Home > White Paper: The use of logic solvers in tank overfill protection systems

White Paper: The use of logic solvers in tank overfill protection systems

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article image STA Safety Trip Alarm

The latest technical white paper from Moore Industries explains the use of logic solvers in tank overfill protection systems. 

Moore Industries-International, Inc. has released a technical white paper exploring the possibilities available to designers of Safety Instrumented Systems (SIS) using logic solvers as part of a tank overfill protection system. 

Available for download on the Moore Industries website, the ‘Logic Solver for Tank Overfill Protection’ white paper provides examples of straightforward tank overfill protection system topographies and associated Safety Integrity Level (SIL) calculations.

A tank overfill protection system is an SIS that provides automated overfill control during the containment of dangerous substances. If the level in a tank rises above set limits, the logic solver initiates the final element of the SIS to make the process safe, including shutting off the input feed to the tank by isolating the pump and closing the input valve. 

The ‘Logic Solver for Tank Overfill Protection’ white paper guides safety engineers through the steps needed to determine the right logic solver for their needs. 

The white paper shows the methodology and calculations for determining applicable logic solvers in SIL 1 and SIL 2 environments. In many cases, discrete logic devices such as the STA Safety Trip Alarm are suitable for use while providing a flexible, low-cost and user-friendly solution. 

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