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Experience In Motion

USER INSTRUCTIONS

InstallationOperation

Maintenance

Limitorque Actuation Systems Modutronic 20 IIFCD LMENIM4002-00 – 08/06 (Replaces 401-12000)

Limitorque Actuation Systems Modutronic 20 II FCD LMENIM4002-00 – 08/06

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Contents1 Introduction 5

1.1 SafetyInformation 51.2 ProductIdentification 61.3 ProductDescription 61.4 ProductFeatures 61.5 ProductSpecifications 7

2 Operation 83 Definitions 104 InitialCheckoutandSetup 11

4.1 VerifyCorrectMotorRotation(Phasing)andOPEN/CLOSEPushbuttonOperation 114.2 VerifyLimitSwitchandTorqueSwitchSettings 134.3 AdjustingtheActuatorFeedbackPotentiometer 134.4 ConnectingtheMod20IItoCustomerCommandSignalLeads 14

5 Mod20IIPresets 166 CalibrationProcedure 187 Troubleshooting 238 WiringDiagram 259 Schematic 28


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FiguresFigure1.1–Modutronic20II 6Figure2.1–LYwithaModutronic20IIandAssociatedActuatorComponents 9Figure3.1–CalibrationPositions 10Figure4.1–StandardMotorRotationandReverseMotorRotationWiringDiagrams

forDual-Voltage,Capacitor-Start,Induction-Run,andSingle-PhaseLow-VoltageMotors 12Figure4.2–StandardMotorRotationandReverseMotorRotationWiringDiagrams

forDual-Voltage,Capacitor-Start,Induction-Run,andSingle-PhaseHigh-VoltageMotors 13Figure4.3–PotentiometerCalibrationComponentsShownonaLYPositionIndicator 14Figure6.1–CalibrationAdjustmentsfortheModutronic20II 18Figure6.2–mACalibratorTypicallyConnects(suggestAltekModel334,www.altekcalibrators.com)

toanInterconnectBoardTerminalStriporTerminalStripsLocatedintheRearofaPanel-MountedMod20II 19

Figure6.3–Modutronic20IIBoardComponentLocations 19Figure6.4–FAILTOModeJP1Jumper 22Figure8.1–Modutronic20IITypicalThree-PhaseWiringDiagram 26-27Figure9.1–Modutronic20IISchematicDiagram 29-30

TablesTable1.1–Modutronic20IISpecifications 7Table4.1–Modutronic20IITerminalConnections 15Table5.1–ON/OFFPotentiometerTurnsforDesiredOperatingTime 16Table6.1–DIPSwitchSettingLevelsofDeadbandAccuracy 20


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1Introduction

1.1 SafetyInformationThisInstallationandMaintenanceManualwaswrittenfortheuserwhoisaddingModutronic20IIcapabilitytoanexistingactuatororwhowantstoadjustand/ortroubleshootapreviouslyinstalledModutronic20IIController.Theseguidelinesprovidetheinformationthatisnecessarytocorrectlyinstall,setup,calibrate,andtroubleshoottheModutronic20IIController.

YoursafetyandsatisfactionareveryimportanttoFlowserve.Pleasefollowallinstructionscarefullyandpayspecialattentiontosafety.

Thefollowingmethodswillbeusedtoemphasizetextthroughoutthismanual:

WARNING:Referstopersonalsafety.Thisalertsthereadertopotentialdangerorharm.Failuretofollowtheadviceinwarningnoticescouldresultinpersonalinjuryordeath.

CAUTION:Directsattentiontogeneralprecautions,which,ifnotfollowed,couldresultinpersonalinjuryand/orequipmentdamage.

NOTE:Highlightsinformationcriticaltotheunderstandingoruseoftheseproducts.

Boldtexthighlightsotherimportantinformationthatiscriticaltosystemcomponents.

CAPITALIZEDtextstressesattentiontothedetailsoftheprocedure.

Underlinedtextemphasizescrucialwordsinsentencesthatcouldbemisunderstoodifthewordisnotrecognized.

Thepurposeoftheseemphasizedblocksoftextistoalertthereadertopossiblehazardsassociatedwiththeequipmentandtheprecautionsthatcanbetakentoreducetheriskofpersonalinjuryanddamagetotheequipment.

Readandbecomefamiliarwiththematerialintheseguidelinesbeforeattemptinginstallation,opera-tion,ormaintenanceoftheequipment.Failuretoobserveprecautionscouldresultinseriousbodilyinjury,damagetotheequipment,oroperationaldifficulty.

WARNING:ReadthisInstallationandMaintenanceManualcarefullyandcompletelybeforeattemptingtoinstalloroperatetheModutronic20II.BeawareofelectricalhazardswheninstallingorperformingmaintenanceontheModutronic.

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1.2 ProductIdentificationFigure 1.1 – Modutronic 20 II

1.3 ProductDescriptionTheModutronic20IITMisasolid-stateintegratedcircuit-basedcontroller.Itisusedtooperateelec-tricvalveactuatorsinwastewater,petrochemical,andotherindustryapplicationsrequiringaccuratemodulationpositioning.Thestandardinputconsistsofa4-20mAsignalgeneratedbyaprocesscontroller;theresultingoutputisusedtoaccuratelyandrepeatablypositionavalveactuatorthroughconventionalorsolid-stateswitchingofeithersingleorthree-phaseACpower.

1.4 ProductFeaturesAccuracyandrepeatabilityofpositioningwithin1%offull-scaleforactuatorstroketimesgreaterthan30seconds.

Solidstatecircuitryforlongerlifeandreliableservice

4-20mAcommandsignal

Canbeusedtocontrolsingleorthree-phasesystems

JumperselectableLock-in-LastorFail-Closedconfigurationsifcommandsignalislost

Fiveparametersavailableforadjustmentallowsactuator/applicationmatch

AdjustableONandOFFmotorcontroltimers

LEDindicatorsdisplaysignal,power,andcontrolstatustosimplifycalibrationandmonitorperformance

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•

•

•

•

•

•

•

MODUTRONIC20

MODEL II

CLOSE

OPENZERO

SPANGAIN

POWER ON

INPUT ACTIVE

ON TIME

OFF TIME

Zero, Span,Gain CalibrationPotentiometers

61-825-0713-1

SALES/SERVICE

434-528-4400

StatusIndicator Lights

On-Time/Off-TimeCalibrationPotentiometers

Cover

Open/CloseIndicatorLights

WiringHarness

1 2 3 4 5 6 7 8 9 10

Limitorque Actuation Systems

Lynchburg, VA. USA

MODUTRONIC20

MODEL II

CLOSE

OPENZERO

SPANGAIN

POWER ON

INPUT ACTIVE

ON TIME

OFF TIME

Zero, Span,Gain CalibrationPotentiometers

61-825-0713-1

SALES/SERVICE

434-528-4400

StatusIndicator Lights

On-Time/Off-TimeCalibrationPotentiometers

Cover

Open/CloseIndicatorLights

WiringHarness

1 2 3 4 5 6 7 8 9 10


Lynchburg, VA. USA


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1.5 ProductSpecificationsTable 1.1 – Modutronic 20 II Specifications

PowerRequirements Derivedfromactuatorsupply

Boardpower18VACor24VDC(±10%).3VA

ControlSignal 4-20mA

Accuracy Within±1%(>30secondstroke)

LossofCommandSignalSelections Fail-to-last-position

Fail-to-minimum-signal-position

Temperature -40°Cto+85°C(operating)

MaximumStarts Solidstatereverser–600/hour

PerHour Electromagneticcontactor–100/hour

MaximumDirectOutputLoading Motorcurrent–4.5AInrush,3AHolding

Dimensions Mod20–1.5”Hx3.25”Wx4”L

Separateenclosure

11.7”Hx12.75”Wx17.4”L

Deadband Adjustablebetween1%and10%

Resolution 1%

Linearity 1%

Humidity To95%(non-condensing)


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2Operation

TheModutronic20IIreceivesaninputsignal,normally4-20mA,fromtheexternalprocesscontroller.Thissignaliscompared(withintheMod20IIcircuitry)tothepresentpositionoftheactuatorasindicatedbythesignalfromtheFeedbackPotentiometerattachedtothegeartrainoftheactuator.Thecomparisonofthesetwosignalsgeneratesanerrorsignalthatdictatesthedirectionanddistancetheactuatorneedstobedriven.

