"# RS485\u901a\u8bafModbus\u534f\u8bae\u7535\u52a8\u98ce\u9600\u6267\u884c\u56680-10V,4~20ma\n\n> 2022-12-18 | 2026-07-01\n> https:\/\/www.modbus.cn\/en\/11304.html\n\n**\u8bbe\u5907\u5bc4\u5b58\u5668\u624b\u518c**\n\n---\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/12\/1671364508-image.png)\r\n\r\n\r\n\r\n\n## \u7279\u6027\u4e0e\u53c2\u6570\n\n\r\n\r\n\r\n\r\n\n\u53ef\u9009\u62e9\u4f7f\u7528\u9762\u677f\u6216\u662f\u63a7\u5236\u5668\u6e29\u5ea6\n\u6e29\u5ea6\u663e\u793a\/\u6e29\u5ea6\u8bbe\u5b9a\/\u6e29\u5ea6\u6821\u6b63\n\u9a6c\u8fbe\u8fc7\u7535\u6d41\u4fdd\u62a4\u9ad8\u9650\u503c \/\u9a6c\u8fbe\u5f3a\u5236\u624b\u52a8\n\u98ce\u9600\u6700\u5927\u5f00\u5ea6\/\u98ce\u9600\u6700\u5c0f\u5f00\u5ea6\u8bbe\u5b9a\n\u98ce\u9600\u5f00\u5ea6\u56de\u6388\u53ef\u9009\u62e9(0:0-10V 1:-20mA)\n\u9759\u538b\u663e\u793a\/\u9759\u538b\u8bbe\u5b9a\/\u9759\u538b\u6821\u6b63\n\u98ce\u7ba1\u6570\u503c\u8f93\u5165\u9009\u62e9\u6709:\u7ba1\u5f84\u53ca\u9762\u79ef\u4e24\u79cd\u65b9\u5f0f\n\u98ce\u91cf\u663e\u793a\/\u98ce\u91cf\u8bbe\u5b9a\u53ca\u6700\u5927\u98ce\u91cf\u8bbe\u5b9a\/\u6700\u5c0f\u98ce\u91cf\u8bbe\u5b9a\n\u98ce\u901f\u663e\u793a\/\u98ce\u901f\u8bbe\u5b9a\n\n\r\n\r\n\r\n\r\n\n## \u4ea7\u54c1\u89c4\u683c\n\n\r\n\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/12\/1671365195-1671365202439-950x862.png)\r\n\r\n\r\n\r\n\n## \u63a5\u7ebf\u56fe\n\n\r\n\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/12\/1671365249-1671365259021-950x554.png)\r\n\r\n\r\n\r\n\n## \u901a\u8baf\u534f\u8bae\n\n\r\n\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/12\/1671365282-image.png)\r\n\r\n\r\n\r\n\n## \u5c3a\u5bf8\u56fe\n\n\r\n\r\n\r\n\r\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/12\/1671365321-1671365335614-950x659.png)\r\n\r\n\r\n\r\n\n## **\u9700\u8981\u6b64\u4ea7\u54c1\u8bf7\u8054\u7cfb\u6211\u4eec**\uff01\uff01\uff01\n\n\r\n\r\n\r\n\r\n[![RS485\u901a\u8bafModbus\u534f\u8bae\u7a7a\u6c14\u8d28\u91cf\u4f20\u611f\u56687\u5408\u4e00\u7532\u919b CO2 TVOC PM2.5 \u6e29\u6e7f\u5ea6\u63d2\u56fe19](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/11\/1668691218-weixin.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/11\/1668691218-weixin.png)\n\n---\n*modbus.cn*\n"