While a specific "Fourtech" brand manual isn't as widely indexed as major industrial brands, these digital controllers typically follow standard industry protocols for PID control parameter adjustment Core Operation Guide
To access deeper engineering settings, press and hold the button for 3 seconds. Use the arrow keys to navigate the codes, and press SET briefly to adjust individual values. Parameter Code Description / Valid Options Factory Default InP Input Type Selects sensor type: K , J , Pt (Pt100) K P Proportional Band Adjusts the size of the throttling zone around the SV. 3.0 I Integral Time Corrects for long-term offset errors. 240 d Derivative Time Responds to rapid temperature spikes. 60 HyS Hysteresis The switching differential for On/Off control. 2.0 AL1 Alarm 1 Value Sets the threshold temperature for the auxiliary alarm. 50.0 LCK Parameter Lock Locks out menus to prevent tampering. 00 = Unlocked. 00 How to Run Auto-Tuning (PID Calibration) fourtech temperature controller manual
Press the again to move the cursor to the tens, hundreds, or thousands digit. While a specific "Fourtech" brand manual isn't as
Complete Operational Guide and Manual for Fourtech Temperature Controllers fourtech temperature controller manual