Vega VEGAFLEX 86 User manual

Quick setup guide
TDR sensor for continuous level and
interface measurement of liquids
VEGAFLEX 86
4 … 20 mA/HART - two-wire
Coax probe
With SIL qualication
-196 … +280 °C
-196 … +450 °C
Document ID: 47615

2
Contents
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
Contents
1 For your safety
1.1 Authorised personnel ....................................................................................................... 3
1.2 Appropriate use................................................................................................................ 3
1.3 Warning about incorrect use............................................................................................. 3
1.4 General safety instructions............................................................................................... 3
1.5 CE conformity................................................................................................................... 3
1.6 SILqualicationaccordingtoIEC61508.......................................................................... 4
1.7 NAMUR recommendations .............................................................................................. 4
1.8 Environmental instructions ............................................................................................... 4
2 Product description
2.1 Conguration.................................................................................................................... 5
3 Mounting
3.1 General instructions for use of the instrument .................................................................. 7
3.2 Mounting instructions ....................................................................................................... 7
4 Connecting to power supply
4.1 Connecting....................................................................................................................... 8
4.2 Wiring plan, single chamber housing................................................................................ 9
4.3 Wiring plan, double chamber housing ............................................................................ 10
5 Set up with the display and adjustment module
5.1 Insert display and adjustment module............................................................................ 11
5.2 Parameter adjustment .................................................................................................... 12
6 Supplement
6.1 Technical data ................................................................................................................ 14
Information:
This quick setup guide enables quick setup and commissioning of
your instrument.
Youcanndsupplementaryinformationinthecorresponding,more
detailed Operating Instructions Manual as well as the Safety Manual
thatcomeswithinstrumentswithSILqualication.Thesemanualsare
available on the supplied DVD or in the download area of "www.vega.
com".
Operating instructions VEGAFLEX 86 - 4 … 20 mA/HART - Two-
wire - Coax probe - With SIL qualikation, -196 … +280 °C /
-196 … +450 °C: Document-ID 44231
Editing status of the quick setup guide: 2014-12-11

3
1 For your safety
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
1 For your safety
1.1 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.
1.2 Appropriate use
VEGAFLEX 86 is a sensor for continuous level measurement.
Youcannddetailedinformationabouttheareaofapplicationin
chapter "Product description".
Operational reliability is ensured only if the instrument is properly
usedaccordingtothespecicationsintheoperatinginstructions
manual as well as possible supplementary instructions.
1.3 Warning about incorrect use
Inappropriate or incorrect use of the instrument can give rise to
application-specichazards,e.g.vesseloverllordamagetosystem
components through incorrect mounting or adjustment.
1.4 General safety instructions
This is a state-of-the-art instrument complying with all prevailing
regulations and guidelines. The instrument must only be operated in a
technicallyawlessandreliablecondition.Theoperatorisresponsible
for the trouble-free operation 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.
The safety instructions in this operating instructions manual, the na-
tional installation standards as well as the valid safety regulations and
accident prevention rules must be observed by the user.
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-
traryconversionsormodicationsareexplicitlyforbidden.
The safety approval markings and safety tips on the device must also
be observed.
1.5 CE conformity
ThedevicefulllsthelegalrequirementsoftheapplicableECguide-
lines.ByaxingtheCEmarking,weconrmsuccessfultestingofthe
product.
YoucanndtheCECerticateofConformityinthedownloadsection
of our homepage.

