{"product_id":"waveshare-modbus-rtu-8-channel-relay-module-rs485","title":"Waveshare Modbus RTU 8-channel Relay Module RS485","description":"\u003cmeta name=\"description\" content=\"Buy Waveshare Modbus RTU 8channel Relay Module RS485 online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eWaveshare Modbus RTU 8-Channel Relay Module RS485\u003c\/h1\u003e\n\n\u003cp\u003ePremium industrial-grade relay control module from Waveshare. Perfect for automation, IoT, and industrial applications requiring reliable remote switching capabilities.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe Waveshare Modbus RTU 8-channel Relay Module is a professional-grade switching device designed for industrial automation and control systems. With RS485 communication and Modbus RTU protocol support, this module enables seamless integration into complex automation networks.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 Independent Relay Channels\u003c\/strong\u003e - Control up to 8 devices simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModbus RTU Protocol\u003c\/strong\u003e - Industry-standard communication for easy integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS485 Interface\u003c\/strong\u003e - Long-distance, noise-resistant communication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Support\u003c\/strong\u003e - Compatible with various power supply requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Relay Outputs\u003c\/strong\u003e - Protects control circuits from high-voltage loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Status Indicators\u003c\/strong\u003e - Real-time feedback for each relay channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Mountable\u003c\/strong\u003e - Professional installation in control cabinets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectromagnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A @ 250VAC \/ 30VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12-24VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBaud Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9600-115200 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 degreesC to +60 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompact industrial form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupport\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24\/7 Email \u0026amp; WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose This Product?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e - Sourced directly from authorized Waveshare distributors\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Grade\u003c\/strong\u003e - Proven reliability in demanding applications\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFast Shipping\u003c\/strong\u003e - 1-5 days from Bengaluru warehouse, delivered in 7-8 days\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Support\u003c\/strong\u003e - Technical assistance throughout product lifecycle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCost-Effective\u003c\/strong\u003e - Professional functionality at competitive pricing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Integration\u003c\/strong\u003e - Standard Modbus RTU protocol, widely supported\u003c\/p\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\n\u003ch3\u003eIndustrial Automation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturing equipment control\u003c\/li\u003e\n\u003cli\u003eHVAC system management\u003c\/li\u003e\n\u003cli\u003eLighting automation\u003c\/li\u003e\n\u003cli\u003eMotor control and switching\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIoT \u0026amp; Smart Systems\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRemote device activation\u003c\/li\u003e\n\u003cli\u003eBuilding automation\u003c\/li\u003e\n\u003cli\u003eSmart home integration\u003c\/li\u003e\n\u003cli\u003eEnvironmental monitoring systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnergy Management\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLoad switching and distribution\u003c\/li\u003e\n\u003cli\u003ePower supply management\u003c\/li\u003e\n\u003cli\u003eEquipment sequencing\u003c\/li\u003e\n\u003cli\u003eEnergy monitoring systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLaboratory \u0026amp; Education\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExperimental automation\u003c\/li\u003e\n\u003cli\u003eControl system learning\u003c\/li\u003e\n\u003cli\u003ePrototyping and development\u003c\/li\u003e\n\u003cli\u003eResearch applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1x Waveshare Modbus RTU 8-Channel Relay Module\u003c\/li\u003e\n\u003cli\u003eRS485 connection documentation\u003c\/li\u003e\n\u003cli\u003eModbus RTU protocol guide\u003c\/li\u003e\n\u003cli\u003eWiring diagram and pinout information\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003cli\u003eTechnical support contact details\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eConnectivity \u0026amp; Integration\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eRS485 Communication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire or 4-wire connection options\u003c\/li\u003e\n\u003cli\u003eDaisy-chain multiple modules\u003c\/li\u003e\n\u003cli\u003eMaximum cable length: 1200m\u003c\/li\u003e\n\u003cli\u003eSupports up to 32 devices on single bus\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProtocol Support:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFull Modbus RTU implementation\u003c\/li\u003e\n\u003cli\u003eStandard holding registers for relay control\u003c\/li\u003e\n\u003cli\u003eInput registers for status monitoring\u003c\/li\u003e\n\u003cli\u003eEasy integration with PLC, microcontroller, and industrial systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Connection\u003c\/strong\u003e - Connect 12-24VDC power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS485 Wiring\u003c\/strong\u003e - Connect to master controller (PLC\/microcontroller)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Outputs\u003c\/strong\u003e - Connect load circuits to relay terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration\u003c\/strong\u003e - Set device address via DIP switches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting\u003c\/strong\u003e - Verify relay operation with Modbus commands\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Switching\u003c\/strong\u003e - Electromagnetic relays with proven durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Immunity\u003c\/strong\u003e - RS485 differential signaling reduces interference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalability\u003c\/strong\u003e - Daisy-chain multiple modules for expanded control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time Feedback\u003c\/strong\u003e - LED indicators for instant status verification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Operation\u003c\/strong\u003e - Isolated outputs protect control circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\n\n\u003cp\u003eAuthentic Waveshare product with full verification \n\u003c\/p\u003e\u003cp\u003eComprehensive testing before dispatch\u003c\/p\u003e\n\u003cp\u003e7-day warranty on manufacturing defects included\u003c\/p\u003e\n\u003cp\u003eQuality packaging for safe delivery\u003c\/p\u003e\n\u003cp\u003eExpert technical support team available\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this an authentic Waveshare product?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, 100% authentic. Sourced from authorized Waveshare distributors with full authentication verification and warranty support.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat warranty is included?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eFull 7-day warranty on manufacturing defects covering all defects in materials and workmanship. Extended warranty options available.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow quickly will I receive this?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eStandard shipping: 7-8 days to most of India from our Bengaluru warehouse. Express options available on request.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I control multiple modules on one RS485 bus?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, up to 32 modules can be connected on a single RS485 bus with unique Modbus addresses. Address configuration is via DIP switches.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's the maximum cable length for RS485?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eStandard RS485 supports up to 1200 meters with proper termination resistors. Actual distance depends on baud rate and cable quality.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs technical support available?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, full 24\/7 technical support via email and WhatsApp. Our team provides integration assistance, troubleshooting, and documentation support.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's your return policy?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only with full refund or replacement.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eBuy Waveshare Modbus RTU 8-channel Relay Module RS485 Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eWaveshare Modbus RTU 8-channel Relay Module RS485\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eWaveshare Modbus RTU 8-channel Relay Module RS485\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eWaveshare Modbus RTU 8-channel Relay Module RS485\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43774132945059,"sku":"TES-EV103677","price":3577.5,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/1_681e984c-78d7-4d55-9af8-aac344f49ade.png?v=1701076558","url":"https:\/\/www.theengineerstore.in\/zh-hans\/products\/waveshare-modbus-rtu-8-channel-relay-module-rs485","provider":"The Engineer Store","version":"1.0","type":"link"}