/><\/figure><\/div>\n\n\n<p>\u4e0a\u56fe\u4e2d, \u53f0\u5f0f\u7535\u8111\u5185\u90e8\u58f0\u5361, \u8f93\u51fa\u4fe1\u53f7+\u548c\u4fe1\u53f7\u5730(\u7eff\u8272)\u8fde\u63a5\u5230\u529f\u7387\u653e\u5927\u5668, \u529f\u7387\u653e\u5927\u5668\u653e\u5927\u540e\u63a8\u52a8\u626c\u58f0\u5668speaker\u53d1\u51fa\u58f0\u97f3. \u53f0\u5f0f\u7535\u8111\u901a\u8fc7LNE\u4e09\u7ebf\u4ea4\u6d41220V\u4f9b\u7535, \u63d2\u5728\u4ea4\u6d41\u63d2\u7ebf\u677fA, \u529f\u7387\u653e\u5927\u5668\u901a\u8fc7LNE\u4e09\u7ebf\u4ea4\u6d41220V\u4f9b\u7535, \u63d2\u5728\u4ea4\u6d41\u63d2\u7ebf\u677fB, \u7136\u540e\u63d2\u7ebf\u677fAB\u53c8\u901a\u8fc7\u623f\u95f4\u7684\u4ea4\u6d41\u7535\u7ebf\u8fde\u63a5\u5728\u4e00\u8d77, \u4e8e\u662f, \u8fd9\u91cc\u5c31\u5b8c\u7f8e\u5f62\u6210\u4e86\u4e00\u4e2a\u5730\u73af\u8def, \u5982\u56fe\u4e2d\u865a\u7ebf\u6240\u793a, \u8def\u5f84\u5305\u62ec\u4fe1\u53f7\u5730(\u7eff\u8272), PE\u5730(\u84dd\u8272), \u623f\u95f4\u7535\u7f51\u5730(\u68d5\u8272), PE\u5730(\u7ea2\u8272). \u8fd9\u6837\u4e00\u4e2a\u5730\u73af\u8defGround Loop\u5f62\u6210\u540e, \u9020\u6210\u4e86\u4ee5\u4e0b\u4e24\u7c7b\u5e72\u6270.<\/p>\n\n\n\n<ul>\n<li>\u7531\u4e8e\u53f0\u5f0f\u7535\u8111\u5730, \u529f\u7387\u653e\u5927\u5668\u5730, \u623f\u95f4\u7535\u7f51\u5730\u8fd9\u4e09\u70b9\u4e0d\u662f\u7406\u8bba\u4e0a\u7edd\u5bf9\u7684\u5730\u7535\u4f4d(0\u7535\u4f4d), \u4e8e\u662f\u8fd9\u4e2a\u73af\u8def\u4e2d\u7684\u5730\u7535\u4f4d\u5dee, \u5bfc\u81f4\u5730\u73af\u8def\u4e2d\u6709\u7535\u6d41\u4ea7\u751f, \u8fd9\u4e2a\u7535\u538b\u5dee\u867d\u7136\u5f88\u5c0f, \u4f46\u56e0\u4e3a\u73af\u8def\u7535\u963b\u4e5f\u5f88\u5c0f, \u6bd4\u5982\u6beb\u6b27\u7ea7\u522b, \u6839\u636e\u6b27\u59c6\u5b9a\u5f8b, \u8fd9\u4e2a\u73af\u8def\u7535\u6d41\u5176\u5b9e\u4e0d\u5c0f\u7684. \u6211\u4eec\u53ef\u4ee5\u770b\u51fa\u8fd9\u4e2a\u73af\u8def\u7535\u6d41\u5b8c\u6574\u5730\u901a\u8fc7\u4e0a\u56fe\u7684\u7eff\u8272\u7ebf, \u8fdb\u5165\u529f\u7387\u653e\u5927\u5668\u88ab\u653e\u5927. \u56e0\u4e3a\u8fd9\u79cd\u73af\u8def\u7535\u6d41\u5927\u591a\u548c\u7535\u7f51\u9891\u7387\u4e00\u6837, \u6bd4\u598250\/60Hz\u53ca\u5176\u500d\u9891, \u6240\u4ee5\u6211\u4eec\u7ecf\u5e38\u4f1a\u8ff7\u60d1, \u6211\u4eec\u7535\u8111\u5f53\u6ca1\u6709\u4efb\u4f55\u97f3\u4e50\u64ad\u653e\u65f6, \u4f46\u626c\u58f0\u5668\u91cc\u603b\u6709\u4e00\u79cd\u7535\u6d41\u58f0\u5b58\u5728, \u5f53\u6211\u4eec\u6362\u4e2a\u4ea4\u6d41\u7535\u6d41\u63d2\u7ebf\u4f4d\u7f6e, \u8fd9\u79cd\u58f0\u97f3\u6216\u53d8\u5927\u6216\u53d8\u5c0f. \u7efc\u5408\u800c\u8a00, \u8fd9\u7c7b\u5e72\u6270\u662f\u4f4e\u9891.