Red Lion E3 I/O Modules

Product Highlights:

  • Configurable via Crimson 3.0 or Web Interface
  • Wide Variety of Mixed I/O Configurations
  • Industrial Design Supporting Deployment in Extreme Environments
  • Real-Time Ring and Dual-Ethernet Ports for Powerful Network Redundancy
  • Built-in Security Proactively Blocks
  • Unwanted Access


SKU: Red Lion E3 I/O Modules Category:


Red Lion E3 I/O modules provide a robust and reliable platform for local and distributed monitoring and control of processes and equipment in harsh industrial environments.

With all-metal housing, wide environmental specifications and industry certifications, our suite of 17 E3 I/O modules offer up to 34 mixed I/O points to meet varying requirements.

The highly rugged Red Lion E3 I/O modules feature discrete, analog and temperature I/O, dual Ethernet ports, an RS-485 serial port and one USB port. Configured via web interface or Red Lion’s award winning Crimson® 3.0 software, E3 I/O modules are easy to setup and deploy. The high-density I/O modules compliment HMIs or can be used as standalone I/O concentrators in industries including oil & gas, water/wastewater, utilities, transportation, mining and maritime. Red Lion’s DIN-rail mountable modules support open-standard protocols simplifying integration into existing or newly installed networks. Replacing external devices such as switches, data concentrators and protocol converters, E3 I/O modules cost-effectively streamline systems and improve reliability.

Available in DIN-rail and panel-mount form factors, Red Lion’s E3 I/O modules feature rugged metal enclosures and are designed and built for harsh environments with -40° to 75°C operating temperatures and UL Class I, Division 2 Group A, B, C, D listings. With built-in self-resetting fuses, these I/O modules will provide years of reliable operation in any industrial environment.

Additional information


Red Lion Controls