Bamo BAMOFLONIC User manual

ES
776-01/1
Ultrasonic flow metering
BA OFLONIC
24-04-2014 776 M1 01 C
INSTRUCTIONS ANUAL
BA OFLONIC
BA OFLONIC
Ultrasonic flow metering / dosing device

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776 M0 01 C 24-04-2014
General safety instructions
Please pay attention to the safety instructions with the following pictograms and signal words in these operating instructions:
––> Indicates situations or cases which, if not avoided, could result damage or failure on the used equipment.
––> Indicates general hazardous situations or cases which, if not avoided, could result in serious injury.
––> Used to lead users to helpful information not related to personal injury.
Intended use
• The flowmeter BAMOFLONIC may only be used for measuring the flow of pure, homogeneous liquids.
• The volume flowmeter BAMOFLONIC is manufactured and designed according to the current industry standard EN 61010 (corresponds
to VDE 0411 “Safety specifications for electrical measurement, control and laboratory devices”).
• The manufacturer cannot be held liable for any damage from inappropriate or unintended use. Conversions and/or changes to
the flowmeter may only be made according to these operating instructions.
Personnel for installation, commissioning and operation
• Assembly, electrical installation, commissioning and maintenance of the flowmeter must be
carried out by qualified, trained personnel. The qualified personnel must read and understand
these operating instructions and must follow all appropriate instructions.
• The installer has to ensure that the flowmeter is correctly connected according to the electrical
connection diagrams.
i
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I PORTANT
WARNING
NOTICE
!
WARNING

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CONTENT
GENERAL SAFETY INSTRUCTIONS 2
1. Planning information 4
1.1 Areas of application 4
1.2 Measuring principle 4
1.3 Operational safety 5
2. Assembly and installation 5
2.1 Installation instructions 5
2.2 Assembly of the flowmeter 5
2.3 Electrical wiring 7
3. Commissioning 7
3.1 Operation 7
3.2 Functionalities of flowmeter and default settings 8
3.3 Overview of default settings 11
3.4 eneral Information 11
4. Exchange of measuring device 12
5. Technical specifications 12
5.1 Dimensions and weight 12
5.2 Specifications 14
TABLE OF FIGURES
Fig. 1 : Principle of ultrasonic flow measuring 4
Fig. 2 : Installation position of BAMOFLONIC 5
Fig. 3 : Mounting examples of BAMOFLONIC 6
Fig. 4 : Mounting possibilities of BAMOFLONIC 6
Fig. 5 : Mounting of BAMOFLONIC 6
Fig. 6 : Mounting with hot liquids > 60°C 6
Fig. 7 : Connection plug 7
Fig. 8 : Operating with the key pad 8
Fig. 9 : Menu organization 8
Fig. 10 : Function of the creeping suppression 9
Fig. 11 : Connecting output Q1 to external counter 10

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1. Planning information
1.1 Areas of application
The flow measurement device BAMOFLONIC is well suited for measuring dynamic flow in pipes and tubes. This flowmeter is
suitable for liquids only. It is used for:
• Chemicals supply for controlling, logistics, monitoring
• Filling machines in food industries
• Cooling systems, logistics, monitoring
• Process equipment for control and monitoring of formulas
• Valve control for continuous release of liquid volumes
• Supply with de-ionized water
• Very dynamic liquid processes with dosing times of below 1 second
It has the following features and benefits:
• No movable parts, therefore no wear
• High repeatability
• Easy to clean
• Safe operation
• Compact design
• Integrated detection of empty conduits
• Integrated dosing function with pre-set and adjustable amounts
• Chemical resistant • Integrated display with keypad
1.2 easuring principle
It usually takes more energy to swim against the flow than with the flow. The ultrasonic flow measurement is based on the phase-
difference approach. Two sensors that are located opposite from each other alternatively transmitting and receiving ultrasonic
signals. With medium at standstill both sensors receive the transmitted ultrasonic signals in the same phase, i.e. without phase
difference. With medium flowing there is a phase shift. It differs when measured in direction of the flow than when measured
against the direction of the flow. This phase difference is directly proportional to the flow rate. The flow rate and the known diam-
eter of the pipe are used to determine the flow volume.
Fig. 1: Principle of ultrasonic flow measuring
Transmitter / Receiver
Transmitter / Receiver
L: Length of measuring pipe
K: Factor
D: Diameter of measuring pipe
v: Flow velocity
c: Sound velocity of the fluid
Phase with the flow
Phase against the flow

