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Category: Safety Instrumented System (SIS)

A Safety Instrumented System (SIS) is engineered to perform “specific control functions” to failsafe or maintain safe operation of a process when unacceptable or dangerous conditions occur.

Transmitter Proof Testing

S Bharadwaj Reddy
The purpose of proof testing is to detect the failures within the transmitter that are not detected by the regular diagnostics....

Intrinsic Safe Calculation

S Bharadwaj Reddy
The intrinsic safe calculation is an activity done by Instrumentation Engineers in EPC or EPCM Industries. In this article, we shall see why is it done and How to do...

Purpose of Emergency Shutdown (ESD) System

S Bharadwaj Reddy
Emergency Shutdown (ESD) System are specialized highly reliable control systems for high risk industries like Oil and Gas, Nuclear Power or other Environments with explosion risk (Ex.). Their purpose is...

Voting Logic in Safety Instrumented System (SIS)

S Bharadwaj Reddy
There are 1oo1, 1oo2, 2oo2, 2oo3 etc voting logic in the safety instrumented system architecture. The voting logic architecture usually used in the field instrument and or final control elements to reach certain Safety Integrity...

Why choose Intrinsic Safety ?

S Bharadwaj Reddy
Intrinsic  safety (IS) is a  low-energy  signalling  technique  that prevents explosions from occurring by ensuring that the energy transferred to a hazardous area is well below the energy required to initiate...

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