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IS Ethernet interface reduces installation time

05 April 2016

Eaton has launched an intrinsically safe (IS) Ethernet interface, MTL ExLAN which allows OEMs to simplify their product design and certification, saving time and associated costs in launching products for mounting in Zone 0 or 1 hazardous areas, while offering the benefits of open Ethernet connectivity.

The MTL ExLAN interface provides compatible IS signal parameters to allow interconnection to a range of IS Ethernet devices, so signals can be sent safely over copper, fibre or wireless Ethernet. It is said to be suitable for data acquisition device applications for process control and monitoring in industries such as oil and gas,pharmaceutical, chemical and mining. 

As well as providing the network LAN interface for standard Cat 5e/Cat 6 Ethernet cabling systems, the module also voltage clamps the equipment’s main supply rail (typically 5 V or 3.3 V). Together this ensures that the Ethernet signals generated are limited to low IS levels. As a result, plant managers across process industries worldwide can be assured that they are operating safely in hazardous locations.

MTL ExLAN ensures full IS compatibility of interconnected devices including Eaton’s current range of MTL 9400 Ethernet modules, which allow for live connection and disconnection of the end device in Zone 0 or Zone 1 hazardous areas. In addition, it is also fully compatible with PoEx, 12 VDC Power over Ethernet for Hazardous Areas, to provide power and communication over a single cable in harsh environments.


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