Te-technology TC-36-25-RS485 User Manual download pdf (Page 8)

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Features

TC‐36‐25RS485,Thermistor,I/OCable,andSoftware

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TheTC‐36‐25RS485providesbi‐directional(heatingandcooling)temperaturecontrolforthermoelectricdevices.

Resistiveheaterscanalsobecontrolled.AnH‐bridgeconfigurationisusedforthepoweroutputstage.Theoutputstage

ismadefromsolid‐stateN‐ch

annelMOSF

ETs(norelaysormechanicalcomponentsareused).Thesetransistorsarehighly

efficientandallowforthebi‐directionalflowofcurrentthroughthethermoelectriccoolers.Theirhighefficiencyreduces

thewasteheatgeneratedbythecontrollerandallowsforacompactdesign.

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TheTC‐36‐25RS485controllerisprogram

ableviaaRS‐485portorRS‐485portadapter.TheTC‐36‐25RS485canbe

networkedwithupto254controllersononeRS485communicationsport.Fieldselectableparametersordataacquisition

inahalfduplexmodecanbeperformed.ThesuppliedsoftwareiscompatiblewithWin

dows95

/98/XP/NT.Thesoftware

providesagraphicaluserinterfaceforsettingcontrolparametersandreceivingfeedbackfromthetemperaturesensor(s).

However,thecommandsetisalsoprovidedsothatqualifiedpersonnelcanusethecontrollerasanembeddedcontrol,or

theycancreateacustomprograminterface.Thesoftwarecanalsobeus

edtoin

structtheTC‐36‐25RS485tosavethe

desiredcontrolparameterstothecontroller’snon‐volatilememory.Thisallowsthecontrollertobedisconnectedfrom

thecomputerandoperatedasastand‐alonecontroller.Whenoperatingasastand‐alonecontroller,thecontrollercanbe

settoalwa

yscon

troltothestoredsetpointoritcanbesetuptoacceptaproportionalsignaltovarythesetpointas

required.

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Mechanically,thecontroller’sprintedcircuitboardismountedtoametalbracketthatissuitableforeitherhorizontalor

verticalorientation.Thecontrollercanope

rateinam

bienttemperaturesfrom0°Cto60°Cwithoutgenerallyrequiring

additionalheatsinking.Thecontrollerisintendedtobeusedinlocationswherethecontrollercanbeprotectedbya

secondaryenclosureorothermeansofprotection.

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Te-technology TC-36-25-RS485 User Manual Page 8