Vega VEGAPULS C 11 Operating instructions

Brand: Vega

Model: VEGAPULS C 11

Type: Operating instructions

Operating Instructions

Radar sensor for continuous level

measurement

VEGAPULS C 11

Two-wire 4 … 20 mA

Document ID: 58340

Contents

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

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 Modes for worldwide use.................................................................................................. 6

2.6 Installation and operation in the USA and Canada ........................................................... 6

3 Product description ................................................................................................................. 7

3.1 Conguration .................................................................................................................... 7

3.2 Principle of operation........................................................................................................ 9

3.3 Adjustment ....................................................................................................................... 9

3.4 Packaging, transport and storage ..................................................................................... 9

3.5 Accessories.................................................................................................................... 10

4 Mounting ................................................................................................................................. 11

4.1 General instructions ....................................................................................................... 11

4.2 Mounting versions .......................................................................................................... 11

4.3 Mounting instructions ..................................................................................................... 12

4.4 Measurement setup - Flow ............................................................................................. 15

5 Connecting to power supply ................................................................................................. 18

5.1 Preparing the connection ............................................................................................... 18

5.2 Wiring plan ..................................................................................................................... 18

5.3 Switch-on phase............................................................................................................. 18

6 Access protection .................................................................................................................. 19

6.1 Bluetooth radio interface ................................................................................................ 19

6.2 Protection of the parameterization .................................................................................. 19

6.3 Storing the codes in myVEGA ........................................................................................ 20

7 Setup with smartphone/tablet (Bluetooth) .......................................................................... 21

7.1 Preparations ................................................................................................................... 21

7.2 Connecting ..................................................................................................................... 21

7.3 Parameter adjustment .................................................................................................... 22

8 Setup with PC/notebook (Bluetooth) ................................................................................... 23

8.1 Preparations ................................................................................................................... 23

8.2 Connecting ..................................................................................................................... 23

8.3 Parameter adjustment .................................................................................................... 24

9 Adjustment menu ................................................................................................................... 25

9.1 Menu overview ............................................................................................................... 25

9.2 Description of the applications ....................................................................................... 27

10 Diagnostics and servicing .................................................................................................... 31

10.1 Maintenance .................................................................................................................. 31

10.2 Rectify faults ................................................................................................................... 31

Contents

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

10.3 Diagnosis, fault messages ............................................................................................. 32

10.4 Status messages according to NE 107 .......................................................................... 32

10.5 Treatment of measurement errors .................................................................................. 34

10.6 Software update ............................................................................................................. 38

10.7 How to proceed if a repair is necessary .......................................................................... 39

11 Dismount................................................................................................................................. 40

11.1 Dismounting steps.......................................................................................................... 40

11.2 Disposal ......................................................................................................................... 40

12 Certicatesandapprovals .................................................................................................... 41

12.1 Radio licenses ................................................................................................................ 41

12.2 EU conformity ................................................................................................................. 41

12.3 NAMUR recommendations ............................................................................................ 41

12.4 Environment management system ................................................................................. 41

13 Supplement ............................................................................................................................ 42

13.1 Technical data ................................................................................................................ 42

13.2 Dimensions .................................................................................................................... 48

13.3 Industrial property rights ................................................................................................. 49

13.4 Licensing information for open source software ............................................................. 49

13.5 Trademark ...................................................................................................................... 49

Safety instructions for Ex areas

TakenoteoftheExspecic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: 2021-03-09

1 About this document

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

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rectication,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qualied

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.

2 For your safety

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

2 For your safety

2.1 Authorised personnel

All operations described in this documentation must be carried out

onlybytrained,qualied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

VEGAPULS C 11 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.

2.3 Warning about incorrect use

Inappropriate or incorrect use of this product can give rise to applica-

tion-specichazards,e.g.vesseloverll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modicationsareexplicitlyforbidden.Forsafety

reasons,onlytheaccessoryspeciedbythemanufacturermustbe

used.

To avoid any danger, the safety approval markings and safety tips on

the device must also be observed.

The low transmitting power of the radar sensor is far below the inter-

nationally approved limits. No health impairments are to be expected

with intended use. The band range of the measuring frequency can

be found in chapter " Technical data".

2 For your safety

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

2.5 Modes for worldwide use

Countryspecicsettingsfortheradarsignalsaredeterminedviathe

operating mode. The operating mode must be set in the operating

menu via the respective adjustment tool at the beginning of the setup

(see chapter " Setup" resp. " Menu overview".

