HK Instruments DPT-Ctrl-MOD Series Manuel utilisateur

INSTALLATION

INSTRUCTIONS

Pressure and flow controllers

DPT-Ctrl-MOD Series

• READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING TO

INSTALL, OPERATE OR SERVICE THIS DEVICE.

• Failuretoobservesafetyinformaonandcomplywithinstruconscan

result in PERSONAL INJURY, DEATH AND/OR PROPERTY DAMAGE.

• Toavoidelectricalshockordamagetoequipment,disconnectpower

beforeinstallingorservicinganduseonlywiringwithinsulaonratedfor

fulldeviceoperangvoltage.

• Toavoidpotenalreand/orexplosiondonotuseinpotenally

ammableorexplosiveatmospheres.

• Retaintheseinstruconsforfuturereference.

• Thisproduct,wheninstalled,willbepartofanengineeredsystemwhose

specicaonsandperformancecharacteriscsarenotdesignedor

controlledbyHKInstruments.Reviewapplicaonsandnaonalandlocal

codestoassurethattheinstallaonwillbefunconalandsafe.Useonly

experiencedandknowledgeabletechnicianstoinstallthisdevice.

Thankyoufor choosing an HK InstrumentsDPT-Ctrl-MOD series air han-

dling controller with dierenal pressure or airow transmier. The DPT-

Ctrl-MODseriesPIDcontrollersareengineeredforbuildingautomaonin

theHVAC/Rindustry.Withthe built-incontroller oftheDPT-Ctrl-MOD it

ispossibletocontroltheconstantpressureorowoffans,VAVsystemsor

dampers.Whencontrollingairow,itispossibletoselectafanmanufacturer

oracommonmeasuringprobethathasaK-value.

TheDPT-Ctrl-MODincludes anInputterminalthat enables the reading of

mulple signals such as temperature or control relays over Modbus. The

Input terminal has one input channel designed to accept 0−10 V, ntc10k,

Pt1000,Ni1000/(-LG),andBININ(potenalfreecontact)signals.

DPT-Ctrl-MODseriesdevicesarecommonlyusedinHVAC/R

systems for:

•Controllingdierenalpressureorairowinairhandlingsystems

•VAVapplicaons

•Controllingparkinggarageexhaustfans

SPECIFICATIONS

Performance

Accuracy (from applied pressure):

Pressure<125Pa=1%+±2Pa

Pressure>125Pa=1%+±1Pa

(Accuracyspecicaonsinclude:generalaccuracy,

linearity,hysteresis,longterm

stability,andrepeonerror)

Thermal eects:

Temperaturecompensated0...50°C

Overpressure:

Proofpressure:25kPa

Burstpressure:30kPa

Zero point calibraon:

ManualpushbuonorModbus

Response me:

1.0−20s,selectableviamenuorModbus

Communicaon

Protocol:MODBUSoverSerialLine

TransmissionMode:RTU

Interface:RS485

Byteformat(11bits)inRTUmode:

 Codingsystem:8-bitbinary

 Bitsperbyte:

  1startbit

  8databits,leastsignicantbitsent

  rst

  1bitforparity

  1stopbit

Baudrate:selectableinconguraon

Modbusaddress:1–247addressesselectablein

conguraonmenu

Technical Specicaons

Media compability:

Dryairornon-aggressivegases

Controller parameter (selectable via menu and

Modbus):

Setpoint0...2500

P-band0...10000

I-me0...1000

D-factor0...1000

Pressure units (selectable via menu):

Pa,kPa,mbar,inWC,mmWC,psi

Flow units (selectable via menu):

Volume: m3/s, m3/hr,cfm,l/s

Velocity:m/s,/min

Measuring element:

MEMS,noow-through

Environment:

Operangtemperature:-20...50°C

Storagetemperature:-40...70°C

Humidity:0to95%rH,noncondensing

Physical

Dimensions:

Case:102.0x71.5x36.0mm

Weight:

150g,withaccessories290g

Mounng:

2each4.3mmscrewholes,onesloed

Materials:

Case: ABS

Lid:PC

Pressure inlets: Brass

Ductconnectors:ABS

Tubing:PVC

Protecon standard:

IP54

Display

2-linedisplay(12characters/line)

 Line1:Direconofcontroloutput

 Line2:Pressureorairowmeasurement, 

 selectableviamenu

  Ifinputisselected,line2showsalso

  inputinformaon(forexample 

 temperature)

Size:46.0x14.5mm

Electrical connecons:

4+4posionspring-loadedterminals

Wire:0.2–1.5mm2(12–24AWG)

Cable entry:

