Ope
rating Instructions
VEGABAR 12
Document ID:
35544
Proc
ess pressure
Contents
Conten
1 About this document
2 For your safety
3 Product description
4 Mounting
5 Connecting to power supply
ts
1.1 Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Target group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Symbolism used . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 Authorised personnel . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Appropriate use . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Warning about misuse . . . . . . . . . . . . . . . . . . . . . . .
2.4 General safety instructions . . . . . . . . . . . . . . . . . . . .
2.5 Safety label on the instrument . . . . . . . . . . . . . . . . . .
2.6 CE conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7 Measuring range - permissible process pressure . . . .
2.8 Environmental instructions. . . . . . . . . . . . . . . . . . . . .
3.1 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Principle of operation . . . . . . . . . . . . . . . . . . . . . . . .
3.3 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4 Packaging, transport and storage . . . . . . . . . . . . . . .
4.1 General instructions . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Mounting instructions . . . . . . . . . . . . . . . . . . . . . . . .
4.3 Mounting steps. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Preparing the connection . . . . . . . . . . . . . . . . . . . . .
5.2 Wiring plan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Switch on phase. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4
4
5
5
5
5
6
6
6
6
7
8
8
8
10
10
10
11
12
12
6 Set up
6.1 Setup steps without adjustment . . . . . . . . . . . . . . . . .
6.2 Setup steps with PC operation . . . . . . . . . . . . . . . . .
7 Maintenance and fault rectification
7.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2 Fault rectification . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.3 Instrument repair . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Dismounting
8.1 Dismounting steps . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 Supplement
9.1 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 VEG
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14
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35544-EN-110616
17
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ABAR 12
Contents
ng status: 2011-05-27
Editi
Supplementary documentation
Informa
tion:
Supplementary documents appropriate to the ordered version come
with the delivery. You can find them listed in chapter "Product
description".
35544-EN-110616
VEGABAR 12 3
1 Abou
t this document
1 Abou
t this document
1.1 Function
This operating instructions manual provides all the information you
need for mounting, connection and setup as well as important
instructions for maintenance and fault rectification. 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 qualified
personnel. The contents of this manual should be made available to
these personnel and put into practice by them.
1.3 Symbolism used
Inform
ation, tip, note
This symbol indicates helpful additional information.
Cauti
on: 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.
applications
Ex
This symbol indicates special instructions for Ex applications.
l List
The dot set in front indicates a list with no implied sequence.
à Action
Th
is arrow indicates a single action.
1 Sequence
Numbers set in front indicate successive steps in a procedure.
4 VEG
35544-EN-110616
ABAR 12
your safety
2 For
or your safety
2 F
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
VEGABAR 12 is a pressure transmitter for the bubble-through method
with neutral gases.
You can find detailed information on the application range in chapter
"Product description".
Operational reliability is ensured only if the instrument is properly used
according to the specifications in the operating instructions 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. Arbitrary
conversions or modifications are explicitly forbidden.
2.3 Warning about misuse
Inappropriate or incorrect use of the instrument can give rise to
application-specific hazards, e.g. vessel overfill or damage to system
components through incorrect mounting or adjustment.
2.4 General safety instructions
This is a high-tech instrument requiring the strict observance of
standard regulations and guidelines. The user must take note of the
safety instructions in this operating instructions manual, the countryspecific installation standards as well as all prevailing safety
regulations and accident prevention rules.
The instrument must only be operated in a technically flawless and
reliable condition. The operator is responsible for 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
regulations.
35544-EN-110616
VEGABAR 12 5
2 For
your safety
2.5 Safety
The safety approval markings and safety tips on the device must be
observed.
label on the instrument
2.6 CE conformity
This device fulfills the legal requirements of the applicable EC
guidelines. By attaching the CE mark, VEGA provides a confirmation
of successful testing. You can find the CE conformity declaration in the
download area of
2.7 Measu
www.vega.com.
ring range - permissible process pres-
sure
Due to the application, a measuring cell with higher measuring range
than the permissible pressure range of the process pressure can be
integrated. The permissible process pressure is stated with "process
pressure" on the type label, see chapter 3.1 "Configuration". For safety
reasons, this range must not be exceeded.
