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Manual Starflow Ultrasonic Doppler Instrument With

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1. a oe oe Ue oe ed eee ee ee ee ee eee eee ee eee ee eee eee ee ie ie ide ike irik ik ieik ie ik ik ik ik ik is it ie ik it ik ik ik ik ik ik ik ik ik ik ik it ik ik ik ie ik ik ik ik ie ie i Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 101 of 133 MANUAL STARFLOW MODEL 6526 The flow distribution in the channel may no longer be laminar and the relationship between the logged and mean channel velocity may be distorted The histogram produced appears similar to those described under Measuring Unexpected Velocities and Measuring Turbulent Velocities on pages 96 and 98 12 2 13 Blocking of the Signal Paths by Objects One strategically placed solid object such as a rock stick or other acoustically opaque material may block the path to either sensor blanketing any signals There will be a dominance of zero signals however those below 20 mm sec are discarded The histogram will be distorted and have a characteristic vertical face at 20 mm sec fe l 0 100 200 300 400 500 600 SURFACE en E ae FLOW STARFLOW Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 102 of 133 MANUAL STARFLOW MODEL 6526 Flow Measurement Extensions STARFLOW is able to perform a wide range of flow calculations This enables STARFLOW to be used in partly filled circular pipes regular open channels and natural streams Other closed shapes such as ovoid pipes require a user defined Area Rat
2. Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 116 of 133 MANUAL STARFLOW MODEL 6526 13 3 Hardware Register Information The information contained in the header may be viewed in Test Mode or used by programmers wishing to write their own unload and analysis programs The table below gives a description of each register numbered 0 to 255 For multiple byte registers the convention used is least significant byte to most significant byte LSB MSB Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 117 of 133 MANUAL STARFLOW MODEL 6526 13 3 1 Model 6526 V4x 09 Memory Assignments The STARFLOW operating the standard instruction set has the following fixed memory assignments in the Hardware Register Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 118 of 133 MANUAL STARFLOW MODEL 6526 Software Revision Number 40 onwards Log Program runtime in milliseconds 16 bit integer Error flags see Appendix A 4 Sean counter 32 bit integer 4 14 J msb of address bits 5 23 used in LUBLK amp MVBLE Instructions 13 21 Reserved Z 2 Counter Channel C0 3 J dj 4 Arthmetic status register set by ADD SUB MUL DIY instructions j Reserved for Log Program variables ZOO ZU 2 Water Depth in mm 2 Water Temperature fin 01 C 204 2 Battery Voltage in 01 206 2 Water Velocity fin mm sec 208 S Reserved 216 4 Doppler Shift Hz A8 Frequency 18
3. ay 10119 512kevap 5 512to128 15 51 2tst 15 6004D WLI 15 6501tst 15 6507TST 6512Ps 6536DSD 6536DTST 6536sdi cs3evs 6542NAT F AISTST L P6DRU v File Name Starflow New Group Cancel Save Group Starlogy 4 Enter the scheme name in the File Name field There is a maximum length of eight characters The New Group button allows you to create sub folders of schemes Groups may be created inside groups too Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 69 of 133 MANUAL STARFLOW MODEL 6526 7 0 Programming Loggers Loggers are programmed from the main screen by clicking on the Program icon shown to the right You will be asked to confirm before the a programming will proceed Program StarlopV4 Program logger with scheme STaARFLOW Warning this will erase all data on the logger Clicking OK will open a new window that shows the progress of the programming Progress Stopping scheme Checking logger battery Battery voltage UF Configuring logger Ultrasonic flow recorder Initializing logger Loading logger program 24 Cancel If all goes well a Logger successfully re programmed message will appear with Disconnected as the final message Click OK to close the progress window Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 70 of 133 MANUAL STARFLOW MODEL 6526 If Any errors are detected and reported on
4. 0 19 89 19 89 0 000 0 19 89 0 000 0 i 10 OF AA Flow Fate Aaw FloRe 0 0 000 16 06 2008 2 45 50 PM 16 06 2008 2 44 00 PM 16 06 2008 2 44 10 PM 10 ne fone 7 A Aan Dhd aha Po Po Io oc Icoo om To change to the Graph view right click anywhere over the table data and select Graph from the menu To change the number of log records shown right click anywhere over the table data and select the required number of records from the View sub menu The data selected is always from the most recently logged records Since 100 records is the largest number available data logged more than 100 records ago cannot be viewed in Test Mode You will have to unload the logger to see older data 8 4 2 Log Buffer Graph View The Graph View displays the logged data in the form of a series line plot Each logged item forms a different series The time of log is the X axis the Y axis is the value of the logged items Main Butter Event Buffer 6 Batteny AVG V O Internal Temp AVG degl 7 A l l 15 26 15 35 15 44 15 53 16 02 16 11 To change to the Table view right click anywhere outside the plot area either of the axes or the Last N records title and select Table from the menu To change the number of log records shown right click anywhere outside the plot area either of the axes or the Last N records title and select the required number of records from the View sub menu The data selected is always from the
5. l i G C ro A AR S 0 mm s 1000 2000 3000 4000 5000 6000 5 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 95 of 133 MANUAL STARFLOW MODEL 6526 12 2 4 Effects of Surface Ripples In shallow water the presence of ripples or small waves on the surface can cause complications The ripples may be caused by wind or be a feature of the channel caused by obstructions in the channel or by irregularities on the bank Ripples will be moving and at a different velocity to the water In shallow and clean water the STARFLOW can clearly see the surface As the ripples move they present a varying effect on the Doppler signal At times the ripples will be positioned so that the carrier reflects away from the STARFLOW A minor signal is detected but many more signals are detected from the water and a correct velocity is measured SURFACE RIPPLES __ ee _ a a a ait ie STARFLOW Pa C When the ripples move slightly one can become positioned such that it becomes an acoustic mirror reflecting back a powerful signal and dominating the signals form the channel The median velocity will be biased toward the ripple velocity and will be incorrect Median Quartile Average Maximum 0mm 100 200 200 400 500 600 i Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 96 of 133 MANUAL STARFLOW MODEL 6526 In practice a series of histograms in su
6. processed a messy signal interpreted and a higher velocity results Usually the processed quartile is too large Using the filter will prevent most of these signals e Very Slow Velocities Below the Measuring Threshold Adminis Legitimate velocity some noise Velocity too slow only nose remianing Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 99 of 133 MANUAL STARFLOW MODEL 6526 12 2 7 12 2 8 12 2 9 12 2 10 Measuring Velocities in Very Shallow Water Poor quality velocity data will result if the water becomes so shallow that the top of the eyes of the transducer come out of the water A configuration setting can be used to switch off the velocity operation of the STARFLOW when measured depth is so shallow that the eyes are exposed The Velocity Trace display will be similar to that for very slow velocities The depth transducer will measure depths down to about 5mm If it is important that these very low flows be measured then the STARFLOW can be fitted into a narrow channel or recessed into the bed such that all the STARFLOW is underwater whenever flow occurs Interference to the Transducers It is inevitable that bed mounted instruments will become layered with silt or algae They may sometimes be affected by siltation or debris The following effects have been noticed Silt Algae and Other Soft Saturated Materials When covering the transducers with a 1 2mm thick layer appear to
7. version 4 Software comes with the following predefined groups e Loggers Unidata logger instruments e PDLTRANS Unidata Instrument Library e NIWA NIWA Instrument Library Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 52 of 133 MANUAL STARFLOW MODEL 6526 When you select an Instrument Library all the instruments in the library relevant to the selected logger are shown The right half of the Instruments window shows the instruments that have been added to your scheme you will now see for the Starflow Starflow Ultrasonic flow recorder Starflow Flow extension all models 6 2 2 1 Adding an Instrument To add an instrument to your scheme either double click on its line in the left half of the window or select it then click the Add button at the bottom of the window A copy of the instrument will be added to the list in the right half of the window For example to add the a Starflow LCD Module instrument to your scheme Edit the scheme and select the Instruments icon Select the PDLTRANS library Select the SMS instrument in the list Click the Add button to add the instrument to the scheme a Scheme Instruments Instrument Library FER vJ Scheme Ultrasonic flow recorder a POLTRANS Unidata Instrument Library FS Logger Channels Instrumente CatCode Instrument Description SM Starflow Ultrasonic flow recorder ia 61036 Site ID PDL FTS w Site ID module SA Starflow Flow
8. 0 2008 AB CB Unidata Manual 6526 Starflow User Manual Issue 3 1 doc 2008 DM Copyright Unidata Pty Ltd 2000 2008 All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any spoken or computer language in any form or by any means Electronic mechanical magnetic optical chemical manual or otherwise without prior written permission of Unidata Pty Ltd 40 Ladner St O Connor Western Australia 6163 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 1 of 133 MANUAL STARFLOW MODEL 6526 10 INIRODUC TON corer E T de E a E re AE A AE EA ee A E 7 1 2 Typical Applications 2 2 0 0 cece eccceccseeceeceeeeeeceeeeeeseeceeceeeceeeseeseeseesseeeeeeseeteeseeeseeeeeneeneeees T Ug SRST COM ORGS merre E corneas et euee ne eeneeueeeeecteeesaeeeece sate 8 1 3 1 ACCESSO O S oS apres area e baseline denianduls E ome dubeustaidn E een atid dowinelep limseadndeusadan sebaiane dene 9 1E NSERC Gd acerca seta pasewane atte ates acest EE ERE E NT 10 2 0 OPERATING PRINCIPLES ccssccssscsscsescnsscnsecnssensscenenenenssenssenssensecesenensness 11 2 1 IV IGT Ol OC CIF seoaren neee E EOE E E ER EE A EE EEEE N E A ERE A E EOE 11 22 MICTOIOGGESl OP Sha s sssenrosnsn A E EESE EEEE 12 2 3 How STARFLOW Measures VelOCItY ccccccccccccseccececeeeeseeeeeeeeseeeseeeeseeeseueeseeetaeeeaes 12 24 Speed Of SOUN IN Water ccccccecccecessee
9. 1 doc Page 42 of 133 MANUAL STARFLOW MODEL 6526 5 7 7 Communications Mapping The Communications Map is where you create and name your required communications interfaces For example you might have one communication interface for when you connect directly via a serial cable to a local data logger and a second communication interface possibly on the same physical serial port as your cable for when you use a modem to connect to a remote data logger You will need to ensure your Communications Maps are correctly configured before you attempt to program or unload a data logger The Communications Map is accessed from the main Starlog V4 window via the menus File Options Communications Map Communications Device Map a Direct to COM Direct WE Direct to COM Hame df Network UDF Direct to COMI RS232 Communications Port oa COM Baud Rate S600 Communications Timeout 2 p e a By default all your physical serial ports will be listed plus a Network port The default serial ports are all direct To support modem communication click the New button and select Phone modem RS232 from the list Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 43 of 133 MANUAL STARFLOW MODEL 6526 New communications device Direct R5232 2 Phone modem A5232 fs Network UDP df Network TCPAP afia B602 Ethernet to AS23272 UDP model Cancel Click OK A new communi
10. Clock Considerations The STARFLOW s time clock is automatically set to your computer s time whenever you program the STARFLOW During normal operation the STARFLOW time clock may slowly lose or gain time Over a long period this may accumulate into a significant time error especially if you use Incremental Unloads and never re Program the STARFLOW in normal use To correct a time clock error simply re Program the STARFLOW remembering to Unload any logged data first If you are Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 20 of 133 MANUAL STARFLOW MODEL 6526 using a linear buffer and programming the STARFLOW after every unload you will not have accumulated time errors Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 21 of 133 MANUAL STARFLOW MODEL 6526 3 0 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Specifications Mechanical Size Weight Material Cable MicroLogger Storage Memory Log Interval Communication SDI 12 Flow computation Control Operating Temperature Compatibility Velocity Range Resolution Accuracy Signal Path 290mm x 70mm x 25mm LxWxH 850g 2kg with 15m cable PVC body Stainless steel mounting plate 15 metre 9 way vented cable SQL Compatible 100kbyte CMOS RAM Programmable 5 seconds to 1 week RS 232 300 38400 baud 1200 baud instrument channel Flow Rate Totalised Flow CMOS output trigge
11. In open channels special mounting brackets may be required Special protection from vandalism and interference may also be required STARFLOW saltation load concentrated offset to oen side along invert The sensor can be located at the invert of the pipe but may be better located slightly to one side of the invert to avoid alluvial material or heavy debris transported during higher flows It will not be affected by being located partly up the side of a pipe provided it remains aligned with the flow For details of installing the STARFLOW ina pipe using the Model 6705 Expanding Band Kit see the Appendix on page 163 The sensor can also be located in the bed of a natural or artificial channel Again it should be installed and located in such a way as to avoid accumulating debris being buried by alluvial material or getting washed away The cable should be protected from damage oN Solar panel battery and Bed STARFLOW socket for Z E o Cast concrete slab STARFLOW mounted to resist scour Bad STARFLOW 25mm duct for cable Pickets Heavy steel plate Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 26 of 133 MANUAL STARFLOW MODEL 6526 4 3 STARFLOW Pointing Upstream or Downstream STARFLOW can be pointed either upstream or downstream depending on which would produces more accurate data Pointing the sensor end downstream will stop it accumulating debris however in some ch
12. MODEL 6526 15 0 Appendix B STARFLOW SDI 12 Interface 15 1 Introduction SDI 12 is an industry originated serial digital interface bus designed to allow an operator to connect a wide variety of transducers meteorological hydrological water quality etc to a single SDI 12 Data Recorder such as a STARLOGGER with a single cable bus This means that you could for instance connect several STARFLOW instruments along with the other SDI 12 sensors to another STARFLOW instrument or a STARLOGGER or another brand SDI 12 Data Recorder and not have to worry about combinations of RS 232 parallel analog BCD serial analog RS 422 etc signal types A unique feature of STARFLOW is its ability to operate as an SDI 12 sensor or configure the STARFLOW s MicroLogger to be an SDI 12 Data Recorder This appendix assumes that the reader is familiar with the operation of the SDI 12 Sensor Sensor and the SDI 12 Data Recorder the Recorder 15 2 Using STARFLOW As An SDI 12 Sensor To use the STARFLOW as an SDI 12 Sensor you must first set its SDI 12 Configuration using the advanced settings TAB Select SDI SENSOR and adjust any SDI 12 configuration such as SDI 12 Address and Channels to report The STARFLOW will continue to operate at its pre set scan rate and will perform all the normal logging functions STARFLOW measurements RS 232 communications and data logging co exist with SDI 12 interrogation Whenever an SDI 12 Data Recorder
13. New Open C Custom ae Settings beck Logbuffer INSTRUMENT Des Events OES Library O Instrument Oe Systems DOES Loggers DIES Templates ODEs Code Oe New ODEs Open DEM Save DEF Close ODEs Print By default Starlog version 4 starts in the Basic User profile which only allows access to a subset of Scheme Editor functionality The Technical User has full access to the Scheme Editor plus access to the instrument library The System Developer has complete access to all aspects of the Scheme Editor and the various libraries including data logger definitions and the raw code generated by the Scheme Editor If none of the built in options match your preferences select Custom which allows you to individually select which Scheme Editor functions are visible Once you have made your selection it is possible to lock the configuration so it cannot be changed This is useful for when you are setting up a turnkey type system where unrestricted use of the Scheme Editor may be inappropriate To lock the User Profile click the Lock button s Lock StarlogV4 Editor Profile Eg Enter Password _ Re enter password Cancel You will need to enter your password twice to make sure you ve got it right The Lock button will change to Unlock If you need to change the User Profile settings in the future click the Unlock button enter your password and make your changes Unidata Manual 6526 Starflow User Manual Issue 3
14. STARFLOW Varying angle of beam The doppler shift measured is the velocity component along the line between the particle and the transmitter so this changes _5 as the particle traverses the beam Unidata Manual 6526 Starflow User Manual Issue 3 1 doc VELOCITY Page 90 of 133 MANUAL STARFLOW MODEL 6526 12 1 2 Measuring Errors Due To Signal Noise Signal Noise is a convenient term used to classify any Doppler shifts that can not be explained as legitimate measurements of water velocity The STARFLOW is measuring tiny signals echoed back from small particles along a path scattered with many other particles all in motion The returned signals are sometimes echoes of echoes vague and ambiguous and can be misinterpreted by the measuring circuits resulting in an incorrect Doppler shift These result in frequency shifts being measured that are outside the range of velocities expected They can represent several percent of measurements in a scan but are typically widely distributed They are usually statistically irrelevant because of the signal analysis techniques used to define the median Median 472mms Quartile y a Average 2042mm s Maximum S307 mms SIGNAL NOISE ea mm s 1000 2000 3000 4 000 5000 6000 12 2 Channel Characteristics Affecting The Signal All signals are affected by the factors discussed above Additional factors related to channel and flow characteristics can influence t
15. STARFLOW MODEL 6526 1 3 1 Accessories The following accessories should be purchased according to your application requirements Model 12V 12Ah Sealed Lead Acid 6907C Battery Model 7W Solar Recharge Panel amp 6904C Mount Model 12W Solar Recharge Panel amp 6904D Mount Model Weatherproof Enclosure with 6701E Frame Model 6603A 5 SQL 5 or 10 metre Extension Cable or 10 Model SQL 10 metre or 20 metre 6603V 1 Vented Extension Cable 0 or 20 Model 6705 Expanding Band Kit Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 9 of 133 MANUAL STARFLOW MODEL 6526 1 4 Getting Started To use STARFLOW follow these steps 1 2 3 4 Install the STARFLOW Support Software onto your PC compatible computer Create a scheme STARFLOW Program for the measurement project Install the STARFLOW instrument on site Load Initialise the STARFLOW instrument with a scheme And some time later 5 Unload retrieve the recorded data from the STARFLOW instrument and process the results Refer to the relevant sections of this manual for details and review the comprehensive Installation Checklist to make certain you have taken all the necessary steps Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 10 of 133 MANUAL STARFLOW MODEL 6526 2 0 Operating Principles The STARFLOW measures velocity depth and temperature each scan interval 15
