Vega VEGABAR 82 Bedienungsanleitung

Quick setup guide

Pressure transmitter with ceramic

measuring cell

VEGABAR 82

Slave sensor for electronic differential pres-

sure

Document ID: 46332

Contents

VEGABAR 82 • Slave sensor for electronic dierential pressure

46332-EN-160212

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 Permissible process pressure .......................................................................................... 4

1.7 Environmental instructions ............................................................................................... 4

2 Product description

2.1 Conguration.................................................................................................................... 5

3 Mounting

3.1 General instructions for use of the instrument .................................................................. 6

3.2 Ventilation and pressure compensation............................................................................ 6

3.3 Combination Master - Slave ............................................................................................. 6

4 Connecting to power supply

4.1 Connecting....................................................................................................................... 9

4.2 Single chamber housing................................................................................................. 10

4.3 Connection example ...................................................................................................... 11

5 Set up with the display and adjustment module

5.1 Parameter adjustment - Quick setup .............................................................................. 12

5.2 Parameter adjustment - Extended adjustment................................................................ 15

6 Supplement

6.1 Technical data ................................................................................................................ 19

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 VEGABAR 82 - Slave sensor for elec-

tronic dierential pressure: Document-ID 45050

Editing status of the quick setup guide: 2016-02-04

1 For your safety

VEGABAR 82 • Slave sensor for electronic dierential pressure

46332-EN-160212

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

VEGABAR 82 is a slave sensor for electronic dierential pressure

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. Also the pro-

tective characteristics of the instrument can be inuenced.

1.4 General safety instructions

This is a high-tech instrument requiring the strict observance of stand-

ard regulations and guidelines. The user must take note of the safety

instructions in this operating instructions manual, the country-specic

installation standards as well as all prevailing safety regulations and

accident prevention rules.

The instrument must only be operated in a technically awless and

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

compliance of the necessary occupational safety measures with the

current valid rules and regulations and also take note of new regula-

tions.

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.

1 For your safety

VEGABAR 82 • Slave sensor for electronic dierential pressure

46332-EN-160212

1.6 Permissible process pressure

The permissible process pressure is specied on the type label with

"Process pressure", see chapter "Conguration". For safety reasons,

this range may not be exceeded. This applies even if a measuring cell

with a measuring range (order-related) higher than the permissible

pressure range of the process tting is installed.

1.7 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"

2 Product description

VEGABAR 82 • Slave sensor for electronic dierential pressure

46332-EN-160212

2 Product description

2.1 Conguration

The type label contains the most important data for identication and

use of the instrument:

Fig. 1: Layout of the type label (example)

1 Instrument type

2 Product code

3 Field for approvals

4 Power supply and signal output, electronics

5 Protection rating

6 Measuring range

7 Permissible process pressure

8 Material, wetted parts

9 Order number

10 Serial number of the instrument

11 Data-Matrix-Code for smartphone app

12 Symbol of the device protection class

13 ID numbers, instrument documentation

14 Reminder to observe the instrument documentation

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:

• 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

Type label

Serial number - Instru-

ment search

3 Mounting

VEGABAR 82 • Slave sensor for electronic dierential pressure

46332-EN-160212

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 mainly to outdoor installations, in areas where humidity is

expected (e.g. through cleaning processes) and on cooled or heated

vessels.

3.2 Ventilation and pressure compensation

The lter element is mounted into the electronics housing. It has the

following functions:

• Ventilation of the electronics housing

• Atmospheric pressure compensation (with relative pressure meas-

uring ranges)

→ Turn the housing so that the lter element points downward after

the instrument is installed. This provides better protection against

buildup.

1 2 3

4 4 4

Fig. 2: Position of the lter element - non-Ex, Ex-ia version

1 Housing plastic, stainless steel precision casting

2 Housing aluminium

3 Housing stainless steel, electropolished

4 Filter element

With the following instruments a blind plug is installed instead of the

lter element:

• Instruments in protection IP 66/IP 68 (1 bar) - ventilation via capil-

laries in non-detachable cable

• Instruments with absolute pressure

3.3 Combination Master - Slave

In principle, any sensor combination within the VEGABAR 80 series is

allowed. The following requirements must be fullled:

Protection against mois-

ture

Instruments in non-Ex

and Ex-ia version

3 Mounting

VEGABAR 82 • Slave sensor for electronic dierential pressure

46332-EN-160212

• Conguration, Master sensor suitable for electronic dierential

pressure

• Pressure type is identical for both sensors, i.e. relative pressure/

relative pressure or absolute pressure/absolute pressure

• Master sensor measures the higher pressure

• Measurement setup as shown in the following chapters

The measuring range of each sensor is selected such that it ts the

measuring loop. For this, the max. recommended turn down must be

noted. See chapter "Technical data". It is absolutely necessary the the

measuring ranges of Master and Slave correspond.

