Operating Instructions Software UCOM for
Contents
1. FA apparent from R in serial no e g mn2OR for type selection VA KKZ or VA pairs of variates 00000 without selecting Available 00000 without for vane wheel sensors without directional sensing 00001 with for vane wheel sensors with directional sensing Sensor monitoring Enabling and disabling the sensor monitoring only relevant for UVA or UFA in LDG16 housing when connecting an Ex isolation supply unit in series e g LDX2 before a UVA or UFA transducer in LDG16 housing the sensor monitoring must be disabled Available 00000 DISABLE with Ex isolation supply unit 00001 ENABLE without Ex isolation supply unit U385_UCOM_B_e_ 081020 www hoentzsch com 7 12 Software UCOM Il Operating Instructions hontzsch E flow measuring technology n Calibration number VA KKZ or TA KKZ only relevant for type selection 00005 VA KKZ or thermal sensor TA Calibration number KKZ is determined individually for vortex flow sensors VA and thermal flow sensors TA The KKZ allows for interchangeability of certain designs of flow sensors The KKZ can be found in the relevant Technical Data Sheet In the case of sensors with pairs of variates linearization of characteristics changing the KKZ does not change the output of the measured value Switching pulse limit value FAR Entry for the impact of the digital output as pulse output for quantity counting as limit value for the veloc ity v in m s or as directional out2. USB port on the PC Installation follows in two stages Rec ognition of new hardware twice see also the instructions in the programme folder UCOMe in the subfolder USB RS232 Converter Cable Transducers with HART interface are connected using the HART protocol modem with serial interface RS232 directly to a serial port on the PC If a HART protocol modem with USB interface is being used this is con nected to a USB port on the PC and in this case the drivers must be installed First insert the HART proto col modem CD provided and then plug in the modem USB cable Installation follows in two stages Recog nition of new hardware twice see also the instructions in the programme folder UCOMe file MicroLink HART USB Installation pdf 2 12 www hoentzsch com U385_UCOM_B_e_081020 Operating Instructions hontzsch flow measuring technology Software UCOM Rea 1 Before configuration can begin ensure that PC and transducer are connected using the RS232 data cable or programming adapter or when using a HART protocol modem it is to be connected to the closed 4 20 mA load circuit with a total working resistance of between 250 and 500 Ohm The transducer is powered either by the mains adapter supplied with the programming adapter or when using a RS232 data cable or HART interface on the supply voltage terminals pay attention to type plate 24 VDC or 230 VAC Programming follows via the RS232 or HART in
3. field of the parameter Terminal value analog output 4 20mA 0 10V 0 x m s Terminal value x configurable Output variable at analog output is the average flow velocity proportional to the volume flow If the average flow velocity is not known it can be calculated from volume flow and pipe inside diameter using the integrated data processor see Menu Calculate V flow rate F measuring surface and Vm average flow velocity The formula for flow rate V is V F vp Using the formula PF Vm Vp for the profile factor PF results in V F PF w for the flow rate In this connection v is the local flow velocity This is the velocity close to the sensor element vane wheel with FA sensors or bluff body with VA sensors Sensor measuring range data is equivalent to the local flow velocity vp Example Measuring flow velocity with a probe in a tube of Di 80 mm Probe measuring range vp 0 5 40 m s Desired analog output setting 0 400 m3 h 4 20 mA Note necessary analog output scale must be in m s Taking the measuring range of the probe and the relevant profile factor PF as per Technical Data Sheet or Sensor Data Sheet for a measuring tube with internal diameter Di 80 mm PF 0 807 a measurable flow rate of 7 3 m3 h 584 1 m3 h is determined Usingv V F and V 400 0 0802 Pi 4 3600 m3 h results in the equivalent average flow velocity Vm 22 10 m s for a flow rate of 400 m3 h The terminal val