Upongenerationoftheerrorsignal,theappropriateoutputtriacisenabledand115-voltcontrolpowerisdirectedtotheoutputcontactor(thismaybeanelectromechanicalcontactororasolidstatereverserdependingupontheapplication).

Astheactuatordrivestowardtheset-point,itentersaregionsurroundingtheset-pointwherethecontrolfunctionwithintheMod20IIchangesfromacontinuouspowerapplicationtoapulsingmode(proportionalband).TheMod20IIcontinuouslycomparesthevalve’sactualpositiontothedesiredset-pointthroughitscircuitry;motorpulsingiscontinueduntiltheactuatorisaccuratelypositionedattheset-point.Thepointinthevalvetravelatwhichthepulsingmodeisenabledandspacing/durationofthepulsesarealluseradjustableontheMod20II.


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Figure 2.1 – LY with a Modutronic 20 II and Associated Actuator Components

Motor

FeedbackPot(X2)

Control Transformer

4-20 mA out

InterconnectBoard

Gearing tovalve stem

Conventionalcontactor or

soild statereverser

Single orThree-Phase

Power

Input4-20mA

L1

L3L2

Actuator Body

MDPI

MotorCompartment

ControlCompartment

R-1Converter(Optional)

Mod 20 II34 Feed- Motor18 back ControlVAC IN IN/OUT1 2 3 4 5 6 7 8 9 1 0

Motor

FeedbackPot(X2)

Control Transformer

4-20 mA out

InterconnectBoard

Gearing tovalve stem

Conventionalcontactor or

soild statereverser

Single orThree-Phase

Power

Input4-20mA

L1

L3L2

Actuator Body

MDPI

MotorCompartment

ControlCompartment

R-1Converter(Optional)

Mod 20 II34 Feed- Motor18 back ControlVAC IN IN/OUT1 2 3 4 5 6 7 8 9 1 0


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3Definitions

Figure 3.1 – Calibration Positions

CommandSignal Inputsignalprovidedbyusertoassignthedesiredvalveposition.

Deadband Adjuststhemaximumallowableerrorsignal.(DifferencebetweenthePositionCommandSignalandPositionFeedbackPotentiometerSignal).SelectableontheMod20IIDIPSwitch.SeeTable6.1forDIPSwitchsettingchart.

ProportionalBand(PulsingWindow) controlsthepointonthescaleofvalvetravelthatthemotorbeginsthepulsingmode.(IncreasingGAINdecreasesthewindowwidth).

AdjustingtheGAINPotentiometerfullyCWz(increasingGAIN/decreasingpulsingwindow),setstheGAINtoitsmaximumsettingcausingthemotortoruncontinuouslyuptotheSet-Pointbeforepoweristurnedofffromthemotor.

AdjustingtheGAINPotentiometerCCWu(decreasingGAIN/increasingpulsingwindow),causestheMod20IItobeginto“pulse”themotoronandoffasitapproachestheSet-Point.

OnTime AdjuststhetimethattheelectromechanicalcontactorsorSolid-StateReversersareengagedwhileinthepulsingwindow.

OffTime AdjuststhetimethattheelectromechanicalcontactorsorSolid-StateReversersaredisengagedwhileinthepulsingwindow.

Set-Point DesiredstoppingpositionforMod20II;determinedbytheCommandSignal.

Span CalibratestheMod20IItoaligntheMaximumCommandSignal(normally20mA)withthePositionFeedbackPotentiometerattheopenposition.

Zero CalibratestheMod20IItoaligntheMinimumCommandSignal(normally4mA)withthePositionFeedbackPotentiometeratthecloseposition.

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•

Span

Valve Travel

(Zero/Minimum

Command Signal)

Valve Travel

Deadband

Proportional Band(Pulsing Window )

Set Point

(MaximumCommand Signal)

Span

Valve Travel

(Zero/Minimum

Command Signal)

Valve Travel

Deadband

Proportional Band(Pulsing Window )

Set Point

(MaximumCommand Signal)

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4InitialCheckoutandSetup

4.1 VerifyCorrectMotorRotation(Phasing)andOPEN/CLOSEPushbuttonOperation

Itisveryimportanttocheckforcorrectmotorrotationtoinsurethatseriousdamagetothevalveorotherequipmentdoesnotoccur.Iftheactuatormotorrotatesinthewrongdirection,over-torquedamagecouldoccurtotheequipment.

Priortobeingshippedfromthefactory,eachactuatorisinspectedtoverifyproperoperationoftheTorqueandPositionLimitSwitchandtoensurethattheyfunctioncorrectly(i.e.closeswhentheCLOSEpushbuttonisdepressed,openswiththeOPENpushbutton,etc.).Theseinspectionsaremadewithaproperlyphasedpowersourceconnectedasdescribedintheactuatormanual.

CAUTION:Toensureproperoperationandtopreventyouractuatororotheractuatedequipmentfromdamage,verifythatyourunitisproperlyconnectedtoitspowersource.

NOTE:Yourapplicationmayvaryfromthefollowingstandardwiringconfigurationsforthree-phase,single-phase,andDCmotors.Refertoyouractuatorwiringdiagramforuser-specificwiringconfiguration.

Three-PhaseMotor1. UsingtheHandwheel,movethevalvetoamidtravelposition(midtravelpositionallowselectrical

operationinthevalve“safe”areaandkeepstheOPENandCLOSEDLimitSwitchesfromtrippingwhiletestingmotordirection).

2. TestmotordirectionbymomentarilypressingtheOPENpushbutton:a.IftheactuatormovestowardCLOSED,immediatelyturnallpowerOFFandreversethemotorleadsT1andT3.

NOTE:Refertoyouractuatorwiringdiagramforuser-specificwiringconfiguration.

b. IftheactuatormovestowardOPEN,themotoriswiredproperlyfortheapplication.

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Single-PhaseMotor1. UsingtheHandwheel,movethevalvetoamidtravelposition(midtravelpositionallowselectrical

operationinthevalve“safe”areaandkeepstheOPENandCLOSEDlimitswitchesfromtrippingwhiletestingmotordirection).

2. TestmotordirectionbymomentarilypressingtheOPENpushbutton:

a. IftheactuatormovestowardCLOSED,immediatelyturnpowerOFFandproceedwiththefollowinginstructionsthatmatchyourapplication.

