What the 50 ms sampling means on your line
The PXF9ACS2-JV1A1: The self-tuning algorithm adjusts PID parameters automatically on startup, so you don't need to spend an afternoon tuning loops manually on a new oven or kiln.

Fuji Electric PXF9ACS2-JV1A1 temperature and process controller, 1/4 DIN (96 x 96 mm), self-tuning, 50 ms sampling speed.
The PXF9ACS2-JV1A1: The self-tuning algorithm adjusts PID parameters automatically on startup, so you don't need to spend an afternoon tuning loops manually on a new oven or kiln.
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It is a 1/4 DIN (96 x 96 mm) panel-mount controller fitting the standard 92 x 92 mm cutout per DIN 43700.