Te-technology TC-48-20 User Manual download pdf (Page 20)

2.0 DisplayandMenuOptions

Note:thissectionappliesonlytotheTC‐48‐20.Setup,programming,andcommunicationswiththeTC‐48‐20OEM

controllercanonlybeaccomplishedbyusingthecomputersoftwarewiththeoptionalMP‐3023RS232cable.

ChangesmadetothecontrollerusingthekeypadarealwaysstoredintheEEPROM

regardlessofEEPROMWRITE

ENABLEsetting.



2.1 Initializationscreen

 1.Displaysfor1.5seconds: TETECHNOLOGY

www.tetech.com

2.Displaysfor1.5seconds: TETECHNOLOGY

TC‐48‐20Rev.****



2.2 Primaryscreen

TEMP=###.#°C

OUT=###%T2=##



Thecontrollerdisplaysinformationaboutthefollowingitems:

1)Thetemperatureofthecontrolsensor(TEMP)toa0.1°Cresolution

2)Theoutputlevel(dutycycle)tothethermoelectricmodules(OUT)

3)Thetemperatureofthesecondtemperaturesensor(T2)





Ifthecontrolsensoriseitheranopencircuitorashortcircuit(indicatingthatthesensorisnot

connectedorhasfailed),thecontrollerwilldisplaySENSOR1ERRORonthetoplineofthedisplay

insteadofTEMP=###.#°C.Theoutput%willalsobeforced

to0%untiltheerrorisresolved.

 Ifasecondarysensorisnotconnectedtothecontroller,T2=###willnotbedisplayed(unlessitis

forcedtodisplaybyusingthesoftwaremenusetting).



IfALARM1orALARM2hascausedthepoweroutputtobeturned

off,thewordsALARMandOUT=0%will

flashinalternatingsequenceintheplaceofthenormalOUT=###%indicator.Whennotusingathermistor

onthesecondsensorinputtheuserwillneedtoadjusttheALARM2FUNCTIONtoKEEPOUTPUTON.

ParametersMenu

WhenatthePrimaryScreen(shownbelow),depressingtheMENUkeyallowstheusertoscrollthroughand

adjustthevariouscontrollerparameters.



BUTTON

DOWN ARROW BUTTON

DECREASE PARAMETER

UP ARROW BUTTON

INCREASE PARAMETER

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