Vega VEGAFLEX 81 Bedienungsanleitung
Operating Instructions
TDR sensor for continuous level and
interface measurement of liquids
VEGAFLEX 81
Probus PA
Rod and cable probe
Document ID: 44217
2
Contents
VEGAFLEX 81 • Probus PA
44217-EN-210914
Contents
1 About this document ............................................................................................................... 4
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbols used................................................................................................................... 4
2 For your safety ......................................................................................................................... 5
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 EU conformity................................................................................................................... 5
2.6 NAMUR recommendations .............................................................................................. 6
2.7 Installation and operation in the USA and Canada ........................................................... 6
2.8 Environmental instructions ............................................................................................... 6
3 Product description ................................................................................................................. 7
3.1 Conguration.................................................................................................................... 7
3.2 Principle of operation........................................................................................................ 9
3.3 Packaging, transport and storage................................................................................... 11
3.4 Accessories.................................................................................................................... 11
4 Mounting................................................................................................................................. 14
4.1 General instructions ....................................................................................................... 14
4.2 Mounting instructions ..................................................................................................... 15
5 Connecting to power supply................................................................................................. 23
5.1 Preparing the connection ............................................................................................... 23
5.2 Connecting..................................................................................................................... 24
5.3 Wiring plan, single chamber housing.............................................................................. 25
5.4 Wiring plan, double chamber housing ............................................................................ 25
5.5 Double chamber housing with VEGADIS-Adapter.......................................................... 27
5.6 Wiring plan - version IP66/IP68, 1 bar ............................................................................ 28
5.7 Set instrument address .................................................................................................. 28
5.8 Switch-on phase............................................................................................................. 29
6 Set up with the display and adjustment module ................................................................ 30
6.1 Insert display and adjustment module............................................................................ 30
6.2 Adjustment system......................................................................................................... 31
6.3 Parameter adjustment - Quick setup .............................................................................. 32
6.4 Parameter adjustment - Extended adjustment................................................................ 33
6.5 Saving the parameterisation data................................................................................... 51
7 Setup with PACTware............................................................................................................. 52
7.1 Connect the PC.............................................................................................................. 52
7.2 Parameter adjustment with PACTware............................................................................ 52
7.3 Set up with the quick setup............................................................................................. 53
7.4 Saving the parameterisation data................................................................................... 55
8 Set up with other systems .................................................................................................... 56
8.1 DD adjustment programs ............................................................................................... 56
9 Diagnostics and servicing .................................................................................................... 57
9.1 Maintenance .................................................................................................................. 57
3
Contents
VEGAFLEX 81 • Probus PA
44217-EN-210914
9.2 Diagnosis memory ......................................................................................................... 57
9.3 Status messages............................................................................................................ 58
9.4 Rectify faults................................................................................................................... 61
9.5 Exchanging the electronics module................................................................................ 66
9.6 Exchanging the cable/rod............................................................................................... 67
9.7 Software update............................................................................................................. 68
9.8 How to proceed if a repair is necessary.......................................................................... 69
10 Dismount................................................................................................................................. 70
10.1 Dismounting steps.......................................................................................................... 70
10.2 Disposal ......................................................................................................................... 70
11 Supplement ............................................................................................................................ 71
11.1 Technical data ................................................................................................................ 71
11.2 Device communication Probus PA................................................................................ 84
11.3 Dimensions .................................................................................................................... 87
11.4 Industrial property rights................................................................................................. 94
11.5 Trademark ...................................................................................................................... 94
Safety instructions for Ex areas
Take note of the Ex specic safety instructions for Ex applications.
These instructions are attached as documents to each instrument
with Ex approval and are part of the operating instructions.
Editing status: 2021-08-19
4
1 About this document
VEGAFLEX 81 • Probus PA
44217-EN-210914
1 About this document
1.1 Function
This instruction provides all the information you need for mounting,
connection and setup as well as important instructions for mainte-
nance, fault rectication, the exchange of parts and the safety of the
user. Please read this information 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 personnel.
The contents of this manual must be made available to the qualied
personnel and implemented.
1.3 Symbols used
Document ID
This symbol on the front page of this instruction refers to the Docu-
ment ID. By entering the Document ID on www.vega.com you will
reach the document download.
Information, note, tip: This symbol indicates helpful additional infor-
mation and tips for successful work.
Note: This symbol indicates notes to prevent failures, malfunctions,
damage to devices or plants.
Caution: Non-observance of the information marked with this symbol
may result in personal injury.
Warning: Non-observance of the information marked with this symbol
may result in serious or fatal personal injury.
Danger: Non-observance of the information marked with this symbol
results in serious or fatal personal injury.
Ex applications
This symbol indicates special instructions for Ex applications.
• List
The dot set in front indicates a list with no implied sequence.
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
VEGAFLEX 81 • Probus PA
44217-EN-210914
2 For your safety
2.1 Authorised personnel
All operations described in this documentation must be carried out
only by trained, qualied 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
VEGAFLEX 81 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 specications in the operating instructions
manual as well as possible supplementary instructions.
2.3 Warning about incorrect use
Inappropriate or incorrect use of this product can give rise to applica-
tion-specic hazards, e.g. vessel overll through incorrect mounting
or adjustment. Damage to property and persons or environmental
contamination can result. Also, the protective characteristics of the
instrument can be impaired.
2.4 General safety instructions
This is a state-of-the-art instrument complying with all prevailing
regulations and directives. The instrument must only be operated in a
technically awless and reliable condition. The operator is responsi-
ble for the trouble-free operation of the instrument. When measuring
aggressive or corrosive media that can cause a dangerous situation
if the instrument malfunctions, the operator has to implement suitable
measures to make sure the instrument is functioning properly.