4. seconds higher values 20 seconds High time constants with strong fluctuations in the flow velocity result in a smoothing of the output signal 6 12 www hoentzsch com U385_UCOM_B_e_081020 hontzsch flow measuring technology Operating Instructions Software UCOM Rea Sensor type Enter type of flow sensor For vane wheel flow sensors FA type apparent from serial no e g mn20 00000 mc FA 00001 mn FA 00002 md FA 00003 mx FA 00004 FA pairs of variates see also parameter sheet pairs of variates For vortex flow sensors VA 00005 VA KKZ see also parameter calibration no VA 00006 VA pairs of variates see also parameter sheet pairs of variates Measuring range FA Enter measuring range for vane wheel flow sensors FA measuring range apparent from serial no e g mn20 not relevant for type selection FA pairs of variates VA KKZ or VA pairs of variates Available are 00000 03 3 m s for air gases 00000 20 20 m s for air gases 7 5 3 for md m s for water liquids 00001 40 40 m s for air gases 10 m s for water liquids 00002 80 80 m s for air gases 00003 120 120 m s for air gases Medium FA Enter medium for vane wheel flow sensors FA not relevant for type selection FA pairs of variates VA KKZ or VA pairs of variates Available 00000 G medium air gases 00001 F medium water liquids Directional sensing FA Enter sensing of direction of flow for directional vane wheel sensors
5. Collector Transistor or relay on Switching pulse m3 cbm litre only relevant if switching pulse limit value selection 00000 pulse output quantity counting or option LCD Selection whether quantity pulses of the pulse output should be displayed in m3 cbm or in litre Display in litre only permissible with measuring tube diameter of max 200 mm Available 00000 pulses in m3 cbm 00001 pulses in litre permissible with measuring tube diameter of max 200 mm m3 cbm litre per pulse only relevant if switching pulse limit value selection 00000 pulse output quantity counting or optional LCD Max pulse repetition frequency is 1 Hz 1 pulse per second 3600 pulses per hour Reasonable values for m3 cbm per pulse are 1 m3 per pulse 00001 for flow rates up to 3600 m h 10 m3 per pulse 00010 for flow rates up to 36000 m3 h 100 m3 per pulse 00100 for flow rates up to 360000 m3 h 8 12 www hoentzsch com U385_UCOM_B_e_081020 hontzsch flow measuring technology Operating Instructions Software UCOM Sy ES 1000 m3 per pulse 01000 for flow rates up to 3600000 m3 h Reasonable values for litre per pulse 11 per pulse 00001 for flow rates up to 3600 I h 101 per pulse 00010 for flow rates up to 36000 l h 100 I per pulse 00100 for flow rates up to 360000 l h 1000 per pulse 01000 for flow rates up to 3600000 l h depending on diameter and terminal velocity Ex
6. ad data Reads all stored parameters and displays them on the main form Parameter reading values X in red field are not available Calculate Calls up an integrated data processor to convert the units flow rate m3 h l min or l h to flow velocity m s The parameter terminal value analog output and limit value must be entered as flow velocity values If from the application only flow rate values and not flow velocity values are known then these must first of all be converted into flow velocity values for configuration of the terminal value analog output and limit value This can be done using the integrated data processor 3 Display fields Parameter set list no Displays the number of the used parameter set list Serial number Displays the serial number of the transducer Transducer type and software version appear in the centre of the status line 4 12 www hoentzsch com U385_UCOM_B_e_081020 Operating Instructions hontzsch flow measuring technology Software UCOM Rea Numerical values can be entered or selected using the input fields on the left of the parameter pages 4 Input fields By pressing the Save gt gt button the value on the left in the input field is saved in the transducer processing unit and is then displayed on the right in the field stored values Process value Bottom left above status line click on a parameter in an alphabetical parameter list to jump directly to the input
7. ample Recording consumption with an external pulse counter With a constant flow rate of 400 m3 h the counter delivers 400 pulses with a setting of 00001 per hour i e one pulse every 9 seconds With a constant flow rate of 400 m3 h and a setting of 00002 the transducer would deliver 1 pulse per 2 m3 i e only 200 pulses per hour Pulse configuration only relevant if switching pulse limit value selection 00000 pulse output quantity counting and directional sensing FA selection 00001 with directional sensing Allocation of pulse output to quantity counting to positive or negative quantity pulses Available 00000 pulses 00001 pulses Decimal places quantity display only relevant with optional LCD and switching pulse m3 cbm litre selection 00001 pulse in litre Quantity display always in m3 cbm If the allocation of the quantity pulse is in litres the decimal places of the quantity display can be defined Available are 00000 0 decimal places 00001 1 decimal places 00002 2 decimal places 00003 3 decimal places Reasonable values for the decimal places are from 11 9 per pulse 00003 3 decimal places from 101 991 per pulse 00002 2 decimal places from 100 I 999 per pulse 00001 1 decimal places from 10001 per pulse 00000 O decimal places Switching v Nv only relevant for Hoentzsch transducers type UVA and UFA Switching between actual velocity v and standard velocity Nv at analo
