Vega VEGAPULS 62 User manual
Operating Instructions
VEGAPULS 62
Foundation Fieldbus
Document ID: 28450
2
Contents
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
Contents
1 About this document
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbols used................................................................................................................... 4
2 For your safety
2.1 Authorised personnel ....................................................................................................... 5
2.2 Appropriate use................................................................................................................ 5
2.3 Warning about incorrect use............................................................................................. 5
2.4 General safety instructions............................................................................................... 5
2.5 Safety label on the instrument .......................................................................................... 5
2.6 CE conformity................................................................................................................... 6
2.7 FulllmentofNAMURrecommendations ......................................................................... 6
2.8 FCC/IC conformity (only for USA/Canada) ....................................................................... 6
2.9 Safety instructions for Ex areas ........................................................................................ 6
2.10 Environmental instructions ............................................................................................... 6
3 Product description
3.1 Conguration.................................................................................................................... 8
3.2 Principle of operation........................................................................................................ 9
3.3 Operation ....................................................................................................................... 10
3.4 Packaging, transport and storage................................................................................... 10
4 Mounting
4.1 General instructions ....................................................................................................... 12
4.2 Mountingpreparations-Hornantenna........................................................................... 14
4.3 Mountingpreparations-Parabolicantenna.................................................................... 14
4.4 Mountinginstructions ..................................................................................................... 15
5 Connecting to power supply
5.1 Preparing the connection ............................................................................................... 24
5.2 Connection procedure.................................................................................................... 25
5.3 Wiring plan, single chamber housing.............................................................................. 26
5.4 Wiring plan, double chamber housing ............................................................................ 27
5.5 Wiring plan, double chamber housing Ex d .................................................................... 29
5.6 Wiring plan - version IP 66/IP 68, 1 bar........................................................................... 31
5.7 Switch-on phase............................................................................................................. 32
6 Set up with the display and adjustment module PLICSCOM
6.1 Short description ............................................................................................................ 33
6.2 Insert display and adjustment module............................................................................ 33
6.3 Adjustment system......................................................................................................... 34
6.4 Setup steps .................................................................................................................... 35
6.5 Menuschematic............................................................................................................. 40
6.10 Saving the parameter adjustment data........................................................................... 42
7 Set up with PACTware and other adjustment programs
7.1 Connect the PC.............................................................................................................. 43
7.2 Parameter adjustment with PACTware............................................................................ 44
7.3 ParameteradjustmentwithAMS™................................................................................. 45
7.4 Saving the parameter adjustment data........................................................................... 45
3
Contents
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
8 Maintenanceandfaultrectication
8.1 Maintenance .................................................................................................................. 46
8.2 Rectifyfaults................................................................................................................... 46
8.3 Exchanging the electronics module................................................................................ 47
8.4 Software update ............................................................................................................. 48
8.5 Howtoproceedifarepairisneeded.............................................................................. 49
9 Dismount
9.1 Dismounting steps.......................................................................................................... 50
9.2 Disposal ......................................................................................................................... 50
10 Supplement
10.1 Technical data ................................................................................................................ 51
10.2 Foundation Fieldbus....................................................................................................... 58
10.3 Dimensions .................................................................................................................... 62
Supplementary documentation
Information:
Supplementary documents appropriate to the ordered version come
withthedelivery.Youcanndthemlistedinchapter"Product descrip-
tion".
Instructions manuals for accessories and replacement parts
Tip:
• 27835-DisplayandadjustmentmodulePLICSCOM
• 32628 - Interface adapter VEGACONNECT
• 43814 - Externe Anzeige VEGADIS 81
• 34296 - Protective cover
• 31088-FlangesaccordingtoDIN-EN-ASME-JIS
• 30176 - Electronics module VEGAPULS series 60
• 31381 - Antenna impedance cone VEGAPULS 62 and 68
Editing status: 2014-12-08
4
1 About this document
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
1 About this document
1.1 Function
This operating instructions manual provides all the information you
need for mounting, connection and setup as well as important instruc-
tionsformaintenanceandfaultrectication.Pleasereadthisinforma-
tion before putting the instrument into operation and keep this manual
accessible in the immediate vicinity of the device.
1.2 Target group
This operating instructions manual is directed to trained specialist
personnel. The contents of this manual should be made available to
these personnel and put into practice by them.
