HK Instruments DPT-PRIIMA-MOD Series User manual

Copyright HK Instruments 2022 www.hkinstruments. Installaonversion1.02022
INSTALLATION
INSTRUCTIONS
DIFFERENTIAL PRESSURE TRANSMITTERS
DPT-Priima-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-Priima-MOD series
transmier.DPT-Priima-MODisamulfunconalhighaccuracytrans-
mierformeasuringvolumeow,velocity,andstacanddierenal
pressure.Itisdesignedforcleanroomsandotherdemandingapplica-
ons.Themeasurementscanbereadandtheconguraondonevia
Modbuscommunicaon.DPT-Priima-MODcanalsobeusedwithsev-
eraldierentmeasurementprobessuchasFloXact™orpitottube,and
airdampers.
DPT-Priima-MODmodelscomewithalocaldisplayandanautomac
zeropointcalibraon.Calibraoncercateavailableasanopon.
DPT-Priima-MODiscommonlyusedinapplicaonsrequiringhigh
measurementaccuracy:
•monitoringpressureincleanrooms
•monitoringpressuredierenceacrossthebuildingenvelope
•monitoringpressureandow
SPECIFICATIONS
Performance
Measurement ranges:
±120 Pa*, ±240 Pa, ±620 Pa, ±1240 Pa, ±2490 Pa
(selectableviamenuormodbus)
*defaultrange
Accuracy (at applied pressure):
0.4 % ±0.4 Pa
(Including:generalaccuracy,linearity,hysteresis,long
termstability,andrepeonerror)
Overpressure:
Proofpressure:10kPa
Burstpressure:30kPa
Zero point calibraon:
Automacautozero,manualpushbuonorviaModbus
register
Response me:
0.4−20s,selectableviamenuorviaModbusregister
(63%ofthechange)
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
Pressure units (select via menu):
Pa,kPa,mbar,inWC,mmWC,psi
Flow units (select via menu):
Volume:m3/s,m3/h,cfm,l/s
Velocity:m/s,/min
Measuring element:
MEMS,noow-through
Environment:
Operangtemperature:-5...50°C
Temperaturecompensatedrange0...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
Mounng:
2each4.3mmscrewholes,onesloed
Materials:
Case:ABS
Lid:PC
Pressurengs:Brass
Tubing:Silicone
Protecon standard:
IP54
Display
2-linedisplay(12characters/line)
 Line1:Volumeorvelocitymeasurement
 Line2:Pressuremeasurement
Size:46.0x14.5mm
Electrical connecons:
4-screwterminalblock
Wire:0.2–1.5mm2(16–24AWG)
Cable entry:
Strainrelief:M16
Knockout:16mm
Pressure ngs
Maleø5.2mm
+Highpressure
-Lowpressure
Electrical
Supply voltage:
24 VAC or VDC ± 10 %
Power consumpon:
<1W
<2.2WduringAZ-calibraon
Output signal:
viaModbus
Conformance
Meetsrequirementsfor:
  CE:  UKCA:
EMC:  2014/30/EU S.I.2016/1091
RoHS:  2011/65/EU S.I.2012/3032
WEEE:  2012/19/EU S.I.2013/3113
APPLICATIONS
INTRODUCTION WARNING
RoHS
COMPLIANT

Copyright HK Instruments 2022 www.hkinstruments. Installaonversion1.02022
DPT
SCHEMATICS
DIMENSIONAL DRAWINGS
Figure 1a - Surface mounng
MOUNTING THE DEVICE CONTINUED
Figure 1b - Mounng orientaon
Figure 1c - Applicaon connecons
Conneconfordisplay
Terminalblock
Menubuons
ZERO
A
24V
GND
SELECT
UP
DOWN
B
A
BPressuresensor
Led
DPT
4.3
Thepressuretubesareconnectedtoaowmeasurementprobe(i.e.FloXact),ortothe
measurementportsspeciedbythefanmanufacturer.PleaseseetheFloXactinstallaon
guideorthefanmanufacturer’stechnicalspecicaonsformoreinformaon.
YES NO NO
INSTALLATION
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.
STEP 2: WIRING DIAGRAMS
ForCEcompliance,aproperlygroundedshieldingcableisrequired.
1)Unscrewthestrainreliefandroutethecable.
2)Connectthewiresasshowningure2.
3)Tightenthestrainrelief.