Measurement result = Measured value of Master (total pres-

sure) - measured value of Slave (static pressure)

Depending on the application, individual combinations can result, see

following examples:

Data

Application: Level measurement

Medium: Water

Vessel height: 12 m, hydrostatic pressure = 12 m x 1000 kg/m3x

9.81 m/s2 = 117.7 kPa = 1.18 bar

Superimposed pressure: 1 bar

Total pressure: 1.18 bar + 1 bar = 2.18 bar

Instrument selection

Nominal measuring range Master: 2.5 bar

Nominal measuring range Slave: 1 bar

Turn Down: 2.5 bar/1.18 bar = 2.1 : 1

Data

Application: Level measurement

Medium: Water

Vessel height: 500 mm, hydrostatic pressure = 0.50 m x 1000 kg/m3x

9.81 m/s2 = 4.9 kPa = 0.049 bar

Superimposed pressure: 350 mbar = 0.35 bar

Total pressure: 0.049 bar + 0.35 bar = 0.399 bar

Instrument selection

Nominal measuring range Master: 0.4 bar

Nominal measuring range Slave: 0.4 bar

Turn Down: 0.4 bar /0.049 bar = 8.2 : 1

Data

Application: Dierential pressure measurement

Medium: Gas

Static pressure: 0.8 bar

Dierential pressure on orice: 50 mbar bar = 0.050 bar

Total pressure: 0.8 bar bar + 0.05 bar = 0.85 bar

Example - large vessel

Example - small vessel

Example - orice in

pipeline

3 Mounting

VEGABAR 82 • Slave sensor for electronic dierential pressure

46332-EN-160212

Instrument selection

Nominal measuring range Master: 1 bar

Nominal measuring range Slave: 1 bar

Turn Down: 1 bar/0.050 bar = 20 : 1

The measuring result (level, pressure dierence) as well as measured

value Slave (static or superimposed pressure) are outputted by the

sensor. Depending on the instrument version, output as 4 … 20 mA

signal or digitally via HART, Probus PA or Foundation Fieldbus.

Output measured values

4 Connecting to power supply

VEGABAR 82 • Slave sensor for electronic dierential pressure

46332-EN-160212

4 Connecting to power supply

4.1 Connecting

The connection to the Master sensor is carried out through spring-

loaded terminals in the respective housing. For this, use the supplied,

confectioned cable. Solid cores as well as exible cores with cable

end sleeves are inserted 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.

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.

You can nd further information on the max. wire cross-section under

"Technical data/Electromechanical data"

Proceed as follows:

1. Unscrew the housing lid

2. Loosen compression nut of the cable gland and remove blind

plug

3. Remove approx. 10 cm (4 in) of the cable mantle, strip approx.

1 cm (0.4 in) insulation from the individual wires or use supplied

connection cable

4. Insert the cable into the sensor through the cable entry

Fig. 3: Connection steps 5 and 6

5. Insert the wire ends into the terminals according to the wiring plan

6. Check the hold of the wires in the terminals by lightly pulling on

them

Connection technology

Connection procedure

4 Connecting to power supply

VEGABAR 82 • Slave sensor for electronic dierential pressure

46332-EN-160212

7. Connect the screen to the internal ground terminal, connect the

external ground terminal to potential equalisation

8. Tighten the compression nut of the cable entry gland. The seal

ring must completely encircle the cable

9. Unscrew the blind plug on the Master, screw in the supplied cable

gland

10. Connection cable to Master, see steps 3 to 8

11. Screw the housing lid back on

The electrical connection is nished.

4.2 Single chamber housing

The following illustration applies to the non-Ex, Ex-ia and Ex-d-ia

version.

5678 4

connect to Master

Fig. 4: Wiring plan VEGABAR 82 Slave sensor

1 To the Master sensor

2 Ground terminal for connection of the cable screen1)

Electronics and terminal

compartment

1) Connect screen here. Connect ground terminal on the outside of the housing

to ground as prescribed. The two terminals are galvanically connected.

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