4
1 For your safety
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
Electromagnetic compatibility
Instrumentsinfour-wireorEx-d-iaversionaredesignedforuseinan
industrial environment. Nevertheless, electromagnetic interference
from electrical conductors and radiated emissions must be taken into
account, as is usual with class A instruments according to EN 61326-
1.Iftheinstrumentisusedinadierentenvironment,theelectromag-
netic compatibility to other instruments must be ensured by suitable
measures.
1.6 SIL qualication according to IEC 61508
The Safety Integrity Level (SIL) of an electronic system is used to as-
sess the reliability of integrated safety functions.
Fordetailedspecicationofthesafetyrequirements,multipleSIL
levelsarespeciedaccordingtosafetystandardIEC61508.Youcan
nddetailedinformationinchapter"Functional safety (SIL)"
TheinstrumentmeetsthespecicationsofIEC61508:2010(Edi-
tion2).Itisqualiedforsingle-channeloperationuptoSIL2.The
instrument can be used homogeneously redundant up to SIL3 in
multi-channel architecture with HFT 1.
1.7 NAMUR recommendations
NAMUR is the automation technology user association in the process
industry in Germany.The published NAMUR recommendations are
acceptedasthestandardineldinstrumentation.
ThedevicefulllstherequirementsofthefollowingNAMURrecom-
mendations:
• NE 21 – Electromagnetic compatibility of equipment
• NE 43 – Signal level for malfunction information from measuring
transducers
• NE53–Compatibilityofelddevicesanddisplay/adjustment
components
• NE107–Self-monitoringanddiagnosisofelddevices
For further information see www.namur.de.
1.8 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.Theenvironmentmanagementsystemiscertiedaccording
to DIN EN ISO 14001.
Pleasehelpusfulllthisobligationbyobservingtheenvironmental
instructions in this manual:
• Chapter "Packaging, transport and storage"
• Chapter "Disposal"

5
2 Product description
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
2 Product description
2.1 Conguration
Thetypelabelcontainsthemostimportantdataforidenticationand
use of the instrument:
2
1
13
14
15
16
17
12
11
5
3
6
4
7
8
9
10
Fig. 1: Layout of the type label (example)
1 Instrument type
2 Product code
3 Approvals
4 Power supply and signal output, electronics
5 Protection rating
6 Probe length
7 Process and ambient temperature, process pressure
8 Material, wetted parts
9 Hardware and software version
10 Order number
11 Serial number of the instrument
12 Symbol of the device protection class
13 ID numbers, instrument documentation
14 Reminder to observe the instrument documentation
15 NotiedauthorityforCEmarking
16 Approval directives
17 Marking of the safety function in SIS
The type label contains the serial number of the instrument. With it
youcanndthefollowinginstrumentdataonourhomepage:
• Product code (HTML)
• Delivery date (HTML)
• Order-specicinstrumentfeatures(HTML)
• Operating instructions and quick setup guide at the time of ship-
ment (PDF)
• Order-specicsensordataforanelectronicsexchange(XML)
• Testcerticate(PDF)-optional
Go to www.vega.com, "VEGATools" and "Instrument search". Enter
the serial number.
Alternatively, you can access the data via your smartphone:
Type label
Serial number - Instru-
ment search

6
2 Product description
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
• Download the smartphone app "VEGATools" from the "Apple App
Store" or the "GooglePlayStore"
• ScantheDataMatrixcodeonthetypelabeloftheinstrumentor
• Enter the serial number manually in the app

7
3 Mounting
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
3 Mounting
3.1 General instructions for use of the instrument
Protect your instrument against moisture ingress through the following
measures:
• Use the recommended cable (see chapter "Connectingtopower
supply")
• Tighten the cable gland
• Whenmountinghorizontally,turnthehousingsothatthecable
gland points downward
• Loop the connection cable downward in front of the cable gland
This applies particularly to:
• Outdoor mounting
• Installationsinareaswherehighhumidityisexpected(e.g.through
cleaning processes)
• Installations on cooled or heated vessels
3.2 Mounting instructions
During operation, the probe must not touch any installations or the
vessel wall. If necessary, fasten the probe end.
In vessels with conical bottom it can be advantageous to mount the
sensor in the center of the vessel, as measurement is then possible
nearly down to the lowest point of the bottom. Keep in mind that
measurement all the way down to the tip of the probe may not be pos-
sible.Theexactvalueofthemin.distance(lowerdeadband)isstated
in chapter "Technicaldata".
Fig. 2: Vessel with conical bottom
Protection against mois-
ture
Installation position

