Vega VEGADIF 65 Manuale utente
Operating Instructions
Differential pressure transmitter with
metallic measuring diaphragm
VEGADIF 65
4 … 20 mA
Document ID: 36236
Tel:
+44
(0)191 490 1547
Fax: +44 (0)191 477 5371
Email: northernsales@thorneandderrick.co.uk
Website: www.heattracing.co.uk
www.thorneanderrick.co.uk
2
Contents
VEGADIF 65 • 4 … 20 mA
36236-EN-130417
Contents
1 About this document
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbolism 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 Safety instructions for oxygen applications....................................................................... 6
2.9 Environmental instructions ............................................................................................... 6
3 Product description
3.1 Conguration.................................................................................................................... 7
3.2 Principle of operation........................................................................................................ 8
3.3 Operation ....................................................................................................................... 12
3.4 Packaging, transport and storage................................................................................... 12
3.5 Accessories and replacement parts ............................................................................... 13
4 Mounting
4.1 General instructions to use the instrument ..................................................................... 15
4.2 Instructions for oxygen applications ............................................................................... 16
4.3 Mountingandconnectioninstructions............................................................................ 16
4.4 Measurementsetupow ................................................................................................ 20
4.5 Measurementsetuplevel ............................................................................................... 23
4.6 Measurementsetupdensityandinterface...................................................................... 27
4.7 Measurementsetupdierentialpressure ....................................................................... 29
4.8 Mountingexternalhousing ............................................................................................. 31
4.9 Installation control .......................................................................................................... 32
5 Connecting to power supply
5.1 Preparing the connection ............................................................................................... 33
5.2 Connection procedure.................................................................................................... 34
5.3 Single chamber housing................................................................................................. 35
5.4 Version IP 66/IP 68, 1 bar............................................................................................... 36
5.5 ExternalhousingwithversionIP68................................................................................ 36
5.6 Switch-onphase............................................................................................................. 37
6 Adjustment with the display and adjustment module PLICSCOM
6.1 Short description ............................................................................................................ 39
6.2 Insert display and adjustment module............................................................................ 39
6.3 Adjustment system......................................................................................................... 40
6.4 Set parameters............................................................................................................... 41
6.5 Menuschematic............................................................................................................. 50
6.12 Saving the parameter adjustment data........................................................................... 53
7 Setup
7.1 Select the mode ............................................................................................................. 54
3
Contents
VEGADIF 65 • 4 … 20 mA
36236-EN-130417
7.2 Flowmeasurement......................................................................................................... 54
7.3 Level measurement........................................................................................................ 56
7.4 Density and interface measurement............................................................................... 60
7.5 Dierentialpressuremeasurement ................................................................................ 60
8 Maintenanceandfaultrectication
8.1 Maintenance .................................................................................................................. 63
8.2 Rectifyfaults................................................................................................................... 63
8.3 Exchanging the electronics module................................................................................ 64
8.4 Softwareupdate ............................................................................................................. 64
8.5 Instrument repair ............................................................................................................ 65
9 Dismounting
9.1 Dismounting steps.......................................................................................................... 67
9.2 Disposal ......................................................................................................................... 67
10 Supplement
10.1 Technical data ................................................................................................................ 68
10.2 Dimensions .................................................................................................................... 79
Safety instructions for Ex areas
PleasenotetheEx-specicsafetyinformationforinstallationandop-
eration in Ex areas.These safety instructions are part of the operating
instructionsmanualandcomewiththeEx-approvedinstruments.
Editing status: 2013-04-10
4
1 About this document
VEGADIF 65 • 4 … 20 mA
36236-EN-130417
1 About this document
1.1 Function
This operating instructions manual provides all the information you
needformounting,connectionandsetupaswellasimportantinstruc-
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 Symbolism used
Information, tip, note
This symbol indicates helpful additional information.
Caution:Ifthiswarningisignored,faultsormalfunctionscanresult.
Warning:Ifthiswarningisignored,injurytopersonsand/orserious
damage to the instrument can result.
Danger:Ifthiswarningisignored,seriousinjurytopersonsand/or
destruction of the instrument can result.
Ex applications
This symbol indicates special instructions for Ex applications.
• List
Thedotsetinfrontindicatesalistwithnoimpliedsequence.
→ Action
Thisarrowindicatesasingleaction.
1 Sequence
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
VEGADIF 65 • 4 … 20 mA
36236-EN-130417
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.
Duringworkonandwiththedevicetherequiredpersonalprotective
equipmentmustalwaysbeworn.
2.2 Appropriate use
VEGADIF65isadierentialpressuretransmitterformeasurementof
ow,level,dierentialpressure,densityandinterface.
Youcannddetailedinformationontheapplicationrangeinchapter
"Product description".
Operational reliability is ensured only if the instrument is properly
usedaccordingtothespecicationsintheoperatinginstructions
manualaswellaspossiblesupplementaryinstructions.
Forsafetyandwarrantyreasons,anyinvasiveworkonthedevice
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
Thisisahigh-techinstrumentrequiringthestrictobservanceofstand-
ard regulations and guidelines.The user must take note of the safety
instructionsinthisoperatinginstructionsmanual,thecountry-specic
installationstandardsaswellasallprevailingsafetyregulationsand
accident prevention rules.
