H-ADFM Velocity Profiler User Manual
Contents
1. eeeee eens 1 1 LLS Wan DADEM a T aepo TUA ED Tc MR ee hed e hts 1 2 1 2 Installation Overview 1 2 Section 2 Physical Installation 2 1 2 2 ChannelMaster Installation 0 0 000 ccc ccc eee een eens 2 1 Flow Computer Installation 0 00 ce eee nee 2 1 Section 3 Wiring Installation 3 1 ChannelMaster I O Cable llle 3 1 3 2 Power Supply isese lk uer eL a i eee ee eee S 3 1 3 3 Analog Data Output e alese steag te apa eere 3 1 3 4 Totalizer Pulse Output serc ereo irent e a ee 3 2 3 5 Communications ole Ce ALL EBA Be Ek BITE E WIDE AA RE REA E 3 2 35 1 RS 232 4 save MC O 3 2 9 02 R 9 429 0 A eere tates M MU E IE O RN 3 2 Section 4 Software Installation and Station File Configuration 4 1 4 2 4 8 4 4 4 5 Introduction be Gov Lr RERO ERR EA S RUE ERR RR 4 1 Installing the Software 0 0 teen een E 4 1 Configuring the System Settings nanunua urnan ee eee eens 4 2 4 9 1 teres E ES E sat Wag ache E nat Sh E ah Sd PAE a S tans 4 2 4 3 2 Display Units so see A A E 4 2 4 3 3 4 20 mA Outputs sel ex cen pa ai eae dE 4 3 4 3 4 Totalizer ori vm Re Ge tin OE ene bse VU See ae 4 3 4 3 5 Communications cele ge eek Gee ex x Rr a Wee E enn 4 4 4 3 6 Graphic Preferences csere niies e cece eee nee 4 4 4 3 7 Flow Computer Settings 0 0 0 0 ccc ee ees 4 4 4 3 8 Calculation Settings lese 4 5 Configuring the Channel Dimensions 0 eee e e2. 6 3 download 5 5 erase 5 6 graphing 6 3 hydrograph 6 2 realtime 5 7 refresh 6 1 reviewing 6 1 smoothing 4 4 tabular display 6 4 viewing 6 1 DGH module 5 1 F flow calculation 4 5 flow computer 1 2 installation 2 1 programming 5 3 settings 4 4 G graphic preferences 4 4 graphs 6 3 beam 6 3 whisker graph 6 3 H hydrograph 6 2 I installation channelmaster 2 1 flow computer 2 1 overview 1 2 software 4 1 wiring 3 1 L listen realtime 5 7 Index 1 H ADFM Velocity Profiler Index mounting orientation 4 6 P power 3 1 programming 5 1 ChannelMaster 5 4 5 7 flow computer 5 3 S serial connection 5 1 smoothing 4 4 software Basic X 4 1 DGH 4 1 5 1 installation 4 1 WinHADFM 4 1 station files 4 2 System overview 1 1 T testing 5 1 DGH module 5 1 totalizer 3 2 4 3 U units of measure 4 2 4 3 vV velocity profiling 4 13 range 4 14 velocity model 4 10 compound linear regression 4 12 linear regression 4 11 power law regression 4 12 W wiring 3 1 analog output 3 1 1 O cable 3 1 power supply 3 1 serial communication 3 2 Z zero screen 4 4 Index 2 Teledyne Isco One Year Limited Warranty Factory Service for Teledyne Isco Flow Meters Waste Water Samplers and Syringe Pumps This warranty exclusively covers instruments providing a one year covering parts and labor Any instrument that fails during the warranty p
3. calibration data when the H ADFM was installed and con figured In cases where the effect of stage on the velocity model is insig nificant the linear regression equation may be reduced to a one parameter linear regression such as V B BoVj This is achieved by entering zero in the Bg field Station Configuration x System Channel Velocity Model Velocity Model Type Y B Bj BHV Profiling Frequency f 200 KHz Sample Interval 30 Sec y v Automatically calculate settings Optimize velocity precision Optimize horizontal resolution 0 0 1 0 E EC Balance precisioniresolution gs 00 Pings 250 Blank 19 69 In Bins 30 Bin Size 11 81 In Edit Commands Forced Depth Velocity Range Calculate Automatically Use forced depth In Start 2 Stop 25 Figure 4 2 Linear Regression Model H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration 4 5 2 Power Law Regression Model Station Configuration y x System Channel Velocity Model The Power Law Regression model calculates average velocity V at time t and uses site specific regression coefficients a B These will have been determined by the user using independent calibration data when the H ADFM was installed and con figured Velocity Model Profiling Type Frequency 200 KHz Sample Interval
4. 30 Sec yaga l V Automatically calculate settings C Optimize velocity precision Optimize horizontal resolution 0 0 1 0 a B Balance precision resolution Pings 250 Blank 19 69 In Bins 30 Bin Size 11 81 In Edit Commands Forced Depth Velocity Range Calculate Automatically Use forced depth In Start 2 Stop 25 om Figure 4 3 Power Law Regression Model 4 5 3 Compound Linear Regression Model 4 12 The Compound Linear Regression model calculates mean velocity and is used when extreme hydraulic conditions prevent the use of the standard linear regression model The critical velocity V determines the velocity at which the second equation is used for velocity calculation V must be set in the units spec ified for velocity in the Units section of the System tab H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration Station Configuration x System Channel Velocity Model Velocity Model Profiling Type e aan Regressio Frequency h 200 KHz y B BY if V V Sample Interval 30 Sec w Automatically calculate settings V Bj B ifv V Optimize velocity precision Optimize horizontal resolution 0 0 10 i B2 Balance precisioniresolution B3 oo B4 foo Pings 250 Blank 19 69 In Bins 30 Bin Size 11 81 In Crit el o0 ftis Edit Commands Forced Depth Velocity Range Calcu
5. Downoad Data zi System Site Name Example01H Firmware Cm02 07 2006 11 20 12 07 08 Frequency 1200 KHz Time Program 5 5 5 Download Data Selecting this command will download all data currently stored on the ChannelMaster s internal recorder to your computer You will be asked if you want to erase the recorder at the end of the download process Teledyne Isco suggests erasing the recorder at this time to expedite subsequent downloads and avoid generating overlapping data files 5 5 H ADFM Velocity Profiler Section 5 Programming and Testing the H ADFM Channel Master Communications x Transfering Example01H3373013275 000 66560 of 257136 byt Wakeup transfer errors System Test Zerg Pressure Check Orientation Abort Ej Erase Data System Site Name Exampieo1H Firmware omo2 07 Time 2006 1 20 12 08 13 Frequency 1200 KHz protirim t D 0 X WinHADFM xs A The transfer has completed successfully would you like to erase the recorder card now recommended 5 5 6 Erase Data 5 5 7 Set Time 5 6 All data currently stored on the ChannelMaster s internal recorder will be erased when you select this command You will be prompted to confirm this selection to avoid inadvertently losing stored data The ChannelMaster contains an internal real time clock and all recorded data is time stamped Selecting Set T
6. and output Smoothing multiplies a portion of the current reading by the pre vious reading R TCF M 1 TCF P where M is the current measured value from the instrument P is the previous output value R is the new output data value Note that R becomes the P for the next reading Also a TCF of 1 0 means that no smoothing will be performed this is the default The smoothing time constant TC is calculated from the TCF and sample interval and is displayed for the user s infor mation The Flow Computer is designed to respond quickly when large changes in flow rate occur rapidly The smoothing specified by the TCF value is ignored and the new output data value equals the current measured output when the change in flow rate exceeds the specified percentage of the analog output span The Big Step value is that percentage entered as a decimal fraction of the analog output span for flow rate The corresponding flow rate change is displayed for the user s information All instruments become less precise when reading values very near to zero The Flow Computer is designed to output a zero reading when the flow rate is very low The Zero Screen value is 4 3 8 Calculation Settings 4 4 Configuring the Channel Dimensions H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration the user selected percentage entered as a decimal of the analog output span for flow rate below which the o