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 protection.
The environment management system is certified according to DIN
EN ISO 14001.
Please help us fulfil this obligation by observing the environmental
instructions in this manual:
l Chapter "Packaging, transport and storage"
l Chapter "Disposal"
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35544-EN-110616
ABAR 12
3
2
1
3 Produc
t description
pe of delivery
Sco
Structure
3 Produc
t description
3.1 Structure
The scope of delivery encompasses:
l VEGABAR 12 process pressure transmitter
l Mounting accessories, depending on the version
l Documentation
- this operating instructions manual
- Operating instructions 35584 - PC operation VEGABAR 12
(optional)
- if necessary, further certificates
terminal connection
Type
label
Fig. 1: VEGABAR 12 with
1 Process fitting
2 Housing with electronics
3 Pressure compensation
The type label contains the most important data for identification and
use of the instrument:
l Article number
l Serial number
l Technical data
l Article number, documentation
The serial number allows you to access the delivery data of the
instrument via
search".
www.vega.com, "VEG
A Tools" and "serial number
35544-EN-110616
VEGABAR 12 7
3 Produc
t description
Appli
cation area
Functional principle
Voltage supply
Packaging
3.2 Princi
VEGABAR 12 is a pressure transmitter for gauge pressure measure-
ment of neutral gases.
The sensor element is the CERTEC
ceramic diaphragm. The process pressure causes a capacitance
change in the measuring cell via the ceramic diaphragm. This change
is converted into an appropriate output signal and outputted as
measured value.
Two-wire electronics 4 … 20 mA for power supply and measured
value transmission over the same cable.
ple of operation
®
measuring cell with rugged
3.3 Operation
The optional operation of the instrument is carried out via a PC with
interface adapter and VEGA adjustment software.
3.4 Packaging, transport and storage
The device was protected by packaging during transport. Its capacity
to handle normal loads during transport is assured by a test according
to DIN EN 24180.
The packaging of standard instruments consists of environmentfriendly, recyclable cardboard. For special versions, PE foam or PE foil
is also used. Dispose of the packaging material via specialised
recycling companies.
Transport
Transport inspection
Storage
8 VEG
Transport must be carried out under consideration of the notes on the
transport packaging. Nonobservance of these instructions can cause
damage to the device.
The delivery must be checked for completeness and possible transit
damage immediately at receipt. Ascertained transit damage or
concealed 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:
l Not in the open
l Dry and dust free
l Not exposed to corrosive media
l Protected against solar radiation
l Avoiding mechanical shock and vibration
35544-EN-110616
ABAR 12
3 Produc
t description
Storage and transport
temperature
l Storag
e and transport temperature see chapter "Supplement -
Technical data - Ambient conditions"
l Relative humidity 20 … 85 %
35544-EN-110616
VEGABAR 12 9
4 M
ounting
bility for the pro-
Suita
conditions
cess
Mounting position
4 Moun
ting
4.1 General instructions
Make sure that all parts of the instrument exposed to the process, in
particular the sensor element, process seal and process fitting, are
suitable for the existing process conditions. These include above all
the process pressure, process temperature as well as the chemical
properties of the medium.
You can find the specifications in chapter "Technical data" or on the
type label.
4.2 Mounting instructions
VEGABAR 12 functions in any installation position.
Informa
tion:
We recommend using the measuring instrument holder of the line of
mounting accessory.
4.3 Mounting steps
For mounting VEGABAR 12, a connection with G1/8" outer thread is
required.
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35544-EN-110616
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ecting to power supply
5 Conn
Note safety instructions
Select power supply
Select connection cable
Cable screening and
groun
ding
5 Conn
ecting to power supply
5.1 Preparing the connection
Always keep in mind the following safety instructions:
l Connect only in the complete absence of line voltage
l If voltage surges are expected, install overvoltage arresters
The supply voltage and the current signal are carried on the same twowire connection cable.