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
complianceofthenecessaryoccupationalsafetymeasureswiththe
currentvalidrulesandregulationsandalsotakenoteofnewregula-
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
VEGADIF 65 • 4 … 20 mA
36236-EN-130417
2.6 CE conformity
ThedevicefulllsthelegalrequirementsoftheapplicableECguide-
lines.ByaxingtheCEmarking,weconrmsuccessfultestingofthe
product.
YoucanndtheCECerticateofConformityinthedownloadsection
of our homepage.
2.7 FulllmentofNAMURrecommendations
NAMURistheautomationtechnologyuserassociationintheprocess
industryinGermany.ThepublishedNAMURrecommendationsare
acceptedasthestandardineldinstrumentation.
ThedevicefulllstherequirementsofthefollowingNAMURrecom-
mendations:
• NE21–Electromagneticcompatibilityofequipment
• NE 43 – Signal level for malfunction information from measuring
transducers
• NE53–Compatibilityofelddevicesanddisplay/adjustment
components
For further information see www.namur.de.
2.8 Safety instructions for oxygen applications
For instruments in oxygen applications the special instructions in
chapters "Storage and transport", "Mounting"aswellas"Technical
data" under "Process conditions"must be noted. Furthermore the valid
national regulations, implementation instructions and memorandums
of the professional assocations must be noted.
2.9 Environmental instructions
Protection of the environment is one of our most important duties.
Thatiswhywehaveintroducedanenvironmentmanagementsystem
withthegoalofcontinuouslyimprovingcompanyenvironmentalpro-
tection.Theenvironmentmanagementsystemiscertiedaccording
to DIN EN ISO 14001.
Pleasehelpusfulllthisobligationbyobservingtheenvironmental
instructions in this manual:
• Chapter "Packaging, transport and storage"
• Chapter "Disposal"
7
3 Product description
VEGADIF 65 • 4 … 20 mA
36236-EN-130417
3 Product description
3.1 Conguration
The scope of delivery encompasses:
• VEGADIF65dierentialpressuretransmitter
• Dependingontheversion,ventilationvalvesand/orscrewplugs
(details see chapter "Dimensions")
• Optional accessory
• Documentation
– this operating instructions manual
– Operating instructions manual "Display and adjustment mod-
ule" (optional)
– Supplementary instructions manual "Heating for display and
adjustment module" (optional)
– Operating instructions "Chemical seal CSB" (optional)
– Operating instructions "Chemical seal CSS" (optional)
– Supplementary instructions manual "Plug connector for con-
tinuously measuring sensors" (optional)
– Ex-specic"Safety instructions"(withExversions)
– Certicate"For oxygen application"(withrespectiveversions)
– ifnecessary,furthercerticates
ThefollowingillustrationshowsthecomponentsofVEGADIF65:
+ –
1
2
3
Fig. 1: VEGADIF 65 in basic version
1 Housing cover, optionally with integrated display and adjustment module
2 Housing with electronics
3 Process component with measuring cell
Thecomponentsareavailableindierentversions.
Thenameplatecontainsthemostimportantdataforidenticationand
use of the instrument:
Scope of delivery
Constituent parts
8
3 Product description
VEGADIF 65 • 4 … 20 mA
36236-EN-130417
2
1
12
11
5
3
6
4
7
8
9
10
Fig. 2: Layout of the type label (example)
1 Instrument version
2 Product code
3 Approvals
4 Electronics
5 Protection rating
6 Measuring range
7 Process temperature, process pressure
8 Material, wetted parts
9 Hardware and software version
10 Order number
11 Serial number of the instrument
12 ID numbers, instrument documentation
With the serial number, you can access the delivery data of the instru-
ment via www.vega.com, "VEGA Tools" and "serial number search".
Inadditiontothetypelabeloutside,youcanalsondtheserialnum-
ber on the inside of the instrument.
3.2 Principle of operation
VEGADIF65isadierentialpressuretransmitterformeasurement
ofow,level,dierentialpressure,densityandinterface.Measured
productsaregases,vapoursandliquids.
Application area
9
3 Product description
VEGADIF 65 • 4 … 20 mA
36236-EN-130417
Flow measurement
QQ
p1p1
p2p2
Q~ ∆p Q~ ∆p
++ ––
1 2
Fig. 3: Flow measurement with VEGADIF 65 and DP ow element, Q = ow, Δp
= dierential pressure, Δp = p1- p2
1 Orice
2 Pitot tube
Level measurement
123
h= ∆p
ρg
+
+
––
h
+ –
Fig. 4: Level measurement with VEGADIF 65. Δp = dierential pressure, ρ =
density of the medium, g = acceleration of gravity
1 Basic version with eective pressure lines
2 Version with ange chemical seal
3 Version with capillaries and cell chemical seals
10
3 Product description
VEGADIF 65 • 4 … 20 mA
36236-EN-130417
Dierentialpressuremeasurement
+
2
1
Fig. 5: Dierential pressure measurement with VEGADIF 65
1 Filter
2 VEGADIF 65
Density measurement
=∆p
hg
+
–
h
1
Fig. 6: Density measurement with VEGADIF 65, h = dened mounting distance,
Δp = dierential pressure, ρ = density of the medium, g = acceleration of gravity
1 VEGADIF 65
Interface measurement
1
+
–
h
2
3
Fig. 7: Interface measurement with VEGADIF 65
1 VEGADIF 65
2 Liquid with higher density
3 Liquid with lower density
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