The tuning of proportional-integral-derivative (PID) control loops was an important change at HollyFrontier’s Navajo Refinery in Artesia, N.M. Its hands-on, “mandraulic” culture was no longer cutting ...
Machines and processes are controlled using many strategies, from simple ladder logic to custom algorithms for specialized process control, but proportional-integral-derivative (PID) is the most ...
The CN142 Series universal temperature process controllers provide dual LED displays for local indication of process value and setpoint value, and control methods include on/off, PID, auto-tune, and ...
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