Self-tuning capability allows 1/32 DIN Fuji Electric Model PXR3 to retune under certain conditions without reverting to autotuning. Standard ramp/soak feature includes 2 patterns that can be linked to create 16-step profile. Up to 31 controllers can be monitored remotely via optional RS485 Modbus interface. Watertight NEMA 4x faceplate resists corrosion. Program configuration loader with Windows-based software is also optional.