Provide a reliable separation between the supply circuit and the mains
circuits according to DIN VDE 0106 part 101.
Keep in mind the following additional factors that influence the
operating voltage:
l Output voltage of the power supply unit can be lower under
nominal load (with a sensor current of 3.6 mA in case of fault
message)
l Influence of additional instruments in the circuit (see load values in
chapter "Technical data")
The instrument is connected with standard two-wire cable without
screen. If electromagnetic interference is expected which is above the
test values of EN 61326 for industrial areas, screened cable should be
used.
Connect the cable screen on both ends to ground potential.
If potential equalisation currents are expected, the connection on the
processing side must be made via a ceramic capacitor (e. g. 1 nF,
1500 V). The low frequency potential equalisation currents are thus
suppressed, but the protective effect against high frequency interference signals remains.
ning:
War
Within galvanic plants as well as vessels with cathodic corrosion
protection there are considerable potential differences. Considerably
equalisation currents can be caused via the cable scrren when the
screen is earthed on both ends. To avoid this, the cable screen must
only connected to ground potential on one side of the switching
cabinet in such applications. The cable screen must not be connected
to the internal ground terminal in the sensor and the outer ground
terminal on the housing not to the potential equalisation!
35544-EN-110616
VEGABAR 12 11
1
2
+
+
-
-
ecting to power supply
5 Conn
tion:
Informa
The metal parts of the instrument (antenna, transmitter, concentric
tube, etc.) are conductive connected with the inner and outer ground
terminal on the housing. This connection exists either directly metallic
or with instruments with external electronics via the screen of the
special connection cable. You can find specifications to the potential
connections within the instrument in chapter "Technical data".
5.2 Wiring plan
Fig. 2: VEGABAR 12 - wiring
1 Voltage supply and signal output
2 PC adjustment interface
plan
5.3 Switch on phase
After connecting VEGABAR 12 to power supply or after a voltage
recurrence, the instrument carries out a self-check:
l Internal check of the electronics
l 4 … 20 mA output jumps to the failure signal 3.6 mA
Then VEGABAR 12 delivers a current of 4 … 20 mA to the cable. The
value corresponds to the actual level as well as to settings already
carried out, e.g. the factory setting.
35544-EN-110616
12 VEG
ABAR 12
6 Set
up
6 Set
up
6.1 Setup steps without adjustment
After mounting and electrical connection, VEGABAR 12 is ready for
operation.
VEGABAR 12 delivers a current of 4 … 20 mA according to the actual
process pressure. Further settings are not necessary.
6.2 Setup steps with PC operation
The procedure is described in the separate operating instructions "PC
operation for VEGABAR 12".
35544-EN-110616
VEGABAR 12 13
aintenance and fault rectification
7 M
Rea
ction when malfunc-
tions
occur
Causes of faults
Fault rectificat
24 hour service hotline
ion
7 Maint
enance and fault rectification
7.1 Maintenance
If the instrument is used properly, no special maintenance is required
in normal operation.
7.2 Fault rectification
The operator of the system is responsible for taking suitable measures
to rectify faults.
VEGABAR 12 offers maximum reliability. Nevertheless, faults can
occur during operation. These may be caused by the following, e.g.:
l Sensor
l Process
l Voltage supply
l Signal processing
The first measure to be taken is to check the output signal. In many
cases, the causes can be determined this way and the faults rectified.
Should these measures not be successful, please call in urgent cases
the VEGA service hotline under the phone no. +49 1805 858550.
The hotline is available to you 7 days a week round-the-clock. Since
we offer this service world-wide, the support is only available in the
English language. The service is free of charge, only the standard
telephone costs will be charged.
Checking the 4 … 20 mA
sign
al
? 4 … 20 mA signal not stable
l no atmospheric pressure compensation
à Check pressure compensation
? No 4 … 20 mA signal
l Connection to voltage supply wrong
à Check connection according to chapter "Connection steps"
and if necessary, correct according to chapter "Wiring plan"
l No operating voltage
à Check cables for breaks; repair if necessary
l Operating voltage too low or load resistance too high
à Check, adapt if necessary
14 VEG
35544-EN-110616
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aintenance and fault rectification
7 M
Reaction after fault rec-
cation
tifi
? Current
signal 3.6 mA
l electronics module or measuring cell defective
à Exchange the instrument or send it in for repair
Depending on the failure reason and measures taken, the steps
described in chapter "Set up" must be carried out again, if necessary.
