Overview

The MTL 8937-HN Fibre Optic Extender is a robust communication module designed to extend fieldbus signals over long distances using fiber optic technology.

It ensures reliable data transmission in environments where electrical interference or long cable runs would otherwise compromise performance. The extender provides galvanic isolation between copper and fiber segments, enhancing system safety and reducing signal degradation. Its compact modular design allows seamless integration into distributed I/O systems, making it ideal for large-scale automation projects.

This product reflects Eaton/MTL’s expertise in hazardous area instrumentation and industrial networking, offering trusted performance and lifecycle support. Therefore, it is widely adopted in oil & gas, chemical, and energy industries where safe and dependable communication is critical.

Technical Data

Typical Applications

The MTL 8937-HN is widely used in:

• Oil & Gas facilities – Extends fieldbus communication across offshore platforms and refineries.

• Chemical plants – Provides secure long-distance connectivity between hazardous area devices and control systems.

• Power generation – Ensures reliable communication between turbines, boilers, and distributed monitoring systems.

• Factory automation – Supports large-scale installations requiring fiber optic backbone networks.

• SCADA networks – Enables long-distance communication with remote monitoring stations.

Its galvanic isolation improves safety and reduces maintenance costs, making it ideal for mission-critical automation projects.

FAQ

Q1: What is the main function of the MTL 8937-HN?
A1: It extends fieldbus signals over fiber optics, ensuring reliable long-distance communication.

Q2: Which protocols are supported?
A2: Foundation Fieldbus™ and Profibus-PA networks.

Q3: How far can signals be transmitted?
A3: Up to 5 km with multi-mode fiber and up to 30 km with single-mode fiber.

Q4: Is it suitable for hazardous environments?
A4: Yes, it complies with ATEX and IECEx standards for hazardous area applications.

Q5: What industries commonly use this extender?
A5: Oil & gas, chemical, power generation, and automation sectors.