{"id":6554,"date":"2026-04-28T22:38:53","date_gmt":"2026-04-28T14:38:53","guid":{"rendered":"https:\/\/www.yantaisensor.com\/?p=6554"},"modified":"2026-06-05T17:24:45","modified_gmt":"2026-06-05T09:24:45","slug":"rs485-modbus-weather-sensors-guide","status":"publish","type":"post","link":"https:\/\/www.yantaisensor.com\/zh\/blog\/rs485-modbus-weather-sensors-guide","title":{"rendered":"\u6c14\u8c61\u4f20\u611f\u5668 RS485 \u548c Modbus \u534f\u8bae\u6307\u5357"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u5bfc\u8a00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8bb8\u591a\u5de5\u4e1a\u76d1\u6d4b\u9879\u76ee\u4e2d\uff0c\u901a\u4fe1\u6545\u969c\u3001\u591a\u8bbe\u5907\u96c6\u6210\u56f0\u96be\u4ee5\u53ca\u6570\u636e\u4f20\u8f93\u4e0d\u7a33\u5b9a\u662f\u5e38\u89c1\u7684\u6311\u6218\u3002\u4e8b\u5b9e\u4e0a\uff0c\u8d85\u8fc770%\u7684\u6c14\u8c61\u4f20\u611f\u5668\u95ee\u9898\u90fd\u4e0e\u63a5\u7ebf\u9519\u8bef\u6216\u534f\u8bae\u4e0d\u517c\u5bb9\u6709\u5173\u3002\u672c\u6307\u5357\u65e8\u5728 <a href=\"https:\/\/www.yantaisensor.com\/zh\/%e4%ba%a7%e5%93%81\/modbus-rs485-weather-station\/\">RS485 \u4e0e Modbus<\/a> \u300a\u6c14\u8c61\u4f20\u611f\u5668\u534f\u8bae\u300b\u4e00\u4e66\u5c06\u5e2e\u52a9\u60a8\u4e86\u89e3\u5982\u4f55\u9ad8\u6548\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002\u5728 <a href=\"https:\/\/www.yantaisensor.com\/zh\/about\/\" data-type=\"page\" data-id=\"40\">\u70df\u53f0\u4f20\u611f\u5668<\/a>, \u6211\u4eec\u63d0\u4f9b\u53ef\u9760\u7684 RS485 \u6c14\u8c61\u4f20\u611f\u5668\u548c\u5b8c\u5168\u517c\u5bb9\u7684 Modbus \u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u786e\u4fdd\u7a33\u5b9a\u7684\u957f\u8ddd\u79bb\u901a\u4fe1\u3002\u65e0\u8bba\u60a8\u662f\u5728\u6784\u5efa\u667a\u80fd\u519c\u4e1a\u7cfb\u7edf\u8fd8\u662f\u57fa\u4e8e\u7269\u8054\u7f51\u7684\u6c14\u8c61\u7ad9\uff0c\u6211\u4eec\u90fd\u80fd\u5e2e\u52a9\u60a8\u5b9e\u73b0\u65e0\u7f1d\u96c6\u6210\u3001\u7cbe\u786e\u6570\u636e\u91c7\u96c6\u548c\u957f\u671f\u7cfb\u7edf\u53ef\u9760\u6027\u3002.<\/p>\n\n\n<style>.kb-image6554_4d15bd-d9 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image6554_4d15bd-d9\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-Modbus-Protocols-for-Weather-Sensors.webp\" alt=\"\u7528\u4e8e\u6c14\u8c61\u4f20\u611f\u5668\u7684 RS485 \u548c Modbus \u534f\u8bae\" class=\"kb-img wp-image-6560\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-Modbus-Protocols-for-Weather-Sensors.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-Modbus-Protocols-for-Weather-Sensors-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-Modbus-Protocols-for-Weather-Sensors-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-Modbus-Protocols-for-Weather-Sensors-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Modbus RTU \u901a\u4fe1\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">RS485 \u901a\u4fe1\u662f\u4e00\u79cd\u5de5\u4e1a\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u4e13\u4e3a\u5728\u6076\u52a3\u73af\u5883\u4e0b\u8fdb\u884c\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u800c\u8bbe\u8ba1\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u4f20\u611f\u5668\u548c\u81ea\u52a8\u5316\u7cfb\u7edf\u3002\u5b83\u652f\u6301\u957f\u8fbe 1200 \u7c73\u7684\u8fdc\u8ddd\u79bb\u4f20\u8f93\uff0c\u5177\u6709\u5f88\u5f3a\u7684\u6297\u7535\u78c1\u5e72\u6270\u80fd\u529b\uff0c\u5141\u8bb8\u591a\u53f0\u8bbe\u5907\u5171\u4eab\u540c\u4e00\u603b\u7ebf\uff0c\u6700\u591a\u53ef\u5171\u4eab 32 \u591a\u4e2a\u8282\u70b9\uff0c\u56e0\u6b64\u5728 RS485 \u901a\u4fe1\u7f51\u7edc\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u8fd9\u4e9b\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u73b0\u4ee3 RS485 \u4f20\u611f\u5668\u7f51\u7edc\u5e94\u7528\u7684\u6838\u5fc3\u6280\u672f\uff0c\u5982\u6c14\u8c61\u76d1\u6d4b\u548c\u5de5\u4e1a\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f RS-485 \u901a\u4fe1\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RS485 \u662f\u4e00\u79cd\u5de5\u4e1a\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u56e0\u5176\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u4f20\u8f93\u8ddd\u79bb\u6700\u8fdc\u53ef\u8fbe 