ESM-XX20Universal temperature sensor input (TC, RTD)Self-Tune (Step Response Tuning) with PIDAutomatic adaptation of coefficients to the system2 Relays and 1 SSR drive outputSoft-Start output for long resistance life4 Digit process (PV) and 4 Digit SET values (SV) displaySelectable ON / OFF, P, PI, PD and PID Control formsAdjustable heating or cooling function for control outputAlarm functions adjustable for alarm outputSensor break protection