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Safety Function Bypass and Override: Doing It Right with Triconex and HIMA
A practical commentary on safety function bypass and override in SIS platforms. Using Schneider Triconex and HIMA systems, this guide walks through...
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Architecting ABB Ability 800xA Safety Controllers and Phoenix Contact PLCnext Fail-Safe I/O over PROFINET
A reference design for SIL3 networks across ABB Ability 800xA and Phoenix Contact PLCnext over PROFINET. Learn the rules for PROFINET IRT,...
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Diagnosing Bently Nevada 3500 and Emerson Ovation Epro Vibration Channels on Steam Turbines
A field playbook for eddy-current probes, proximitors, and Modbus TCP alignment on 600 MW turbine skids across Bently Nevada 3500 and Emerson...
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Migrating Legacy Foxboro I/A to Honeywell Experion PKS Without Killing Your Foundation Fieldbus Backbone
A phased brownfield playbook for HSE segments, block re-hosting, and cut-in rehearsals on operating refinery units migrating from Foxboro I/A to Honeywell...
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Predictive Maintenance on Allen-Bradley GuardLogix and Yokogawa ProSafe-RS Platforms
How to mine early-warning signals from EtherNet/IP diagnostics and OPC UA subscriptions without burying operators in alarms, using a four-gate qualification model.
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Ten Lost Days to a Popping Safety Valve: Why Compressor Data Beat the Redesign Proposal
A CO2 compressor relief valve repeatedly lifted, costing a urea plant roughly ten production days in one month. Before changing the valve...
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Safety Relief Valve Materials That Survive: Fisher Practice for Sour Gas and High-Temperature Service
A practical materials-selection and inspection checklist for safety relief valves in sour-gas and high-temperature service, with emphasis on code checks and full-assembly...
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Fail-Safe by Design: Applying the Open-Circuit Rule to Bently Nevada Vibration Trips
A machinery-protection guide to open-circuit detection, Bently Nevada 3500 channel and relay behavior, controlled proof tests, voting, and bypass discipline.
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