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Posted By Revrok Process Register on 02/19/2018 in Publications By Members

Safety Instrumented Systems Without The Hassle

Safety Instrumented Systems Without The Hassle

What’s the Hassle

Safety systems have been built the same way for years. Different types of I/O card and conditioning device must be cross-wired to conventional marshalling terminals for each signal type. The supplier needs to know the I/O schedule before submitting cabinet designs for customer approval.

The I/O cannot be finalized until Hazard Analysis is complete, and the required Safety Instrumented Functions have been designed to meet the target SIL. Time pressures often drive projects to accept there will be I/O changes during the project, leading to re-design and re-work.

Software and hardware are eventually tested by the customer at the supplier’s factory. The whole process requires several interactions between customer and supplier, consuming time and resources.

Time for a Different Approach

Emerson’s pre-engineered Safety Instrumented System offers an easy-to-deploy option. Configurable enclosure designs combine with Electronic Marshalling technology to deliver standard hardware layouts in a range of sizes, with minimal effort beyond the selection of required options.

Conventional Marshalling vs Electronic Marshalling

Advanced function blocks for analogue or digital voting, cause effect logic and sequential/state-based logic meet the needs of most safety applications with minimal configuration effort. Enhanced software tools can configure the SIS logic automatically from SIF design specifications, further reducing the engineering effort for the complete SIS solution. Testing can be completed from the comfort of your office, using cloud-based computing techniques.

Emerson’s pre-engineered Safety Instrumented System offers an easy-to-deploy option. Configurable enclosure designs combine with Electronic Marshalling technology

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