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1.3 Operational safety
Comprehensive self-tests ensure highest possible safety. The protection class is IP 67.
BA OFLONIC meets the general E C immunity requirements according to CE, EN 50081-2, and EN 50082-2.
When referring to low voltage BA OFLONIC meets the safety requirements according to EN 60601-1.
776 M0 01 C 24-04-2014
When using pumps, BAMOFLONIC must be installed in flow direction on the pressure side.
Note the maximum pressure specification of the BAMOFLONIC. For correct volume flow measurements
straight and unobstructed inflow and outflow distances have to be observed.
Starting from the connection thread these have to be at least:
Nominal diameter DN10 DN15 DN20 DN25
Inflow distance 10cm 30cm 40cm 40cm
Outflow distance 0cm 5cm 10cm 20cm
Always make sure that the maximum torque of the nuts for the hydraulic connections is not overtightened. We commend to use the
delivered seals and a maximum torque depending on the diameter:
Nominal diameter DN10 DN15 DN20 DN25
Torque: 2 Nm 3 Nm 4 Nm 6 Nm
Due to the material characteristics of PSU the BAMOFLONIC has a limited resistance against UV rays.
Do not mount in direct sunlight.
2.2 Assembly of the flowmeter
The flowmeter is mounted into a pipe system by using the mechanical connection. For best measuring performance the
BA OFLONIC should be mounted vertically into the pipe. It is not recommended to install the flowmeter after a dosing-valve.
The flowmeter can run empty. To avoid getting bubbles in the liquid, the BAMOFLONIC should be installed on the pressure side of
the pump.
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NOTICE
2. Assembly and installation
2.1 Installation instructions
The housing of BAMOFLONIC is labeled with an arrow symbolizing the direction of the flow.
The flowmeter must be installed in direction of the flow.
For fastest possible bubble detection it is important to keep the pipe distance from tank to BAMOFLONIC as short as possible. Accurate
measurement can only be assured, if the pipe is completely filled and the liquid does not outgas.
Notwithstanding it may be advantageous for dosing applications to install the BAMOFLONIC as close as possible to the dosing valve,
since soft pipes increases the cross-section depending on the system pressure. This may lead to repeatable differences.
Insure that no cavitations dissolve from the measured liquid. Depending on the measured liq-
uid it can be helpful to have enough back pressure on the outlet of BAMOFLONIC to avoid
cavitations. Insure all mechanical connections are tight.
Absolutely avoid usage of Teflon tape for sealing!
Particles present in the flow stream may result in measuring errors.
Fig. 2: Installation position of BAMOFLONIC
NOTICE
TOP –> Outlet
DOWN –> Inlet

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If it is not possible to mount the flowmeter vertically, then
mount the instrument in a location where the pipe will be
filled at all times. The best measuring result is reached,
when bubbles are unable to get into the BAMOFLONIC.
For applications with a “clean design“ meaning that it is neces-
sary to completely drain the pipe system, we recommend
mounting the flowmeter in the vertical position. If the flowmeter
is mounted horizontally the internal geometry of the instrument
will result in stagnate liquid.
Vibrations or mechanical forces may decrease measuring
accuracy. It is possible to fix the flowmeter additionally with two
clamps against vibrations or movements. Use the clamps as
seen in the figure below at the inlet and outlet connections of
BAMOFLONIC.
Fig. 3: Mounting examples of BAMOFLONIC
Fig. 4: Mounting possibilities of BAMOFLONIC
The BAMOFLONIC must be installed without mechanical
force on the existing pipe system, otherwise the flowmeter
may be damaged. Pay attention to the axial channel offset of
5mm when mounting the flowmeter (For details see § 5.1).
Applications with hot liquids > 60°C:
When BAMOFLONIC is used in applications with liquid
temperatures higher than 60°C and mounted horizontal it
is recommend to install the electronic housing away from
the heat source. Heat rises away from the electronic
housing and minimizes damage to electronic parts. When
BAMOFLONIC is mounted vertically, heat damage is not
an issue.
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Fig. 5: Mounting of the BAMOFLONIC
Fig. 6: Mounting with hot liquids > 60° C