Caution:

Operating the device without selecting the appropriate country group

constitutes a violation of the regulations of the radio approvals of the

respective country.

Further information can be found in the document " Regulations for

radar level measuring instruments with radio licenses" on our home-

page.

2.6 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.

3 Product description

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

3 Product description

3.1 Conguration

The scope of delivery encompasses:

•

Radar sensor

•

Counter nut G1

•

Information sheet " Documents and software" with:

– Instrument serial number

– QR code with link for direct scanning

•

Information sheet " PINs and Codes" (with Bluetooth versions)

with:

– Bluetooth access code

•

Information sheet " Access protection" (with Bluetooth versions)

with:

– Bluetooth access code

– Emergency Bluetooth unlock code

– Emergency device code

The further scope of delivery encompasses:

•

Documentation

– Ex-specic"Safety instructions" (with Ex versions)

– Radio licenses

– Ifnecessary,furthercerticates

Note:

Optional instrument features are also described in this operating

instructions manual. The respective scope of delivery results from the

orderspecication.

This operating instructions manual applies to the following instrument

versions:

•

Hardware version from 1.0.0

•

Software version from 1.2.0

Scope of delivery

Scope of this operating

instructions

With G thread

3 Product description

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

Fig. 1: Components of VEGAPULS C 11

1 Radar antenna

2 Processtting

3 Electronics housing

4 Counter nut

5 Mounting thread

6 Connection cable

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

use of the instrument.

0044

12...35V

4...20mA

www.vega.com

D-77761 SCHILTACH,

Made in Germany

VEGAPULS C 1.

RA - 222 2N 123

s/n 12345678

0...8m IP66/IP68, TYPE 6P

MWP 3bar (300kPa)

PVDF

L=5m

1½ NPT / 1 NPT

123456

Fig. 2: Layout of the type label (example)

1 Instrument type

2 Field for approvals

3 Technical data

4 QR code for device documentation

5 Bluetooth access code

6 Order number

Move to " www.vega.com"andenterinthesearcheldtheserial

number of your instrument.

Thereyoucanndthefollowinginformationabouttheinstrument:

•

Order data

•

Documentation

•

Software

Alternatively,youcanndallviayoursmartphone:

•

Scan the QR-code on the type label of the device or

•

Enter serial number manually in the VEGA Tools app (available

free of charge in the respective stores)

Constituent parts

Type label

Documents and software

3 Product description

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

3.2 Principle of operation

VEGAPULS C 11 is a radar sensor for non-contact, continuous level

measurement. It is suitable for liquids and solids in practically all

industries.

The instrument emits a continuous, frequency-modulated radar signal

throughitsantenna.Theemittedsignalisreectedbythemedium

andreceivedbytheantennaasanechowithmodiedfrequency.The

frequency change is proportional to the distance and is converted into

the level.

3.3 Adjustment

Devices with integrated Bluetooth module can be adjusted wirelessly

via standard adjustment tools:

•

Smartphone/tablet (iOS or Android operating system)

•

PC/notebook with Bluetooth USB adapter (Windows operating

system)

Fig. 3: Wireless connection to standard operating devices with integrated

Bluetooth LE

1 Sensor

2 Smartphone/Tablet

3 PC/Notebook

3.4 Packaging, transport and storage

Your instrument was protected by packaging during transport. Its

capacity to handle normal loads during transport is assured by a test

based on ISO 4180.

The packaging consists of environment-friendly, recyclable card-

board. For special versions, PE foam or PE foil is also used. Dispose

of the packaging material via specialised recycling companies.

Transport must be carried out in due consideration of the notes on the

transport packaging. Nonobservance of these instructions can cause

damage to the device.

Application area

Functional principle

Wireless adjustment

Packaging

Transport

3 Product description

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

The delivery must be checked for completeness and possible transit

damage immediately at receipt. Ascertained transit damage or con-

cealed 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:

•

Not in the open

•

Dry and dust free

•

Not exposed to corrosive media

•

Protected against solar radiation

•

Avoiding mechanical shock and vibration

•

Storage and transport temperature see chapter " Supplement -

Technical data - Ambient conditions"

•

Relative humidity 20 … 85 %

3.5 Accessories

Screwedangesareavailableindierentversionsaccordingtothe

following standards: DIN 2501, EN 1092-1, BS 10, ASME B 16.5,

JIS B 2210-1984, GOST 12821-80.

