Page 1
Operating Instructions
VEGAWAVE 61
- two-wire
Document ID:
32250
Vibration
Page 2
Contents
Contents
1 About this document
1.1 Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Target group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Symbolism used . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 For your safety
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 Safety label on the instrument . . . . . . . . . . . . . . . . . .
2.7 CE conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.8 SIL conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.9 Safety instructions for Ex areas . . . . . . . . . . . . . . . . .
2.10 Environmental instructions. . . . . . . . . . . . . . . . . . . . .
3 Product description
3.1 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Principle of operation . . . . . . . . . . . . . . . . . . . . . . . .
3.3 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4 Storage and transport . . . . . . . . . . . . . . . . . . . . . . . .
4 Mounting
4.1 General instructions . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Instructions for installation . . . . . . . . . . . . . . . . . . . . .
4
4
4
5
5
5
5
6
6
6
6
6
6
7
8
8
9
10
11
5 Connecting to power supply
5.1 Preparing the connection . . . . . . . . . . . . . . . . . . . . .
5.2 Connection procedure. . . . . . . . . . . . . . . . . . . . . . . .
5.3 Wiring plan, single chamber housing . . . . . . . . . . . . .
5.4 Wiring plan - version IP 66/IP 68, 1 bar . . . . . . . . . . .
6 Set up
6.1 General information . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 Adjustment elements . . . . . . . . . . . . . . . . . . . . . . . .
6.3 Function chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4 Recurring test and function test (SIL) . . . . . . . . . . . . .
7 Maintenance and fault rectification
7.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2 Remove interferences . . . . . . . . . . . . . . . . . . . . . . . .
7.3 Exchanging the electronics module . . . . . . . . . . . . . .
7.4 Instrument repair . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Dismounting
8.1 Dismounting steps . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 VEGAWAVE 61 • - two-wire
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30
32250-EN-120418
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9 Supplement
9.1 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents
31
35
Supplementary documentation
Information:
Supplementary documents appropriate to the ordered version come
with the delivery. You can find them listed in chapter "Product
description".
Instructions manuals for accessories and replacement parts
Tip:
To ensure reliable setup and operation of your VEGAWAVE 61, we
offer accessories and replacement parts. The corresponding documentations are:
l 32357 - External housing - VEGAWAVE
l 32356 - Electronics module VEGAWAVE series 60
l 34296 - Protective cover
Editing status: 2012-04-12
32250-EN-120418
VEGAWAVE 61 • - two-wire 3
Page 4
1 About this document
1 About 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 t he 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
Information, tip, note
This symbol indicates helpful additional information.
Caution: 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.
Ex applications
This symbol indicates special instructions for Ex applications.
l List
The dot set in front indicates a list with no implied sequence.
à Action
This arrow indicates a single action.
1 Sequence
Numbers set in front indicate successive steps in a procedure.
4 VEGAWAVE 61 • - two-wire
32250-EN-120418
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2 For your safety
2 For your safety
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
The VEGAWAVE 61 is a sensor for level detection.
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.
32250-EN-120418
VEGAWAVE 61 • - two-wire 5
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2 For your safety
2.5 Safety label on the instrument
The safety approval markings and safety tips on the device must be
observed.
2.6 Safety label on the instrument
The safety approval markings and safety tips on the device must be
observed.
2.7 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 "
www.vega.com".
2.8 SIL conformity
VEGAWAVE 61 meets the requirements to the functional safety
according to IEC 61508. Further information is available in the Safety
Manual "VEGAWAVE series 60".
2.9 Safety instructions for Ex areas
Please note the Ex-specific safety information for installation and
operation in Ex areas. These safety instructions are part of the
operating instructions manual and come with the Ex-approved
instruments.
2.10 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"
6 VEGAWAVE 61 • - two-wire
32250-EN-120418
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3 Product description
1
2
3
3.1 Structure
3 Product description
Scope of delivery
Constituent parts
Type label
The scope of delivery encompasses:
l VEGAWAVE 61 point level switch
l Documentation
- this operating instructions manual
- Safety Manual "Functional safety (SIL)" (optional)
- Supplementary instructions manual "Plug connector for level
sensors" (optional)
- Ex-specific "Safety instructions" (with Ex versions)
- if necessary, further certificates
The VEGAWAVE 61 consists of the components:
l Housing cover
l Housing with electronics
l Process fitting with tuning fork
Fig. 1: VEGAWAVE 61 - with plastic housing
1 Housing cover
2 Housing with electronics
3 Process fitting
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 numbers, documentation
l SIL identification (with SIL rating ex works)
With the serial number, you can access the delivery data of the
instrument via
search". In addition to the type label outside, you can also find the
www.vega.com, "VEGA Tools" and "serial number
serial number on the inside of the instrument.