7. and the H ADFM Flow Computer have three velocity models to choose from Linear Regression Power Law Regression and Compound Linear Regression The selected model is used to calculate the average velocity and flow rate from the index velocity The following variables are used in the velocity models Table 4 5 Velocity Model Variables Variable Description The final computed average velocity The index velocity computed as an average of the velocity bins specified in the Index Range fields The critical velocity used in the Compound Linear Regression velocity model When this average velocity is reached or exceeded the second equation in the model is used The stage or water height in the units specified in the Units section of the System tab See Figure 4 1 for more information Any user designed coefficient used in the velocity calculation 4 10 4 5 1 Linear Regression Model H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration M Note For more information about determining the site specific regression coefficients please refer to the following application notes http www adcp com pdfs channelmaster_checkpoint13 pdf http www adcp com pdfs channel_streampro_imperial pdf The Linear Regression model calculates the average velocity V at time t B By and Bg are site specific regression coefficients These will have been determined by the user using independent
8. window showing data as it is received from the ChannelMaster Data will be depicted in both graphical and tabular formats Close the window to exit real time data collection mode You can monitor ChannelMaster operation and collect real time data without interrupting normal operation of the Channel Master by selecting the Listen Realtime function from the main station window Data will be depicted in both graphical and tabular formats Figure 5 3 Close the window to exit real time data collection 5 7 H ADFM Velocity Profiler Section 5 Programming and Testing the H ADFM 3 Example01H Stage In Velocity ft s Flow MGD Number Ranae In Stage In Velocity ft s Area sa ft us Moving Ava EE Z4 Figure 5 3 Listen Realtime data window 5 8 H ADFM Velocity Profiler Section 6 Reviewing Collected Data 6 1 Refresh 6 2 View Data 6 2 1 Configuring the Data Display 6 2 2 Resizing Display Areas All data collected by the WinHADFM software by downloading from the ChannelMaster or while listening to ChannelMaster in real time mode is stored on the computer in the following path C WinHADFM SITES lt groupname gt lt stationname gt A list of available data files for a station is displayed in the main station window Selecting a data file from the list will display sta tistical information about the data within that file M Note Changes to the calculation settings in th
9. 5 5 5 Download Data 0 0 cece cece nnn ene n ene eees 5 5 5 5 6 Erase Data telle bev SPOR ORAS Bee ee Gee es 5 6 5 5 Set Time xor uy Pe tid Reet Beck ORES CERE tee ER aes 5 6 5 5 8 Sleep v a ey few eave deve i Wa A A ge RU NR 5 7 5 5 9 Program uere ME eS pU e ECC Eae 5 7 5 6 Listen Realtime l l hh hh 5 7 Section 6 Reviewing Collected Data Gi Refresh ie is AERE CA ta 6 1 6 2 View Data c v sony cot ya en UU e RR UR ORDRE ER NEM Ss 6 1 6 2 1 Configuring the Data Display 0 0 0 cece eects 6 1 6 2 2 Resizing Display Areas seeeeeeeee eh 6 1 6 2 3 Hydrograplh edi Ege querat s acosta 6 2 6 2 4 Velocity Distribution Whisker Graph 2 0 0 eee ee eee 6 3 6 2 5 Beam Graphs 0 ccc ehh hrs 6 3 6 2 6 Tabular Display iue ER ee a eee eT hoe Seen oe te 6 4 Appendix A Current Loop Calibration List of Figures 1 1 H ADFM Flow Computer 0 00 e nn enes 1 2 3 1 Analog Output Terminal Block 0 3 2 3 2 RS 422 Configuration o 3 2 4 1 Channel Dimensions 0 0 cece teen en ene eens 4 6 4 2 Linear Regression Model 0c eee cee eens 4 11 4 3 Power Law Regression Model 0 0 0 c cece eects 4 12 4 4 Compound Linear Regression Model 0 00 cece eee 4 13 5 1 Connecting the H ADFM toa PC ee cece nen 5 1 5 2 DGH Test Settings oneri geben fiwcaheestivcud ieee 5 2 5 3 Listen Realtime data window esee 5 8 6 I
10. DFM Velocity Profiler Section 6 Reviewing Collected Data 6 2 3 Hydrograph This graphical display area is used to show all time series data stored in the selected data file The hydrograph includes traces for stage average velocity and flow rate Stage is the water level above the reference datum and is calculated from the measured range to water surface using the Z ADCP value s saved in the calculation settings dialog Average velocity is calculated from index velocity using the velocity model settings saved in the cal culation settings dialog Flow rate is calculated from stage and average velocity using the channel geometry configuration saved with the calculation settings entries The date time stamp of the recorded data is used to determine the entry in the calculation settings dialog in effect for that data Calculation setting entries store the channel geometry settings in effect at the time the entry was created Channel geometry settings cannot be edited once created If you wish to change the channel geometry settings in use for a given time period you must configure the station file for the desired geometry settings create the calculations settings entry then if neces sary return the geometry settings to their correct values M Note Calculation settings are currently not sorted by date time The user must ensure that all calculation setting entries are arranged in proper date time sequence A dashed vertical position m
11. Datadisplay ledl dol Raw Geert wu m PIEEO EE AERE pE aai 6 3 List of Tables 4 1 User Selectable Units of Measure 0 cece cece een 4 3 4 2 Rectangular Channel Fields 0 cece cee eens 4 7 4 3 Circular Channel Fields 0 0 ccc eet eee nnes 4 8 4 4 Trapezoidal Channel Fields 0 ccc eects 4 9 H ADFM Velocity Profiler Table of Contents 4 5 Velocity Model Variables 0 0 cc eee nen eens 4 10 5 1 DIP Switch SW2 Settings for DGH Verification 0002 eee 5 2 A 1 DIP Switch SW2 Settings for DGH Calibration ooooooooooo o A 1 A 2 SW2 DIP Switch Functions 0 0 cece eee eens A 1 vii H ADFM Velocity Profiler Table of Contents viii H ADFM Velocity Profiler Section 1 Introduction 1 1 System Overview 1 1 1 ChannelMaster H ADCP 1 1 2 Software 1 2 Installation Overview The Horizontal Acoustic Doppler Flow Meter H ADFM from Teledyne Isco Inc leverages the exceptional velocity profiling capability of the ChannelMaster horizontal ADCP manufactured by Teledyne RDI Inc The H ADFM system consists of the Chan nelMaster instrument and an Isco designed Flow Computer that accurately measure depth and velocity and calculate flow rates Each component is described in more detail below The H ADFM is a Horizontal Acoustic Doppler Current Profiler H ADCP It is available in 300kHz 600kHz and 1200kHz con figurations The i
12. H ADFM Velocity Profiler Operation Maintenance amp Software Manual 29 TELEDYNE ISCO A Teledyne Technologies Company Part 69 7303 001 of Assembly 60 7304 004 Copyright 2006 All rights reserved Teledyne Isco Inc Revision A April 11 2011 Foreword This instruction manual is designed to help you gain a thorough understanding of the operation of the equipment Teledyne Isco recommends that you read this manual completely before placing the equipment in service Although Teledyne Isco designs reliability into all equipment there is always the possi bility of a malfunction This manual may help in diagnosing and repairing the malfunc tion If the problem persists call or e mail the Teledyne Isco Technical Service Department for assistance Simple difficulties can often be diagnosed over the phone If it is necessary to return the equipment to the factory for service please follow the shipping instructions provided by the Customer Service Department including the use of the Return Authorization Number specified Be sure to include a note describing the malfunction This will aid in the prompt repair and return of the equipment Teledyne Isco welcomes suggestions that would improve the information presented in this manual or enhance the operation of the equipment itself Teledyne Isco is continually improving its products and reserves the right to change product specifications replacement parts schematics an
13. and the channel dimensions The unit indicators next to the input fields for these parameters will change to reflect your choices in the unit window The units selected for stage also determine the units for the channel dimensions in the Channel tab Selecting an English measurement e g inches for stage will require the channel to be dimensioned in English units inches Selecting a metric mea surement e g meters will require you to dimension the channel in metric units meters If the unit selected for stage is modified after channel dimen sions have been entered those dimensions will be re scaled accordingly H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration Table 4 1 lists the units available for each measurement Table 4 1 User Selectable Units of Measure Measurement Available Units Flow MGD Gallons per minute Cubic meters per second Liters per second Cubic feet per second Million liters per day Velocity Meters per second Feet per second Millimeters per second Centimeters per second Stage Inches Centimeters Millimeters Meters Volume Temperature Liters Cubic meters Megaliters Gallons Cubic feet KGallons Million Gal lons Acre Feet Degrees Fahrenheit Degrees Celsius 4 3 8 4 20 mA Output The 4 20 Output section of the System tab allows you to set the 4 3 4 Totalizer relationship between the digital and analog signals o