<\/li>\n\n\n\n<li>\u8fd8\u6709\u4e00\u79cd\u5e72\u6270, \u56e0\u4e3a\u8fd9\u4e2a\u5730\u73af\u8def\u5b58\u5728, \u5f62\u6210\u4e86\u4e00\u4e2a\u95ed\u5408\u56de\u8def, \u5982\u679c\u623f\u95f4\u7684\u7535\u78c1\u73af\u5883\u6bd4\u8f83\u590d\u6742, \u6bd4\u5982\u5f3a\u7535\u6d41\u7ee7\u7535\u5668\u5f00\u5408, \u52b1\u78c1\u7535\u673a\u542f\u52a8\u548c\u505c\u6b62\u7b49, \u8fd9\u6837\u7535\u78c1\u573a\u4f1a\u5728\u8fd9\u4e2a\u95ed\u5408\u56de\u8def\u4ea7\u751f\u78c1\u611f\u5e94\u7535\u6d41, \u4e8e\u662f\u53e6\u4e00\u79cd\u73af\u8def\u7535\u6d41\u5f62\u6210\u4e86. \u8fd9\u79cd\u73af\u8def\u7535\u6d41\u5c5e\u4e8e\u9ad8\u9891, \u8fbe\u5230MHz\u7ea7\u522b, \u56e0\u4e3a\u529f\u7387\u653e\u5927\u5668\u548c\u626c\u58f0\u5668\u7684\u9891\u7387\u54cd\u5e94\u7406\u8bba\u4e0a\u662f20Hz~20KHz, \u6240\u4ee5\u6211\u4eec\u7528\u8033\u6735\u542c\u4e0d\u5230\u8fd9\u79cd\u5e72\u6270. \u4f46\u662f\u5982\u679c\u5728\u6bd4\u5982RS485, USB, CAN\u7b49\u5de5\u4e1a\u901a\u4fe1\u9886\u57df, \u8fd9\u79cd\u5e72\u6270\u5c31\u975e\u5e38\u9ebb\u70e6, \u5e72\u6270\u6b63\u5e38\u901a\u4fe1, \u662f\u8bbe\u5907\u7cfb\u7edf\u5de5\u7a0b\u5e08\u5fc5\u987b\u8981\u9762\u5bf9\u89e3\u51b3\u7684\u95ee\u9898.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><mark style=\"background-color:#8ed1fc\" class=\"has-inline-color has-black-color\">3. \u5f53\u524d\u7684\u5de5\u63a7\u673a, \u63a7\u5236\u5668\u548c\u5149\u6e90\u7b49\u7efc\u5408\u914d\u7f6e<\/mark><\/h4>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/05\/r485fail_6.jpg\" alt=\"\" class=\"wp-image-625\"\/><\/figure><\/div>\n\n\n<p>\u4e0a\u56fe\u4e2d, \u5de5\u63a7\u673a\u4f9b\u7535\u4fdd\u62a4\u5730PE, \u63a5\u5230\u5de5\u63a7\u673a\u5916\u58f3(\u7d2b\u8272), \u4e5f\u63a5\u5230\u5de5\u63a7\u673a\u4e3b\u677f(\u7eff\u8272), \u5de5\u63a7\u673a\u4e3b\u677f\u4fe1\u53f7\u5730\u548c485\u4e09\u7ebf\u901a\u4fe1\u5730(\u7ea2\u8272)\u76f8\u8fde\u63a5, \u4e5f\u901a\u8fc7\u56fe\u4e2d\u7ea2\u7ebf\u8fde\u63a5\u5230\u5de5\u63a7\u673a\u5185\u90e8\u4fe1\u53f7\u5730. <\/p>\n\n\n\n<p>\u5149\u6e90\u63a7\u5236\u5668\u8fd9\u8fb9, 485\u901a\u4fe1\u4e09\u7ebf\u4e2d\u5730\u7ebf(\u7ea2\u8272)\u4f1a\u63a5\u5230\u5185\u90e824V\u7535\u6e90\u7684\u8d1f\u6781, \u4f46\u662f\u6574\u4f53\u4fe1\u53f7\u5730(\u4e5f\u662f24V\u7535\u6e90\u8d1f\u6781)\u548c\u63a7\u5236\u5668\u5916\u58f3\u4e0d\u76f8\u8fde, \u63a7\u5236\u5668\u5916\u58f3(\u7d2b\u8272)\u4f1a\u548c\u63a7\u5236\u5668\u4f9b\u7535\u7684PE\u5730\u7ebf(\u9ec4\u8272)\u76f8\u8fde. \u63a7\u5236\u5668\u901a\u8fc7LED\u706f\u7ebf+\/-\u63a5\u5230LED\u706f\u677f. \u5982\u679cLED\u706f\u677f\u548c\u706f\u91d1\u5c5e\u5916\u58f3\u4e4b\u95f4\u4e0d\u76f8\u8fde\u7684\u8bdd, \u5219\u53ef\u4ee5\u770b\u51fa\u6574\u4e2a\u7cfb\u7edf\u4e0d\u80fd\u5f62\u6210\u4e00\u4e2a\u5730\u73af\u8def, \u8fd9\u6837\u5176\u5b9e\u662f\u6bd4\u8f83\u597d\u7684\u914d\u7f6e, \u4e0d\u4f1a\u4ea7\u751f\u5730\u73af\u8def\u7535\u6d41, \u63a7\u5236\u5668\u5185\u90e8\u4fe1\u53f7\u5730\u548c24V\u7535\u6e90-, \u662f\u91c7\u7528\u884c\u4e1a\u4e2d\u666e\u904d\u5b58\u5728\u7684\u6d6e\u5730(FG, Floating Ground)\u8bbe\u8ba1. