Vega VEGAPULS SR 68 User manual
Quick setup guide
Radar sensor for continuous level
measurement of bulk solids
VEGAPULS SR 68
4 … 20 mA/HART - two-wire
Document ID: 47159
2
Contents
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
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................................................................................................................... 4
1.6 NAMUR recommendations .............................................................................................. 4
1.7 Radio license for Europe .................................................................................................. 4
1.8 Radio license for USA/Canada......................................................................................... 5
1.9 Environmental instructions ............................................................................................... 5
2 Product description
2.1 Conguration.................................................................................................................... 6
3 Mounting
3.1 Mounting preparations - Parabolic antenna...................................................................... 7
3.2 Mounting preparations ..................................................................................................... 8
3.3 Mounting instructions ....................................................................................................... 9
4 Connecting to power supply
4.1 Connecting..................................................................................................................... 11
4.2 Wiring plan, single chamber housing.............................................................................. 12
5 Set up with the display and adjustment module
5.1 Insert display and adjustment module............................................................................ 14
5.2 Parameter adjustment .................................................................................................... 15
6 Supplement
6.1 Technical data ................................................................................................................ 20
Information:
This quick setup guide enables quick setup and commissioning of
your instrument.
Youcanndsupplementaryinformationinthecorresponding,more
detailed Operating Instructions Manual as well as the Safety Manual
thatcomeswithinstrumentswithSILqualication.Thesemanualsare
available on the supplied DVD or in the download area of "www.vega.
com".
Operating instructions VEGAPULS SR 68 - 4 … 20 mA/HART -
two-wire: Document-ID 38294
Editing status of the quick setup guide: 2016-02-04
3
1 For your safety
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
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
VEGAPULS SR 68 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.
1.3 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. Also the pro-
tectivecharacteristicsoftheinstrumentcanbeinuenced.
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
technicallyawlessandreliablecondition.Theoperatorisresponsible
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-
traryconversionsormodicationsareexplicitlyforbidden.
The safety approval markings and safety tips on the device must also
be observed.
Depending on the instrument version, the emitting frequencies are in
the C, K or W band range. The low emitting frequencies are far below
the internationally approved limit values. When used correctly, the
device poses no danger to health.
4
1 For your safety
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
1.5 CE conformity
ThedevicefulllsthelegalrequirementsoftheapplicableECguide-
lines.ByaxingtheCEmarking,weconrmsuccessfultestingofthe
product.
YoucanndtheCECerticateofConformityinthedownloadsection
of our homepage.
Electromagnetic compatibility
Instrumentsinfour-wireorEx-d-iaversionaredesignedforuseinan
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.Iftheinstrumentisusedinadierentenvironment,theelectromag-
netic compatibility to other instruments must be ensured by suitable
measures.
1.6 NAMUR recommendations
NAMUR is the automation technology user association in the process
industry in Germany.The published NAMUR recommendations are
acceptedasthestandardineldinstrumentation.
ThedevicefulllstherequirementsofthefollowingNAMURrecom-
mendations:
• NE 21 – Electromagnetic compatibility of equipment
• NE 43 – Signal level for malfunction information from measuring
transducers
• NE53–Compatibilityofelddevicesanddisplay/adjustment
components
• NE107–Self-monitoringanddiagnosisofelddevices
For further information see www.namur.de.
1.7 Radio license for Europe
The instrument is approved according to EN 302372-1/2 V1.2.1
(2011-02) for use in closed vessels.
For operation inside of closed vessels, the following conditions must
befullled:
• The instrument must be permanently mounted on a closed vessel
made of metal, reinforced concrete, or comparable attenuating
materials.
• Flanges,processttingsandmountingaccessoriesmustensure
the microwave impermeability of the vessel and not let the radar
signal escape to the outside
• Ifnecessary,existingviewingwindowsinthevesselmustbe
coated with a microwave impermeable material (e.g. electrically
conductive coating)
• Manholesandangesonthevesselmustbeclosedandsealedto
avoid penetration of the radar signal
• The instrument should be preferably mounted on top of the vessel
with antenna orientation downward
5
1 For your safety
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
• The instrument must only be installed and maintained by appropri-
atelyqualiedsta
1.8 Radio license for USA/Canada
The instrument is in conformity with part 15 of the FCC regulations.
Take note of the following two regulations:
• This device may not cause interference, and
• The device must be resistant to interference signals, including
such that may cause undesired operating states of the device
Modicationsnotexpresslyapprovedbythemanufacturerwillleadto
expiryoftheoperatinglicenceaccordingtoFCC/IC.
The instrument is in conformity with RSS-210 of the IC regulations.
The instrument may only be used in closed vessels made of metal,
concrete,orbre-reinforcedplastic.