14. arker is included in the hydrograph see Figure 6 1 Data in the remaining graphical display areas and in the tabular display is synchronized to the ensemble indi cated by the position marker in the hydrograph Clicking in the hydrograph will move the position marker and synchronize the remaining display areas to the selected ensemble 6 2 S E ampleo 1H marker ts Position Stage In 09 30 00 2006 06 28 09 25 46 2006 06 28 09 26 16 2006 06 28 09 26 46 2006 06 28 09 27 16 9 2006 06 28 09 28 16 7 09 Figure 6 1 Data display 6 2 4 Velocity Distribution Whisker Graph 6 2 5 Beam Graphs H ADFM Velocity Profiler Section 6 Reviewing Collected Data Velocity ft s Flow MGD 10 00 00 Index veloc velocity ft s Area sa ft Flow MGD This graphical display area is used to display the current ensemble s measured velocity vector for each velocity bin within the index velocity range Bins outside of the index velocity range are not displayed Data is plotted from a bird s eye perspective with the right bank on the right side of the graph and the left bank on the left size and downstream positive flow to the top of the graph The horizontal axis scaling indicates the distance from the channel bank either left or right depending on mounting orientation Tick marks are provided along the hori zontal axis to indicate bin positions with a larger tick mark every 5 bins The length of a whisker ind
15. conds by default when the mea sured volume increases by the amount specified in the Totalizer Pulse field The units for this value are the same as the units specified for Volume in the Units section H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration 4 4 4 3 5 Communications 4 3 6 Graphic Preferences 4 3 7 Flow Computer Settings Smoothing Big Step Zero Screen M Note The built in totalizer uses volatile memory and will reset to zero when power is disconnected or when new configuration set tings are sent to the Flow Computer M Note Setting the Totalizer Pulse value too small will cause the Flow Computer to stop responding to data from the ChannelMaster The Communications drop down list allows you to select the Com port your computer uses for its serial connection Click the Graphics Preferences button to bring up a new dialog box where you can specify which graphs and data types to display when viewing data Click the Flow Computer Settings button to bring up a new dialog box where you can specify what analog value s to output in the case of bad or missing data how many consecutive bad readings are allowed before the flow computer switches to the appropriate analog output value s how long the flow computer will wait for data from the ChannelMaster before timing out the duration of the totalizer pulse and what smoothing parameters if any are used for data display
16. d instruc tions without notice Contact Information Customer Service Phone 800 228 4373 USA Canada Mexico 402 464 0231 Outside North America Fax 402 465 3022 Email IscoCSR teledyne com Technical Support Phone 800 775 2965 Analytical 866 298 6174 Samplers and Flow Meters Email IscoService teledyne com Return equipment to 4700 Superior Street Lincoln NE 68504 1398 Other Correspondence Mail to P O Box 82531 Lincoln NE 68501 2531 Email IscoInfo teledyne com Web site www isco com Revised March 17 2009 H ADFM Velocity Profiler Notes About this manual DANGER DANGER limited to the most extreme situations to identify an imminent hazard which if not avoided will result in death or serious injury AN WARNING Warnings identify a potentially hazardous condition which if not avoided could result in death or serious injury N CAUTION Cautions identify a potential hazard which if not avoided may result in minor or moderate injury This category can also warn you of unsafe practices or conditions that may cause property damage M Note Notes contain useful information that may help you in deciding which settings to choose H ADFM Velocity Profiler Notes H ADFM Velocity Profiler Table of Contents Section 1 Introduction Ll System Overview i else pm a eh ace lena hase ae d 1 1 1 1 1 ChannelMaster H ADCP 00 e 1 1 1 1 2 H ADFM Flow Computer
17. e is that the Height is referenced to the origin of the local coordinate system Z zero making it an absolute dimension Width Bottom on the other hand is not referenced to the origin making it a relative dimension Table 4 4 describes the fields used to define a trapezoidal channel 4 8 H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration Table 4 4 Trapezoidal Channel Fields Z ADCP is the height in units selected for stage in the System tab of the H ADFM above the reference datum This value is determined when the H ADFM is installed and configured Z ADCP is marked by a blue line in the display window Reference Datum The reference datum is a user specified line located at or below the channel bottom The reference datum is always Z zero for the coordi nate system used to define the channel cross section regardless of where it is at in relation to the channel Z Bottom Z Bottom is the distance between the reference datum and the bottom of the channel This value is zero if the channel bottom and the refer ence datum are the same i e Z zero The Width is the width of the channel bottom Use the units shown below the channel drawing window Unlike the Height value the Width Bottom value is not in reference to the local coordinate system The distance between the ChannelMaster and the wall of the Channel This is used by the ChannelMaster to calculate the di
18. e station file may inval idate the stored statistical information That information may be updated by viewing the data file or by clicking the refresh but ton below the list of data files Selecting Refresh from the main station window will update the stored statistical information for every available data file This information is displayed whenever a file is selected from the list This statistical information should be refreshed every time changes are made to the calculations settings for the station file or when data files are manually added to the site data directory Selecting View Data will open a window depicting the contents of the data file in both graphical and tabular formats The data display window is configurable in both content and the size of each display area Standard display components include a hydro graph velocity vector graph velocity beam data and a tabular view Data can also be copied from the tabular display area and pasted into a spreadsheet Contents of the data display window may be changed by selecting Graphics Preferences on the System tab of the Station Configu ration dialog Different display configurations can be used for each station file The data display is divided into individual panes for each display type The space allocated to each graphical or tabular area can be adjusted by clicking on and moving the dividers Display area sizing is not saved in by the program 6 1 H A
19. ed range of cells 6 4 H ADFM Velocity Profiler Appendix A Current Loop Calibration The current loop calibration procedure calibrates the analog output signal of the DGH modules A calibrated ammeter and a PC with the DGH 2000 software installed are required to perform this procedure Follow the steps below for each analog output channel 1 Start the DGH Utility Software 2000 2 From the Tools menu select ASCII Command Line Editor 3 Click the Settings tab and ensure that the baud rate matches that of the DGH module see the setup to change this 4 Click the Open button in the Settings window 5 Connect the serial cable to the appropriate DB9 connector 6 Set the DIP switches SW2 to the following settings Table A 1 DIP Switch SW2 Settings for DGH Calibration Switch Normal Setting Test Setting 1 Off N A 2 Off On 3 On N A 4 On On Off turn off if testing flow channel 5 On On Off turn off if testing depth channel 6 Off On Off turn off if testing velocity channel Table A 2 SW2 DIP Switch Functions On Function Enables microprocessor programming Off for normal operation Off Function Disables microprocessor programming Forces DGH module to default communication settings 300 baud Off for normal operation Forces DGH to use configured communi cation settings 2400 baud Enables microprocessor input Isolates microprocessor from inp