32250-EN-120418
VEGAWAVE 61 • - two-wire 7
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3 Product description
3.2 Principle of operation
Application area
Functional principle
VEGAWAVE 61 is a point level sensor with tuning fork for level
detection.
It is designed for industrial use in all areas of process technology and
is preferably used for bulk solids.
Typical applications are overfill and dry run protection. Thanks to its
simple and robust measuring system, VEGAWAVE 61 is virtually
unaffected by the chemical and physical properties of the bulk solid.
It also works when subjected to strong external vibrations or changing
products.
Solid detection in water
If VEGAWAVE 61 was ordered for solids detection in water, the tuning
fork is set to the density of water. In air or when immersed in water
(density: 1 g/cm³/0.036 lbs/in), VEGAWAVE 61 signals "uncovered".
Only when the vibrating element is also covered with solids (e.g. sand,
sludge, gravel etc.) will the sensor signal "covered".
Fault monitoring
The electronics module of VEGAWAVE 61 monitors continuously the
following criteria:
l Correct vibrating frequency
l Line break to the piezo drive
If one of these faults is detected, the electronics signals this via a
defined current to the signal conditioning instrument. The connection
cable to the vibrating element is also monitored.
The tuning fork is piezoelectrically energised and vibrates at its
mechanical resonance frequency of approx. 150 Hz. When the tuning
fork is submerged in the product, the vibration amplitude changes.
This change is detected by the integrated electronics module and
converted into a switching command.
Voltage supply
Depending on your requirements, VEGAWAVE 61 with two-wire
electronics can be connected to different signal conditioning instruments. Compatible signal conditioning instruments are listed in chapter
"Technical data".
The data for power supply are specified in chapter "Technical data".
3.3 Operation
With the factory setting, products with a density of > 0.02 g/cm³
(0.0008 lbs/in³) can be measured. The instrument can also be adapted
to products with lower density > 0.008 g/cm³ (0.0003 lbs/in³).
On the electronics module you will find the following indicating and
adjustment elements:
l Signal lamp for indication of the switching condition (green/red)
8 VEGAWAVE 61 • - two-wire
32250-EN-120418
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3 Product description
l Potentiometer for adaptation to the product density
l Mode changeover for selection of the output current
3.4 Storage and transport
Packaging
Transport
Transport inspection
Storage
Storage and transport
temperature
Your instrument 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. In addition, the sensor is provided with
a protective cover of cardboard. 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 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
l Storage and transport temperature see chapter "Supplement -
Technical data - Ambient conditions"
l Relative humidity 20 … 85 %
32250-EN-120418
VEGAWAVE 61 • - two-wire 9
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4 Mounting
4 Mounting
4.1 General instructions
Suitability for the process conditions
Switching point
Moisture
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" and on the
type label.
In general, VEGAWAVE 61 can be installed in any position. The
instrument only has to be mounted in such a way that the vibrating
element is at the height of the desired switching point.
Use the recommended cables (see chapter "Connecting to power
supply") and tighten the cable gland.
You can give your instrument additional protection against moisture
penetration by leading the connection cable downward in front of the
cable entry. Rain and condensation water can thus drain off. This
applies mainly to outdoor mounting as well as installation in areas
where high humidity is expected (e.g. through cleaning processes) or
on cooled or heated vessels.
Fig. 2: Measures against moisture penetration
Transport
Pressure/Vacuum
10 VEGAWAVE 61 • - two-wire
Do not hold VEGAWAVE 61 on the vibrating element. Especially with
flange and tube versions, the sensor can be damaged by the weight of
the instrument.
Remove the protective cover just before mounting.
The process fitting must be sealed if there is gauge or low pressure in
the vessel. Before use, check if the seal material is resistant against
the measured product and the process temperature.
32250-EN-120418
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20°
a.
b.
4 Mounting
The max. permissible pressure is specified in chapter "Technical data"
or on the type label of the sensor.
Handling
Socket
Filling opening
The vibrating level switch is a measuring instrument and must be
treated accordingly. Bending the vibrating element will destroy the
instrument.
Warning:
The housing must not be used to screw the instrument in! Applying
tightening force can damage internal parts of the housing.
Use the hexagon above the thread for scr ewing in.
4.2 Instructions for installation
The vibrating element should protrude into the vessel to avoid buildup.
For that reason, avoid using mounting bosses for flanges and screwed
fittings. This applies particularly to use with adhesive products.
Mount the instrument in such a way that the tuning fork does not
protrude directly into the filling stream.