16. TRUE whenever channel A is between the values B and C inclusive This event is TRUE when bit B of channel A is set This event is TRUE when bit B of channel A is not set Page 64 of 133 MANUAL STARFLOW MODEL 6526 6 4 2 6 4 3 Event Settings To edit events click on the Events icon as shown to the right The ns default Basic User Profile is configured to hide the Events icon You will need to enable it by following the instructions under User Profiles on page 41 Make sure the Scheme Events option is ticked The following window will appear Events nables ing to BU er High temp on anne Internal Temp 55 er High temp off Channel lt B Internal Temp 50 Description High temp state On Event A Until Event B HT upper HT lower E nables logging to BUFFO when true Not high temp NOT Event Enable Event w nge High temp state change DELTA Event A egin Enter high temp state Event AND Event B T change Event Leave high temp state Event AND Event B nol change Always X Output tS lt None gt Force Log to Buffer Each event has a name a description a type between zero and three parameters an output action and a force log action e Name While there is no particular length limit this should be a short mnemonic of the event It is what is shown when another event refers to the event and in the parameter list boxes for those events that take other events as parameters You don t see
17. a lookup table called the Area Rating Table The Area Rating Table is automatically generated when the scheme is saved from information provided in the Flow extension instrument An Area Rating Table is created for each scheme This table is generated by one of three methods depending on the STARFLOW site Partially filled Enter offset diameter and dead sector in circular pipe Area Rating Table window Open Open channel and Entering the correct dimensions in the Channel natural flow extension instrument stream Other closed User in shapes Defined like an ovoid pipe Pipe Create a text file listing measurements Nominate this file in the scheme s User Rating file Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 105 of 133 MANUAL STARFLOW MODEL 6526 Partially Filled Pipe There are four parameters needed to define a pipe installation Range m Depth range of STARFLOW This defines the depth range able to be measured by the STARFLOW There are two ranges 2m and 5m although if the depth will never be above the 1m range this should be selected for greater precision Define the smallest maximum depth for the channel that is compatible with your STARFLOW as this will give best results Example For a 2m depth range STARFLOW in a 900mm diameter pipe choose 1 to improve accuracy Offset m This defines the offset from the bottom of the pipe to the position of the STARFLOW depth
18. be added and deleted also note that the Starflow range should be selected this will be written on the front of the Starflow If your water depth will always be below 1m it is advisable to choose the 1m range 6526 Starflow A B amp C Table Type Open Channel z Flow Range m Z OK Starflow Range im Display Units lon s1 0 tt l s Cancel Channel Setup 250 500 750 1000 1250 1500 1750 2000 2250 2500 2750 3000 325 Offset mm Edit Point Channel Point 1 Channel Point 2 Channel Point 3 Channel Point 4 x 11000 mm a fi fo mm Clear Delete Add 3285 Y 127 5 3 The table type can also be a pipe in this situation the pipe dimensions should be entered 6526 Starflow A B amp C Table Type Pip m Flow Range Medium Starflow Range im Display Units cr l s v Cancel Pipe Setup Offset m 2q Diameter m 500 Dead Sector ml fo water level x pressure STARFLOW instrument Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 104 of 133 MANUAL STARFLOW MODEL 6526 4 In the case of a User Defined Area Rating Table select the text file to be used 6526 Starflow A B amp C Table Type User Rating Flow Range i i J OK Starflow Range im v Display Units cr er s1 sti Cancel User Rating File Browse 6 Once this has been completed then Save the Scheme Creating an Area Rating Table To calculate Flow STARFLOW uses
19. have little effect on the signals logged Provided the material is flexible and saturated the ultrasonic signals can be transmitted and received through it Burying the Transducer in Sand Part buried sensors continue to operate Provided some part of both velocity sensors are above the sand level the velocity recorded is the same 5 as if the sensor was clear pe a Completely buried sensors result in the signal collapsing The signal does not appear to escape from beneath the sand to interrogate the water above The following histogram is typically seen Note that the Quartile is reporting 214 indicating that the spread of Doppler shifts is very wide and there is little consistency in shifts detected Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 100 of 133 MANUAL STARFLOW MODEL 6526 Median Quartile Average Maximum mmis 100 200 300 400 500 600 12 2 11 Debris on the Sensors A similar effect to saltation can result from leaves and fine debris covering the sensors If the sensors are partly clear the recording is not effected However one leaf lying across the two velocity sensors is enough to corrupt the signals and produce the type of histogram produced from a buried sensor 12 2 12 Disruption of the Flow Pattern by Debris Larger debris in the vicinity may affect the logged values by changing the velocity distribution in the field of view of the sensor SURFACE
20. headers for each column of data recorded by your log programs Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 39 of 133 MANUAL STARFLOW MODEL 6526 StarlogV4 options Date Time Format dd mmyyyy hh mm ss Output File Headers Channel Labels Channel Units Scheme Description Logger Serial Number TIIKI Date file naming convention SCHEME INDEX Insert Yariable e g _01 CS Cancel In the following sample file test S N 7434 Time Voltage RAW Voltage RAW Temperature RAW Humidity RAW mV mV degC pct 04 10 2006 15 59 50 1051 0 896 0 26 4 96 1 test is the scheme name S N 7434 is the logger serial number Time Voltage RAW Temperature RAW and Humidity RAW are the Channel Labels which also incorporates the type of logging and mV degC and pct are the Channel Units The remaining lines are the logged data 5 7 5 3 Starlog V3 Options On the Starlog V3 tab you can set the Starlog version 3 folder locations Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 40 of 133 MANUAL STARFLOW MODEL 6526 StarlogV4 options Starlog 3 Schemes Path C SSTARLOGSSCHEMES Browse Starlog 3 Data Path CASTARLOGSDATAN Browse Starlog 3 Application Path CS TARLOGSSTARLOG EXE Browse Generate Starlog 3 support files for PSILOG and Crossramp Cancel The StarlogV3 Schemes Path Is the location of your ver
21. is used to determine how accurate the data being reported is and if the Starflow is picking up good signals or bad signals if a quartile higher than 100 is generated this generally says that the data being recorded is unreliable Min Samples to analyse The Starflow requires a certain number of samples to determine if the data being provided is accurate the default setting is 20 and this is recommended if there is less than this then the data could be widely spread causing inaccuracies in reported data Max number of samples This setting allows the Starflow to receive a certain number of samples during a scan rate period in general the more samples the better as then your range of velocity samples becomes more accurate in general circumstance 200 samples is enough for good data quality but in poor flow areas this should be increased to 500 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 58 of 133 MANUAL STARFLOW MODEL 6526 6 3 Other buttons The other factors are factory defaults and should not be changed Set to zero or use last value If one of the CDT criteria is not met e g quartile gt 100 or Min samples to analyse lt 20 then the software will either record a zero or the last value obtained in general flow conditions and for data quality a zero is usually advised More detail of these settings can be found on page 86 Log Buffer Open the Log Buffer window by clicking on the icon shown to t
22. libraries Organisations with standard logging systems can create templates to suit those systems There is essentially no limit to the systems that can be built The Code section is for those schemes with extended functionality that require custom code It contains a Code editor with tools that assist layout and increase readability To create a scheme you need to open the Scheme Editor Click on the Scheme Editor icon in the main window as shown to the left Editor When the Scheme Editor is open select New Scheme from the File menu or click the New icon on either of the toolbars Starlog 4 Scheme Editor oy Window Open Scheme n StarlogV4 Scheme Editor File Window TTE Setup gt Exit gA S Open A list of data loggers will appear Select the 6526 Starflow ultrasonic Doppler flow recorder by double clicking it For example a 6004 2 is selected below Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 49 of 133 MANUAL STARFLOW MODEL 6526 v Select Logger Type 17 6004 3 1286 Starlogger with keyboard LCD and PCMCIA card slot models A B and C a 1S 60040 1 5126 Starlogger with LCD model DY SGA B526 Starflow ultrasonic doppler flow recorder models 4 B and C B536 4 Electrode Conductivity Recorder models B and C BS36D 4 Electrode Conductivity Recorder model C FOOT 512K Prologger models 4 and B DWLA Digital Water Level
23. most recently logged records Since 100 records is the largest number available data logged more than 100 records ago cannot be viewed in Test Mode You will have to unload the logger to see older data To adjust which data series are plotted either use the checkboxes to the right of the plot area or right click in the plot area and select deselect the series from the Filter sub menu Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 76 of 133 MANUAL STARFLOW MODEL 6526 To see the specific value at a point on the graph move the mouse over the graph and line up the vertical line that moves with the mouse pointer over the point of the graph that you re interested in After a short delay a popup tooltip will appear showing the date time and value of the data at that position The following shows that at 08 02 2007 15 47 00 a value of 7 29 was logged Note that the mouse doesn t have to be on the plotted line any position vertically above or below but inside the graph area will work 9 0 Unloading Data from Loggers Once you ve had your logger operating for a while it will have recorded some data Unloading is the action of copying the data stored in the data logger into a CSV comma separated value file on your computer CSV files can be directly opened in Excel and are also a common format supported by other software such as Tideda and Hydsys Unloaded CSV data files are stored in a scheme sub folder
24. of improving the signal See Velocity Histograms beginning on page 87 for details on velocity trace histograms A Velocity Trace This program displays as a histogram the velocities collected during each measuring cycle It lets you observe the shape of the signal and review a mean velocity calculated in several ways Using this you may carry out tests and experiments in various flow environments Depth 14 mm 1794 mms Quartile 19 wie 197 mmis Haimi 194 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 87 of 133 MANUAL STARFLOW MODEL 6526 12 0 Velocity Histograms The Velocity Histograms that you will see by using Velocity Trace from the Control Panel are the STARFLOW s view of the channel It is the composite of a range of factors including both characteristics of the equipment the sampling method and the velocity dynamics within the channel The following statistics are computed from the range of doppler shifts measured for each cycle MEDIAN The computed median of all the doppler shifts detected Measured in mm sec This is the value presently logged QUARTILE A ratio of the width of the peak to the height This can provide an indication of the quality of the histogram 20 to 50 are typical values A transducer buried in sand will give 100 to 200 AVERAGE The mathematical average of all measured velocities in mm s This can be unacceptably biased by signal
25. of the folder specified by the Data Path option for Version 4 schemes see Starlog V4 Options on page 39 or the Starlog V3 Data Path option for Version 3 schemes see Starlog V3 Options on page 40 To unload logged data from your data logger to your PC click on the Unload icon shown to the right The following window will appear D Unload Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 77 of 133 MANUAL STARFLOW MODEL 6526 Unload Data from Datalogger Main Buffer Event Buffer 6 C Full Unload Unload Data Partial Unload Append to current file If your scheme has defined multiple buffers you must unload each one in turn There are three options for downloading each buffer 1 Full Unload This unloads all the data available on the logger into a new CSV file 2 Partial Unload For fixed log interval buffers this unloads all the data between two dates into a new CSV file For event based buffers this unloads a selectable number of log records starting at the most recent 3 Incremental Unload This unloads all data logged since the last time you unloaded the logger If you ve never unloaded the logger since you programmed it this will be a Full Unload Tick the Append to current file checkbox if you want the data to be appended to the most recently unloaded data otherwise the data will be stored in a new file When you have selected the unload method you want click the Unload Data bu
26. the computer screen You may then correct them and Program STARFLOW again Error messages are Check that the cable is connected to the right communication port Check that this port you are using is ae selected in the Communications window p for this Scheme Consult the computer s documentation to verify the port s designation Timeout on Communications errors STARFLOW not Output responding to request Could be caused Timeout on Input Logger will have powered down by a program running on your computer in the background Check connections halt other programs running on your computer then try again Extended error x Hex byte expected Bad Checksum lt CR gt expected Verify error Error configuring STARFLOW Write down the number check connections then try again If unsuccessful contact your nearest support centre Transmission errors Non fatal informative errors indicating a communication error has been detected Check cabling or Modem s telecommunications line The transmission is automatically retried and the system will proceed normally File not found Firmware insufficient Modem Reports No Carrier Modem Reports Busy Modem Reports No Dial Tone Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Save the Scheme again this generates files needed or re install STARFLOW Software The Hardware chosen for the Scheme doesn t mat
27. the scheme STARFLOW ko view tesk mode channels correctly Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 72 of 133 MANUAL STARFLOW MODEL 6526 You should select the named scheme in this case Starflow and load its Test Display The Test Mode window is divided into four sections Scheme Information Log Information Scheme Channels Log Buffers a a ae Each of these items is explained in detail below 8 1 Scheme Information Scheme Information Scheme Name STARFLOW Logger Time 16 06 2008 2 47 05 Fl Logger State Logging Scan Rate Ag The Scheme Information section has the following items e Scheme Name The name of the scheme programmed into the logger e Logger Time The date time of the logger e Logger State One of Primed Logging or Stopped 1 Primed The logger hasn t yet started logging Loggers with no built in instruments excluding internal battery and temperature sensors will not start logging until three scans have passed since a plug was connected to their Input Signals connector 2 Logging The logging is sampling and recording data 3 Stopped The logger is not recording This may be because the inputs have been unplugged or the logger Main Buffer has filled only applicable to Linear types see Other Buffer Settings on page 62 e Scan Rate The time between consecutive samples of the inputs Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 73 o
28. to 600 seconds and logs data according to your specification in the scheme The measured data are logged and then scaled and processed during presentation and processing 2 1 Micrologger The STARFLOW contains a 128K data logger which controls the instrument s operation and logs the measurements Water Velocity in the vicinity of the STARFLOW is measured acoustically by recording the Doppler shift from particles and microscopic air bubbles carried in the water Water Depth above the STARFLOW is measured by a pressure transducer recording the hydrostatic pressure of water above the instrument Temperature is measured to refine the acoustic recordings These are related to the speed of sound in water which is significantly affected by temperature Battery Voltage is measured to allow the STARFLOW to stop operating if the supply voltage is below defined limits Flow flow rate and total flow values are computed by STARFLOW from user defined channel dimension information see Flow Measurement Extensions on page 109 Alternatively the flow rate may be computed from the refined logged data using PC based computation of area x mean from each logged point Total flows are then accumulated as rate x time Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 11 of 133 MANUAL STARFLOW MODEL 6526 2 2 Micrologger Operation The MicroLogger switches on the STARFLOW instrument once per scan The scan rate is specified by the
29. to the software or your schemes always mention the version of your software 6 0 Scheme Management 6 1 Selecting a Scheme Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 47 of 133 MANUAL STARFLOW MODEL 6526 To select a scheme click the Select icon shown to the right The following window will appear if schemes have already been created v Select Scheme Seles Starog 4 Starlagy3 Starlogy 4 Templates scheme bene Demo iZ Demaz Description i 1286 Starlogger with Keyboard new cheme Logger 128 Starlogger with keyboard and LED models 4 6 and C b004 2 The tabs at the top allow you to view all your version 4 schemes and all your version 3 schemes if you have any Select a scheme by double click its name 6 2 Creating Editing a Starflow Scheme The Scheme Editor is used to create edit and delete schemes It can also create templates and data logging systems The program structure is shown below scheme New Open Save Settings Logbuffer Instrument Events Scheme Editor Instruments Create edit and Delete Systems schemes Loggers Templates Code New Open Save Close Print Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 48 of 133 MANUAL STARFLOW MODEL 6526 The Scheme section is mainly used for creating and editing schemes with standard functionality The Library section is used for modifying the available
30. user see Using the Scheme Editor on page 66 Each time the STARFLOW switches on it performs the following tasks Measurement Each scan interval user adjustable from 15 seconds to 10 minutes the MicroLogger switches the STARFLOW on It then measures velocity depth and temperature see below These signals are stored in the MicroLogger memory Analysis The MicroLogger then performs data processing and analysis defined in the scheme you have loaded see Creating a New Scheme on page 69 This includes averaging maximum minimum and totalizing calculations Flow computation is also performed at this time Communications If a computer is connected to the STARFLOW instrument the MicroLogger establishes communications via the RS 232 channel An SDI 12 interrogation sequence will also be initialised at this time Note RS 232 and SDI 12 communications will occur simultaneously with other operations Data Logging When the scan occurs at a log interval from 15 seconds to 1 week the MicroLogger records user defined measurement values velocity depth flow etc into its memory log buffer Here the data remains until the STARFLOW is unloaded into a computer 2 3 How STARFLOW Measures Velocity When sound is reflected from a moving target the frequency of the sound is varied by the velocity of the target This variation is known as a Doppler shift To measure water velocity in open channels STARFLOW exploits the particles movin
31. your data in Excel gives you a lot more power to display format print and analyse your data When opened in Excel two sheets are created the first one is for viewing the data in a tabular format Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 83 of 133 MANUAL STARFLOW MODEL 6526 11 0 11 1 Z STARFLOW_2008Jun16_01 xIs C Depth AY Velocity Temperati Flow Rate Flow RAV Total Flow RAVY mm mmis 6 16 06 08 14 44 10 16 06 08 14 44 20 8 16 06 08 14 44 30 9 16 06 08 14 44 40 10 16 06 08 14 44 50 11 16 06 08 14 45 00 12 16 06 08 14 45 10 13 16 06 08 14 45 20 16 06 08 14 45 30 16 06 08 14 45 40 16 16 06 08 14 45 50 17 16 06 08 14 46 00 18 16 06 08 14 46 10 1 20 28 M 4 WA STARFLOW_2008Jun16_01_Chart STARFLOV lt 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 a a A G m G m G a B a GA ma GE mar GE ma GE man GA man GA man GA ma GA man GE nr m A m A ma G ma G maa G aa D o GA m GE mar GE ma GA man GA man GA ma GA mn GA mn GE n There is also a second sheet called filename _Chart that displays the data as a graph Drai dahh Diagnostics Diagnostics are accessed from the main Starlog V4 window by selecting biagnostcs the Diagnostics tab on the left toolbar See the screenshot to the right iy Diagnostics provides several functions to assist you with various problems you may encounter using data loggers Each fun