ItisrecommendedtouseshieldedtwistedpaircableforModbuscabling.
Thecableshieldmustbeearthedonlyinonepoint,normally,attheendof
themaincable.
Figure 2 - Wiring diagram
B
A
24 V
GND
+ Power supply
24 VDC / 24 VAC
Modbus
STEP 1: MOUNTING THE DEVICE
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.
Pressure
Flow
Static pressure Filter/Damper
monitoring
Fan/Blower
monitoring
Not
connected

Copyright HK Instruments 2022 www.hkinstruments. Installaonversion1.02022
CONFIGURATION CONTINUED
STEP 3: CONFIGURATION
3)If Commonprobe selected:selectmeasurementunitsusedinthe
formula(akaFormulaunit)(i.e.l/s)
NOTE:Theowunit
none isselectedbydefaultandthedisplay
showsonlythepressurereading.
1)AcvatethedeviceMenubypushingtheselectbuon
 for2seconds
2)Selectthefunconingmodeoftheowmeter:
-Select
Manufacturer whenconnecngDPT-Priima-MODtoa
fanwithpressuremeasurementpoints
-Select
Commonprobe whenusingDPT-Priima-MODwitha
commonmeasurementprobethatfollowstheformula:
 q=k∙√∆P (i.e.FloXact)
MANUFACTURER
Common probe
SELECT
UP
DOWN
Common probe Flakt Woods
SELECT
UP
DOWN
FORMULA UNIT
l/s
SELECT
UP
DOWN
4)SelectK-value
a.Ifmanufacturerselectedinstep2:
EachfanhasaspecicK-value.SelecttheK-valuefromfanmanufac-
turer’sspecicaons.
Manufacturer: K-value:
Fläktwoods k=0.3...99
Rosenberg k=37...800
Nicotra-Gebhardt k=50...4700
Comefri  k=10...2000
Ziehl  k=10...1500
ebm-papst k=10...1500
Gebhardt k=50...4700
Nicotra  k=50...5300
8)Responseme:Selectresponsemebetween0.4–20s.
RESPONSE TIME
20 s
SELECT
UP
DOWN
12)Pushselectbuontosavechangesandtoexitmenu.
SELECT
EXIT MENU
SELECT
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.
K-VALUE
9000.000
SELECT
UP
DOWN
9)SelecttheaddressforModbus:1...247.
10)Selectthebaudrate:9600/19200/38400.
ADDRESS
99
SELECT
UP
DOWN
BAUD RATE
9600
SELECT
UP
DOWN
11)Selecttheparitybit:None/Even/Odd.
PARITY BIT
NONE
SELECT
UP
DOWN
STEP 4: ZEROING THE DEVICE
NOTE! Always zero the device before use.
Tozerothedevicethreeoponsareavailable:
1)Autozerocalibraon(manualzeroingnotrequired)
2)ManualPushbuonzeropointcalibraon
3)ViaModbusregister
1)Autozerocalibraon
Autozerocalibraon(-AZ)isanautozerofunconintheformofan
automaczeroingcircuitbuiltintothePCBboard.Theautozerocali-
braonelectronicallyadjuststhetransmierzeroatpredetermined
meinter vals(every10minutes).Thefunconeliminatesalloutput
signaldriduetothermal,electronicormechanicaleects,aswellas
theneedfortechnicianstoremovehighandlowpressuretubeswhen
performinginialorperiodictransmierzeropointcalibraon.The
autozeroadjustmenttakes4secondsaerwhichthedevicereturnsto
itsnormalmeasuringmode.Duringthe4secondadjustmentperiod,
theoutputanddisplayvalueswillfreezetothelatestmeasuredvalue.
Transmiersequippedwiththeautozerocalibraonarevirtuallymain-
tenancefreeandmanualzeroingisnotrequired.
5)Selectpressureunitfordisplay:Pa,kPa,mbar,inWC,mmWC,psior
none.