20. ee eee eee 4 5 4 4 1 Mounting Orientation 0 ee eee eens 4 6 4 4 2 Rectangular Channels lees 4 6 4 4 8 Circular Channels eese en 4 7 4 4 4 Trapezoidal Channels 0 0 0 c ccc eee nee 4 8 4 4 5 Multi Point Channels 0 0 eee eee eens 4 9 4 4 6 Polynomial Channel 0 0c cette eens 4 10 Configuring the Velocity Model 0 4 10 4 5 1 Linear Regression Model 00 cece ete tence nena 4 11 4 5 2 Power Law Regression Model 0 ccc cece eee tenes 4 12 4 5 8 Compound Linear Regression Model 0 000 cee e eee 4 12 4 5 4 Forced Depth ci cc 0 ean cara eee EE eda a eee 4 13 4 5 5 Profiling i eve Seek Se E UND DEUS HEN Ns SEE ee a 4 13 H ADFM Velocity Profiler Table of Contents vi 4 5 6 Velocity Range 0 0 ccc eee eee een eens 4 14 Section 5 Programming and Testing the H ADFM Del OVERVIEW 1 set RA RIA owe whee He 5 1 5 2 Connecting the H ADFM Flow Computer toa PC 00 0 2 eee eee 5 1 5 3 Verifying the DGH Module Calibration 0 0 cece eens 5 1 5 4 Programming the Flow Computer enans ccc eee e eens 5 3 5 5 Programming the ChannelMaster 00 0 ccc eect eens 5 4 5 5 1 Wakeup ie 22 2 cence A A tees db ee ES 5 4 BO 2 ysStem Test teet EL thee ale ees 5 4 5 5 9 Zero Pressure caia vee ee NG RAO Re ce ae EUM EAE ae 5 5 5 5 4 Check Orientation lees hme 5 5
21. el bottom is used as the reference datum the Z Bottom value will be zero The mounting orientation specifies which side of the channel the instrument is mounted on with respect to the flow direction Flow direction in the graphic window is away from you into the Screen Table 4 2 describes the fields used to define a rectangular channel H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration Table 4 2 Rectangular Channel Fields Z ADCP is the height in units selected for stage in the System tab of the H ADFM above the reference datum This value is determined when the H ADFM is installed and configured Z ADCP is marked by a blue line in the display window Reference Datum The reference datum is a user specified line located at or below the channel bottom The reference datum is always Z zero for the coordi nate system used to define the channel cross section regardless of where it is at in relation to the channel Z Bottom Z Bottom is the distance between the reference datum and the bottom of the channel This value is zero if the channel bottom and the refer ence datum are the same i e Z zero The Width is the width of the channel at depth Z Bottom Use the units shown below the channel drawing window Mounting Orientation 4 4 3 Circular Channels The distance between the ChannelMaster and the wall of the Channel This is used by the ChannelMaster to calc
22. er 5 Set DIP switch SW2 3 to the ON position This enables the Flow Computer to receive data from the Channel Master The ChannelMaster is the component in the H ADFM system which measures the depth range depth of water over the Chan nelMaster and collects velocity profile information to use in cal culating average velocity and flow rates WinHADFM provides the following functions for operating the ChannelMaster H ADCP e Wakeup e System Test Zero Pressure Check Orientation Download Data Erase Data e Set Time e Sleep e Program Selecting Program ChannelMaster from the main station window will bring up the ChannelMaster Communications dialog and automatically establish communications with the Channel Master A wakeup message and the results of each action will be displayed in the dialog A log file containing a record of each ChannelMaster communications session will automatically be created WinHADFM will automatically select and display information for the first station in the station file list when the program is started Ensure that you select the desired station file before entering configuration changes or programming the Flow Com puter and ChannelMaster WinHADFM will automatically wake up the ChannelMaster when entering the ChannelMaster Communications dialog Select this function if the automatic wakeup is not successful or if you need to wake up the ChannelMaster at any other time when using t
23. eriod due to faulty parts or workmanship will be repaired at the factory at no charge to the customer Teledyne Isco s exclusive liability is limited to repair or replacement of defective instruments Teledyne Isco is not liable for consequential damages Teledyne Isco will pay surface transportation charges both ways within the 48 contiguous United States if the instrument proves to be defective within 30 days of shipment Throughout the remainder of the warranty period the customer will pay to return the instrument to Teledyne Isco and Teledyne isco will pay surface transportation to return the repaired instrument to the customer Teledyne Isco will not pay air freight or customer s packing and crating charges This warranty does not cover loss damage or defects resulting from transportation between the customer s facility and the repair facility Teledyne Isco limited warranty The warranty for any instrument is the one in effect on date of shipment The warranty period begins on the shipping date unless Teledyne Isco agrees in writing to a different date Excluded from this warranty are normal wear expendable items such as charts ribbon lamps tubing and glassware fittings and wetted parts of valves and damage due to corrosion misuse accident or lack of proper maintenance This warranty does not cover products not sold under the Teledyne Isco trademark or for which any other warranty is specifically stated No item may be
24. etup file simply double click the Setup program and follow the installer s prompts The version currently distributed with the H ADFM is V2_0_2 1 Installing the Basic X Download Utility software To install the Basic X Download Utility software simply double click the Basic X setup program and follow the installer s prompts The version currently distributed with the H ADFM is V2_10 To create a new station file click the new station icon in the upper left corner of the Win HADFM window You will now have a configuration window divided into three tabs System Channel and Velocity Model The system tab window is divided into the following seven sections e Site e Display Units e 4 20 Output e Totalizer Communications Graphics Preferences Flow Computer Settings The Site section contains information about the installation site Multiple configurations can be saved and used later Sites can also be arranged in groups Site Name Enter the name of the specific installation site Group Enter the name of the group that this site belongs to A group name is not necessary Location Enter the physical location of the site The Display Units section contains pull down menus for flow velocity stage volume and temperature The unit types you set here determine not only the units displayed on the LCD display of the Flow Computer but also the units used to set the analog output spans the Totalizer Pulse increments
25. f the Flow Computer The Flow Computer generates an analog signal that ranges from 4mA to 20mA Therefore a signal of 4mA will rep resent the low limit of the H ADFM s analog output and a 20mA signal will represent the high limit of that output Values between these limits are determined by linear interpolation For example if you set the low limit for flow at zero GPM outputs 4mA and the high limit at 500GPM outputs 20mA then a 250GPM flow will result in an analog signal of 12mA 250 500 20 4 4 The resolution of this analog representation of the digital data is 01mA M Note Ensure adequate margins when setting the high low limits oth erwise data will be clipped This can happen because mea surements from the Flow Computer that are less than the specified low limit will result in an analog output of 4mA and values that exceed the high limit will result in a 20mA output There is no indication that the measurements have exceeded the limits resulting in ambiguous data M Note In the case of bad or missing velocity or stage data from the ChannelMaster the H ADFM Flow Computer will output a spe cific user defined signal level by default 3 9 mA for bad data or 3 6 mA when no data is received from the ChannelMaster However these output values do not apply to clipped data data that exceeds the high low limits set in the span section The Flow Computer is capable of sending out a pulse of user defined length 50 millise