1.3 Symbols used
Information, tip, note
This symbol indicates helpful additional information.
Caution: If this warning is ignored, faults or malfunctions can result.
Warning: If this warning is ignored, injury to persons and/or serious
damage to the instrument can result.
Danger: If this warning is ignored, serious injury to persons and/or
destruction of the instrument can result.
Ex applications
This symbol indicates special instructions for Ex applications.
SIL applications
This symbol indicates instructions for functional safety which must be
taken into account particularly for safety-relevant applications.
• List
The dot set in front indicates a list with no implied sequence.
→ Action
This arrow indicates a single action.
1 Sequence of actions
Numbers set in front indicate successive steps in a procedure.
Battery disposal
This symbol indicates special information about the disposal of bat-
teries and accumulators.
5
2 For your safety
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
2 For your safety
2.1 Authorised personnel
All operations described in this operating instructions manual must
be carried out only by trained specialist personnel authorised by the
plant operator.
During work on and with the device the required personal protective
equipment must always be worn.
2.2 Appropriate use
VEGAPULS 62 is a sensor for continuous level measurement.
Youcannddetailedinformationabouttheareaofapplicationin
chapter"Product description".
Operational reliability is ensured only if the instrument is properly
usedaccordingtothespecicationsintheoperatinginstructions
manual as well as possible supplementary instructions.
For safety and warranty reasons, any invasive work on the device
beyond that described in the operating instructions manual may be
carried out only by personnel authorised by the manufacturer. Arbi-
traryconversionsormodicationsareexplicitlyforbidden.
2.3 Warning about incorrect use
Inappropriate or incorrect use of the instrument can give rise to
application-specichazards,e.g.vesseloverllordamagetosystem
components through incorrect mounting or adjustment.
2.4 General safety instructions
This is a high-tech instrument requiring the strict observance of stand-
ard regulations and guidelines. The user must take note of the safety
instructionsinthisoperatinginstructionsmanual,thecountry-specic
installation standards as well as all prevailing safety regulations and
accident prevention rules.
Depending on the model, the emitting frequencies of all radar sensors
are either in the C or K band range. The low transmitting power lies far
below the internationally permitted limit values. When the instrument
is used correctly, it presents no danger to human health. It may be
operated without restriction outside of closed metallic vessels.
Theinstrumentmustonlybeoperatedinatechnicallyawlessand
reliable condition. The operator is responsible for trouble-free opera-
tion of the instrument.
During the entire duration of use, the user is obliged to determine the
compliance of the necessary occupational safety measures with the
current valid rules and regulations and also take note of new regula-
tions.
2.5 Safety label on the instrument
The safety approval markings and safety tips on the device must be
observed.
6
2 For your safety
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
2.6 CE conformity
ThedevicefulllsthelegalrequirementsoftheapplicableECguide-
lines.ByaxingtheCEmarking,weconrmsuccessfultestingofthe
product.
YoucanndtheCECerticateofConformityinthedownloadsection
of our homepage.
2.7 FulllmentofNAMURrecommendations
NAMURistheautomationtechnologyuserassociationintheprocess
industryinGermany.ThepublishedNAMURrecommendationsare
acceptedasthestandardineldinstrumentation.
ThedevicefulllstherequirementsofthefollowingNAMURrecom-
mendations:
• NE 21 – Electromagnetic compatibility of equipment
• NE 43 – Signal level for malfunction information from measuring
transducers
• NE53–Compatibilityofelddevicesanddisplay/adjustment
components
For further information see www.namur.de.
2.8 FCC/ICconformity(onlyforUSA/Canada)
The instrument with all antenna versions is FCC/IC approved.
Modicationsnotexpresslyapprovedbythemanufacturerwillleadto
expiry of the operating licence according to FCC/IC.
VEGAPULS 62 is in conformity with part 15 of the FCC directives and
fulllstheRSS-210regulations.Notethecorrespondingregulations
for operation:
• The instrument must not cause any interfering emissions
• The device must be insensitive to interfering immissions, including
those that may cause undesirable operating conditions
Accordingtochapter"Dimensions"ofthisoperatinginstructions
manual, the instrument is designed for operation with an antenna with
amax.amplicationof33dB.Theinstrumentmustnotbeoperated
withantennasnotlistedthereinorthosehavinganamplicationof
morethan33dB.Therequiredantennaimpedanceis50Ω.