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2.3 Electrical wiring
The flowmeter must not be installed, wired or disassembled with live power (operating voltage) present.
Disconnect or shutdown all power before working on the flowmeter.
Connector cable pin configuration defined by manufacturer.
The outlets may be re-programmed for specific applications.
Pin Function Description
1L+ Voltage supply 18...30 V DC
2Pulse output Q1 Digital output Q1
alternative: Freely adjustable ranging from 0.1 to 3000 ml/pulse
in 0.1 ml/pulse steps, npn-Transistor, max. load 30V/100mA.
1. Empty-pipe output Configurable output of 0V or 24V when pipe is empty.
2. Dosing output Configurable output of 0V or 24V via dosing- menu by Flow oft.
3. Limit-control output Configurable output of 0V or 24V when reaching upper or lower limit
4. Negative flow Configurable output of 0V or 24V when liquid flows in negative direction
3ND round: 0 V
4 Communication Communication interface
5Analog output QA 4...20mA; 0...20mA
Example: 0l/min => 4mA
36l/min => 20mA
Alarm => 3.5mA
(4-20mA, depending on the configured limits)
!
WARNING !
43
12
5
34
21
5
Fig. 7: 5-Pin connection plug / ocket for 5-pin
Only operate the flowmeter BA OFLONIC within the operating limits stipulated on the product label
and the operating manual / data sheet. Use outside these conditions lead to overloads which cause
permanent damage.
3. Commissioning
Note: While commissioning run the Basic Trim (FlowSoft Medium) with filled pipe. Repeat this action until amplifier stage and
receiving amplitude reach a steady value.
3.1 Operation
If the BAMOFLONIC is used as volume flowmeter for water or water-like liquids it will not require on-site calibration. Parameters for water
are calibrated at the factory. Notwithstanding the BAMOFLONIC may also be supplied with customized settings. The coordination must
be done at time of purchase order.
If necessary, e.g. if viscosity and/or speed of sound deviate significantly from water, the preset parameters can be adjusted with the help
of the hardware interface and the FlowSoft service software.
This is always necessary when using BAMOFLONIC as a dosing device according to section Dosing function.
This requires a display or the “USB to RS485-Converter Sonic”.
The following parameters may be changed to settings suitable for the individual conditions:
- Digital output Q1, function and behavior
- Analog output QA, function and behavior
- Flow range, for which shall apply 4...20 mA
- Pulse value
- Creeping suppression
- Optimization of measurement curve with up to 8 interpolation values (medium matrix)
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NOTICE

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3.2 Functionalities and default settings
Display and user menu:
The BAMOFLONIC is equipped with a display to visualize
actual measurement values and change parameters of the
flowmeter. Navigation and changes are done by the four
keys on the keypad.
When the “Set” key is pressed the device switches into
the Main Menu. Different menu options can be selected
by using the two arrow keys. To enter e.g. analog limits
“Analog output – Upper limit” use the arrow keys to
change values and press “Set” to confirm. To switch back
to the last menu level press the “Esc” key. As soon as the
operator tries to change values a password will be
required. Password protection is used to ensure just
authorized personal is able to change values or configu-
rations.
The default password for the BA OFLONIC is
41414.
The password can be changed with FlowSoft. The user
level will remain active for 5 minutes after the last press
on any button.
Note: Not all functions of BAMOFLONIC can be changed
in the user menu display. To configure more parameters
FlowSoft and an “USBtoRS485-Converter Sonic” is needed.
Note: Functions marked with asterisk (*) are not available.
BAMOFLONIC without user display supports the same
functions as the display version.
To change configurations at BAMOFLONIC without user
display requires an “U BtoR 485-Converter onic” and
“Flow oft”.
Fig. 8: Operating with the key pad
Fig. 9: Menu organization
NOTICE
NOTICE

