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Are piezoelectric switches really safe in hazardous areas? How can we use a level gauge to set a flow alarm?
How to deal with the constraints of putting access points in hazardous areas.
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Posted: Sep 16, 2014
Regulatory modifications in 2010 have raised important issues in design and use of industrial safety systems. Certain changes in IEC 61508, now being widely implemented, mean that designers and users who desire full compliance must give new consideration t
Posted: Dec 05, 2013
When a storage facility's tank level rises above safe limits, a logic solver that is part of a Safety Instrumented System (SIS) initiates final elements to restore the process to a safe state. This can include shutting off input feeds to the tank by isolat
Posted: Mar 04, 2013
The approach that both government and business has taken to ICS cybersecurity of critical infrastructure assets over the last 10 years is systemically flawed and doomed to failure
Posted: Jan 28, 2013
This Control Essentials Guide is the first in a continuing series of interactive PDFs by the editors of Control. Essentials of Safety Instrumented Systems is designed to provide process industry professionals with an up-to-date, top-level understanding of