2.9 Safety instructions for Ex areas
PleasenotetheEx-specicsafetyinformationforinstallationandop-
eration in Ex areas. These safety instructions are part of the operating
instructions manual and come with the Ex-approved instruments.
2.10 Environmental instructions
Protection of the environment is one of our most important duties.
That is why we have introduced an environment management system
with the goal of continuously improving company environmental pro-
tection.Theenvironmentmanagementsystemiscertiedaccording
to DIN EN ISO 14001.
7
2 For your safety
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
Pleasehelpusfulllthisobligationbyobservingtheenvironmental
instructions in this manual:
• Chapter"Packaging, transport and storage"
• Chapter"Disposal"
8
3 Product description
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
3 Product description
3.1 Conguration
The VEGAPULS 62 radar sensor is available in two electronics ver-
sions:
• Standard electronics type PS60KF
• Electronics with increased sensitivity type PS60KL
The respective version can be determined by means of the type label
on the electronics.
TheelectronicsversioninuencestheCEconformity,thefactoryset-
ting for the medium selection and vessel form, the accuracy as well
astheapprovalsofVEGAPULS62.Thedierencesarelistedinthe
respective sections of this operating instructions manual.
The scope of delivery encompasses:
• VEGAPULS 62 radar sensor
• Documentation
– this operating instructions manual
– Operatinginstructionsmanual-27835"Display and adjustment
module PLICSCOM"(optional)
– Supplementaryinstructionsmanual31708"Heating for display
and adjustment module"(optional)
– Supplementaryinstructionsmanual"Plug connector for con-
tinuously measuring sensors"(optional)
– Ex-specic"Safety instructions"(withExversions)
– ifnecessary,furthercerticates
The VEGAPULS 62 consists of the components:
• Hornorparabolicantenna
• processtting(dependingontheversionangeorthread)
• optionallyavailablewithpurgingairconnection,reuxvalve
• Housingwithelectronics,optionallyavailablewithplugconnector,
optionally available with connection cable
• Housingcover,optionallyavailablewithdisplayandadjustment
modulePLICSCOM
Thecomponentsareavailableindierentversions.
Versions
Scope of delivery
Constituent parts
9
3 Product description
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
2
1
3
Fig. 1: VEGAPULS 62 - threaded version with plastic housing
1 Housing cover with integrated PLICSCOM (optional)
2 Housing with electronics
3 Processttingwithhornantenna
This operating instructions manual applies to the following instrument
versions:
• Hardwareversion<2.0.0
• Softwareversion≤3.8
3.2 Principle of operation
VEGAPULS 62 is a radar sensor in K-band (emitting frequency ap-
prox.26GHz)forcontinuouslevelmeasurement.
A suitable version of VEGAPULS 62 is available for each area of ap-
plication:
Theversionwith"thread and horn antenna with ø 40 mm
(1.575in)"isparticularlysuitableforsmalltanksandprocessvessels
for measurement of virtually all products.
Theversionwith"Flange and horn antenna with ø 48 … 95 mm
(1.89…3.74in)"isparticularlysuitableforstoragetanksand
process vessels, for measurement of products such as solvents,
hydrocarbonsandfuelsundermostdicultprocessconditions.
Theversionwith"Parabolic antenna"isparticularlysuitablefor
precisemeasurementofproductswithsmalldielectricgure.
Theelectronicsversion"Increased sensitivity"enablestheuseof
VEGAPULS62alsoinapplicationswithverypoorreectiveproper-
ties or products with low ervalue.
The antenna of the radar sensor emits short radar pulses with a
durationofapprox.1ns.Thesepulsesarereectedbytheproduct
and received by the antenna as echoes. The transit time of the radar
Scope of this operating
instructions manual
Area of application
Functional principle
10
3 Product description
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
pulses from emission to reception is proportional to the distance and
hence to the level. The determined level is converted into an appropri-
ate output signal and outputted as measured value.
