{"product_id":"isolated-1-to-8-rs485-hub","title":"Isolated 8-Port RS485 Hub","description":"\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S27a28312c02348f599b907940c61b9a0x.png\"\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eIsolated 8-Port RS485 Hub\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e1-to-8 Expansion | 1500V Isolation | Industrial-Grade Reliable Extension\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5 class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003ca href=\"https:\/\/www.yanjiiot.com\/about-yanji\/\"\u003e\u003cb\u003e\u003cu\u003e\u003cspan class=\"15\"\u003eGet Quote Now | Free Technical Solution Consultation\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cu\u003e\u003cspan class=\"15\"\u003e\u003cspan style=\"font-family: 宋体;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/a\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eCommon Pain Points in RS485 Bus Applications\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp dir=\"auto\"\u003e In large-scale RS485 deployments for industrial sites, buildings, security, and energy collection, users frequently face these issues: excessive device load overwhelming the bus, limited communication distance, frequent signal interference, complex and error-prone wiring, poor stability in harsh environments, difficult expansion, and high maintenance costs.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eSolution\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e1.1-to-8 Multi-Channel Expansion: One master connects up to 8 slaves with bidirectional transparent transmission, enabling fast construction of distributed networks.\u003c\/p\u003e\n\u003cp\u003e2.1500V Photoelectric Isolation + Multiple Protections: Complete input-output isolation (1500V), built-in overcurrent, overvoltage, reverse polarity, and 1500V surge protection for superior anti-interference performance.\u003c\/p\u003e\n\u003cp\u003e3.Up to 1200m Stable Communication: Standard RS485 bus distance supports large-scale deployments (add a repeater when exceeding 32 devices or 1200m).\u003c\/p\u003e\n\u003cp\u003e4.Industrial-Grade Wide Temperature \u0026amp; Voltage Design: DC 7–30V wide voltage input, -40°C to +85°C full-range operation, reliable in extreme conditions.\u003c\/p\u003e\n\u003cp\u003e5.Plug-and-Play, Zero Configuration: Fully compatible with Modbus RTU protocol, seamless integration with SCADA systems, IoT gateways, and cloud platforms for rapid deployment.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" data-col-size=\"md\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align: left;\" data-col-size=\"lg\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eRS485 (Modbus RTU compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003ePort Configuration\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e1 uplink + 8 downlink (isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eBaud Rate\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e2400 \/ 4800 \/ 9600 \/ 19200 \/ 38400 \/ 57600 \/ 115200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e1500V (input-output independent isolation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eCommunication Distance\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eUp to 1200 meters (standard bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eDC 7–30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e-40°C ~ +85°C (0–95% RH, non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eApprox. 102.5 × 70 × 35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eMounting\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e35mm DIN rail or wall mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eProtection Features\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eOvercurrent, overvoltage, reverse polarity, surge protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp dir=\"auto\"\u003eWidely used in industrial automation production line data acquisition, remote power\/energy metering, security surveillance and access control, building intercom systems, highway toll collection, parking management, smart factory and warehouse multi-sensor networks, and any scenario requiring large-scale, long-distance, stable RS485 bus expansion in industrial IoT applications.\u003c\/p\u003e\n\u003ch5\u003e\u003ca href=\"https:\/\/www.yanjiiot.com\/\"\u003eContact us now to accelerate your industrial IoT project deployment!\u003c\/a\u003e\u003c\/h5\u003e","brand":"YenGear Store","offers":[{"title":"8 Channels \/ RS485","offer_id":48445773644018,"sku":"14:350852#8 Channels;200007763:201336100;3:201010228#RS485","price":30.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/5563\/3138\/files\/rs485-hub.jpg?v=1770505270","url":"https:\/\/store.yengear.com\/products\/isolated-1-to-8-rs485-hub","provider":"YenGear Store","version":"1.0","type":"link"}