{"title":"Relay Outout I\/O Modules","description":"","products":[{"product_id":"y301-220-222-io-module-2-digital-input-relay-output-analog-input","title":"Y301-220\/222 2DI+2DO+2AI I\/O Module","description":"\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S63597ebb84434e74a6040746321ab66fc.jpg\"\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e2DI + 2DO + 2AI Multi-Function I\/O Module\u003c\/strong\u003e \u003cstrong\u003eY301-220\/222 Series | Industrial-Grade | Modbus RTU | Compact Relay + Analog Control\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 class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eCommon Pain Points\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp dir=\"auto\"\u003eTraditional small-scale I\/O modules often suffer from rigid channel configurations limiting multi-signal adaptation, insufficient isolation causing interference or crashes in noisy environments, low relay load capacity unable to directly drive 220V loads, narrow voltage\/temperature tolerance leading to failures in field conditions, and complicated integration\/setup with PLC\/SCADA systems — resulting in poor reliability, scalability issues, and increased deployment time\/cost for small-to-medium automation and IoT projects.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eSolution \u0026amp; Core Features\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e1.Compact Multi-Function Design — 2 digital inputs (dry\/wet contact, opto-isolated), 2 high-load relay outputs, and 2 switchable analog inputs (0-10V \/ 4-20mA), perfect for space-constrained applications needing combined switch \u0026amp; analog control.\u003c\/p\u003e\n\u003cp\u003e2.Industrial-Grade Stability — 5000V optoelectronic isolation on inputs, hardware watchdog for anti-crash protection, -40°C to +85°C wide temperature range, DC 5-36V wide voltage input for reliable operation in harsh environments.\u003c\/p\u003e\n\u003cp\u003e3.Powerful Load Drive — Relay contacts rated 277VAC\/10A \u0026amp; 30VDC\/10A, directly drives 220V lamps, solenoid valves, motors, etc. (380V loads via contactors).\u003c\/p\u003e\n\u003cp\u003e4.Strong Anti-Interference — Multi-level surge\/overcurrent\/overvoltage\/reverse polarity protection, robust noise immunity ensuring stable signal acquisition and output.\u003c\/p\u003e\n\u003cp\u003e5.Seamless \u0026amp; Fast Integration — Standard Modbus RTU protocol, DIP switch quick addressing, plug-and-play compatibility with PLC\/LabVIEW\/SCADA\/cloud platforms.\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 style=\"width: 100.087%; height: 267.313px;\" dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eModel Series\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003eY301-220 \/ Y301-222\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eDigital Inputs (DI)\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003e2 channels (dry\/wet contact, opto-isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eDigital Outputs (DO)\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003e2 channels relay output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eAnalog Inputs (AI)\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003e2 channels (switchable 0-10V \/ 4-20mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eRelay Contact Rating\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003e277VAC\/10A, 28VDC\/10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003e5000V (opto-coupler input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003eRS485 \/ RS232 (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eProtocol\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003eModbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003eDC 5–36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003e-40°C ~ +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eHumidity\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003e5% ~ 95% RH, non-condensing\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 19.5938px;\" data-col-size=\"md\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 19.5938px;\" data-col-size=\"lg\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003e82 x 54 x 32 mm\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 12.5938px;\"\u003e\n\u003ctd style=\"width: 35.8116%; height: 12.5938px;\" data-col-size=\"md\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"width: 61.3288%; height: 12.5938px;\" data-col-size=\"lg\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003e35 mm DIN clip or screw slots\u003c\/span\u003e\n\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 compact industrial automation (small equipment monitoring \u0026amp; control), smart agriculture (greenhouse fan\/valve\/irrigation sensor linkage), smart home\/building (lighting\/HVAC\/access control), water treatment (pump\/valve status \u0026amp; flow monitoring), energy management (small distribution switch \u0026amp; sensor acquisition), vending\/kiosk systems, and any space-limited industrial IoT, process control, or remote monitoring scenario requiring reliable multi-signal I\/O with easy Modbus integration.