What the 50 ms sampling buys you
The PXF9ABS2-FVMA1: The 50 ms sampling speed means it catches fast thermal transients in processes like injection molding or packaging seal bars, where a slower loop would overshoot the setpoint before the controller reacts.
The 1/4 DIN cutout (96 x 96 mm) is the standard panel-mount footprint for process controllers — drops into the same hole as legacy Fuji PXF or competing 1/4 DIN units. The compact depth behind the panel leaves room for terminal blocks and wiring in a crowded cabinet.