1200 \u7c73\u3001\u652f\u6301 32 \u4e2a\u4ee5\u4e0a\u8282\u70b9\u7684\u591a\u8bbe\u5907\u603b\u7ebf\u8fde\u63a5\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4f20\u611f\u5668\u7f51\u7edc\u4e2d\uff0c\u662f\u6c14\u8c61\u4f20\u611f\u5668\u7cfb\u7edf\u548c\u5927\u89c4\u6a21 RS485 \u4f20\u611f\u5668\u7f51\u7edc\u4e2d\u7a33\u5b9a\u53ef\u9760\u7684 RS485 \u901a\u4fe1\u7684\u7406\u60f3\u9009\u62e9\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f Modbus \u534f\u8bae\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus \u534f\u8bae\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e3b\u4ece\u5f0f\u5de5\u4e1a\u901a\u4fe1\u534f\u8bae\uff0c\u4e13\u4e3a\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\u8bbe\u5907\u95f4\u53ef\u9760\u3001\u7b80\u5355\u7684\u6570\u636e\u4ea4\u6362\u800c\u8bbe\u8ba1\u3002\u5b83\u5728\u6c14\u8c61\u4f20\u611f\u5668\u548c\u5de5\u4e1a\u76d1\u63a7\u7684 Modbus \u534f\u8bae\u5e94\u7528\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u4e3b\u8981\u6709\u4e24\u79cd\u7c7b\u578b <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9607043\/\" target=\"_blank\" rel=\"noopener\">Modbus RTU<\/a>, Modbus RTU \u662f RS485 \u7f51\u7edc\u6700\u5e38\u7528\u7684\u4e32\u884c\u901a\u4fe1\u683c\u5f0f\uff0c\u800c Modbus TCP \u5219\u901a\u8fc7\u4ee5\u592a\u7f51\u8fd0\u884c\uff0c\u53ef\u5b9e\u73b0\u66f4\u5feb\u3001\u66f4\u7075\u6d3b\u7684\u7cfb\u7edf\u96c6\u6210\u3002\u4e86\u89e3 Modbus RTU \u4e0e TCP \u7684\u533a\u522b\u6709\u52a9\u4e8e\u60a8\u4e3a\u6c14\u8c61\u76d1\u6d4b\u6216\u7269\u8054\u7f51\u7cfb\u7edf\u9009\u62e9\u6b63\u786e\u7684\u89e3\u51b3\u65b9\u6848\u3002.<\/p>\n\n\n<style>.kb-image6554_88c24a-5c .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image6554_88c24a-5c\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/What-Is-Modbus-Protocol.webp\" alt=\"\u4ec0\u4e48\u662f Modbus \u534f\u8bae\" class=\"kb-img wp-image-6561\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/What-Is-Modbus-Protocol.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/What-Is-Modbus-Protocol-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/What-Is-Modbus-Protocol-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/What-Is-Modbus-Protocol-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">RS485 \u4e0e Modbus \u7684\u533a\u522b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RS485 \u548c Modbus \u7ecf\u5e38\u5728\u6c14\u8c61\u4f20\u611f\u5668\u7cfb\u7edf\u4e2d\u4e00\u8d77\u4f7f\u7528\uff0c\u4f46\u5b83\u4eec\u5728\u5de5\u4e1a\u901a\u4fe1\u4e2d\u53d1\u6325\u7740\u4e0d\u540c\u7684\u4f5c\u7528\u3002\u4e86\u89e3\u4e24\u8005\u7684\u533a\u522b\u6709\u52a9\u4e8e\u8bbe\u8ba1\u66f4\u7a33\u5b9a\u3001\u66f4\u9ad8\u6548\u7684\u6570\u636e\u7f51\u7edc\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9879\u76ee<\/th><th>RS485<\/th><th>Modbus<\/th><\/tr><\/thead><tbody><tr><td>\u7c7b\u578b<\/td><td>\u7269\u7406\u5c42\u6807\u51c6<\/td><td>\u901a\u4fe1\u534f\u8bae<\/td><\/tr><tr><td>\u529f\u80fd<\/td><td>\u6570\u636e\u4f20\u8f93<\/td><td>\u6570\u636e\u89e3\u91ca\u548c\u7ed3\u6784\u5316<\/td><\/tr><tr><td>\u9700\u8981\u8fd9\u6837\u505a\u5417\uff1f<\/td><td>\u5e03\u7ebf\u548c\u4fe1\u53f7\u4f20\u8f93\u6240\u9700<\/td><td>\u53ef\u9009\u9879\uff0c\u4f46\u901a\u5e38\u7528\u4e8e RS485 \u4e4b\u5916<\/td><\/tr><tr><td>\u5e94\u7528<\/td><td>\u8bbe\u5907\u4e4b\u95f4\u7684\u786c\u4ef6\u7ea7\u8fde\u63a5<\/td><td>\u4e3b\u8bbe\u5907\u548c\u4ece\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">RS-485 \u4e0e Modbus \u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\uff0cRS-485 \u5904\u7406\u6570\u636e\u7684\u7269\u7406\u4f20\u8f93\u65b9\u5f0f\uff0c\u800c Modbus \u5219\u5b9a\u4e49\u6570\u636e\u5728\u8bbe\u5907\u4e4b\u95f4\u7684\u7ec4\u7ec7\u548c\u7406\u89e3\u65b9\u5f0f\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6c14\u8c61\u4f20\u611f\u5668\u4e3a\u4f55\u4f7f\u7528 RS485 \u548c Modbus\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c14\u8c61\u4f20\u611f\u5668\u4f9d\u8d56 