Welded sockets are used to connect the devices to the process.

Threaded adapters enable simple adaptation of devices with stand-

ardthreadedttings,e.g.toprocess-sidehygieneconnections.

The mounting accessories are used for stable mounting of the device

at the measuring point. The parts are available in various versions and

sizes.

Transport inspection

Storage

Storage and transport

temperature

Flanges

Welded sockets and

adapters

Mounting strap

4 Mounting

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

4 Mounting

4.1 General instructions

The instrument is suitable for standard and extended ambient condi-

tions acc. to DIN/EN/IEC/ANSI/ISA/UL/CSA 61010-1. It can be used

indoors as well as outdoors.

Note:

For safety reasons, the instrument must only be operated within the

permissibleprocessconditions.Youcannddetailedinformationon

the process conditions in chapter " Technical data" of the operating

instructions or on the type label.

Hence make sure before mounting that all parts of the instrument ex-

posed to the process are suitable for the existing process conditions.

These are mainly:

•

Active measuring component

•

Processtting

•

Process seal

Process conditions in particular are:

•

Process pressure

•

Process temperature

•

Chemical properties of the medium

•

Abrasionandmechanicalinuences

4.2 Mounting versions

For a rigid mounting, a mounting bracket with opening for thread G1

is recommended. The mounting of the device in the bracket is carried

out via the supplied G1 counter nut of plastic. Take note of chapter "

Mounting instructions" for the recommended distance to the wall.

> 200 mm

(7.87

Fig. 4: Mounting via a mounting bracket

Ambient conditions

Process conditions

Mounting bracket

4 Mounting

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

4.3 Mounting instructions

Radar sensors for level measurement emit electromagnetic waves.

The polarization is the direction of the electrical component of these

waves.

The position of the polarisation is in the middle of the type label on the

instrument.

Fig. 5: Position of the polarisation

1 Middle of the type label

Note:

When the device is rotated, the direction of polarization changes and

hencetheinuenceofthefalseechoonthemeasuredvalue.Please

keep this in mind when mounting or making changes later.

When mounting the device, keep a distance of at least 200 mm

(7.874 in) from the vessel wall. If the device is installed in the center

of dished or round vessel tops, multiple echoes can arise. However,

these can be suppressed by an appropriate adjustment (see chapter

" Setup").

If you cannot maintain this distance, you should carry out a false

signal suppression during setup. This applies particularly if buildup on

the vessel wall is expected. In such cases, we recommend repeating

the false signal suppression at a later date with existing buildup.

> 200 mm

(7.87

Fig. 6: Mounting of the radar sensor on round vessel tops

In vessels with conical bottom it can be advantageous to mount the

device in the centre of the vessel, as measurement is then possible

down to the bottom.

Polarisation

Installation position

4 Mounting

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

Fig. 7: Mounting of the radar sensor on vessels with conical bottom

The centre of the antenna lens is the beginning of the measuring

range and at the same time the reference plane for the min./max.

adjustment, see following diagram:

Fig. 8: Reference plane

1 Reference plane

Donotmounttheinstrumentsinorabovethellingstream.Makesure

thatyoudetectthemediumsurface,nottheinowingproduct.

Fig.9:Mountingoftheradarsensorwithinowingmedium

For nozzle mounting, the nozzle should be as short as possible and

itsendrounded.Thisreducesfalsereectionsfromthenozzle.

With threaded socket, the antenna end should protrude at least 5 mm

(0.2 in) out of the socket.

Reference plane

Inowingmedium

Nozzle

4 Mounting

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

ca. 5 mm

Fig. 10: Recommended threaded socket mounting of VEGAPULS C 11

Ifthereectivepropertiesofthemediumaregood,youcanmount

VEGAPULS C 11 on sockets longer than the antenna. The socket end

should be smooth and burr-free, if possible also rounded.

Note:

When mounting on longer nozzles, we recommend carrying out a

false signal suppression (see chapter " Parameter adjustment").

Youwillndrecommendedvaluesforsocketheightsinthefollowing

illustration or the table. The values come from typical applications.

Deviating from the proposed dimensions, also longer sockets are

possible, however the local conditions must be taken into account.

Fig. 11: Socket mounting with deviating socket dimensions

Socket diameter d Socket length h

40 mm 1½" ≤150mm ≤5.9in

50 mm 2" ≤200mm ≤7.9in

80 mm 3" ≤300mm ≤11.8in

100 mm 4" ≤400mm ≤15.8in

150 mm 6" ≤600mm ≤23.6in

The mounting location of the radar sensor should be a place where no

otherequipmentorxturescrossthepathoftheradarsignals.

