Extech Instruments DCP42 Manual

A SERVICE OF

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DCP42‐en‐GB_V1.512/14

12

6.3UpperVoltageandCurrentLimits

Whenthevoltageorcurrentattheoutputterminalexceedsthemaximumallowablelimits,the

outputwillautomaticallyswitchOFF.Thisadditionalprotectionfeatureisnecessaryforapower

supplywithsuchawiderangeofvoltageandcurrentcapabilities.

TosettheUVL:



1. TosettheUVL:PresstheSHIFTbuttonandthenpresstheVoltagecontrolknob.The

voltmeterwillshowthecurrentlimitsettingandtheAmmeterwillshowSuul.

2. TurntheVoltagecontrolknobtothedesiredlimitvalue.PressSHIFTtoconfirmandto

returntonormaloperation.

3. TosettheUCL,pressSHIFTandthenpresstheCurrentcontrolknob.TheAmmeterwill

showthecurrentlimitsettingandtheVoltmeterwillshowSUCL.

4. TurntheCurrentcontrolknobtothedesiredlimitvalue.PressSHIFTtoconfirmandto

returntonormaloperation.

Note:

TheUVLandUCLsettingsdefaulttothemaximumoutputvalue.

6.4RemoteSensing

Note:ObservewarningsdisplayedbythePowerSupply,anincorrectdisconnectionsequence

willdamagethePowerSupply

Warnings:NevershorttheRemoteSensingTerminaland alwaysdisconnecttheRemoteSensing

Terminalfirst.

6.4.1Connection

1.Firstcompletethepowerconnectionsbetweenpowersupplyandequipment.

2.Checkandensurethatthe

powerconnectionsaresecure.

3.MakeconnectionsbetweenRemoteSensingandequipment.



Warning!:NevershorttheRemoteSensingTerminaland neverconnecttheRemoteSensing

Terminalinreversepolarity



ThediagrambelowshowstheconnectionsforRemoteSensing,Poweroutput,andEquipment.

TheremotesensingwireshouldbeATLEAST

22AWGwiresize.



6.4.2Disconnection

Warning!Incorrectdisconnectsequenceswilldamagethepowersupply

1.Firstdisconnecttheremotesensingconnections.

2.Thendisconnectthepowerconnectionsbetweenthepowersupplyandequipment.