RS485 \u548c Modbus\uff0c\u56e0\u4e3a\u5de5\u4e1a\u76d1\u63a7\u7cfb\u7edf\u9700\u8981\u7a33\u5b9a\u3001\u957f\u8ddd\u79bb\u548c\u6297\u5e72\u6270\u7684\u901a\u4fe1\u3002RS485 \u4e3a\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u63d0\u4f9b\u4e86\u7269\u7406\u5c42\uff0c\u800c Modbus \u5219\u5b9e\u73b0\u4e86\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7ed3\u6784\u5316\u548c\u6807\u51c6\u5316\u7684\u6570\u636e\u4ea4\u6362\u3002\u8fd9\u79cd\u7ec4\u5408\u5728\u6c14\u8c61\u7ad9\u901a\u4fe1\u534f\u8bae\u8bbe\u8ba1\u4e2d\u88ab\u5e7f\u6cdb\u91c7\u7528\uff0c\u4ee5\u652f\u6301\u591a\u4f20\u611f\u5668\u8054\u7f51\u3001\u8fdc\u8ddd\u79bb\u73af\u5883\u76d1\u6d4b\u548c\u82db\u523b\u6761\u4ef6\u4e0b\u7684\u9ad8\u7cbe\u5ea6\u6570\u636e\u91c7\u96c6\u3002\u56e0\u6b64\uff0c\u4f7f\u7528 RS485 \u548c Modbus \u7684\u5de5\u4e1a\u6c14\u8c61\u4f20\u611f\u5668\u901a\u5e38\u88ab\u90e8\u7f72\u5728\u519c\u4e1a\u6c14\u8c61\u7ad9\u3001\u667a\u80fd\u57ce\u5e02\u57fa\u7840\u8bbe\u65bd\u3001\u6e29\u5ba4\u6c14\u5019\u63a7\u5236\u7cfb\u7edf\u548c\u5176\u4ed6\u9886\u57df\u3002 <a href=\"https:\/\/www.yantaisensor.com\/zh\/sloar-sensors\/\">\u5149\u4f0f\u6c14\u8c61\u76d1\u6d4b<\/a> \u9879\u76ee\u3002.<\/p>\n\n\n<style>.kb-image6554_74fbe9-43 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image6554_74fbe9-43\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-weather-sensor.webp\" alt=\"RS485 \u6c14\u8c61\u4f20\u611f\u5668\" class=\"kb-img wp-image-6565\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-weather-sensor.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-weather-sensor-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-weather-sensor-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-weather-sensor-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u6c14\u8c61\u4f20\u611f\u5668\u7684 RS485 \u63a5\u7ebf\u5de5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c14\u8c61\u4f20\u611f\u5668\u4e2d\u7684 RS485 \u63a5\u7ebf\u57fa\u4e8e\u4f7f\u7528 A \u548c B \u4e24\u6761\u7ebf\u8def\u7684\u5dee\u5206\u4fe1\u53f7\u7cfb\u7edf\uff0c\u53ef\u786e\u4fdd\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\u8fdb\u884c\u7a33\u5b9a\u3001\u6297\u566a\u7684\u901a\u4fe1\u3002\u5728\u5178\u578b\u7684 RS485 \u63a5\u7ebf\u56fe\u4e2d\uff0c\u8bbe\u5907\u4ee5\u83ca\u82b1\u94fe\u6216\u603b\u7ebf\u7ed3\u6784\u8fde\u63a5\uff0c\u800c\u4e0d\u662f\u661f\u5f62\u63a5\u7ebf\uff0c\u8fd9\u6837\u591a\u4e2a\u4f20\u611f\u5668\u5c31\u80fd\u6709\u6548\u5730\u5171\u4eab\u540c\u4e00\u6761\u901a\u4fe1\u7ebf\u8def\u3002\u4e3a\u4fdd\u6301\u4fe1\u53f7\u5b8c\u6574\u6027\uff0c\u901a\u5e38\u4f1a\u5728\u7f51\u7edc\u4e24\u7aef\u5b89\u88c5\u4e00\u4e2a 120\u03a9 \u7ec8\u7aef\u7535\u963b\uff0c\u4ee5\u9632\u6b62\u4fe1\u53f7\u53cd\u5c04\u548c\u6570\u636e\u4e22\u5931\u3002\u8981\u5728\u6237\u5916\u76d1\u63a7\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u53ef\u9760\u7684\u957f\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u548c\u7a33\u5b9a\u7684\u591a\u4f20\u611f\u5668\u6027\u80fd\uff0c\u8fd9\u79cd\u6b63\u786e\u7684 RS485 \u8fde\u63a5\u5929\u6c14\u4f20\u611f\u5668\u8bbe\u7f6e\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Modbus RTU \u901a\u4fe1\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus RTU \u901a\u4fe1\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e32\u884c\u534f\u8bae\uff0c\u5728\u8fd9\u79cd\u7ed3\u6784\u5316\u3001\u53ef\u9760\u7684\u6570\u636e\u4ea4\u6362\u7cfb\u7edf\u4e2d\uff0c\u4e3b\u7ad9\u8bbe\u5907\u53ef\u63a7\u5236\u4e00\u4e2a\u6216\u591a\u4e2a\u4ece\u7ad9\u8bbe\u5907\u3002\u5728\u4e00\u4e2a\u5178\u578b\u7684 Modbus RTU \u901a\u4fe1\u793a\u4f8b\u4e2d\uff0c\u4e3b\u8bbe\u5907\u53d1\u9001\u4e00\u4e2a\u8bf7\u6c42\uff0c\u4ece\u8bbe\u5907\u54cd\u5e94\u5e76\u63d0\u4f9b\u6240\u9700\u7684\u4f20\u611f\u5668\u6570\u636e\u3002\u901a\u4fe1\u88ab\u7ec4\u7ec7\u6210\u4e00\u4e2a\u6807\u51c6\u7684 Modbus \u6570\u636e\u5e27\uff0c\u5176\u4e2d\u5305\u62ec\u8bbe\u5907\u5730\u5740\u3001\u529f\u80fd\u4ee3\u7801\u3001\u6570\u636e\u5b57\u6bb5\u548c\u7528\u4e8e\u9519\u8bef\u68c0\u6d4b\u7684 CRC \u6821\u9a8c\u548c\u3002\u8fd9\u79cd\u7ed3\u6784\u5316\u6846\u67b6\u786e\u4fdd\u4e86\u6570\u636e\u4f20\u8f93\u7684\u51c6\u786e\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u4f7f Modbus RTU \u6210\u4e3a\u57fa\u4e8e RS485 \u6280\u672f\u7684\u7406\u60f3\u9009\u62e9\u3002 <a href=\"https:\/\/www.yantaisensor.com\/zh\/weather-sensor-manufacturer-supplier\/\" data-type=\"page\" data-id=\"3700\">\u5929\u6c14\u4f20\u611f\u5668<\/a> \u7f51\u7edc\u548c\u5de5\u4e1a\u76d1\u63a7\u5e94\u7528\u3002.