Vessel installations, such as e.g. ladders, limit switches, heating spi-

rals, struts, etc., can cause false echoes and impair the useful echo.

Make sure when planning your measuring point that the radar sensor

has a " clear view" to the measured product.

In case of existing vessel installations, a false signal suppression

should be carried out during setup.

If large vessel installations such as struts or supports cause false

echoes, these can be attenuated through supplementary measures.

Small,inclinedsheetmetalbaesabovetheinstallations"scatter"

theradarsignalsandpreventdirectinterferingreections.

Vessel installations

4 Mounting

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

Fig.12:Coverat,large-areaproleswithdeectors

In liquids, direct the device as perpendicular as possible to the me-

dium surface to achieve optimum measurement results.

Fig. 13: Alignment in liquids

If there are agitators in the vessel, a false signal suppression should

be carried out with the agitators in motion. This ensures that the

interferingreectionsfromtheagitatorsaresavedwiththebladesin

dierentpositions.

Fig. 14: Agitators

Throughtheactionoflling,stirringandotherprocessesinthevessel,

compact foams which considerably damp the emitted signals may

form on the medium surface.

If foams lead to measurement errors, you should use the biggest pos-

sible radar antennas or sensors with guided radar.

4.4 Measurement setup - Flow

In general, the following must be observed while mounting the device:

Orientation

Agitators

Foam generation

Mounting

4 Mounting

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

•

Mounting the sensor on the upstream or inlet side

•

Installationinthecentreoftheumeandverticaltotheliquid

surface

•

DistancetotheoverfalloriceorVenturiume

•

Min. distance to the max. height of damming for optimum accu-

racy: 250 mm (9.843 in)

Everyumegeneratesadierentlevelofbackwaterdependingonits

typeandversion.Thespecicationsofthefollowingumesareavail-

able in the instrument:

Predenedcurves

Aowmeasurementwiththesestandardcurvesisveryeasytoset

up,asnodimensionalinformationoftheumeisrequired.

•

Palmer-Bowlusume(Q=kxh

1.86

)

•

Venturi,trapezoidalweir,rectangularume(Q=kxh

1.5

)

•

V-Notch,triangularoverfall(Q=kxh

2.5

)

Dimensions (ISO standard)

Whenselectingthesecurves,thedimensionsoftheumemustbe

known and entered via the assistant. As a result, the accuracy of the

owmeasurementishigherthanwiththespeciedcurves.

•

Rectangularume(ISO4359)

•

Trapezoidalume(ISO4359)

•

U-shapedume(ISO4359)

•

Triangular overfall thin-walled (ISO 1438)

•

Rectangularumethin-walled(ISO1438)

•

Rectangular weir broad crown (ISO 3846)

Flow formula

Iftheowformulaofyourumeisknown,youshouldselectthisop-

tion,astheaccuracyoftheowmeasurementishighesthere.

•

Flowformula:Q=kxh

exp

Manufacturerdenition

IfyouuseaParshallumefromthemanufacturerISCO,thisoption

mustbeselected.Thisgivesyouahighaccuracyofowmeasure-

mentwitheasyconguration.

Alternatively, you can also take over Q/h table values provided by the

manufacturer here.

•

ISCOParshallume

•

Q/htable(assignmentofheightwithcorrespondingowinatable)

Detailed project planning data can be found at the channel manufac-

turers and in the technical literature.

Thefollowingexamplesserveasanoverviewforowmeasurement.

Flume

At smaller distances the measuring accuracy is reduced, see "Technical

data".

4 Mounting

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

3 ... 4 h

max

90°

max

≥ 2 x h

max

90°

42 3

≥ 250 mm

(

9.84")

≥ 250 mm

(

9.84")

Fig.15:Flowmeasurementwithrectangularume:h

max.

=max.llingofthe

rectangularume

1 Overfallorice(sideview)

2 Upstream water

3 Tailwater

4 Overfallorice(viewfromtailwater)

3 ... 4 x h

max

90°

max

≥ 250 mm

(

9.84")

Fig.16:FlowmeasurementwithKhafagi-Venturiume:h

max.