8
4 Connecting to power supply
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
4 Connecting to power supply
4.1 Connecting
The voltage supply and signal output are connected via the spring-
loaded terminals in the housing.
Connection to the display and adjustment module or to the interface
adapter is carried out via contact pins in the housing.
Information:
The terminal block is pluggable and can be removed from the
electronics. To do this, lift the terminal block with a small screwdriver
and pull it out. When reinserting the terminal block, you should hear it
snap in.
Proceed as follows:
1. Unscrew the housing cover
2. If a display and adjustment module is installed, remove it by turn-
ing it slightly to the left.
3. Loosen compression nut of the cable entry gland
4. Removeapprox.10cm(4in)ofthecablemantle,stripapprox.
1 cm (0.4 in) of insulation from the ends of the individual wires
5. Insert the cable into the sensor through the cable entry
Fig.3:Connectionsteps5and6-Singlechamberhousing
Connection technology
Connection procedure

9
4 Connecting to power supply
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
Fig.4:Connectionsteps5and6-Doublechamberhousing
6. Insert the wire ends into the terminals according to the wiring plan
Information:
Solidcoresaswellasexiblecoreswithwireendsleevesareinsert-
eddirectlyintotheterminalopenings.Incaseofexiblecoreswithout
end sleeves, press the terminal from above with a small screwdriver,
the terminal opening is then free. When the screwdriver is released,
the terminal closes again.
Youcanndfurtherinformationonthemax.wirecross-sectionunder
"Technicaldata/Electromechanicaldata"
7. Check the hold of the wires in the terminals by lightly pulling on
them
8. Connect the screen to the internal ground terminal, connect the
outer ground terminal to potential equalisation
9. Tighten the compression nut of the cable entry gland. The seal
ring must completely encircle the cable
10. Reinsert the display and adjustment module, if one was installed
11. Screw the housing lid back on
Theelectricalconnectionisnished.
4.2 Wiring plan, single chamber housing
Thefollowingillustrationappliestothenon-Ex,Ex-iaandEx-dver-
sion.

10
4 Connecting to power supply
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
5
12
+
( ) (-)
678
4...20mA
2
3
4
1
Fig.5:Electronicsandterminalcompartment,singlechamberhousing
1 Voltage supply, signal output
2 For display and adjustment module or interface adapter
3 For external display and adjustment unit
4 Groundterminalforconnectionofthecablescreen
4.3 Wiring plan, double chamber housing
Thefollowingillustrationsapplytothenon-ExaswellastotheEx-ia
version.
5
12
+
( ) (-)
678
4...20mADisplay
2
3
4
1
Fig.6:Terminalcompartment,doublechamberhousing
1 Voltage supply, signal output
2 For display and adjustment module or interface adapter
3 For external display and adjustment unit
4 Groundterminalforconnectionofthecablescreen
Information:
Paralleluseofanexternaldisplayandadjustmentunitandadisplay
and adjustment module in the terminal compartment is not supported.
Electronics and terminal
compartment
Terminal compartment

11
5 Set up with the display and adjustment module
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
5 Set up with the display and adjustment
module
5.1 Insert display and adjustment module
The display and adjustment module can be inserted into the sensor
andremovedagainatanytime.Youcanchooseanyoneoffourdier-
ent positions - each displaced by 90°. It is not necessary to interrupt
the power supply.
Proceed as follows:
1. Unscrew the housing cover
2. Place the display and adjustment module on the electronics in the
desired position and turn it to the right until it snaps in.
3. Screw housing cover with inspection window tightly back on
Disassembly is carried out in reverse order.
The display and adjustment module is powered by the sensor, an ad-
ditional connection is not necessary.
Fig. 7: Installing the display and adjustment module in the electronics compart-
ment of the single chamber housing