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Set Offset
In the sub menu “Set Offset” it is possible to set the actual offset of the flowmeter. This function should just be used when the
BAMOFLONIC is completely filled with liquid and there is no flow. A small offset change e.g. caused by variable temperatures is
automatically done by the flow
Language
The language of the display can be changed. Available languages are English and erman.
Filter
The function ”Filter“ averages the analog output signal.
Possible settings: Soft, edium, Strong, Off
The analog output signal reacts faster to signal changes when average determination is soft.
Whereas the output signal reacts slower when average determination is strong.
Units
The BAMOFLONIC is able to show actual flow or the volume in different units.
Following units can be selected: ml/s + l, al/min + al , l/min + l, l/min + m³.
The first letters correspond the unit of the flow value. The letters after the + correspond the unit of the volume value.
Reset Counter
The volume counter of BAMOFLONIC can be reset.
Note, accidentally erased counter values are permanently lost. After reset the counter works normally.
Basic Trim
This function insures that the flowmeter is conforming to the media specific characteristics. By executing this function the
BAMOFLONIC runs a self-diagnostic function which optimizes all important parameters. This process lasts approximately 1
minute.
To make sure the basic trim is correctly done the flowmeter has to be filled with liquid without a flow.
When there is an error detected while performing the basic trim function, the display shows “Error”. After successfully finishing
the basic trim, the display shows “Done”.
Creeping suppression
The creeping suppression excludes flow measurements that result from convection in a narrow band around zero, even with a
closed valve. At the factory, the creeping suppression is set at a standard value in relation to the cross-section of the flowmeter.
Diagnostic
The sub menu “Diagnostic“ shows the software/hardware version and other helpful values for analysis.
Knowing about the actual values or the instrument´s present status makes it easy to review the
measurement by the manufacturer.
Flow [l/min]
Pulse/Analog output
The creeping suppression works with a hystere-
sis of - 25%.
Example:
Creeping suppression = 0.6 l/min If the flow rate
is lower than 0.45 l/min the pulse output/analog
output becomes inactive. If the flow rate exceeds
0.6 l/min a pulse is output again and added to the
totalizer. Similarly, a value is transmitted to the
analog output again.
Plages disponibles:
0.0...20 l/min, in 0.006 l/min steps
Default settings:
0.3 l/min for DN10 / 3/8”
0.9 l/min for DN15 / 1/2"
3.5 l/min for DN20 / 3/4”
5.0 l/min for DN25 / 1”
NOTICE
Fig. 10: Function of the creeping suppression (illustrated with 0.6 l/min)

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Analog output
The analog output is available as current output 4-20mA or 0-20mA. As a standard it comes with current output 4- 20mA. It can also
be switched off by using the device menu or FlowSoft operating software. The current output ranges from 0 to 22.6mA measuring the
flow rate or the condition of the flow measurement.
The values here signify for 4-20mA configuration:
20mA –> the upper limit of the relevant measurement
4mA –> the lower limit of the relevant measurement
3.5mA –> empty pipe
For detailed information see § 5.2.
When current output is used, the load must not be higher than 500Ohm.
A higher load prevents the device from providing the maximum current of 22mA.
Pulse value
This section determines the output settings for pulsed outputs.
Choose configuration such as to neither exceed the maximum output frequency of the the BAMOFLONIC (10kHz) nor the maxi-
mum input frequency of the control.
Example: 2.0 ml/Pulse
This means: a pulse is emitted every 2.0 ml.
Setting range: 0.1...3000.0 ml/Pulse, in 0.1 ml/Pulse steps
Default setting: 1.0 ml/Pulse
Dosing
By choosing the dosing function via the user display in the manual mode dosing is configurable. The Volume “Dosing Batch“ and the
“Dosing Time“ are freely adjustable. When the “Dosing Time“ is set to zero the timer control is inactive. A dosage can be started and
stopped with the menu function keys “Start“ and “Stop“.
Setting range “Dosing Batch”: 0 – 3500 Liters
Setting range “Dosing Time” 0 –30000 Seconds
Default setting “Dosing Batch”: 0 Liters
Default setting “Dosing Time”: 3 Seconds
Digital output Q1
Digital output Q1 may be used as pulse output, empty pipe detection, for switching dosing valve or limit control. By using Flow oft or the
Display the user can switch between npn and pnp-transistor logic. In case of inductive load a diode has to be connected parallel to the
coil. For detailed information see § 5.2.
Setting area: off, pulse output, empty pipe, dosing output, lower limit, upper limit, negative flow
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Fig. 11 : Connecting output Q1 to external counter

