Product category:
Hazardous area interfaces, Enclosures
News Release from: MTL Instruments Group | Subject: 9122-IS and 9121-IS
Edited by the Processingtalk Editorial
Team on 18 March 2003
FISCO power supply passes Emerson
testing
MTL announces that 9121/9122 FISCO Power Supplies have passed rigorous testing by Emerson for integration into the DeltaV digital automation system, part of the Emerson PlantWeb architecture
The tests, carried out by Emerson Process Management, ensure that MTL fieldbus products fully support PlantWeb functionality This approval means that Emerson sales offices worldwide can now benefit from the use of the approved MTL fieldbus products in their system proposals and engineering solutions with full support from the Emerson factory
This article was originally published on Processingtalk on 14 Aug 2008 at 8.00am (UK)
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MTL Instruments has enhanced its class-leading range of Fieldbus Intrinsically Safe Concept (FISCO) wiring components for Foundation Fieldbus networks with the introduction of redundancy
The new FISCO standard for IS field wiring permits more field devices to be used with long cable lengths, thus reducing the safety documentation to a list of devices and completely eliminates the need to calculate cable parameters.
Model 9121-IS can provide 110mA of output current, typically supporting more than 5 field devices in Group IIC, while the 9122-IS can provide up to 250mA to support more than 12 field devices in Group IIB.
Each FISCO power supply repeats the fieldbus signal, ensuring no degradation of signal from the host side to the IS side and enabling the power supplies to be multi-dropped.
Powering the DeltaV H1 interfaces is accommodated using a switchable option for host side power.
MTL FISCO power supplies define the future for Intrinsically Safe (IS) fieldbus by removing the severe current limitations that have previously existed, thus delivering intrinsically safe fieldbus systems that use the same simple design rules as general purpose systems but without the practical constraints.
Both models are certified to CENELEC and FM standards based upon the Fieldbus Foundation FF816-FISCO physical layer profile and the IEC/TS60079-27 Technical Specification.
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