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003ca href=\"https:\/\/docs.yanjiiot.com\/products\/io-module\/Y301-220-222-specification.html\"\u003e\u003cspan\u003e\u003cu\u003e\u003cspan class=\"15\"\u003eCheck the product specification sheet\u003c\/span\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"YenGear Store","offers":[{"title":"Y301-222 \/ RS485","offer_id":48266846109938,"sku":"100007795:200660833;14:29#Y301-222;200007763:201336100;3:201010228#RS485","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Y301-220 \/ RS485","offer_id":48266846142706,"sku":"100007795:200660833;14:350852#Y301-220;200007763:201336100;3:201010228#RS485","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/5563\/3138\/files\/Y301-220.jpg?v=1771041084"},{"product_id":"y301-440-444-io-module-4-digital-input-relay-output-analog-input","title":"Y301-440\/444 4DI+4DO +4AI I\/O Module","description":"\u003cp\u003e\u003cspan style=\"color: #333;\"\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6991be73718442088692c90088b1dacbx.jpg\"\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e4DI + 4DO + 4AI Multi-Function I\/O Module\u003c\/strong\u003e \u003cstrong\u003eY301-440\/444 Series | Industrial-Grade | Modbus RTU | Relay + Analog I\/O\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 class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eCommon Pain Points\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp dir=\"auto\"\u003eTraditional I\/O modules often suffer from channel\/signal inflexibility limiting multi-type device integration, narrow voltage\/temperature tolerance causing failures in harsh environments, low relay load capacity unable to directly drive 220V\/380V loads, weak isolation leading to interference\/crashes, and complex setup hindering fast integration with PLC\/SCADA\/LabVIEW systems — severely reducing reliability, adaptability, and deployment efficiency in industrial automation and IoT projects.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eSolution \u0026amp; Core Features\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e1.Flexible Multi-Function Configuration — 4 digital inputs (dry\/wet contact, opto-isolated), 4 high-load relay outputs, and 4 analog inputs (switchable 0-10V \/ 4-20mA), one module covers switch acquisition, power control, and analog monitoring needs.\u003c\/p\u003e\n\u003cp\u003e2.Industrial-Grade Reliability — 5000V optoelectronic isolation on inputs, hardware watchdog anti-crash, -40°C to +85°C wide temperature operation, DC 5-36V wide voltage input for extreme environment stability.\u003c\/p\u003e\n\u003cp\u003e3.High-Load Direct Drive — Relay contacts rated 277VAC\/10A \u0026amp; 30VDC\/10A, directly drives 220V lamps\/valves\/motors (380V loads via contactors).\u003c\/p\u003e\n\u003cp\u003e4.Strong Anti-Interference \u0026amp; Protection — Multi-level surge\/overcurrent\/overvoltage\/reverse polarity protection, robust noise immunity for reliable field operation.\u003c\/p\u003e\n\u003cp\u003e5.Easy \u0026amp; Fast Integration — Standard Modbus RTU protocol, DIP switch quick addressing, plug-and-play compatibility with PLC\/SCADA\/LabVIEW\/cloud platforms.\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 data-col-size=\"md\"\u003eParameter\u003c\/th\u003e\n\u003cth 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\"\u003eModel Series\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eY301-440 \/ Y301-444\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eDigital Inputs (DI)\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e4 channels (dry\/wet contact, opto-isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eDigital Outputs (DO)\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e4 channels relay output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eAnalog Inputs (AI)\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e4 channels (switchable 0-10V \/ 4-20mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eRelay Contact Rating\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e277VAC\/10A, 30VDC\/10A\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\"\u003e5000V (opto-coupler input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eRS485 \/ RS232 (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eProtocol\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eModbus RTU\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 5–36V\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e0–95% 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\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\"\u003e Widely used in industrial automation (equipment status monitoring \u0026amp; actuator control), smart manufacturing (production line switch \u0026amp; analog signal acquisition), smart agriculture (greenhouse fan\/valve\/irrigation control), building automation (lighting\/HVAC\/access control), water \u0026amp; environmental systems (pump\/valve monitoring \u0026amp; regulation), energy \u0026amp; power (distribution cabinet switch \u0026amp; sensor data), smart home\/commercial facilities (remote lighting\/appliance control), and any industrial IoT or process control scenario requiring integrated digital I\/O + analog acquisition with high reliability and easy Modbus integration.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003ca href=\"https:\/\/docs.yanjiiot.com\/products\/io-module\/Y301-440-444-specification.html\"\u003e\u003cspan\u003e\u003cu\u003e\u003cspan class=\"15\"\u003eCheck the product specification sheet\u003c\/span\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h5\u003e","brand":"YenGear Store","offers":[{"title":"Y301-440 \/ RS485","offer_id":48266846208242,"sku":"100007795:200660833;14:350852#Y301-440;200007763:201336100;3:201010228#RS485","price":27.99,"currency_code":"USD","in_stock":true},{"title":"Y301-444 \/ RS485","offer_id":48266846241010,"sku":"100007795:200660833;14:29#Y301-444;200007763:201336100;3:201010228#RS485","price":35.