Waveshare Modbus RTU 8 Channel Relay Module RS485

The Waveshare Modbus RTU 8 Channel Relay Module RS485 is a professional industrial automation relay board designed for reliable remote switching and control applications. The module uses RS485 communication with the Modbus RTU protocol, making it highly suitable for industrial environments, AI surveillance systems, smart factories, IoT monitoring systems, agriculture automation, and smart home control.

This industrial-grade relay module supports stable long-distance communication and allows multiple devices to communicate on the same RS485 bus using configurable Modbus addresses. The built-in protection system includes magnetic isolation, TVS surge protection, reverse polarity protection, and optocoupler isolation for improved reliability and safety.

The relay module can control electrical devices such as alarms, sirens, motors, pumps, lighting systems, industrial valves, and smart appliances. It is fully compatible with Raspberry Pi, Arduino, ESP32, PLC systems, Python automation systems, and industrial control software.

Applications:

• Industrial Automation
• AI CCTV & PPE Detection Systems
• Smart Home Automation
• Remote Switching Systems
• Pump & Motor Control
• Agriculture Automation
• Industrial Alarm Systems
• IoT Monitoring Solutions
• Modbus RTU Control Systems
• PLC Automation Projects

Features:

• 8 Channel Industrial Relay Output
• RS485 Communication Interface
• Supports Modbus RTU Protocol
• Configurable Device Address (1-255)
• Long Distance Stable Communication
• Optocoupler Isolation Protection
• TVS Surge & Lightning Protection
• Reverse Polarity Protection
• Industrial ABS Rail Mount Enclosure
• LED Status Indicators
• High Reliability Industrial Design
• Compatible With Raspberry Pi, Arduino & ESP32

Technical Specifications:

• Communication: RS485
• Protocol: Modbus RTU
• Relay Channels: 8
• Relay Rating: ≤10A 250VAC / 30VDC
• Device Address: 1~255
• Mount Type: DIN Rail Mount
• Protection: TVS, Isolation, Reverse Protection
• Enclosure Material: ABS Plastic
• Industrial Grade Design

Package Includes:

• 1 × Waveshare Modbus RTU 8 Channel Relay Module RS485