PRESS.UNIT
Pa
SELECT
UP
DOWN
7)Selectowunitfordisplay:
Flowvolume:m3/s,m3/h,cfm,l/s,none(default)
Velocity:m/s,f/min,none
FLOW UNIT
m3/s
SELECT
UP
DOWN
6)Selectdesiredpressurerange:
±120 Pa, ±240 Pa, ±620 Pa, ±1240 Pa, ±2490 Pa
PRESS. RANGE
±120 Pa
SELECT
UP
DOWN

Copyright HK Instruments 2022 www.hkinstruments. Installaonversion1.02022
Thesellerisobligatedtoprovideawarrantyofveyearsforthedeliv-
ered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produc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,nor-
malwearandtear,improperorcarelesshandling,abnormaluse,over-
loading,improperstorage,incorrectcareorreconstrucon,orchanges
andinstallaonworknotdonebytheseller.Theseleconofmateri-
als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de-
liveryandstatedinthecontract.Thesellerwillgiveanewwarrantyfor
goodsthathavebeenreplacedorrepairedwithinthewarranty,how-
ever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compensaonforindirect
damage.
2)ManualPushbuonzeropointcalibraon
NOTE:Supplyvoltagemustbeconnectedatleastonehourpriorto
zeropointadjustment.
a)Disconnectbothpressuretubesfromthepressureportslabeled+
and–.
b)PushdownthezerobuonunltheLEDlight(red)turnsonand
thedisplayreads“zeroing”(displayopononly).(seegure3)
c)Thezeroingofthedevicewillproceedautomacallyin4seconds.
ZeroingiscompletewhentheLEDturnso,andthedisplayreads
0(displayopononly).
d)ReinstallthepressuretubesensuringthattheHighpressuretube
isconnectedtotheportlabeled+,andtheLowpressuretubeis
connectedtotheportlabeled−.
3)ViaModbusregister
Makesurethereisnopressureintheductwhenthezeroingisdone
viaModbusregister.
b)Pushdownthezerobuon(joysck)unltheLEDlight(red)
turnsonandthedisplayreads“zeroing”(displayopononly).(see
Figure6)
c)Thezeroingofthedevicewillproceedautomacally.Zeroingis
completewhentheLEDturnso,andthedisplayreads0(display
opononly).
d)Reinstallthepressuretubes,ensuringtheHighpressuretubeis
connectedtotheportlabeled+,andtheLowpressuretubeis
connectedtotheportlabeled−.
Pressdownbuon
LEDturnsON
Displayreads“Zeroing”
LED
Figure 3
ZEROING THE DEVICE CONTINUED
STEP 5: MODBUS REGISTERS
Register Parameter descripon Data Type Value Range
3x0001 Programversion 16 bit 0...9900 0,00...99,00
3x0002 PressurereadingPa 16 bit -24900...24900* ± 2490.0 Pa
3x0003 PressurereadingkPa 16 bit -24900...24900* ±2.4900kPa
3x0004 Pressurereadingmbar 16 bit -24900...24900* ± 24.900 Pa
3x0005 PressurereadingmmWC 16 bit -25400...25400* ±253.91mmWC
3x0006 PressurereadinginWC 16 bit -10000...10000* ±10.000inWC
3x0007 Pressurereadingpsi 16 bit -3610...3610* ±0.3611psi
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
Funconcode04-Readinputregister
MODBUS REGISTERS CONTINUED
Funconcode05-Writesinglecoil
Register Parameter descripon Data Type Value Range
0x0001 Zeropointcalibraon Bit 0 0...1 On-O
WARRANTY POLICY
RECYCLING/DISPOSAL
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specializesinelectronicwaste.
*)Thevalueandrangearedeterminedbytheselectedpressurerange±120Pa,±240Pa,±620Pa,
±1240Pa,±2490Pa.Thevaluesshowninthetablewhenthelargestareaisselected.
Funcon code 03 - Read input holding register, Funcon code 06 -
Writesingleregister,Funconcode16-Writemulpleregisters
Register Parameter descripon Data Type Value Range
4x0001 Manufacturer 16 bit 0...8
0=FläktWoods,1=Rosenberg,
2=Nicotra-Gebhardt,3=Comefri,
4=Ziehl,5=ebm-papst,6=Gebhardt,
7=Nicotra,8=Commonprobe
4x0002 Formulaunit(ifmanufacturer
selecon=commonprobe) 16 bit 0...5 0:m3/s,1:m3/h,2:cfm,3:l/s, 4:m/s,5:f/min
4x0003 K-factorinteger 16 bit 0...9999 0...9999
4x0004 K-factordecimal 16 bit 0...999 0...999
4x0005 Responseme 16 bit 0...20 0=0.4s,1=1s,2=2s...20=20s
4x0006 PressureRange 16 bit 0...4 0=±120Pa,1=±240Pa,2=±620Pa,
3=±1240Pa,4=±2490Pa