3-beam ultrasonic flowmeters
for custody transfer
of liquid hydrocarbons
ufc iii f/...eex ultrasonic flow converter
ufs iii f/...eex ultrasonic flow sensor (43 pages)
Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������4 1�1 Symbols used ������������������������������������������������������������������������������������������������5 1�2 Warnings used �����������������������������������������������������������������������������������������������5 2 Safety instructions �����������������������������������������������������������������������������������������������5 3 Getting started �����������������������������������������������������������������������������������������������������6 3�1 Device functions with factory setting �������������������������������������������������������������6 3�2 Setting options �����������������������������������������������������������������������������������������������7 4 Functions and features ����������������������������������������������������������������������������������������7 4�1 Pressure Equipment Directive (PED) �����������������������������������������������������������7 4�2 Applications ���������������������������������������������������������������������������������������������������7 5 Function ���������������������������������������������������������������������������������������������������������������8 5�1 Process measured signals ����������������������������������������������������������������������������8...
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6�3 Ground ��������������������������������������������������������������������������������������������������������28 6�4 Installation in pipes �������������������������������������������������������������������������������������29 7 Electrical connection �����������������������������������������������������������������������������������������30 8 Operating and display elements �����������������������������������������������������������������������32 9 Menu �����������������������������������������������������������������������������������������������������������������33 9�1 Process value display (RUN) ����������������������������������������������������������������������33 9�2 Main menu ��������������������������������������������������������������������������������������������������34 9�3 Extended functions EF �������������������������������������������������������������������������������35 9�4 Submenu OUT1 and OUT2 ������������������������������������������������������������������������36 9�5 Submenu CFG and TOTL ���������������������������������������������������������������������������39 9�6 Submenu MEM and DIS �����������������������������������������������������������������������������41 9�7 Submenu COLR and SIM ���������������������������������������������������������������������������43...
13 Troubleshooting �����������������������������������������������������������������������������������������������56 14 Maintenance, repair and disposal ��������������������������������������������������������������������58 15 Factory setting �������������������������������������������������������������������������������������������������59 1 Preliminary note You will find detailed instructions, technical data, approvals and further information using the QR code on the unit / packaging or at www�krohne� com�...
1.1 Symbols used ► Instruction > Reaction, result […] Designation of keys, buttons or indications → Cross-reference Important note Non-compliance may result in malfunction or interference� Information Supplementary note� 1.2 Warnings used CAUTION Warning of personal injury� Slight reversible injuries may result� 2 Safety instructions •...
• The manufacturer assumes no liability or warranty for any consequences caused by tampering with the product or incorrect use by the operator� • Installation, electrical connection, set-up, operation and maintenance of the product must be carried out by qualified personnel authorised by the machine operator�...
3.2 Setting options • Output functions of OUT1 and OUT2 (temperature or volumetric flow; switching, pulse, frequency, analogue signal, totaliser function) • Reversal of the volumetric flow direction, monitoring of the volumetric flow • Response times for volumetric flow measurement (measured value damping, start-up delay, low flow cut-off) •...
5 Function • The unit detects the volumetric flow on the magnetic-inductive volumetric flow measuring principle� • As additional process value the unit detects the medium temperature with volumetric flow� • The unit has an IO-Link interface� • The unit displays the current process values� •...
5.2 Volumetric flow direction In addition to the flow velocity and the volumetric flow, the unit also detects the volumetric flow direction� 5.2.1 Determining the volumetric flow direction [Fdir] An arrow with the text "flow direction" on the unit indicates the positive flow direction�...
: Volumetric flow in negative flow direction + LFC: Minimum volumetric flow (low flow cut-off) in positive flow direction - LFC : Minimum volumetric flow (low flow cut-off) in negative flow direction LFC → 5.8 Low flow cut-off Positive volumetric flow direction = marked flow direction, with factory setting marked by the arrow on the unit or after change via [Fdir] marked by the supplied label (→...
5.3.1 Metering method of the quantity meters The quantity meters take account of the volumetric flow direction when totalling the consumed quantity (→ Fig. 2). The following metering methods can be defined via the parameters [FPro1] and [FPro2]: [FPro1] Metering method [FPro2]* Negative volumetric flow quantity values (against the marked flow direction) are not taken into account for totalling�...
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FPro1 / FPro2 = 0 + – Q FPro1 / FPro2 = – + – Q FPro1 / FPro2 = + + – Q Fig� 2: Taking account of the volumetric flow direction when totalling the consumed quantity + Q = volumetric flow quantity in positive direction - Q = volumetric flow quantity in negative direction V = volumetric flow quantity absolute (= sum of negative and positive volumetric flow) Volumetric flow changes to negative direction...