26. he program is started WinHADFM will automatically select and display information for the first station in the station file list when the program is started Ensure that you select the desired station file before entering configuration changes or programming the Flow Com puter and ChannelMaster Two other software programs may at times be required e DGH Utility software is used to configure and test the analog output signal generator modules incorporated into the Flow Computer Installation of this program is strongly recommended e The Basic X download utility is used to flash updated firmware into the Flow Computer Installation of this program is optional and only required if updated firmware for the Flow Computer becomes available Before configuring the H ADFM station file you must install Win HADFM and the DGH Utility Software 2000 These pro grams will run on computers with Windows 95 and newer oper ating systems The Basic X Download Utility will also be required if updates to the firmware in the Flow Computer are required Installing WinHADFM To install Win HADFM simply double click the WinHADFM Setup program and follow the installer s prompts 4 1 H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration 4 3 Configuring the 4 2 System Settings 4 3 1 Site 4 3 2 Display Units Installing the DGH Utility Software 2000 To install the DGH Utility Software 2000 s
27. his dialog Selecting System Test will run a series of informational and diag nostic tests on the ChannelMaster hardware System Test should be run after initial installation to document initial conditions and periodically thereafter 5 5 3 Zero Pressure 5 5 4 Check Orientation H ADFM Velocity Profiler Section 5 Programming and Testing the H ADFM The ChannelMaster contains an integral pressure sensor Select this command to zero the pressure sensor to atmospheric condi tions You will be prompted to confirm this selection to avoid inadvertently setting the zero when the sensor is submerged The pressure sensor must not be submerged when this com mand is executed or it will not read depth range correctly If the pressure sensor is zero adjusted when submerged you will need to remove the ChannelMaster from the channel re zero it and reinstall it before it will again read correctly When this command is selected the ChannelMaster will display temperature pressure depth pitch and roll data The button text will also change to Stop Test as soon as this function is entered Orientation data sensor temperature pressure depth pitch and roll and supply voltage will be continuously updated until you select Stop Test Channel Master Communications xj 2420 Temp degC Press kPa Press m Pitch deg Roll deg Wakeup 0 016 242 048 13 225 System Test Zero Pressure Stop Test
28. icates the magnitude of the velocity vector for that bin The angle of a whisker with respect to vertical indicates the direction of the velocity vector for that bin These graphical display areas are used to show the current ensemble s velocity beam data for all velocity bins Available data will typically be limited to velocity vectors and amplitude The velocity vector beam graph contains traces for longitudinal 6 3 H ADFM Velocity Profiler Section 6 Reviewing Collected Data along the axis of the channel and transverse perpendicular to the axis of the channel velocities Distorted vectors will likely be present in bins located close to the channel wall s The amplitude beam graph contains traces for each velocity beam Sufficient amplitude above the background noise level is required to ensure that the velocity beam data is valid Velocity beam amplitudes will typically be distorted in bins located close to the channel wall s 6 2 6 Tabular Display The tabular display area is used to show data from the selected file in tabular format The highlighted ensemble corresponds to the position marker in the hydrograph display Beam graphs and the whisker graph are synchronized to the current ensemble Data can be copied from the tabular display and pasted into a spreadsheet for further manipulation by simply clicking and dragging within the tabular display area Standard Windows keyboard shortcuts can also be used to select the desir
29. ification you will need a PC with the DGH Utility Software 2000 installed and the appropriate serial cable Follow the steps below to verify correct calibration This procedure must be performed for each of the three output channels 1 Plug one end of the serial cable into your PC s serial port Plug the other end into the connector on the Flow Com 5 1 H ADFM Velocity Profiler Section 5 Programming and Testing the H ADFM puter s electronics board that corresponds to the output channel being verified P2 flow P3 depth or P4 velocity 2 Set the DIP switches SW2 to the following Table 5 1 DIP Switch SW2 Settings for DGH Verification Switch Setting N A On N A On Off turn off if testing flow channel On Off turn off if testing depth channel OAI AJOIN On Off turn off if testing velocity channel 3 Launch the DGH Utility Software 2000 program 4 From the Tools menu select Evaluation Screen then select D3000 D4000 Series Module 5 Set the parameters as shown in Figure 5 2 Figure 5 2 DGH Test Settings 5 2 aloj xi wu OS a Pus PA J ASCII Command Une Editor D5000 Seres Module Motus UO reer Veri idis an in de NO pu ibt 03000 D4000 Series Functional Test Screen E aloj xj Addes 1 Se al Por COMI Settings Sorg Digtal rout Status Using selected model number e 6 Q DIGON Di Dur 3251 3252 0 20mA Out
30. ime will bring up a dialog box for adjusting the time setting in the ChannelMaster The Set Time dialog allows synchronizing the ChannelMaster clock to the computer clock including a time zone offset as appro priate CT xi Channel Master will be set to computer time plus the specified timezone offset Timezone Offset o E E Cancel 5 5 8 Sleep 5 5 9 Program 5 6 Listen Realtime H ADFM Velocity Profiler Section 5 Programming and Testing the H ADFM Use this command to suspend normal operation of the Channel Master and conserve battery power The ChannelMaster will NOT record or output data when put to sleep and cannot be pro grammed to automatically exit sleep mode Selecting this command will program the ChannelMaster with the current station file configuration and deploy it cause it to start taking readings Programming the ChannelMaster will also save the current station file configuration to the list of calcu lation settings The ChannelMaster must be reprogrammed after making changes to the channel geometry and dimensions Z ADCP or Profiling parameters in the station file Teledyne Isco recom mends reprogramming the ChannelMaster after any changes to the station configuration WinHADFM will ask you if you want to monitor data collection in real time after you program the ChannelMaster This allows you to quickly observe and verify proper ChannelMaster oper ation Selecting Yes will bring up a
31. late Automatically Use forced depth In Start 2 Stop 25 om Figure 4 4 Compound Linear Regression Model 4 5 4 Forced Depth Water depth stage measurement is not always possible in some applications notably in circular pipes or other channel shapes which always flow full and or applications in which a top or bottom mounting orientation is used A constant stage is assumed in these types of applications by selecting Forced Depth and entering the desired stage in user defined units The H ADFM will calculate area and flow rate based on the stage channel geometry and measured velocity profile data 4 5 5 Profiling Accurate velocity profile measurement requires that several parameters be properly programmed within the ChannelMaster WinHADFM has been developed to streamline and simplify the selection of proper values for those parameters based on the channel geometry and the settings in this section System Frequency Proper settings for some velocity profiling parameters depend on the ChannelMaster frequency of oper ation Select from 1200 khz 600 khz or 300 khz as appropriate for your application WinHADFM will confirm this selection whenever it connects to the ChannelMaster 4 13 H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration 4 14 4 5 6 Velocity Range Sample Interval Select the desired update interval Automatically Calculate Setting
