4.1 General installation instructions ........................................ 26
Safety information
The described module must only be installed
and operated as described in this operating
instruction. Please note that other action can
cause damage for which VEGA does not take
responsibility.
2VEGAPULS 51 V … 54 V
Contents
4.2 Measurement of liquids ..................................................... 28
4.3 Measurement in standpipe ............................................... 30
6.2 Adjustment with PC on VEGAMET .................................... 45
6.3 Adjustment with MINICOM or VEGAMET ........................ 63
6.4 Adjustment with the PC on VEGALOG ............................ 76
VEGAPULS 51 V … 54 V3
1 Product description
1.1 Function
Radio detection and ranging: Radar.
VEGAPULS radar sensors are used for noncontact and continuous distance
measurement. The measured distance
corresponds to a filling height and is
provided as level.
Product description - Function
1 ns
278 ns
Meas. principle:
emission – reflection – receipt
Smallest 5,8 GHz radar signals are emitted
from the antenna of the radar sensor as short
pulses. The radar impulses reflected by the
sensor environment and the product are
received by the antenna as radar echoes.
The running period of the radar impulses
from emission to receipt is proportional to the
distance and hence to the level.
Meas.
distance
emission - reflection - receipt
The radar impulses are emitted by the
antenna system as impulse packets with a
pulse duration of 1 ns and pulse breaks of
278 ns; this corresponds to a pulse package
frequency of 3,6 MHz. In the impulse breaks
the antenna system operates as receiver. Signal running periods of less than one millionth
of a second must be processed and the
echo pictures must be evaluated in a fraction
of a second.
Pulse sequence
VEGAPULS radar sensors can reach this in a
special procedure of time transformation
which spreads more than 3,6 million echo
pictures per second in a slow-motion picture,
then freezes and processes them.
Time transformation
Hence it is possible for the VEGAPULS 50
radar sensors to process the slow-motion
pictures of the sensor environment precisely
and in detail in cycles of 0,5 to 1 second
without using very time consuming frequency
analysis (e.g. FMCW) necessary for other
radar principles.
Virtually all products can be measured
Radar signals physically react similar to
visible light. According to the quantum theory
they penetrate empty space. Hence they are
not bound such as e.g. sound to conductive
product (air) and spread like light with light
velocity.
4VEGAPULS 51 V … 54 V
Product description - Function
Radar signals react to two electrical primary
quantities:
- the electrical conductivity of a substance.
- the dielectric constant of a substance.
All products which are electrically conductive
reflect radar signals very well. Even only
slightly conductive products ensure a
sufficient reflection for a reliable
measurement.
All products with a dielectric constant figure ε
of more than 2,0 reflect radar impulses
sufficiently (note: air has a dielectric constand
figure ε
The signal reflection increases with the
of 1).
r
conductivity or with the dielectric constant
figure of the product. Hence virtually all
products can be measured.
ε
Reflected radar power dependent on the
dielectric constant figure of the measured
product
Continuous and reliable
Unaffected by temperature, pressure and
individual gas atmospheres, VEGAPULS
radar sensors are used for quick and reliable
continuous level measurement of various
products.
%
0,03
r
0,02
0,01
0
10050010001300 °C
0
0,018 %
Temperature influence: Temperatur error
absolutely zero (e.g. at 500°C 0,018 %)
%
10
5
0
10
0
0,8 %
20 30 4060
50
Pressure influence: Error with pressure
increase very low (e.g. at 50 bar 0,8 %)
0,023 %
3 %
70 80 90110 120 130 140
100
bar
Due to the standard flanges from DN 50 to
DN 250, ANSI 2" to ANSI 10" or G 11/2 A and
11/2" NPT the sensor antenna systems are
adapted to the various measured products
and measurement environments.
VEGAPULS 50 enable level measurement
with radar sensors on systems where radar
sensors had not been used before due to
price reasons.
High-quality materials withstand also
extremely chemical and physical conditions.
The sensors deliver reliably, precisely and
longterm stable, reproducible analogue or digital level signals.