Strainrelief:M16

Knockout:16mm

Pressure ngs

5.2mmbarbedbrass

+Highpressure

−Lowpressure

Electrical

Voltage:

Circuit:3-wire(VOut,24V,GND)

Input:24VACorVDC,±10%

Output:0–10V

Powerconsumpon:<1.0W

Resistanceminimum:1kΩ

Conformance

MeetsrequirementsforCEmarking:

EMCDirecve2014/30/EU

RoHSDirecve2011/65/EU

WEEEDirecve2012/19/EU

INTRODUCTION WARNING

APPLICATIONS

COMPANY WITH

MANAGEMENT SYSTEM

CERTIFIED BY DNV GL

= ISO 9001 = ISO 14001 =

RoHS 2

2011/65/EU

SCHEMATICS

INSTALLATION

STEP 1: MOUNTING THE DEVICE

1)Mountthedeviceinthedesiredlocaon(seestep1).

2)Openthelidandroutethecablethroughthestrainreliefandconnectthe

wirestotheterminalblock(s)(seestep2).

3)Thedeviceisnowreadyforconguraon.

WARNING!Applypoweronlyaerthedeviceisproperlywired.

1)Selectthemounnglocaon(duct,wall,panel).

2)Usethedeviceasatemplateandmarkthescrewholes.

3)Mountwithappropriatescrews.

Display connecon

24 V

GND

LEDs

Joysck 1

Joysck 2

Joysck 3

Select

Down

Menu buons

Terminal

blocks

Pressure

sensor

Input terminal

conﬁguraon

jumpers

Control out

Input

GND

Figure 1a - Mounng orientaon

YES NO NO

STEP 3: CONFIGURATION

1)Zeropointadjustment.Formoreinformaon,seeStep4.

PRESS. UNIT

SELECT

DOWN

When control unit FLOW is selected.

2.2.0)Selectthefunconingmodeofthecontroller

-SelectManufacturerwhenconnecngDPT-Ctrl-MODtoafanwithpressure

measurementtaps

-SelectCommon probewhenusingDPT-Ctrl-MODwithacommon

measurementprobethatfollowstheformula:

 q=k∙√∆P(i.e.FloXact)

SELECT

ZERO SENSOR

SELECT

DOWN

2)Selectthefunconingmodeofthecontroller:PRESSUREorFLOW.

-SelectPRESSUREwhencontrollingdierenalpressure.

Gotopoint2.1.

-SelectFLOWwhencontrollingairow.

Gotopoint2.2.0.

CONTROL UNIT

PRESSURE

SELECT

DOWN

When control unit PRESSURE is selected.

2.1)Selectpressureunitfordisplayandoutput:Pa,kPa,mbar,inWCor

mmWC.Thengotopoint3.

MANUFACTURER

Common probe

SELECT

DOWN

Common probe Flakt Woods

SELECT

DOWN

STEP 2: WIRING DIAGRAMS

ForCEcompliance,aproperlygroundedshieldingcableisrequired.

1)Unscrewthestrainreliefandroutethecable(s).

2)Connectthewiresasshowningure2aand2b.

3)Tightenthestrainrelief.

Figure 2a - Wiring diagram

24 V

GND

+Power Supply

24VDC / 24VAC

Control out

Input

GND

Modbus

Figure 2b - Wiring diagram example for input signals

Input

GND

ntc10k J1

Input ntc10k temperature:

Funcon 04 - Read input register 3x0007

2.2.1)If

Commonprobe

selected:selectmeasurementunitsusedinthe

formula(akaFormulaunit)(i.e.l/s)

b. If

Commonprobe

selectedinstep1:

Each common probe hasa specicK-value. Selectthe K-valuefromcommon

probemanufacturer’sspecicaons.

AvailableK-valuerange:0.001...9999.000

FORMULA UNIT

l/s

SELECT

DOWN

2.2.2)SelectK-value

a.Ifmanufacturerselectedinstep1:

Each fan has aspecic K-value.Select the K-value from fanmanufacturer’s

specicaons.

K-VALUE

9000.000

SELECT

DOWN

2.2.3)Selectowunitfordisplayandoutput:

Flowvolume:m3/s, m3/h,cfm,l/s

Velocity:m/s,f/min

FLOW UNIT

m3/s

SELECT

DOWN

6)Selecttheresponseme:1...20s.

RESPONSETIME

20 s

SELECT

DOWN

3)SelecttheaddressforModbus:1...247

BAUD RATE

9600

SELECT

DOWN

ADDRESS

SELECT

DOWN

PARITY BIT

NONE

SELECT

DOWN

4)Selectthebaudrate:9600/19200/38400.

5)Selecttheparitybit:None/Even/Odd

7)Selecttheinputtype.

