Smart marshalling solution extended to non-hazardous areas

15 June 2020

Eaton has introduced a new version of its MTL SUM5 smart universal marshalling solution for use in non-hazardous area industrial applications.

Offering the same modular design as the original, the general purpose MTL SUM5 is said to deliver lifetime cost savings for signal conditioning applications. Additionally, the new configuration module is said to make programming far easier and faster.

The MTL SUM5 combines the main marshalling functions of intrinsic safety (IS) isolation, signal conditioning, relay interfaces, surge protection and loop disconnect in a single cabinet design. Standardising on one cabinet also simplifies procurement, inventory management and documentation. With fewer cabinets to install, process managers can reduce costs associated with installation, commissioning, start-up and maintenance.  

With universal plug-in modules, the MTL SUM5 is simple to set up and simple to configure, offering users the ability to address IS and non-IS functions in a single system. Configuration via a PC is achieved using a single module – either the MTL4-DMA or MTL4-DMR Diagnostic Alarm and Configuration module. 

The MTL4-DMA offers connection for USB-Serial cable, 16 alarm indicators for each channel and two relay outputs to alarm terminals on the carrier. The relays provide a diagnostic alarm for module failures and a process alarm for Line Fault Detect (LFD) and process alarms. The MTL4-DMR offers all these features, plus 16 relay contact outputs for process alarms from each channel via a 34-way ribbon cable connector, allowing connection to an external termination board.

MTL SUM5 reduces the number of marshalling components by 65% compared to a standard solution. One MTL SUM5 universal ADIO isolator module supports the functionality provided by 20 different MTL4600 single channel modules, while the configurable parameters enable support for an even wider range of applications. 

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