VEGAPULS 51 V … 54 V5
Product description
1.2 Application features
Applications
• Level measurement of liquids, limited use in
solids
• Measurement also in vacuum
• All slightly conductive materials and all
substances with a dielectric constant figure
εr > 2,0 can be measured
• Measuring ranges 0 … 20 m
Two-wire technology
• Supply and output signal on one two-wire
line
• Output signal and signal processing
completely digital, hence maximum
accuracy
Rugged and abrasionproof
• Non-contact
• High resistance materials: PTFE, 1.4571
Exact and reliable
• Resolution 1 mm
• Unaffected by noise, vapours, dusts, gas
compositions and inert gas layering
• Unaffected by varying density and
temperature of the product
• Measurement of pressures up to 40 bar
and product temperatures up to 200°C
Communicative
• Individually connectable, with 15 sensors
on one two-wire line (digital output signal)
• Integral indication of measured values
• Optionally indication separated from the
sensor
• Connection to all BUS-systems: Interbus S,
Modbus, Siemens 3964R, Profibus DP,
Profibus FMS, ASCII
• Adjustment from the DCS-stage
Ex-approvals
• CENELEC, FM, CSA, ABS, LRS, GL, LR
1.3 Adjustment
Each measuring distance is different, hence
each radar sensor must be given some
basic information on the application and the
environment.
The adjustment and parameter adjustment of
the radar sensors is hence carried out with
- the PC and adjustment program VVO
- the detachable adjustment module
MINICOM
- the signal conditioning instrument
VEGAMET
Adjustment with PC
The set-up and adjustment of the radar
sensors is generally made on PC with
adjustment program VVO (VEGA Visual Ope-
rating) under Windows®.
The program leads quickly through the
adjustment and parameter adjustment via
pictures, graphics and process
visualisations.
2
2
Adjustment with the PC on the digital signal
and supply line between the sensors and the
signal conditioning instrument VEGAMET
The PC can be connected to any individual
position of the system or the signal line. It is
hence connected with the two-wire PCinterface converter VEGACONNECT 2 to the
sensor, to the signal line or to the signal
conditioning instrument.
6VEGAPULS 51 V … 54 V
Product description - Adjustment
2
2
One or two sensors on the signal
conditioning instrument; adjustment with the
PC on the signal conditioning instrument
2
……
VEGALOG
VEGALOG
571 CPU
571 EA
1 … 15
2
……
VEGALOG
VEGALOG
571 CPU
571 EA
1 … 15
Adjustment with the PC and the standard
cable RS 232 directly on the processing
system
If required the adjustments can then be
quickly transferred to other sensors.
1…15 sensors on the processing system
VEGALOG. Adjustment with the PC on the digital signal and supply line to the processing
system or directly on the sensor
With the standard cable (RS232) the PC is
directly connected to the processing system
VEGALOG.
The adjustment and parameter adjustment
Automatic sensor recognition (top figure) and
visualized input, e.g. of a vessel linearisation
curve (bottom figure)
data can be at any time saved on the PC and
protected by passwords by means of the
adjustment software.
VEGAPULS 51 V … 54 V7
ESC
OK
-
+
1
2
on
100
%
CONNECT
514 Ex
Product description - Adjustment
Adjustment with adjustment module
MINICOM
The adjustment with the small
(3,2 cm x 6,7 cm) 6-key adjustment module
with display can be compared with the
adjustment with the signal conditioning
instrument. You can carry out some sensor
relevant adjustments directly at the meas.
point which can naturally also be carried out
with the signal conditioning instrument.
Detachable adjustment module MINICOM
The adjustment module can be plugged into
or removed from the radar sensor or the
optionally external indicating instrument.
ESC
+
Tank 1
-
m (d)
12.345
OK
2
ESC
+
Tank 1
-
m (d)
12.345
OK
4
Adjustment with signal conditioning
instrument VEGAMET
Beside the PC the radar sensors with digital
output signal can be also adjusted with the
signal conditioning instrument VEGAMET.