Passivetemperaturesensors:PT1000,NTC10k,Ni1000LG,Ni1000

Voltageinput0–10V:Vinput

Noinput:None

INPUT

PT1000

SELECT

DOWN

8)Selectthesetpointofthecontroller.

REF FLOW

0.025 m3/s

SELECT

DOWN

REF PRESSURE

100 Pa

CONFIGURATION CONTINUED

NOTE! Always zero the device before use.

Supplyvoltagemustbeconnectedonehourbeforethezeropointadjust-

mentiscarriedout.AccessviaModbusorbypushbuon.

1)Loosebothtubesfromthepressureinlets+and-.

2)Acvatethedevicemenubypushingthetheselectbuonfor2

seconds.

3)SelectZero sensorbypressingtheselectbuon.

4)WaitunltheLEDturnsoandtheninstalltubesagainforthe

pressureinlets.

STEP 4: ZERO POINT ADJUSTMENT

SELECT

STEP 5: INPUT SIGNAL CONFIGURATION

InputsignalscanbereadoverModbusviaDPT-MODRS485interface.

Signals Accuracy for measurement Resoluon

0...10V <0,5% 0,1%

NTC10k <0,5% 0,1%

Pt1000 <0,5% 0,1%

Ni1000/(-LG) <0,5% 0,1%

BININ(potenalfreecontact)

Thejumpersshouldbe set accordingtothe instruconsbelowandthe value

shouldbereadfromtherightregister.

Figure 3 - Input signal conguraon

NTC10k / BIN IN

Pt1000 / Ni10007(-LG)

0...10 V

D-VALUE

1.00

SELECT

DOWN

12)Pushtheselectbuontoexitmenu.

SELECT

EXIT MENU SELECT

9)Selectproporonalbandaccordingtoyourapplicaon

specicaons.

P-VALUE

206

SELECT

DOWN

10)Selectintegraonmeaccordingtoyourapplicaon

specicaons.

I-VALUE

4.00

SELECT

DOWN

11)Selectderivaonmeaccordingtoyourapplicaon

specicaons.

STEP 6: TEMPERATURE COMPENSATION

Thedeviceincludesanoutdoortemperaturecompensaonfunconthatcan

beenabledfromthemenu.Whenacvatedandanoutdoortemperaturesensor

isaached,theeecvesetpointofthedevicewillbemodiedtocompensate

forthecoldoutdoorair.Thismayresultinenergysavings.

If temperaturecompensaonis enabled, thedevicewill linearly decrease the

user’s setpoint (REF FLOW/REF PRESSURE) by 0 % to TC DROP % from TC

START TE to TC STOP TE.

Thedeviceenforcesa+5 °Cdierence betweenthe startand stoptempera-

tures.Thestarttemperaturemustbehigherthanthestoptemperature.

1)Connectandcongureanoutdoorairtemperaturesensor.Seestep5.

2)Enabletemperaturecompensaon.

4)Setthestoppingtemperatureforcompensaon.

TC STOP TE

-15 °C

SELECT

DOWN

TEMP COMP

SELECT

DOWN

TC START TE

5 °C

SELECT

DOWN

3)Setthestarngtemperatureforcompensaon.

5)Setthemaximumdroppercentageforcompensaon.

TC DROP %

25.0

SELECT

DOWN

Thesellerisobligatedtoprovideawarrantyofveyearsforthedeliveredgoods

regarding material and manufacturing. The warranty period is considered to

startonthedeliverydateoftheproduct.Ifadefectinrawmaterialsorapro-

ducon aw isfound, theseller isobligated,when theproduct issent tothe

sellerwithoutdelayorbeforeexpiraonofthewarranty,toamendthemistake

athis/herdiscreoneitherbyrepairingthedefecveproductorbydelivering

freeofchargetothebuyeranewawlessproductandsendingittothebuyer.

Deliverycostsfortherepairunderwarrantywillbepaidbythebuyerandthe

returncostsbytheseller.Thewarrantydoesnotcomprisedamagescausedby

accident,lightning,oodorothernaturalphenomenon,normalwearandtear,

improperorcarelesshandling,abnormaluse,overloading,improperstorage,in-

correctcareorreconstrucon,orchangesandinstallaonworknotdonebythe

seller.Theseleconofmaterialsfordevicespronetocorrosionisthebuyer’s

responsibility,unlessotherwiseislegallyagreedupon.Shouldthemanufacturer

alterthestructureofthedevice,thesellerisnotobligatedtomakecomparable

changestodevicesalreadypurchased.Appealingforwarrantyrequiresthatthe

buyerhascorrectlyfullledhis/herduesarisenfromthedeliveryandstated

inthe contract.Thesellerwillgivea new warranty for goodsthat havebeen

replacedorrepairedwithinthewarranty,howeveronlytotheexpiraonofthe

originalproduct’swarrantyme.Thewarrantyincludestherepairofadefec-

ve partordevice, orifneeded, anew partordevice, but not installaon or

exchangecosts.Undernocircumstanceisthesellerliablefordamagescompen-

saonforindirectdamage.