<\/p>\n\n\n<style>.kb-image6554_f757b6-18 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image6554_f757b6-18\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/How-Modbus-RTU-Communication-Works.webp\" alt=\"Modbus RTU \u901a\u4fe1\u7684\u5de5\u4f5c\u539f\u7406\" class=\"kb-img wp-image-6563\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/How-Modbus-RTU-Communication-Works.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/How-Modbus-RTU-Communication-Works-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/How-Modbus-RTU-Communication-Works-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/How-Modbus-RTU-Communication-Works-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u6c14\u8c61\u4f20\u611f\u5668\u7684 Modbus \u5bc4\u5b58\u5668\u6620\u5c04<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6ce8\u518c\u5730\u5740<\/th><th>\u53c2\u6570<\/th><th>\u6570\u636e\u7c7b\u578b<\/th><th>\u5355\u4f4d<\/th><th>\u7f29\u653e<\/th><th>R\/W<\/th><\/tr><\/thead><tbody><tr><td>40001<\/td><td>\u7a7a\u6c14\u6e29\u5ea6<\/td><td>int16<\/td><td>\u00b0C<\/td><td>\u00d710<\/td><td>R<\/td><\/tr><tr><td>40002<\/td><td>\u76f8\u5bf9\u6e7f\u5ea6<\/td><td>uint16<\/td><td>%RH<\/td><td>\u00d710<\/td><td>R<\/td><\/tr><tr><td>40003<\/td><td>\u5927\u6c14\u538b\u529b<\/td><td>uint16<\/td><td>hPa<\/td><td>\u00d710<\/td><td>R<\/td><\/tr><tr><td>40004<\/td><td>\u9732\u70b9\u6e29\u5ea6<\/td><td>int16<\/td><td>\u00b0C<\/td><td>\u00d710<\/td><td>R<\/td><\/tr><tr><td>40005<\/td><td>\u77ac\u65f6\u98ce\u901f<\/td><td>uint16<\/td><td>\u7c73\/\u79d2<\/td><td>\u00d710<\/td><td>R<\/td><\/tr><tr><td>40006<\/td><td>\u98ce\u5411<\/td><td>uint16<\/td><td>\u00b0<\/td><td>\u00d71<\/td><td>R<\/td><\/tr><tr><td>40007<\/td><td>10 \u5206\u949f\u5e73\u5747\u98ce\u901f<\/td><td>uint16<\/td><td>\u7c73\/\u79d2<\/td><td>\u00d710<\/td><td>R<\/td><\/tr><tr><td>40008<\/td><td>\u592a\u9633\u8f90\u5c04\u603b\u91cf<\/td><td>uint16<\/td><td>\u74e6\/\u5e73\u65b9\u7c73<\/td><td>\u00d71<\/td><td>R<\/td><\/tr><tr><td>40009<\/td><td>\u7d2f\u79ef\u964d\u96e8\u91cf<\/td><td>uint16<\/td><td>\u6beb\u7c73<\/td><td>\u00d71<\/td><td>R<\/td><\/tr><tr><td>40010<\/td><td>\u8bbe\u5907\u72b6\u6001<\/td><td>uint16<\/td><td>-<\/td><td>\u00d71<\/td><td>R<\/td><\/tr><tr><td>40011<\/td><td>\u4ece\u673a\u5730\u5740<\/td><td>uint16<\/td><td>-<\/td><td>\u00d71<\/td><td>R\/W<\/td><\/tr><tr><td>40012<\/td><td>\u6ce2\u7279\u7387\u8bbe\u7f6e<\/td><td>uint16<\/td><td>-<\/td><td>\u00d71<\/td><td>R\/W<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bc4\u5b58\u5668\u5730\u5740\u91c7\u7528\u57fa\u4e8e 1 \u7684 4xxxx \u4fdd\u6301\u5bc4\u5b58\u5668\u683c\u5f0f\uff1b\u5bc4\u5b58\u5668\u504f\u79fb = \u5730\u5740 - 40001\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u6570\u636e\u7c7b\u578b\u90fd\u4f7f\u7528\u5927\u4e09\u4f4d\u5b57\u8282\u987a\u5e8f\uff1bint16 = \u6709\u7b26\u53f7 16 \u4f4d\u6574\u6570\uff0cuint16 = \u65e0\u7b26\u53f7 16 \u4f4d\u6574\u6570\u3002\u5b9e\u9645\u7269\u7406\u503c = \u539f\u59cb\u5bc4\u5b58\u5668\u503c \u00f7 \u7f29\u653e\u56e0\u5b50\u3002R = \u53ea\u8bfb\uff0cR\/W = \u8bfb\/\u5199\u914d\u7f6e\u3002\u8865\u5145\u5b9a\u4e49\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u98ce\u54110\u00b0 = \u5317\uff0c90\u00b0 = \u4e1c\uff0c180\u00b0 = \u5357\uff0c270\u00b0 = \u897f<\/li>\n\n\n\n<li>\u8bbe\u5907\u72b6\u6001\uff1a0 = \u6b63\u5e38\uff0c1 = \u6545\u969c<\/li>\n\n\n\n<li>\u6ce2\u7279\u7387\uff1a0 = 9600bps\uff0c1 = 19200bps<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u4f55\u5c06 RS485 \u4f20\u611f\u5668\u8fde\u63a5\u5230 PLC \/ \u7269\u8054\u7f51\u7cfb\u7edf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06 RS485 \u6c14\u8c61\u4f20\u611f\u5668\u8fde\u63a5\u5230 PLC \u6216\u7269\u8054\u7f51\u7cfb\u7edf\u662f\u96c6\u4e2d\u6570\u636e\u76d1\u6d4b\u548c\u63a7\u5236\u7684\u5e38\u7528\u5de5\u4e1a\u96c6\u6210\u65b9\u6cd5\u3002\u5728\u5178\u578b\u7684\u8bbe\u7f6e\u4e2d\uff0cRS485 \u4f20\u611f\u5668\u4f7f\u7528 Modbus RTU \u76f4\u63a5\u4e0e PLC \u901a\u4fe1\uff0c\u5141\u8bb8\u4ece\u591a\u4e2a\u73b0\u573a\u8bbe\u5907\u5b9e\u65f6\u91c7\u96c6\u6570\u636e\u3002\u5f53\u9700\u8981\u989d\u5916\u7684\u53ef\u6269\u5c55\u6027\u65f6\uff0c\u53ef\u4f7f\u7528\u6570\u636e\u91c7\u96c6\u6a21\u5757\u6216\u7269\u8054\u7f51\u7f51\u5173\u5c06 RS485 \u4fe1\u53f7\u8f6c\u6362\u4e3a\u4ee5\u592a\u7f51\u6216\u4e91\u5c31\u7eea\u683c\u5f0f\u3002\u8fd9\u6837\u5c31\u80fd\u4e0e SCADA \u7cfb\u7edf\u4ee5\u53ca AWS IoT \u548c Azure IoT \u7b49\u4e91\u5e73\u53f0\u65e0\u7f1d\u96c6\u6210\uff0c\u4ece\u800c\u66f4\u8f7b\u677e\u5730\u6784\u5efa\u53ef\u6269\u5c55\u7684\u7269\u8054\u7f51\u7cfb\u7edf\u3002 <a href=\"https:\/\/www.yantaisensor.com\/zh\/%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88\/%e6%b0%94%e8%b1%a1%e7%9b%91%e6%b5%8b%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88\/\" data-type=\"solutions\" data-id=\"3450\">\u667a\u80fd\u5929\u6c14\u76d1\u6d4b<\/a> \u7528\u4e8e\u5de5\u4e1a\u548c\u667a\u80fd\u57ce\u5e02\u5e94\u7528\u7684\u7f51\u7edc\u3002.<\/p>\n\n\n<style>.kb-image6554_eb5df8-16 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image6554_eb5df8-16\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/how-to-connect-RS485-sensor.webp\" alt=\"\u5982\u4f55\u8fde\u63a5 RS485 \u4f20\u611f\u5668\" class=\"kb-img wp-image-6566\" srcset=\"https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/how-to-connect-RS485-sensor.webp 800w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/how-to-connect-RS485-sensor-300x225.webp 300w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/how-to-connect-RS485-sensor-768x576.webp 768w, https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/how-to-connect-RS485-sensor-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1 RS485 \u548c Modbus \u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5b9e\u9645\u7684 RS485 \u901a\u4fe1\u548c\u57fa\u4e8e Modbus \u7684\u6c14\u8c61\u4f20\u611f\u5668\u7cfb\u7edf\u4e2d\uff0c\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u7ecf\u5e38\u4f1a\u5f71\u54cd\u6570\u636e\u7a33\u5b9a\u6027\u548c\u7cfb\u7edf\u6027\u80fd\u3002\u5927\u591a\u6570\u95ee\u9898\u4e0d\u662f\u7531\u4f20\u611f\u5668\u672c\u8eab\u5f15\u8d77\u7684\uff0c\u800c\u662f\u7531\u5e03\u7ebf\u3001\u914d\u7f6e\u6216\u73af\u5883\u5e72\u6270\u9020\u6210\u7684\u3002\u4e0b\u8868\u603b\u7ed3\u4e86\u5178\u578b\u6545\u969c\u53ca\u5176\u5b9e\u7528\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u5e2e\u52a9\u60a8\u5feb\u901f\u6392\u9664 RS485 \u8fde\u63a5\u5929\u6c14\u4f20\u611f\u5668\u7cfb\u7edf\u7684\u6545\u969c\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u95ee\u9898<\/th><th>\u539f\u56e0<\/th><th>\u89e3\u51b3\u65b9\u6848<\/th><\/tr><\/thead><tbody><tr><td>\u65e0\u4ea4\u6d41<\/td><td>A\/B \u63a5\u7ebf\u4e0d\u6b63\u786e\u6216\u6781\u6027\u63a5\u53cd<\/td><td>\u68c0\u67e5\u5e76\u6b63\u786e\u8fde\u63a5 A\/B \u7ebf\u8def<\/td><\/tr><tr><td>\u6570\u636e\u5f02\u5e38<\/td><td>\u6ce2\u7279\u7387\u6216\u534f\u8bae\u4e0d\u5339\u914d<\/td><td>\u786e\u4fdd\u6240\u6709\u8bbe\u5907\u4f7f\u7528\u76f8\u540c\u7684\u914d\u7f6e<\/td><\/tr><tr><td>\u6570\u636e\u5305\u4e22\u5931<\/td><td>\u7535\u78c1\u5e72\u6270\u6216\u5c4f\u853d\u4e0d\u826f<\/td><td>\u4f7f\u7528\u5c4f\u853d\u7535\u7f06\u5e76\u6b63\u786e\u63a5\u5730<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">RS485 \u4e0e\u65e0\u7ebf\u6c14\u8c61\u4f20\u611f\u5668<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6bd4\u8f83 RS485 \u6c14\u8c61\u4f20\u611f\u5668\u548c\u65e0\u7ebf\u6c14\u8c61\u4f20\u611f\u5668\u65f6\uff0c\u6b63\u786e\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u60a8\u7684\u5e94\u7528\u8981\u6c42\u3001\u5b89\u88c5\u73af\u5883\u548c\u957f\u671f\u7ef4\u62a4\u671f\u671b\u3002RS485 \u7cfb\u7edf\u56e0\u5176\u7a33\u5b9a\u6027\u9ad8\u3001\u6210\u672c\u4f4e\u548c\u7ef4\u62a4\u9700\u6c42\u5c11\u800c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u76d1\u6d4b\u9886\u57df\uff0c\u7279\u522b\u662f\u5728\u6c14\u8c61\u7ad9\u548c\u519c\u4e1a\u7cfb\u7edf\u7b49\u56fa\u5b9a\u5b89\u88c5\u4e2d\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u65e0\u7ebf\u89e3\u51b3\u65b9\u6848\u5b89\u88c5\u66f4\u7b80\u4fbf\uff0c\u4f46\u5728\u7a33\u5b9a\u6027\u548c\u8fd0\u884c\u6210\u672c\u65b9\u9762\u53ef\u80fd\u4f1a\u53d7\u5230\u9650\u5236\u3002\u4e0b\u9762\u7684\u6bd4\u8f83\u53ef\u4ee5\u5e2e\u52a9\u60a8\u8bc4\u4f30\u8fd9\u4e24\u79cd\u65b9\u6848\uff0c\u4ee5\u6ee1\u8db3\u60a8\u7684\u9700\u6c42\u3002 <a href=\"https:\/\/www.yantaisensor.com\/zh\/%e4%ba%a7%e5%93%81\/compact-weather-station-for-industrial-monitoring\/\">\u5de5\u4e1a\u6c14\u8c61\u4f20\u611f\u5668<\/a> \u90e8\u7f72\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7c7b\u578b<\/th><th>RS485<\/th><th>\u65e0\u7ebf<\/th><\/tr><\/thead><tbody><tr><td>\u7a33\u5b9a\u6027<\/td><td>\u9ad8<\/td><td>\u4e2d\u578b<\/td><\/tr><tr><td>\u8d39\u7528<\/td><td>\u4f4e<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u7ef4\u62a4<\/td><td>\u4f4e<\/td><td>\u9ad8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684 RS485 \u6c14\u8c61\u4f20\u611f\u5668<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9009\u62e9\u5408\u9002\u7684 RS485 \u6c14\u8c61\u4f20\u611f\u5668\u53d6\u51b3\u4e8e\u76f4\u63a5\u5f71\u54cd\u6570\u636e\u51c6\u786e\u6027\u548c\u7cfb\u7edf\u53ef\u9760\u6027\u7684\u5173\u952e\u6027\u80fd\u56e0\u7d20\u3002\u9996\u5148\uff0c\u8981\u8003\u8651\u6d4b\u91cf\u7cbe\u5ea6\uff0c\u56e0\u4e3a\u9ad8\u7cbe\u5ea6\u4f20\u611f\u5668\u53ef\u786e\u4fdd\u53ef\u9760\u7684\u73af\u5883\u76d1\u6d4b\u3002\u5176\u6b21\uff0c\u68c0\u67e5\u9632\u62a4\u7b49\u7ea7\uff0c\u5982 IP65 \u6216 IP67\uff0c\u8fd9\u51b3\u5b9a\u4e86\u8bbe\u5907\u662f\u5426\u80fd\u627f\u53d7\u96e8\u6c34\u3001\u7070\u5c18\u6216\u6f6e\u6e7f\u7b49\u6076\u52a3\u7684\u6237\u5916\u6761\u4ef6\u3002\u6700\u540e\uff0c\u786e\u4fdd\u5f3a\u5927\u7684\u534f\u8bae\u517c\u5bb9\u6027\uff0c\u5c24\u5176\u662f\u5bf9 Modbus RTU \u7684\u652f\u6301\uff0c\u4ee5\u4fdd\u8bc1\u4e0e\u63a7\u5236\u6216\u7269\u8054\u7f51\u7cfb\u7edf\u7684\u65e0\u7f1d\u96c6\u6210\u3002\u5982\u679c\u60a8\u8ba1\u5212\u8d2d\u4e70 RS-485 \u6c14\u8c61\u4f20\u611f\u5668\uff0c\u4e0e\u53ef\u9760\u7684\u5de5\u4e1a\u6c14\u8c61\u4f20\u611f\u5668\u4f9b\u5e94\u5546\u5408\u4f5c\u53ef\u786e\u4fdd\u66f4\u597d\u7684\u957f\u671f\u7a33\u5b9a\u6027\u548c\u6280\u672f\u652f\u6301\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RS485 \u662f\u7a33\u5b9a\u8fdc\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u7684\u57fa\u7840\uff0c\u800c Modbus \u5219\u662f\u6784\u9020\u548c\u89e3\u91ca\u4f20\u611f\u5668\u6570\u636e\u7684\u8bed\u8a00\u3002RS485 \u548c Modbus \u5171\u540c\u6784\u6210\u4e86\u73b0\u4ee3\u6c14\u8c61\u76d1\u6d4b\u7cfb\u7edf\u5e7f\u6cdb\u91c7\u7528\u7684\u5de5\u4e1a\u6807\u51c6\u89e3\u51b3\u65b9\u6848\uff0c\u786e\u4fdd\u5728\u5404\u79cd\u5e94\u7528\u4e2d\u5b9e\u73b0\u53ef\u9760\u7684\u901a\u4fe1\u3001\u8f7b\u677e\u7684\u96c6\u6210\u548c\u53ef\u6269\u5c55\u7684\u90e8\u7f72\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u60a8\u6b63\u5728\u89c4\u5212\u6c14\u8c61\u76d1\u6d4b\u6216\u7269\u8054\u7f51\u9879\u76ee\uff0c\u5e76\u9700\u8981 RS485\/Modbus \u4f20\u611f\u5668\u9009\u62e9\u3001\u5b89\u88c5\u6216\u914d\u7f6e\u65b9\u9762\u7684\u5e2e\u52a9\uff0c\u8bf7\u968f\u65f6\u8054\u7cfb\u6211\u4eec\uff0c\u6211\u4eec\u5c06\u4e3a\u60a8\u63d0\u4f9b\u6280\u672f\u652f\u6301\u548c\u5b9a\u5236\u89e3\u51b3\u65b9\u6848\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n<style>.kt-accordion-id6554_0cd4cb-7d .kt-accordion-inner-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:10px;}.kt-accordion-id6554_0cd4cb-7d .