32. 100 or more times The velocity of this reflector may bias or dominate one velocity measurement This will tend to be averaged out during the logging period if it only happens occasionally If it happens consistently it is a site characteristic The relevance of this to the mean channel velocity will need to be understood and compensated for in processing 12 2 2 Velocity Variations Due to Cross Section Changes If changes to the channel cross section introduce different velocity regimes within the view of the STARFLOW the histogram is distorted At low flows in clean streams the beam can be reflected for some distance and see unexpected velocities from some distance away Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 92 of 133 MANUAL STARFLOW MODEL 6526 FACE s FACE FOW OTARFLOW Higher velocities could also be seen at localised parts of the channel where water is accelerating around obstacles or still carrying the effects of upstream higher velocities 2631 mms 43 6 S067 mmis 3260 mins Median Quartile Average Maximum COMPOSITE DISPLAY Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 93 of 133 MANUAL STARFLOW MODEL 6526 12 2 3 Measuring Unexpected Velocities In some cases signals are from the wrong targets A waving weed aquatic animals a strong stationary reflector in the bed slow moving saltation targets or ripples on the surfa
33. 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 2 2 2 2 2 2 2 2 Z 2 2 2 2 2 1 1 2 2 2 2 2 2 3 3 2 2 2 2 2 2 2 2 2 es ee ee ee ee ee ee ee eee ee ee ee ee 100000000000 O00000 0000 O00000 00000000 100000000000000 ee ee eee ee e ee ee ee eee eee ee eee a 10 2 2 Opening with Notepad Opening your data file in Notepad can be useful if you suspect some file corruption Notepad doesn t try to interpret the data so you can scan through it and manually correct any anomalies a STARFLOW_2008Jun16_01 CSV Notepad File Edit Format View Help Depthtave velocityCava Temperaturetavai a degc 1 5 43 40 149 000 000 000 000 00D 000 00D Jood 000 000 00D 00D 000 000 ood 000 000 0 gt to WJ D to 2 2 2i 2 2i 2i Zt 2i 2i 2i 2i es 2i 2i Zt ae 2i e FR PP a A D D O O O O O O O O O O O O O O O O O O O O O O O O O O O O O D O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O 10 2 3 Opening with Excel Opening
34. 3 1 doc Page 131 of 133 MANUAL STARFLOW MODEL 6526 Position and tighten STARFLOW and band then 1 Bolt the STARFLOW mount to the band if desired also mount the STARFLOW instrument 2 Fold the band into a circle to easily fit inside the pipe 3 Position into place inside the pipe pe F z i pe l i SX i MneY Supe i 4 E O e 4 Slip the loose end of the band into the expanding clamp 5 Adjust clamp until band is tight inside pipe use spanner if necessary 6 Slip STARFLOW unit into mount and tighten e Security A padlock may be placed through the centre of the turn buckle to prevent the band and STARFLOW instrument being removed Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 132 of 133 MANUAL STARFLOW MODEL 6526 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 133 of 133
35. 4 Distribution Quartile A9 Quartile A 2 Number of Samples A10 Samples AG 125 Buffer Control Tables 411 Signal Gisa Log Frogram Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 119 of 133 MANUAL STARFLOW MODEL 6526 13 4 STARFLOW Instructions The STARFLOW instrument incorporates a STARLOG compatible MicroLogger which is a data recording unit programmed using a computer Its program resides in the first part of the loggers main memory after the Hardware Registers and Buffer Control Table It is defined by a user and loaded into logger memory from the host computer The logger program is executed every logger scan from 15 sec to 5 min The first instruction in the logger program is at Address 384 The Data Logger executes this program until an EXIT instruction is encountered opcode 0 13 4 1 STARFLOW Operation Sequence Every scan the STARFLOW performs the following sequence 1 Measure velocity depth temperature and battery and store their values in the Hardware Register area from Address 200 on 2 Execute the logger program until EXIT detected 3 If an RS 232 connection is sensed send c r prompt to Computer Port and wait for a response 4 Shut down STARFLOW and await next scan time 13 4 2 STARFLOW Program Instructions A logger program starts at Address 384 and consists of one or more instructions Each instruction is four bytes long even though some instruction do n
36. FLOW SDI 12 Implementation Notes The following technical information describes STARFLOW s implementation of the SDI 12 standard 15 3 1 SDI 12 Data Recorder Commands Two Scheme Program instructions are used to control the SDI 12 Recorder operation SDIGET which collects measurements from the nominated SDI 12 sensor and SDICONV which converts the collected data for use by the Log Program Measurements may be converted into fixed point Short Integers for manipulation by the Scheme Floating Point Numbers for logging by the Scheme or an ASCII string e Integers are two bytes e Floating Point numbers are 4 bytes e An ASCII string is zero byte terminated 15 3 2 Data Recorder Coordination Once an SDI 12 communication has commenced SDIGET instruction executed the SDI 12 Bus is busy and will ignore any subsequent SDIGET commands until the active measurement transfer is complete The measurements are stored in memory to be converted by a SDICONV instruction Converted measurements stored on MicroLogger channels may be further processed by the Scheme program and Logged Because most SDI 12 sensors unlike the STARFLOW Sensor require considerable time to make their measurements typically 60 seconds the STARFLOW Data Recorder remains powered up awaiting a response from the sensor This mode of operation usually requires the Scheme Program to initiate SDI 12 Measurements SDIGETs two scans prior to the desired Log Interval Th
37. MANUAL STARFLOW MODEL 6526 Manual Starflow Ultrasonic Doppler Instrument With MicroLogger Model 6526 This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules in the U S A These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense This equipment has been tested for compliance with European regulations as follows Application of Council Directive 2004 108 EC Standards to which Conformity is declared EN 61000 6 1 2001 EN 61000 4 2 1995 EN 61000 4 3 1995 EN 61000 4 4 1995 EN 61000 4 6 1996 ENV 50204 1995 Any changes or modifications to this equipment not expressly approved by the manufacturer Unidata Pty Ltd could void the user s authority to operate this equipment CE Fe Revision History File name Revision Date Authors Previous version BX 2004 RS JH Unidata Manual 6526 Starflow User Manual Issue 2 0 2007 AB CB JH MS KC Unidata Manual 6526 Starflow User Manual Issue 3
38. OW instrument 2 a 6526 Starflow A B amp C Table Type Pipe m Flow Range Medium Starflow Range 1m Display Units cr l s v Cancel Pipe Setup Offset rm 0 1 Diameter rm 0 9 Dead Sector m fo 075 STARFLOW instrument Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 108 of 133 MANUAL STARFLOW MODEL 6526 12 3 1 Open Channel and Natural Stream The dimensional definition of any open channel or stream consists of pairs of distance and reduced level measurement which define the profile of the channel or stream These pairs comprise the Channel Cross Sectional Area 6526 Starflow A B amp C Table Type Open Channel Flow Range Medium min A Starflow Range im Display Units er s1 a l s Channel Setup Channel Point 1 Channel Point 2 Channel Point 4 x 11000 mim Y 11000 mm Clear Delete Add 1750 x 3285 Y 82 5 For constructed channels this information is easily determined from known construction dimensions For natural streams you will need to make actual measurements of the stream bed In addition you require two parameters the depth range and offset Range m Depth range of the channel This defines the maximum depth of the channel There are two ranges 2m and 5m Define the smallest maximum depth for the channel that is compatible with your STARFLOW as this will give best results Examp
39. OW instruments do not need calibration for velocity measurement The velocity measured is the component along the beam Because the beam is at an angle to the flow the Velocity is adjusted by the angle cosine WAT ER SURFAC E WATER VELOCITY PARTICLE A Corer Frequency QUE Dep oe soir NOTA PARTICLE B a Camer Frequency ACOUSTIC BEAM A plus Doppler shift trom B STARFLOW 2 4 Speed of Sound In Water Velocity measurements are directly related to the speed of sound in water The factor used to scale STARFLOW Velocity measurement is based on the speed of sound in fresh water at 20 C see table below This velocity of sound gives a calibration factor of 0 550mm sec per Hz of Doppler shift This calibration factor may be adjusted for other conditions see the appendix STARFLOW Configuration Settings on page 151 For example the calibration factor for sea water is 0 5618mm sec Hz The speed of sound varies significantly with water density Water density is dependent on pressure water temperature salinity and sediment content Of these temperature has the most significant effect and it is measured by the STARFLOW and applied in the correction of velocity measurements Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 13 of 133 MANUAL STARFLOW MODEL 6526 The STARFLOW corrects for the variation of the speed of sound in water due to temperature using a factor of 0 00138mm s Hz C This c
40. Page 128 of 133 MANUAL STARFLOW MODEL 6526 16 1 MODEL 6705 Components The Model 6705 Expanding Band kit consists of the following parts amall Expanding Clamp Stainless Stee expanding tum buckle and band clips 10mm wide 100mm long 30mm expansion Use in pipes up to 600mm 24 dia Large Expanding Clamp Stainless Steel expanding tum buckle and band clips 10mm wide 150mm long 100mm expansion Use in pipes over 600mm 24 dia 1800mm Band Segment 0mm wide 0 6mm S Steel band with 50mm spaced locating holes at both ends for pop nivets cim Band Joiner lmm wide 50mm long S Steel joiner with 30mm spaced locating holes Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 129 of 133 MANUAL STARFLOW MODEL 6526 16 1 1 Band size selection To determine what components are needed for a STARFLOW pipe installation you need to know the pipe diameter Pipe dis in aa 1200 1 800mm e Pipes less than 300mm diameter are NOT RECOMMENDED FOR STARFLOW INSTALLATION due to instrument s size 16 2 Installation To prepare and install the STARFLOW into a pipe you need 6705 Expanding Band kit Electric drill Hand pop rivet tool Medium size adjustable spanner Heavy duty metal shears Measuring tape Do the following 1 Arrange clamp band s and joiner s so that STARFLOW unit will be positioned at the bottom invert of the pipe and an Expanding Clamp at the top o
41. RFLOW MODEL 6526 4 0 4 1 4 2 Installation STARFLOW is a very effective alternative to conventional flow measuring installations for small streams STARFLOW is unobtrusive and ideally suited to flow conditions in culverts channels and drains Cost maintenance and environmental impact of new installations is minimized by avoiding the construction of conventional flow measuring structures STARFLOW Mounting A versatile mounting clamp is available to secure a STARFLOW Instrument into a channel or a pipe Loosening the Nylock nuts enables the instrument to be removed for inspection The bracket saddle locks the instrument into its correct position and alignment Before Tightening Mounting Bracket check there is no debris between it and the STARFLOW unit Do not overtighten Locating The Starflow A typical installation is in a pipe or culvert with diameters between 300 and 2000 mm The STARFLOW should be located near the downstream end of a straight and clean culvert where non turbulent flow conditions are maximised The mounting should ensure the unit sits right on the bottom to avoid debris catching beneath it Model 6705 Expansion Band l Band adjustment STARFLOW Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 25 of 133 MANUAL STARFLOW MODEL 6526 In culverts the sensor can be mounted on a stainless steel band that is slipped inside the pipe and expanded to lock it in position
42. Recorder MAT Neon Terminal py Starevel 6547 Encoder and integrated micrologger System NIWA SSY be Ecologger 612 NIWA Ecologger w612E memor be Hydrologger NMA Hydrologger 2000 2001 bw Micrologger NIWA Micrologger 2000 amp Ecologger a7 NIWA 512K Starlogger Starlogger module 5126 logger all models he NIWA Starlogger Starlogger module 128K logger all models ae Rainlogger HiwiA Aainlogger 2000 j Smart RIG Smart RIG weNAT telemetry 6529 3 Evaporation monitoring system 6529 3 51 2K Evaporation monitoring system w51 2 logger z z iz BOO4D 2 512K Starogger with keyboard and LCD model D i Three new icons will appear inside the left toolbar Settings Instruments and Log Buffer 6 2 1 Settings These are settings for controlling basic logger functionality om Setting Click on the Settings icon Kog Y Scheme Scheme STAR cafu Ultrasonic flow recorder Scan Rate Logger Serial Number 1 min Scheme Description Ultrasonic flow recorder new scheme Date Time format j m Communications Direct MAR Direct to COM1 Default connection R5232 Communications Port bg COMI Baud Rate 9600 bd Advanced Delete Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 50 of 133 MANUAL STARFLOW MODEL 6526 One of the most important settings is the Scan Rate This defines how often the logger scans samples its inp
43. Regular Intervals 0 0 0 0 ccccccseeeeeeeeeeeeeeeeeeeesaeeeeeeseeeeeeseeeeeesaeeseeseaaeeeesaeeeeeeas 31 5 0 STARFLOW SUPPORT SOFTWARE ccscssscsccnsccsccnsensscssensecsscnsensecnnensseess 32 D1 COMPUTES REQUIFGIMGINS wivinsi dicts cicverwoantwniorabbeschebneuineniderivardecuecmplontnadduebmwembbonckewantes 33 DZ WAS EAN ACO eaea n E EE E ieee E A EEEE AE AS EA E EA 33 5 3 Upgrading From Version 3 Software cccccccccecccsecesccceeeceeeecececeeeeseeeseneeseeeseueeseeeseesaes 33 S4 OAN Ton CD ROM oreren n a E EE EE 33 5 5 Starting from Downloaded Files cccccccccecccceccceeeeee cece eeeeeeeseeeceuceseeeseeeeseeeseueeseeeseeesaes 34 56 Installing the OW AN Caceres tects ranctesin ges eee ease os a a a a aa aSa OE aii 39 5 7 Using the Software for the First Time ccccccsecccececeeeseeeeseseeseeeseeesegeeseeeseuseseeeseeeeees 35 5 7 1 Launching TGS ORV ANC enrasar A use oy daubeasbactaass 35 5 1 2 UO FIGS sirena aE n a aa a oe denies side i a E S 36 5 7 3 Backward CompanY ssns ESEE EREA EEUE 36 5 7 4 Roe TANO e E E EN 38 5 7 5 Conng nng VA OOO AS ess sccdsetadacsarers norinni nena E EAE E EAE EEE 39 5 7 6 ASO POMS ore A A AEA E E EA 41 5 Communications INIADIOING seeds ets Sentai codedacas ceed sededacdaten E ERa AE E a a E Ea sone 43 50 Slating the SOM W AN cassano nana a EEN NEE e TAANA EEEE 45 5 9 Finding the Version of the Software 1 0 0 cccccecceeecceeceeeeeeeeecaeeeseeeceeeeseeseeeeseeeseeee
44. Viewer have some formatting requirements e The first line in the file assigns a name to each column consisting of the channel name and the logging method raw average etc e The second line in the file assigns the units to each column mm degC etc e The third line and beyond is the unloaded data 10 2 Viewing the Data File Once you ve located the data file you want to view there are a number of ways to open it e Double click on it to open it using the Starlog V4 built in Data Viewer see Error Reference source not found below e Right click on it to open a context menu Open with Data Viewer Open with Notepad Open with Excel Send To Copy Delete Open containing Folder The Open with options are described below The Send To Copy Delete and Open containing folder are all handled exactly the same as when you right click on a file in the standard Windows file Explorer 10 2 1 1 Graph View The default mode for viewing your data is the Graph View This shows a zoomable graph on the left and individually selectable channels on the right Untick or tick channels to hide or show them The legend may be moved by dragging it to a new position The graph is zoomable by clicking and dragging out the rectangular area you want to zoom in to Reset the zoom by right clicking on the graph The zoom level is also reset when you make a change to the visibility of any channel Unidata Manual 6526 Starflow User Manua
45. aeeeaes 47 6 0 SCHEME MANAGEMENT ccccsscssssssnsnsscsscnscnscnsensensenssnsennsensennensennensensssens 47 Se 1516 1916 feo leo 61 8121 gt eee en ee ren eee ene eee ee eee ee eee 47 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 3 of 133 MANUAL STARFLOW MODEL 6526 6 2 Creating Editing a Starflow SCHEME cc ccccccccceccceseeseeeceeeeeeeeseeesseesaeesseeseeesseeeaes 48 6 2 1 SLL E ae ee ee ee eee eee eee eee ee ee eee 50 6 2 2 MESS RINT Sc se ws cee else E ssc cw paced ne cists cc ess eee nde ERE 52 Contigu unng the SUPT OW site cetheatain ard tawtiraa na RAA E E ES 54 OS LOOBU r E EE E ee eee ee rere 59 6 3 1 Merament Channels tse ate tetete aiii a a ei a aai aa aae a iSi 60 6 3 2 LO ONA e a AEE E E A E mene saeenea 61 6 3 3 Soa E a ee ee AE E E E O E A A AEE A E 61 6 3 4 0 1 2 IZE eee ene ee a EE E E E E eee eee ee 61 6 3 5 Jior MON ORIS airina ote caudate i a a a i EE a vein aR 62 oA EVON e A E 64 6 4 1 Ipen ONEN Cis a E E E E S 64 E AAE E EA EE A E E ace ead E E E O PAI EE T A O T 66 6 4 3 EVOCO OINO S aap E O eo 66 6 4 4 Using EVENE sse E E teense eae 67 6 5 SAVING the Scheme vvicccnccccncsevcececconsenesatsdeeseduesacbnddendesendsndse esntsvedeneseadecusesuarcsmwereessteedncwiorses 70 70 PROGRAMMING LOGGERS aiiesinetsescevecueasseeteaucsneanauueseduondseeoncisuntvonseneteaunenocunn 71 00 TEST MODE rra aa a E 73 8 1 Scheme Information we cecincsicscnvcesncncvenvewerase
46. al data and what the instrument measures temperature depth wind speed etc Click on the Instruments icon shown to the right v Scheme Instruments Instrument Library a S45 Alarm Analogue Sensor Barometric Pressure Extenal Supply Floss Instrument Power Tait M8110 MEAZ0B2 Raingauge Flow Meter Stage to Flow Relative Humidity Rolling Total SO Pressure Transducer Pyranometer Smart Ali Temperature VOLPROP Wind Direction He WINDSPEED Anemometer E WINDSTATS Wind Statistics Scheme Ultrasonic flow recorder sy Logger Channels H Instruments lescriptic ka Starflow Ultrasonic flow recorder FLOSYS Alarms notification Sa Starflow Flow extension all models Generic curent or voltage output sensor Analogue barometric pressure sensar Logger supply voltage all loggers Flosvs data retieval speed up code Instrument power controller Radio modem automatic configuration instrumer SO 12 high resolution analogue interlace Tipping bucket raingauge Pulse output flow meter Stage to flow conversion instrument AAT Ze OM Analogue RH sensor Rolling total and average module SO 12 Pressure Transducer Solar Radiation Pyranometer Smart rain intensity gauge Temperature sensor Volume proportional sampling instrument Wind direction instrument Wind speed instrument On logger calculation of wind means standard c ree New Add Lel The Instrument Library lets you select from major groups of instruments Starlog
47. annels the sensor body may disturb the velocity distribution unacceptably The velocity reading will be positive when pointing upstream and negative when pointing downstream The STARFLOW may be configured to only read positive velocities regardless of water flow direction See Flow Measurement Extensions on page 109 for details 4 4 Power Considerations If the battery is not continuously recharged either by a solar recharge system or some other recharge system it may require replacement All data is preserved for about half an hour however it is recommended that you STARFLOW is powered from an external 12 volts DC source 12V battery connected to the signal cable In normal operation 1 minute scan rate the STARFLOW consumes less than 0 8Ah per day This compares to 3 2Ah per day at a 15 second scan rate which is the fastest recommended sampling rate Refer to the section Battery Duration Table on page 18 If the battery is not continuously recharged either by a solar recharge system or some other recharge system it may require replacement All data is preserved for about half an hour however it is recommended that you 1 Unload the data from the STARFLOW 2 Replace the battery 3 Program STARFLOW with a Scheme If the 12V power is disconnected for more than 30 minutes recorded data will be lost If the 12V power falls below 11V the STARFLOW will stop recording it enters Sleep Mode Unidata Manual 6526 Star
