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The National Spherical Torus Experiment (NSTX) was upgraded in 2011 with a second switching power amplifier (SPA2) to power NSTX's resistive wall mode (RWM) coils. Integration of the power supply's local controls with the Central Instrumentation and Control System (CI&C) was accomplished, in part, through PLC-to-EPICS software that was included in the ITER project's Control, Data Access, and Communication...