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kt-accordion-id6554_0cd4cb-7d > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;background:#f2f2f2;color:#555555;padding-top:9px;padding-right:13px;padding-bottom:9px;padding-left:13px;}.kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:before{background:#555555;}.kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger{background:#555555;}.kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:before{background:#f2f2f2;}.kt-accordion-id6554_0cd4cb-7d > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id6554_0cd4cb-7d .kt-blocks-accordion-header:focus-visible{color:#444444;background:#eeeeee;border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}.kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion--visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#444444;}.kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger, body:not(.hide-focus-outline) .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger{background:#444444;}.kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#eeeeee;}.kt-accordion-id6554_0cd4cb-7d .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id6554_0cd4cb-7d > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{color:#ffffff;background:var(--global-palette1, #3182CE);border-top:1px solid #444444;border-right:1px solid #444444;border-bottom:1px solid #444444;border-left:1px solid #444444;}.kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#ffffff;}.kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger{background:#ffffff;}.kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id6554_0cd4cb-7d:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:var(--global-palette1, #3182CE);}@media all and (max-width: 1024px){.kt-accordion-id6554_0cd4cb-7d .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}}@media all and (max-width: 1024px){.kt-accordion-id6554_0cd4cb-7d > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;}}@media all and (max-width: 1024px){.kt-accordion-id6554_0cd4cb-7d > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id6554_0cd4cb-7d .kt-blocks-accordion-header:focus-visible{border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}}@media all and (max-width: 1024px){.kt-accordion-id6554_0cd4cb-7d .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id6554_0cd4cb-7d > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #444444;border-right:1px solid #444444;border-bottom:1px solid #444444;border-left:1px solid #444444;}}@media all and (max-width: 767px){.kt-accordion-id6554_0cd4cb-7d .kt-accordion-inner-wrap{display:block;}.kt-accordion-id6554_0cd4cb-7d .kt-accordion-inner-wrap .kt-accordion-pane:not(:first-child){margin-top:10px;}.kt-accordion-id6554_0cd4cb-7d .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}.kt-accordion-id6554_0cd4cb-7d > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;}.kt-accordion-id6554_0cd4cb-7d > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id6554_0cd4cb-7d .kt-blocks-accordion-header:focus-visible{border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}.kt-accordion-id6554_0cd4cb-7d .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id6554_0cd4cb-7d > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #444444;border-right:1px solid #444444;border-bottom:1px solid #444444;border-left:1px solid #444444;}}<\/style>\n<div class=\"wp-block-kadence-accordion alignnone\"><div class=\"kt-accordion-wrap kt-accordion-id6554_0cd4cb-7d kt-accordion-has-5-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-basic kt-accodion-icon-side-right\" style=\"max-width:none\"><div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"0\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane6554_7ed80d-88\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">RS485 \u5728\u6c14\u8c61\u4f20\u611f\u5668\u4e2d\u7684\u7528\u9014\u662f\u4ec0\u4e48\uff1f<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">RS485 \u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u4e2d\u6c14\u8c61\u4f20\u611f\u5668\u548c\u63a7\u5236\u7cfb\u7edf\u4e4b\u95f4\u7a33\u5b9a\u7684\u957f\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u3002.