... modes in total Universal input 2011--TA series PID Temperature Indicator/Controller Features: 1, Apply with step control, 2 ... over temperature, pressure, level, flowm, etc. Widely used in auto system in line of light industry, chemistry, machine, metallurgy, ... , plastic extruder heating process etc..2, One key operation, Auto-tuning PID/ Fuzzy PID control. Easy operation, Reliable performance. ...