HeyJaredKenexis - Functional Safety Podcast
Welcome to the Kenexis Functional Safety Podcast! I'm Ed Marszal, President and CEO of Kenexis, a leading technical safety consultancy for the chemical process industry.
- Indexed episodes, last 90 days
- 4
- Latest publication
- Sep 9, 2026
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- Earliest in this view
- Aug 4, 2026
Latest episodes
S1E56 Clause 13.2.4 to 13.2.7 (opens the original)
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During the Factory Acceptance Testing (FAT), you're going to find issues. You can’t fix them on the spot— you need to trace each one back to wherever it originated in the safety lifecycle and correct everything downstream from that point.
S1E55 Clause 13 (opens the original)
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Factory Acceptance Testing is where Ed Marszal picks up in Clause 13, starting with an admission: the clause title may be wrong, since 13.2 is called Recommendations when every other point-two clause in the standard states requirements. Scope matters here FAT applies to the SIS logic solver, the engineered, customized subsystem, not off-the-shelf field devices like a pressure transmitter. Ed works through the objective's three notes, then the twelve-bullet planning list in 13.2.2: black box func
S1E54 12.5 and 12.6 (opens the original)
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Clause 12.5 closes out the software section with the meat of application program testing: verification planning tied back to Clause 7, an independent competent-person review, and nine bullet points covering conformance testing, exercising all parts of the program, representative data ranges, negative testing, timing and sequence checks, communication overload stress tests, and integration with the actual logic solver hardware. Ed Marszal walks through each one, then covers I/O data mapping verif
S1E53 12.4.3 and 12.4.4 (opens the original)
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The best and safest way to write software is to break things down into tested reusable modules...
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