MTL 9312-FB-ST-SS-SP, Инструкция по эксплуатации

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INM9312-FB-ST-SS-1 Oct 2008
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3 SCOPE OF APPLICATION
The series 9312-FB-ST-SS-SP Fieldbus Barrier is suitable for use in Zone 1 and Zone 2 hazardous
areas.
It is used for connecting up to eight intrinsically safe field devices to a non-intrinsically safe trunk;
providing galvanic isolation between the trunk and spurs.
3.1 Intended use
♦
For all fieldbuses with a IEC 61158-2 physical layer, e.g. F
OUNDATION
fieldbus H1 and Profibus PA.
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For non-intrinsically safe trunks, Ex e connections.
♦
For intrinsically safe spurs (Ex i and FISCO), to connect intrinsically safe field devices.
Overview of explosion protection for Fieldbus Barrier, trunk and spurs
Fieldbus Barrier
Ex e / Ex i Zone 0 Zone 1 Zone 2 non-hazardous
9312-FB-ST-SS-SP
with stainless steel
enclosure not permitted permitted permitted permitted
Trunk not permitted Ex e Ex e permitted
Spurs Ex ia Ex ia Ex ia permitted
WARNING
When installing in an Ex e enclosure:
Affix an indication label (in accordance with IEC 60079-7):
"Non-intrinsically safe circuits protected by internal IP 30 cover."
WARNING
Use the Fieldbus Barrier only for its intended purpose!
The manufacturer’s liability and your right to make claims under warranty will be invalidated
Use the Fieldbus Barrier only under the conditions described in its operating instructions.
Other uses are not valid.