5.3.2 Meter reset There are different ways to reset the quantity meters� → 11.3.4 Manual meter reset → 11.3.5 Time-controlled meter reset → 11.3.7 Meter reset via external signal → Meter reset via the IO-Link interface If the quantity meter is not reset by applying one of the above-mentioned methods, an automatic reset is made when the maximum volumetric flow quantity that can be displayed is exceeded (overflow)�...
5.3.4 Consumed quantity monitoring via switching signal (preset counter) When the volumetric flow quantity set under [ImPS] has been reached, the output provides a switching signal� The output remains switched until the meter reset� After a totaliser reset metering starts again� The accuracy of the consumed quantity measurement depends on the accuracy of the volumetric flow measurement�...
[rTo2] Output Meter reset [rTo2] = No effect on the output • The preset counter is reset - when a manual reset is made (→ 1, 2,��� h 1, 2,��� d 11�3�4) or 1, 2,��� w - when the maximum display range is exceeded (overflow) or - when the set time is exceeded�...
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Frequency signals are not available via the IO-Link interface� Volumetric flow measurement Temperature monitoring FOU=On FOU=On 130 % 130 % 120 % 120 % =100 % =100 % FOU=OFF FOU=OFF OL cr.OL OL Err Fig� 3: Output characteristics frequency output Frequency signal in kHz Measured value (volumetric flow or temperature) Display range...
5.5 Analogue output The unit provides an analogue signal that is proportional to the volumetric flow (velocity or volume flow) or to the medium temperature� Within the measuring range the analogue signal is between 4 and 20 mA� The measuring range is scalable: •...
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[mA] FOU=On 21,5 20,5 FOU=OFF cr.UL UL cr.OL -130 -120 [% MEW] [°C] [°F] Fig� 4: Characteristics of the analogue output according to the standard IEC 60947-5-7 Analogue signal Measured value (volumetric flow or temperature) Detection zone Display range Measuring range Scaled measuring range Volumetric flow (negative volumetric flow quantity value = volumetric flow against the marked flow direction)�...
5.6 Switching output OUTx changes its switching status if it is above or below the set switching limits (flow velocity or volume flow or temperature)� Hysteresis or window function can be selected� Example of volumetric flow monitoring: Fig� 5: hysteresis function Fig�...
5.7 Measured value damping The damping time [dAP] enables setting after how many seconds the output signal has reached 63 % of the final value if the volumetric flow value changes suddenly� The set damping time stabilises the switching outputs, the analogue outputs, the display and the process value transmission via the IO-Link interface�...
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3� Volumetric flow falls below [LFC] within [dSt]� > Outputs are reset at once; [dSt] is stopped� Fig� 7: dSt for hysteresis function (Example) Condition Reaction 1 Volumetric flow quantity Q reaches LFC dSt starts, output becomes active 2 dSt elapsed, Q reached SP Output remains active 3 Q below SP but above rP Output remains active...
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Fig� 8: dSt for window function (Example) Condition Reaction 1 Volumetric flow quantity Q reaches LFC dSt starts, output becomes active� 2 dSt elapsed, Q reached good range Output remains active 3 Q above FH (leaves good range) Output is reset 4 Q again below FH Output becomes active again 5 Q below FL (leaves good range)
5.10 Simulation With this function, the process values volumetric flow, temperature and meter reading of the totaliser are simulated and their signal chain is checked� When the parameters cr�UL, UL, OL und cr�OL are set, process values that lead to an error message or warning can be simulated (→...
5.11 Colour of the characters in the display Via the parameters [coL�F], [coL�T] and [coL�V] the colour of the characters in the display can be set: • Permanent definition of the display colour: - bk/wh (black/white) - yellow - green - red •...
The IODDs necessary for the configuration of the unit, detailed information about process data structure, diagnostic information, parameter addresses and the necessary information about the required IO-Link hardware and software can be found at www�krohne�com� The IO-Link interface provides the following additional functions using suitable hardware and software:...
Function Explanation Flow Override When activated: simulation volumetric flow standstill (Q = 0) > All outputs behave as with volumetric flow standstill� During the simulation the original totaliser value remains saved without any changes even if there is a real volumetric flow�...
6.1 Recommended installation position ► Install the unit so that the measuring pipe is always completely filled� ► Install in front of or in a rising pipe� 6.2 Non-recommended installation position Directly in front of a falling pipe In a falling pipe...
At the highest point of the pipe system F = volumetric flow direction 6.3 Ground If installed in an ungrounded pipe system (e�g� plastic pipes), the unit must be grounded (functional earth)� Ground brackets for the M12 connector are available as accessories → www.krohne.com.
