Automating Reverse Engineering to Achieve a 90 Percent Savings on Engineering Hours

Tetra Tech Digital Systems helped the Orange County Sanitation District (OC San) reduce engineering time and accelerate SCADA graphic updates by automating extraction of 46,000 programmable logic controller (PLC) permissive conditions. OC San began upgrading its SCADA system and PLC architecture to provide more granular equipment graphics that show permissive conditions, rather than a single status indicator. Operators needed a faster way to identify which specific permissive conditions…