48. ations requirements Site Interrogated Using Remote Telemetry You intend to interrogate STARFLOW using a modem remote telemetry In this case Use Circular Log Buffer in the scheme Perform an Incremental Unload If STARFLOW had a full log buffer it would take a long time to unload a process that may be costly You can shorten the time by performing an Incremental Unload so only data logged since the last unload is retrieved The STARFLOW continues to store the most recent data even if the log buffer has been filled It simply writes the new data over the earliest data stored 2 9 1 Site Visited At Regular Intervals You intend to visit the site regularly unload the full buffer then Program STARFLOW again as you leave The STARFLOW software will calculate how long you can wait between visits so that data from the site will not be lost In this instance Select Linear Buffer in the scheme Perform a Full Unload when you visit the site You must plan to visit the site before the data buffer is full otherwise you ll lose the most recent data After each unload you must re program STARFLOW before you leave the site Re programming STARFLOW resets the scheme to begin logging and the start of memory If instead you choose to use a circular data buffer and the log buffer becomes full the most recent data collected overwrites the earliest stored data Whereas once a linear buffer is full the most recent data will not be stored Time
49. butions that if they are correct may challenge some conventional ideas 1 2 Typical Applications The instrument is intended for economically recording flows in channels culverts and pipes It can also be used where existing techniques are unsuitable or too expensive It is particularly useful at sites where no stable stage velocity relationship exists and where flows are affected by variable tailwater conditions culvert entry blockages pipe surcharging other unstable flow conditions or even reverse flows MODELS 5m depth range Model 6526 51 STARFLOW Kit 2m depth range Model 6526 21 STARFLOW Kit Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 7 of 133 MANUAL STARFLOW MODEL 6526 1 3 System Components Your STARFLOW system consists of Model 6526 STARFLOW Instrument and Data Logger including 15m signal cable and weatherproof plug Model 6603DT SQL Drying Tube and Desiccant Model 6603D Adaptor cable for connecting the STARFLOW to a computer 9 pin RS 232 and battery Model 6526M Stainless Steel Mounting Bracket STARFLOW User s Manual Manual 6241 This manual STARFLOW Support Software Model 6301A0 Model 6526M Mounting Bracket 10 metra Signal Cable Model 6526A STARFLOW Instrument Model identification undemeath mounting clamp Model 6603DT Drying Tube Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 8 of 133 MANUAL
50. bvert of pipe see diagram 2 Drill 2 x 5mm holes 93mm spaced in the centre of the band to locate the STARFLOW instrument see diagram next page Use the STARFLOW mounting clamp as a guide Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 130 of 133 MANUAL STARFLOW MODEL 6526 Use a small pilot drill bit about 2mm then finish with the 5mm bit When drilling stainless steel DO NOT stop once drilling has begun as this will immediately blunt the drill bit rece s I oa eee k Ma aon i ae ED SS in A a o aNg A y I E eS TT C in J LF F Pe r i i r F Ex PARI A i BJOS Bien ai i Cuan Eu SEGMENT A ai 3 Pop rivet the band sections together if required and pop rivet the end of one band to the Expanding Clamp see diagram Note if a pop rivet tool is not available use M3 x 6mm stainless steel self tapping screws screwed inner to outer 4 If the inside circumference of the pipe is ACCURATELY known then cut the band assembly to this length LESS 25mm for fitting clearance Circumference Diameter x 22 T e Note the band length must be measured to include the Expanding Clamp fully closed bands and joiners all together as shown e Note if you are unsure of the pipe dimensions make the final measurement on site and cut the band assemble to suit the pipe Unidata Manual 6526 Starflow User Manual Issue
51. cally configure itself to access your existing schemes but only if they are on the same computer Version 3 software is typically installed in the C STARLOG or C STARFLOW folders Just copy the folder as is to the new computer making sure the folder names stay the same i e copy if it was installed in C STARLOG on the old computer copy it to C STARLOG on your new computer If you cannot or don t want to move your version 3 software before installing the version 4 software you can still proceed with the installation but you may need to manually configure the version 4 software as described under Starlog V3 Options on page 40 5 4 Starting from CD ROM Insert the CD ROM disc into the drive It should start automatically If it doesn t go to Start Programs All Programs gt Accessories Windows Explorer Select your CD ROM drive and double click on Launcher Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 33 of 133 MANUAL STARFLOW MODEL 6526 5 5 Starting from Downloaded Files There is a 30 day trial version of Starlog V4 available from our web site 1 To download the required files go to the Unidata web site http www unidata com au products software 6292 Unidata Starlog Yersion 4 Mozilla Firefox ioj x File Edit View Go Bookmarks Tools Help a z 5 gt v E x A E http iw unidata com au products software 6292 E Go ict Unidata Starlog ersion 4 K Starl
52. can access and log data sensed by it This can be useful if you have something with a limited number of inputs such as a Starflow but would prefer to have all data at a site logged by a single logger You could configure the Starflow as an SDI 12 sensor and use a Starlogger as an SDI 12 recorder to log the depth velocity flow from the Starflow as well as whatever other instruments you have eg wind speed direction air temperature rainfall To set a logger up as an SDI 12 sensor first add any required instruments to the logger Then open the logger instrument as described under Configuring the above and select the SDI 12 tab Tick Enable SDI 12 Sensor Mode to enable the controls Next select the SDI 12 Address to assign to the logger Finally for each channel you want to make available as an SDI 12 reading click the Add button to add it The following window will appear allowing you to select from the available channels Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 55 of 133 MANUAL STARFLOW MODEL 6526 Starflow Ultrasonic flow recorder SDI 12 Internal Channels SDI 12 Sensor C Microwire C HSI0 S DI 12 Recorder C Counter amp OUTO C DUTO amp OUTI SDI 12 Sensor Address 0 Y Double click on a channel to add it to the list Each added channel becomes an SDI 12 value numbered from zero starting at the top The following shows Battery as parameter 0 and Internal Temp as pa
53. cation map for a modem will be added to your list T Communications Device Map W Direct to COM1 Phone Modem W Direct to COM2 oe di Network UDP Phone modem on COM ae 2 Phone modem on COM R5232 Communications Fort BE COMI Baud Aate J600 Modem Reset Command ATZ Modem Configuration Settings IATEO Comms Timeout s 1 0 External Line Number Delete You will now need to configure it to use the correct serial port RS232 Communications Port preferred baud rate and any special dialling prefix numbers to get an outside line if youre on a PABX Note that you do not configure any telephone numbers in this dialog You will select the required Communications Device and set the telephone number when creating editing a scheme via the Settings dialog in the Scheme Editor See Creating Editing a Starflow Scheme on page 48 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 44 of 133 MANUAL STARFLOW MODEL 6526 5 8 Starting the Software To start Starlog version 4 you can double click on the icon on your desktop Alternatively you could select the program from the start menu fin Startup gt Internet Explorer YI MSN Explorer A Outlook Express Remote Assistance Windows Media Player Windows Messenger Starlogy4 Fl Recorder P Log Off oJ Turn OFF Computer F 3 All Programs fH u St a rlo m Y4 Unidata Man
54. ce can all produce doppler shifts that are not directly related to the water velocity The field of view of the STARFLOW can extend for at least 1m along the beam in clean water and reduces as the sediment load of the stream increases SURFACE pa SALTATION LOAD STARFLOW mA The beam can reflect from the surface underside and can detect different velocities to those expected This results in a distorted peak or a double or multiple peak in some situations the composite of all velocities seen along the path Such sites may not be suitable for the STARFLOW as the flow is not laminar Median 133 1mms Quartile 43 6 Average 146 mim s Maximum 1260mm s VELOCITY PROFILE A COMPOSITE DISPLAY FISH WIND RIPPLES 3000 4000 5000 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 94 of 133 MANUAL STARFLOW MODEL 6526 Measuring Turbulent Velocities In higher bedslope streams a wide and multiple peak may be displayed Standing Waves A Surface n i en STARFLOW because of the complex moving landscape presented to the STARFLOW The fact that many repeats of similar velocity histograms are seen indicates that the different velocity components seen are valid How to interpret such signals is the issue he Median 1757mms Quartile 67 Average 1650mm s Maximum 1898mm s COMPOSITE DISPLAY C ANDC ARE PULSES INC DUETOWANDER INFLOW LINES f J
55. ch STARFLOW Re create the Scheme using the correct STARFLOW model The remote Modem not answering Check phone number Check that remote Modem is functioning The remote Modem is off the hook Wait then try again The Modem is not connected to the phone socket Connect then try again Page 71 of 133 MANUAL STARFLOW MODEL 6526 8 0 Test Mode Test Mode is used to check the status of the logger and to monitor its logging progress Test Mode To enter Test Mode click on its icon shown to the right A window similar to the following will appear Gl Connected to site STARFLOW Scheme Imforrrestion Scheme Nae SARL Whe Logger Time TRB 4d Ph 1A bpr Logger Skate Lagpng TRUBS ZATA Pe Scan Mate 5i Terie 0G 244 30 PM 1 ilapi T s iarrar 17200 Fb Schams hrei Depth z mm Hatten 1255 Yo Sampler ly Flow Fleets 19 on vaket j mms Frequency i biz Skira fo Flo fi l Tengara 79 95 tery Uusi E i Aea f E cof Talal Fleer fi I ine Depia Wekoalptiv Temperature A Firer Rale RA Flo tia Total Fiend 1GOG 2000 24 40PM 2 0 PER 000 0 TRAE 200 4 50 PM 2 0 19 84 0 i TEGA LAAU P 2 i 145 0 i lhe 440M Z 0 19 89 0 The Scheme Name shows the name of the scheme that has been programmed into the logger If the scheme in the logger isn t the same as the currently selected scheme the following message will be displayed StarlopV4 T Scheme on the logger doesn t match the loaded scheme Load
56. ch a situation will move back and forth between the two extreme conditions logging an average that is not the correct velocity At some sites ripples will be a characteristic at certain levels Positioning and orienting the STARFLOW so that it does not point directly into a mirror ripple face is the best prevention 12 2 5 Measuring Flows in Very Small Channels The STARFLOW can be installed in channels as narrow as 75mm It can measure minimum velocities to 21mm second in depths as low as 25mm This flow rate is well below the measuring ability of most instruments flumes or weirs However the STARFLOW may struggle to operate correctly in these extreme conditions The following conditions may be seen e The number of samples will be reduced As velocities slow it takes the STARFLOW longer to measure each Doppler shift At shallow depths the volume of water from which to acquire signals is reduced These factors combine to mean the STARFLOW will generally not be able to acquire the full number of samples within the time allowed in a cycle However unless the water is extremely clean it will normally acquire enough signals for a sensible result e There will be an increase in the signal noise Because of the difficult environment there will be an increase in very high velocity signals This can bias most Doppler data beyond the ability of the signal analysis process to extract meaningful velocities Logged data will jump between the corr
57. ction is explained below Comms Window by l The Comms Window function allows you to watch the communications between your PC and your data logger You can watch the progress of Window Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 84 of 133 MANUAL STARFLOW MODEL 6526 logger programming or unloading or you can watch the commands issued during the test display The Comms Window is frequently useful for diagnosing modem problems and logger baud rate mismatches Communications Window Di 3600 V DIR VATS F GO0E828D3000000751 7000000000000000000000000000000000000C80200 008900000000E00100C8020000045D G01602078017C010178010000000000000000007C018001007C01 00000000 000000000002EB IK G000404A41A380A0100 G0028300A1D0000000001 01 00000000000000000000000078000000020000 0000000000000000000000800244454D4F00000000024A GO0E828D3000000851 7000000000000000000000000000000000000C80200 008900000000E00100C8020000046D G01602078017C010178010000000000000000007C018001007C0100000000 000000000002EB IK Data sent from the PC to the logger is shown in green while data sent from the logger to the PC is shown in blue The above screenshot shows communications that result from a typical test display If no communication was taking place you d just expect to see regular star asterisk prompts from the logger The top of the window lets you control the serial port and provides some status indicat
58. d into each buffer The following channel logging options are available however some instrument channels may not support all of them for example temperature cannot be totalised Description The instantaneous value of the channel at the time of the log The minimum of the values sampled at each scan over the log interval see Log Intervals below The maximum of the values sampled at each scan over the log interval see Log Intervals below The total of the values sampled at each scan over the log interval see Log Intervals below The average arithmetic mean of the values sampled at each scan over the log interval see Log Intervals below The average arithmetic mean of the values sampled at each scan over the sub interval see Sub Intervals below In the example screenshot shown on page Error Bookmark not defined both the Battery and Internal Temperature channels are logging the AVG average of the full log interval As you tick channels to log or adjust the Log Interval the software will automatically update the Memory Time to show you an estimate for how long the memory will last The estimate does not take into account logging forced by events Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 60 of 133 MANUAL STARFLOW MODEL 6526 6 3 2 Log Intervals The Log Interval is the time between logs Only the Main Buffer has a Log Interval setting Event Buffers do not have a L
59. d operation of this Data Logger and most users will not need to refer to this information The Model 6301A STARFLOW Support Software provides all the necessary communication and programming requirements in an easy to use package see section 5 13 1 Communications STARLOG Protocol The STARFLOW communicates using standard asynchronous RS 232 serial communication standards which allow it to communicate with an IBM PC or compatible computer The communication format is e RS 232C compatible e 300 to 76800 baud 9600 baud default e 8 data bits 1 stop start bit no parity You connect a computer to the STARFLOW via the 9 pin socket which is part of the Model 6603D cable This allows you to load and unload schemes and data If the interface is connected the STARFLOW sends a prompt to the interface host computer This prompt is an ASCII asterisk followed by a carriage return c r The STARFLOW then waits 1 second for a request from the host computer If no request is received the STARFLOW powers down switches off If a scan occurs during RS 232 communications then the measurement and reading will be processed 13 2 Memory Layout The STARFLOW uses its data CMOS memory for Hardware Registers Storage of housekeeping registers Logger Program Storage of user scheme definition Buffer Control Table Storage of pointers controlling Log Buffer Log Buffer End of logger program to end of memory for recording measured data
60. dings from the logger in a graphical or textual format e Connect to remote sites via a standard phone or cellular modem e Manage multiple sites from a single PC e Configure basic parameters of the logger scheme Note that at present Starlog V4 is unable to e Receive alarms from logger e Program unload to from PCMCIA memory cards Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 32 of 133 MANUAL STARFLOW MODEL 6526 5 1 Computer Requirements Pentium Processor 233MHz e 64MB RAM e 32MB hard drive space e Windows XP or 2000 SVGA monitor e Mouse e RS232 serial port or USB to serial converter 5 2 Installation 5 3 Upgrading From Version 3 Software Version 4 software cannot automatically convert your version 3 schemes to version 4 If you want to convert your old schemes you will have to do it yourself If you dont want to convert your old schemes version 4 software can still use them Version 3 schemes can be programmed and unloaded They can also be edited but that requires a copy of Version 3 software to be installed as version 4 software cannot edit the scheme but requires the version 3 scheme editor for that If you are installing your new version 4 software on a different computer from your existing version 3 software it is recommended you move your version 3 software to your new computer before installing your new version 4 software This is because the version 4 software can automati
61. duedeshninss vsniwesssesvedtivvessoducenpabsdeamasbueavndsetansebandecwenens 74 92 LOJ 2106 00 6 2119 9 eee ee eee ree ee ne ee eee een eee eee 76 89 Chome Channels esise ne eon ee en en see ee ee ee 76 EO PONI eea dt ic cestode scien pen sees EEA sinnnls ors resis te ecieuaie A ERT 76 8 4 1 Log Buffer Table VieW cia sceccsecuncats diaries iniaiaiai adia iaaa Eia anad aariaa edadia iaia 77 8 4 2 Log Buffer Graph VIGW xievcsccseacccctilincenndsavnce pated e a aE ai a aiana Aaa TT 9 0 UNLOADING DATA FROM LOGGERS annnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn e 78 100 VIEWING crocs ree sense reseneeea nce a AA ANERER ESANDA 80 10 1 Source Dala Filo eee ener nee ene ee en aaan aia i ee eee ee eee eee 82 IOT Starog YA COV FIOS Meee ee ne ne ec re eee Pe ee ne ee ee eee 82 A AE Ge Ohh FIOS oe ee en eee E ne ee ene anne cere eee 83 10 2 VIOWINO NS Dala FIG oeps eae E 83 10 2 2 Opening With INO1S AO sc gcse cre asiede dances cee detencnuceseS rania aa hens osaPnavedsledapenideerepaseindenedsede 85 WZ COSTING IE CON ac ctectrct tose xe coed ness totae E EE EE E 85 11 0 DIAGNOSTICS saree wea sectarian eee goes ene Cece nrneeeersnn wep eeesmmeseeesaeusbeeses 86 11 1 comms VV ACO etree sapere E see eee eee E 86 11 2 Upgrade IY ANG ae see stg e eee sence noes b eerie E S 88 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 4 of 133 MANUAL STARFLOW MODEL 6526 11 3 SDA SSE a E E teaaeeaseaceameeee 89 11 3 1 V
62. e sequencing of the SDI 12 measurements is under the control of the Scheme Program which is defined during Scheme Editing see Using the Scheme Editor on page 66 15 3 3 Measurement Errors If during a data collection sequence SDIGET an error occurs the sequence is retried a total of ten times by default A non recoverable error causes the SDIGET instruction to report a null result and a subsequent SDICONV will not return any data the channel readings remain unchanged from their last good reading Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 124 of 133 MANUAL STARFLOW MODEL 6526 15 3 4 STARFLOW SDI 12 Command Implementation The following table shows which SDI 12 commands are and are not recognised Data Recorder start additional Measurement extended commands 15 4 SDI 12 Test The SDI 12 Test function allows you to check the operation of the data Py logger as an SDI 12 recorder and the operation of any SDI 12 sensors connected to it You are able to issue identify measurement and read commands When the window is first opened click Connect to connect to the data logger and start SDI 12 diagnostics N gt 5D1 12 Diagnostics Search n0A1D0027 t0A1D01SDI 12 enter Esc to EXIT Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 125 of 133 MANUAL STARFLOW MODEL 6526 Next click Search to send identification requests to the first ten sensors The windo
63. ect value around 3m sec These can be overcome by the use of a dynamic filter that can be enabled in the STARFLOW configuration to minimise the impact of signal noise The level below which the filter is active can be set during the preparation of the STARFLOW for a site Setting this level near the maximum STARFLOW velocity will result in the filter always operating This should not be done at sites where legitimate high velocities are experienced as the filter may affect the results Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 97 of 133 MANUAL STARFLOW MODEL 6526 Effects of Filter on Low Velocity Signal in Shallow Water Developments are continuing to improve the integrity of low velocity measurements Software enhancements can be loaded into existing units Hardware changes will be incorporated into future units i y Median Mammis Quartile 273 Average 28234mm s Maximum 4066mms Vater velocity oe mm s 100 200 vagi 400 500 600 Median Quartile Average Maxdmum 264 mms 19 260rm0m s 25 Iminrvs Meter velocity Filter aliminates Agna Nasa 0 mins 100 00 00 400 500 600 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 98 of 133 MANUAL STARFLOW MODEL 6526 12 2 6 Velocities Too Slow to Measure When velocities fall below the minimum level the Doppler can measure 21mm sec signals are not processed However under certain conditions signal noise is
