Practical engineering guides, calculators and project notes covering electrical design, BS 7671, control panels, hazardous areas, IEC 62443, OT cyber security and industrial automation.
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Some practical lessons from applying OT cyber security to systems integration: understanding risk, defining security boundaries, applying IEC 62443 and treating security as part of control-system engineering.
Recent practical writing on electrical, control and industrial engineering.
Practical browser-based tools for repeatable, reviewable engineering calculations.
Create AC and DC load schedules, assess individual supply rails, and produce a traceable engineering calculation report.
Open calculator →Calculate component heat losses, estimate enclosure temperature rise, and assess natural or forced ventilation requirements.
Open calculator →Guides and working notes organised around the disciplines that shape industrial design decisions.
Practical guidance on BS 7671, design decisions, protection and documentation.
Explore electrical design →Notes on control panels, automation architecture and dependable system design.
Explore control systems →Engineering-focused guidance on IEC 62443, OT risk and secure industrial systems.
Explore industrial cyber security →Clear introductions to area classification, Ex equipment and ignition control.
Explore hazardous areas →Browser-based calculators for traceable control-panel design calculations.
Explore engineering tools →I am a design engineer working across electrical design, control systems, industrial automation and industrial cyber security. This site is a personal technical resource for practical guides, engineering notes, calculators and lessons from real engineering work.
Relevant enquiries concerning design engineering, control systems, industrial automation, OT cyber security, technical writing, training and speaking are welcome.
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A practical introduction to operational technology cyber security for engineers working with control systems, industrial networks and automation equipment.
Apply each topic to the fictional Riverside Water Transfer Station and build a coherent cyber-security design basis as you progress.