Chapter IX

Safety Instrumented System Requirements for Fieldbus and Control Components

Abstract

Safety instrumented systems (SISs) component failure rate is extremely important for discussions on SIS components. In modern SIS, safety instrument function (SIF) components are connected by safe fieldbus, so detailed discussions on the requirements of safe fieldbus have been covered. The discussions also encompass details about EDDL, FDT, and various requirements of FF, PI OPC and HART so that FDI is possible. Alarms in SIS are important because it forms an IPL, therefore detailed discussions on alarm life cycle and alarm realization along with alarm management has been covered. Various technical aspects of sensors are also important part of SIF. Safe ...

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