6-key adjustment field on the instrument front
of a signal conditioning instrument VEGAMET
For adjustment the digital signal conditioning
instruments VEGAMET 514 V and 515 V are
provided with a 6-key adjustment field with
%
100
+
-
OK
ESC
CONNECT
on
513
display. Here you can carry out the
parameter adjustment in clear text.
The adjustment structure corresponds to the
adjustment on the adjustment module
MINICOM.
Adjustment with the detachable adjustment
module on the radar sensor or on the
external indicating instrument VEGADIS 10.
8VEGAPULS 51 V … 54 V
Types and versions
2 Types and versions
VEGAPULS series 50 sensors are a new
developed generation of very compact, small
radar sensors. With only very narrow space
requirements they are developed for short
meas. distances (0 … 20 m) and for
standard applications such as storage tanks
and buffer tanks.
Due to the small housing dimensions and
process connections, the compact sensors
monitor your levels very price favourably.
With the integral indication and the many
features of the "big brothers" of VEGAPULS
series 64 and especially of VEGAPULS
series 81, they open the advantages of a
radar level measurement for applications in
which the special adavantages of radar were
not possible, due to price reasons.
VEGAPULS 50 radar sensors dominate the
two-wire technology perfectly. They are the
first radar sensors transmitting supply
voltage and output signal via one two-wire
line. As output or meas. signal they provide a
digital output signal.
2.1 Type survey
The antenna is the eye of the radar sensor.
Four antenna systems are available for different applications and process requirements.
Each system differs in the physical features.
Rod antenna
Rod antennas with high
chemical resistance require
smallest flange dimensions
(DN 50). The antenna rod and
the wetted flange parts are
made of PTFE, PP or PPS so
that the rod antenna can be
easily cleaned and is
insensitive to condensation.
The rod antenna is suitable for
pressures up to 16 bar and
temperatures up to 150°C.
VEGAPULS 53
VEGAPULS 51/52
VEGAPULS 51 V … 54 V9
Types and versions - Survey
Horn antenna
VEGAPULS 54
Horn antennas are best
suited for most applications.
They focus the radar signals
very well. Manufactured of
1.4571 (stst) they are very
rugged and physically as well
as chemically resistant. They
are suitable for pressures up
to 40 bar and for product
temperatures up to 150°C.
VEGAPULS 54
(pipe antenna/
standpipe)
Pipe antenna
VEGAPULS 54
(pipe antenna/
standpipe)
Pipe antennas on surge or
bypass pipes only form a
complete antenna system in
conjunction with a measuring
pipe which can also be bent.
Pipe antennas are especially
suitable for products with
heavy product movements or
products with low dielectric
constant figure.
The antenna can be with or
without horn. Versions with
horn characterize by very
good antenna gain. A very
good reliability can be
achieved even in case of
products with very bad
reflection features.
The meas. pipe means a
conductor for radar signals.
The running period of the
radar signals changes in the
pipe and depends on the
pipe diameter. The pipe inner
diameter must be
programmed in the
electronics so that the running
period can be compensated.
VEGAPULS 54 without horn
(pipe antenna/standpipe)
10VEGAPULS 51 V … 54 V
Types and versions - Survey
Survey of features
• Application preferably of liquids in storage
tanks or vessels
• Meas. range 0 …20 m
• Ex-approved in IEC or ATEX
classification EEx ia [ia] IIC T 6
• Integral measured value indication
Survey
51 V52 V53 V54 V
VEGAPULS …
Signal output
digital meas. signal••••
Voltage supply
– two-wire technology (voltage
supply and signal output
via one two-wire line)••••
The second figure of the type designation,
e.g. VEGAPULS 5[1]… differentiates the
instruments acc. to process connection and
antenna material.