4x0001 Manufacturer 16bit 0...7 0...7

4x0002 Formulaunit(Manufacturer=7) 16bit 0...5 0=m3/s,1=m3/h,2=cfm,

3=l/s,4=m/s,5=f/min

4x0003 K-factorintegral 16bit 0...9999 0...9999

4x0004 K-factordecimal 16bit 0...999 0...999

4x0005 Responseme 16bit 0...20 0...20s

4x0006 PIDcontrolunit 16bit 0...1 0...1

4x0007 PIDpressureref 16bit 0...2500 0...2500

4x0008 PIDowrefinteger 16bit 0...30000 0...30000

4x0009 PIDowrefdecimal 16bit 0...999 0...999

4x0010 PIDpvalue 16bit 0...10000 0...10000

4x0011 PIDiinteger 16bit 0...1000 0...1000

4x0012 PIDidecimal 16bit 0...99 0...99

4x0013 PIDdinteger 16bit 0...1000 0...1000

4x0014 PIDddecimal 16bit 0...99 0...99

4x0015 Overdrivevalue 16bit 0...100 0...100%

4x0016 Overdriveacve 16bit 0...1 0...1

4x0017 Temperaturecompensaon 16bit 0…1 0=o,1=on

4x0018 Temp.comp.startTE 16bit -45…50 -45…50°C

4x0019 Temp.comp.stopTE 16bit -50…45 -50…45°C

4x0020 Temp.comp.dropintegerpart 16bit 0…99 0…99%

4x0021 Temp.comp.dropdecimalpart 16bit 0…999 0.0…0.999%

Funconcode03-Readinputholdingregister

Funconcode05-Writesinglecoil

0x0001 Zeroingfuncon Bit0 0...1 On-O

Thepartsleoverfrominstallaonshouldberecycled

accordingtoyourlocalinstrucons.Decommissioned

devicesshouldbetakentoarecyclingsitethatspecial-

izesinelectronicwaste.

STEP 8: MODBUS REGISTERS

RECYCLING/DISPOSAL

WARRANTY POLICY

Funconcode02-Readinputstatus

1x0001 Input:BININ Bit0 0...1 On-O

MODBUS REGISTERS CONTINUED

STEP 7: Fixed output

Fixedoutputsengscanbeenabledtosetthecontroloutputtoapresetvalue.

Primarypurposeofthisfunconalityistoenabletheadjustmentofairvalves

andterminalswithouttheDPT-Ctrlaecngtheductpressureorairow.Itcan

alsoaidintroubleshoongtheinstallaon.

1)Toenablethexedoutput,scrolltoitsposioninthemenu.

2)Presstheselectbuonandselectthedesiredxedoutputvalue.The

outputwillnowstayatthisvalueindenitely.Innormaloperaonmode

(shownbelow),theupperrowofthedisplaywillshowFIXEDxx%to

indicatetheoutputisxed.

FIXED OUTPUT

OFF

SELECT

DOWN

FIXED 50 %

184 Pa

3)Toenablethenormalcontroloutputanddisablethexedoutput,scrollto

itsposion,selectitandsetvaluetoOFF.

FixedoutputfunconisalsoavailableviaModbus.(4x0016:Overdriveacve,

4x0015:Overdrivevalue)

Funconcode04-Readinputregister

3x0001 Programversion 16bit 0...1000 100...9900

3x0002 PressurereadingA 16bit -250...2500 -250...2500Pa

3x0003 Input0...10V 16bit 0...100 0...100%

3x0004 InputPT1000 16bit -500...500 -50...+50°C

3x0005 InputNi1000 16bit -500...500 -50...+50°C

3x0006 InputNi1000-LG 16bit -500...500 -50...+50°C

3x0007 InputNTC10k 16bit -500...500 -50...+50°C

3x0008 Flowm3/s 16bit 0...10000 0...100m3/s

3x0009 Flowm3/h 16bit 0...30000 0...30000m3/h

3x0010 Flowcfm 16bit 0...30000 0...30000cfm

3x0011 Flowl/s 16bit 0...3000 0...3000l/s

3x0012 Velocitym/s 16bit 0...1000 0...100m/s

3x0013 Velocityf/min 16bit 0...5000 0...5000f/min

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