🔌 MTL 8937-HN Fiber Optic Extender Module
📘 Product Overview
The MTL 8937-HN is a robust fiber optic extender module designed to extend the reach of Series 8 I/O systems in hazardous environments. Manufactured by Eaton under the MTL brand, this module facilitates reliable data transmission over long distances, ensuring seamless communication between I/O devices and control systems.

🛠️ Key Features
- Extended Communication Range: Utilizes fiber optic technology to transmit data over extended distances, reducing signal degradation and electromagnetic interference.
- Redundant Interfaces: Equipped with redundant combo cable interfaces, ensuring continuous operation even in the event of a cable failure.
- Intrinsically Safe: Certified for use in hazardous areas, including Zone 0, Zone 1, and Zone 2 applications, providing safe operation in explosive atmospheres.
- Compatibility: Designed to work seamlessly with Series 8 I/O modules and S8 C300 controllers, enabling remote applications of the Series 8 I/O system.
- Compact Design: Features a space-saving design that simplifies installation and integration into existing systems.
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 8937-HN |
| Manufacturer | Eaton (MTL) |
| Power Supply | 20-30 V DC |
| Power Consumption | 2 W |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% (non-condensing) |
| Protection Rating | IP67 |
| Dimensions (L x W x H) | 165 mm x 75 mm x 120 mm |
| Weight | 0.53 kg |
| Transmission Distance | Up to 2 kilometers |
| Fiber Type | Single-mode |
| Wavelength | 1310 nm |
| Data Rate | 10 Mbps |
| Connector Type | SC |
⚡ Installation Guidelines
- Mounting: Install the MTL 8937-HN module on a flat surface or directly onto the transformer tank wall using the provided mounting brackets. Ensure the unit is securely fastened to prevent vibrations.
- Electrical Connections: Connect the power supply to the designated input terminals, ensuring correct polarity and voltage levels. Use appropriate cable sizes to handle the current requirements.
- Fiber Optic Connections: Connect the fiber optic cables to the SC connectors on the module, ensuring proper alignment and secure connections to maintain signal integrity.
- System Integration: Integrate the module into the existing Series 8 I/O system, connecting it to the S8 C300 controller and associated I/O modules as per the system design.
- Configuration: Configure the module settings using the appropriate system software, ensuring compatibility with the existing network and communication protocols.
- Testing: Perform functional tests to verify the system’s operation, checking for proper data transmission and communication between devices.
🛠️ Maintenance Instructions
- Regular Inspections: Periodically check the physical condition of the MTL 8937-HN module, including the housing, connectors, and mounting.
- Cable Management: Ensure that fiber optic cables are properly routed and protected from physical damage, avoiding sharp bends and tension.
- Cleaning: Clean the exterior of the unit with a dry, lint-free cloth. Avoid using solvents or abrasive materials that could damage the surface.
- Firmware Updates: Keep the system firmware up to date to ensure compatibility with the latest features and security patches.
- Troubleshooting: In case of malfunction, refer to the system’s diagnostic tools and error logs to identify and resolve issues promptly.
🌍 Applications
The MTL 8937-HN module is suitable for various applications, including:
- Power Generation Plants: Monitoring transformer health to ensure continuous power supply.
- Industrial Facilities: Managing transformer assets to prevent unexpected downtime.
- Utility Companies: Enhancing grid reliability through proactive transformer monitoring.
- Renewable Energy Installations: Ensuring transformer performance in wind and solar power systems.
- Mining Operations: Monitoring transformers in remote locations to reduce maintenance costs.
🔗 Useful Resources
- Explore more industrial automation products: Star DCS PLC
- For additional module selections: Star DCS PLC Store
📑 Recommended Similar Models
| Model | Description | Link |
|---|---|---|
| MTL 8937-HN2 | Updated Fiber Optic Extender Module | View |
| MTL 8938-HN | Advanced Fiber Optic Extender Module | View |
| MTL 8939-HN | High-Capacity Fiber Optic Extender Module | View |
| MTL 8940-HN | Premium Fiber Optic Extender Module | View |
| MTL 8941-HN | Industrial Fiber Optic Extender Module | View |
If you require further details or assistance with integrating the MTL 8937-HN module into your system, please feel free to ask.