1. PermanentSplitCapacitorsingle-phasemotorscanbeconnectedforoppositerotationbyinterchangingtheleadsT1andT2comingfromthemotortotheterminalstrip.

2. Single-voltage,capacitor-start,induction-run,single-phasemotorsinterchangeleadsT2andT3comingfromthemotortotheterminalstrip.

3. Dual-voltage,capacitor-start,induction-run,single-phasemotorscanbeconnectedforoppositerotationbuttheconnectiondependsonwhetherthemotorisoperatedonlowvoltageoroperatedonhighvoltage.

Low-voltagemotorsareconnectedforoppositerotationasshowninthechangesbetweentheStandardRotationconfigurationandtheReverseRotationconfigurationinFigure4.1.ThisisaccomplishedbyinterchangingthetwoleadsT1andT3comingfromthemotorwiththetwoleadsT6andT8alsocomingfromthemotor.Nootherchangesarenecessary.

Figure 4.1 – Standard Motor Rotation and Reverse Motor Rotation Wiring Diagrams for Dual-Voltage, Capacitor-Start, Induction-Run, and Single-Phase Low-Voltage Motors

High-voltagemotorsareconnectedforoppositerotationasshowninthechangesbetweentheStandardRotationconfigurationandtheReverseRotationconfigurationinFigure4.2.Thisisaccomplishedbyinterchangingtwosetofleads.First,interchangetheleadsT1andT8comingfromthemotor.Second,interchangeleadsT3andT6atthestartingrelaysR1andR2.Nootherchangesarenecessary.

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•

Standard RotationWiring

T6

T3

L1

L2

4 C5R2 T7

O

C

R1

R2Cap

1

21

2

O

C

R1 T54 5 O

T6 T9

T10

T3

T1

T4T8

T2

Reverse RotationWiring

T6

T3

L1

L2

4 C5R2 T7

O

C

R1

R2Cap

1

21

2

O

C

R1 T54 5 O

T8 T4

T2

T6

T8

T9

T1

T10


T6

T3

L1

L2

4 C5R2 T7

O

C

R1

R2Cap

1

21

2

O

C

R1 T54 5 O

T6 T9

T10

T3

T1

T4T8

T2


T6

T3

L1

L2

4 C5R2 T7

O

C

R1

R2Cap

1

21

2

O

C

R1 T54 5 O

T8 T4

T2

T6

T8

T9

T1

T10

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Figure 4.2 – Standard Motor Rotation and Reverse Motor Rotation Wiring Diagrams for Dual-Voltage, Capacitor-Start, Induction-Run, and Single-Phase High-Voltage Motors

b. TestMotordirectionagainbymomentarilypressingtheOPENpushbutton.IftheactuatormovestowardOPEN,themotoriswiredproperlyfortheapplication.Ifnot,checkthewiringdiagramforproperwiring.

4.2 VerifyLimitSwitchandTorqueSwitchSettings

SettheOPENandCLOSELimitSwitchandtheTorqueSwitchaccordingtotheinstructionsinthespecificActuatorinstructionmanual.

4.3 AdjustingtheActuatorFeedbackPotentiometer

WARNING:HazardousVoltage.TurnpowerOFFbeforecalibratingtheFeedbackPotentiometer.

1. Shutoffallpowertotheactuator.

2. UsingtheHandwheel,positiontheactuatortomid-travel(valveatthe50%position).

3. DisconnectthePotentiometerWiringHarnessfromwhereitispluggedinorconnectedtoaTerminalStrip.

4. UsinganohmmeterverifythatthePotentiometerisinmid-travelposition.TheresistancefromeachEndConnectiontotheCenterConnectionshouldbehalfofthefullresistanceofthePotentiometer.Example:1000ohmPotentiometershouldreadapproximately500ohmsfromoneoftheEndConnectionstotheCenterConnection.

c


T6

L1

L2

4 C5R2 T7

O

C

R1

R2Cap1

21

2

O

C

R1T5

4 5 O

T8 T10

T3

T4

T4

T1 T2 T3

T4

T6 T9

T4


T6

L1

L2

4 C5R2 T7

O

C

R1

R2Cap1

21

2

O

C

R1T5

4 5 O

T1 T2

T3

T9

T4

T8 T10 T6

T4

T3 T4

T4

T3T6Standard RotationWiring

T6

L1

L2

4 C5R2 T7

O

C

R1

R2Cap1

21

2

O

C

R1T5

4 5 O

T8 T10

T3

T4

T4

T1 T2 T3

T4

T6 T9

T4


T6

L1

L2

4 C5R2 T7

O

C

R1

R2Cap1

21

2

O

C

R1T5

4 5 O

T1 T2

T3

T9

T4

T8 T10 T6

T4

T3 T4

T4

T3T6


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Figure 4.3 – Potentiometer Calibration Components Shown on a LY Position Indicator

5. Ifthereadingisnotcorrect,proceedtoStep6.IfthereadingiscorrectproceedtoStep7.

6.

a. LoosenthesmallSetScrewthatretainsthePotentiometerDriveSpurGeartothePotentiometerShaft.

b. RemovetheSpurGeartoallowmanualrotationofthePotentiometerShaft.

c. RotatethePotentiometerShaftuntilthecorrectreadingsareobtainedasdescribedinStep4.

d. RepositiontheSpurGeartore-engagewiththeGearTrain.

e. ProceedtoStep7.

7. DisconnecttheohmmeterandreconnectthePotentiometerwiringtooriginalconnection.

4.4 ConnectingtheMod20IItoCustomerCommandSignalLeads

WARNING:HazardousVoltage.TurnpowerOFFbeforeremovingtheactuatorcoverandconnectingthecommandsignal.

IftheMod20IIwasfactoryinstalled,theonlyconnectionrequiredistheuserinputcommandsignalleads(normally4-20mA).Theseconnectionsshouldbemadeattheterminalstripinaccordancewiththewiringdiagramenclosedwiththeactuator.

NOTE:iftheunitdoesnothavefactory-suppliedpushbuttons,refertoyourwiringdiagramtoinstallacustomer-suppliedpushbuttonstation.

IfretrofittingoraddingaMod20IItoanexistingactuator,usethefollowingconnectiontableandyourwiringdiagramforwireleaddesignations.

c

PotentiometerShaft

Spur Gear

Setscrew

EndConnection

CenterConnection

Ohmmeterto Pot Leads

PotentiometerDrive Gear

50 1000PERCENT OPEN

Limitorque

PotentiometerShaft

Spur Gear

Setscrew

EndConnection

CenterConnection

Ohmmeterto Pot Leads

PotentiometerDrive Gear

50 1000PERCENT OPEN

Limitorque

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Table 4.1 – Modutronic 20 II Terminal Connections

Mod20IITerminals Description L120Non-CompactIntegralPCBoard(61-825-0337-3)

P1-1 18VAC 18VAC SeeNote

P1-2 18VAC PowerSource SeeNote

P1-3 Negative4-20mAsignal TB1-5 -4-20mA

P1-4 Positive4-20mAsignal TB1-4 +4-20mA

P1-5 Potentiometer TB1-8

P1-6 Potentiometer(wiper) TB1-9

P1-7 Potentiometer TB1-10

P1-8 115VAC(outputcommon) TB2-5

P1-9 CloseContactorOutput TB2-6

P1-10 OpenContactorOutput TB2-7

Note: To Terminal Strip or Control Power Transformer with 18-Volt tap.