32250-EN-120418
VEGAWAVE 61 • - two-wire 11
Fig. 3: Horizontal installation
a Protective sheet
b Concave protective sheet for abrasive solids
If such an installation location should be necessary, mount a suitable
protective sheet above or in front of the vibrating element, see
illustration "a").
In abrasive solids, mounting according to illustration "b" has proven. A
spout forms in the concave protective sheet preventing wear of the
protective sheet.
Page 12
20°
4 Mounting
Horizontal installation
Inflowing medium
To achieve a very precise switching point, you can install VEGAWAVE
61 horizontally. However, if the switching point can have a tolerance of
a few centimeters, we recommend mounting VEGAWAVE 61 approx.
20° inclined to the vessel bottom to avoid buildup.
Fig. 4: Horizontal installation
If VEGAWAVE 61 is mounted in the filling stream, unwanted false
measurement signals can be generated. For this reason, mount
VEGAWAVE 61 at a position in the vessel where no disturbances, e.g.
from filling openings, agitators, etc., can occur.
Flows
To minimise flow resistance caused by the tuning fork, VEGAWAVE
61 should be mounted in such a way that the surfaces of the blades
are parallel to the product movement.
12 VEGAWAVE 61 • - two-wire
32250-EN-120418
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1
2
Fig. 5: Flow orientation of the tuning fork
1
1 Marking with screwed version
2 Direction of flow
4 Mounting
Adhesive products
Baffle protection against
falling rocks
In case of horizontal mounting in adhesive products, the surfaces of
the tuning fork should be vertical in order to reduce buildup on the
tuning fork. On the screwed version you will find a marking on the
hexagon. With this, you can check the position of the tuning fork when
screwing it in. When the hexagon touches the seal, the thread can still
be turned by approx. half a turn. This is sufficient to reach the
recommended installation position.
With flange versions, the fork is directed to the flange holes.
Fig. 6: Horizontal installation - marking
1 Marking on top with screwed version
In applications such as grit chambers or settling basins for coarse
sediments, the vibrating element must be protected against damage
with a suitable baffle.
This baffle must be manufactured by you.
32250-EN-120418
VEGAWAVE 61 • - two-wire 13
Page 14
> 125 mm
(> 5")
> 120 mm
(> 4.7")
4 Mounting
Fig. 7: Baffle for protection against mechanical damage
14 VEGAWAVE 61 • - two-wire
32250-EN-120418
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5 Connecting to power supply
5 Connecting to power supply
5.1 Preparing the connection
Note safety instructions
Take note of the
safety instructions for Ex
applications
Voltage supply
Connection cable
Connection cab-
le for Ex applications
Always keep in mind the following safety instructions:
l Connect only in the complete absence of line voltage
In hazardous areas you must take note of the respective regulations,
conformity and type approval certificates of the sensors and power
supply units.
Connect the operating voltage according to the following diagrams.
Take note of the general installation regulations. As a rule, connect
VEGAWAVE 61 to vessel ground (PA), or in case of plastic vessels, to
the next ground potential. On the side of the instrument housing there
is a ground terminal between the cable entries. This connection serves
to drain off electrostatic charges. In Ex applications, the installation
regulations for hazardous areas must be given priority.
The data for power supply are specified 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.
Use cable with round cross-section. A cable outer diameter of 5 … 9 mm
(0.2 … 0.35 in) ensures the seal effect of the cable gland. If you are
using cable with a different diameter or cross-section, exchange the
seal or use a suitable cable gland.
In hazardous areas, only use approved cable connections for
VEGAWAVE 61.
Take note of the corresponding installation regulations for Ex
applications.
Cover all housing openings conforming to standard according to
EN 60079-1.
5.2 Connection procedure
With Ex instruments, the housing cover may only be opened if there is
no explosive atmosphere present.
Proceed as follows:
1 Unscrew the housing cover
2 Loosen compression nut of the cable entry
3 Remove approx. 10 cm (4 in) of the cable mantle, strip approx.
1 cm (0.4 in) of insulation from the ends of the individual wires
4 Insert the cable into the sensor through the cable entry
32250-EN-120418
VEGAWAVE 61 • - two-wire 15
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5 Connecting to power supply
5 Lift the opening levers of the terminals with a screwdriver (see
following illustration)
Fig. 8: Connection steps 5 and 6
6 Insert the wire ends into the open terminals according to the wiring
plan
7 Press down the opening levers of the terminals, you will hear the
terminal spring closing
8 Check the hold of the wires in the terminals by lightly pulling on
them
9 Tighten the compression nut of the cable entry. The seal ring must
completely encircle the cable
10 If necessary, carry out a fresh adjustment
11 Screw the housing cover back on
The electrical connection is finished.