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><mark style=\"background-color:#8ed1fc\" class=\"has-inline-color has-black-color\">4. \u6545\u969c\u539f\u56e0\u521d\u5224<\/mark><\/h4>\n\n\n\n<p>\u6839\u636e\u524d\u540e\u6545\u969c\u7684\u5404\u65b9\u53cd\u9988\u60c5\u51b5, \u521d\u6b65\u5224\u65ad\u9020\u6210\u672c\u6587\u6863\u6d89\u53ca\u6545\u969c\u57fa\u672c\u6709\u4e09\u79cd\u53ef\u80fd. <\/p>\n\n\n\n<ul>\n<li><mark style=\"background-color:#fcb900\" class=\"has-inline-color\"><em>\u53ef\u80fd\u6545\u969c\u539f\u56e0\u4e00<\/em><\/mark>:  LED\u706f\u7ebf+\u5bf9LED\u706f\u94dd\u57fa\u677f\u548c\u8bbe\u5907\u91d1\u5c5e\u5730\u4e4b\u95f4\u77ed\u8def, \u8fd9\u79cd\u60c5\u51b5, \u63a7\u5236\u5668\u5185\u90e824V\u7535\u538b\u88ab\u5730\u73af\u8def\u77ed\u8def, \u5f88\u5927\u7684\u77ed\u8def\u7535\u6d41\u8db3\u4ee5\u5b8c\u5168\u70e7\u6bc1\u5de5\u63a7\u673a\u5185\u90e8RS485\u5730\u7ebf, \u77ed\u8def\u7535\u6d41\u73af\u8def\u5982\u4e0b\u6240\u793a.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"944\" height=\"757\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/06\/r485fail_7.jpg\" alt=\"\" class=\"wp-image-660\"\/><\/figure><\/div>\n\n\n<ul>\n<li><mark style=\"background-color:#fcb900\" class=\"has-inline-color\"><em>\u53ef\u80fd\u6545\u969c\u539f\u56e0\u4e8c<\/em><\/mark>:  LED\u706f\u7ebf-\u5bf9LED\u706f\u94dd\u57fa\u677f\u548c\u8bbe\u5907\u91d1\u5c5e\u5730\u4e4b\u95f4\u77ed\u8def, \u8fd9\u79cd\u60c5\u51b5, \u63a7\u5236\u5668\u5185\u90e824V\u7535\u538b\u901a\u8fc7\u901a\u8fc7\u5916\u9762\u5927\u7684\u5730\u73af\u8def\u5168\u90e8\u52a0\u5728LED\u706f\u4e0a\u9762, \u6b64\u65f6LED\u706f\u4f1a\u70b9\u4eae, \u70b9\u4eae\u7535\u6d41\u4e5f\u8db3\u4ee5\u5b8c\u5168\u70e7\u6bc1\u5de5\u63a7\u673a\u5185\u90e8RS485\u5730\u7ebf, \u77ed\u8def\u7535\u6d41\u73af\u8def\u5982\u4e0b\u6240\u793a.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"916\" height=\"753\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/06\/r485fail_9.jpg\" alt=\"\" class=\"wp-image-663\"\/><\/figure><\/div>\n\n\n<ul>\n<li><em><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u53ef\u80fd\u6545\u969c\u539f\u56e0\u4e09<\/mark><\/em>:  \u5982\u679cLED\u706f\u677f\u7edd\u7f18\u5904\u7406\u975e\u5e38\u826f\u597d, \u65e0\u4efb\u4f55\u6f5c\u5728\u77ed\u8def\u98ce\u9669, \u5219\u6211\u4eec\u5fc5\u987b\u8003\u8651\u6709\u5176\u4ed6\u5730\u73af\u8def\u5b58\u5728, \u5305\u62ec\u6574\u4f53\u4f7f\u7528\u73af\u5883\u4e2d\u5176\u4ed6\u8bbe\u5907.