The RNSbot Modbus RTU 12V Relay Module is a high-performance switching solution designed for automation, industrial control, and smart communication systems. With support for RS485 and TTL interfaces, this module ensures stable input/output operations, precise relay control, and seamless integration with Modbus RTU protocols. Engineered for reliability and efficiency, it is suitable for microcontroller-based projects, industrial automation, and remote device management.

Key Features

• Wide Compatibility – Supports Modbus RTU protocol for industrial and automation applications.

• Dual Communication Interface – Equipped with RS485 and TTL inputs for flexible integration.

• Stable 12V Power Input – Ensures reliable performance in continuous operations.

• High-Quality Relays – Provides secure switching with long service life.

• Smart I/O Management – Handles multiple input/output operations for advanced control needs.

• Easy Integration – Compatible with microcontrollers, PLCs, and embedded systems.

Technical Specifications

• Brand: RNSbot

• Model: Modbus-RTU Relay Module

• Operating Voltage: DC 12V

• Communication Interfaces: RS485 / TTL

• Protocol Support: Modbus RTU

• Input/Output: Multiple I/O relay channels

• Application: Industrial automation, smart control systems, microcontroller projects, remote switching

• Build: Optocoupler isolation for stable and safe performance

Applications

• Industrial Automation – Remote device switching and machine control.

• Smart Home Systems – Intelligent lighting, appliance, and security control.

• Embedded Projects – Arduino, Raspberry Pi, and other microcontroller-based systems.

• IoT & Communication Systems – Reliable Modbus-based device management.

The RNSbot Modbus RTU Relay Module 12V is built for professionals, engineers, and hobbyists who demand precision, reliability, and easy integration. Whether for industrial, home automation, or IoT applications, this relay module provides a cost-effective and durable solution.