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5Mod20IIPresets

WARNING:HazardousVoltage.TurnpowerOFFbeforeremovingtheactuatorcoverandconnectingyourcommandsignal.

1. Turnoffallpowertotheactuatortoavoidequipmentdamageorpersonalinjury.

2. RotatetheGAINPotentiometerfullyCCWu,then15turnsCWztoreachthemidpointofthePotentiometer.(SeeFigure6.3forPotentiometerlocations).

NOTE:Each30-turnPotentiometerwillfaintly‘click’whenrotatedtoeitherthemaximumorminimumposition.

3. RotatetheZEROPotentiometerfullyCCWu,then15turnsCWztoreachthemidpointofthePotentiometer.

4. RotatetheSPANPotentiometerfullyCCWu,then15turnsCWztoreachthemidpointofthePotentiometer.

5. ThefollowinginitialadjustmentstotheONTIMEandOFFTIMEPotentiometersshouldbemadetoestablishtheproperpulsingsequenceanddurationforbothelectromechanicalandsolidstatecontactors.

a. Electromechanicalcontactor

1. RotateONTIMEandOFFTIMEPotentiometersfullyCCWu,then15turnsCWztothemidpointofthePotentiometer.

2. RotateboththeONTIMEandOFFTIMEPotentiometersthenumberoftimesindicatedintheTable5.1toobtainthedesiredoperatingtime.

Table 5.1 – ON/OFF Potentiometer Turns for Desired Operating Time

OperationTime OnTime OffTime

Lessthan60seconds 11turnsCWz 30turnsCWz

60-120seconds 13turnsCWz 30turnsCWz

Greaterthan120seconds 17turnsCWz 25turnsCWz

b. Solidstatereversers/VFDs

1. RotateONTIMEandOFFTIMEPotentiometersfullyCCWu.

2. RotateONTIMEPotentiometer6turnsCWz.

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3. RotateOFFTIMEPotentiometer8turnsCWz.

4. Thiswillprovidea0.04secondONpulseanda0.5secondOFFpulse.

NOTE:

a. RotatingtheONTIMEPotentiometerCWzwillincreasetheONtime.

b. RotatingtheOFFTIMEPotentiometerCWzwillincreasetheOFFtime.

c. Adjustingonecontrol(ONorOFFTIMEPotentiometer)willaffecttheadjustmentoftheothercontrol(ONorOFFTimePotentiometer).

NOTE:

a. ElectromechanicalStartersshouldnotexceed100totalstartsperhour.

b. Solid-StateReversersshouldnotexceed600totalstartsperhour.


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6CalibrationProcedure

WARNING:HazardousVoltageinControlCompartment.ExercisecautionwhilecalibratingtheMod20IIwiththeActuatorControlCompartmentopenandpowerON.

Thepurposeofperformingthecalibrationprocedureistoachievethemaximumaccuracyobtainableforeachparticularactuatorapplicationwhileprovidingstableoperation.Theactuatorgearratioandmanyotherfactorsdeterminetheoptimumcalibrationsettings.

FourDIPSwitchesmountedontheMod20II,aswellastheZERO,SPAN,GAIN,ONTIME,andOFFTIMEpotentiometers,areusedtoobtainthepropersettingsforyourapplication.Thisprocedurewillproceedfromthemostaccuratesettingstotheleastaccuratesettingsuntilunitstabilityisachieved.

Figure 6.1 – Calibration Adjustments for the Modutronic 20 II

1. TurnallpowertotheactuatorOFF.

2. VerifythattheproceduresfortheInitialCheckoutandSetup(Section4)andMod20IIPresets(Section5)havebeenproperlycompleted.

c

MODUTRONIC20

MODEL II

CLOSE

OPENZERO

SPANGAIN

POWER ON

INPUT ACTIVE

ON TI ME

OFF TIME

DIP Switch

61-825-0713-1

434-528-4400


Lynchburg, VA. USA

MODUTRONIC20

MODEL II

CLOSE

OPENZERO

SPANGAIN

POWER ON

INPUT ACTIVE

ON TI ME

OFF TIME

DIP Switch

61-825-0713-1

434-528-4400


Lynchburg, VA. USA

1


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3. Tosimulateacommandsignal,connectthemACalibratortotheCommandInputLeadsontheMod20II.TheseterminationsaretypicallyconnectedtotheactuatorInterconnectBoard,oriftheMod20IIispanelmounted,ontheRearTerminalStripofthepanelmount.Ineithercase,theseleadsarelabeledonyourwiringdiagramandwillleadtoconnections3(P1-3[-])and4(P1-4[+])ontheMod20II.

Figure 6.2 – mA Calibrator Typically Connects (suggest Altek Model 334, www.altekcalibrators.com) to an Interconnect Board Terminal Strip or Terminal Strips Located in the Rear of a Panel-Mounted Mod 20 II

4. SettheMod20IIDIPSwitch#3totheONpositionandDIPswitchesnumbered1,2,and4totheOFFposition.Thiswillsettheerrormargin(DEADBAND)to1%accuracy.

Figure 6.3 – Modutronic 20 II Board Component Locations

16.00

INPUT OUTPUT

mA CALIBRATOR

OUTPUTmA

mA

24v

IN

OFF

OFF

POWERON

Interconnect Board

1 2 3 4 5 6 7 8 9 10 11 12

15 16 17 18 19 20 21 22 23 24

OR

0%

ADJUST

100%

FINECOARSE

16.00

INPUT OUTPUT

mA CALIBRATOR

OUTPUTmA

mA

24v

IN

OFF

OFF

POWERON

Interconnect Board

1 2 3 4 5 6 7 8 9 10 11 12

15 16 17 18 19 20 21 22 23 24

OR

0%

ADJUST

100%

FINECOARSE

Zero

Span

Gain

PowerON

InputActiveLED

ONTime

OFFTime

DIPSwitch

CloseLED

OpenLED


20

Table 6.1 – DIP Switch Setting Levels of Deadband Accuracy

DeadbandPercentage

DipSwitchNumber

1 2 3 4

±.5% Off Off Off On

±1% Off Off On Off

±1.5% Off Off On On

±2.5% Off On Off Off

±3.0% Off On Off On

±3.5% Off On On Off

±4.0% Off On On On

±6.0% On Off Off Off

±6.5% On Off Off On

±7.0% On Off On Off

±7.5% On Off On On

±8.5% On On Off Off

±9.0% On On Off On

±9.5% On On On Off

±10.0% On On On On

WARNING:HazardousVoltageinControlCompartment.ExercisecautionwhilecalibratingtheMod20IIwiththeActuatorControlCompartmentopenandpowerON.

5. SetthemACalibratorfortheminimumsignallevel(normally4mA).TheINPUTACTIVELEDontheMod20IIshouldbeilluminated.Ifnot,reversethepolarityofthemAcalibratorconnections.