=max.llingofthe

ume;B=tightestconstrictionintheume

1 Position sensor

2 Venturiume

Rectangular overfall

Khafagi-Venturiume

5 Connecting to power supply

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

5 Connecting to power supply

5.1 Preparing the connection

Always keep in mind the following safety instructions:

•

Carryoutelectricalconnectionbytrained,qualiedpersonnel

authorised by the plant operator

Warning:

Only connect or disconnect in de-energized state.

Thedataforpowersupplyarespeciedinchapter"Technical data".

Note:

Power the instrument via an energy-limited circuit (power max. 100 W)

acc. to IEC 61010-1, e.g.

•

Class 2 power supply unit (acc. to UL1310)

•

SELV power supply unit (safety extra-low voltage) with suitable

internal or external limitation of the output current

Keepinmindthefollowingadditionalfactorsthatinuencetheoperat-

ing voltage:

•

Lower output voltage of the power supply unit under nominal load

(e.g. with a sensor current of 20.5 mA or 22 mA in case of fault)

•

Inuenceofadditionalinstrumentsinthecircuit(seeloadvaluesin

chapter " Technical data")

Thedeviceissuppliedwithaxedconnectedcable.Ifanextensionis

required, a standard two-wire cable can be used.

5.2 Wiring plan

Fig. 17: Wire assignment in permanently connected connection cable

Wire colour Function Polarity

1 Brown Voltage supply, signal output Plus (+)

2 Blue Voltage supply, signal output Minus (-)

5.3 Switch-on phase

After connection to the power supply, the device carries out a self-

test:

•

Internal check of the electronics

•

Output signal is set to failure

The current measured value is then output on the signal cable.

Safety instructions

Voltage supply

Connection cable

Wire assignment, con-

nection cable

6 Access protection

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

6 Access protection

6.1 Bluetooth radio interface

Devices with a Bluetooth radio interface are protected against un-

wanted access from outside. This means that only authorized persons

can receive measured and status values and change device settings

via this interface.

A Bluetooth access code is required to establish Bluetooth com-

munication via the adjustment tool (smartphone/tablet/notebook).

This code must be entered once when Bluetooth communication is

establishedforthersttimeintheadjustmenttool.Itisthenstoredin

the adjustment tool and does not have to be entered again.

The Bluetooth access code is individual for each device. It is printed

on the device housing and is also supplied with the device in the infor-

mation sheet " PINs and Codes". It can be changed by the user after

therstconnectionhasbeenestablished.IftheBluetoothaccess

code has not been entered correctly, a new entry can only be made

after a waiting period has elapsed. The waiting time increases with

each additional incorrect entry.

The emergency Bluetooth access code enables Bluetooth communi-

cation to be established in the event that the Bluetooth access code

is no longer known. It can't be changed. The emergency Bluetooth

access code can be found in information sheet " Access protection".

If this document is lost, the emergency Bluetooth access code can

be retrieved from your personal contact person after legitimation.

The storage and transmission of Bluetooth access codes is always

encrypted (SHA 256 algorithm).

6.2 Protection of the parameterization

The settings (parameters) of the device can be protected against un-

wanted changes. The parameter protection is deactivated on delivery,

all settings can be made.

To protect the parameterization, the device can be locked by the user

with the aid of a freely selectable device code. The settings (param-

eters) can then only be read out, but not changed. The device code

is also stored in the adjustment tool. However, unlike the Bluetooth

access code, it must be re-entered for each unlock. When using the

adjustment app or DTM, the stored device code is then suggested to

the user for unlocking.

The emergency device code allows unlocking the device in case the

device code is no longer known. It can't be changed. The emergency

device code can also be found on the supplied information sheet " Ac-

cess protection". If this document is lost, the emergency device code

can be retrieved from your personal contact person after legitimation.

The storage and transmission of the device codes is always encrypt-

ed (SHA 256 algorithm).

Bluetooth access code

Emergency Bluetooth

unlock code

Device code

Emergency device code

6 Access protection

VEGAPULS C 11 • Two-wire 4 … 20 mA

58340-EN-210318

6.3 Storing the codes in myVEGA

If the user has a " myVEGA" account, then the Bluetooth access code

as well as the device code are additionally stored in his account under

" PINs and Codes".Thisgreatlysimpliestheuseofadditionaladjust-

ment tools, as all Bluetooth access and device codes are automati-

cally synchronized when connected to the " myVEGA" account

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Vega VEGAPULS C 11 Operating instructions

Vega VEGAPULS C 11 Operating instructions

Vega VEGAPULS C 11 Operating instructions

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