64. eeeceeeseeeseeesuecsuecseeeeeeeseeteeeeeenaes 131 Band size SCC CO Irs ctec core cara dee nccavicvenic en semaciannanuaades an arad Aana ea apes neanenc AEAN Eidi naaa RIETEN 132 MSANGI seeren E EE E E R 132 Page 6 of 133 MANUAL STARFLOW MODEL 6526 1 0 Introduction The STARFLOW Ultrasonic Doppler Instrument is a unique combination of water velocity depth and temperature instruments integrated with a solid state logger It is the first of a new generation of intelligent flow measurement systems 1 1 Overview By using digital signal processing techniques STARFLOW is able to perform in a wide range of environments It is used to record flows in pipes channels and small streams and operates in a wide range of water qualities from fresh streams to primary sewage channels STARFLOW is mounted on or near to the bottom of the stream pipe culvert and measures the velocity and depth of the water flowing above it STARFLOW combines water velocity water depth and water temperature measurement with a powerful data logger This enables a complete stream study to be undertaken with a single instrument STARFLOW systems have been tested in small streams and pipes and the calibration has been verified in a tow tank However at the time of writing there is little field experience with the use of acoustics in natural streams Indications are that different channels have different characteristics and that acoustics can see velocity distri
65. elocity Trace n annennnneennennnsnnesrnserrernrnerresrrrnsrrosrressrrrsrresrressrrrsrresrrenrresrnersnrrsnresnnrrsrnrnsrrent 89 12 0 VELOCITY FISTOG RAMS vicssincssiccsvscersesnvessvessnesss cans sscseresnvnssawessteesvecenseaneenenens 90 12 1 Inherent Factors In Doppler HistOQGraMs ccccccecceeeceeeeeeseeeeeceeceeeeeeseeeeeeseeeeeeseenes 92 12 1 1 Varying Angle as Particles Pass Through the Main Beam cccscccecseeeeeeeeeseeeesaeeeeseeees 92 12 1 2 Measuring Errors Due To Signal Noise ccccccseccccssseeeceeseeecceseeecseseeeseageeessegseeseaseesees 93 12 2 Channel Characteristics Affecting The Signal ccccecccseecceeeeceeeceeeeseeeseeesaeeesaees 93 12 2 1 The Nature and Location of the Reflectors in the Wattel cccccscseseeeeseeeeeeeeeeeeeseeeeeeens 94 12 2 2 Velocity Variations Due to Cross Section Changes cccccccseeeeeeeeeeeeeeeeeeeeaeeeeeeeeeeesaeeeeeeas 94 12 2 3 Measuring Unexpected Velocities cccccccccsscceceececssececsseceesseessaseeceaeeesseeessueeensueesuesenagees 96 12 2 4 Effects of Surface RIPples oe cccccccccesceeceeeecseeeeeeeeessaeeeesaeeeseaeeeseueesseeessaseessaeeeseeeesaaeees 98 12 2 5 Measuring Flows in Very Small Channels 0ccccccecceeceseeeeeeeeeeeeeeeeeeseeeseeeeeseeeseeeeeeseeeeeeas 99 12 2 6 Velocities Too Slow to Measure ccccccceecceeceeeeeeeseeeeeeeseeeeeeaeeeeeseeeeeessaeeeessaeee
66. en you add your first external application the Launch button will be replaced with a button labelled with the name of your nominated group As you add applications with different group names buttons for each group will be added to the bottom of the bar See also Error Reference source not found on page Error Bookmark not defined e Communications Status Area This will read Connected when you are connected to a logger and Disconnected or blank when you are not connected to a logger e Scheme Name Area This shows the name of the currently selected scheme e Communications Settings When connected to a logger this shows the used communication settings For example COM1 9600 N 8 1 which indicates that COM1 is the port used the baud rate is 9600 N means no parity 8 is the number of data bits and 1 is the number of stop bits 5 9 Finding the Version of the Software To find out what version of Starlog version 4 you have select About StarlogVv4 from the Window menu A window similar to the following will appear Version 04 00 0039 June 2005 ida By Steve de Lima ee os eeeee0 http unidata com au This program is registered to Unidata Training Program Serial Number 00001 Single User Edition this license may only be used on one PC at a time Starlog 4 Unidata logger management application Close The version number is shown at the top right 04 00 0039 When requesting technical support in relation
67. ent To configure an instrument double click on its line in the right half of the window or right click on it and select Edit from the menu Different instruments have different configuration windows and options Configuring the Starflow Starflows are configured just as if they were a regular instrument When you create a scheme an instrument for the Starflow is always added as the first instrument Double click on it For Starflows the following window will appear Ultrasonic flow recorder SDI 12 SDI 12 Sensor C Microwire C HSIO C SDI 12 Recorder C Counter amp OUTO C OUTO amp OUTI The various tabs show the options available If you want internal logger channels to be available for logging e g temperature battery quartile samples you will need to make sure their entries on the Internal Channels tab are ticked Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 54 of 133 MANUAL STARFLOW MODEL 6526 Starflow Ultrasonic flow recorder Re Starflow Velocity mms Starflo 4 Starflow Temperature degC arflo MA Startlow Battery Y p s Starflow Frequency Hz RS Starflow Quartile am A Starflow Samples am a Starflow Signal With a Starflow it is always recommended that Frequency Quartile Samples and Sinal are ticked in the internal channels TAB 6 2 2 4 Configuring the Logger as an SDI 12 Sensor When the Starflow is an SDI 12 sensor other SDI 12 recorders
68. ersion 4 data files generated by version 4 software from version 4 schemes 2 StarlogV3 CSV Version 4 data files generated by version 4 software from version 3 schemes 3 StarlogV3 Ann Version 3 data files generated by version 3 software 4 Archive CSV Arbitrary CSV files NOTE Version 4 cannot directly view Version 3 unload files Before you can view Version 3 data you must create Ann files for each Unn file using an ASCII report created in the Version 3 Report Editor Selecting the type of data will change the tree of available files in the bottom of the window The first line of the window will show the folder that Starlog V4 is looking in for data files In the sample screenshot above Starlog V4 is looking under C Program Files StarlogV4 DATA 10 1 1 Starlog V4 CSV Files These files are grouped by scheme each scheme will have one or more buffers and each buffer will have its own set of logged data files The following screenshot shows that there is a scheme called Starflow which has available data from its Main Buffer and the only data file available is a file called Demo UL CSV STARFLOW Main Buffer STARFLOW_2009Jun16_01 CS Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 80 of 133 MANUAL STARFLOW MODEL 6526 10 1 2 Archive CSV Files These are whatever CSV files Starlog V4 can find in the specified folder CSV files to be viewed in the Data
69. ery sensitive to variations in velocities you are able to see the natural velocity changes in the channel Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 17 of 133 MANUAL STARFLOW MODEL 6526 Although the discharge in a channel may be reasonably constant for a period of time the velocity distribution is always changing Different velocity streams wander from side to side and bed to surface as they progress down the channel Turbulent swirls and eddies are carried downstream for long distances while they slowly decay Hydrographers will be used to having this action partly removed by the mechanical inertia of a current meter and the period over which a typical measurement is timed However all will have noticed that the rate of revolutions of the current meter varies during the timing period Continual velocity logging at one location with a STARFLOW will show these cyclic velocity pulsations The characteristics will be different for different sites and will vary with discharge Cycles will typically include short period fluctuations a few seconds overlaid on longer cyclic fluctuations up to many minutes Longer term pulsations may also be seen particularly in larger streams when in flood Doppler velocity observations of 2 5 second periods _ e OO Oo Typical period timed by Current meter 00 33 0 l 2 3 5 Time in minutes When comparing STARFLOW velocity and mechanical current meter readi
70. esaeeeesaeeeeeas 101 12 2 7 Measuring Velocities in Very Shallow Water cccccccccsseceeeeeeeeeeeeeeeeeeeeeeeeseeeeeesseeeeeaaeeees 102 12 2 8 Interference to the Transducers ccccccssscecceeseeeceeeseeeceeeeecseuseecsuueeessageeecsageeeessaeeesssageees 102 12 2 9 Silt Algae and Other Soft Saturated Materials 0 0 0 0 cccccccseeeeeeeeeeeeeeaeeeeeeseseeesaaeeeesaaeeees 102 12 2 10 Burying the Transducer in Sand cccccssccccceseeccesseeeceesececeeseecseuseeessaeeecsagseessaueeeessneees 102 12 2 11 Debris on the SINS OMS ictus deste dete da tescais tinge nas cepediee di odiatdet dessaden eoaghabed etewcoeus saudades eoki a aiea 103 12 2 12 Disruption of the Flow Pattern by DeDIiS ccccecccecseeeeeeeeeeeeeeaeeeeesseeseesseaeeeesaaeeeesaaeess 103 12 2 13 Blocking of the Signal Paths by ObDJjeCtS cccccccccesseeceeeeeeeeeeeeeeeeeseeeesseeeeeesaaeeeesaaeees 104 FLOW MEASUREMENT EXTENSIONG ccccccceeeeeeeeeeneeeeseeeeseeeeecnseeeeeseneeoaees 105 12 3 Overview Of Creating A Flow Scheme cccccecccsececececeeeeeeeeaeeeseeesseeeseeeeneeseeeeaes 106 12 3 1 Open Channel and Natural Stream c ccccccccccccsececeeeeeceeceeseecesseecesseeeesseeesseeeeseeeeseeeessnes 111 12 32 Other APPlICANOIAS ase ccekectenticrastaxccnsnsocyencsnsecaxcadect Ea Er EDE E EEr 116 12 3 0 Selecting Channels to LOG iegatats ccsatavidesesaaiannnedwupsnauheviceawarsiassakancdeusiensanesiavseancela
71. eseeseeeeeeceeeceeeeeeeseeeeeeeseeeegecsueeaeetseeeeeetseeteeenes 13 29 Ole O19 911 62 219 9 gt ee ere nn ne ene eee 16 2 6 Factors Affecting Data Accuracy simmiectnccs sxctesanscnaccaeneeapesicaesactan sistance sdwensedsinecenbendesenenexeteds 17 2 6 1 Alignment with FIOW ccccccecccseeeeeeeeeeneeeeeaeeeeeeeeeeeeeeeeseeeeeseueeseaeeeseaeeseaeeeseusessaueesaeeeesseeeeesaes 17 2 6 2 Instantaneous Versus Averaged Velocity ccccccsececeeeeeeeeeeeeeeeeeeeeeeeeeeeeeesaeeeeesaeeeeeeseeeeeeas 17 2 6 3 Conversion of Logged to Mean VelOCItY cccccceeccceceeeeeeeeeeeeseeeeeeeaaeeeesaeeeeeeseaeeesaaeeeessaees 19 2 Depth Measurement rivesee certs arertot ceva eroececrca te nvtorante borate vigor rinse ete apiece ne ce EEKE aE KSEE NEN 19 29 FloW Rate CAICUIAN ONS ssessearenssseaisesis oinnia E G Saa 20 2 9 A Quick Guide to STARFLOW Field Practice ccc cccccsececssseeceeeeceeeeceeeeseseeeseesenees 20 2 9 1 Site Visited At Regular Intervals cccccccccseeceeeeeeeeeceeeeeesaeeeeeeeeeeeeeseeeeesseeeeesseeeeessaeeeesaeneees 20 30 SPECIFICA ONG cectec cee nese ccna ce vanetenevecstecencemsecneceneeereceucenstevetsueteuetesceueevesusenstue 22 31 Factory Settings sisseseade oi a a aana a ENEA aene 24 3 2 Battery Duration Table ccc ccccceecceeeceeeeeeeeeeeeeeeaeeeeeeseeeseeeseeeseeeseeeseeeseeeaeeeseeseeeges 24 3 3 Memory Duration Table ccccccccccccseeceees cece eeseeeeeeseeeeeeeseeeceeeseee
72. extension all models H BS04FS Wind Speed and Direction WDO Wind Speed and Direction EE LCD Display External LCD display for all loggers T 6506 Raingauge Tipping bucket raingauge 5254 Relay module 4 channel relay control module GR B526 EXT Starflow Flow extension all models BB 6526LC0 LCD Display External LOD display for all loggers Temperature and RH Combined humidity and temperature probe GSM Voice Synthesizer Report logger channels as speech via Wavec Genere Frequency Universal Frequency instrument Lookup Generate a lookup table to solve a mathematic pH Generic pH sensor Time channels Day of week minute of day and time of day ch Embedded Scheme Stores the scheme information on the logger SDI Transducer Generic SDI 12 V1 2 transducer F SDI_DEBUG SDI Debugger SDI 12 Debug Channels SENTEK Sentek SO 12 Soil moisture and salinity system wma SMS Alarm dialout group manager Time till log Seconds until log buffer log scan Trime lT TDR Soil Moisture Sensor J winpow Window Controller Switch outputs on and off during specified time New Add Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 53 of 133 MANUAL STARFLOW MODEL 6526 6 2 2 2 Removing an Instrument 6 2 2 3 To remove an instrument from your scheme select it from the list in the right half of the instrument window and click the Del button at the bottom of the window or right click on it and select Delete from the menu Configuring an Instrum
73. f 133 MANUAL STARFLOW MODEL 6526 In this Test mode you can also increase the font to a larger size by pressing the sign on your keypad this is especially useful for field situations Gi Connected to site STARFLOW Scheme Information Log Information Scheme Name STARFLOW Log Rate 10s Logger Time 16 06 2008 2 52 20 Ph Log Size 18 bytes Logger State Logging First Log 16 06 2008 2 43 40 PM Scan Rate 5s Last Log 16 06 2008 2 52 20 PM Memory Time 1 days 17 43 remaining 112 1 Kb Scheme Channels Depth 2 mm Frequency o0 Hz Area 1 cm Velocity 0 mm s Quartile 0 Flow Rate 0 000 lis Main Buffer 16 06 2008 2 49 00 PM 2 16 06 2008 2 49 10 PM 2 16 06 2008 2 49 20 PM 2 16 06 2008 2 49 30 PM 2 16 06 2008 2 49 40 PM 2 16 06 2008 2 49 50 PM 2 8 2 Log Information Log Information Log Rate 60 s Log Size 4 bytes First Log 8 02 2007 3 26 00 PM Last Log 8 02 2007 3 26 00 PM Memory Time 20 days 11 07 remaining 115 1 Kb The Log Information section has the following items e Log Rate This is the time between consecutive logs Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 74 of 133 MANUAL STARFLOW MODEL 6526 e Log Size This is the size of each log entry in the Main Buffer in bytes e First Log This is the date time when the first log was recorded e Last Log This is the date time when the most recent log was recorded e Memory Time This is the estimated ti
74. flow User Manual Issue 3 1 doc Page 27 of 133 MANUAL STARFLOW MODEL 6526 4 5 Signal Cable and Connections STARFLOW comes with a 15 metre multi core vented signal cable which is terminated into a 7 pin SQL weatherproof connector The cable connectors are SQL compatible and may be extended with SQL extensions or other suitable quality signal cable up to 35 metres 4 6 STARFLOW Cable Connection Table red amp orange 12V Battery ve 9 12 yellow RxD OUT RS 232 serial data from STARFLOW 2 TXD IN TXD IN RS 232 serial data to STARFLOW 3 RXD OUT RTS IN Request to Send 8 CD OUT SDI 12 Data In Out HSIO Clock and Counter 0 OUT Pump Sampler CMOS control HSIO Data 22 RING OUT 20 DTR IN 7 centre Model 6802C Micropower Modem connections GND Battery ve signal ground When in counter mode only voltage pulses of 7 5V will be recognised Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 28 of 133 MANUAL STARFLOW MODEL 6526 4 7 4 8 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Drying Tube and Desiccant The STARFLOW cable contains a tube to vent the water depth pressure sensor to atmospheric pressure It is very important to ensure that NO MOISTURE enters the vent tube as this will cause erratic depth measurements The STARFLOW connector vent
75. for this application looks like this 6526 Starflow A B amp C Table Type Open Channel m Flow Range min o Medium Z OK Starflow Range 2m Display Units a a Cancel Channel Setup 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 650 Offset mm Edit Point Channel Point 1 5940 Y 0 12 3 2 Other Applications If the channel you are measuring cannot be defined in the Cross Sectional Area File such as a partly filled ovoid pipe you must supply your own Area Rating Table This is called a User Area Rating Table This is only necessary if you cannot create a Cross Sectional Area File For most applications the Area Rating Table is generated automatically from a Cross Sectional Area File you create A User Area Rating Table is a text file with 1 000 entries spread evenly over the table range as specified in the scheme representing the cross sectional area for each depth For example if the table range is 2m 2 000mm then with 1 000 entries spread evenly each entry is 2mm apart This table shows the depth for which each entry in the file represents an area Entry mm mm mm mm mm 2mm mm l mm 4mm 0mm 20mm Entry 1000 999mm 198mm 4995mm 9990mm Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 114 of 133 MANUAL STARFLOW MODEL 6526 There is no special format for the file only that each entry must be separated by whitespace spaces tabs or new lines and that t
76. g with the water as acoustic targets or scatterers from an instrument fixed to the bed or bank There are two distinct types of doppler instruments that can be used to measure water velocity e Coherent or profiling dopplers transmit encoded pulses with the carrier frequency at target locations and only measure signals reflected from these targets This allows the velocity in a stream to be profiled These instruments are complex and expensive e Incoherent or continuous dopplers like the STARFLOW emit a continuous signal and measure any signals returning from scatterers anywhere and everywhere along the beam These are resolved to a mean velocity that can be related to a channel velocity at suitable sites Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 12 of 133 MANUAL STARFLOW MODEL 6526 During a measurement cycle ultrasonic sound is transmitted continuously at a fixed frequency called a carrier A receiver listens for reflected signals from any targets A measuring circuit detects any frequency changes A processing system accumulates and analyses these frequency changes and calculates a representative Doppler shift from the range received Each Doppler shift is directly related to the water velocity component along the beam This is a physical relationship and if you Know the speed of sound in water you can calculate the velocity of the reflector and thereby the velocity of the surrounding water STARFL
77. he measured velocity These result in a widening of the histogram base because of the broader spread of Doppler shifts measured In a channel with laminar flows the shape of the peak remains symmetrical If other factors disturb the velocity profiles within the field of view of the STARFLOW the histogram may become distorted This may introduce a bias to the computed velocity Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 91 of 133 MANUAL STARFLOW MODEL 6526 If the shape of the histogram is the same from cycle to cycle then it represents the STARFLOW view of the channel and not some transient aberration Hydrographers have to decide if this represents a valid velocity measurement or if the site is unsuitable 12 2 1 The Nature and Location of the Reflectors in the Water The STARFLOW measures echoed Doppler shifts from anything that is acoustically reflective and in the signal beam It can not discriminate where the echo is coming from and the bigger closer reflectors will generate a stronger signal than smaller or more distant reflectors Reflectors can include e All types of particles in Suspension e Alluvial saltation load such as sand pebbles and rocks moving at or near the bed e Leaves sticks and organic material e Surface waves from wind or velocity e Bubbles and entrapped air pockets During the time it takes to traverse the signal beam a particularly good reflector can be measured
78. he message then add the corresponding dialout group as the Output for the HT begin event Note that if all you wanted to do was send the message when the system became too hot and didn t need to worry about when it cooled down youd be able to discard the not HT event leaving the following five events HT upper HT lower HT HT change and HT begin If you DID want to send a cooled down message then you d leave in the not HT and HT end events create a second message on the SMS instrument then set the HT end output to activate that second dialout group To summarize Description High temp on Channel A gt B High temp off Channel A lt B p Not high temp Not Event A HT Coolin g off High temp state Delta Event A change Enter high temp Event A AND High temp Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 68 of 133 High temp state On Event HT Coolin Until Event B upp g on er MANUAL STARFLOW MODEL 6526 6 5 Event B Leave high Event A AND temp state Event B Saving the Scheme To save your scheme click the Save icon shown to the right i Save If you ve saved your scheme before it will immediately save If you ve never saved the scheme before the dialog shown below will appear You can get the same dialog at any time by selecting Save Scheme As from the File menu Save Scheme As 9 nitiicorrrr L Rolling oa