8. g Stored values data record number measured value unit date time can be viewed using the File but ton Processing the records The files are saved in the sub folder Logs All files are saved in ASCII format and can be opened using the text editors Records can be processed at any time using the import function of a database or spreadsheet Note While a measurement runs time interval not 0 no parameters can be read or stored For release of read ing and storing of parameters set time interval to 0 12 12 www hoentzsch com U385_UCOM_B_e_081020
9. g output and with optional LCD Available are 00000 0 v actual velocity 00001 1 Nv standard velocity Calculate the standard velocity from the actual velocity the following parameter actual pressure standard pressure and standard temperature using the following formula N velocity Nv B velocity v N temperature B pressure B temperature N pressure Absolute pressure in hPa temperature in K Kelvin U385_UCOM_B_e_081020 www hoentzsch com 9 12 Software UCOM Il Operating Instructions hontzsch E flow measuring technology n Note When choosing 00001 1 Nv standard velocity the parameters terminal value analog output and limit value in standard velocity and the quantity pulse in standard volume are evaluated Actual pressure absolute only relevant for Hoentzsch transducers type UVA and UFA if switching v Nv selection 00001 Nv Input in hPa only relevant for Hoentzsch thermal transducers type UTA Input in hPa The mean working pressure is required in order to rectify the zero point Actual temperature only relevant for Hoentzsch transducers type UVA and UFA if switching v Nv selection 00001 Nv Input in K Kelvin Click on the unit K with the right mouse button to activate a window to convert C to K Kelvin the value can be transferred to the input field using the Transfer button Standard pressure absolute only relevant for Hoentzsch transducers type UVA and UFA
10. hontzsch flow measuring technology Operating Instructions Software UCOM DS ES zertifiziert nach ISO 9001 2000 certified quality Operating Instructions Software UCOM for adjusting Hoentzsch transducers UFA UVA UTA U10 U10a U12 Ex and U15 Ex H ntzsch GmbH Gottlieb Daimler Stra e 37 D 71334 Waiblingen Hegnach Telefon 07151 1716 0 Telefax 07151 58402 E Mail info hoentzsch com Internet www hoentzsch com U385_UCOM_B_e_081020 www hoentzsch com 1 12 Bu h Q N CZ SC h Operating Instructions Software UCOM flow measuring technology Index First Steps Menue Display Fields Input Fields Pairs Of Variates Function Buttons Measured Values NO UBRWNE Preface The UCOM software is designed for configuring Hoentzsch transducers for FA VA and TA flow sensors and for recording measuring data The values displayed can be stored as LOG files ASCII files for any length of time in the subfolder Logs Stored data can be read in at any time using the import function in a spreadsheet or a database Stored data can be edited using the text editor Transducers with serial interface RS232 are connected using the programming adapter or the RS232 data cable either directly to a serial COM port on the PC or via a USB RS232 converter cable with a USB connec tion Drivers must be installed if using a USB RS232 converter cable First insert the CD provided and then plug the USB RS232 converter cable in to the
11. if switching v Nv selection 00001 Nv Input in hPa Standard temperature only relevant for Hoentzsch transducers type UVA and UFA if switching v Nv selection 00001 Nv Input in K Kelvin Click on the unit K with the right mouse key to activate a window to convert C to K Kelvin the value can be transferred to the input field using the Transfer button 10 12 www hoentzsch com U385_UCOM_B_e_081020 Operating Instructions hontzsch flow measuring technology Software UCOM Rea To determine the connection between output frequency and flow velocity up to 30 pairs of variates can be logged for volumetric calibration of vane wheel measuring tubes FA Di and vortex measuring tubes VA Di Setting for flow sensor type selection 00004 FA pairs of variates for measuring tubes FA Di or 00006 VA pairs of variates for measuring tubes VA Di 5 Pairs of variates Number of pairs of variates Specifies the number of stored pairs of variates Select 02 30 pairs of variates Pair of variates Index field for selection of pair of variates number xx 01 up to number of pairs of the pair shown below it Velocity Pair of variates xx velocity value xx h value Pair of variates xx h value xx frequency value xx Button Print pairs of variates prints a list of all stored pairs of variates List displayed on screen with text editor and can be printed using the text editor print function or saved as File 6 F
