The self-tuning algorithm means it automatically adjusts PID parameters during the first heat-up cycle — it learns the thermal response of the load (oven, extruder, furnace) so you don't have to manually tune. The 16 ramp/soak segments let you program a multi-step temperature profile: ramp up, soak at setpoint, ramp down, hold, repeat. That's the difference between a simple on/off controller and a process controller that can follow a cure curve or a heat-treat cycle.
This class of controller goes into a panel cutout — 1/32 DIN means the panel hole is 22.5 mm × 45 mm. It fits alongside other DIN-rail or panel-mount gear in a control cabinet for a furnace, a packaging heat-sealer, a plastic injection barrel, or a laboratory oven. The ramp/soak feature makes it suited for batch processes where the temperature must follow a recipe, not just hold a single setpoint.