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Dosing function
Dosing can be determined in different ways:
a) BAMOFLONIC as dosing device (dosing control via BAMOFLONIC)
BAMOFLONIC controls the complete dosing function. The dosing quantity (e.g. 400 ml) is pre-set in the BAMOFLONIC via the digital
interface (RS485) with the operating software or by using the user menu of the display. Dosing starts, as soon as line digital input is
wired to 24 V, e.g. via a pushbutton. BAMOFLONIC will open the dosing valve via the output configured for it. When the pre-set dos-
ing quantity is reached, the dosing valve is closed via the above output. The dosing procedure can also be started and stopped by
using the dosing user menu. The second output can be used independently for signaling empty pipe, limit control or flow direction.
b) BAMOFLONIC as dosing device (dosing control via FlowSoft )
BAMOFLONIC controls the complete dosing function. The dosing quantity (e.g. 400 ml) is pre-set in the BAMOFLONIC via the dig-
ital interface (RS485) with the operating software “FlowSoft”. Dosing starts via the dosing-menu in the operating software.
BAMOFLONIC will now open the dosing valve via the output configured for it. When the pre-set dosing quantity is reached, the dos-
ing valve is closed via the above output.
c) BAMOFLONIC as flowmeter (dosing control via dosing equipment)
The dosing equipment controls the entire dosing function. The dosing quantity is fixed in the dosing equipment control during com-
missioning by pre-selecting the meter pulses. Dosing starts, when the relevant pushbutton of the dosing equipment is pushed. The
control will now open the dosing valve. From now on BAMOFLONIC will send a voltage pulse to the control for each volume unit that
has flown through (e.g. per 1ml). When the pre-selected pulse quantity is reached, the control closes the dosing valve. In this case,
output 1 is used to send out pulses.
The customer has to provide an emergency stop and an overfilling stop to prevent hazardous
situations. Both functions must perform safety shut down of pumps and closing of valves.
edia
BAMOFLONIC dispose of a medium matrix with up to 8 interpolation values. Different media can be managed in the sub menu
“Media”. By using the sub menu point “Correction” it is possible to correct the measures flow in percent.
3.3 Overview of default settings
Function Default settings
Digital output Q1 Pulse output
Digital output Q2 * Empty pipe output
Digital input I1 * No function assigned
Current output QA Flow as 4-20mA signal
Pulse value 1 ml/Pulse
Creeping suppression 0.3 l/min
0.9 l/min
3.5 l/min
5.0 l/min
3.4 General Information
Please check the following before powering the flowmeter for the first time:
• Check the electrical connections and cable allocations.
• Check the installation position of the flowmeter.
Are the direction of the arrow on the housing/name plate and the actual flow direction in the pipe congruent?
• Is the measurement pipe completely filled with fluid?
• Check the back pressure in the system.
When everything has been checked, switch on power.
After 15 minutes with power running the measuring device reaches the maximum accuracy.
!
WARNING
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4. Exchange of measuring device
• Switch off power before disconnecting the electrical connections
• Please note that after replacing the flowmeter
a) the programming of the previous flowmeter should be saved and copied on the new flowmeter
b) when using the dosing function, set a quantity
Repair, hazardous substances
Before sending the BA OFLONIC for repair, the following precautions must be taken:
• Clean all process chemicals from the device.
Fully rinse the flow path.
Please pay close attention to the process fittings.
All media must be removed before returning.
This is particularly important, if the medium to be measured is health hazardous.
Devices judged to be insufficiently cleand will be returned to sender.
No inspection of device will be done until proper cleaning is completed by user.
• Attach a detailed report describing the failure, the application and the physical-chemical properties
of the medium parameters,
and the decontamination certificate (see last page).
5. Technical specifications
5.1 Dimensions and weight
!
WARNING
!
WARNING
DN Connection A /mm B /mm C /mm D /mm E /mm F /mm Weight /g
DN10 ½ or NPT 147.0 84.0 83.0 70.5 15.0 5.0 332
DN15 ¾ or NPT 147.0 84.0 84.5 71.1 15.0 5.0 344
DN20 1 or NPT 160.0 84.0 94.2 77.6 15.0 5.0 414
DN25 1 ¼ or NPT 168.0 84.0 98.5 77.6 15.0 5.0 454

