pUSR-IO808-EWR | 8-Way Network IO Controller | Ethernet + WiFi + RS485 | Modbus RTU/TCP

The USR-IO808-EWR is an advanced network IO controller that supports 8 digital inputs and 8 relay outputs, offering reliable and flexible solutions for industrial automation, remote monitoring, and IoT applications. With Ethernet, Wi-Fi, and RS485 interfaces, it ensures seamless integration into both local and remote control systems.

Built with Modbus RTU/TCP support, master/slave modes, and cascading connectivity, the USR-IO808-EWR is designed for high usability and easy deployment in complex automation environments.

Key Features

• 🔌 8 Digital Outputs – Relay-based control for industrial devices.

• 📥 8 Digital Inputs – Default dry contact detection.

• ⚙️ Protocol Support – Modbus RTU/TCP, socket communication, TCP client.

• 🔄 Flexible Modes – Master/Slave support with RS485 cascading to multiple Modbus devices.

• 🌍 Network Interfaces – Ethernet, RS485, and dual Wi-Fi modes (AP + STA).

• ☁️ Cloud Connectivity – Full integration with USR Cloud for centralized management.

• 🌐 Web Server Configuration – Built-in web UI for easy setup.

• 🔧 Upgrade Options – Supports FTP remote upgrade & RS485 upgrade.

• 🔒 Reliability & Protection – Hardware watchdog, over-current, over-voltage, and reverse-connection protection.

• 📡 LED Indicators – Real-time device status monitoring.

• 🛠 Conditional Logic – Supports up to 8 conditional control commands for automation.

Applications

The USR-IO808-EWR is widely used in:

• Industrial automation & control systems

• Remote monitoring & telemetry

• Building automation & smart infrastructure

• Utility and energy management

• Agricultural automation (irrigation, greenhouse control, etc.)

• IoT device networking and cloud-based control

✅ With its 8 DI/8 DO channels, multi-interface communication, and strong Modbus compatibility, the USR-IO808-EWR is a robust choice for scalable industrial IoT and automation projects.