Definition:A Safety Instrumented System (SIS) performs specified functions to achieve or maintain a safe state of the process when unacceptable or dangerous process conditions are detected. Safety instrumented systems are separate and independent from regular control systems but are composed of similar elements, including sensors, logic solvers, actuators and support systems.

Novaspect Scope of Supply:

Products:

• DeltaV SIS – Logic solvers

• Fisher DVC SIS – Positioner for SIS shutdown valves

• Field-Q Actuators – Actuators for SIS shutdown valves

• Bettis Actuator – Actuators for SIS shutdown valves

• Fisher – Valves for SIS service

• ASCO – Solenoid valves for SIS Shutdown Valve Packages

• Ball/Butterfly Valves – Valves for SIS Shutdown Valve Packages

Services:

• Initial SIS discussions/awareness meetings

• DeltaV SIS configuration based on design by 3rd Party Competent Authority or End User

• Customer/application specific shutdown valve packages

• Access/introduction to Safety Engineering Consultants for safety engineering services

Applications:

DeltaV SIS-based Burner Management Systems (BMS)

• Modular

• Easy access to BMS safety information

• Reduced engineering effort

• BMS-specific Function Blocks

• Comprehensive change management

Technical Data Sheet

Safety Instrumented Systems (SIS)

SIS

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