1.9 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.
Pleasehelpusfulllthisobligationbyobservingtheenvironmental
instructions in this manual:
• Chapter "Packaging, transport and storage"
• Chapter "Disposal"
6
2 Product description
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
2 Product description
2.1 Conguration
Thetypelabelcontainsthemostimportantdataforidenticationand
use of the instrument:
2
1
15
13
14
12
11
5
3
6
4
7
8
10
9
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 Measuring range
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 Data-Matrix-Code for smartphone app
13 Symbol of the device protection class
14 ID number, instrument documentation
15 Reminder to observe the instrument documentation
The type label contains the serial number of the instrument. With it
youcanndthefollowinginstrumentdataonourhomepage:
• Product code (HTML)
• Delivery date (HTML)
• Order-specicinstrumentfeatures(HTML)
• Operating instructions and quick setup guide at the time of ship-
ment (PDF)
• Order-specicsensordataforanelectronicsexchange(XML)
• Testcerticate(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:
• Download the smartphone app "VEGA Tools" from the "Apple App
Store" or the "Google Play Store"
• ScantheDataMatrixcodeonthetypelabeloftheinstrumentor
• Enter the serial number manually in the app
Type label
Serial number - Instru-
ment search
7
3 Mounting
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
3 Mounting
3.1 Mounting preparations - Parabolic antenna
The instrument is also available in versions where the antenna has
adiameterlargerthantheprocesstting(thread,ange).Withsuch
versionstheantennamustbedisconnectedfromtheprocesstting
before mounting. Proceed as follows:
1. ClampVEGAPULSSR68withtheange,e.g.inabenchvice
2. Holdtheconnectionpiece(1)withawrenchontheatsurfaces
(widthacrossats22mm)
3. Loosen counter nut (3) completely with a wrench (width across
ats36mm)inthedirectionoftheantenna
4. Loosen compression nut (2) completely with a wrench (width
acrossats41mm)inthedirectionoftheantenna
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:
A damaged O-ring seal must be replaced: FKM (SHS FPM 70C3
GLT),FFKM(Kalrez6375)
8. Remount the parabolic antenna (4)
9. Fastencompressionnut(2)withawrench(widthacrossats41),
max.torqueseechapter"Technical data"
10. Fastencounternut(3)withawrench(widthacrossats36),max.
torque see chapter "Technical data"
Note:
On the version with rinsing air connection, make sure that the holes
intheantennaandintheprocessttingcoincide.Thisensuresasuf-
cientairow(theairisledthroughtheholestothefeedsystem.A
rinsing of the whole parabolic antenna is not intended).
1
2
3
4
Fig. 2: Dismounting, parabolic antenna
1 Connection piece
2 Compression nut
3 Counter nut
4 Parabolic antenna
8
3 Mounting
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
3.2 Mounting preparations
The instrument is also available in versions with an antenna whose
diameterislargerthantheprocesstting(thread,ange).Insuch
casestheantennamustbedisconnectedfromtheprocesstting
before mounting.
Proceed as follows:
1. Loosenthehexagonsocketscrews(3)ontheantennasocket
withanAllenwrench(size3)
2. Remove the antenna (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;max.torqueseechapter"Technical data"
Note:
Theradarsensorwithrinsingairconnectionorwithantennaexten-
sionhasanotchontheantennasocketforpolarization.Thisnotch
mustbealignedwiththemarkingontheprocesstting.
4
3
5
1
2
Fig. 3: Dismounting of the horn antenna
1 Markingontheprocesstting
2 Marking at the antenna socket
3 Screw locking device
4 Hexagon screws
5 Antenna
Caution:
A secure hold of the antenna is only ensured with the untwist guard.
The untwist guards inserted on site must hence be used again.
Depending on temperature range and antenna material, these are
spring rings according to DIN 217 or wedge lock washers according
to DIN 25 201.
Horn antenna
9
3 Mounting
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
Proceed as follows:
1. ClampVEGAPULSSR68withtheange,e.g.inabenchvice
2. Holdtheconnectionpiece(1)withawrenchontheatsurfaces
(widthacrossats22mm)
3. Loosen counter nut (3) completely with a wrench (width across
ats36mm)inthedirectionoftheantenna
4. Loosen compression nut (2) completely with a wrench (width
acrossats41mm)inthedirectionoftheantenna
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:
A damaged O-ring seal must be replaced: FKM (SHS FPM 70C3
GLT),FFKM(Kalrez6375)
8. Remount the parabolic antenna (4)
9. Fastencompressionnut(2)withawrench(widthacrossats41),
max.torqueseechapter"Technical data"
10. Fastencounternut(3)withawrench(widthacrossats36),max.
torque see chapter "Technical data"
Note:
On the version with rinsing air connection, make sure that the holes
intheantennaandintheprocessttingcoincide.Thisensuresasuf-
cientairow(theairisledthroughtheholestothefeedsystem.A
rinsing of the whole parabolic antenna is not intended).
