XITRON XT2640 - AC 1-Phase Supplies

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XT2640OperatingManual 13July2016 Page107of187

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TheAUTOsettingshouldbechosenasshownabove;thetextshownineachARANGEbuttonmayhaveadifferentrange

(LO)or(HI)indicatedasthatshowstheactualrangeselectedforthecurrentbeingpassedatthattime.

FortheFUNDsetting–

ThismustbesettoAVIONICSasshownabove.

FortheBANDWIDTHsetting–

ExceptfortheAirbusrequirements,theAUTO‐TRACKsettingshouldbechosenasshownabove;thetextshowninthe

buttonmayhaveadifferentfrequencyindicatedasthisdependsontheactualmeasuredfrequencyatthetimeofeachtest.

FortheAirbusrequirementsa300kHzfixedfrequencybandwidthlimitsettingshouldbesetusingtheUSERchoiceand

setting300kHzasthelimit.

FortheHARMONICSsetting‐

ForDO‐160E/F/Gasettingof40shouldbechosenasshownabove.

For787B3‐0147asettingof62shouldbechosen.

FortheAirbusrequirementsasettingof500shouldbechosen(theXT2640willautomaticallylimittheactualnumberof

harmonicsto≤150kHzasrequiredintheAirbusrequirementsbecauseofthe300kHzBANDWIDTHsettingused).

20.2.2 AC 1‐PHASESUPPLIES

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FortheARANGEsetting–

ForSD,ADorWDchannelsitwillbeasshownabove.ThiswillnotbeshownifusingSH,AHorWHchannelsasnosettingis

required.