Barrel Heaters - Hasmak.com.tr

TemperatureControllersProblem SolversWatlow Solutions To CommonTemperature Control ProblemsTemperature control performanceproblems can be greatly reduced oreliminated by using the optimumtemperature controller for theapplication. Check the list below to seeif Watlow temperature controllers canimprove your process.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 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 mounting276