Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
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Looking to buy Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits at the best price in India? Tech Depot India 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.
Take 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 Tech Depot India, Bengaluru - trusted by engineers and professionals across India.
Specifications
| Brand | Waveshare |
| Module Type | Modbus RTU 32-Channel Relay Module |
| Communication Interface | RS485 (Modbus RTU Protocol) |
| Number of Relay Channels | 32 |
| Relay Type | Electromechanical Relay (NO/NC) |
| Relay Rated Load | 10A @ 250V AC / 10A @ 30V DC (per channel) |
| Operating Voltage | 12V DC |
| Isolation Protection | Multiple isolation circuits (optocoupler isolation, TVS protection, power isolation) |
| Baud Rate | 4800 / 9600 / 19200 / 38400 / 57600 / 115200 bps (configurable) |
| Device Address | Configurable (1-247, Modbus standard) |
| Bus Topology | Supports daisy-chaining of multiple modules on a single RS485 bus |
| Indicator LEDs | Per-channel relay status LEDs + Power LED |
| Connector Type | Screw terminals for relay outputs; RS485 terminal block |
| Operating Temperature | -40 degreesC to +85 degreesC |
| Dimensions | Approx. 300 x 75 mm (designed for DIN rail or panel mounting) |
| Origin | Original Waveshare / Authentic |
| Price | Rs.6,277.00 |
Why Choose Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits?
100% Authentic
GST Invoice - A GST invoice is included with every order.
Expert Support - Dedicated technical help on WhatsApp and email.
Pan-India Delivery - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.
Trusted by Makers - Used by students, hobbyists and professionals nationwide.
Key Features of Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
- 32 Independent Relay Channels: Control up to 32 separate loads - lights, motors, solenoid valves, heaters, and more - from a single module.
- Modbus RTU over RS485: Industry-standard communication protocol enables seamless integration with PLCs, HMIs, SCADA systems, and microcontrollers like Arduino, ESP32, and Raspberry Pi.
- Multiple Isolation Protection Circuits: 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.
- Configurable Baud Rate & Address: Easily set communication parameters to match your system requirements; supports up to 247 devices on a single RS485 bus.
- High-Power Relay Outputs: Each channel rated at 10A @ 250V AC / 10A @ 30V DC - capable of switching substantial loads directly without external contactors for many applications.
- Per-Channel Status LEDs: Instantly verify relay states with dedicated indicator LEDs for each of the 32 channels.
- Industrial-Grade Build: Wide operating temperature range (-40 degreesC to +85 degreesC) and robust PCB design ensure dependable operation in harsh environments.
- Daisy-Chain Expandable: Connect multiple modules on the same RS485 bus to scale up to hundreds of relay channels for large installations.
- Screw Terminal Connections: Secure, vibration-resistant wiring for both relay outputs and RS485 communication lines.
- Industrial-grade isolation protection ensures long-term reliability in demanding environments
- Modbus RTU compatibility makes it plug-and-play with existing industrial automation ecosystems
- 32 channels in a single module reduces wiring complexity and panel space compared to multiple smaller modules
- Comprehensive Waveshare documentation, sample code, and community resources available
Perfect For
- Smart Building Automation: 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.
- Industrial Control Panels: Integrate with PLCs and SCADA systems to manage conveyor motors, pneumatic valves, indicator lamps, and alarm systems on the factory floor.
- Agricultural Automation: Automate irrigation valves, greenhouse ventilation fans, nutrient dos
Frequently Asked Questions
When will I receive my order?
Is technical support available?
Yes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Customer Support
Email: techdepotindia@gmail.com
WhatsApp: Available for setup and troubleshooting help
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