Honeywell 8937-HN2 Fibre Optic Converter I/O Module

The Honeywell 8937-HN2 Fibre Optic Converter I/O Module is a high-performance communication interface designed for reliable and secure data transmission in industrial automation systems. Engineered for demanding process control environments, this module enables efficient conversion and transmission of I/O signals over fibre optic networks, delivering enhanced noise immunity, extended reach, and superior network integrity.

Key Features & Benefits

• Fibre Optic Communication for Industrial Networks
  The 8937-HN2 utilises fibre optic technology to transmit I/O data across long distances with minimal signal degradation, significantly reducing electromagnetic interference (EMI) and electrical noise compared to traditional copper-based links.

• Seamless Integration with Honeywell Control Systems
  Designed for compatibility with Honeywell Experion®, I/O racks, and distributed control platforms, the converter module enhances system flexibility and supports scalable network architecture.

• Robust and Reliable for Harsh Environments
  Built to withstand industrial conditions, the module offers dependable performance in environments where electrical noise, vibration, and temperature variations could compromise standard communication links.

• High-Integrity Data Transmission
  Fibre optic communication provides secure, disturbance-free signal transmission, ensuring accurate and consistent I/O performance critical to real-time process control.

• Simplified Network Expansion
  The 8937-HN2 enables straightforward extension of I/O networks across larger facilities or between remote equipment, reducing system wiring complexity and installation costs.

Typical Applications

• Distributed control system (DCS) I/O communication

• Remote I/O stations in process control plants

• Oil & gas, power generation, chemical, and manufacturing facilities

• Industrial automation and monitoring networks

• Long-distance I/O transmission in electrically noisy environments

Product Summary

The Honeywell 8937-HN2 Fibre Optic Converter I/O Module is engineered to deliver reliable, long-distance communication for industrial I/O systems. By leveraging fibre optic technology, it enhances network performance, increases immunity to interference, and supports scalable automation architectures — helping facilities achieve more robust, efficient, and secure process control operations.