VEGAPULS 51 V EXXX X X X X X
1 for measurement in standpipe (d = 50 mm)
3 for socket lengths up to 100 mm
9 for socket lengths up to 250 mm
G - Process connection G 11/2 A
N - Process connection 11/2 NPT
K - Process connection DN 50 PN 16
L - Process connection DN 80 PN 16
E - Process connection DN 100 PN 16
F - Process connection DN 150 PN 16
S - Process connection ANSI 2" 150 PSI
W - Process connection ANSI 3" 150 PSI
P - Process connection ANSI 4" 150 PSI
V - Process connection ANSI 6" 150 PSI
Y - other process connections
X - without indication
A - with integral indication
X - without MINICOM adjustment module
B - with MINICOM adjustment module (pluggable)
A - 20 … 72 V DC; 20 … 250 V AC; 4 … 20 mA
B - 20 … 72 V DC; 20 … 250 V AC; 4 … 20 mA; HART
C - Two-wire (loop powered); 4 … 20 mA
D - Two-wire (loop powered); 4 … 20 mA; HART
E - Supply via signal conditioning instrument
P - 90 … 250 V AC (only in USA)
N - 20 … 36 V DC, 24 V AC (only in USA)
Z - Supply via signal conditioning instrument (only in USA)
The letter e.g. VEGAPULS 51[V]
characterizes the output signal:
V stands for a digitial output signal (VBUS), K
stands for an analogue 4 … 20 mA output
signal (compact instrument).
®
®
.X - FTZ approval (BRD)
EX.X - Ex approved CENELEC EEx ia IIC T6, FTZ
.U - FCC approval (US)
EX.U - FM, CLASS 1, DIV 1; FCC (US)
K - Analogue 0 … 20 mA output signal
PULSV - Digital output signal (two-wire technology)
for radar
Type 51: 1 1/2 PP or PPS/StSt rod antenna
Type 52: 1 1/2 PTFE or PTFE/StSt rod antenna
Type 53: DN 50 … DN 150 PTFE rod antenna
Type 54: DN 50 … DN 100 for mounting on standpipe
12VEGAPULS 51 V … 54 V
Types and versions - Configuration of meas. systems
2.2 Configuration of measuring
systems
Which radar sensor you use depends on
your process requirements and installation
conditions as well as on the requirements of
your control or processing system.
On sensors with digital output signal like
VEGAPULS 51 V … 54 V a meas. system
consists of a sensor and a processing unit.
The processing unit (the signal conditioning
instrument VEGAMET or the processing
system VEGALOG) evaluates the level proportional digital meas. signal in a number of
routines and provides then the levels as
individual current, voltage or switching
signals.
On the following pages you find the various
instrument configurations which are called in
the following meas. system and which are
partly shown with a signal processing.
• 2 sensors on one two-wire line
(page 14)
• 2 sensors in Ex on one two-wire line
(page 15)
• 15 sensors on one two-wire line
(page 16)
• 3 sensors in Ex on one two-wire line
(page 17)
Ex
Series 50 sensors require for operation in Exareas Ex-separator VEGATRENN 548 V Ex,
providing intrinsically safe Ex-circuits to the
sensors.
On the Ex-separtor VEGATRENN 548 V up to
9 sensors can be connected in groups with
three sensors each (see page 17).
Note to page 15…17:
2)
Sensor lines should be looped in screened cables.
It is recommended to earth the cable screens on
both ends. However it must be noted that no earth
compensation currents flow over the screen. Earth
compensation currents are avoided in case of
earthing on both ends by connecting the cable
screen on one earth side (e.g. in the switching
cabinet) via a capacitor (e.g. 1 µF; 100 V) with the
earth potential.
Sensor lines leading to the same separator card,
can be looped together in one screened multiple
wire cable.
Sensor lines leading to other separator cards must
be looped in separate screened cables.
VEGAPULS 51 V … 54 V13
Types and versions - Configuration of meas. systems
1 … 2 sensors on the signal conditioning instrument VEGAMET 515 V
• Two-wire technology, supply from the signal conditioning instrument.
Output signals and supply voltage via a two-wire line.
• Digital output signal, two sensors on one line.
• Measured value indication in the sensor and in the signal conditioning
instrument.
• Optionally external indicating instrument
(can be mounted up to 25 m separated from the sensor in Ex-area).
