4.0. Alarm Systems in Safety Instrumented Systems
In this clause, brief discussions on alarm and alarm management systems will be covered. Alarm system is an essential part of the operator interfaces to all types of industrial facilities. Alarm provides vital support to the operators by early warning about plant abnormalities and/or situations which need their attention so as to prevent, control, and mitigate many effects of abnormal situations. So as far as facility operations are concerned, it is personally felt that pre-trip alarm is of more significant for operator's action than the actual trip alarm. This is because of the fact that after pre-trip alarm, the operator can take certain measures to prevent tripping—hence downtime. However, in ...
Get Plant Hazard Analysis and Safety Instrumentation Systems now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