5.3 Wiring plan, single chamber housing
The following illustrations apply to the non-Ex as well as to the EEx-d
version.
16 VEGAWAVE 61 • - two-wire
32250-EN-120418
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1
4
44
2 3
1
Housing overview
5 Connecting to power supply
Fig. 9: Material versions, single chamber housing
1 Plastic (not with EEx d)
2 Aluminium
3 Stainless steel (not with EEx d)
4 Filter element for pressure compensation or blind stopper with version IP 66/
IP 68, 1 bar (not with EEx d)
Wiring plan
For connection to a signal conditioning instrument. The sensor is
powered via the connected signal conditioning instrument. For further
information see the "Technical data" in the "Supplement".
The wiring example is applicable for all suitable signal conditioning
instruments.
If the mode switch of VEGAWAVE 61 is correctly set to "max.", the
control lamp on VEGAWAVE 61 lights.
l red - with submerged vibrating element
l green - with uncovered vibrating element
Take note of the operating instructions manual of the signal
conditioning instrument. Suitable signal conditioning instruments are
listed in chapter "Technical data".
Fig. 10: Wiring plan
1 Voltage supply
32250-EN-120418
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1
2
5 Connecting to power supply
Wire assignment connection cable
5.4 Wiring plan - version IP 66/IP 68, 1 bar
Fig. 11: Wire assignment connection cable
1 brown (+) and blue (-) to power supply or to the processing system
2 Shielding
18 VEGAWAVE 61 • - two-wire
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6 Set up
6.1 General information
The figures in brackets refer to the following illustrations.
6 Set up
Function/Configuration
On the electronics module you will find the following indicating and
adjustment elements:
l Potentiometer for adaptation to the product density (1)
l DIL switch for mode adjustment - min./max. (2)
l Signal lamp (5)
Note:
As a rule, always set the mode with mode switch (2) before starting the
setup of VEGAWAVE 61 . If the instrument is used in conjunction with
a signal conditioning instrument, always set the mode switch (2) on
VEGAWAVE 61 to max. mode.
The mode is selected on the signal conditioning instrument with the
mode switch.
The switching output will change if you set one of the two mode
switches afterwards. This could possibly trigger other connected
instruments or devices.
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3
4
1
2
5
6 Set up
Electronics and connection compartment
6.2 Adjustment elements
Fig. 12: Electronics and connection compartment - two-wire output
1 Potentiometer for switching point adaptation
2 DIL switch for mode adjustment
3 Ground terminal
4 Connection terminals
5 Control lamp
Switching point adaptation (1)
Mode adjustment (2)
With the potentiometer you can adapt the switching point to the solid. It
is already preset and must only be modified in special cases.
By default, the potentiometer of VEGAWAVE 61 is set to the right stop
(> 0.02 g/cm³ or 0.0008 lbs/in³). In case of very light-weight solids, turn
the potentiometer to the left stop (> 0.008 g/cm³ or 0.0003 lbs/in³).
VEGAWAVE 61 will thus be more sensitive and can detect light-weight
solids more reliably.
For instruments detecting solids in water, these settings are not
applicable. The switching point adaptation is preset and must not be
changed.
With the mode adjustment (min./max.) you can determine the output
current.
When using a signal conditioning instrument, always set the mode
switch to max. mode.
In this case, you select the requested mode according to the "Function
chart" (max. - max. detection or overfill protection, min. - min.detection
or dry run detection) on the signal conditioning instrument.
20 VEGAWAVE 61 • - two-wire
32250-EN-120418
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Signal lamp (5)
6 Set up
When used on a control system, the following values apply:
l Mode min.
- Vibrating element uncovered - 16 mA ±1 mA
- Vibrating element covered - 8 mA ±1 mA
l Mode max.
- Vibrating element uncovered - 8 mA ±1 mA
- Vibrating element covered - 16 mA ±1 mA
Control lamp for indication of the switching status
l green = 8 mA
l red = 16 mA
l red (flashing) = Failure (< 2.3 mA)
6.3 Function chart
Level switch VEGAWAVE 61
The following chart provides an overview of the switching conditions
depending on the adjusted mode and level.
Mode on the
sensor
Max.
Overflow protec-
tion
Max.
Overflow protec-
tion
Min.
Dry run protection
Min.
Dry run protection
Fault message
(min./max. mode)
Level Signal current -
Sensor
8 mA
approx. 16 mA
approx. 8 mA
approx. 16 mA
any < 2.3 mA
Signal lamp sensor
Green
Red
Green
Red
flashes red
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6 Set up
VEGAWAVE 61 level switch with signal conditioning instrument
The following chart provides an overview of the switching conditions
depending on the adjusted mode of the signal conditioning instrument
and the level.
