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Why Addressable loops are not be used in the process areas and process buildings (in Oil & Gas field) for Fire Alarm panel?

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Question added by MOHAMMED ABDUL LATHEEF VALIYA PEEDIYEKKAL , Technical Service Engineer (Instrumentation) , MSA Middle East
Date Posted: 2013/10/23
Kefayat Khan
by Kefayat Khan , Lead Instrumentation, Telecom, and Control Engineer , Saudi Services for Electro Mechanic Works)(SSEM

Process areas and process building is critical area and usually only General Alarm is used for the complete plant to hear the alarm.

calibration in oil and gas

There are two types of fire Alarms;

Addressable and non - addressable. 

The aim of addressable is to assign an address for each building through which the fire alarm can be announciated; this is taken care of by Triconex configuration. The non addressable is used in the process areas where no specific address is to be considered and hence the announcement of any fire alarm is heard publicly. 

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