7.3 Instrument repair
If a repair is necessary, please proceed as follows:
You can download a return form (23 KB) from our homepage at
vega.com
under: "Downloads - Forms and certificates - Repair form".
By doing this you help us carry out the repair quickly and without
having to call back for needed information.
l Print and fill out one form per instrument
l Clean the instrument and pack it damage-proof
l Attach the completed form and, if need be, also a safety data
sheet outside on the packaging
l Please ask the agency serving you for the address of your return
shipment. You can find the respective agency on our website
www.vega.com
under: "Company - VEGA worldwide"
www.
35544-EN-110616
VEGABAR 12 15
8 Dismoun
ting
8 Dismou
nting
8.1 Dismounting steps
Warning:
Before dismounting, be aware of dangerous process conditions such
as e.g. pressure in the vessel, high temperatures, corrosive or toxic
products etc.
Take note of chapters "Mounting" and "Connecting to power supply"
and carry out the listed steps in reverse order.
8.2 Disposal
The instrument consists of materials which can be recycled by
specialised recycling companies. We use recyclable materials and
have designed the electronics to be easily separable.
WEEE directive 2002/96/EG
This instrument is not subject to the WEEE directive 2002/96/EG and
the respective national laws. Pass the instrument directly on to a
specialised recycling company and do not use the municipal collecting
points. These may be used only for privately used products according
to the WEEE directive.
Correct disposal avoids negative effects on humans and the environment and ensures recycling of useful raw materials.
Materials: see chapter "Technical data"
If you have no way to dispose of the old instrument properly, please
contact us concerning return and disposal.
16 VEG
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9 Sup
plement
9 Supp
lement
9.1 Technical data
General data
Parameter, pressure Gauge pressure
Measuring principle Ceramic-capacitive, dry measuring cell
Communication interface Standard interface
Materials and weights
Materials, wetted parts
- Process fitting 316L
- Diaphragm sapphire ceramic
- Measuring cell seal FKM
Materials, non-wetted parts
- Electronics housing 316L
- Connection terminals PA
- Ohmic contact Between ground terminal, housing and process
fitting
Torque max. 20 Nm (14.75 lbf ft)
Weight approx. 0.1 kg (0.22 lbs)
Output variable
Output signal 4 … 20 mA
Fault signal 3,6 mA
Max. output current 22 mA
Step response time 160 ms (0 … 63 % )
®
(99.9 % oxide ceramic)
Input variable
Adjustment
Adjustment range of the zero/span adjustment relating to the nominal measuring range:
- zero -20 … +20 %
- span 20 … +120 %
Max. turn down 5 : 1
Nominal measuring ranges and overload resistance
The overload specifications are only an overview and refer to the measuring cell. Limitations by
material and process fitting version are possible. The specifications on the type label are
applicable.
35544-EN-110616
VEGABAR 12 17
9 Suppl
ement
range Overload capacity, max.
Nominal
Gauge pressure
0 … 1 bar/0 … 100 kPa 35 bar/3500 kPa -1 bar/-100 kPa
0 … 2.5 bar/0 … 250 kPa 50 bar/5000 kPa -1 bar/-100 kPa
0 … 4 bar/0 … 400 kPa 65 bar/6500 kPa -1 bar/-100 kPa
Absolute pressure
0 … 1,6 bar/0 … 160 kPa 50 bar/5000 kPa -1 bar/-100 kPa
0 … 2.5 bar/0 … 250 kPa 50 bar/5000 kPa -1 bar/-100 kPa
0 … 4 bar/0 … 400 kPa 65 bar/6500 kPa -1 bar/-100 kPa
pressure
Overload capacity, min.