32. nstrument houses three transducers two for velocity measurement and one for water depth measurement It also houses pressure temperature and pitch and roll sensors The pitch and roll sensors are used to ensure that the instrument is installed in the correct orientation as this is crucial for proper operation The ChannelMaster measures velocity vectors at various points along its velocity beam axis along with the range to the water surface and transmits that data to the Flow Com puter The WinHADFM Teledyne Isco recommends installing the H ADFM system in the following order 1 Physical installation 2 Wiring installation 3 Station file configuration 4 Programming and testing 1 1 H ADFM Velocity Profiler Section 1 Introduction H ADFM Velocity Profiler Section 2 Physical Installation 2 1 ChannelMaster Installation 2 2 Flow Computer Installation Physical installation of the H ADFM consists of installing the ChannelMaster in the channel to be measured and installing the Flow Computer nearby For instructions on how to mount the ChannelMaster refer to the ChannelMaster Quick Start Guide and or the ChannelMaster Operation Manual provided with the ChannelMaster documen tation Proper orientation pitch roll and heading of the Channel Master is essential for reliable ChannelMaster operation Win HADFM provides a function for checking the pitch and roll of the ChannelMaster See Section 5 for m
33. or reset Teledyne Isco recommends always upgrading to the latest Flow Computer firmware version and WinHADFM software ver sions to ensure proper and reliable H ADFM system operation WinHADFM will automatically select and display information for the first station in the station file list when the program is started Ensure that you select the desired station file before entering configuration changes or programming the Flow Com puter and ChannelMaster To program the flow computer 1 Set DIP switch SW2 3 to the OFF position This disables the Flow Computer from receiving data from the Channel Master Programming the Flow Computer may fail and the Flow Computer may lock up if data is received from the ChannelMaster while programming is in progress If the Flow Computer locks up reset it by removing all power for at least 10 seconds then reapply power The Flow Com puter should return to normal operation 2 Plug the RS 232 comms cable from the computer into the P5 BS2 port on the Flow Computer 3 Select Program Flow Computer from the main Station Information dialog A dialog box will appear showing the 5 3 H ADFM Velocity Profiler Section 5 Programming and Testing the H ADFM 5 5 Programming the 5 4 ChannelMaster 5 5 1 Wakeup 5 5 2 System Test status of the programming process Ensure that program ming completes successfully 4 Remove the RS 232 comms cable from the P5 BS2 port on the Flow Comput
34. ore details The specific arrangement of components in an H ADFM flow monitoring system can vary greatly and depends to a large extent on the physical parameters of the monitoring location However the distance between the Flow Computer and the ChannelMaster is significant because the standard Channel Master I O cable is 75 feet long If the ChannelMaster and the Flow Computer are more than 75 feet apart RS 422 communi cation should be used and additional user supplied wiring will be required A minimum clearance of two inches 50mm should be provided on the top and on both sides of the Flow Computer with the minimum clearance increased to six inches 150 mm on the bottom of the enclosure to provide access for cable entry The enclosure may be installed in any orientation however read ability of the display will suffer if the enclosure is not oriented vertically The Flow Computer is packaged in a NEMA 4X enclosure with power supply and terminal strips for field wiring connections 2 1 H ADFM Velocity Profiler Section 2 Physical Installation 2 2 H ADFM Velocity Profiler Section 3 Wiring Installation 3 1 ChannelMaster I O Cable 3 2 Power Supply 3 3 Analog Data Output All field wiring connections to the ChannelMaster H ADCP are made using the supplied I O cable Field wiring to the Flow Com puter is connected to the terminal block marked TB2 Each position within TB2 is marked with its function rather
35. pair service Fax 402 465 3001 Email March 8 2011 P N 60 1002 040 Rev E IscoService teledyne com A Teledyne Technologies Company mm TELEDYNE ISCO
36. put 5 4 Programming the Flow Computer H ADFM Velocity Profiler Section 5 Programming and Testing the H ADFM 6 Click Start 7 Set the Analog Output Control slider to 4mA Clicking beside the slider will cause it to move in increments of 4 mA 8 Measure the output at the receiving device whatever the analog output channel is connected to 9 Repeat steps 7 and 8 as desired for other output values between 4 and 20 mA Repeat steps 1 8 for each additional output channel If required follow the procedure provided in Appendix A to recalibrate the DGH Module s The Flow Computer is the portion of the H ADFM system that computes average velocity and flow rate from the depth range and velocity profile information collection by the ChannelMaster The Flow Computer must be reprogrammed after all configu ration changes to the WinHADFM station file except changes to the Graphics Preferences and Calculation Settings This ensures that the Flow Computer is using the correct parameters for velocity and flow computations The firmware version in the Flow Computer must be compatible with the WinHADFM software version to ensure successful pro gramming Mismatches between the Flow Computer firmware and the WinHADFM software are annunciated either as mes sages on the Flow Computer display or as message boxes in the WinHADFM software The Flow Computer firmware version is displayed briefly on its LCD display when it is powered on
37. returned for warranty service without a return authorization number issued by Teledyne Isco This warranty is expressly in lieu of all other warranties and obligations and Teledyne Isco specifically disclaims any warranty of merchantability or fitness for a particular purpose The warrantor is Teledyne Isco Inc 4700 Superior Lincoln NE 68504 U S A This warranty applies to the USA and countries where Teledyne Isco Inc does not have an authorized dealer Customers in countries outside the USA where Teledyne Isco has an authorized dealer should contact their Teledyne Isco dealer for warranty service Before returning any instrument for repair please call fax or e mail the Teledyne Isco Service Department for instructions Many problems can often be diagnosed and corrected over the phone or by e mail without returning the instrument to the factory Instruments needing factory repair should be packed carefully and shipped to the attention of the service department Small non fragile items can be sent by insured parcel post PLEASE BE SURE TO ENCLOSE A NOTE EXPLAINING THE PROBLEM Shipping Address Teledyne Isco Inc Attention Repair Service 4700 Superior Street Lincoln NE 68504 USA Mailing Address PO Box 82531 Teledyne Isco Inc Lincoln NE 68501 USA 800 775 2965 lab instruments 866 298 6174 samplers amp flow meters Sales amp General Information 800 228 4373 USA amp Canada Phone Re
38. s Select this checkbox to allow WinHADFM to automatically calculate velocity profiling parameter settings Optimization strategy The H ADFM flow computer can process data using a maximum of 30 velocity profile bins Velocity profile data will have the greatest precision when a small number of larger bins are used Velocity profile data will have the greatest resolution and the smallest dead zones adjacent to the ChannelMaster and the far side of the channel when a large number of smaller bins are used A balance between better precision and better resolution is obtained by using a moderate number of medium sized bins Select from Optimize velocity precision 10 bins Optimize horizontal resolution 30 bins Balance precision resolution 20 bins Edit Commands Clicking this button will bring up a new dialog box listing the commands that will be sent to the Channel Master when it is programmed Teledyne Isco normally recom mends using the default values generated by WinHADFM Please contact Teledyne Isco if you wish to override the default command settings and require assistance or additional infor mation WinHADFM will automatically select a range of velocity profile bins to use in calculating the index velocity V based on the channel geometry and the profiling settings The bin number range selected by the program is shown when the Calculate Automatically checkbox is selected Channel configuration hydraulic condition
