What this controller is and what the 50ms sampling means for your loop
The PXF9ABS2-MVMA1: A 50ms sampling rate means the controller reads the process variable every 50 milliseconds — fast enough to catch thermal transients in injection molding, extrusion, or packaging seal bars where a slower controller would miss the overshoot and let the temperature drift outside the process window. The 1/4 DIN form factor (96 x 96mm panel cutout) fits standard panel punch patterns, so it drops into existing cutouts without rework.