12. nts the stored parameters and a measuring point identifier The files are saved in the sub folder proto cols File Exit Shuts down the connection to the transducer and exits the programme The CCS save new parameter check sum function is carried out and confirmed with ok see under Function Buttons Connect automatic or manual The menu function connect automatically scans the available COM ports automatically takes a few sec onds and displays the available Hoentzsch transducers in a window for selection of interface Once the selection has been made a connection via the chosen COM port is made using the Resume button U385_UCOM_B_e_ 081020 www hoentzsch com 3 12 Il Operating Instructions hontzsch E operating Instr flow measuring technology n Note If multiple interface cards with COM ports are installed in the data processor scanning the COM ports can take more than 30 seconds Should connect automatically result in a conflict between equipment because the COM ports are automati cally scanned the menu item connect manually can be used to manually select the COM port and recon nected with Resume An active connection is displayed in the status line In case of a connection error the above settings must be checked Disconnect Disconnects the transducer The CCS save new parameter check sum function is carried out and confirmed with ok see under Function Buttons Re
13. or or relay on If the digital output is not selected as directional output then the analog output displays the flow velocity with a sign i e the zero point lies in the middle of the analog output range at12 mA or 5V see also Switching impulse limit value direct FA Profile factor PF When measuring with FA VA or TA probes in circular pipelines a profile factor must be used to revaluate the local velocity v to the average velocity vp The profile factors determined by Hoentzsch for fully devel oped turbulent flow dependent on probe type and inside diameter of measuring tube can also be found in the relevant documentation which can be consulted for transducer setting see also Terminal value ana log output Pipe inside diameter Enter the inside diameter in mm to calculate the quantity for pulse output or with optional LCD to display flow rate and quantity Example The nominal size for the tube inside diameter is 40 mm Real measurement 40 7 mm Required transducer setting 0040 7 Note If the measuring surface does not have a circular cross section e g a rectangular cross section then the diameter of a circular surface with the same dimensions must be calculated from the rectangular surface Time constant The time constant affecting the output values at the analog output can be set in a range from 1 99 seconds The time constant of thermal sensors type U10a and U12 Ex can be set in the range from 1 20
14. put for vane wheel flow sensors FAR Available are 00000 pulse output for quantity for quantity counting 00001 limit value v for velocity v in m s 00002 directional output FA for directional sensing vane wheel flow sensors Note If the digital output is selected as directional output in the case of directional sensing vane wheel flow sen sors then the analog output displays the amount of the flow velocity In the case of positive direction of flow the digital output is inactive Open Collector Transistor or relay off with negative direction of flow the digital output is active Open Collector Transistor or relay on If the digital output is not selected as directional output then the analog output displays the flow velocity with a sign i e the zero point lies in the middle of the analog output range at12 mA or 5V see also Terminal value analog output Limit value v only relevant if switching pulse limit value selection 00001 limit value for velocity Enters a limit value in m s positive limit value only in the case of directional sensing If the velocity for the limit value is not known it can be calculated from flow rate and pipe inside diameter using the integrated data processor see Menu Calculate If the measured value is less than the limit value the digital output is inactive Open Collector Transistor or relay off if the measured value if greater than the limit value the digital output is active Open