Note:
Keep in mind that the mode switch of VEGAWAVE 61 must be always
set to "max.".
Mode on the
signal conditioning instrument
Mode A
Overflow pro-
tection
Mode A
Overflow pro-
tection
Mode B
Dry run pro-
tection
Mode B
Dry run pro-
tection
Level Signal cur-
rent - Sensor
approx. 8 mA
approx. 16 mA
approx. 16 mA
approx. 8 mA
Signal lamp sensor
Green
Red
Red
Signal lamp signal conditioning instrument
1)
Green
Fault message
(mode A/B)
any < 2.3 mA
flashes red
6.4 Recurring test and function test (SIL)
General information
SIL
22 VEGAWAVE 61 • - two-wire
The VEGAWAVE 61 is qualified for use in measuring chains of level
SIL2 according to IEC 61508 (redundant, level SIL3).
The measuring system can be used for level detection of bulk solids
and meets the special requirements of safety technology.
1)
You will find suitable signal conditioning instruments in chapter "Technical
data".
32250-EN-120418
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Implementation - Function test
6 Set up
This is possible up to SIL2 in a single channel architecture (1oo1D),
and up to SIL3 in a multiple channel, redundant architecture.
The following instrument combinations meet the requirements
according to SIL:
VEGAWAVE 61 Ex with
l Oscillator WE60Z
l Signal conditioning instrument VEGATOR 636Ex or SPLC (safety-
oriented PLC)
There are the following possibilities to carry out the recurring function
test:
1 Filling of the vessel up to the switching point
2 Dismounting of the sensor and immersion in the the original
product
3 Short interruption of the supply line to the sensor
4 Pushing the test key on the signal conditioning instrument
1 Filling the vessel up to the switching point
If this does not cause any problems, you can fill the vessel up to the
switching point and monitor the correct sensor reaction.
2 Dismounting of the sensor and immersion in the original
product
You can dismount the sensor for test purposes and check its proper
functioning by immersing it in the original product.
3 Short interruption of the supply line to the sensor
The recurring function test according to IEC 61508 can be carried out
through a short interruption (> 2 seconds) of the supply line to the
sensor. This starts a test sequence.
The correctness of the subsequent switching conditions on the
indications of the SPLC must be monitored. The sensor must neither
be dismounted nor triggered by filling the vessel.
You can carry out the function test with the outputted current values
also directly via a safety PLC or a process control system.
4 Pushing the test key on the signal conditioning instrument
A test key is lowered in the front plate of the signal conditioning
instrument. Push the test key for > 2 seconds with a suitable object.
Hence a test is started. Hence the correctness of the subsequent
switching conditions must be monitored via the two LEDs on the signal
conditioning instrument as well as the connected facilities. The sensor
must neither be dismounted, nor controlled by filling the vessel.
Test without filling or
dismounting the sensor
(3, 4)
This test is valid if you cannot change the vessel filling or cannot
dismount the sensor.
The recurring function test according to IEC 61508 can be carried out
by pushing the test key on a respective signal conditioning instrument
or briefly (> 2 seconds) interrupting the su pply line to the sensor.
32250-EN-120418
VEGAWAVE 61 • - two-wire 23
Page 24
16
I/mA
8
2
t/s
1
2
3
0,6 1,51,5
6 Set up
The correctness of the subsequent switching conditions must be
monitored via the two LEDs on the signal conditioning instrument as
well as the connected devices. The sensor must neither be
dismounted nor triggered by filling the vessel.
This applies for VEGAWAVE 61 with two-wire electronics module
WE60Z.
You can carry out the function test with the outputted current values
also directly via a safety PLC or a process control system.
A function test can be carried out with measurement setups in
conjunction with the two-wire electronics module WE60Z EX.
If you are using a signal conditioning instrument of type VEGATOR for
this purpose, you can carry out the test with the integrated test key.
The test key is recessed in the front plate of the signal conditioning
insturment. Push the test key for > 2 seconds with a suitable object
(screwdriver, pen, etc.).
When the VEGAWAVE 61 is connected to a processing system or an
SPLC, you have to interrupt the connection cable to the sensor for > 2
seconds. The switching delay must be set to 0.5 s.
After releasing the test key or interrupting the connection cable to the
sensor, the complete measuring system can be checked on correct
function. The following operating conditions are simulated during the
test:
l Fault message
l Empty signal
l Full signal
Fig. 36: Flow chart of the function test
1 Full signal
2 Empty signal
3 Fault message
Check if all three switching conditions occur in the correct sequence
and the stated time period. If this is not the case, there is a fault in the
24 VEGAWAVE 61 • - two-wire
measuring system (see also the operating instructions manual of the
32250-EN-120418
Page 25
6 Set up
signal conditioning instrument). Keep in mind that connected instruments are activated during the function test. By doing this, you can
check the correct function of the measuring system.