PowerissuppliedviatheH1Fieldbus.Atwo-wirecableaccordingto
Fieldbusspecicationservesascarrierofbothpoweranddigitaldata
for multiple sensors. This cable can be operated in two versions:
• viaanH1interfacecardinthecontrolsystemandadditionalpower
supply
• viaaLinkingdevicewithHSE(HighspeedEthernet)andaddi-
tional power supply according to IEC 61158-2
TheDD(DeviceDescriptions)andCFF(capabilityles)necessary
forplanningandcongurationofyourFF(FoundationFieldbus)com-
munication network are available in the download area of the VEGA
homepage www.vega.comunder"Services - Downloads - Software
- Foundation Fieldbus".Theappropriatecerticatesarealsoavailable
there.ACDwiththeappropriatelesandcerticatescanbeordered
via e-mail under info@de.vega.com or by phone from one of the
VEGAagenciesundertheordernumber"DRIVER.S".
The backlight of the display and adjustment module is powered by the
sensor. Prerequisite is a certain level of operating voltage.
Thedataforpowersupplyarespeciedinchapter"Technical data".
Theoptionalheatingrequiresitsownoperatingvoltage.Youcannd
detailedinformationinthesupplementaryinstructionsmanual"Heat-
ing for display and adjustment module".Thisfunctionisgenerallynot
available for approved instruments.
3.3 Operation
The instrument can be adjusted with the following adjustment media:
• With the display and adjustment module
• withthesuitableVEGADTMinconjunctionwithanadjustment
softwareaccordingtotheFDT/DTMstandard,e.g.PACTwareand
PC
• acongurationtool
3.4 Packaging, transport and storage
Your instrument was protected by packaging during transport. Its
capacity to handle normal loads during transport is assured by a test
based on ISO 4180.
The packaging of standard instruments consists of environment-
friendly, recyclable cardboard. For special versions, PE foam or PE
foil is also used. Dispose of the packaging material via specialised
recycling companies.
Transport must be carried out in due consideration of the notes on the
transport packaging. Nonobservance of these instructions can cause
damage to the device.
Power supply and bus
communication
DD/CFF
Packaging
Transport
11
3 Product description
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
The delivery must be checked for completeness and possible transit
damage immediately at receipt. Ascertained transit damage or con-
cealed defects must be appropriately dealt with.
Up to the time of installation, the packages must be left closed and
stored according to the orientation and storage markings on the
outside.
Unless otherwise indicated, the packages must be stored only under
the following conditions:
• Not in the open
• Dry and dust free
• Not exposed to corrosive media
• Protected against solar radiation
• Avoiding mechanical shock and vibration
• Storageandtransporttemperatureseechapter"Supplement -
Technical data - Ambient conditions"
• Relativehumidity20…85%
Transport inspection
Storage
Storage and transport
temperature
12
4Mounting
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
4 Mounting
4.1 General instructions
Select an installation position you can easily reach for mounting and
connectingaswellaslaterretrottingofadisplayandadjustment
module.The housing can be rotated by 330° without the use of any
tools.You can also install the display and adjustment module in four
dierentpositions(eachdisplacedby90°).
Warning:
With threaded versions, the housing must not be used to screw in the
instrument! Applying tightening forces on the housing can damage its
internal parts.
Usetherecommendedcables(seechapter"Connecting to power
supply")andtightenthecablegland.
You can give your instrument additional protection against moisture
penetration by leading the connection cable downward in front of the
cableentry.Rainandcondensationwatercanthusdraino.Thisap-
plies mainly to outdoor mounting as well as installation in areas where
high humidity is expected (e.g. through cleaning processes) or on
cooled or heated vessels.
Fig. 2: Measures against moisture ingress
The reference plane for the measuring range is the lower edge of the
angeorthesealsurfaceofthethread.
Installation position
Screwing in
Moisture
Measuring range
13
4Mounting
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
1 32
100%
0%
4
Fig. 3: Measuring range (operating range), max. measuring distance and refer-
ence plane
1 full
2 empty (max. measuring distance)
3 Measuring range
4 Reference plane
Information:
If the medium reaches the antenna, buildup can form on it and cause
faulty measurements later on.
The emitted radar impulses of VEGAPULS 62 are electromagnetic
waves. The polarisation plane is the direction of the electrical share.
Their position is marked on the instrument.
12
Fig. 4: Position of the polarisation
1 Marking with screwed version
2 Markingwithangeversion
Makesurethatallpartsoftheinstrumentcomingindirectcontact
with the process, especially the sensor element, process seal and
processtting,aresuitablefortheexistingprocessconditions,such
as process pressure, process temperature as well as the chemical
properties of the medium.
