Kitz RDH Series - Output of Valve Position̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲ ̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲24; Error Detection̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲ ̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲̲24

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DocumentNo.:KE-4051-00
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2.4OutputofValvePosition
Thesignalisoutputfromtheterminalblock.
Outputofthevalvepositionisnotaffectedby1.1SettingValues.
Checkthenameplateoftheproductfortheoutputofthevalvepositionwhichwasspecifiedatthetimeof
purchase.
OutputSignal
Valve
Position
Indicator
4-20mA 1-5V
FullyClosed 0% 4mA 1V
FullyOpen 100% 20mA 5V
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2.5ErrorDetection
(1)HuntingError
Whenacontinuousactioncontinues1.5timesthesettime,itisjudgedasinthehuntingstate.Theoperation
isstillavailablebythecontrolinputsignal.Ifhuntingoccursduetoanyunexpectedexternalfactors,itmay
shortenthelifeofthemotor.Takepreventivemeasurebyreferringto 3WiringinⅢ Installation,Piping,
Wiring.Theactuatoroperatesasfollowswhenahuntingerrorisdetected.
・ERRORlampisturnedon.
・CURRENTVALVEPOSITIONonthevalvepositionindicatorflashes.
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(2)ConstraintError
Itisjudgedthatthevalveisintheconstraintstateifthevalvedoesnotreachthetargetpositionevenafter1.5
timesthesettimeelapsedafterinputtingthecommandtoopenthevalve.Whenthevalveisintheconstraint
state,alltheoperationsotherthanresettingcannotbeperformed.Performaresetoperationandrestorethe
actuatortothenormalstatereferringto3.ProtectiveFunctioninⅣOperation.
Whenaconstrainterrorisdetected,theactuatorisinthefollowingstate.
・Powersupplytothemotoriscutoff.
・Errorlampisturnedon.
・OpenCorrectorisoutputfromtheterminalblock.(30VDC/100mAorbelow）.
・【 L.O.C.】onthepositionindicatorflashes.
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 Removethecauseoftheconstraintstatebeforeperformingaresetoperationtothenormal
state.Otherwise,itmaydamagetheactuatorandthevalve.
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