• Adjustment with PC, the signal conditioning instrument or the
adjustment module (can be plugged in the sensor or in the external
indicating instrument)
• Max. resistance of the signal line 15 Ω per wire or 1000 m cable length
VEGADIS 50
Screened line in case of
electromagnetic interferences
1)
4
VEGADIS
10/50
2
2
Current outputs
Voltage outputs
Relay
Digital wiring
Fault signals
4
2
VEGACONNECT 2
VEGAMET
515V
Signal conditioning
instrument VEGAMET 515 V
in housing type 505
1) Sensor lines should be looped in screened
cables. It is recommended to earth the cable
Processings see product information "Signal
conditioning instruments series 500"
screens on both ends. However it must be
noted that no earth compensation currents
flow over the screen. Earth compensation
currents are avoided in case of earthing on
both ends by connecting the cable screen on
one earth side (e.g. in the switching cabinet)
via a capacitor (e.g. 1 µF; 100 V) with the
earth potential.
14VEGAPULS 51 V … 54 V
Types and versions - Configuration of meas. systems
1 … 2 sensors in Ex-area via separator
VEGA TRENN 548 V Ex on signal conditioning instrument VEGAMET 515 V
• Two-wire technology, supply from separator.
Output signals and voltage supply via one two-wire line
• Ex-area acc. to CENELEC and ATEX
• Digital output signal, two sensors on one line
• Meas. value indication in the sensor or in the signal conditioning
instrument
• Optionally external indicating instrument
(can be mounted up to 25 m separated from the sensor in Ex-area)
• Adjustment with PC, signal conditioning instrument or adjustment
module (can be plugged in the sensor or in the external indicating
instrument)
• Max. resistance of the signal line 15 Ω per wire or 1000 m cable length
(see also approval certificates of the separators)
VEGADIS 50
4
Ex-area
Zone 1
or
Zone 0
4
Zone 1 or Zone 0
Not Ex-area
2
2
VEGACONNECT 2
Screened line in case of electromagnetic
interferences
2) see note on page 13
Current outputs
Voltage outputs
Relays
Digital wiring
Fault signals
2
VEGAMET
VEGATRENN
515V
547
Signal conditioning instrument VEGAMET
515 V with Ex-separator VEGATRENN
548 V Ex in housing type 506
Processings see product information "Signal
conditioning instruments series 500"
VEGAPULS 51 V … 54 V15
Types and versions - Configuration of meas. systems
15 sensors via one two-wire line on the processing system VEGALOG 571
• Two-wire technology, voltage supply and digital output signals via one
two-wire line from the processing system VEGALOG 571.
• Up to 15 sensors on one two-wire line
• Meas. value indication integrated in the sensor
• Optionally external indicating instrument (can be mounted up to 25 m
separated from the sensor in Ex-area).
• Adjustment with PC or adjustment module (pluggable in sensor or in
external indicating instrument)
• Max. resistance of the signal line 15 Ω per wire or 1000 m cable length.
4
VEGADIS 50
4
4
Screened line in case of electromagnetic
2
2
2
2
2
interferences
1)
2
CPU
VEGALOG
571 CPU
Processing system VEGALOG 571
with input cards in 19"-rack. 15
sensors on one module card and
two-wire line
VEGACONNECT 2
Interface cable
RS 232
VEGALOG
571 EV
Processings see product information
"Signal conditioning instruments
series 500"
Current outputs
Voltage outputs
Relays
Digital wiring
Fault signals
Connection to all
Bus-systems
Transistor outputs
2
1) Sensor lines should be looped in screened cables.
It is recommended to earth the cable screens on
both ends. However it must be noted that no earth
compensation currents flow over the screen. Earth
compensation currents are avoided in case of
earthing on both ends by connecting the cable
screen on one earth side (e.g. in the switching
cabinet) via a capacitor (e.g. 1 µF; 100 V) with the
earth potential.
16VEGAPULS 51 V … 54 V
Types and versions - Configuration of meas. systems
3 sensors per two-wire line via
separator VEGATRENN 548 V Ex on the processing system VEGALOG 571
• Two-wire technology, voltage supply and digital output signals via one
two-wire line from the separator
• Three sensors on one two-wire line
• Meas. value indication integrated in the sensor
• Optionally external indicating instrument (can be mounted up to 25 m
separated from the sensor in Ex-area).