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DN Connection A /mm B /mm C /mm D /mm E /mm F /mm Weight /g
DN10 ⅜” DIN 11864-3 147.0 84.0 83.0 70.5 15.0 5.0 339
DN15 ½” DIN 11864-3 147.0 84.0 84.5 71.1 15.0 5.0 347
DN20 ¾” DIN 11864-3 160.0 84.0 94.2 77.6 15.0 5.0 429
DN25 1” DIN 11864-3 168.0 84.0 98.5 77.6 15.0 5.0 469
DN Connection A /mm B /mm C /mm D /mm E /mm F /mm G Weight /g
DN10 ⅜” Tube 160.0 84.0 83.0 70.5 15.0 5.0 12.0 332
DN15 ½” Tube 178.0 84.0 84.5 71.1 15.0 5.0 18.0 344
DN20 ¾” Tube 197.0 84.0 94.2 77.6 15.0 5.0 24.0 414

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5.2 Specifications
Nominal diameters: DN10 - 3/8”, DN15 - 1/2", DN20- 3/4”, DN25 - 1”
Connections: BSP or NPT thread, Clamp connection DIN 11864-3, Tube nozzle
Medium temperature: 0...+80 °C
Protection class: IP 67
Nominal pressure: 16 bar / 232 Psi for DN10 – 3/8” and DN15 – 1/2"
10 bar / 145 Psi for DN20 – 3/4" and DN25 – 1”
Material: All parts in contact with medium made of PSU (Polysulfone), Electronics housing made of PSU (Polysulfone)
Power supply: 18...30V DC
Power input: at 24V DC = 3.6W
Connection: M12, Plug 5 pins
Display: Alphanumeric back lighted
Temperature: Ambient –> 0...+60°C / Storage –> 0...+70°C
Current output: 0/4...20 mA, Lower and upper limit adjustable, round connected to supply ground
Error Signal according to NAMUR NE43
Digital output O1: via transistor npn- and pnp-logic, max. 30V/100mA, output voltage according to DIN 19240:
≤5V means LOW, ≥12V means HI H, Short cut resistant, Frequency 0....10kHz
Data interface: Data interface for parameterize
Accuracy: Standard: ±2% of reading and ±3 mm/s
OPTION: ±1% of reading and ±3 mm/s, ±6 mm /s for DN10 – 3/8” (according to VDI / VDE 2642)
Measuring range: 0.3 – 21 l/min for DN10 – 3/8”
0.9 – 36 l/min for DN15 – 1/2"
3.5 – 60 l/min for DN20 – 3/4"
5.0 – 240 l/min for DN25 – 1”
Repeatability: 0.5%
The measuring system BA OFLONIC complies with the E C requirements EN 50081 parts 1/2 as well as EN 50082 parts
1/2. It is in conformity with the requirements of the EC directives and has the CE label.
Digital output
Switch over to high resistance when the supply is smaller than 18V. When overload or short circuit is detected the digital outputs
are switched off after 100µs for a period of 2s. When time is up the outputs get applied again.
Empty pipe output Empty pipe Device filled
NPN opener High resistant 0 V
NPN shutter 0 V High resistant
PNP opener High resistant 24 V
PNP shutter 24 V High resistant
Pulse output Empty pipe Filled, no flow Filled, flow
NPN opener 0 V 0 V 0 V Pulse
NPN shutter 0 V 0 V 0 V Pulse
PNP opener High resistant High resistant 24 V Pulse
PNP shutter High resistant High resistant 24 V Pulse
Lower limit output Below lower limit Between the limits Above upper limit
NPN opener High resistant High resistant 0 V
NPN shutter 0 V 0 V High resistant
PNP opener High resistant High resistant 24 V
PNP shutter 24 V 24 V High resistant
Higher limit output Below lower limit Between the limits Above upper limit
NPN opener 0 V High resistant High resistant
NPN shutter High resistant 0 V 0 V
PNP opener 24 V High resistant High resistant
PNP shutter High resistant 24 V 24 V
Dosing output Startup of device While dosing Before/after dosing
NPN opener High resistant High resistant 0 V
NPN shutter High resistant 0 V High resistant
PNP opener High resistant High resistant 24 V
PNP shutter High resistant 24 V High resistant
When using the dosing function the output should not be configured as opener.
After restart and till the end of a dosing process the valve would be open. NOTICE