Note:
Keep in mind that the starting time t
of the voltage supply can extend
A
the time up to the first switching (e.g. VEGATOR 636: +1 s)
Test procedure
Sensor
current Sensor
1. Fault signal
approx. 0.6 s
2)
+ t
A
2. Empty
signal
(approx.
1.5 s)
3. Full signal
(approx.
1.5 s)
4. Return to
current operating condition
< 2 mA currentless currentless currentless
approx.
8 mA
approx.
16 mA
After releasing the button or after a brief line break.
The speci fied times apply with a tolerance of ±20 %.
Level relay
A - overfill
protection
energized
currentless energized energized
Signal
lamp A -
Overfill
protection
Level relay
B - dry run
protection
currentless energized
Signal
lamp B -
Dry run
protection
Fail safe
relay
Control
lamp
Note:
When used in measuring chains according to IEC 61508, mode B is
not permitted.
Test assessment (SPLC)
Test passed
l Interference signal (< 3.6 mA) ≥ 400 ms
l Uncovered (approx. 8 mA) ≥ 1 s
l Covered (approx. 16 mA) ≥ 1 s
2)
Starting time of the voltage supply
32250-EN-120418
VEGAWAVE 61 • - two-wire 25
Page 26
6 Set up
Test not passed
l Interference signal (< 3.6 mA) < 400 ms / ≥ 750 ms
l Uncovered (approx. 8 mA) < 1 s / ≥ 2 s
l Covered (approx. 16 mA) < 1 s / ≥ 2 s
26 VEGAWAVE 61 • - two-wire
32250-EN-120418
Page 27
7 Maintenance and fault rectification
7 Maintenance and fault rectification
7.1 Maintenance
If the instrument is used properly, no special maintenance is required
in normal operation.
7.2 Remove interferences
Reaction when malfunc-
tions occur
Failure reasons
The operator of the system is responsible for taking suitable measures
to rectify faults.
VEGAWAVE 61 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
Fault rectification
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.
24 hour service hotline
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 switching
signal
Error Cause Rectification
VEGAWAVE 61 signals
"covered" without being
submerged (overfill protection)
VEGAWAVE 61 signals
"uncovered" when being
submerged (dry run protection)
Operating voltage too low Check operating voltage
Electronics defective Press the mode switch. If the instrument then changes
Unfavourable installation
location
Buildup on the vibrating
element
the mode, the vibrating element may be covered with
buildup or mechanically damaged. Should the switching
function in the correct mode still be faulty, return the
instrument for repair.
Press the mode switch. If the instrument then does not
change the mode, the electronics module may be
defective. Exchange the electronics module.
Mount the instrument at a location in the vessel where
no dead zones or mounds can form.
Check the vibrating element and the sensor if there is
buildup and remove it.
32250-EN-120418
VEGAWAVE 61 • - two-wire 27
Page 28
2
1
7 Maintenance and fault rectification
Error Cause Rectification
Wrong mode selected Set the mode switch on VEGAWAVE 61 to "max". Set
Signal lamp flashes red Error on the vibrating ele-
ment
Interference on the electronics module
instrument defective Exchange the instrument or send it in for repair
the correct mode on the signal conditioning instrument
(A: overfill protection; B: dry run protection).
Check if the vibrating element is damage or extremely
corroded.
Exchanging the electronics module
Reaction after fault rectification
Depending on the reason for the fault and the measures taken, the
steps described in chapter "Set up" may have to be carried out again.
7.3 Exchanging the electronics module
In general, all electronics modules of series WE60 can be inter-
changed. If you want to use an electronics module with a different
signal output, you can download the corresponding operating
instructions manual from our homepage under Downloads.
With EEx d instruments, the housing cover may only be opened if there
is no explosive atmosphere present.
Proceed as follows:
1 Switch off power supply
2 Unscrew the housing cover
3 Lift the opening levers of the terminals with a screwdriver
4 Pull the connection cables out of the terminals
5 Loosen the two screws with a screw driver (Torx size T10 or slot 4)
Fig. 47: Loosening the holding screws
1 Electronics module
2 Screws (2 pcs.)
28 VEGAWAVE 61 • - two-wire
32250-EN-120418
Page 29
7 Maintenance and fault rectification
6 Pull out the old electronics module
7 Compare the new electronics module with the old one. The type
label of the electronics module must correspond to that of the old
electronics module. This applies particularly to instruments used in
hazardous areas.