• Adjustment with PC or adjustment module (pluggable in the sensor or in
external indication instrument)
• Max. resistance of the signal line 7,5 Ω per wire or 1000 m cable length
(see approval certificates of the separators).
Ex-areaNot Ex-area
VEGADIS 50
2
2
2
2
Screened line in case of electromagnetic
interferences
2
2
2
2
2
2
2
2
2
CPU
VEGALOG
VEGALOG
571 CPU
2) see note page 13
Processing system
VEGALOG 571
(19" module card)
VEGATRENN
VEGATRENN
571 EV
VEGATRENN
548
548
VEGALOG
VEGATRENN
VEGATRENN
571 EV
548
548
Current and voltage
outputs
Digital wiring
Fault signals
Transistor outputs
Relays, connection to
all Bus-systems
548
Separator VEGATRENN 548 V Ex
22
2
(max. 9 sensors per card)
Input card of VEGALOG 571
(max. 15 sensors per card)
Diagram of the flange temperature dependent on the process pressure
bar
Type 54
Type 53
Type 52 with
StSt process
connection
Type 51 with
StSt process connection
Type
51
Type
52
°C
Storage and transport temperature-40°C … +80°C
ProtectionIP 66/67
Protection class
- two-wire sensorII
- four-wire sensorI
Overvoltage categoryIII
VEGAPULS 51 V … 54 V19
Technical data
Ex-technical data (note approval documents)
Flame proofingia (intrinsically safe in conjunction with
a safety barrier or separator)
ClassificationEEx ia IIC T6
Perm. housing ambient temperatureT6: 45°C T5: 58°C T4/T3: 60°C
Temperature class (permissible ambient temperature on the antenna system)
- T680°C
- T595°C; type 51: 80°C
- T4130°C; type 51: 80°C
- T3150°C; type 51: 80°C; type 52: 130°C
Ex-approved in category or zone
- EC-type approvalType 5*V Ex: Zone 1 (II 2 G)
Type 5*V Ex 0: Zone 0 (II 1 G)
- conformity certificateType 5*V Ex: Zone 1
Type 5*V Ex 0: Zone 0
Process connections
VEGAPULS 51, 52G 11/2 A, 11/2" NPT (rod antennas on plastic
ANSI 2", 3", 4" and 6"
(up to DN 100 or 4" mounting on surge pipe)
Connection lines
Two-wire sensors, supply and signal via one two-wire line
Line resistance max. 15 Ω per wire or 1000 m cable length
Cross-section area of conductorgenerally 2,5 mm
Earth connectionmax. 4 mm
2
2
Cable entry2 x M20 x 1,5 (cable diameter 5 … 9 mm)
Materials
HousingPBT (Valox)
Flange / process connection
- VEGAPULS 51PVDF or StSt
- VEGAPULS 52PVDF or StSt
- VEGAPULS 53, 541.4571
Antenna
- VEGAPULS 51PP or StSt / PPS
- VEGAPULS 52PTFE or StSt / PTFE
- VEGAPULS 53PTFE
- VEGAPULS 541.4571, 1.4071
Flange coating (only VEGAPULS 53)PTFE
20VEGAPULS 51 V … 54 V
Technical data
Weights
Dependent on the kind of process connection or the flange size
- Screw connection G 11/2 A, 11/2" NPT1,3 kg
- DN 506 kg
- DN 808 kg
- DN 1009,5 kg
- DN 15013,5 kg
- ANSI 2"5,8 kg
- ANSI 3"7 kg
- ANSI 4"11 kg
- ANSI 6"15,5 kg
CE-conformity
VEGAPULS series 50 radar sensors meet the protective regulations of EMC (89/336/EWG)
and NSR (73/23/EWG) and R & TTE directive (1999/5/EC).
