{"product_id":"waveshare-modbus-rtu-32-ch-relay-module-rs485-interface-with-multiple-isolation-protection-circuits","title":"Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits","description":"\u003cmeta name=\"description\" content=\"Buy Waveshare Modbus RTU 32Ch Relay Module RS485 Interface With 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```html\n\u003ch1\u003eWaveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits\u003c\/h1\u003e\n\n\u003cp\u003eTake command of large-scale automation with this industrial-grade Waveshare 32-Channel Relay Module featuring Modbus RTU protocol over RS485 interface. Designed with multiple isolation protection circuits for rock-solid reliability, this module is ideal for smart building management, industrial control panels, and agricultural automation systems. Available now at The Engineer Store, Bengaluru - trusted by engineers and professionals across India.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWaveshare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eModbus RTU 32-Channel Relay Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eRS485 (Modbus RTU Protocol)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Relay Channels\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003eElectromechanical Relay (NO\/NC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Rated Load\u003c\/td\u003e\n\u003ctd\u003e10A @ 250V AC \/ 10A @ 30V DC (per channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Protection\u003c\/td\u003e\n\u003ctd\u003eMultiple isolation circuits (optocoupler isolation, TVS protection, power isolation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003e4800 \/ 9600 \/ 19200 \/ 38400 \/ 57600 \/ 115200 bps (configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Address\u003c\/td\u003e\n\u003ctd\u003eConfigurable (1-247, Modbus standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Topology\u003c\/td\u003e\n\u003ctd\u003eSupports daisy-chaining of multiple modules on a single RS485 bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicator LEDs\u003c\/td\u003e\n\u003ctd\u003ePer-channel relay status LEDs + Power LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eScrew terminals for relay outputs; RS485 terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degreesC to +85 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 300 x 75 mm (designed for DIN rail or panel mounting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal Waveshare \/ Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003eRs.6,277.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e32 Independent Relay Channels:\u003c\/strong\u003e Control up to 32 separate loads - lights, motors, solenoid valves, heaters, and more - from a single module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModbus RTU over RS485:\u003c\/strong\u003e Industry-standard communication protocol enables seamless integration with PLCs, HMIs, SCADA systems, and microcontrollers like Arduino, ESP32, and Raspberry Pi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Isolation Protection Circuits:\u003c\/strong\u003e Optocoupler isolation between control and relay sides, TVS surge protection on RS485 lines, and power supply isolation safeguard your equipment against electrical noise and transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable Baud Rate \u0026amp; Address:\u003c\/strong\u003e Easily set communication parameters to match your system requirements; supports up to 247 devices on a single RS485 bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Power Relay Outputs:\u003c\/strong\u003e Each channel rated at 10A @ 250V AC \/ 10A @ 30V DC - capable of switching substantial loads directly without external contactors for many applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePer-Channel Status LEDs:\u003c\/strong\u003e Instantly verify relay states with dedicated indicator LEDs for each of the 32 channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade Build:\u003c\/strong\u003e Wide operating temperature range (-40 degreesC to +85 degreesC) and robust PCB design ensure dependable operation in harsh environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-Chain Expandable:\u003c\/strong\u003e Connect multiple modules on the same RS485 bus to scale up to hundreds of relay channels for large installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Terminal Connections:\u003c\/strong\u003e Secure, vibration-resistant wiring for both relay outputs and RS485 communication lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic Waveshare product sourced directly from authorized distributors\u003c\/li\u003e\n\u003cli\u003eIndustrial-grade isolation protection ensures long-term reliability in demanding environments\u003c\/li\u003e\n\u003cli\u003eModbus RTU compatibility makes it plug-and-play with existing industrial automation ecosystems\u003c\/li\u003e\n\u003cli\u003e32 channels in a single module reduces wiring complexity and panel space compared to multiple smaller modules\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India\u003c\/li\u003e\n\u003cli\u003eExpert technical support included - our engineers help you with wiring, Modbus configuration, and integration\u003c\/li\u003e\n\u003cli\u003eComprehensive Waveshare documentation, sample code, and community resources available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Building Automation:\u003c\/strong\u003e Control 32 zones of lighting, HVAC dampers, or access systems from a central BMS controller via Modbus RTU - perfect for offices, hotels, and commercial complexes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Control Panels:\u003c\/strong\u003e Integrate with PLCs and SCADA systems to manage conveyor motors, pneumatic valves, indicator lamps, and alarm systems on the factory floor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgricultural Automation:\u003c\/strong\u003e Automate irrigation valves, greenhouse ventilation fans, nutrient dos\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eWaveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits\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 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits\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 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits\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":43874184724643,"sku":"TES-EV100444556","price":6653.62,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/3-314x252_f4a111fa-5ba4-43a9-82eb-3303fb361b40.jpg?v=1704719028","url":"https:\/\/www.theengineerstore.in\/kn\/products\/waveshare-modbus-rtu-32-ch-relay-module-rs485-interface-with-multiple-isolation-protection-circuits","provider":"The Engineer Store","version":"1.0","type":"link"}