8 Compare the settings of the two electronics modules. Set the
adjustment elements of the new electronics module to the same
setting of the old one.
Information:
Make sure that the housing is not rotated during the electronics
exchange. Otherwise the plug may be in a different position later.
9 Insert the electronics module carefully. Make sure that the plug is
in the correct position.
10 Screw in and tighten the two holding screws with a screwdriver
(Torx size T10 or Phillips 4)
11 Insert the wire ends into the open terminals according to the wiring
plan
12 Press down the opening levers of the terminals, you will hear the
terminal spring closing
13 Check the hold of the wires in the terminals by lightly pulling on
them
14 Check cable gland on tightness. The seal ring must completely
encircle the cable.
15 Screw the housing cover back on
The electronics exchange is now finished.
7.4 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 contact data on our website
www.vega.com under: "Company - VEGA worldwide"
32250-EN-120418
VEGAWAVE 61 • - two-wire 29
www.
Page 30
8 Dismounting
8 Dismounting
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.
With Ex instruments, the housing cover may only be opened if there is
no explosive atmosphere present.
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.
30 VEGAWAVE 61 • - two-wire
32250-EN-120418
Page 31
9 Supplement
9 Supplement
9.1 Technical data
General data
Material 316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
- Process fitting - thread 316L
- Process fitting - flange 316L
- Process seal Klingersil C-4400
- Tuning fork 316L
- Extension tube ø 43 mm (1.7 in) 316L
Materials, non-wetted parts
- Plastic housing plastic PBT (Polyester)
- Aluminium die-casting housing Aluminium die-casting AlSi10Mg, powder-coated -
- Stainless steel housing - precision cast-
ing
- Stainless steel housing, electropolished 316L
- Seal between housing and housing
cover
- Light guide in housing cover (plastic) PMMA (Makrolon)
- Ground terminal 316L
Process fittings
- Pipe thread, cylindrical (DIN 3852-A) G1½ A
- American pipe thread, conical
(ASME B1.20.1)
Instrument weight (depending on process
fitting)
Max. lateral load 600 N (135 lbf)
basis: P olyester
316L
NBR (stainless steel housing, precision casting),
silicone (aluminium/plastic housing; stainless steel
housng, electropolished)
1½ NPT
0.8 … 4 kg (0.18 … 8.82 lbs)
Fig. 48: Max. lateral load alongside fork side (narrow fork side)
32250-EN-120418
VEGAWAVE 61 • - two-wire 31
Page 32
1
2
3
-50°C
(-58°F)
50°C
(122°F)
40°C
(104°F)
-40°C
(-40°F)
80°C
(176°F)
0°C
(32°F)
100°C
(212°F)
150°C
(302°F)
200°C
(392°F)
250°C
(482°F)
9 Supplement
Output variable
Output Two-wire output
Suitable signal conditioning instruments VEGATOR 536Ex, 537Ex, 636Ex
Output signal
- Mode min. Vibrating element uncovered: 16 mA ±1 mA,
vibrating element covered: 8 mA ±1 mA
- Mode max. Vibrating element uncovered: 8 mA ±1 mA, vibrat-
ing element covered: 16 mA ±1 mA
- Fault message < 2.3 mA
Modes (switchable) min./max.
Switching delay
- When immersed 0.5 s
- When laid bare 1 s
Ambient conditions
Ambient temperature on the housing -40 … +80 °C (-40 … +176 °F)
Storage and transport temperature -40 … +80 °C (-40 … +176 °F)
Process conditions
Measured variable Limit level of solids
Process pressure -1 … 25 bar/-100 … 2500 kPa (-14.5 … 363 psig)
VEGAWAVE 61 of 316L -50 … +150 °C (-58 … +302 °F)
Process temperature (thread or flange tem-
-50 … +250 °C (-58 … +482 °F)
perature) with temperature adapter (option)
Fig. 49: Ambient temperature - Process temperature
1 Process temperature
2 Ambient temperature
3 Temperature range with temperature adapter
32 VEGAWAVE 61 • - two-wire
32250-EN-120418
Page 33
9 Supplement
Product density
- Standard > 0.02 g/cm³ (0.0007 lbs/in³)
- adjustable > 0.008 g/cm³ (0.0003 lbs/in³)
Granular size max. 10 mm (0.4 in)
Electromechanical data - version IP 66/IP 67 and IP 66/IP 68; 0.2 bar
Cable entry/plug
3)
- Single chamber housing l 1 x cable gland M20 x 1.5 (cable: ø 5 … 9 mm),
1 x blind stopper M20 x 1.5
or:
l 1 x closing cap ½ NPT, 1 x blind plug ½ NPT
or:
l 1 x plug (depending on the version), 1 x blind
stopper M20 x 1.5
Spring-loaded terminals for wire cross-section up to 1.5 mm² (AWG 16)
Electromechanical data - version IP 66/IP 68 (1 bar)
Cable entry
- Single chamber housing l 1 x IP 68 cable gland M20 x 1.5; 1 x blind
stopper M20 x 1.5
or:
l 1 x closing cap ½ NPT, 1 x blind plug ½ NPT
Connection cable
- Wire cross-section 0.5 mm² (AWG 20)
- Wire resistance < 0.036 Ω/m (0.011 Ω/ft)
- Tensile strength < 1200 N (270 lbf)
- Standard length 5 m (16.4 ft)
- Max. length 1000 m (3280 ft)
- Min. bending radius 25 mm (0.984 in) with 25 °C (77 °F)
- Diameter approx. 8 mm (0.315 in)
- Colour - standard PE Black
- Colour - standard PUR Blue
- Colour - Ex-version Blue
Adjustment elements
Mode switch
- Min. Min. detection or dry run protection
- Max. Max. detection or overflow protection
3)
Depending on the version M12 x 1, according to ISO 4400, Harting, 7/8" FF.