Youcanndthespecicationsinchapter"Technical data"andonthe
nameplate.
Polarisation plane
Suitability for the process
conditions
14
4Mounting
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
4.2 Mounting preparations - Horn antenna
Information:
This information applies only to special versions!
VEGAPULS 62 is also available in versions where the antenna has a
biggerdiameterthantheprocesstting(thread,ange).Theantenna
mustthereforebedisconnectedfromtheprocessttingbeforemount-
ing. Proceed as follows:
1. Loosen the hexagon socket screws (3) on the antenna socket
with an Allen wrench (size 3)
2. Removetheantenna(4)
Note:
The plastic cone may not be pulled out of the antenna socket.
3. Insert the antenna from below into the vessel socket and secure it
againstfallingo
4. Retightentheantennawithhexagonscrewstotheantenna
socket; torque max. 10 Nm (7.5 lbf ft)
Note:
The VEGAPULS 62 with rinsing air connection or antenna exten-
sion is provided with a notch on the antenna socket. This notch must
correspondtothemarkingonthehexagonoftheprocesstting(the
markingspeciesthepositionofthepolarisationoftheradarsignal).
4
3
5
1
2
Fig. 5: Dismounting of the horn antenna
1 Marking
2 Notch
3 Hexagon screws on the antenna socket
4 Antenna
4.3 Mounting preparations - Parabolic antenna
Information:
This information applies only to special versions!
15
4Mounting
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
VEGAPULS 62 is also available in versions where the antenna has
adiameterlargerthantheprocesstting(thread,ange).Withsuch
versionstheantennamustbedisconnectedfromtheprocesstting
before mounting. Proceed as follows:
1. ClampVEGAPULS62withtheange,e.g.inabenchvice
2. Holdtheconnectionpiece(3)withawrench(spannersize22)on
theattenings
3. Loosen counter nut (2) with spanner size 36 completely in the
direction antenna
4. Loosen compression nut (1) with a wrench SW 41 completely in
the direction of the antenna
5. Removetheparabolicantenna(4)axially
6. Mountsensorangeontheadapterangeandfastenittightly
7. Check if the O-ring seal is present on the connection piece and
make sure it is not damaged.
Note:
AdamagedO-ringsealmustbereplaced:FKMarticleno.2.28248,
FFKM(Kalrez6375)articleno.2.27351
8. Remounttheparabolicantenna(4)
9. Tighten compression nut (1) with SW 41, torque max. 50 Nm
10. Tighten locknut (2) with SW 36, torque max. 40 Nm.
Note:
Take note for VEGAPULS 62 with rinsing air connection that the holes
intheantennaandintheprocessttingcorrespond.Thisensuresa
sucientairow(theairisledthroughtheholestothefeedsystem.A
rinsing of the parabolic antenna in total is not intended).
1
2
3
4
Fig. 6: Dismounting, parabolic antenna
1 Compression nut
2 Locknut
3 Connection piece
4 Parabolic antenna
4.4 Mounting instructions
The illustrations with the following mounting instructions show a
VEGAPULS 62 with horn antenna. The mounting instructions apply
analogously also to the version with parabolic antenna.
Horn and parabolic
antenna
16
4Mounting
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
When mounting the sensor, keep a distance of at least 200 mm
(7.874 in) to the vessel wall. If the sensor is installed in the center of
dished or round vessel tops, multiple echoes can arise.These can,
however, be suppressed by an appropriate adjustment (see chapter
"Setup").
If you cannot maintain this distance, you should carry out a false
signal storage during setup. This applies particularly if buildup on the
vessel wall is expected. In such cases, we recommend repeating the
false signal storage at a later date with existing buildup.
> 200 mm
(7.87
")
Fig. 7: Mounting on round vessel tops
1 Reference plane
2 Vessel center or symmetry axis
In vessels with conical bottom it can be advantageous to mount the
sensor in the center of the vessel, as measurement is then possible
down to the lowest point of the vessel bottom.
Fig. 8: Vessel with conical bottom
Donotmounttheinstrumentsinorabovethellingstream.Makesure
thatyoudetecttheproductsurface,nottheinowingproduct.