0–20 mA
0
2
4
6
8
10
12
14
16
18
20
22
24
-20 -10 0 10 20 30 40 50 60 70 80 90 100 110120
Value [%]
Smaller 0% 0
00% (min Range)
Between 0% and 100%
0 2
Bigger 100% 20
4 - 20mA
0
2
4
6
8
10
12
14
16
18
20
22
24
-20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120
Value [%]
Current [mA]
Linear interpolation from 0 to 20mA
Current output 0...20 mA
For the following graphic “min Range” is used for 0% and “max Range” is used for 100%.
Current [mA]
Current output 0...20 mA
For the following graphic “min Range” is used for 0% and “max Range” is used for 100%.
Current [mA]
Value
100% (max Range)
Value
Empty pipe
Smaller -1.2%
Between
0 % (min Range)
Between 0% and 100%
100% (max range)
Between100% and 103%
Bigger 103%
Current [mA]
3.5
3.8
Linear interpolation from 3.8 to 4mA
4
Linear interpolation from 4 to 20mA
20
Linear interpolation from 20 to 20.5mA
22.6
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Characteristic curve analog output

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Step response time
0
20
40
60
80
100
0 5 10 15 20 25 30 35 40 45
Time [minute]
Temperature [%]
Filter
configurations
for thermocouple
ausschwachmittel stark
100000
16 0,1 10033102,5
64 0,3 100100 30 7,5
255110010010025
4 100100100 100
5 100100100 100
0
20
40
60
80
100
0 1 2 3 4
Off
Soft
Medium
Strong
Filter
Off
Soft
Medium
Strong
100 %
1s
16s
1min
4min
Value [%]
Time [minute]
Step-response with filter
Response time analog output
0
20
40
60
80
100
432
10
Time [s]
Vaue [%]
Off
Soft
Medium
Strong
Configuration
Filter
Off
Soft
Medium
Strong
100%
16ms
0.3s
1s
4.2s
Behavior of the thermocouple
The integrated thermocouple has no direct contact to the liq-
uid and is used to calculate the expansion of the housing.
The environment temperature greatly influences the actual
temperature of the thermocouple. The response time of tem-
perature changes relates to the mounting position of the ther-
mocouple inside the housing.
Step-response time after a significant temperature change.
(Filter „Off“) –––>
Influence of the environment temperature
Some examples:
Liquid T° x 0.7 + environ. T° x 0.3 = measured T°
40°C x 0.7 + 20 °C x 0.3 = 34°C
40°C x 0.7 + 30 °C x 0.3 = 37°C
40°C x 0.7 + 40 °C x 0.3 = 40°C
60°C x 0.7 + 20 °C x 0.3 = 48°C
In case of an error:
• In case of a short circuit of the thermocouple -50°C
are shown.
• In case of a cable brake between thermocouple and
electronic -30°C are shown.
Filter options for analog output
Possible error of BA OFLONIC
Display text Description Behavior
Empty pipe When “Empty Pipe” is detected no flow measurement. Display flashing + text
Low Voltage When supply voltage is less than 18V the outputs are inactive. Display flashing + text
hort circuit When over load of the digital outputs is detected (>100mA), outputs are inactive. Only text
Lower limit When the flow is less than an adjustable limit and the output is configured for limit control. Only text
Upper limit When the flow is more than an adjustable limit and the output is configured for limit control. Only text
onic peed Actual sonic speed out of specified value. Run basic trim Only text

RETURNED EQUIPMENT HANDLING FORM
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Legal directives :
According to legal obligations and for our staff safety and workshop protection, it is necessary to send with the equipment this certificate
to declare the decontaminating procedures have been applied before shipment.
Your responsibility will apply in case of non-respect of proper operations.
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