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/5563\/3138\/files\/Y301-440.jpg?v=1771040728"},{"product_id":"y301-880-io-module-8-digital-input-relay-output","title":"Y301-880 8DI+8DO I\/O Module","description":"\u003ch3\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4489672c1cc846729876853e9ea49df5P.jpg\"\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e8-Channel DI + 8-Channel DO I\/O Module\u003c\/strong\u003e \u003cstrong\u003eY301-880 | Industrial-Grade | Modbus RTU | High-Load Relay Output \u0026amp; Opto-Isolated Input\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\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp dir=\"auto\"\u003eTraditional digital I\/O modules often face limited channel counts unable to cover multi-device control, weak isolation leading to noise\/surge interference, low relay load capacity preventing direct drive of high-power devices, narrow power voltage range causing instability in field power supply, short communication distance restricting remote deployment, complicated address setup hindering expansion, and poor temperature tolerance unsuitable for extreme environments — severely impacting stability, scalability, and efficiency in industrial automation, smart home, and IoT projects.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5 dir=\"auto\"\u003e\u003cstrong\u003eSolution \u0026amp; Core Features\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e1.High-Density 8DI + 8DO Configuration — 8 opto-isolated digital inputs (support dry contact\/wet contact, NPN\/PNP) + 8 high-load relay outputs (277VAC\/10A), one module meets multi-channel switch acquisition and control needs.\u003c\/p\u003e\n\u003cp\u003e2.Industrial-Grade Isolation \u0026amp; Protection — 5000V opto-coupler isolation on inputs, hardware watchdog anti-crash, multi-level surge\/overcurrent\/overvoltage\/reverse polarity protection for strong noise immunity and device\/host safety.\u003c\/p\u003e\n\u003cp\u003e3.High-Load Direct Drive Capability — Relay contacts rated up to 277VAC\/10A \u0026amp; 30VDC\/10A, directly drives 220V lamps, solenoid valves, motors, etc. (380V devices via contactors).\u003c\/p\u003e\n\u003cp\u003e4.Wide Temperature \u0026amp; Voltage Stability — DC 5–36V wide input (compatible with 9V\/12V\/24V sources), -40°C to +85°C full industrial temperature range, suitable for outdoor\/high\/low-temperature harsh environments.\u003c\/p\u003e\n\u003cp\u003e5.Easy Modbus Integration — Standard Modbus RTU protocol, RS485\/RS232 interface support, DIP switch quick addressing, multi-module cascading expansion, seamless compatibility with PLC\/SCADA\/LabVIEW\/cloud platforms, true plug-and-play.\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 data-col-size=\"md\"\u003eParameter\u003c\/th\u003e\n\u003cth 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\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eY301-880\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eDigital Inputs (DI)\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e8 channels (dry contact \/ wet contact, opto-isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eDigital Outputs (DO)\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e8 channels relay output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eRelay Contact Rating\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e277VAC\/10A, 30VDC\/10A\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\"\u003e5000V (opto-coupler input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eRS485 \/ RS232 (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eProtocol\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eModbus RTU\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\"\u003e1200–115200 bps\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 5–36V\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e0–95% 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eApprox. 170g\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\"\u003e Widely applied in industrial automation (equipment start\/stop \u0026amp; multi-channel switch control), smart manufacturing (production line status monitoring \u0026amp; execution), smart home (remote lighting\/curtain\/appliance control), smart agriculture (greenhouse irrigation\/fan\/roller shutter control), water \u0026amp; environmental protection (pump\/valve switch \u0026amp; level linkage), building automation (access control\/lighting\/HVAC control), intelligent transportation (barrier\/signal light control), energy \u0026amp; power (distribution cabinet switch monitoring), and any industrial, commercial, or IoT scenario requiring high-density digital acquisition and high-power relay output.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch5\u003e\n\u003ca href=\"https:\/\/docs.yanjiiot.com\/products\/io-module\/Y301-880-specification.html\"\u003e\u003cspan\u003e\u003cu\u003e\u003cspan class=\"15\"\u003eCheck the product specification sheet\u003c\/span\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h5\u003e","brand":"YenGear Store","offers":[{"title":"RS485","offer_id":48266846175474,"sku":"100007795:966;14:350852;200007763:201336100;3:201010228#RS485","price":35.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/5563\/3138\/files\/Y301-880.jpg?v=1771040250"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/5563\/3138\/collections\/relayoutput_io_module.jpg?v=1765856333","url":"https:\/\/store.yengear.com\/collections\/relay-outoup-i-o-modules.oembed","provider":"YenGear Store","version":"1.0","type":"link"}