79. he right The Log Buffer window is shown below Log Buffer Buffer ay Main Buffer v Log Interval 15 min Sub Interval lt None gt Log Size 8 bytes Memory Time 154 days 16 00 hh mm Buffer Size Kb 116 0 Set Size C Linear f Circular MV Auto Order _setgider Instrument Channel E Starflow Depth eS Starflow Velocity 4 Starflow Temperature a Starflow Battery Sy Starflow Frequency at Starflow Quartile Starflow Samples 5 Starflow Signal Starflow Area SE Startlow Flow Rate Starflow Flow QE Starflow Total Flow OOOOOOOO0Os8o000 OOOOOOO000o000 Z Oooooooooooo ONOOOOOO00o000 OOOOOOOOO88S8 _ oO 4 r lt rp oO OOOOOOO000000 Ga Log Buffer The Log Buffer window is where you set up the logger memory for recording data by selecting what to log and how often to log it Data loggers have one Main Buffer and multiple Event Buffers Event Buffers tend to be small and are used to store data logged on an ad hoc basis Whatever memory is not allocated to Event Buffers is allocated to the Main Buffer Since Event Buffers default to zero bytes the default Main Buffer size is all the available memory Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 59 of 133 MANUAL STARFLOW MODEL 6526 6 3 1 Instrument Channels Each Buffer has its own set of the Instrument Channel checkboxes You control which of the available channels gets logge
80. he temperature is lowered to some other threshold whereupon it will turn the cooling system off The two thresholds provide the hysteresis to prevent the fan from being rapidly turned on and off For this example the upper threshold is 55 C and the lower threshold 50 C Start by defining the threshold events Name Description Event B Bi temp Channel Internal 55 ne A gt B Temp High temp Channel Internal 50 om off A lt B Temp Next are the two events that reflect whether or not the logger is in the high temperature state Description High temp On Event A state Until Event B Not Event A The HT event is true from the time the logger exceeds the HT upper threshold 55 C until the time it falls below the HT lower threshold 50 C In other words it s the temperature is too hot and needs cooling state The not HI event is true whenever the HT is not true i e when the system is not too hot Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 66 of 133 MANUAL STARFLOW MODEL 6526 If all you wanted to do was control a cooling system via relays the above events are all you need You would attach a latching relay to the logger such as the 6525 relay control module then add a switch relay on output to the HT event and a switch relay off output to the not HT event There s no harm in the logger continuously sending relay on off co
81. here are exactly 1 000 entries The numbers must be positive zero or greater and may include a fractional part The area values are in mm 2 12 3 3 Selecting Channels to Log You may now select whichever channels you wish to record You may not select AVE values to record for Flow Rate Flow and Total Flow channels as these are already processed and cannot be averaged 12 3 4 Event Processing on Extended Channels These channels may be used to trigger events For example you may wish to trip switch on a water sampler after every megalitre has flowed through the channel Using the 6526 cm Flow Extension which measures in litres the Event definition in this example would look like this Description Event Parameter A Parameter B Parameter C Output Log Buffer ga Logwhile Enables logging to BUFFO when true Always Name te TotalFlow 1000000 Tour Description Trigger Sampler Enable Event Iv Event Channel gt B z Channel 4 I Re Starflow Total Flow ad B 1000000 Output YE OUTO On Switch on open collector output OUTO Y Force Log to Buffer lt None gt Logwhile E vent nds Logwhile k Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 115 of 133 MANUAL STARFLOW MODEL 6526 13 0 Computer Communication The STARFLOW contains a MicroLogger which is similar in operation to other UNIDATA Data Loggers This section describes the detaile
82. ing Table Terms Area A Area Rating Table Depth D Velocity V Scan Rate SR Log Interval Flow Rate FR Flow F Total Flow TF cross section Calculated by STARFLOW from the Area Rating Table using the measured depth Units cm2 or dm2 or m2 Look up table of depth versus cross sectional area of the channel being measured Water depth above the STARFLOW unit Units mm Average median velocity of water in the channel measured by STARFLOW Units mm s Frequency of STARFLOW measurement cycle Default 60 secs Units second Frequency of STARFLOW recordings Default 15 minute Units scans Instantaneous Flow Rate calculated by STARFLOW as the product of Velocity and Area Units I s or kl s or MI s FRVA Flow volume each scan interval calculated by STARFLOW as the product of the Flow Rate and the measurement interval Scan Rate Units or kl or MI FFRSR Totalised Flow Volume Units or kl or MI TFF Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 103 of 133 MANUAL STARFLOW MODEL 6526 12 3 Overview Of Creating A Flow Scheme Creating a STARFLOW Scheme for flow measurement is a five step process 1 Determine the dimensions of the channel 2 For open channels create a Cross Sectional Area in the Flow extension instrument which has already been added in the scheme editor and enter the parameters of your channel Points can
83. issues a START MEASUREMENT SEND DATA sequence STARFLOW immediately responds with the latest parameter readings In this mode the SDI 12 command START MEASUREMENT does not initiate a new measurement cycle and the data is always valid and available for immediate retrieval by the Data Recorder 15 2 1 Theory of Operation When the Data Recorder sends a break signal the STARFLOW wakens and captures the SDI 12 command following the break signal If the command is valid the STARFLOW reads its address setting to see whether or not its address is in fact being called or if the address of some other device at another location is being sought If the Data Recorder is looking for a different address the STARFLOW will go back to sleep until another break signal is received If the address being sent belongs to the STARFLOW it will scan the instructions coming from the Data Recorder to see what action is required Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 122 of 133 MANUAL STARFLOW MODEL 6526 The two most important commands at this time are Measure If the STARFLOW receives the START MEASUREMENT command it will report back to the Data Recorder the number of parameters enabled for measurement and that these parameters are available to be sent to the Data Recorder immediately Data If the STARFLOW receives the SEND DATA command it will send the last parameter readings measured to the Data Recorder for sto
84. ize cannot it is always allocated whatever memory is left after memory has been allocated to the Event Buffers Click the Set Size button to configure the buffers Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 61 of 133 MANUAL STARFLOW MODEL 6526 Configure Log Buffers Buffer Name Buffer Size Main Buffer h10 kb EventBuffer fo kb Event Buffr2 fo kb Event Buffr3 fo kb Event Buffers fo kb Event Buffer5 You can adjust the sizes of the Event Buffers in 1KB increments by clicking on the small up down buttons to the right of the Event Buffer Size field Increasing the size of an Event Buffer will decrease the size of the Main Buffer by a corresponding amount and vice versa Note that the total capacity of all the buffers will always be less than the quoted memory capacity of your data logger The data logger reserves some memory for the scheme program working variables communications buffers and configuration data 6 3 5 Other Buffer Settings Settings common to all buffers are e Linear Circular When Linear buffers fill up they stop accepting new logged data When Circular buffers full up they wrap around to the beginning and start overwriting the oldest data e Instrument Channel Ordering This defaults to Auto Order however you can untick the checkbox and click on the Set Order button to manually set the logging order of the channels Set log order Order Channel Farameter Dep
85. l Issue 3 1 doc Page 81 of 133 MANUAL STARFLOW MODEL 6526 The example below has the Battery channel turned off leaving the Internal Temp EX loaded C Program Files StarlogV4 Data S ARFLOW Wain Buffer S TARFLOW_2008Jun16_01 CSV Text View Graph View Source Data File C Program Files StarlogV4 DataiS TARFLOW Main BufferiS TARFLOW_2008Jun16_01 CSV Depth G Velocity AVG Temperature 4G Flow Rate RAW Flow RAW Total Flow RAW Depth Avec Velocity AvG Temperature AvG Flow RatefRAVY Flow RAW Total Flowf RAV 14 47 16 06 14 638 is shown at the bottom left next to the scrollbar When you hover your mouse over the graph the time of log of the data you re hovering 10 2 1 2 Text View The Text View shows your logged data in a tabular form The column widths are adjustable by dragging the divider between them Use the scroll bar to select the data to view Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 82 of 133 MANUAL STARFLOW MODEL 6526 EE loaded C Program Files StarlogV4 WData S T ARFLOW Wain Buffer S TARFLOW_2008Jun16_01 CSV Text View Graph View Source Data File Data Start 16 06 2008 v Time DepthAvG Velocity AVG TemperaturefA Flow Rate RAW Flow RAW Total Flow RAW TTET E ee ees E E A fees 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06 2008 2 4 16 06
86. le For a 2m depth range STARFLOW in a 900mm maximum depth channel choose 1 to improve accuracy Offset m This defines the offset reduced level of the STARFLOW instrument from the reference to the depth sensor e Determining Distance Reduced Level Information Select an arbitrary reference point above the highest water level expected This is 0 0 pair Measure across the channel and down to the channel bed at sufficient number of points to define the bed profile Adjacent points are connected by straight lines There may be as many Distance RL pairs as you need Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 109 of 133 MANUAL STARFLOW MODEL 6526 The reference point 0 0 may be any datum standard which must be above the highest water level Open Channel and Natural Stream Examples Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 110 of 133 MANUAL STARFLOW MODEL 6526 e Open Channel Example 1 This Open Channel is a V Notch shape which is 2m wide and 1 5m deep A 2 metre depth range STARFLOW unit is mounted in the lowest point of the notch Reference Distance 0 0 Reduced Level STARFLOW instrument 1 1 5 The Cross Sectional Area File is shown below 00 1000 1500 2000 0 The Area Rating Table window for this application looks like this 6526 Starflow A B amp C Table Type User Rating Flow Range Medium b OK Starflow Farge Z Dis
87. logV3 schemes Select the path to your Starlog 3 schemes C STARLOGSSCHEMES Browse The above shows a typical configuration You may need to change the values to suit the configuration of your Starlog Starflow version 3 installation If you don t have Starlog version 3 installed just click Next to continue If you want to change these later you can edit them by going to File Options Configure StarlogV4 gt Starlog V3 See Starlog V3 Options on page 40 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 37 of 133 MANUAL STARFLOW MODEL 6526 5 7 4 Registration The next dialog requires you to enter your User Name and Code Key to register the software If you don t enter a valid User Name and Code Key then you have 30 days as a trial user before you are unable to use Starlog version 4 You will have the opportunity to enter a valid User Name and Code Key every time you restart Starlog version 4 Configure StarlogV4 nigata If you have purchased a user name and key from Unidata then you can enter these below to register the program If you don t have a key click on Next to evaluate Starlog4 User Name Joe Smith Code key ABCID EFGHI JKLMN 02PQR 35TU4 Assuming what you ve entered is correct you ll see the following Configure StarlogV4 If you have p StarlogV4 these below tg evaluate Starl i Key OK Program fully registered Single user license this license ma
88. long time to unload Over phone lines this may be costly You can shorten the time by performing an Incremental Unload that is only retrieve data logged since the last unload Likewise if you were using this method of unloading then you d want the Scheme Log Program to include a circular log buffer With this type of buffer the STARFLOW continues to store the most recent data even if the log buffer has been filled It simply writes the new data over the earliest data stored Using this system you will have already unloaded earlier data 4 11 2 Site Visited at Regular Intervals You intend to visit the site regularly unload the full buffer then Program STARFLOW again as you leave Well STARFLOW software will calculate how long you can wait between visits so that data from the site will not be lost Use a Linear Buffer in the scheme Perform a Full Unload when you retrieve data You must plan to visit the site before the data buffer is full otherwise you ll lose the most recent data After each unload you must re program STARFLOW again before you leave This resets the scheme to begin logging and the start of memory If instead you choose to use a circular data buffer the most recent data collected overwrites previous data stored when the log buffer is full Whereas with a linear buffer once it is full most recent data is not stored Time Clock Considerations The STARFLOW s time clock is automatically set to your computer
89. me remaining until the Main Buffer fills up and either stops Linear or starts overwriting the oldest data Circular The Main Buffer free space is shown in square brackets after the time 8 3 scheme Channels scheme Channels Depth 2 mm Baathery 12 55 ki Samples p Flow Rate p aod HE Velocity F mm s Frequency g Hz Signal E Flow fr Temperature 20 61 degC Quartile fr Area 1 cm Total Flaw p The Scheme Channels display the current readings of the instruments connected to the logger 8 4 Log Buffers Main Butter Total FlowlFiA w 16 06 2008 2 43 50 PM 2 0 19 89 0 000 0 0 16 06 2008 2 44 00 PM 2 0 19 89 0 000 0 i 16 06 2008 2 44 10 PM 2 0 19 89 0 000 i 0 n n n qe ne HAA aa I Oka a 10 OF AA The Log Buffers are displayed across the bottom half of the window The Main Buffer plus any Event Buffers are each given their own tab Click on the tab to select the buffer to view Each buffer viewer operates in one of two modes e Table This displays the logged data in tabular form e Graph This display the logged data in a graphical form as a line plot of data Each logged item forms a series and each can be individually turned on and off 8 4 1 Log Buffer Table View This is the default Log Buffer view Each column is a different logged data item Each row is a log record Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 75 of 133 MANUAL STARFLOW MODEL 6526 Main Butter Total Flow RAW
90. mmands every scan those events are true What if you wanted to send an SMS alarm when the system got too hot In that case sending multiple messages while the system stayed hot wouldn t be a good idea To only send a message when the system flips from temperature OK to too hot requires a few more events Description High temp state change Enter high temp state Leave high temp state The HT change event detects when the system is flipping between temperature OK and too hot It detects a change in either direction but cannot by itself tell which direction the system is changing To determine the direction a second event is needed The HT begin event detects when the system is going from temperature OK to too hot If the high temperature state has changed the HT change event AND the system is in the high temperature state the HT event then the system has just changed from temperature OK to too hot The HT end event is similar to the HT begin event except it detects the change from too hot to temperature OK It isn t needed if all you want to do is perform an action on the switch from temperature OK to too hot Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 67 of 133 MANUAL STARFLOW MODEL 6526 To send an SMS when the system becomes hot add the SMS instrument to the scheme configure t
91. needaoanierounss 117 12 3 4 Event Processing on Extended Channels cccccssccccssseecceesseecceeseeeceassecseseesssueeeessageees 117 13 0 COMPUTER COMMUNICATION 0 0 ec ceeeceeeeeeeseneeceeeeeessenseseeeseneeoaees 118 13 1 Communications STARLOG Protocol ccccccccccececeeceeeeeceeeeeeeeeeeeeseeeseeeeseeeeeeees 118 13 2 Memory La yo l fao cscs t ct cpa ocean a a ves ai E 118 13 3 Hardware Register Information ccccccccsscceececeecceeeeceeeceeceseeeseeeeseeesegeeseeeneeeeaeeess 119 13 3 1 Model 6526 V4x 09 Memory ASSIQNMENtS cccccceececeeeeeseeeeeseeeesaaeeesaeeesaueeseaeeeseneensees 120 13 4 STARFLOW Instructions reece cssntcta cis vets am rene este ceantereoe eepe ee aeinercacicpanserneninaateenntoenctannequacnsnen senate 122 13 4 1 STARFLOW Operation Sequence cccccccccccseececeeeeeceeceeseeceseeeeesseeeeseeeessaeeesseeeeseneessaes 122 13 4 2 STARFLOW Program INStructions ccccccccsseeceeseeeeeesseeeeeeeeeeeeesaeeeeseeeeeeseeeeesaeeeesaaeeees 122 14 0 APPENDIX A INSTALLATION CHECKLIST 0c cccessseeeeeeeeeeeeeeeeees 123 14 1 FAVES CACO M oE S eenen a tid eee ci ange svn nestled A O 123 14 1 1 Installing The STARFLOW Instrument ccccccseseeccesseeeceeeeeceeaseesseaseeessegeeessagseessaeenenes 123 15 0 APPENDIX B STARFLOW SDI 12 INTERFACE ccc cceseesseeeeeeeees 124 Unidata Manual 6526 Starflow Use
92. ngs the display should be observed long enough to estimate the mean of the readings This should be adopted as the logged velocity to compare with any check measurements Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 18 of 133 MANUAL STARFLOW MODEL 6526 When measuring velocity data STARFLOW samples for several seconds during each 1 minute scan It is recommended that all velocity measurements are averaged over the log interval This attenuates short frequency variations 2 6 3 Conversion of Logged to Mean Velocity The logged velocity data may have to be adjusted during post processing to reflect a mean velocity for the channel The factors used will be site specific and have to be determined by the operator This is done by obtaining a mean channel velocity by conventional techniques and comparing it with the average logged velocity If necessary this process should be repeated at various discharges Where the relationship is complex or unstable the accuracy of this method is compromised In laminar flow conditions the channel mean velocity could be expected to be between 90 and 110 of the logged velocity In small channels say a 500mm diameter pipe the factor may be close to 100 as a representative area of flow will have been seen by STARFLOW and contributed to the logged velocity In larger channels only the area adjacent to STARFLOW will be seen and the relationship will depend on how this
93. noise NUMBER OF SAMPLES The actual number of doppler shifts samples collected and shown in the displayed histogram MAXIMUM The doppler shift of the peak of the histogram in mm s The screen will cycle refreshing the plot and summaries each time a new set of samples are acquired The x axis is scaled to 6000 mm s Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 88 of 133 MANUAL STARFLOW MODEL 6526 The following examples are shown as you would see them on your screen An ideal signal when presented as a histogram appears as a symmetrical peak The x axis represents the velocity in mm sec The y axis indicates the relative number of times a particular velocity has been received The approximate centre of this peak is the value of the velocity we are looking for as it will be the mean of all the echoes received 190mm s 19 2 198mm s 186mm s Median Quartile Average Maximum i As the velo city chan ges the peak willbe seen to move backand forth along thax anis l Omm s 100 200 300 400 500 600 i As the velocity changes the peak will be seen to move back and forth along the x axis e Note that Velocity Trace does not indicate Flow Direction only Velocity magnitude The width of the peak indicates that a range of velocities is being measured with each reading The narrowest of peaks would be obtained in the ideal conditions of perfectly laminar tranquil fl
94. nt A On Event A for B Scans On Event A Until Event B Event A TRUE for B Scans Channel A between B and C Channel A bit B set Channel A bit B not set Unidata Manual 6526 Starflow User Manual Issue 3 1 doc MANUAL STARFLOW MODEL 6526 Description changed by more than B since the event was last true the extra difference is forgotten for determining when the event will next be true If the remainder is important use the Every B on Channel A event Becomes TRUE when both event A and event B are TRUE Becomes TRUE when either or both of event A or event B are TRUE Becomes TRUE for one scan when event A changes state from FALSE to TRUE or from TRUE to FALSE Every scan the absolute difference between the current channel A reading and that of the previous scan is added to an accumulator When that accumulator exceeds B the event is true for that scan and B is subtracted from the accumulator Both rises and falls add to the accumulator so that a rise of 3 units and a fall of 2 would result in an accumulation of 5 units Evaluates to the opposite of event A If event A is TRUE this event is FALSE and vice versa This event becomes TRUE when event A becomes TRUE and is held TRUE for B scans This event becomes TRUE when event A becomes TRUE and stays TRUE until event B becomes TRUE This event becomes TRUE for one scan whenever event A has been TRUE for B consecutive scans This event is