39. s and or calibration measurement results may dictate using a different range of velocity profile bins to cal culate the index velocity Manually select the desired index velocity bin range by deselecting the Calculate Automatically checkbox and entering the desired first and last bin numbers in the appropriate fields The index velocity is the average velocity for all bins in the index velocity range H ADFM Velocity Profiler Section 5 Programming and Testing the H ADFM 5 1 Overview 5 2 Connecting the H ADFM Flow Computer to a PC After installing the H ADFM and configuring a station file you must program and test the H ADFM This is done using Win HADFM and the DGH Utility 2000 software Programming and testing should be performed in the following order 1 Verify the DGH Module calibration 2 Program the H ADFM Flow Computer 3 Program the ChannelMaster WinHADFM and the DGH Utility software communicate with the ChannelMaster and Flow Computer through the PC s serial port using a standard RS 232 serial cable 9 pin M F straight through not null modem or crossover Connect the cable to the appropriate port P1 P5 on the Flow Computer as shown in the photo below Figure 5 1 Connecting the H ADFM to a PC 5 3 Verifying the DGH Module Calibration The DGH Signal Generator Modules are configured at the factory but it is a good idea to verify that the calibration is correct for each installation To perform the ver
40. se modules act as 4 wire transmitters i e the DGH module pro vides power to the analog loop Each analog output is electrically isolated from the remainder of the Flow Computer circuitry Analog output channels are designated as Flow QA QA Depth DA DA and Velocity VA VA Connect each analog output channel to the appropriate external loads devices con sistent with standard current loop wiring practices for 4 wire transmitters and ensure that the total load for each loop does not exceed 600 ohms 3 1 H ADFM Velocity Profiler Section 3 Wiring Installation in BT AE Figure 3 1 Analog Output Terminal Block 3 4 Totalizer Pulse Output 3 5 Communications 3 5 1 RS 232 3 5 2 RS 422 Figure 3 2 3 2 RS 422 Configuration The H ADFM Flow Computer computes incremental volume and outputs digital pulses based on a user specified volume increment The totalized volume is also displayed on the LCD screen and is reset with each power cycle or when the unit receives new settings The pulse outputs can be connected to an external device to keep track of totalized output over multiple power cycles Pulse outputs are available as either 5VDC pulses P5 P5 or as dry contact closures NO COMM The 5VDC pulse if used can source a maximum current of 15mA Dry contact closures are provided by a solid state relay rated at 3 60VDC 0 02 1 0 amps H ADFM Flow Computers configured for RS 232 communication
41. splay window Reference Datum The reference datum is a user specified line located at or below the channel bottom The reference datum is always Z zero for the coordi nate system used to define the channel cross section regardless of where it is at in relation to the channel Diameter Diameter is the diameter of the circular channel set in the units speci fied in the System tab Y ADCP The distance between the ChannelMaster and the wall of the Channel This is used by the ChannelMaster to calculate bin positions across the channel at instrument height Mounting Orientation Determines the orientation of the ChannelMaster with respect to the flow direction into the screen If the orientation is not specified cor rectly negative velocity values will be recorded 4 4 4 Trapezoidal Channels Use the Trapezoidal scheme for channels with sloping sides Values must be entered for the Height Bottom Width and sidewall slope The sidewall slope rise run is unit less and cannot be set to zero Z Bottom specifies the height of the channel bottom above the reference datum Therefore if the ref erence datum is located at the channel bottom the Z Bottom value will be zero The Height and Width Bottom fields are not measured in simi lar ways The Height dimension is the distance between the top of the channel and the reference datum The Width Bottom dimension is the actual width of the channel bottom The subtle difference her
42. stance across at instrument height Height is the distance from the top of the channel to the reference datum This is an absolute coordinate because it is referenced to the local coordinate system Therefore if your reference datum is 5 feet below the channel bottom i e Z Bottom 5 and the channel is 10 feet deep the Height would be 15 feet See Figure for further clarifica tion Mounting Orientation Determines the orientation of the ChannelMaster with respect to the flow direction into the screen If the orientation is not specified cor rectly negative velocity values will be recorded Slope is the inclination of the channel walls It is specified as a ratio rise over run and cannot be set to zero This value is dimensionless 4 4 5 Multi Point Channels This option allows you to specify a channel shape as a series of Y Z coordinates Y refers to the horizontal dimension and Z refers to the vertical dimension relative to the reference datum When entering the coordinates the following rules must be followed Each Y value must be greater than the Y value that precedes it so that the points are arranged in order left to right The first Y value should be zero the left bank of the channel should be used as the Y axis reference point e Side channels are not allowed see below The channel must slope downwards to a minimum Z value and then slope back upwards It is acceptable but not required to
43. t fields for the channel type and the specific dimensional inputs required for each type Five types of channel dimensioning schemes can be used e Rectangular channels e Circular channels e Trapezoidal channels e Multi Point channels e Polynomial H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration N gt Stage H Reference Datum Figure 4 1 Channel Dimensions 4 6 4 4 1 Mounting Orientation 4 4 2 Rectangular Channels 4 Y_ADCP Width Bottom I The mounting orientation specifies which side of the channel the instrument is mounted on with respect to the flow direction The screen view of flow faces downstream WinHADFM software and the H ADFM follow the USGS convention of looking downstream to determine which side of the channel is the left bank and which is the right bank Top and Bottom mounting orientations assume that the ChannelMaster is installed with beam 1 facing upstream into the flow The Rectangular Channel scheme allows you to define a simple rectangular channel by entering values for the bottom width and the height Entries are required for mounting orientation Y ADCP Z ADCP and Z Bottom Y ADCP is the distance between the ChannelMaster and the wall of the channel Z ADCP is the height of the ChannelMaster depth beam ceramic above the reference datum Z Bottom is the height of the channel bottom above the reference datum Therefore if the chann
44. ter the write enable command by typing 1WE This allows data to be written to the DGH Module 9 Next tell the unit what the measured output was by enter ing the 1TMX 000XX XX command where 000XX XX is the actual measured output value 10 Measure the new output value If the new value is not 20mA repeat steps 3 and 4 until the measured output is 20mA 11 Recheck the zero scale value M Note Remember to return the DIP switch settings to their normal positions prior to operation Failure to do so will result in improper operation A 2 H ADFM Velocity Profiler Index Numerics 4 20 mA output 3 1 4 3 A 1 A analog output 3 1 4 3 A 1 B big step 4 4 c channel dimensions 4 5 circular 4 7 multi point 4 9 polynomial 4 10 rectangular 4 6 trapezoidal 4 8 ChannelMaster check orientation 5 5 download data 5 5 erase data 5 6 programming 5 4 5 7 set time 5 6 sleep mode 5 7 System test 5 4 wakeup 5 4 zero pressure 5 5 clock 5 6 communication 4 4 RS 232 3 2 RS 422 3 2 configuration analog output 4 3 big step 4 4 calculation 4 5 channel dimensions 4 5 communication 4 4 display units 4 2 displayed data 6 1 flow computer 4 4 forced depth 4 13 graphics 4 4 profiling 4 13 settings 4 2 site 4 2 smoothing 4 4 totalizer 4 3 velocity model 4 10 velocity range 4 14 Zero screen 4 4 constant depth 4 13 current loop calibration A 1 D data display
