SIF Interoperability Test Kit Updated

Wednesday, January 16, 2013 @ 04:01 PM gHale


The Fieldbus Foundation released the latest version of its FOUNDATION for Safety Instrumented Functions (SIF) Interoperability Test Kit (ITK).

This test solution underwent an update with new test cases to verify the functionality of H1 (31.25 bit/s) fieldbus devices based on the current FOUNDATION for SIF technical specifications, including the H1 dual-mode device capability employing powerful field diagnostics.

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FOUNDATION for SIF ITK 1.2 is for troubleshooting and debugging fieldbus instruments, and provides all hardware and software required to ensure a manufacturer’s complete device interoperability as specified by the Fieldbus Foundation’s official registration testing procedure.

By using the test kit, device developers can run tests identical to those used by the foundation before submitting their device for registration.

“The updated FOUNDATION for SIF ITK verifies advanced functionality such as the new dual-mode H1 device capability allowing automation suppliers to bring new safety products to market without having to design two entirely different devices,” said Fieldbus Foundation Director-Fieldbus Products Stephen Mitschke.

“Developers can implement H1 instruments with SIF features activated or de-activated. More importantly, this means that plants will only have to stock one type of instrument that can be used as either a process device or a safety device.”

Multiple FOUNDATION for SIF pilot projects are underway at locations around the world with different end users, Mitschke said.

Saudi Aramco launched two pilot projects and is preparing to install working systems within operating oil and gas facilities.

After these smaller pilot projects are complete, the company plans expanded deployment of FOUNDATION for SIF technology in order to exploit its benefits on larger, mega-scale projects.

In addition, Shell Project & Technology specified FOUNDATION for SIF for use on the Nederlandse Aardolie Maatschappij (NAM) project in the Netherlands.

These companies, along with other major end users, are encouraging the automation equipment industry to develop safety-approved products for their initial installations.

The FOUNDATION for SIF ITK includes a host of test cases verifying the functionality of a fieldbus device and its conformance with the FOUNDATION fieldbus function block and transducer block specifications.

It also incorporates a DD “Super Viewer” allowing examination and verification of a device’s DD, and a conformance test procedure for the Physical Layer.

Device developers can “walk” their DD, execute methods, and render visualization elements supported by DD 5.1 technology.

The interoperability test suite can pair with an ITK automation tool designed to eliminate several manual intervention steps required when performing pre-registration testing of fieldbus devices.

The tool improves ITK schedule efficiency and provides a direct reduction in the person-hours needed to complete the testing phase.



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