95. og Interval because logging into them is always triggered by events At each log all the Instrument Channels ticked will be recorded into the Log Buffer In the screenshot above the average internal Battery and Temperature Channels will be logged every 15 minutes The maximum log interval is limited by the scan rate The maximum log interval is 65535 times the scan rate For example if you set the scan rate to 1 second the maximum logging interval is 65535 seconds or 18 hours 12 minutes 15 seconds If you want a log interval of 1 day you would need a scan rate of at least 2 seconds 6 3 3 Sub Intervals The Sub Interval setting only relates to the avg column of Instrument Channel checkboxes not the AVG column or any other column Rather than take samples at each scan like the AVG column the avg column only takes samples during the Sub Interval The Sub Interval is always the time immediately before a Log Event Buffers do not support the Log Interval or Sub Interval settings For example if the Log Interval is 60 seconds and the Sub Interval is 20 seconds for the first 40 seconds of the 60 second log cycle only the MIN MAX and AVG channels will take samples For the remaining 20 seconds before the log occurs the Sub Interval all channels including the avg channel will be taking samples 6 3 4 Buffer Sizes Event Buffers must have their size manually allocated The Main Buffer s
96. og V4 s test mode allows real time text and graph views of scheme data as well as general logger information Download Starlog V4 Preview Release with 30 day free trial Current ersion 04 00 0030 Starlog V4 Software 7 66 MB Installation Download the files listed above Run Setup exe NOTE Without a username and access key prompted for on installation Starlog V4 preview release will function for a 30 day trial period Contact distributor for futher information fea http www unidata com au products software 6292 starlog_v4 zip A 2 Click on Starlog V4 Software to download starlog v4 zip 3 Unzip that file into a temporary folder 4 Open the folder and run the Setup file Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 34 of 133 MANUAL STARFLOW MODEL 6526 5 6 Installing the Software Having started the installation procedure you should be seeing the following screen InstallShield Wizard Welcome to the InstallShield Wizard for Starlog 4 The InstallShield Wizard will install Starlog 4 on your computer To continue click Next Cancel Follow the prompts to install the software If you are asked to restart your computer you should do so 5 7 Using the Software for the First Time 5 7 1 Launching the Software To start Starlog version 4 you can double click on the icon on your desktop E Starlog4 Alternatively you could select the program f
97. ong periods provided they are not physically damaged blocked or buried The purpose of the STARFLOW system is to produce FLOW DATA This is the product of the cross section derived from measured depth and velocity data each of which are modified by user defined factors before use There are many opportunities for errors to accrue in the process and degrade the result These can be reduced or eliminated by using the instrument properly Some of the more significant potential error sources follow 2 6 1 Alignment with Flow For the calibration to be valid the transducer needs to be horizontally and vertically aligned with the flow While STARFLOWs are calibrated pointing into the flow they can be pointed downstream with little loss of calibration accuracy You may want tot do this when fouling of the sensor face is a problem Any angled flow in the horizontal plane will reduce the recorded velocity A 10 degree angle will reduce the velocity recorded by 1 5 More significant errors will result from angled flow in the vertical plane The sensors are manufactured to project acoustic signals at 30 above horizontal when the sensor is mounted horizontally A 10 vertical flow angle change will cause errors of approximately 8 5 20 and 11 5 40 2 6 2 Instantaneous Versus Averaged Velocity When you observe STARFLOW velocities they will be seen to vary by 10 or more from scan to scan at some sites Because STARFLOW is v
98. orrection is a best fit for water temperatures between 0 C to 30 C The following table shows how the speed of sound varies with temperature and between fresh and sea water Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 14 of 133 MANUAL STARFLOW MODEL 6526 Bubbles in the water are desirable as scatterers but too many can affect the speed of sound In air the speed of sound is about 350 m s Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 15 of 133 MANUAL STARFLOW MODEL 6526 2 5 Site Considerations The Doppler signal received and the accuracy of the computed velocity is related to the flow and cross section characteristics of the site A suitable site has the following features Flows are laminar and the velocity measured by the transducer can be related to the mean velocity of the channel Velocity is measured from a limited path in front of and above the acoustic sensors This area varies with the amount of suspended material in the water and the channel characteristics The user has to determine the relationship between the measured and mean velocity The channel cross section is stable The relationship between water level and the cross sectional area is used as part of the flow computation Velocities are greater than 20 mm second The transducer does not process velocities slower than this The maximum velocity is 5 metres second The tran
99. ors e Connect Disconnect Click to connect disconnect to from the serial port e Baud rate The baud rate to use If no star prompts are detected the software will automatically cycle through all the baud rates until a star prompt is detected e DTR Controls the Data Terminal Ready signal Modems require this signal to be on ticked to enable dialling out to other modems e RTS Controls the Request To Send signal Unidata data loggers require this signal to be on ticked to wake up for communication e DSR Indicates the current state of the Data Set Ready signal The DSR state usually reflects the DTR signal e CTS Indicates the current state of the Clear To Send signal The CTS state usually reflects the RTS signal e CD Indicates the current state of the Carrier Detect signal Modems turn this signal on when they are connected to another modem Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 85 of 133 MANUAL STARFLOW MODEL 6526 11 2 Upgrade Firmware The Upgrade Firmware function allows you to upgrade the internal Upgrade firmware of most Unidata data loggers Firmware Click the Query Logger button to have the software determine what type of logger is currently connected and what version of firmware it is currently running The following screenshot shows the results of querying a Yellow Memory Card Starlogger Upgrade Firmware Logger Type 6526C Starflow Query Logger Current firmware revi
100. ot use all four bytes An instruction takes about 0 5 millisecond to interpret and execute Typical instructions include TIMED GOTO Timer controlled logging sequences CONDITIONAL GOTO Event controlled logging sequences LOG DATA Flexible data storage command BLOCK MOVE Block Word and Byte move ACCUMULATE Block summation for averaging OUTPUT Control output sequences BLOCK CLEAR Storage initialization ADDITION 2 amp 4 byte operands 4 byte result SUBTRACTION 2 amp 4 byte operands 4 byte result MULTIPLICATION 2 amp 4 byte operands 4 byte result DIVISION 2 amp 4 byte operands 4 byte result or 2 byte result amp remainder SERIAL INPUT OUTPUT Bi directional Data Bus read write Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 120 of 133 MANUAL STARFLOW MODEL 6526 14 0 14 1 14 1 1 Appendix A Installation Checklist Installation Steps Installing The STARFLOW Instrument Do the following 1 Locate the STARFLOW in such a way to avoid accumulating debris being buried by alluvial material or getting washed away 2 Ensure that you have enough cable to reach the power supply and keep the vent tube dry 3 Set up a weatherproof enclosure for the battery drying tube and computer MODEM connectors Ensure that this enclosure is open to the atmosphere 4 Connect a 12V battery to the signal cable Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 121 of 133 MANUAL STARFLOW
101. ows in water with an even distribution of reflective particles These would still be 50 100 mm sec wide and would appear as above In fast turbulent water the peak can be 500 mm sec or more wide because of the range of velocities present in eddies and swirls The following histogram is typical Median Quartile Average Maximum 1331 mm s 43 6 1467mim s 1260mim s at mins 1000 2000 3000 4000 5000 6000 J Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 89 of 133 MANUAL STARFLOW MODEL 6526 12 1 12 1 1 Inherent Factors In Doppler Histograms The width and shape of the peak displayed is caused by a range of factors all of which are measured by the doppler as a frequency shift Some of these factors are inherent in the method In flowing channels there are always a range of different velocities present but even in perfect conditions with all water flowing at the same velocity the histogram displayed will still have a characteristic skinny bell shape This is a composite of a variety of effects related to using Dopplers to measure water velocity in streams Varying Angle as Particles Pass Through the Main Beam ER OF SAMPLES MUNE The acoustic beam has a width or spread of about 10 The centreline of the beam is aligned at 30 above horizontal but as a particle passes horizontally through the actual angle within the beam varies from 25 to 35 E Flow
102. play Units lone l s hi Cancel User Rating File CAD ocuments and Settings bamnesc My Documents strarflovytst tut Browse Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 111 of 133 MANUAL STARFLOW MODEL 6526 e Open Channel Example 2 This Open Channel is a pre formed two stage Rectangular Channel which is 3 metres wide and 1m deep with a 1m x 300mm secondary channel in the centre 0 0 water 3 0 1 1 3 2 1 3 The Cross Sectional Area File OQCEX2 XAC is shown below 00 O 1000 1000 1000 1000 1300 2000 1300 2000 1000 3000 1000 3000 0 The Area Rating Table window for this application has these settings Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 112 of 133 MANUAL STARFLOW MODEL 6526 6576 Starflow A B amp C Table Type User Rating Flow Range Medium s Starflow Range am Display Units jor l s X User Rating File CAD ocuments and Settings barmesc Deskkoprstartlowkst bet e Open Channel Natural Stream Example 3 This Natural Stream is 3 metres wide with the shape illustrated below 3 5 0 0 0 water level t offset 1 1 2 5 1 8 2 2 1 8 The Cross Sectional Area File is shown below 00 500 1000 1000 1000 1200 1300 2200 1300 2200 1800 2500 1800 3500 0 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 113 of 133 MANUAL STARFLOW MODEL 6526 The Area Rating Table window
103. portion relates to the vertical and horizontal velocity distribution in the channel An instrument located in the centre of the stream would normally be in a higher velocity area However in a deep channel STARFLOW may only see the slower portion of the velocity profile 2 7 Depth Measurement Water depth is measured using a solid state pressure sensor mounted underneath the STARFLOW and vented to atmospheric pressure via a vent tube inside the signal cable Water pressure is sensed via a pressure damping manifold which has been designed to sense depth in front of the velocity transducer The shape of the sensing manifold is designed to reduce velocity effects on the pressure sensor These effects are significant at velocities above 2m sec The vent tube is opened to the atmosphere through the signal cable connector and a vent tube desiccant cannister is fitted to ensure moisture does not enter the vent tube Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 19 of 133 MANUAL STARFLOW MODEL 6526 2 8 Flow Rate Calculations Most users will record velocity and depth for later analysis However STARFLOW does have the capability of performing Flow Rate and Total Flow computations From these computed channels you may display and record Flow Rate and Totalised Flow volumes 2 9 A Quick Guide to STARFLOW Field Practice These examples are provided to give you an idea of how to define a Scheme which meets site and oper
104. r 0 C to 60 C water temperature STARLOG compatible 21mm s to 4500mm s bidirectional 1mm s 2 of measured velocity 30 above horizontal Page 22 of 133 MANUAL STARFLOW MODEL 6526 Depth Ranges Resolution Accuracy Type Temperature Range Resolution Power Battery Voltage Current Average Power Model 6526 21 0 to 2m Model 6526 51 0 to 5m Model 6526 21 0 to 1m 1mm 1 to 2m 2mm Model 6526 51 0 to 2 5m 2 5mm 2 5 to 5m 5mm 0 25 of calibrated lower range Hydrostatic pressure sensor vented to atmosphere 17 C to 60 C 0 1 C External 12VDC 11 5V to 15VDC 50_A standby 90mA during communication 200mA during measurement 0 3W 1 min scan rate Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 23 of 133 MANUAL STARFLOW MODEL 6526 3 1 Factory Settings Scan Rate 1 minute Log Interval 15 minutes Max Sampling Dur 2 seconds Maximum Samples 200 Quartile 100 3 2 Battery Duration Table 218 days 375 days Factory setting Due allowance must be made for interrogation by computer modem 3 3 Memory Duration Table Velocity amp Depth 2 300 days 250 days Velocity Depth amp Temperature 3 200 days 160 days Velocity Depth Temperature amp Battery 4 150 days 125 days Factory setting Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 24 of 133 MANUAL STA
105. r Manual Issue 3 1 doc Page 5 of 133 MANUAL STARFLOW MODEL 6526 15 1 15 2 15 2 1 15 2 2 15 2 3 15 3 15 3 1 15 3 2 15 3 3 15 3 4 15 4 16 0 16 1 16 1 1 16 2 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Talige o 0 e 0 9 pennerer ee nnn ent nee tite enter en et mee ene ne ene nee nnn en me are eee eee ee 124 Using STARFLOW As An SDI 12 Sensor cccceccceeccceeeceeeeeeeeeeeeeseeeeeeeeseeeseeeeseeess 124 Theory ORO DCU ONN rsaa ic esicsecne cin tieteasacedneme de E EEE EAEE 124 Data Reported by STARFLOW Sensol ccccccccccseeeeeceeeeeeeeeeeeeeaeeeeeeseeeeeesaeeeeeseeeeeesageeeeeas 125 Reporting Computed Flow ReSUItS ccccccccccsecccseeeeceeeeeeeeeeeeeesseeeeseaeessaeeessaeeeseneesseneeees 125 STARFLOW SDI 12 Implementation Notes cccceccceeceeeee cece eeeeeeseeeseeeseeeaeeeeeees 126 SDI 12 Data Recorder COMMANAS ccccccceecccceeecceeceeseececeeeeeceeceeseeeessueeeaueeessueeesaneeesaees 126 Data Recorder Coordination cccccccsscccceecccceeceseeceeeeeeeeeeececseeeseeeessaeceseueesseeeeseeeeseneessees 126 Measurement IV Ol 5 5 iacrccssbopscnsias aiei aai anaE 126 STARFLOW SDI 12 Command Implementation ccccccccecceceeceeseeeesseecesseeeeseeeeeseeeesaeees 127 DA TE Ce oe eee Pe ee oe 127 APPENDIX G MODEL 6705 EXPANDING BAND KIT 00008 130 MODEL 6705 Components cccccecccececseeeeeceeeceeec
106. rage 15 2 2 Data Reported by STARFLOW Sensor STARFLOW will respond to an SDI 12 interrogation with up to five parameters Each parameter represents a STARFLOW 16 bit integer channel value e g Water Velocity The parameter is reported as a five 5 digit fixed point signed integer For example 2100 means 2100mm s positive flow 350 means 350mm s reverse flow The implied parameter scaling is the same as defined for STARFLOW channels Velocity mm s Depth mm Temperature 01 C Voltage 01V To operate as a Sensor the STARFLOW does not have to be reprogrammed with a Scheme although it may be desirable to have the STARFLOW operating as a backup recorder 15 2 3 Reporting Computed Flow Results When STARFLOW is programmed with a flow computation scheme additional flow extension channels are available for reporting These are Address Type Meaning 160 16 bit integer Cross Sectional Area 162 32 bit integer Flow Rate 166 32 bit integer Flow 170 32 bit integer Total Flow e Limitations within SDI 12 do not allow 32 bit integer values to be reported without loss of resolution Further limitations may occur in the SDI 12 Recorder s ability to process large numbers It is recommended that 32 bit channels be reported as 2 x 16 bit integer values e g Flow Rate addr 162 scaled mm s addr 164 scale 65536 mm s Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 123 of 133 MANUAL STARFLOW MODEL 6526 15 3 STAR
107. rameter 1 Starflow Ultrasonic flow recorder SDI 12 Internal Channels SDI 12 Sensor C Microwire C HsI0 C SDI 12 Recorder C Counter amp OUTO C OUTO amp OUTI SDI 12 Sensor Address fo 4 Temperature pa Battery j Delete Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 56 of 133 MANUAL STARFLOW MODEL 6526 6 2 2 5 Configuring the Logger RS232 UPS Open the logger instrument as described under Configuring the above and select the RS232 UPS tab The RS232 Timeout controls how long the logger will remain powered on and ready to communicate at each scan interval The factory default for most loggers is 1 second which is adequate for direct serial cable connections However if communications is to take place via a modem then this should be extended to 3 5 seconds or more as required Longer timeouts will lead to increased power consumption while the logger is communicating The Scan Synchronous Communications checkbox fine tunes when the logger checks for a computer attempting to communicate with it When this checkbox is ticked the logger will wait until the end of a scan before checking to see if there is a computer wanting to communicate with it When this checkbox is not ticked the logger does not wait After this first check the logger will only check that the computer is still connected at the end of each scan regardless of the setting of this checkbox For quick scan rates thi
108. rom the start menu Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 35 of 133 MANUAL STARFLOW MODEL 6526 fin Startup Internet Explorer Ww MSN Explorer Sa Outlook Express e Remote Assistance Windows Media Player 3 windows Messenger All Programs fig Starlogv4 Jl Recorder TN E y Starlogy 4 P Log Orr 0 Turn OFF Computer 5 7 2 Support Files The first time Starlog version 4 is run it needs to install some extra support files and configure itself E StarlogV4 Support Files StarlogV4 Support Files This will install support files required by Starlog 4 software http www unidata com au cei Click Extract to install the support files 5 7 3 Backward Compatibility The next dialog lets you configure the Compatibility support for Starlog Starflow version 3 software Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 36 of 133 MANUAL STARFLOW MODEL 6526 Configure StarlogV4 nigata Starlog Y3 Compatibility Starlog 4 can automatically link to the Starlog 3 scheme editor so that you can still edit your 3 schemes Select the path to the STARLOG EX C STARLOG STARLOG EXE x Browse Select the path to unload data from Starlog 3 schemes The data will be stored in Starlog 4 format CS in a seperate sub directory for each scheme C STARLOGSDATAS Browse Starlog 4 can unload and reprogram dataloggers using Star
109. s setting does not do much however for slower scan rates clearing this checkbox to select asynchronous communication may improve the loggers responsiveness to communications Starflow Ultrasonic flow recorder R5232 Timeout Scan Synchronous Communications T Cancel Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 57 of 133 MANUAL STARFLOW MODEL 6526 6 2 2 6 Configuring the Starflow Advanced options The advanced option TAB contains very important factors which are used to interpret the Starflow data The table below shows the default settings set by the software for general flow operation Starflow Ultrasonic flow recorder sDI 12 S232 Advanced Internal Channels Min operation depth mm 25 C Setto zero Use last value Max quartile setting C Setto zero Use last value Min samples to analyse C Setto zero Use last value Min signal strength Filter Threshold C Set to zero Use last value TLL Max sampling time Max number of samples Nm Oo o Bin overflow Bin threshold T Velocity of sound mms 20 degC Enable negative velocities Depth Range C 1m 2 5m C 2m 5m Auto Cancel Options those are likely to be configured Min operating Depth The Starflow minimum operating depth is set to 25mm this is the minimum depth which is required in order for the Starflow to operate in the correct manner Max Quartile Setting The quartile setting
110. s the cable through a Drying Tube Model 6603DT containing Silica Gel desiccant Replace or regenerate the desiccant when it changes colour from blue to pink Extending the STARFLOW Cable You can use an SQL extension cable to extend the STARFLOW cable up to 35 metres If you are able to install the Drying Tube at the cable interconnection you can use the standard non vented SQL cable extensions Otherwise you need to use SQL vented cable extensions and install the drying tube at the end of the cable extension remembering to interconnect the vent tube with the external PVC vent tube link 0 depth Model 65264 STARFLOW instrument reference PYG vant tube link Model ABOIW410 A AN lt lt SQL gt gt 10 metre a Vented Extension Cabla Model 65030 Adaptor Cabal A Model 6608DT Drying Tube 9 pin D socket to computer 6 3mm Quick Connect Receptacle to 12V battery Page 29 of 133 MANUAL STARFLOW MODEL 6526 4 9 Battery Computer and Modem Connection The battery drying tube and computer connectors must be located in a weatherproof enclosure such as a Model 6701 If the drying tube or battery is inside this enclosure then it must not be completely sealed as the drying tube needs to vent to the atmosphere and the sealed lead acid battery may also vent gas during an overcharge condition 4 10 Remote Telemetry Modem Requirement STARFLOW connects directly to a standard da