6. IftheActuatorisequippedwithanAUTO/MANUALorLOCAL/REMOTEselectorswitch,turntheselectortotheAUTOorREMOTEposition.

7. ApplypowertotheActuatorandtheMod20II.ThePOWERONLEDontheMod20IIshouldbeilluminated.

8. TheActuatormayrunineitherdirectionandthenstop;

a. Iftheunitstops,proceedtoStep9.

b. Iftheunithuntsbackandforth,decreasetheDEADBANDaccuracybychangingtheDIPSwitchsetting(refertoTable6.1).ContinuetoStep9.

c. Iftheunitrunsallthewaytooneendoftravelandstops,thePotentiometerLeadsareprobablywiredbackwards;reversetheFeedbackPotentiometer’spolaritybyreversingtheendleadsattheTerminalStriporontheInterconnectBoard(ifyourapplicationusestheCompactIntegralInterconnectBoard,thePlug-inHarnessfromthePottotheInterconnectBoardcanberotated180˚toreversethepolarity).

9. AdjusttheZEROpoint.Thisstepcalibratestheminimumorzeroset-pointtocorrespondtotheend-of-traveloftheActuatorandoftheFeedbackPotentiometer.RotatetheZEROcontrolslowlyintheCWzdirection.ThiswillcausetheActuatortobedrivenslowlytowardstheminimumcontrolposition(normallyCLOSED).ContinuerotatingtheZEROcontrolCWzuntiltheminimum(CLOSED)PositionLimitSwitchtripsandthemotorstops.TheCLOSELEDshouldilluminateeachtimetheMotoroperates.

10. AdjustthecontrolSPAN.ThisstepcalibratesthetotalSPANofthecontrolfunctionandsetsthemaximumsettingtocorrespondtotheend-of-traveloftheActuatorandoftheFeedbackPotentiometer.

c

21


flowserve.com

a. SetthemACalibratortothemaximumcommandsignal(normally20mA).

b. Theunitmay:

1. RuntowardthemaximumpositionandstopshortofthePositionLimitSwitchtrippoint,or

2. Remaininposition.

c. RotatetheSPANPotentiometerslowlyCWz.ThiswillcausetheActuatortomoveslowlytowardthemaximum(normallyOPEN)position.ContinuerotatingtheSPANcontrolCWzuntilthemaximum(OPEN)PositionLimitSwitchtripsandthemotorstops.TheOPENLEDshouldilluminateeachtimetheMotoroperates.

11. AfterinitiallysettingtheZEROandSPANsetting,usethemACalibratortosettheCommandSignalbacktotheminimumsetting(usually4mA);allowtheactuatortorununtilitstops.Nowfine-tunetheZEROsettingforthepositionwheretheLimitSwitchjusttrips.

12. UsethemACalibratortosettheCommandSignalbacktothemaximumsetting(usually20mA);allowtheactuatortorununtilitstops.Nowfine-tunetheSPANsettingforthepositionwheretheLimitSwitchjusttrips.

NOTE:Ifhuntingcontinuesduringcalibrationprocedure,itmaybenecessarytotemporarilydecreasetheGAINsettingorincreasetheDEADBANDsettingtogettheZEROandSPANsettingscalibrated.

13. AdjusttheONTIME(optional).ThisstepadjuststheperiodoftimetheMotorisenergizedinthepulsingmodewhenitisapproachingthefinalset-pointposition.

NOTE:TheONTIMEmustbeadjustedpriortoadjustingtheOFFTIME.AdjustingtheONTIMEafteradjustingtheOFFTIMEwillrequirerepeatingtheOFFTIMEadjustment.

ThedurationoftheONTIMEpulsetotheContactor/SolidStateReverserisincreasedbyrotatingtheONTIMEPotentiometerCWz.

14. AdjusttheOFFTIME(optional).ThisstepadjuststheperiodoftimetheMotorisde-energizedinthepulsingmodewhenitisapproachingthefinalset-pointposition.ThiscanalsobedescribedastheintervalbetweenONTIMEpulses.ThedurationoftheOFFTIMEpulsetotheContactor/SolidStateReverserisincreasedbyrotatingtheOFFTIMEPotentiometerCWz.

15. AdjusttheGAIN.Thisstepcalibratesthewidthofthepulsingwindowaroundtheset-point.ThiscontrolworksinconjunctionwiththefourDIPSwitcheslocatedontheMod20IIcircuitboardtodeterminethefinalaccuracyoftheunitinregardtosetpointposition.Thewiderthepulsingwindow,thegreaterthedistancefromtheset-pointtheunitentersthepulsingmode.ItisdesirabletominimizethepulsingwindowwithoutcausingtheActuatortohunt(oscillateuncontrollablyaroundtheset-point).

a. Fortheinitialcalibration,ensurethatDIPSwitch3isONandDipSwitches1,2,and4areOFF.Thiswillprovide1%DEADBAND.

NOTE:IfnoDIPSwitchissettotheONposition,theactuatorwillnotoperate.

b. MakesuretheGAINPotentiometerisatthemidpoint,thenrotatetheGAINPotentiometeroneturnCWz.

c. StartwiththemACalibratorat4mA,thenmakea5mAchangeintheoutputofthemACalibratortoprovideasignificantchangeofposition;nowwatchtheactionoftheactuator.


22

1. Iftheactuatorhuntsuponreachingthenewset-point,reducetheGAINcontrolbyturningintheCCWudirectionuntilthehuntingstopsandproceedtoStepe.

2. IftheunitcontinuestohuntaftertheGAINcontroladjustment,proceedtoStepd.

d. RotatetheGAINcontrolfullyCCWuandthen15turnsCWz;adjusttheDEADBANDtoalessaccuratesettingandrepeattheGAINsettingprocedurestartingwithStepa.Forexample,ifDIPSwitch3isONandDIPSwitches1,2,and4areOFFtheDEADBANDsettingisat1%accuracy;changetheDIPSwitchsettingto11/2%accuracyandrepeattheproce-dures13athrough13euntilthecorrectDIPSwitchandGAINcontroleliminatesactuatorhunting.SeeTable6.1forDIPSwitchsettinglevelsofdeadbandaccuracy.

e. RotatetheGAINcontrolanextra1/2turnCCWutoeliminatethepossibilityoffutureactuatorhunting.

16. SetdesiredFAILTOmode.SeeFigure6.4.

a. IfLOCK-IN-LAST-POSITIONisdesiredwhenlossofinputsignaloccurs,installajumperatJP1toconnectPin1and2.

b. IfFAIL-TO-4mA-POSITIONisdesiredwhenlossofinputsignaloccurs,installajumperatJP1toconnectPin2and3.

NOTE:Besuretouseoneofthetwojumperselectionsdiscussedabove;FAIL-TOoperationwillbeforfeitedifJP1isnotused.

Figure 6.4 – FAIL TO Mode JP1 Jumper

17. YourMod20IIshouldnowbeproperlycalibrated.

Lock-In-Last Fail-to-4 mA-PositionJP1

1 2 3JP1

1 2 3

Lock-In-Last Fail-to-4 mA-PositionJP1

1 2 3JP1

1 2 3

2


flowserve.com

7Troubleshooting

Symptom PossibleCause CorrectiveAction

UnitwillnotoperateelectricallyinAUTOorMANUAL

1.Nopowertounit 1a.VerifyPowerSupplyiselectricallycorrectandpresentatactuator.

1b.VerifyPowerLeadsareconnectedinaccor-dancewiththeapplicablewiringdiagram.

1c.InspectforBlownFuse,trippedCircuitBreaker,orOPENDisconnectSwitch.

2.Wiringproblems 2a.(LYswithinternalMod20IIboard)Checkpush-onterminalbetweentheIntegralPCBoardandtheMicroSwitches.CheckforbadMicroSwitchesonSWStation.