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-2 kt-pane6554_c1ee44-18\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">RS485 \u548c Modbus \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">RS485 \u662f\u7269\u7406\u901a\u4fe1\u5c42\uff0c\u800c Modbus \u662f\u5b9a\u4e49\u6570\u636e\u7ed3\u6784\u548c\u89e3\u91ca\u65b9\u5f0f\u7684\u534f\u8bae\u3002.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-3 kt-pane6554_ccb554-06\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">Modbus \u53ef\u4ee5\u5728\u6ca1\u6709 RS485 \u7684\u60c5\u51b5\u4e0b\u5de5\u4f5c\u5417\uff1f<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">\u662f\u7684\uff0cModbus \u53ef\u4ee5\u901a\u8fc7\u4ee5\u592a\u7f51\uff08Modbus TCP\uff09\u7b49\u5176\u4ed6\u63a5\u53e3\u8fd0\u884c\uff0c\u4f46 RS485 \u662f\u6c14\u8c61\u4f20\u611f\u5668\u6700\u5e38\u7528\u7684\u63a5\u53e3\u3002.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-4 kt-pane6554_db9182-df\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">RS485 \u53ef\u4ee5\u8fde\u63a5\u591a\u5c11\u53f0\u8bbe\u5907\uff1f<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">\u6839\u636e\u7cfb\u7edf\u8bbe\u8ba1\u548c\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u6bcf\u6761\u603b\u7ebf\u901a\u5e38\u6700\u591a\u53ef\u8fde\u63a5 32 \u53f0\u8bbe\u5907\u3002.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-5 kt-pane6554_001bc3-45\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">RS485 \u662f\u5426\u9002\u7528\u4e8e\u5ba4\u5916\u6c14\u8c61\u76d1\u6d4b\u7cfb\u7edf\uff1f<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">\u662f\u7684\uff0c\u5b83\u5177\u6709\u5f88\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b\uff0c\u56e0\u6b64\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u9610\u8ff0\u4e86\u6c14\u8c61\u4f20\u611f\u5668\u7cfb\u7edf\u4e2dRS485\u548cModbus\u534f\u8bae\u7684\u5173\u952e\u539f\u7406\uff0c\u5305\u62ec\u4e24\u8005\u7684\u533a\u522b\u3001\u5e03\u7ebf\u65b9\u6cd5\u53ca\u901a\u4fe1\u7ed3\u6784\u3002\u6b64\u5916\uff0c\u672c\u6587\u8fd8\u4ecb\u7ecd\u4e86\u8fd9\u4e24\u79cd\u534f\u8bae\u4e3a\u4f55\u5728\u5de5\u4e1a\u6c14\u8c61\u76d1\u6d4b\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\uff0c\u5982\u4f55\u5c06\u5176\u4e0ePLC\u548c\u7269\u8054\u7f51\u5e73\u53f0\u96c6\u6210\uff0c\u4ee5\u53ca\u5e38\u89c1\u7684\u6545\u969c\u6392\u9664\u65b9\u6cd5\u3002RS485\u548cModbus\u5171\u540c\u4e3a\u53ef\u9760\u7684\u73af\u5883\u6570\u636e\u91c7\u96c6\u63d0\u4f9b\u4e86\u7a33\u5b9a\u3001\u53ef\u6269\u5c55\u4e14\u7b26\u5408\u884c\u4e1a\u6807\u51c6\u7684\u89e3\u51b3\u65b9\u6848\u3002.<\/p>","protected":false},"author":1,"featured_media":6565,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-6554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"taxonomy_info":{"category":[{"value":11,"label":"Blog"}]},"featured_image_src_large":["https:\/\/www.yantaisensor.com\/wp-content\/uploads\/2026\/05\/RS485-weather-sensor.webp",800,600,false],"author_info":{"display_name":"admin","author_link":"https:\/\/www.yantaisensor.com\/zh\/author\/admin"},"comment_info":0,"category_info":[{"term_id":11,"name":"Blog","slug":"blog","term_group":0,"term_taxonomy_id":11,"taxonomy":"category","description":"","parent":0,"count":56,"filter":"raw","cat_ID":11,"category_count":56,"category_description":"","cat_name":"Blog","category_nicename":"blog","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/posts\/6554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/comments?post=6554"}],"version-history":[{"count":8,"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/posts\/6554\/revisions"}],"predecessor-version":[{"id":7468,"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/posts\/6554\/revisions\/7468"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/media\/6565"}],"wp:attachment":[{"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/media?parent=6554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/categories?post=6554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yantaisensor.com\/zh\/wp-json\/wp\/v2\/tags?post=6554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}