Interlocking is primarily a safety measure, though, the process interlocks used to control the loops or sequence. Interlock Philosophy Interlocking is a method used to maintain safe operating state of...
This post provides information about basics of Trip, Interlock, Permissive and Sequences which are regularly used in instrumentation control systems like ESD, DCS, PLC etc. Trip: The term Trip refers to an action that...
Protective tripping systems provide a defence against excursions beyond the safe operating limits by detecting a excursions beyond set points related to the safe operating limits (i.e. the onset of...
A practical application of switch and relay logic is in control systems where several process conditions have to be met before a piece of equipment is allowed to start. Permissive...
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