3.Starterwiresloose 3a.CheckalltheconnectionsontheReversingStarter.

4.Thermaloverloadshavetripped 4a.Measurecontinuityinthecircuit.Ifyouhaveanopencircuit,waitforthemotortocool,thentrytooperateactuator.Youmayneedtoreducethenumberofstartsperhour.

UnitwillnotoperateelectricallyinAUTO

1.NopowertoMod20II 1a.Verifyincoming18VACbetweenterminalsP1-1andP1-2onMod20IIboard.

2.BadMod20IIboard 2a.Checkboardforburntorbrokencomponents.BypassMod20IIboardusingPushbuttonstoverifyproperoperation.SeeyourspecificwiringdiagramforbypassingMod20IIboard.

3.CommandSignalLeadsreversed

3a.(L120InterconnectPCBoard)CheckthattheCommandSignalLeadsarewiredtoterminalTB16(+)andTB17(-).

4.BadPotentiometer 4a.CheckthePotentiometerwithanohmmeterelectricallyinAUTO.UnplugthePotfromtheIntegralPCBoardandtakeameterreadingbetweenpins7-1and7-2or7-2and7-3.Themetershouldhaveasteadyreading.Ifthemeterreadinggoestozeroorjumpsaround,verifythatthePotiscentered.ReplacethePotifneeded.CheckforCablesthatmayhavebeenpinchedbetweentheHousingCoverorIntegralAssembly.

5.AllDIPswitchesturnedOff 5a.CheckDIPswitches.RefertoCalibrationProcedure(Section6),Step15a.

Continued on page 24


24

Symptom PossibleCause CorrectiveAction

Unitsruninonedirectiononly

1.Shortedoutput 1a.VerifyproperMANUALdirectionoperation.Usingammeter,verifypropercommandsignal,verifyallcalibrationshavebeencompletedproperly.IfyoustillhavedifficultycalibratingtheMod20IIafterverifyingtheabovesettings,replacetheMod20II.

NoLOCK-IN-LASTPOSITION

1.MissingJP1Jumper 1a.LocateJP1JumperontheMod20IIboardandverifyconnections.

Unitwillnotfollowsignal

1.BadPotentiometerorPotentiometerisnotcentered

1a.CheckPotasdiscussedinitem#7.IfPotisOK,placetheactuatorat50%andchecktheresistancebetweenterminals7-1and7-2or7-2and7-3withanohmmeter.See“AdjustingtheActuatorFeedbackPotentiometer”(Section4.3).

Inputsignaldoesnotresultinfulltravelofthevalve

1.Mod20IInotcalibratedcorrectly

1a.SeeSection6toreviewthecalibrationprocedurefortheMod20II.

2.ZEROandSPANadjustmentsincorrect

2a.RecalibrateaccordingtoprocedureinSection6.

Largeinputsignalvariationsresultinlittleornoactuatormovement

1.ImproperanalogInputSignalvalue

1a.CheckforproperInputSignalvalue.

2.LimitSwitch 2a.Checkforpropersetting.(SeeappropriateactuatormanualforsettingtheLimitSwitches.)

3.DEADBANDadjustment 3a.ChecktheDIPSwitchaccuracyadjustmentsshowninTable6.1.

4.ZEROandSPANadjustments 4a.RecalibrateaccordingtoprocedureinSection6.

2


flowserve.com

8WiringDiagram


26

Figure 8.1 – Modutronic 20 II Typical Three-Phase Wiring Diagram

G Green indicatingR Red indicating

- Opening coil- Closing coil

Motor

7

3(7) (7C)

(3) (3C)

R

G

(18) (18C)

(17) (17C)

(5) (5C)

(1) (1C)

(8) (8C)

8

1

Local Remote

O

CO

C

C

C

C

O

O

O

T1

T2

T3

L1

L2

L3

4

5(4) (4C)

Th.O l

By-pass cir.

Ind lightOpen limitBy-pass ci r

Ind lightClose limit

SpareSpareSpareSpareSpareSpareSpareSpare

FullyOpen

FullyClosed

Valve shown in full open position

SsOff

Spare

Spare

3. See certification sheet for voltage supplied. Transformer unused wired to be separately covered with insulating heat shrink tubing.

JumpSee note#5

A B

Gnd

Cpt

18V115V 18V

Pb1Open

Pb2Stop

Pb3Close

Elec htr

Mtr htr

O

C

(Open)

4

2(Close)

3

(Common )

1

11

12

13

H2H1

6

5

Remote ind

Remote ind

21/22

10

19/20

A B C D E

4-20 mAInputSignal

(+)

(-)

Blue

Yellow

Orange

1000ohmPot

10

9

8765

4

3

12

Open

Close

CommonCWSweeperCCW

(+)

(-) Inpu

tSi

gnal

18 VACPower

18

1

Yellow

Blue

Orange

17

18

LEGEND

2.1.

Close contactOpen contact

NOTESLimit switch contact development

Valve positionRotor

Open

Close

Int.1

Int.2

Function

1234567

910111213141516

Cont

act

Opening torque switch interrupts control circuit ifmechanical overload occurs during opening cycle

Closing torque switch interrupts control circuit ifmechanical overload occurs during closing cycle

18

17

YellowRed

BlueWhite

YellowWhite

Brown

YellowBlack

BlueBlack

P1

P1

BrownRed

Red

Red

White

BlueRed

P1

Purple

Black

Black

Blac

k

Red

Black

P2

Gray

Black

Yellow

Green/white Green/white

Green

230 V500H1 and

To l1H2 and

To l2

480460415380

1ABEDE

AlternateTransformer types

600575550

--

32

Taps

Brown

Orange

Gray

Pink

Blue

L1f

L2f

Res

Res

BlackYellow

Green/white

Blue

Blue

Yellow

RedBrownBlack

Yellow/black

Blue/black

Mod

-20

mod

elII

Yellow

4. Rotors int.1 & Int.2 Can be set at valveposition full open, full closed or anyposition in between as indicated bypoints a and b.

5. Add jumper on ls#8 between terminals (8)and (8C) for torque seating valves

O-open contactC-close contact

Cpt-control power transformer+-Mechanical interlockTh.Ol-thermal overload contacts

Ss-selector switch (local-off-remote)Pb1-open pushbuttonPb2-stop pushbuttonPb3-close pushbuttonElec htr-compartment heaterMtr htr-motor heaterPot-potentiometerRes-lamp resistors

Red

Whi

te

Blue

Fuse

Fuse

Fus

Yello

w

Blue

8 G Green indicatingR Red indicating

- Opening coil- Closing coil

Motor

7

3(7) (7C)

(3) (3C)

R

G

(18) (18C)

(17) (17C)

(5) (5C)

(1) (1C)

(8) (8C)

8

1

Local Remote

O

CO

C

C

C

C

O

O

O

T1

T2

T3

L1

L2

L3

4

5(4) (4C)

Th.O l

By-pass cir.

Ind lightOpen limitBy-pass ci r

Ind lightClose limit

SpareSpareSpareSpareSpareSpareSpareSpare

FullyOpen

FullyClosed

Valve shown in full open position

SsOff

Spare

Spare

3. See certification sheet for voltage supplied. Transformer unused wired to be separately covered with insulating heat shrink tubing.