Installation position
Inowingmedium
17
4Mounting
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
Fig.9:Inowingliquid
The socket piece should be dimensioned in such a way that the an-
tenna end protrudes at least 10 mm (0.4 in) out of the socket.
10 mm
(0.39
")
>
Fig. 10: Recommended socket mounting
Ifthereectivepropertiesofthemediumaregood,youcanmount
VEGAPULS 62 on sockets which are higher than the length of the
antenna.Youwillndrecommendedvaluesforsocketheightsinthe
following illustration. The socket end should be smooth and burr-free,
if possible also rounded. After installation you must carry out a false
echo storage.
Socket
18
4Mounting
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
d
hmax.
d
1½"
50 mm/2"
80 mm/3"
100 mm/4"
150 mm/6"
200 mm
250 mm
300 mm
500 mm
800 mm
hmax.
Fig. 11: Deviating socket dimensions
Tip:
VEGAPULS 62 is optionally also available with antenna extension.
The antenna length can thus be selected such that the antenna end
protrudes 10 mm (0.4 in) out of the socket.
In liquids, direct the sensor as perpendicular as possible to the prod-
uct surface to achieve optimum measurement results.
Fig.12:Alignmentinliquids
The mounting location of the radar sensor should be a place where no
otherequipmentorxturescrossthepathofthemicrowavesignals.
Vessel installations such as for example, ladders, limit switches, heat-
ing spirals, struts etc. can cause false echoes that interfere with the
usefulecho.Makesurewhenplanningyourmeasuringsitethatthe
radarsignalshavea"clearview"tothemeasuredproduct.
In case of existing vessel installations, a false echo storage should be
carried out during setup.
If large vessel installations such as struts or supports cause false
echoes, these can be attenuated through supplementary measures.
Small,inclinedsheetmetalbaesabovetheinstallationsscatterthe
radarsignalsandpreventdirectinterferingreections.
Sensor orientation
Vessel installations
19
4Mounting
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
Fig.13:Coverat,large-areaproleswithdeectors
If there are agitators in the vessel, a false signal storage should be
carried out with the agitators in motion. This ensures that the interfer-
ingreectionsfromtheagitatorsaresavedwiththebladesindierent
positions.
Fig. 14: Agitators
Throughtheactionoflling,stirringandotherprocessesinthevessel,
dense foams which considerably damp the emitted signals may form
on the product surface.
If foams lead to measurement errors, you should use the biggest pos-
sible radar antennas and low frequency radar sensors (C-band).
As an alternative, sensors with guided microwave can be used. These
areunaectedbyfoamgenerationandarebestsuitedforsuchap-
plications.
Byusingastandpipe,theinuenceofvesselinstallationsandturbu-
lence can be excluded. Under these prerequisites, the measurement
of products with low dielectric constant (from 1.6) is possible.
Note:
Measurementinastandpipeisnotrecommendedforextremely
adhesive products.
Surge or bypass tubes must extend all the way down to the requested
min. level, as measurement is only possible within the tube.
Agitators
Foam generation
Measurement in the
standpipe (surge or by-
passtube)
20
4Mounting
VEGAPULS 62 • Foundation Fieldbus
28450-EN-141215
Surge pipe
Makesureyouprovidethenecessaryupperventholeinthesurge
pipe.The hole must be aligned so that it and the polarisation marking
onthesensorareinthesameplane(seeillustration:"Pipe antenna
system in a tank").
max.
min.
2
1
Fig. 15: Pipe antenna system in a tank.The vent hole in the surge pipe must be
in one plane with the polarisation marking on the sensor.
1 Marking of the polarisation direction
2 Vent hole max. ø 5 mm (0.2 in)
If possible, the antenna diameter of the sensor should correspond
to the inner diameter of the tube. With VEGAPULS 62 this is approx.
40 mm (1.575 in). The sensor can be used with tube diameters be-
tween40…80mm(1.575…3.15in).
Bypass tube
As an alternative to the surge pipe in the vessel, a tube system out-
side of the vessel is possible as a bypass tube. Select during setup
thefunction"Bypass tube".
Align the sensor in such a way that the polarisation marking on the
processttingisinthesameplaneasthetubeholesorthetubecon-
nection openings (see following illustration).
Other manuals for VEGAPULS 62
15
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