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 modications are explicitly forbidden. For safety
reasons, only the accessory specied by the manufacturer must be
used.
To avoid any danger, the safety approval markings and safety tips on
the device must also be observed.
2.5 EU conformity
The device fulls the legal requirements of the applicable EU direc-
tives. By axing the CE marking, we conrm the conformity of the
instrument with these directives.
The EU conformity declaration can be found on our homepage.
6
2 For your safety
VEGAFLEX 81 • Probus PA
44217-EN-210914
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 dierent environment, the electromag-
netic compatibility to other instruments must be ensured by suitable
measures.
2.6 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 fulls the requirements of the following NAMUR recom-
mendations:
• NE 21 – Electromagnetic compatibility of equipment
• 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.
2.7 Installation and operation in the USA and
Canada
This information is only valid for USA and Canada. Hence the follow-
ing text is only available in the English language.
Installations in the US shall comply with the relevant requirements of
the National Electrical Code (ANSI/NFPA 70).
Installations in Canada shall comply with the relevant requirements of
the Canadian Electrical Code.
2.8 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 certied according
to DIN EN ISO 14001.
Please help us full this obligation by observing the environmental
instructions in this manual:
• Chapter "Packaging, transport and storage"
• Chapter "Disposal"
7
3 Product description
VEGAFLEX 81 • Probus PA
44217-EN-210914
3 Product description
3.1 Conguration
The scope of delivery encompasses:
• Sensor VEGAFLEX 81
• Optional accessory
• Optionally integrated Bluetooth module
The further scope of delivery encompasses:
• Documentation
– Quick setup guide VEGAFLEX 81
– Instructions for optional instrument features
– Ex-specic "Safety instructions" (with Ex versions)
– If necessary, further certicates
Information:
Optional instrument features are also described in this operating
instructions manual. The respective scope of delivery results from the
order specication.
This operating instructions manual applies to the following instrument
versions:
• Hardware from 1.0.0
• Software from 1.3.0
• Only for instrument versions without SIL qualication
The type label contains the most important data for identication and
use of the instrument:
Scope of delivery
Scope of this operating
instructions
Type label
8
3 Product description
VEGAFLEX 81 • Probus PA
44217-EN-210914
2
1
12
13
14
15
11
10
5
3
6
4
7
8
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 Probe length (measurement accuracy optional)
7 Process and ambient temperature, process pressure
8 Material wetted parts
9 Order number
10 Serial number of the instrument
11 Symbol of the device protection class
12 ID numbers, instrument documentation
13 Reminder to observe the instrument documentation
14 NotiedauthorityforCEmarking
15 Approval directives
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-specic instrument features (HTML)
• Operating instructions and quick setup guide at the time of ship-
ment (PDF)
• Order-specic sensor data for an electronics exchange (XML)
• Test certicate (PDF) - optional
Move to "www.vega.com" and enter in the search eld the serial
number of your instrument.
Alternatively, you can access the data via your smartphone:
• Download the VEGA Tools app from the "Apple App Store" or the
"Google Play Store"
• Scan the QR-code on the type label of the device or
• Enter the serial number manually in the app
Serial number - Instru-
ment search
9
3 Product description
VEGAFLEX 81 • Probus PA
44217-EN-210914
3.2 Principle of operation
The VEGAFLEX 81 is a level sensor with cable or rod probe for
continuous level or interface measurement, suitable for applications
in liquids.
High frequency microwave pulses are guided along a steel cable or
a rod. Upon reaching the medium surface, the microwave pulses are
reected. The running time is evaluated by the instrument and output
as level.
d
h
1
Fig. 2: Level measurement
1 Sensorreferenceplane(sealsurfaceoftheprocesstting)
d Distance to the level
h Height - Level
High frequency microwave impulses are guided along a steel cable or
rod. Upon reaching the medium surface, a part of the microwave im-
pulses is reected. The other part passes through the upper product
and is reected by the interface. The running times to the two product
layers are processed by the instrument.
Application area
Functional principle -
level measurement
Functional principle - in-
terface measurement
10
3 Product description
VEGAFLEX 81 • Probus PA
44217-EN-210914
TS
d1
h1
h2
d2
1
L2
L1
L3
Fig. 3: Interface measurement
1 Sensorreferenceplane(sealsurfaceoftheprocesstting)
d1 Distance to the interface
d2 Distance to the level
TS Thickness of the upper medium (d1 - d2)
h1 Height - Interface
h2 Height - Level
L1 Lower medium
L2 Upper medium
L3 Gas phase
Upper medium (L2)
• The upper medium must not be conductive
• The dielectric constant of the upper medium or the actual distance
to the interface must be known (input required). Min. dielectric con-
stant: 1.6. You can nd a list of dielectric constants on our home
page: www.vega.com.
• The composition of the upper medium must be stable, no varying
products or mixtures
• The upper medium must be homogeneous, no stratications
within the medium
• Min. thickness of the upper medium 50 mm (1.97 in)
• Clear separation from the lower medium, emulsion phase or detri-
tus layer max. 50 mm (1.97 in)
• If possible, no foam on the surface
Lower medium (L1)
• The dielectric constant must be 10 higher than the dielectric
constant of the upper medium, preferably electrically conductive.
Example: upper medium dielectric constant 2, lower medium at
least dielectric constant 12.
Gas phase (L3)
• Air or gas mixture
• Gas phase - dependent on the application, gas phase does not
always exist (d2 = 0)
Prerequisites for inter-
face measurement
Andere Handbücher für VEGAFLEX 81
18
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