JumpSee note#5

A B

Gnd

Cpt

18V115V 18V

Pb1Open

Pb2Stop

Pb3Close

Elec htr

Mtr htr

O

C

(Open)

4

2(Close)

3

(Common )

1

11

12

13

H2H1

6

5

Remote ind

Remote ind

21/22

10

19/20

A B C D E

4-20 mAInputSignal

(+)

(-)

Blue

Yellow

Orange

1000ohmPot

10

9

8765

4

3

12

Open

Close

CommonCWSweeperCCW

(+)

(-) Inpu

tSi

gnal

18 VACPower

18

1

Yellow

Blue

Orange

17

18

LEGEND

2.1.

Close contactOpen contact

NOTESLimit switch contact development

Valve positionRotor

Open

Close

Int.1

Int.2

Function

1234567

910111213141516

Cont

act

Opening torque switch interrupts control circuit ifmechanical overload occurs during opening cycle

Closing torque switch interrupts control circuit ifmechanical overload occurs during closing cycle

18

17

YellowRed

BlueWhite

YellowWhite

Brown

YellowBlack

BlueBlack

P1

P1

BrownRed

Red

Red

White

BlueRed

P1

Purple

Black

Black

Blac

k

Red

Black

P2

Gray

Black

Yellow

Green/white Green/white

Green

230 V500H1 and

To l1H2 and

To l2

480460415380

1ABEDE

AlternateTransformer types

600575550

--

32

Taps

Brown

Orange

Gray

Pink

Blue

L1f

L2f

Res

Res

BlackYellow

Green/white

Blue

Blue

Yellow

RedBrownBlack

Yellow/black

Blue/black

Mod

-20

mod

elII

Yellow

4. Rotors int.1 & Int.2 Can be set at valveposition full open, full closed or anyposition in between as indicated bypoints a and b.

5. Add jumper on ls#8 between terminals (8)and (8C) for torque seating valves

O-open contactC-close contact

Cpt-control power transformer+-Mechanical interlockTh.Ol-thermal overload contacts

Ss-selector switch (local-off-remote)Pb1-open pushbuttonPb2-stop pushbuttonPb3-close pushbuttonElec htr-compartment heaterMtr htr-motor heaterPot-potentiometerRes-lamp resistors

Red

Whi

te

Blue

Fuse

Fuse

Fus

Yello

w

Blue

8

2


flowserve.com

Figure 8.1 – Modutronic 20 II Typical Three-Phase Wiring Diagram (continued)

Electrical compartment

18

17

Open

Close

(17C) (17)

(18C) (18)

TorqueSwitch

Th.O l

Motor

Limit switches

Mtr htr

T1

T2

T3P1

H1H2P2

Limit switches

Cpt

Pb3Close

Pb2Stop

Pb1Open

LocalOf f

Remote

Wht Blk

(Note#3 )

Blu

Yel

Brn

Org

Gry

Pnk

Blk/wht

Red/wht

Blk

P2Grn/wht

Blk

WhtH2

H1

Grn/wht

L1

L2

L3

Wht

Blk

Wht

Blk

Blu/blk

Yel/blk

Blu

Yel

Org

Brn

Feedback pot1000 ohm

For signalConverter use

When supplied

Blu

Yel

Org

Primary

Secondary

Wht

RedBlk

BrnPur

Gry Pnk

Blu Yel

Org

Brn

RedBrn

Blk

Red Wht GrnWht

ElecHt r

BlueYellowPurpleBlackOrangeBrow nWhiteRedGreenPinkGrayColor/striped

Wire color legend

Motor ground lug

Grn/wht

1

L1

L2

Fuses

ChassisGround

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

Selector switch inRemote indication


When supplied

Incoming power ground

L3 incoming power

L2 incoming power

L1 incoming power

Spare

: Blu: Yel: Pur: Blk: Org: Brn: Wht: Red: Grn: Pnk: Gry

L1f

L2f Reversing starter

L2f

L1f

Close rotor Open rotor123

1

23

4

12

34

YelYel

Yel/blkBlu/blk

BlkBrnRedOr gYelBlu

123456789

10

4-20 mAInputSignal

(-)

(+)

Spare

Spare

Spare

1

2

3

4

123

BlkBrnRed

BlkBrnRed

Yel

Red/whtBlk/wht

Blu

Blu

21

12

BluBlu1

2

18V

10Va

Yel

18V

10Va

115V

75Va

(1)

(1C)5

(5C)

(5)

(4)

(4C)(3)

(3C)(2)

(2C)

(8)8

(8C)

7(7C)(6)

6

(6C)

(12)12

(12C)(11)11

(11C)(10)10

(10C)(9)

9(9C)

(16)16

(16C)(15)15

(15C)(14)14

(14C)(13)13

(13C)

1

2

3

4

(7)

Yel/blk

Yel/red

Grn

Blk

Blu/red

Blue

Red

Blk

Yel/red

Yel

Int.2 Rotor Int.1 Rotor

Blu/blk

Blu/red

Yel/blk

Yel/red

Mod-20-

Model II

Fuse

RedWht

Blk

BluPurYel

PnkOrg

Brn

Gry

Grn

Lights

Buttons

Aux. Term.

Res

Res

Sw323 pushbutton station

Blu/wht

L3T3

L2T2

L1T1

Yel/wht

P1

L1T3

L2T2

L3T1

CO

Yel

Pur

Blu

Blu

Blk

Yel

Blk

Pur

R G

Red

Electrical compartment

18

17

Open

Close

(17C) (17)

(18C) (18)

TorqueSwitch

Th.O l

Motor

Limit switches

Mtr htr

T1

T2

T3P1

H1H2P2

Limit switches

Cpt

Pb3Close

Pb2Stop

Pb1Open

LocalOf f

Remote

Wht Blk

(Note#3 )

Blu

Yel

Brn

Org

Gry

Pnk

Blk/wht

Red/wht

Blk

P2Grn/wht

Blk

WhtH2

H1

Grn/wht

L1

L2

L3

Wht

Blk

Wht

Blk

Blu/blk

Yel/blk

Blu

Yel

Org

Brn

Feedback pot1000 ohm


When supplied

Blu

Yel

Org

Primary

Secondary

Wht

RedBlk

BrnPur

Gry Pnk

Blu Yel

Org

Brn

RedBrn

Blk

Red Wht GrnWht

ElecHt r

BlueYellowPurpleBlackOrangeBrow nWhiteRedGreenPinkGrayColor/striped

Wire color legend

Motor ground lug

Grn/wht

1

L1

L2

Fuses

ChassisGround

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

Selector switch inRemote indication


When supplied

Incoming power ground

L3 incoming power

L2 incoming power

L1 incoming power

Spare

: Blu: Yel: Pur: Blk: Org: Brn: Wht: Red: Grn: Pnk: Gry

L1f

L2f Reversing starter

L2f

L1f

Close rotor Open rotor123

1

23

4

12

34

YelYel

Yel/blkBlu/blk

BlkBrnRedOr gYelBlu

123456789

10

4-20 mAInputSignal

(-)

(+)

Spare

Spare

Spare

1

2

3

4

123

BlkBrnRed

BlkBrnRed

Yel

Red/whtBlk/wht

Blu

Blu

21

12

BluBlu1

2

18V

10Va

Yel

18V

10Va

115V

75Va

(1)

(1C)5

(5C)

(5)

(4)

(4C)(3)

(3C)(2)

(2C)

(8)8

(8C)

7(7C)(6)

6

(6C)

(12)12

(12C)(11)11

(11C)(10)10

(10C)(9)

9(9C)

(16)16

(16C)(15)15

(15C)(14)14

(14C)(13)13

(13C)

1

2

3

4

(7)

Yel/blk

Yel/red

Grn

Blk

Blu/red

Blue

Red

Blk

Yel/red

Yel

Int.2 Rotor Int.1 Rotor

Blu/blk

Blu/red

Yel/blk

Yel/red

Mod-20-

Model II

Fuse

RedWht

Blk

BluPurYel

PnkOrg

Brn

Gry

Grn

Lights

Buttons

Aux. Term.

