GF 2260 Manuale utente
Instruction manual
GF Piping Systems
2260 Ultrasonic Level Transmitter
1
Content
1. Safety and responsibility ..............................................................................................................................3
1.1 Intended use ...............................................................................................................................................3
1.2 Safety regulations for the Ex approved units............................................................................................3
2. Transport and storage..................................................................................................................................3
3. Design and function......................................................................................................................................3
3.1 Design .........................................................................................................................................................3
3.2 Function ......................................................................................................................................................4
3.3 Basic concepts and elements of the ultrasonic measurement...............................................................4
3.4 Identification...............................................................................................................................................5
4. Technical Data ..............................................................................................................................................6
4.1 Dimensions.................................................................................................................................................7
4.2 Scope of delivery ........................................................................................................................................7
4.3 Maintenance and repair.............................................................................................................................7
5. Installation ....................................................................................................................................................8
5.1 Liquid Level Measurement ........................................................................................................................8
5.2 Installation and electrical connection.....................................................................................................10
5.2.1 Installation of the (BSP or NPT) threaded models .........................................................................10
5.2.2 Details electrical connection.............................................................................................................11
5.3 Loop current checking.............................................................................................................................12
6. Programming in general............................................................................................................................13
6.1 Programming without display module....................................................................................................13
6.1.1 Procedure of programming ..............................................................................................................14
6.1.2 Teach-in: Minimum level, (empty tank) assignment to 4 mA .........................................................14
6.1.3 Teach-in: Maximum level (full tank) assignment to 20 mA.............................................................14
6.1.4 “Error state” indication by the analogue signal...............................................................................14
6.1.5 Damping time setting ........................................................................................................................15
6.1.6 RESET: Returning to the default.......................................................................................................15
6.1.7 Indication of mistakes (by LEDs) made during programming ........................................................15
6.2 Programming with the Display Module ..................................................................................................16
6.2.1 Display Module...................................................................................................................................16
6.2.2 Steps of the Display Module..............................................................................................................17
6.2.3 Indications of the DISPLAY MODULE and LED Status.....................................................................18
6.2.4 QUICKSET...........................................................................................................................................19
6.2.5 Full parameter access ......................................................................................................................20
Instruction for use Safety and responsibility
2
7. Parameters – Description and Programming...........................................................................................22
7.1 Measurement configuration ....................................................................................................................22
7.2 Current output..........................................................................................................................................26
7.3 Relay Output .............................................................................................................................................27
7.4 Digital Output ...........................................................................................................................................28
7.5 Measurement optimisation .....................................................................................................................28
7.6 Volume Measurement..............................................................................................................................31
7.7 Volume Flow Measuring ..........................................................................................................................32
7.7.1 Open Channel Flow Measurement ...................................................................................................32
7.8 32-Point-Linearisation.............................................................................................................................35
7.9 Informational parameters (read out parameters)..................................................................................37
7.10 Additional parameters of the flow metering.........................................................................................38
7.11 Test parameters.....................................................................................................................................38
7.12 Simulation...............................................................................................................................................39
7.13 Access Lock............................................................................................................................................39
8. Error Codes ................................................................................................................................................40
9. Parameter table .........................................................................................................................................41
10. Sound velocities in different gases ..........................................................................................................43
11. Article overview ........................................................................................................................................43
12. Disposal ....................................................................................................................................................44
Safety and responsibility Instruction for use
3
1. Safety and responsibility
1.1 Intended use
The 2260 Ultrasonic Level Transmitters are an excellent tool for the level measurement of liquids. Level
measurement technology based on the non-contacting ultrasonic principle is especially suited for
applications where, for any reason, no physical contact can be established to the surface of the material
to be measured. Such reasons may include corrosive attack by the process medium against the
measuring device material (acids), possible contamination (sewage) or particles of the process medium
adhering to the measuring device (adhesive materials).
1.2 Safety regulations for the Ex approved units
The 2260 Ultrasonic Level Transmitter must be operated in intrinsically safe circuit only, see values in
chapter “Technical Data”. For temperatures see values in “Techical Data”. Transducer head are made of
plastic tending to charge up electrostatically, thus:
The velocity of the filling and discharging process must be chosen according to the medium.
