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eIO-RTU Ethernet Remote Terminal Unit

Web-Based . Modular . Expandable . More

A cutting-edge, modular, and expandable Ethernet I/O controller designed for modern industrial applications. Built on a DIN rail mountable enclosure, offering robust and flexible solutions for scalable industrial automation.

Over 10,000 systems installed worldwide.

The eIO-RTU is a cutting-edge, modular, and expandable Ethernet I/O controller designed for modern industrial applications. Built on TCP/IP platform with built-in web-server, the eIO-RTU eliminates the need for additional software while providing comprehensive monitoring, control, and data logging capabilities.

Linortek eIO-RTU Controllers Installed

Key Benefits of eIO-RTU Remote Terminal Unit

Transform your industrial automation with powerful features that streamline operations, reduce complexity, and deliver measurable business value.

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No-Code Configuration

Configure up to 64 tasks using condition-logic task builder, enabling quick setup and modifications without programming expertise

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Web-Based Software

Access and control your system from any web browser without installing additional software, reducing IT overhead and simplifying system maintenance

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Scalable Solution

Add modules as needed with plug & play expansion capabilities, allowing you to scale your system efficiently while protecting your investment

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Enhanced Security

Secure your industrial data with P2P communication and robust encryption protocols, ensuring reliable and protected system operations

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Simple DIY Installation

Save thousands on professional installation costs with easy setup requiring just basic tools that your maintenance team can handle

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Seamless Integration

Integrate with existing PLCs and SCADA systems using standard protocols, streamlining implementation and reducing integration complexity

Explore Advanced Features

Discover the technical capabilities that make the eIO-RTU remote terminal controller a simple yet powerful solution for your automation needs.

• Access software from any standard web browser

• No gateways, cloud servers, or external services required

• Configurable with DHCP or static IP address

• Optional port forwarding

• Internet access only required for NTP time updates (can be disabled)

• Modules interconnect using a common DIN rail connector

• Integrated power and control data distribution

• Processor-controlled modules with automatic identification

• Automatic module coordination and management

• Intuitive “IF…THEN” task builder

• Program up to 64 tasks without coding skills

• Browser-based software configuration

• Highly configurable task scheduling

Automate machine maintenance alerts set task page

• Effortless data integration with third-party software/systems

• Support for XML, JSON, RESTful API formats

• Comprehensive protocol support (HTTP/HTTPS/TLS/SSL/MQTT)

• Easy connection to existing PLC and SCADA systems

The Hardware

The eIO-RTU-CPU serves as the central processing unit module for the system, managing all I/O signal processing and network communications. This intelligent controller features seamless integration with expansion modules through a DIN rail connector system that facilitates both power and data transfer.

Key capabilities include:

  • Control and monitoring of up to 18 relay outputs
  • Processing of 22 digital inputs
  • Handling of up to 64 analog inputs (specifications to be determined)

    The modular design allows for easy expansion through hot-pluggable connections along the CPU rail. Multiple expansion modules can be daisy-chained using a standardized connector system that fits securely within a DIN rail mounting configuration. These modules are automatically detected and configured by the controller upon connection, enabling plug-and-play functionality.

CPU Module

Linortek eIO-RTU-8RL

Relay Module

Digital Input Module

The Software & Programming

The eIO-RTU comes with an easy-to-use web-based software for all configuration and monitoring needs:

  • In/Out: Real-time I/O status display with manual control
  • Conditional logic task builder: IF this condition THEN action, AND/OR logic combinations
  • MQTT publishing: Automatic topic updates
  • Data Logging: Configurable logging with timestamp precision
  • Alerts: Email notifications for critical events
  • Network Settings: DHCP/static IP configuration

Frequently asked questions

No, the eIO-RTU comes with built-in web-based software accessible through any standard web browser. There’s no need for gateways, cloud servers, or external services. You can configure and manage your system entirely through the web interface.

A single eIO-RTU CPU module can support up to 42 I/O points through expansion modules. You can add up to 2 relay modules and 2 digital input modules per CPU. The base unit comes with 2 digital inputs, 2 analog inputs, and 2 relay outputs.

Yes, the eIO-RTU is designed for seamless integration with existing systems. It supports multiple data formats (XML, JSON, RESTful API) and protocols (HTTP/HTTPS/TLS/SSL/MQTT), making it compatible with most PLC and SCADA systems. You can easily publish topics to existing PLC systems and share I/O data through TCP/IP networks.

No programming skills are required. The eIO-RTU features an intuitive “IF…THEN” task builder that allows you to program up to 64 tasks through a simple web interface. You can create custom automation tasks, schedules, and alerts without any coding knowledge.

Transform Your Industrial Automation with a Remote Terminal Unit Today

Ready to enhance your industrial control systems with the eIO-RTU? Contact our team of experts to discuss your specific requirements and implementation needs.