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><mark style=\"background-color:#8ed1fc\" class=\"has-inline-color has-black-color\">5. \u6539\u5584\u5bf9\u7b56\u610f\u89c1<\/mark><\/h4>\n\n\n\n<p>\u7efc\u4e0a\u6240\u8ff0, \u672c\u6587\u63d0\u51fa\u4e00\u79cd\u57fa\u672c\u80fd\u675c\u7edd\u6b64\u7c7b\u6545\u969c\u7684\u6539\u5584\u610f\u89c1, \u90a3\u5c31\u662f\u6539\u53d8\u5de5\u63a7\u673aRS485_DB9\u7684\u63a5\u7ebf\u914d\u7f6e, \u5982\u4e0b\u56fe.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/05\/r485fail_8.jpg\" alt=\"\" class=\"wp-image-637\"\/><\/figure><\/div>\n\n\n<p>\u8fd9\u4e2a\u6539\u5584\u7684\u57fa\u672c\u539f\u5219, \u5c31\u662f\u54ea\u6015\u5b58\u5728\u5730\u73af\u8def\u7535\u6d41, \u4e5f\u8981\u628a\u73af\u8def\u7535\u6d41\u76f4\u63a5\u5bfc\u5165\u5de5\u63a7\u673a\u5916\u58f3, \u4e0d\u8981\u628aRS485\u901a\u4fe1\u7ebf\u5730\u7ebf\u63a5\u5165\u5de5\u63a7\u673a\u7535\u8def\u677f\u5185.<\/p>\n\n\n\n<p>\u8fd8\u6709\u4e00\u79cd\u6539\u5584\u610f\u89c1, \u5c31\u662f\u662f\u75281\u62d62\u4ea4\u6d41\u7535\u6e90\u7ebf, \u5982\u4e0b\u56fe, \u8fd9\u79cd\u7ebf\u53ef\u4ee5\u6781\u5927\u964d\u4f4e\u5730\u73af\u8def\u5468\u957f, \u51cf\u5c0f\u5730\u73af\u8def\u7535\u6d41, \u4e00\u5934\u63a5\u5de5\u63a7\u673a\u4f9b\u7535, \u53e6\u4e00\u5934\u63a5\u63a7\u5236\u5668\u4f9b\u7535.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"575\" height=\"448\" src=\"https:\/\/www.aidimmer.com\/wp-content\/uploads\/2024\/05\/r485fail_10.jpg\" alt=\"\" class=\"wp-image-655\" style=\"aspect-ratio:1.2834821428571428;width:401px;height:auto\"\/><\/figure><\/div>","protected":false},"excerpt":{"rendered":"<p>1. \u95ee\u9898\u63cf\u8ff0\u53ca\u521d\u6b65\u5224\u65ad \u751f\u4ea7\u73b0\u573a\u8fd1\u6bb5\u65f6\u95f4\u4ee5\u6765\u5de5\u63a7\u673a\u9891\u7e41\u70e7\u6bc1485\u901a\u4fe1\u7aef\u53e3, \u4e2a\u522b\u8fd8\u9020\u6210\u5149\u6e90\u63a7\u5236\u5668RS485\u7aef [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/posts\/582"}],"collection":[{"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/comments?post=582"}],"version-history":[{"count":56,"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/posts\/582\/revisions"}],"predecessor-version":[{"id":670,"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/posts\/582\/revisions\/670"}],"wp:attachment":[{"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/media?parent=582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/categories?post=582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aidimmer.com\/index.php\/wp-json\/wp\/v2\/tags?post=582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}