15. terface A USB to RS232 converter or a HART protocol USB modem is necessary when using the USB interface USB units must be assigned to a COM port number in the system software The largest COM port number available is 16 see instructions above 1 First Steps 2 Start UCOM programme 3 To connect transducers see menu connect automatically or connect manually 4 To read data from the transducer see menu read data 5 Data in the left input fields can now be modified A selection window can be opened when an input field has an opening arrow Using the save gt gt button the value in the left of the input field is saved in the transducer processing unit and then displayed on the right in stored values A help text appears if the cursor remains on an in put field for longer than a few seconds 6 If new parameter values have been saved in the transducer before disconnecting the data cable and the power supply from the transducer the CCS Clear Check Sum must be carried out either by closing the UCOM programme or by pressing the CCS button or File Exit or menu disconnect see under Function Buttons In this way a new parameter check sum is saved in the transducer without which the analog ouput signals an error message not relevant for Hoentzsch thermal transducers type Ui0a U12 Ex and U15 Ex 2 Menu File Open Opens stored LOG files The files are saved in the sub folder Logs File Print Pri
16. ue of the analog output is also to be set at vm 22 10 m s equivalent to a flow rate of 400 m h Set value 0 807 as profile factor U385_UCOM_B_e_081020 www hoentzsch com 5 12 Il Operating Instructions hontzsch E operating Instr flow measuring technology n Note If the measuring surface does not have a circular cross section e g a rectangular cross section then from the rectangular surface the diameter of a circular surface with the same dimensions must be calculated The diameter calculated in this way can be used to find the associated profile factor PF in the Technical Data Sheet or Sensor Data Sheet see also input value tube inside diameter Note As a general rule the profile factor for measuring tubes FA Di VA Di or TA Di is 1 000 as a pre caution consult the relevant Technical Data Sheet Note The transducer profile factor setting does not affect the scaling of the analog output Reason the terminal value of the analog output is firmly assigned to the average flow velocity determined using profile factor Note If the digital output is selected as directional output in the case of directional sensing vane wheel flow sen sors then the analog output displays the amount of the flow velocity In the case of positive direction of flow the digital output is inactive open collector transistor or relay off with negative direction of flow the digital output is active open collector transist
17. unction Buttons Function Button CCS Bottom right above the status line CCS Clear Check Sum This function sets a new check sum for checking the parameter storage Must be carried out when a parameter has been changed to avoid error signal at analog output and must be confirmed with ok not relevant for Hoentzsch thermal transducers type U10a U12 Ex and U15 Ex The CCS function follows automatically when quitting UCOM and after Disconnect Note After modifying parameters always shut down the UCOM programme first of all or apply Disconnect before disconnecting the transducer from the power supply and the data connection thus ensuring that a new parameter check sum has been stored Function Button CVM Bottom right above the status line CVM Clear quantity counter This function resets the quantity counter displayed in an optional LCD U385_UCOM_B_e_ 081020 www hoentzsch com 11 12 Software UCOM Il Operating Instructions hontzsch E flow measuring technology n 7 Measured values The current measured value is displayed in the top half of the main form Switching between m s m3 h and l min is possible Record The UCOM software has the facility to store measured data at fixed intervals using the Record button Values between 2 60 seconds can be entered here Data is then stored depending on the time interval setting approx every 2 60 s Press the Stop button to complete recordin
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