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      Petróleos Mexicanos - Pemex  
   

The national oil company of Mexico is called Pemex. Safety is naturally a very high priority in the oil business and because of this Pemex asked a Bitlink partner to deliver a surveillance system for the many hundred thermal fuses in its oil refineries.

Infra-red temperature sensors connected to Bitlink components are used to monitor all thermal fuses without any actual physical contact. This way any critical electrical situation can be dealt with quickly and precisely before it actually happens!

 
         
 

 

 


 
         
     

Technical description of the installation

Pemex has hundreds of low voltage circuit boards installed in its oil refineries. Each circuit board has a number of thermal fuses. The thermal fuses are placed in one location on each circuit board and is monitored by standard infra-red sensors connected to BIT2068 input components in current
(0-20mA) mode.

The temperature is measured over time and should any irregularities occur the system will alarm the personal.

The Bitlink components are linked in an RS485-based WebIO network which is connected to the general SCADA-system used by Pemex. The WebIO network is controlled by a BIT2000 industrial PC.

 
         
     

Components used:





 
BIT2000
BIT2068
                 
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BITLINK Interface Aps | Fuglsang Næs 19B| DK-7400 Herning | Denmark