6.4 Installation in pipes The units with a G thread can be installed in the pipes using adapters� Information about the available mounting accessories at www�krohne�com� A correct fit of the unit and ingress resistance of the connection are only ensured using Krohne adapters�...
7 Electrical connection The unit must be connected by a qualified electrician� Voltage supply according to EN 50178, SELV, PELV� ► Disconnect power� ► Connect the unit as follows: OUT2 OUT1 Colours to DIN EN 60947-5-2 BK: black; BN: brown; BU: blue; WH: white Connection •...
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Circuit examples: 2 x PnP 2 x nPn 1 BN 1 BN 2 WH 2 WH 4 BK 4 BK 3 BU 3 BU 1 x PnP / 1 x analogue 1 x nPn / 1 x analogue 1 BN 1 BN 2 WH 4 BK...
8 Operating and display elements 1 and 2: Switching status LEDs • LED 1 = switching status OUT1 (on if output 1 is switched) • LED 2 = switching status OUT2 (on if output 2 is switched) 3: TFT display •...
9 Menu 9.1 Process value display (RUN) It is possible to select three process value indications during operation: ► Press button [▲ ] or [▼]. > The display changes between the standard indication and two other views� > After 30 s, the device returns to the standard display� Running���...
9.2 Main menu Process value display (RUN) FSP1 ImPS FEP1 ImPR FrP1 ASP2 DIn2 AEP2 rES, Info, OUT1, OUT2, CFG, TOTL, MEM, DIS, COLR, SIM Explanation of the parameters → 9.4 Submenu OUT1 and OUT2...
9.4 Submenu OUT1 and OUT2 Main menu TEMP SEL1 FLOW Hno Hnc Fno Fnc ImP FRQ dir�F Info FSP1 OUT1 ImPS FEP1 OUT2 ImPR FrP1 OU On OFF FOU1 OUT1 TOTL TEMP SEL2 FLOW COLR Hno Hnc Fno Fnc In.D dir�F I ASP2 DIn2...
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Explanation submenu OUT1 Parameter Explanation and setting options SEL1 Standard measured variable for evaluation by OUT1: FLOW (volumetric flow) or TEMP (temperature) Output function for OUT1: • Volumetric flow: Hno, Hnc, Fno, Fnc, ImP, OFF, FRQ, dir�F • Temperature: Hno, Hnc, Fno, Fnc, OFF, FRQ Hno = switching signal with hysteresis function normally open Hnc = switching signal with hysteresis function normally closed Fno = switching signal with window function normally open...
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Explanation submenu OUT2 Parameter Explanation and setting options SEL2 Standard measured variable for evaluation by OUT2: FLOW (volumetric flow) or TEMP (temperature) Output function for OUT2: • Volumetric flow: Hno, Hnc, Fno, Fnc, In.D, OFF, dir.F, I • Temperature: Hno, Hnc, Fno, Fnc, OFF, I Hno = switching signal with hysteresis function normally open Hnc = switching signal with hysteresis function normally closed Fno = switching signal with window function normally open...
9.5 Submenu CFG and TOTL Main menu uni.F L/min /h m/s gal/min gal/h fl oz/min ft/s uni.T °C °F - - - Info - - - OUT1 PnP nPn OUT2 - - - Fdir TOTL rTo1 2 h 3 h 4 h 5 h ... rES.T rTo2 2 h 3 h 4 h 5 h ...
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Explanation submenu CFG Parameter Explanation and setting options uni�F Standard unit of measurement for volumetric flow: m/s, l/min*, m /h, gal/min, gal/h, fl oz/min, ft/s (*Type DN6: ml/min) uni�T Standard unit of measurement for temperature: °C or °F Measured value damping for switching output in seconds (only volumetric flow) Start-up delay in seconds (only volumetric flow) Output logic: PnP or nPn...
9.6 Submenu MEM and DIS Main menu Info Lo.F OUT1 Hi.F OUT2 Lo.T Hi.T TOTL LanG DE EN FR diS.L L2.Temp L2.Totl L3 COLR diS.U d1 d2 d3 diS.R 0 90 180 270 diS.B 25 50 75 100 OFF...
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Explanation submenu MEM Parameter Explanation and setting options Lo�F Min� value of the volumetric flow quantity measured in the process Hi�F Max� value of the volumetric flow quantity measured in the process Lo�T Min� value of the temperature measured in the process Hi�T Max�...
9.7 Submenu COLR and SIM Main menu coL.F bk/wh red green yellow r-cF G-cF Info - - - cFH�F OUT1 - - - cFL�F OUT2 coL.T bk/wh red green yellow r-cF G-cF - - - cFH�T TOTL - - - cFL�T coL.V bk/wh red green yellow...
