Mark Stephens

Articles by Mark Stephens
Mitigating Transients on PLC-Based Control Systems
The programmable logic controller (PLC) is an important component in most modern automation and process control systems today. It's also susceptible to
PLC Basics and Voltage Sag SusceptibilitiesPart 2
In Part 1 of this two-part series, we explored PLC basics and voltage sag susceptibilities. In this segment, we present PLC voltage sag test results along
PLC Basics and Voltage Sag Susceptibilities - Part 1
The electrical upgrade of the green carbon facility at the aluminum plant was complete. A myriad of programmable logic controllers (PLCs) and PC-based

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