Conformity was judged acc. to the following standards:
EN 300 683-1: 1997
EN 300 440-1: 1995
I-ETS 300-440
Expert opinion No. 0043052-01/SEE, Notified Body No. 0499
EN 61 326: 1997/A1: 1998 (EMC Emission/Susceptibility)
EN 61 010 - 1: 1993 (NSR)
EN 50 020: 1994 (ATEX)
EN 50 018: 1994
EN 50 014: 1997
Outputs and processings
Display indication
Optionally mounted, scalable analogue and digital meas. value indication as well as
additionally up to 25 m separated from the sensor, meas. value indication powered by the
sensor.
Signal output
Signal outputdigital output signal in two-wire technology
Two-wire technology:
The digital output signal (meas. signal) is modulated to the power supply and processed in
the signal conditioning instrument or processing system.
VEGAPULS 51 V … 54 V21
(VBUS)
3.2 Dimensions
Technical data - Dimensions
∅
∅
G 11/2 A o.
11/2" NPT
thread
VEGAPULS 51
VEGAPULS 52
∅
G 11/2 A o.
11/2" NPT
thread
∅
∅
G 11/2 A o.
11/2" NPT
thread
Rod antennaRod antennaRod antenna
VEGAPULS 51 VEGAPULS 52
∅
∅
∅
∅
∅
∅
∅
∅
∅
∅
∅
∅
Rod antennaRod antenna
VEGAPULS 53
Rod lengthmax. socket length
VEGAPULS 5133050 mm
VEGAPULS 51360 (option 510)100 mm (option 250 mm)
VEGAPULS 5233050 mm
VEGAPULS 52395 (option 545)100 mm (option 250 mm)
VEGAPULS 53395 (option 545)100 mm (option 250 mm)
22VEGAPULS 51 V … 54 V
Technical data - Dimensions
∅
∅
∅
∅
∅
∅
∅
∅
∅
∅
∅
∅
∅
∅
∅
Rod antennaPipe antennaPipe antennaPipe antenna
VEGAPULS 54
∅
∅
∅
∅#
Pipe antenna
(horn antenna)
VEGAPULS 51 V … 54 V23
External indicating instrument VEGADIS 50
Mounting on carrier rail 35 x 7,5 acc. to EN 50 022 or flat
screwed
Flange dimensions acc. to ANSI
Technical data - Dimensions
Note:
Cable diameter of the connection cable min.
5 mm and max. 9 mm.
Otherwise the seal effect of the cable entry will
not be ensured.
D = outer flange diameter
b = flange strength
k = diameter of hole circle
d1= seal ledge diameter
f = seal ledge strength
Adjustment module for insertion in series 50
sensors or into the external indicating
instrument VEGADIS 50
24VEGAPULS 51 V … 54 V
Technical data - Approvals
3.3 Approvals
When using radar sensors in Ex and St-Exareas, the instrument must be suitable and
approved for these explosion zones and
applications.
For the use on ships, special type approvals
are available.
The suitability is tested by the approval
authorities and certified by approval
documents.
VEGAPULS 51 V Ex (0) to 54 V Ex (0)
sensors must be supplied from one
intrinsically safe circuit when used in Exareas. This is ensured by the separators
VEGATRENN 548 V Ex.
The separator provides intrinsically safe (ia)
circuits.
The resistance of the signal line must not
exceed 15 Ω per wire.
VEGAPULS 51 V Ex … 54 V Ex sensors are
approved for Ex-Zone 1.
VEGAPULS 51 V Ex 0 … 54 V Ex 0 sensors
are approved for Ex-Zone 0.
Please note the attached approval
documents when you want to use a sensor in
Ex-environment.
Test and approval authorities
VEGAPULS radar sensors are tested and
approved by the following monitoring and
approval authorities:
Mounting and installation - General installation instructions
4 Mounting and installation
4.1 General installation instructions
Measuring range
The reference pane for the measuring range
is the flange face (type 53/54) or the seal
shoulder of the thread (type 51/52). The max.
measuring range is 0 … 20 m, dependent on
the sensor type. The min. distance to the
medium must be 5 cm.
For measurements in surge or bypass pipes
(pipe antenna), the max. meas. distance is
reduced.