1
2
3
4
Fig. 4: Dismounting, parabolic antenna
1 Connection piece
2 Compression nut
3 Counter nut
4 Parabolic antenna
3.3 Mounting instructions
1. Distance from the vessel wall > 200 mm, the antenna should
protrude > 10 mm into the vessel
Parabolic antenna
Mounting
10
3 Mounting
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
ca. 10 mm
200 mm
(7.87
")
Fig. 5: Distance of the antenna to the vessel wall/vessel ceiling
2. Note min. socket diameter depending on the socket length
3. Note the instructions for sealing
For further information see chapter "Mounting".
11
4 Connecting to power supply
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
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 lid
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 gland and remove blind
plug
4. Removeapprox.10cm(4in)ofthecablemantle,stripapprox.
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. 6: Connection steps 5 and 6 - Single chamber housing
Connection technology
Connection procedure
12
4 Connecting to power supply
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
Fig. 7: Connection steps 5 and 6 - Double chamber housing
6. Insert the wire ends into the terminals according to the wiring plan
Information:
Solidcoresaswellasexiblecoreswithwireendsleevesareinsert-
eddirectlyintotheterminalopenings.Incaseofexiblecoreswithout
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.
Youcanndfurtherinformationonthemax.wirecross-sectionunder
"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
externalgroundterminaltopotentialequalisation
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
Theelectricalconnectionisnished.
4.2 Wiring plan, single chamber housing
Thefollowingillustrationappliestothenon-ExaswellastotheEx-ia
version.
13
4 Connecting to power supply
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
5
12
+
( ) (-)
678
4...20mA
2
3
4
1
Fig. 8: 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
Electronics and terminal
compartment
14
5 Set up with the display and adjustment module
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
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
andremovedagainatanytime.Youcanchooseanyoneoffourdier-
ent positions - each displaced by 90°. It is not necessary to interrupt
the power supply.
Proceed as follows:
1. Unscrew the housing lid
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 lid 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. 9: Installing the display and adjustment module in the electronics compart-
ment of the single chamber housing
15
5 Set up with the display and adjustment module
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
1 2
Fig. 10: Installing the display and adjustment module in the double chamber
housing
1 In the electronics compartment
2 In the terminal compartment
Note:
Ifyouintendtoretrottheinstrumentwithadisplayandadjustment
module for continuous measured value indication, a higher lid with an
inspection glass is required.
5.2 Parameter adjustment
1. Go to the menu "Setup" via the display and adjustment module.
2. Select in the menu item "Medium" the medium of your applica-
tion,forexample"Powder/Dust".
3. Select in the menu item "Application" the vessel, the application
andthevesselform,forexample,silo.
4. Carry out the adjustment in the menu items "Min. adjustment" and
"Max. adjustment".
Set parameters
16
5 Set up with the display and adjustment module
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
The radar sensor as a distance measuring instrument measures the
distance from the sensor to the product surface. For indication of the
real level, an allocation of the measured distance to the percentage
height must be carried out.
2
1
3
100%
0%
1 m
(39.37
")
35 m
(1378
")
Fig. 11: Parameterization example
1 Min. level ≙max. meas. distance
2 Max. level ≙min. meas. distance
Forthisadjustment,thedistanceisenteredformin.andmax.level.
If these values are not known, an adjustment with distances, for
example,of10%and90%isalsopossible.Startingpointforthese
distancespecicationsisalwaysthesealsurfaceofthethreador
ange.
The function "Echo curve memory" makes it possible to save the echo
curve at the time of setup. This is generally recommended, and it is
absolutely necessary to do this if you want to use the Asset Manage-
ment functions. If possible, the curve should be saved with a low level
in the vessel.
With the adjustment software PACTware and the PC, the high resolu-
tionechocurvecanbedisplayedandusedtorecognizesignal
changes during operation. In addition, the echo curve of setup can be
displayed in the echo curve window and compared with the current
echo curve.
Parameterization example
Diagnostics - Echo curve
memory
17
5 Set up with the display and adjustment module
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
Thefollowingcircumstancescauseinterferingreectionsandcan
inuencethemeasurement:
• High sockets
• Vessel internals such as struts
• Agitators
• Buildup or welded joints on vessel walls
Note:
A false signal suppression detects, marks and saves these false
signals so that they are no longer taken into account in the level
measurement.
This should be done with a low level so that all potential interfering
reectionscanbedetected.