12
5 Set up with the display and adjustment module
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
1 2
Fig. 8: Installing the display and adjustment module in the double chamber
housing
1 In the electronics compartment
2 In the terminal compartment
Note:
Ifyouintendtoretrottheinstrumentwithadisplayandadjustment
module for continuous measured value indication, a higher cover with
an inspection glass is required.
5.2 Parameter adjustment
1. In this menu item you can select the application.You can choose
between level and interface measurement.
2. In the menu item "Medium-Dielectricconstant"youcandene
the type of medium (medium).
3. Carry out the adjustment in the menu items "Min. adjustment" and
"Max. adjustment".
4. A "Linearization" is recommended for all vessels in which the
vessel volume does not increase linearly with the level - e.g. in a
horizontalcylindricalorsphericaltank.Activatetheappropriate
curve.
5. A "False signal suppression" detects, marks and saves the false
signals so that they are no longer taken into account for level
Set parameters

13
5 Set up with the display and adjustment module
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
measurement.We generally recommend a false signal suppres-
sion.
The sensor measures the distance from the sensor (reference plane)
to the product surface.
4
5
3
1
2
Fig.9:Measuringranges-VEGAFLEX86
1 Reference plane
2 Probe length L
3 Measuring range (default setting refers to the measuring range in water)
4 Upper dead band (in this area no measurement is possible)
5 Lower dead band (in this area no measurement is possible)
For this adjustment, the distance is entered when the vessel is full
and nearly empty. If these values are not known, an adjustment with
otherdistances,forexample,10%and90%isalsopossible.Starting
pointforthesedistancespecicationsisalwaysthesealsurfaceof
thethreadorange.
1. In the menu "Additional settings", menu item "Damping" you can
adjust the requested damping of the output signal.
2. Select the parameter of the current output and the output charac-
teristics in the menu item "Currentoutput".
Parameterization example
Further steps

14
6 Supplement
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102
6 Supplement
6.1 Technical data
Electromechanical data - version IP 66/IP 67 and IP 66/IP 68; 0.2 bar
Cable entry
Ʋ M20x1.5 1xcableglandM20x1.5(cable:ø6…12mm),1x
blindplugM20x1.5
Ʋ½ NPT 1xblindplugNPT,1xclosingcap(red)½NPT
Wire cross-section (spring-loaded terminals)
ƲMassive wire, stranded wire 0.2 … 2.5 mm² (AWG 24 … 14)
ƲStranded wire with end sleeve 0.2 … 1.5 mm² (AWG 24 … 16)
Voltage supply
Operating voltage
Ʋ Non-Exinstrument,Ex-dinstrument 9.6 … 35 V DC
Ʋ Ex-iainstrument 9.6 … 30 V DC
Ʋ Ex-d-iainstrument 15 … 35 V DC
Operating voltage with illuminated display and adjustment module
Ʋ Non-Exinstrument,Ex-dinstrument 16 … 35 V DC
Ʋ Ex-iainstrument 16 … 30 V DC
Ʋ Ex-d-iainstrument 20 … 35 V DC
Reverse voltage protection Integrated
Permissibleresidualripple-Non-Ex,Ex-iainstrument
ƲFrequency 16…400Hz
Ʋfor 12 V< UN< 18 V ≤0.7Ve
Ʋfor 18 V< UN< 35 V ≤1.0Ve
Permissibleresidualripple-Ex-d-iainstrument
ƲFrequency 16…400Hz
Ʋfor 18 V< UN< 35 V ≤1.0Ve
Load resistor
ƲCalculation (UB- Umin)/0.0215 A
Ʋ Example-Non-Exinstrumentwith
UB= 24 V DC
(24V-9.6V)/0.0215A=670Ω

15
Notes
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
47615-EN-150102

Printing date:
VEGA Grieshaber KG
Am Hohenstein 113
77761 Schiltach
Germany
47615-EN-150102
All statements concerning scope of delivery, application, practical use and operat-
ing conditions of the sensors and processing systems correspond to the information
available at the time of printing.
Subject to change without prior notice
© VEGA Grieshaber KG, Schiltach/Germany 2015
Phone [phone]
Fax [phone]
E-mail: [email protected]
www.vega.com