Note that for measurements where the
medium reaches the antenna, build-up on the
antenna is possible which can cause
measurement errors.
Type 53
Reference pane
Max.
Type 54
full
empty
Max.
Type 51/52Type 54
Max.
Meas. range
max. meas. distance 20 m
Meas. range (operating range) and max. meas. distance
Note: The use of the sensors in solid applications is restricted
False reflections
Flat obstructions and struts cause large false
reflections. They reflect the radar signal with
high amplitude.
Round profile interfering surfaces have a diffuse reflection of the radar signals and cause
false reflections with low density. Hence they
are less critical than reflections from a flat
surface.
If flat obstructions in the range of the radar
signals cannot be avoided, it is
recommended to reflect the interfering
signals with a deflector.
26VEGAPULS 51 V … 54 V
Profiles with smooth interfering surfaces
cause large false signals
Due to this scattering the interfering signals
will be low in amplitude and diffuse so that
they can be filtered out by the sensor.
Max.
Mounting and installation - General installation instructions
This emission cone depends on the antenna
used.
Round profiles diffuse the radar signals
Meas. distance
A deflector causes signal scattering
Emission cone and false reflections
The radar signals are focused by the
antenna system. The signals leave the
antenna in conical form, similar to the beam
pattern of a spotlight.
DN 100 horn antenna
Series 50
Series 64
and 81
Meas. distance
Rod antenna
Series 50
Series 64
and 81
Emission cone of a DN 100 horn antenna
Emission cone of a rod antenna (independent
on the process connection)
VEGAPULS 51 V … 54 V27
If possible provide a "clear view" inside the
emission cone to the product and avoid
obstructions in the first third of the cone.
Optimum measuring conditions exist when
the emission cone reaches the measured
product vertically and when the emission
cone is free from obstructions.
Mounting and installation - Measurement of liquids
4.2 Measurement of liquids
Horn antenna
Most of the time the mounting of radar
sensors is made on short DIN-socket pieces.
The instrument flange is the reference pane
of the measuring range. The antenna should
always protrude out of the flange pipe.
Meas. distance
DN 150 horn antenna
Series 50
Series
64
and 81
Emission cone of a DN 150 horn antenna
Reference pane
Mouning on short DIN-socket piece
When the DIN-socket piece is longer, please
note that the horn antenna must protrude at
least 10 mm out of the socket.
> 10 mm
Mounting on longer DIN-socket
When mounting on dished end vessels the
antenna has to protrude at least 10 mm.
> 10 mm
Mounting on a dished end vessel
28VEGAPULS 51 V … 54 V
Mounting and installation - Measurement of liquids
Do not mount the transmitter in the centre of
the dished end of the tank or close to the
outer wall of the vessel, but approx. 1/2 vessel
radius from the middle or from the outer wall.
Dished tank ends can act as paraboloidal
reflectors. If the radar sensor is placed in the
"focus" of a parabolic tank end, the sensor
receives amplified false echoes. The radar
sensor must be mounted outside the "focus"
hence parabolic amplified echoes are
avoided.
Reference pane
1
/2 vessel radius
Mounting on dished vessel end
Horn antenna directly on the vessel top
Dependent on the construction of the vessel,
flat mounting directly on the vessel top would
be a favourable solution. The top side of the
vessel is the reference pane.
Rod antenna
The PTEF (Teflon) rod antenna is well suited
to chemically aggressive products such as
lyes and acids. Applications in the food
processing industry with aseptic vessel
conditions are catered for with the Teflon rod
antenna close tolerance and crevice free
construction.
For measurements of liquids with the Teflon
rod antenna, the mounting is made on a
straight DIN-socket piece. The socket
however must not be longer than 150 mm
(when using a longer antenna, not longer
than 250 mm). The rod antenna is available in
flange sizes of DN 50, DN 80 and DN 100.
≤ 100 or 250 mm
Rod antenna on DIN-socket piece
Reference pane
Opening
ø 50 mm
Mounting directly on the flat vessel top
VEGAPULS 51 V … 54 V29
Rod antenna directly on vessel opening
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