Emerson’s SIS promotes safer process plants

Emerson Process Management’s new smart safety instrumented system (SIS) extends PlantWeb digital plant architecture to allow customers to implement safer process plants. It employs digital intelligence and diagnostics from sensor to logic solver to final control. Automated safety-loop testing and a variety of other features increase system availability while reducing life-cycle costs and easing regulatory compliance.

SIS solutions are built from PlantWeb technologies and include intelligent field devices, predictive diagnostics, and digital communications. They ensure an SIL3 (safety integrity level) approach that includes transmitters and valve controllers certified to IEC 61508 and SIL3-ratified safety systems. An SIS may be integrated with mainstream basic process control systems for facility-wide overview, while maintaining separation of safety-critical elements as required by IEC standards. Safety data and alarms are presented on DeltaV operator interfaces, stored in its historians, and passed to AMS Suite: Intelligent Device Manager software for integrated documentation and management.

John Berra, president of Emerson Process Management, says smart SIS delivers the same ease of use and efficiencies for safety in process facilities as PlantWeb architecture does for mainstream process automation.

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