Barrel Heaters - Hasmak.com.tr

TemperatureControllersProblem SolversWatlow Solutions To CommonControl System ProblemsControl system performance problemscan be greatly reduced or eliminated byusing the optimum temperaturecontroller for the application. Check thelist below to see if Watlow controlsystem controllers can improve yourprocess.ProblemScrap product caused by out-oftolerancetemperature rangeProcess operating outside ofdesignated temperature rangeUnnecessary process shutdown caused by temperaturesensor failureTemperature over- andundershootTemperature over- andundershoot on both heatingand cooling cyclesHeating and cooling outputsenergizing at the same timeUndetected heater failurecreating uneven heatingprofiles and/or scrap productUnauthorized control settingchangesNeed limit control to conformwith requirements andregulationsTemperature Control Solution• Watlow SERIES SD and PD with deviation alarm can stop process or alertoperator when temperature deviates outside a plus or minus window• Watlow SERIES SD and PD with process alarms to disable feed screwmechanism, shut process down or activate a light or buzzer to indicatetemperature is too high or low• Watlow SERIES SD and PD with bumpless transfer will continue processoperation at last stable power level. Watlow SERIES SD can also go to apreselected power level upon sensor failure• Watlow SERIES SD and PD with autotune will automatically select correctPID values to minimize temperature variations• Watlow SERIES SD and PD with PID autotune on both heat and cooloutputs• Watlow SERIES SD and PD with deadband offsets cool set point from theheat set point to prevent concurrent energizing• Watlow’s SERIES PD with current monitor can detect a failed heater• Watlow SERIES SD and PD with programmable user lockout• Watlow SERIES SD, LV and LF are economical, FM approved limitcontrols with convenient optional DIN-rail mounting342