pressure
Reference conditions and actuating variables (similar to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
- Temperature +15 … +25 °C (+59 … +77 °F)
- Relative humidity 45 … 75 %
- Air pressure 860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psi)
Determination of characteristics Limit point adjustment according to IEC 61298-2
Characterstic curve Linear
Reference installation position upright, diaphragm points downward
Influence of the installation position < 0.2 mbar/20 Pa (0.003 psig)
Deviation determined according to the limit point method according to IEC 60770
1)
Deviation < 0.5 %
Influence of the ambient temperature
Average temperature coefficient of the zero
3)
signal
2)
< 0.15 %/10 K
Long-term stability (similar to DIN 16086, DINV 19259-1 and IEC 60770-1)
Long-term drift of the zero signal
4)
< 0.1 %/2 years
Ambient conditions
Ambient, storage and transport temperature -20 … +85 °C (-4 … +185 °F)
Process conditions
Product temperature -20 … +85 °C (-4 … +185 °F)
1)
Relating
non-reproducibility.
2)
Relating to
3)
In the
reference temperature 20 °C (68 °F).
4)
Relating
the nominal measuring range, incl. non-linearity, hysteresis and
to
the nominal measuring range.
compensated temperature range of 0 … +80 °C (+32 … +176 °F),
to
the nominal measuring range.
18 VEG
35544-EN-110616
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9 Sup
plement
ation resistance mechanical vibrations with 4 g and 5 … 100 Hz
Vibr
Electromechanical data
Screw terminals for cable cross-section up to 1.5 mm² (AWG 16)
Voltage supply
Operating voltage 8 … 30 V DC
Permissible residual ripple U
ss
< 1 V
Load see diagram
Electrical protective measures
Protection rating
6)
IP 20
Protection class III
Overvoltage category III
5)
5)
Tested according
6)
According to EN 60529/IEC 529.
to the guidelines of German Lloyd, GL directive 2.
35544-EN-110616
VEGABAR 12 19
63 mm (2.48")
57,5 mm (2.26")
10 mm
(0.39")
max. 6,5 mm
(0.26")
SW/SWS 24
(0.95")
G 1/8
ø 26 mm
(1.02")
9 Suppl
9.2 D
ement
imensions
VEGABAR 12
Fig. 3: Dimensions VEGABAR 12
20 VEG
35544-EN-110616
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9 Sup
plement
9.3 Indus
VEGA product lines are global protected by industrial property rights.
Further information see http://www.vega.com.
Only in U.S.A.: Further information see patent label at the sensor
housing.
VEGA Produktfamilien sind weltweit geschützt durch gewerbliche
Schutzrechte.
Nähere Informationen unter http://www.vega.com.
Les lignes de produits VEGA sont globalement protégées par des
droits de propriété intellectuelle.
Pour plus d'informations, on pourra se référer au site http://www.vega.
com.
VEGA lineas de productos están protegidas por los derechos en el
campo de la propiedad industrial.
Para mayor información revise la pagina web http://www.vega.com.
Линии продукции фирмы ВЕГА защищаются по всему миру
правами на интеллектуальную собственность.
Дальнейшую информацию смотрите на сайте http://www.vega.com.
VEGA系列产品在全球享有知识产权保护。
进一步信息请参见网站<http://www.vega.com>。
trial property rights
9.4 Trademark
All the brands as well as trade and company names used are property
of their lawful proprietor/originator.
35544-EN-110616
VEGABAR 12 21
9 Suppl
ement
22 VEG
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plement
35544-EN-110616
VEGABAR 12 23
VEGA Grieshaber KG
ISO 9001
Am Hohenstein 113
77761 Schiltach
Germany
Phone +49 7836 50-0
Fax +49 7836 50-201
E-mail: info@de.vega.com
www.vega.com
Printing date:
statements concerning scope of delivery, application,
All
practical use and operating conditions of the sensors and
processing systems correspond to the information avail-
able at the time of printing.
© VEGA Grieshaber KG, Schiltach/Germany 2011
Subject to change without prior notice 35544-EN-110616
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