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Explanation submenu COLR Parameter Explanation and setting options coL�F Colour of the characters in the display for the volumetric flow value cFH�F Upper limit of the colour change for volumetric flow measurement cFL�F Lower limit of the colour change for volumetric flow measurement coL�T Colour of the characters in the display for the temperature value cFH�T...
10 Set-up After power on and expiry of the power-on delay time of approx� 5 s the unit is in the Run mode (= normal operating mode)� It carries out its measurement and evaluation functions and generates output signals according to the set parameters�...
11.1 Parameter setting in general 1� Change from the RUN mode to the main menu [●] 2� Select the requested parameter [▲] or [▼] 3� Change to the setting mode [●] [▲] or [▼] > 1 s 4� Modification of the parameter value 5�...
During operation: [ ] is displayed if you try to change parameter values� Unlocking: ► Make sure that the unit is in the normal operating mode� ► Press [▲] and [▼] simultaneously for 10 s until [Reset menu lock] is displayed. Via the IO-Link interface the setting buttons can be locked with [Lock via system] so that you can no longer set parameters on the unit�...
11.2.4 Frequency signal volumetric flow OUT1 ► Select [SEL1] and set FLOW� Menu OUT1: ► Select [ou1] and select frequency signal: FRQ [SEL1] ► Select [FEP1] and set the upper volumetric flow value at which the [ou1] frequency set in FrP1 is provided� [FEP1] ►...
11.3.3 Quantity monitoring via the preset counter OUT1 ► Select [SEL1] and set FLOW� Menu OUT1: ► Select [ou1] and set pulse output: ImP [SEL1] ► Select [ImPS] and set the volumetric flow quantity at which output 1 [ou1] switches� [ImPS] ►...
11.3.8 Read consumption values ► Select [Vol�1], [Vol�2] or [Vol�L] to display the respective meter reading: Menu TOTL: [Vol�1] - [Vol�1] = current meter reading totaliser 1 - [Vol�2] = current meter reading totaliser 2 [Vol�2] - [Vol�L] = current meter reading lifetime totaliser [Vol�L] 11.4 Settings for temperature monitoring 11.4.1 Limit monitoring OUT1 or OUT2 / hysteresis function...
11.4.4 Analogue signal temperature OUT2 ► Select [SEL2] and set TEMP� Menu OUT2: ► Select [ou2] and select analogue signal: I (4...20 mA) [SEL2] ► Select [ASP] and set the value at which 4 mA is provided� [ou2] ► Select [AEP] and set the value at which 20 mA is provided� [ASP2] [AEP2] 11.5 User settings (optional)
11.5.3 Standard unit of measurement for volumetric flow ► Select [uni�F] and set the unit of measurement for standard display (→ Menu CFG: 11�5�2)� [uni�F] m/s ml/min l/min m /h gal/min gal/h fl oz/min ft/s DN15���DN25 The consumed quantity (meter reading) is automatically displayed in the unit of measurement providing the highest accuracy�...
11.5.10 Colour of the characters in the display ► Select [coL�F] for volumetric flow or [coL�T] for temperature and set the Menu COLR: colour of the characters for the process value in the standard display: [coL�F] [coL�T] - bk/wh = permanently black/white [cFH�F] - yellow = permanently yellow [cFL�F]...
11.5.11 Error behaviour of the outputs ► Select [FOU1] and set the error behaviour for output 1: Menu OUT1: [FOU1] Switching output - On = Output 1 switches ON in case of an error Menu OUT2: - OFF = Output 1 switches OFF in case of an error [FOU2] - OU = Output 1 switches irrespective of the error as defined with the parameters...
11.6 Diagnostic functions 11.6.1 Read min/max values ► Select [Lo�x] or [Hi�x] to display the highest or lowest process value Menu MEM: measured: [Lo�F] [Hi�F] - [Lo�F] = min� value of the volume flow measured in the process [Lo�T] - [Hi�F] = max� value of the volume flow measured in the process [Hi�T] - [Lo�T] = min�...
If a process value fails, the other process values are still available� Additional diagnostic functions are available via IO-Link → IODD interface description at www�krohne�com� ERROR ERROR Unit faulty / mal- FOU Replace device�...
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cr�OL Critical Detection zone FOU Check volumetric over exceeded flow range / tempera- limit ture range� cr�UL Critical Detection zone not FOU Check volumetric under reached flow range / tempera- limit ture range� Short Short circuit OUT1 Check switching OUT1 circuit and OUT2 outputs OUT1 and...
Lock via Setting buttons Unlock the unit via system locked via parameter IO-Link interface setting software, using the parameter parameter change setting software� rejected IO-Link IO-Link IO-Link function for Deactivate IO-Link OUT1 flash optical identification function� OUT2 of the unit active Display range / detection zone →...
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