Technical investigations and practical approaches to difficult automation problems in operating industrial systems.
A practical guide to brownfield PLC integration through PLC coexistence planning, field I/O verification, interface contracts, shadow-mode testing, staged cutover, and rollback.
Read ArticleA systematic Modbus RTU workflow for separating timeouts, exception codes, framing faults, addressing errors, gateway delays, and incorrect data formats.
Read ArticleAn evidence-driven workflow for isolating discrete PLC I/O faults, verifying repairs, documenting findings, and improving preventive maintenance.
Read ArticleA practical guide to converting PLC-5 logic to ControlLogix while preserving required machine behavior through architecture review and equivalence testing.
Read ArticleYour first conversation is with engineering, not sales. We start by understanding how the system works and what is going wrong.
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