111. s time whenever you Program the STARFLOW During normal operation the STARFLOW time clock may slowly lose or gain time Over a long period this may accumulate into a significant time error especially if you use Incremental Unloads and never re Program the STARFLOW in normal use To correct a time clock error simply re Program the STARFLOW remembering to Unload any logged data first If you are using a linear buffer and programming the STARFLOW after every Unload you will not have accumulated time errors Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 31 of 133 MANUAL STARFLOW MODEL 6526 5 0 STARFLOW Support Software Starlog Version 4 0 Starlog V4 is a software package designed for the management of Unidata loggers It is a standalone software application designed to replace existing Starlog or Starflow software and provide the advantages of a 100 Windows interface Features e Powerful scheme creation system e Comprehensive instrument library and editor e Multiple user profiles basic technical system developer e Multi buffer support e Telemetry support e Backward compatibility with Starlog version 3 schemes e Fully Windows XP compliant e Unloads data and converts automatically to a CSV Comma Separated Value file for easy data manipulation and viewing in Excel Hydstra or Magpie e View unloaded data in a graphical and textual format with the internal data viewer e View real time rea
112. sducer will measure velocities in both directions Reflectors are present in the water Generally the more material in the water the better STARFLOW generally works well in clean natural streams but problems may be encountered in extremely clean water No excessive aeration Bubbles are good scatterers and occasional small bubbles will enhance the signal However the speed of sound can be affected if there are excessive amounts of air entrapped in the flow The bed is stable and STARFLOW will not be buried by deposits Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Some coating and partial burying has little effect on the measured velocity but it should be avoided Page 16 of 133 MANUAL STARFLOW MODEL 6526 Other site considerations relate to the physical suitability for installation and operation of the instruments Safe working environment particularly if you are measuring wastewater pipes or in confined locations Access is possible to obtain check readings of depth and velocity at the transducer location to verify the data produced Secure installation resistant to vandalism and as inconspicuous as possible 2 6 Factors Affecting Data Accuracy STARFLOW measures velocity to an accuracy of 2 and depth to 0 25 of calibrated range This is logged to a resolution of 1 mm sec and 1mm respectively The transducers have been calibrated and are expected to be stable for l
113. seeeseeeaeeeseeseeeseeeeeeeges 24 4 0 INSTALLATION cece ceeeeceeceeeeeneeeneeeneeeneceneensecascenseenesenscnsecnseonssenssensseneseness 25 A VPRO MOUNU cerca ere stead eee cates E A E NA 25 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 2 of 133 MANUAL STARFLOW MODEL 6526 42 Locating TING StarloW pap cerns tose aie aeeokon a E iE 25 4 3 STARFLOW Pointing Upstream or Downstream cccccccceccceeeceeeeeeeeeeeeeeeeeeeeseeeeaes 27 AG POWEF CONSIGSl TONS seiiccenvccrncincncsarantannsnnodiuwptainntampenssichiiniandind Eai 27 4 5 Signal Cable and CONNECTIONS ccccccccececsecceeeeceeeceeeeseeeeeueesaeeceueeseceseueeseeeseeessneesaaes 28 4 6 STARFLOW Cable Connection Table cc ccccccccccccsececseeeeeeeceeeseeceseeeceeeeseeesneeaeesaees 28 4 Drying Tube and Desiceant eee nee ne ene eee eee eee eee 29 4 8 Extending the STARFLOW Cablle cece cccccececeeeeeeeeeeeeeeeeeseneesaeeseueeseeeseeessueesaees 29 4 9 Battery Computer and Modem CONnneCtiOn cccceccceecceeeceeeeeeeeneeseeeeeeteeteetseeeeeenees 30 4 10 Remote Telemetry Modem Requirement cccccecccseccceeeeeeeeseeeseeseseeeeeeeseeesseeeaes 30 4 11 A Quick Guide to STARFLOW Field Practice c ccc cccccecccsececeeeeeeeseeseeeeeeesaeeeaes 30 4 11 1 Site interrogated Using Remote Telemetry ccccccccseeseeeceeeeeeeeeeeeeeseeeeeesseeeeesaeeeesaeeeeeas 30 4 11 2 Site Visited at
114. sensor This is usually zero however in some installations the STARFLOW may be located away from the bottom to avoid silt and rubbish Pipe Diameter m Defines the pipe diameter Dead Sector m The deadband due to siltation if any top obvert of pipe T diameter water level K pressure sensor STARFLOW instrument ES offset dead sector _ Siltation bottom invert of pipe Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 106 of 133 MANUAL STARFLOW MODEL 6526 Pipe Examples T aier e Pipe Example 1 Pipe is 1 8m in diameter A STARFLOW unit is mounted at the bottom No silt dead sector in pipe STARFLOW instru NE depth sensor 6576 Starflow A B amp C Table Type o Flow Range Medium o Starflow Range p ras Display Unita CA M m Pipe Setup Olfset m cc Diarneter mj ne 00 Dead Sector m OO water lavel ra STARFLOW instrument Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 107 of 133 MANUAL STARFLOW MODEL 6526 e Pipe Example 2 Pipe is 900mm in diameter F A STARFLOW unit is mounted 100mm up from 1 6 the bottom and there is 75mm of silt in the pipe Note that the Table Range was set to 1 to give improved accuracy Even though using a 2m depth STARFLOW maximum depth in this application is 800mm less than 1m water level E STARFL
115. sion Version 042 Option 003 Revision 035 Upgrade Firmware Available Versions Revision 35 File 042_003_035 B1N Browse e Logger Type Shows the logger type identified by the Query Logger function e Current firmware revision Shows the firmware version currently programmed in the connected data logger e Available Versions Lists all the firmware available to the Starlog software that is compatible with the connected data logger You may click the Browse button to manually select an unlisted firmware but updating a logger with unlisted firmware may make the logger unusable or even damage it e Query Logger Automatically identifies the logger connected to the PC e Upgrade Firmware Click to upgrade the connected data logger to the firmware selected in the Available Versions field The window will indicate the progress of the upgrade Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 86 of 133 MANUAL STARFLOW MODEL 6526 11 3 SDI 12 Test The SDI 12 Test function allows you to check the operation of the Starflow tow as an SDI 12 recorder and the operation if it is being used as an SDI 12 sensor such as a Starflow instrument connected to an external logger This is explained in more detail on page 87 11 3 1 Velocity Trace This facility helps you to learn more about using STARFLOW for flow measurement It lets you look at the velocity data the STARFLOW is recording and to experiment with ways
116. sion 3 scheme programs The Starlog V3 Data Path Is the location of the data files generated by Starlog version 4 when it unloads loggers programmed using version 3 schemes The StarlogV3 Application Path is the location of the main version 3 executable This is used to locate the remaining components of the version 3 software The Generate StarlogV3 support files checkbox determines if Starlog version 4 will generate various files used by version 3 software but no longer required in version 4 Such files include the SCM version 3 scheme definition INI text file of scheme settings FTU test display and ENT log buffer display This is to support non Starlog software packages that look for and use those files 5 7 6 User Profiles User profiles are used to simplify the operation of the Scheme Editor by limiting the number of visible options If you are the only person using the software you may wish to ensure the full functionality of the software is available File Logger Window To adjust user profiles start the Scheme Editor by clicking on the Scheme os gm Editor icon see picture to the right then select File Setup fe Profiles The following dialog will appear Select Editor Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 41 of 133 MANUAL STARFLOW MODEL 6526 Xt Edit User Profile ME Default User a EDITOR LISTBAR C Technical User Scheme C System Developer
117. ta 6509C 102 Disconnect No Response No Response Search No Response No Response No Response No Response No Response Petty 6 No Response No Response The sensor 013Unidata 6509C 102 returned 496 967 06 867 06 arr 11 arabe 0D010 496 967 06 867 06 2 2 1 1 3 3 Note that different sensors will return not just different values but different numbers of values Most sensors will only return a single value Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 127 of 133 MANUAL STARFLOW MODEL 6526 16 0 Appendix G Model 6705 Expanding Band Kit The Model 6705 Expanding Band kit allows you to install a STARFLOW instrument into a pipe Features Modular The design is modular allowing it to fit into any size pipe The band is flexible enough to fit irregular shapes such as ovoid egg shaped sections Robust All components are made from stainless steel and the band fittings are 100mm wide to fit the standard STARFLOW mount Adjustable Although pipes come in standard diameters their dimensions are not always accurate This means that an expanding band system must allow the installer to make adjustments on site To achieve this the Model 6705 system is made so that general assembly can be done in the workshop whilst adjustments can be made in the field with hand tools An expanding turn buckle locks the band into the pipe Unidata Manual 6526 Starflow User Manual Issue 3 1 doc
118. ta modem This allows you to interrogate examine real time readings and unload recorded data from your office over a standard telephone line or cellular phone network The preferred modem has the following characteristics 12V DC operation with low power modes Micropower standby mode Power ON with RING DETECT and DTR At least 2400 baud communication rate MNP Class 2 5 and CCITT V 42 bis data compression and error correction 9600 baud computer interface Suitable for switched network or cellular phone operation Several brands of modem are available Contact your nearest UNIDATA supplier for more information STARFLOW MODEM Power Requirements When communicating with a STARFLOW via a modem both the STARFLOW and modem remain switched on and consume many times their idle power Care should be taken to limit communications to 30 minutes per day or increase battery size and solar panel accordingly 4 11 A Quick Guide to STARFLOW Field Practice These examples are provided to give you an idea of how to define a Scheme which meets site and operations requirements 4 11 1 Site interrogated Using Remote Telemetry If you intend to interrogate STARFLOW using a modem remote telemetry Specify the use of a Circular Log Buffer in the scheme Perform Incremental Unloads Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 30 of 133 MANUAL STARFLOW MODEL 6526 If STARFLOW had a full log buffer it would take a
119. th Average Velocity Average Temperature Average Battery Aaw Click on the channel to select it then click on the up down buttons on the left to nudge it up down the list Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 62 of 133 MANUAL STARFLOW MODEL 6526 6 4 Events Events allow the logger to act on changes on its inputs Various actions include triggered logging SMS alerts and relay control A maximum of 32 events are supported 6 4 1 Types of Events There are many different types of events Event Type l Description ee ee An event that is always TRUE Channel A gt B Channel A gt B Compares channel A with a fixed value B Channel A lt B Channel A lt B NOTE lt gt is not equal Channel A B Channel A lt gt B Channel A gt Channel B Channel A gt Compares a channel A with a second channel B Channel B NOTE There are no less than comparisons as Channel A Channel X lt Channel Y is the same as Channel Y gt Channel B Channel X Channel A lt gt Channel B Delta Channel A Monitors channel A and becomes TRUE for one scan gt B when that channel has changed by more than B since the last time the event was triggered If channel A has Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 63 of 133 Event Type Event A AND Event B Event A OR Event B Delta Event A Every B on Channel A NOT Eve
120. the description in those list boxes so make sure the name will be enough to remember the purpose of each event e Description This can be a longer description of the event e Event This specifies the type of the event See the table under Types of Events on page 64 e Parameter A Depending on the type of event this may be a channel or another event e Parameter B Depending on the type of event this may be a channel another event or a constant value e Parameter C So far only the Channel A between B and C uses this parameter as a constant value e Output This is a list of the possible actions the logger can perform for every scan that the event is true e Force Log to Buffer For every scan the event is true this will force the selected log buffer to log the channels as configured in the Log Buffer window see Log Buffer on page 59 6 4 4 Using Events Using events can become complicated because while each event by itself is very simple to get even moderately complex behaviour several events may need to be combined to obtain the required functionality To demonstrate this the following example describes how to implement hysteresis Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 65 of 133 MANUAL STARFLOW MODEL 6526 Imagine a logger monitoring temperature and being able to control a cooling system When the temperature exceeds some threshold the logger should turn the cooling system on until t
121. tton A window will appear showing you the progress of the unload Progress Retreiving pointers When complete the newly unloaded data will be added to the list of files Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 78 of 133 MANUAL STARFLOW MODEL 6526 Unload Data from Datalogger f Full Unload Unload Data f Partial Unload f ncremental Unload Append data to file STARFLOYW 2008Jun16_01 C5Y Data Range SQ STARFLO 200 27 Bb 16 06 2008 2 43 40 PM to 16 06 2008 2 54 20 PM You can view a CSV file by double clicking on it in the list See Viewing Data on page 80 for a complete description of viewing logged data 10 0 Viewing Data Starlog is not data processing software We recommend that you use Tideda Hydsys or Magpie to process data The data viewer is for functional testing only To view data that you have previously unloaded click the View Data icon shown to the right The following window will appear View Data STARFLOW Main Buffer a STARFLOW_2009Jun16_01 CS e a Initially only the Source Data File tab is available This is where you select the data you want to view Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 79 of 133 MANUAL STARFLOW MODEL 6526 10 1 Source Data File Before selecting the file to view you must first select the type of data you want to view There are four supported types 1 StarlogV4 CSV V
122. ual 6526 Starflow User Manual Issue 3 1 doc Page 45 of 133 MANUAL STARFLOW MODEL 6526 Starlog version 4 has the following program structure Instruments Editor Create edit Delete Instruments Sensors Scheme Editor Systems Editor Combination of Logger Create edit and Delete and Instruments with Schemes fixed Scheme Default settings Loggers Editor Modify Logger Navigation Control Parameters Channels Open a Scheme and Scaling Factors Program a Logger Unload a Logger Telemetry Extension Starcommand Unload multiple Sites Automaticaly Test Mode The most common logger operations are simple to start from the main Starlog window The main Starlog version 4 window and major functional areas are shown below Conmmra nns Diamostes Tools stah Area Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 46 of 133 MANUAL STARFLOW MODEL 6526 e Scheme Control Icons These provide access to scheme related functionality such as selecting a scheme editing a scheme and viewing data logged by the scheme If you can t see them click on the Starlog V4 button to show them e Communications Diagnostics Tools These provide access to tools useful for troubleshooting communications problems Click on the Diagnostics button to show them e Launch Bar This is where you can add groups of external applications Such applications might include custom data analysis tools you may have Wh
123. uts Faster scan rates make it more likely the data logger will capture accurate minima and maxima but will shorten the battery life The scan rate also influences averaging If you want to log average data every 15 minutes then a 5 second scan rate implies 15x60 5 180 samples If you don t need that many samples you could increase the scan rate to maximize battery life Another limit the scan rate imposes is on the maximum logging interval The maximum log interval is 65535 times the scan rate For example if you set the scan rate to 1 second the maximum logging interval is 65535 seconds or 18 hours 12 minutes 15 seconds If you want a log interval of 1 day you would need a scan rate of at least 2 seconds The Logger Serial Number Is optional and may be left blank The Scheme Description should be set to something that will assist you in remember what the scheme is for Apart from the Scan Rate the Communication settings are the next most critical If they re wrong you won t be able to program or unload your logger You should have configured your communications settings earlier under Communications Mapping on page 43 Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 51 of 133 MANUAL STARFLOW MODEL 6526 6 2 2 Instruments The Instruments window lets you define what instruments are connected to the logger Instruments define the relationship between what the logger measures voltages pulses counts digit
124. w will list any sensors found WY SDI 12 Diagnostics Address 0 013Unidata 6509C 102 No Response No Response No Response No Response No Response No Response No Response No Response No Response The above screenshot shows that there is a Unidata 6509C Water Level instrument connected on address 0 and no other instruments on any other channel if using a Starflow it would appear with 6526 To send commands to a sensor select it from the list then select the command to send from the drop down list the Measure aM in the above screenshot When you select a command the actually command that will be sent on the SDI 12 bus is shown next to it the OM in the above screenshot Click Send to send the command on to the SDI 12 bus NY 5D1 12 Diagnostics Address 0 013Unidata 6509C 102 No Response No Response No Response No Response No Response No Response No Response Nog The sensor 013Unidata 6509C 102 will have read 6 values in 000 seconds Send the Read Data Command to retreive the data after this interval Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 126 of 133 MANUAL STARFLOW MODEL 6526 If there is a response it will appear in the communication log area and the software will also provide an interpretation of the response The above shows the response to a Measure command the following is the response to a subsequent Read NY sDI 12 Diagnostics Address 0 013Unida
125. y only be used on one PC Refer to the User Manual for licensing terms and conditions User Name Code key Unidata Manual 6526 Starflow User Manual Issue 3 1 doc Page 38 of 133 MANUAL STARFLOW MODEL 6526 If you instead see the message Incorrect key or invalid user name entered click OK double check the values you ve entered If you continue to have problems contact your software vendor The next screen confirms your User Name and Code Key Click Finish to complete the setup and enter the main software screen 5 7 5 Configuring V4 Options Once the software is running it is recommended to check some settings to make sure they are correctly set before doing significant work with Starlog V4 Go to the File menu and select Options then Configure StarlogV4 5 7 5 1 Starlog V4 Options On the Starlog V4 tab select your Preferred Units The Data Path and Scheme Path settings are already set to suitable defaults and should not be adjusted StarlogV4 options Starlog V4 Data Format Starlog V3 Preferred Units Metric Imperial Data Path C Program Files Starlog 4 DATA Browse Schemes Path C Program Files StarlogV4 SCHEMES Browse Cancel 5 7 5 2 Data Format Options On the Data Format tab select your preferred Date Time Format lf the format you d prefer is not listed you may directly enter the format you d prefer Output File Headers controls what information is included in the

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