The PXF5AEC2-0VCA1 is a Fuji Electric self-tuning 1/8 DIN (48 x 96 mm) compact temperature and process controller with a 50 ms sampling speed.
The 1/8 DIN form factor (48 x 96 mm) is a standard panel cutout — fits existing DIN-sized panel holes without adapter plates. The 50 ms sampling speed is fast enough for most thermal loops; if you are controlling a high-speed infrared heater or a thin-film process, this keeps the PID update ahead of the plant. Self-tuning means the controller auto-calculates PID parameters during startup, which saves commissioning time on a line changeover. It does not eliminate the need to verify the process response curve, but it gets you close out of the box.