45. than a terminal number for ease of connection in the field The ChannelMaster I O cable provides both power and communi cations connections to the ChannelMaster through a single underwater style rubberized connector Power supply and com munications functions are broken out at the other end of the cable into separate cables using molded Y junctions The power supply cable terminates in individual DC and DC wires with alligator clamps for quick connection to a 12V battery The com munications cable is terminated in a standard 9 pin Female D sub connector The same I O cable is used for both RS 232 and RS 422 communications The H ADFM ChannelMaster and Flow Computer requires 10 to 18 VDC unregulated for full operation Typical power con sumption will be approximately 4 5 watts 370 mA at 12VDC Connect the ChannelMaster DC power supply leads to the DC power supply or batteries Teledyne Isco suggests cutting off the alligator clamps and hard wiring the I O cable power supply leads to the DC power source for better reliability in permanent or semi permanent applications Also connect DC power to the DC power supply terminals or to the J6 connector marked DC and DC on the Flow Computer The H ADFM Flow Computer can be equipped with up to three independent analog channels each capable of driving up to a 600 ohm load Analog outputs on these channels are generated using DGH Corporation Model 3251 current output modules The
46. ulate the distance across the channel at the instrument mounting height Height is the distance from the top of the channel to the reference datum This is an absolute value because it is referenced to the local coordinate system Therefore if your reference datum is 5 feet below the channel bottom i e Z Bottom 5 and the channel is 10 feet deep the Height would be 15 feet See Figure 4 1 for further clarification Determines the orientation of the ChannelMaster with respect to the flow direction into the screen If the orientation is not specified cor rectly velocity values will be reversed The circular channel scheme allows you to define a simple cir cular channel by entering values for the diameter and Z ADCP M Note Care must be taken when installing the ChannelMaster in a cir cular channel to ensure that the ultrasonic depth sensor up looking beam can properly measure water depth Depending on the installation the curved wall above the Chan nelMaster may interfere with this measurement Table 4 3 describes the fields used to define a circular channel 4 7 H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration Table 4 3 Circular Channel Fields Z ADCP Z ADCP is the height in units selected for stage in the System tab of the H ADFM above the reference datum This value is determined when the H ADFM is installed and configured Z ADCP is marked by a blue line in the di
47. use zero as the minimum Z value The final Z value should equal the first Z value 4 9 H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration 4 4 6 Polynomial Channel Cross sectional area of a channel can be defined as a function of water depth by a polynomial equation as follows Area A1 A2 H A3 H where H Water depth relative to the reference datum Z 0 A1 A2 A3 polynomial coefficients Please consult Teledyne Isco if you wish to use the Polynomial Channel and require assistance in developing a polynomial channel model 4 5 Configuring the Channel configurations and velocity profile distributions in Velocity Model channels where the H ADFM will typically be used will be much more variable than channels where a standard vertically ori ented ADFM would be used The H ADFM uses an Index Velocity and a Velocity Model to calculate flow rates from channel geometry stage and velocity profile information Accuracy of an H ADFM system can only be assured if suitable calibration mea surements are taken and used to develop a site specific velocity model Calibration measurements and the velocity model should span the entire range of stage and velocity conditions experi enced at the site for greatest flow measurement reliability The ChannelMaster Index Velocity V is a straight not weighted average of the individual velocities for each bin in the specified index range WinHADFM
48. ut On for normal operation Enables microprocessor DGH module communication Isolates DGH module from microproces sor On for normal operation Enables microprocessor DGH module communication Enables microprocessor DGH module communication Isolates DGH module from microproces sor On for normal operation Isolates DGH module from microproces sor On for normal operation A 1 H ADFM Velocity Profiler Appendix A Current Loop Calibration Perform the following calibration sequences for each output channel P2 P3 and P4 1 Enter the 1A0 00004 00 command in the command line and click Transmit If successfully sent the unit will respond with an asterisk 2 Measure the current output using a calibrated ammeter or the receiving device 3 If the output is not 4mA enter the write enable command by typing 1WE This allows data to be written to the DGH Module 4 Next tell the unit what the measured output was by enter ing the 1TMN 0000X XX command where 0000X XX is the actual measured output value 5 Measure the new output value If the new value is not 4 0mA repeat steps 3 and 4 until the measured output is 4 0mA 6 Enter the 1A0 00020 00 command in the command line and click Transmit If successfully sent the unit will respond with an asterisk 7 Measure the current output using a calibrated ammeter or the receiving device 8 Ifthe output is not 20mA en
49. utput will always be forced to zero Calculated flow rates are not stored in H ADFM download data files Flow data displayed in the WinHADFM software is re cal culated each time it is displayed This dialog box displays the geometry and velocity model settings in effect at various times New entries in this table are created automatically each time the Flow Computer is programmed Entries can be created modified or removed as desired by the user to evaluate the effects of changes to the geometry and velocity models on flow calculation Changes to these settings will normally be made only by experi enced users Calculation setting entries store the channel geometry settings in effect at the time the entry was created Channel geometry settings cannot be edited once created If you wish to change the channel geometry settings in use for a given time period you must configure the station file for the desired geometry settings create the calculation settings entry then if neces sary return the geometry settings to their correct values M Note Calculation settings are currently not sorted by date time The user must ensure that all calculation setting entries are arranged in proper date time sequence Use the Channel tab to specify the channel cross section dimen sions used in the flow calculations The Channel tab consists of a display window that shows a graphic representation of the channel cross section you define as well as inpu
50. will include a short RS 232 cable extending from the J1 terminal inside the Flow Computer enclosure This cable terminates in a 9 pin male D sub connector The ChannelMaster communica tions cable connects directly to this connector H ADFM Flow Computers configured for RS 422 communication will include an RS 232 to RS 422 converter inside the Flow Com puter enclosure as shown in Figure 3 2 H ADFM Velocity Profiler Section 3 Wiring Installation A short cable will extend from the RS 422 side of the converter to the exterior of the Flow Computer enclosure This cable will ter minate in a 9 pin male D sub connector The ChannelMaster communications cable connects directly to this connector 3 3 H ADFM Velocity Profiler Section 3 Wiring Installation 3 4 H ADFM Velocity Profiler Section 4 Software Installation and Station File Configuration 4 1 Introduction 4 2 Installing the Software WinHADFM is the primary program used to configure and operate an H ADFM system System configuration information is saved in a station file hstn Station files may optionally be grouped as desired The station file is also used to display col lected data Station files and associated data files are stored in the following directory path C WinHADFM SITES lt groupname gt lt stationname gt WinHADFM will automatically scan this path for valid station files and display a list of stations sorted by group each time t
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