During filling the material causing the hazard must be hindered from forming a mist
It is not permitted to clean the plastic cover in explosion hazardous area
The apparatus is not suitable for flame-proof enclosure towards the external area.
2. Transport and storage
Transport and/or store product in unopened original packaging.
Protect product from dust, dirt, dampness as well as thermal and UV radiation.
Make sure that the product has not been damaged neither by mechanical nor thermal influences.
Check product for transport damages prior to the installation.
3. Design and function
3.1 Design
Instruction for use Design and function
4
3.2 Function
The ultrasonic level metering technology is based on the principle of measuring the time required for the
ultrasound pulses to make a round trip from the sensor to the level to be measured and back. The sensor
emits an ultrasonic pulse train and receives the echoes reflected. The intelligent electronic device
processes the received signal by selecting the echo reflected by the surface and calculates from the time
of flight the distance between the sensor and the surface which constitutes the basis of all output signals
of the 2260 Ultrasonic Level Transmitter.
A Total beam angle of 5°-7° at –3 dB as is featured by transducers of transmitters and sensores ensuring
a reliable measurement in narrow silos with uneven side walls as well as in process tanks with various
protruding objects.
Furthermore, as a result of the narrow beam angle - the emitted ultrasonic signals have an outstanding
focusing - deep penetration through gases, vapour and foam is ensured.
rr
D
XD
1m 0,21 m
2 m 0,3 m
5 m 0,56 m
10m 1m
15m 1,45 m
X
m
X
M
Diameters corresponding to 5° beam angle.
3.3 Basic concepts and elements of the ultrasonic measurement
Design and function Instruction for use
5
Minimum measuring distance (Xm) (Dead Band) is determined by the design of the unit within which the
measurement is not possible (Dead Zone). This distance can be extended by programming in order to
avoid disturbing effects of possible disturbing echoes coming from fixed objects. (Close-end Blocking)..
Maximum measuring distance (XM) is the greatest distance (determined by the design of the unit) which
can be measured by the unit under ideal conditions. The maximum measuring distance of the actual
application (H) must not be greater than XM.
3.4 Identification
1 Type 5 Serial code
2 Media temperature 6 Output
3 Voltage 7 Ambient temperature
4 CE-marking
1
5
2
3
6
7
4
M226193
Instruction for use Technical Data
6
4. Technical Data
General
Type 2260-X-XXX-4 2260-X-XXX-6 2260-X-XXX-15
Range 0.2 to 4 m / 0.65 to
13 ft *
0.25 to 6 m / 0.82 to 20 ft
*
0.45 to 15 m / 1.5 to 49 ft
*
Total Beam Angle 6° 5° 5°
Accuracy * ± (0.2 % of measured distance, 0.05 % of range)
Measuring freq. 80 kHz 80 kHz 40 kHz
Enviromental
Process temperature -30° bis +90°
Process pressure
(absolute)
0.03 to 0.3 MPa (0.3 to 3 bar)
Process connection 1 ½ in. BSP / NPT 2 in. BSP / NPT DN125 flange
Enclosure
Enclosure Material
-Sensor Body PP or PVDF
-Housing PBT
Resolution <2m: 1 mm2 to 5 m: 2 mm 5 to 10 m: 5 mm >10m: 10 mm
Ingress protection
-Sensor Body IP 68, NEMA 6P
-Housing IP 68, NEMA 6P
Electrical
Outputs 2- wire 4–20 mA, HART protocol, max. 600 ohm
Relay (SPDT) 250V AC, 3A AC1
Power Supply 1 to 36 VDC / 44 to 800 mW
Power Consumption DC 3.6 W, AC 4 VA
Connection 2 x M20 x 1,5 plastic cable gland: Cable: Ø6 to 12 mm
Ex-version: 2 x M20x1,5 metal cable gland: Cable: Ø7 … 13 mm
Standards and Approvals
ATEX Approval ATEX II 1 G EEx ia II B T6 (available for 2-wire SP series only)
Display Module
Field indication 6 digits Custom LCD, icons and bargraph
Ambient temperature -25°C … +70°C
Housing material PBT, low inflammability (DuPont®)
* Under optimal circumstances of reflection and stabilised transducer temperature
Additional data for EX certified devices
Ex marking
II1G EEx ia IIB T6 IP68
Intrinsically safety data Ci≤15 nF, Li≤200
H, Ui≤30 V, Ii≤140 mA, Pi≤1 W
Ex-device should be powered by EEx ia power supply.