32250-EN-120418
VEGAWAVE 61 • - two-wire 33
Page 34
9 Supplement
Voltage supply
Operating voltage 10 … 36 V DC (via the signal conditioning instru-
ment)
Electrical protective measures
Protection rating
- Plastic housing IP 66/IP 67
- Aluminium and stainless steel standard IP 66/IP 68 (0.2 bar)
- Aluminium and stainless housing (op-
IP 66/IP 68 (1 bar)
4)
tionally available)
Overvoltage category III
Protection class II
Approvals
Instruments with approvals can have different technical data depending on the version.
That's why the associated approval documents have to be noted with these instruments. They are
part of the delivery or can be downloaded under
www.vega.com via "VEGA Tools" and "serial
number search" as well as via "Downloads" and "Approvals".
4)
A suitable cable is the prerequisite for maintaining the protection rating.
34 VEGAWAVE 61 • - two-wire
32250-EN-120418
Page 35
9.2 Dimensions
32
1
4
~ 69 mm
(2.72")
ø 79 mm
(3.11")
117 mm (4.61")
M20x1,5/
½ NPT
~ 59 mm
(2.32")
ø 80 mm
(3.15")
112 mm (4.41")
M20x1,5/
½ NPT
~ 69 mm
(2.72")
ø 79 mm
(3.03")
112 mm (4.41")
M20x1,5/
½ NPT
~ 116 mm (4.57")
ø 86 mm (3.39")
116 mm (4.57")
M20x1,5
M20x1,5/
½ NPT
117 mm (4.61")
~ 103 mm
(4.06")
ø 77 mm
(3.03")
116 mm (4.57")
~ 150 mm (5.91")
ø 84 mm (3.31")
M20x1,5
1
M20x1,5M20x1,5
2
Housing in protection IP 66/IP 67 and IP 66/IP 68; 0.2 bar
Fig. 50: Housing versions in protection IP 66/IP 67 and IP 66/IP 68; 0.2 bar
1 Plastic housing
2 Stainless steel housing, electropolished
3 Stainless steel housing - precision casting
4 Aluminium housing
Housing in protection IP 66/IP 68 (1 bar)
9 Supplement
Fig. 51: Housing versions with protection rating IP 66/IP 68 (1 bar)
1 Stainless steel housing - precision casting
2 Aluminium housing
32250-EN-120418
VEGAWAVE 61 • - two-wire 35
Page 36
22mm
(
55
/
64
")
33mm
(1
19
/
64
")
220mm (8
21
/
32
")
150mm (5
29
/
32
")
G1½A
ø 43mm (1 11/16")
9 Supplement
Fig. 52: VEGAWAVE 61, threaded version G1½ A (DIN ISO 228/1)
36 VEGAWAVE 61 • - two-wire
32250-EN-120418
Page 37
ø 34 mm
(1 11/32")
178 mm (7
1
/
64
")
9 Supplement
Fig. 53: Temperature adapter
32250-EN-120418
VEGAWAVE 61 • - two-wire 37
Page 38
9 Supplement
9.3 Industrial property rights
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>。
9.4 Trademark
All the brands as well as trade and company names used are property
of their lawful proprietor/originator.
38 VEGAWAVE 61 • - two-wire
32250-EN-120418
Page 39
9 Supplement
32250-EN-120418
VEGAWAVE 61 • - two-wire 39
Page 40
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:
All statements concerning scope of delivery, application,
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 2012
Subject to change without prior notice 32250-EN-120418
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