Res

Res

Sw323 pushbutton station

Blu/wht

L3T3

L2T2

L1T1

Yel/wht

P1

L1T3

L2T2

L3T1

CO

Yel

Pur

Blu

Blu

Blk

Yel

Blk

Pur

R G

Red


28

9Schematic

2


flowserve.com

Figure 9.1 – Modutronic 20 II Schematic Diagram

R1

CW

3.74K

-15 VDC

200K

47.5K

R4

C1

10K

R6

10K

R5U1A 1

R27.5K R7

20KC2

1.2/25SPAN

5K

R10+15 VDC

47/25

P1-7

1K

47/2

R1351K

FEEDBACKPOTENTIOMETER

1000 ohm

ZERO

C6

10/25

-15 VDC

+15 VDC

5KR11

150K

R12

LM7815BT-

U5LM7915BT-

.1/25

C111.2/

R16

R17

R18

2M 3.3

1/21%2.5%6%

R939K

1N4454 CR1

7.15KR20

2N440

30.1KR2

CR31N445

CR41N4454

-15 VDC7.15K

1N445Q22N4401

R2830.1K

1%

21

LM1558

10K

U2A

C13.022/25

2.2M CR51N445

5 U2

R2610K

7

LM15

R210K

R210K

CR1N44

OH

CW

GAINR295K

.22/25

.22/25

INPUTCIRCUIT

C12

+15 V

C7

R155.1K

P1-2

P1-1CR171N40

1N40

C8200/

200/

HLMP47

+15 VDC

-15 VDC

CW

Controller

Deadband

Close Command

Open Command

-15 VDC

18 VAC

P1-6

P1-5

-15 VDC

(Page 30)

+15 VDC

AnalogInverter

Input Impedance (Zin)Zin (4 mA) = 850 ΩZin (8 mA) = 550 ΩZin (12 mA) = 450 ΩZin (16 mA) = 400 ΩZin (20 mA) = 370 Ω

R1

CW

3.74K

-15 VDC

200K

47.5K

R4

C1

10K

R6

10K

R5U1A 1

R27.5K R7

20KC2

1.2/25SPAN

5K

R10+15 VDC

47/25

P1-7

1K

47/2

R1351K

FEEDBACKPOTENTIOMETER

1000 ohm

ZERO

C6

10/25

-15 VDC

+15 VDC

5KR11

150K

R12

LM7815BT-

U5LM7915BT-

.1/25

C111.2/

R16

R17

R18

2M 3.3

1/21%2.5%6%

R939K

1N4454 CR1

7.15KR20

2N440

30.1KR2

CR31N445

CR41N4454

-15 VDC7.15K

1N445Q22N4401

R2830.1K

1%

21

LM1558

10K

U2A

C13.022/25

2.2M CR51N445

5 U2

R2610K

7

LM15

R210K

R210K

CR1N44

OH

CW

GAINR295K

.22/25

.22/25

INPUTCIRCUIT

C12

+15 V

C7

R155.1K

P1-2

P1-1CR171N40

1N40

C8200/

200/

HLMP47

+15 VDC

-15 VDC

CW

Controller

Deadband

Close Command

Open Command

-15 VDC

18 VAC

P1-6

P1-5

-15 VDC

(Page 30)

+15 VDC

AnalogInverter



0

Figure 9.1 – Modutronic 20 II Schematic Diagram (continued)

RESET

CONT V

4

TRIG

R38

R350K

C133/25

56

8

THOL

OU37

1DISC

+15 VDC

U7

9U6A1

4023

+15 VDC

R46

65

40231.5K

R52

JP1

3

12

U6C

13

11

40231.5K

+15 VDC

10K

10K

R50

1.5K

R49+15 VDC

4N2

U8

249.9 K1%

R59

To customer's 4-20 mA signal

To input circuit (Page 29)

CR12

1N44

Jumper pins 1 to 2 for lock in last positionJumper pins 2 to 3 for fail to 4ma position

NOTE:

CLOSELED

+15 VDC

200,1K

COUPLERS:MAX I

MOC3010

OUTPU TTRIAC

Q4010L4

U11

U12

U9

U10

C1.01/

R3510K

5K

100,1K

R5

100,1K

R61200K

R60

C160.04

0.04

C2.01/

P1-3 P1-4

LED4

+15 VDC

P1-10

P1-8

(+)

7.1K

756

LM15510K

U1

470K

R39

CR11MBR03

R338.25K

+15 VDC

12

LM1558U3

8

+15 VDC

-15 VDC

CR13

1N445

CR1

1N44

20K

R4CR9

1N44 221K C14.22/25

756

LM1558

CR15

1N445

CR1

1N44

20K

R43CR1

1N44221K

R48

C15.22/2

150K

R42

7.5K

R44

-15 VDC

R447

10K

R4

Signal DetectorPulseControl

P1-9

Close Enable

Open Enable

Pulse, if error is withinproportional band

Open Command

Close Command

Off Time

On Time

ProportionalBand Detector

SignalStatus


RESET

CONT V

4

TRIG

R38

R350K

C133/25

56

8

THOL

OU37

1DISC

+15 VDC

U7

9U6A1

4023

+15 VDC

R46

65

40231.5K

R52

JP1

3

12

U6C

13

11

40231.5K

+15 VDC

10K

10K

R50

1.5K

R49+15 VDC

4N2

U8

249.9 K1%

R59

To customer's 4-20 mA signal

To input circuit (Page 29)

CR12

1N44

Jumper pins 1 to 2 for lock in last positionJumper pins 2 to 3 for fail to 4ma position

NOTE:

CLOSELED

+15 VDC

200,1K

COUPLERS:MAX I

MOC3010

OUTPU TTRIAC

Q4010L4

U11

U12

U9

U10

C1.01/

R3510K

5K

100,1K

R5

100,1K

R61200K

R60

C160.04

0.04

C2.01/

P1-3 P1-4

LED4

+15 VDC

P1-10

P1-8

(+)

7.1K

756

LM15510K

U1

470K

R39

CR11MBR03

R338.25K

+15 VDC

12

LM1558U3

8

+15 VDC

-15 VDC

CR13

1N445

CR1

1N44

20K

R4CR9

1N44 221K C14.22/25

756

LM1558

CR15

1N445

CR1

1N44

20K

R43CR1

1N44221K

R48

C15.22/2

150K

R42

7.5K

R44

-15 VDC

R447

10K

R4

Signal DetectorPulseControl

P1-9

Close Enable

Open Enable

Pulse, if error is withinproportional band

Open Command

Close Command

Off Time

On Time

ProportionalBand Detector

SignalStatus


1


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