Ex power supply, loading U0< 30 V, I0< 140 mA, P0< 1 W, Voltage range 12…30 V,
Rt max = (Us– 12 V) / 0,02 A
Medium temperature For PP transducer –20 °C ... +70 °C, for PVDF transducer –20 °C ... +80
°C, for PTFE transducer –30 °C ... +90 °C
Ambient temperature -20 °C … +70 °C
Technical Data Instruction for use
7
4.1 Dimensions
Version 1 ½” BSP/ NPT Version 2” BSP/ NPT
~89
1 1/2" BSP
or NPT
BSP length 15
NPT length 22
2 x M20x1.5
2 x 1/2" NPT
~60
97.5
2 x M20x1.5
2 x 1/2" NPT
~60
~89
97.5
2" BSP
or NPT
BSP len
g
th 15
NPT len
g
th 22
Version Flange connection
Type Process xxx Range
122
JIS 10K 125A
ANSI 5" 150 psi
DIN DN125 PN16
*
~89
2 x M20x1.5
2 x 1/2" NPT
97.5
19
~43
* Min. Flange size
4.2 Scope of delivery
2 x M20x1.5 cable gland
Installation and Programming Manual
Display Module
4.3 Maintenance and repair
The 2260 Ultrasonic Level Transmitters do not require maintenance on a regular basis. In some very rare
instances, however, the transducer may need a cleaning from deposited material. This must be carried
out gently, without scratching or pressing the surface of the transducer.
Repairs during or after the warranty period are carried out exclusively at the Manufacturers. The
equipment sent back for repairs should be cleaned or neutralised (disinfected) by the User.
Instruction for use Installation
8
5. Installation
5.1 Liquid Level Measurement
Position
The optimal position of the 2260 Ultrasonic
Level Transmitter is on the radius
r = (0.3 … 0.5) R of the (cylindrical) tank / silo.
(Take also sonic cone on page 1 into
consideration.)
Sensor alignment
The sensor face has to be parallel to the surface of the liquid
within ± 2-3°.
Temperature
Make sure that the 2260 Ultrasonic Level Transmitter will be
protected against overheating by direct sunshine.
Sonnenschirm
Obstacles
Make sure that no in-flow path or objects (e.g. cooling pipes,
ladders, bracing members, thermometers, etc.) or no tank wall of
the ragged surface protrude into the sensing cone of the
ultrasonic beam.
One fix object in the tank / silo that disturb the measurement can
be blocked out by the appropriate programming of the 2260
Ultrasonic Level Transmitters – see Parameter P29 “Blocking out
of disturbing object”
Foam
Foaming of the liquid surface may render ultrasonic level metering impossible. If possible, a location
should be found, where foaming is the least (device should be located as far as possible from liquid
inflow) or a stilling pipe or well should be used.
Installation Instruction for use
9
Stand-off-Pipe
The structure of the stand off pipe should be rigid; the inner rim where the ultrasonic beam leaves the
pipe should be rounded.
L
Ø D
r
r
Ø D
L
Wind
Intensive air (gas) movements in the vicinity of the ultrasonic cone is to be avoided. A strong draft of
wind may "blow away" the ultrasound. Devices with lower measuring frequency (40, 20 kHz) are
recommended.
Fumes/ Vapours
For closed tanks containing chemicals or other liquids, which creats fume/gases above the liquid
surface especially for outdoor tanks exposed to the sun, a strong reduction of the nominal measuring
range of the ultrasonic device is to be considered during device selection.
Devices with lower measuring frequency (40, 20 kHz) are recommended in these cases units.
L Dmin
BSP/ NPT 1 ½” BSP/ NPT 2”
150 50 60
200 50 60
250 65 65
300 80 75
350 95 85
L Dmin
Flange connection
90 130 mm
200 140 mm
350 150 mm
500 160 mm
Note: The mentioned values are indications.
Depending on the assembling conditions larger
diameters are to be considered.
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