Proceed as follows:
1. Select with [->] the menu item "False signal suppression" and
conrmwith[OK].
2. Conrmagainwith[OK].
3. Conrmagainwith[OK].
4. Conrmagainwith[OK] and enter the actual distance from the
sensor to the product surface.
5. All interfering signals in this section are detected by the sensor
andstoredafterconrmingwith[OK].
Note:
Check the distance to the product surface, because if an incorrect
(toolarge)valueisentered,theexistinglevelwillbesavedasafalse
signal.The level would then no longer be detectable in this area.
If a false signal suppression has already been saved in the sensor,
the following menu window appears when selecting "False signal
suppression":
Additional adjustments -
False signal suppression
18
5 Set up with the display and adjustment module
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
Delete: An already created false signal suppression will be com-
pletely deleted. This is useful if the saved false signal suppression no
longer matches the metrological conditions in the vessel.
Extend:isusedtoextendanalreadycreatedfalsesignalsuppres-
sion.This is useful if a false signal suppression was carried out with
too high a level and not all false signals could be detected. When
selecting "Extend", the distance to the product surface of the created
false signal suppression is displayed. This value can now be changed
andthefalsesignalsuppressioncanbeextendedtothisrange.
Menu - Setup
Menu item Parameter Default setting
Measurement
loop name
Sensor
Medium Liquid
Water based
Application Storage tank
Vessel form Vessel top Dished form
Vessel bottom Dished form
Vessel height/
Measuring range
35 m
Max. adjustment 0,000 m(d)
100.00%
Min. adjustment 35 m
0.00%
Damping Integration time 0.0 s
Current output
mode
Output character-
istics
4 … 20 mA
Failure mode ≤3.6mA
Current output -
Min./Max.
Min. current 3.8 mA
Max.current 20.5 mA
Lock adjustment Released
Menu - Display
Menu item Default setting
Language Order-specic
Displayed value Fillingheightin%
Backlight Switched on
Menu and parameter
overview
19
5 Set up with the display and adjustment module
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
Menu - Diagnosis
Menu item Parameter Default setting
Sensor status -
Peak value Distance -
Electronics tem-
perature
Temperature -
Meas. certainty -
Simulation Percent
Curve indication Echo curve -
False signal sup-
pression
-
Echo curve
memory
-
Menu - Additional adjustments
Menu item Default setting
Instrument units Distance in m
Temperature in °C
False signal suppres-
sion
-
Linearization Linear
PIN -
Date/Time Actual date/Actual time
Reset -
HART mode Address 0
Copy instrument set-
tings
-
Menu - Info
Menu item Parameter
Device name VEGAPULS 6.
Instrument version Hardware and software version
Date of manufacture Date
Instrument features Order-speciccharacteristics
20
6 Supplement
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
47159-EN-160215
6 Supplement
6.1 Technical data
Electromechanical data - version IP 66/IP 67 and IP 66/IP 68; 0.2 bar
Options of the cable entry
ƲCable entry M20x1.5,½NPT
ƲCable gland M20x1,5;½NPT(cableøseebelowtable)
ƲBlind plug M20x1.5;½NPT
ƲClosing cap ½NPT
Material ca-
ble gland
Material seal
insert
Cable diameter
4.5 … 8.5 mm 5 … 9 mm 6 … 12 mm 7 … 12 mm 10 … 14 mm
PA NBR – ● ● –●
Brass, nickel-
plated
NBR ● ● ● – –
Stainless
steel
NBR –● ● –●
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 UB
Ʋ Non-Exinstrument 9.6 … 35 V DC
Ʋ Exiainstrument 9.6 … 30 V DC
Ʋ Ex-d-iainstrument 14 … 35 V DC
Ʋ Ex-d-iainstrumentwithshipapproval 15 … 35 V DC
Operating voltage UB- illuminated display and adjustment module
Ʋ Non-Exinstrument 16 … 35 V DC
Ʋ Exiainstrument 16 … 30 V DC
Ʋ Ex-d-iainstrument No lighting (integrated ia barrier)
Reverse voltage protection Integrated
Permissibleresidualripple-Non-Ex,Ex-iainstrument
Ʋfor 9.6 V< UB< 14 V ≤0.7Ve(16…400Hz)
Ʋfor 18 V< UB< 36 V ≤1.0Ve(16…400Hz)
Permissibleresidualripple-Ex-d-iainstrument
Ʋfor 18 V< UB< 36 V ≤1Ve(16…400Hz)
Load resistor
ƲCalculation (UB- Umin)/0.022 A
Ʋ Example-Non-Exinstrumentwith
UB= 24 V DC
(24V-9.6V)/0.022A=655Ω
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5
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