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1. S and with the ISO60041 IEC41 calculation basis if Dynamic Spline Correction the pipe is completely filled Burnout o The different calculation models are described in the chapter 3 Tables with default values for the KB KS constants for different channel materials which are queried in this menu window are also to be found there Normally no changes are required If you are not sure about proper values please use default values Influence on measurement is very little The Burnout option is intended for applications where there may be temporary interruptions to measuring Such interruptions can for example be caused by strongly interfered signals obstructions passing through the measuring path or other brief disruptions To prevent such temporary brief disruptions from causing alarms the last upcoming measuring values are held for the duration of the stop period value in seconds systec Controls Mess und Regeltechnik GmbH 53 deltawave Technical Reference and User s Manual 6 9 Medium Configuration Media definition Media type Water In the Medium Definition menu area settings for Haka ae Val me maso the medium can be made namely the definition of the media sonic velocity and the viscosity Media viscosity in mm s 1 The following table shows typical values for a nn series of media a Velocity of sound subject to change of temperature in water 0 to 100 C 1402 74 1407 71 2 1499 64
2. 2 dev J etc 8 lib A lost found l A mnt E proc A sbin E3 ry tmp e usr A var Picture 22 Directories at the ftp server sbin tmp usr var bash_history nxcal dat HAMAMA Wi EH 76 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual CP ftp 1 192 168 1 99 etc SAX a Datei Bearbeiten Ansicht Favoriten Extras C Q zurik amp E g Suchen a Ordner ROL Adresse amp ftp 7192 168 1 99 etc M Wechseln zu Ordner x Name 4 Gr e Typ Ge ndert am Desktop hpemcia Dateiordner 11 05 2005 00 00 amp G Eigene Dateien i Fstab 385 Byte Datei 15 05 2005 00 00 lt W Arbeitsplatz S group 119Byte Datei 07 10 2008 00 00 Se Festplatte C S gshadow 115 Byte Datei 07 10 2008 00 00 L 3 NEU D S hosts 29 Byte Datei 11 05 2005 00 00 Sebastianr auf Sbs2k3lUsers L E inetd conf 2 52 KB CONF Datei 11 05 2005 00 00 5 officeControls auf Sbs2k3 O gt nn ts pp peste en QM Controls auf Sbs2k3 Q GE mta yte Datei 05 Er S Me auf Sbs2k3 x E nsswitch conf 236 Byte CONF Datei 11 05 2005 00 00 Qe Systemsteuerung E passwd 381 Byte Datei 07 10 2008 00 00 A Mobiles Ger t S profile 267 Byte Datei 07 10 2008 00 00 al Netzwerkumgebung E protocols 595 Byte Datei 11 05 2005 00 00 2 Papierkorb S resolv conf 44 Byte CONF Datei 11 05 2005 00 00 c Internet Explorer ke securetty 279 Byte Datei 11 05 2005 00 00 G E
3. changed 6 7 Digital Output Configuration Allocate one or more digital outputs to the desired section by clicking the buttons Analog Output Digital Output Show Digital Output Parameter Please note that digital outputs 1 and 2 are transistor outputs digital outputs 3 and 4 are the relays Relays and transistor outputs are treated identically for parametrisation You can parametrise the digital outputs in the Display Digital Output Parameters submenu Select which function the digital output should PS fulfil from the Digital Output Type drop down menu A large number of min max limit values are available The transmission of metering Digital Output 1 Unit Digital Output 1 pulses in the diagram to the right one pulse Ea a i Counter Impulse in m3 represents e g a flow quantity of 4m is just Speer ern a O O OO O as possible as the switching of alarms in case Max Sneh Valua Lin solected Type of a system error section alarm Counter ValueforType2 4 Invert Output T Min Frequency 1 Max Frequency 125 changed 50 systec Controls Mess und Regeltechnik Gm deltawave Technical Reference and User s Manual Limit values are defined in the min max field a count value in the count value window By checking the Inverted Output checkbox you can invert the switching function This permits e g an alarm in case of power failure because relays outputs 3 and 4 then decrease in case of power failure Yo
4. It is possible to download data logger data files via FTP These are located in the ftp your IP address mnt ide trenddaten directory There are subdirectories with measuring values broken down into seconds strend directory and minutes dtrend directory The recording period is indicated by the filenames Data logger data can be evaluated with MS Excel or systec evaluation software 32 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 5 4 Using the USB interface The USB interface serves to parametrise and retrieve data logger data by means of a USB memory stick Updates can also be performed with authorised memory sticks supplied by systec See also the chapter 2 5 6 Not all memory sticks are compatible with deltawave Compatible memory sticks themselves or a list of compatible sticks are available from systec systec Controls Mess und Regeltechnik GmbH 33 deltawave Technical Reference and User s Manual 6 User defined setings deltawave parametrisation is performed comfortably with the DeltawaveParam software This is supplied with deltawave and runs with all current Windows versions from WIN98 DeltawaveParam permits the creation loading and storing of parameter files When a record has been created it can be stored on a memory stick as parameter par and uploaded by deltawave see also chapter 4 11 1 or transferred to deltawave via the LAN interface with FTP see also chapter 9 4 3
5. Time Flow Accumulated Flow counter Level Velocity Temperature Hydraulic Area optional Alert Status of Section Which data is being transferred can be set in the parameter file communication par see chapter 9 6 5 ff The activated data to be transferred is valid for every activated site In addition to that you can choose start and end signs 9 6 3 Definition of RS232 Fixed Setting These settings of the RS232 are fix and cannot be changed Baud rate 115200 baud s Data 8 bit Parity None Stop 1 bit Flow Control None 9 6 4 ASCII Output String systec Controls Mess und Regeltechnik GmbH 79 deltawave Technical Reference and User s Manual 9 6 5 The Parameter File for Setting up the RS232 communication par All data are transferred as an ASCII string Maximum length of ASCII string is 254 characters You can transfer up to eight different ASCII strings for up to eight sites The settings are done in the RS232 parameterization file communication par 9 6 5 1 communication par Structure 1 The file communication par is the parameterization file for the RS232 interface Here you can choose which data will be transferred in which format e g decimal points In addition to that you can define start and stop signs separator and a name for your site s The data you design is valid for every activated section site That means that you can not choose transferred data for each site separately
6. You will find a default file communication par which can be downloaded by using a USB drive 4 11 3 or by using ftp connection see chapter 9 4 3 This default file can then be adjusted which means that you do not have to create a complete new file 9 6 5 2 communication par Structure 2 The file can be edited with a standard text editor e g Text Pad You do not need any special software Following you can see the structure of the file with all variables and their purpose GENERAL wai te Range default Explanation O Z O Z O O O O INTERVAL 10 bis 86400 bertragungs Speicherinterval in Sekunden Werte lt 10 oder gt 86400 30 Sekunden SERIAL_OUT 01 50 1 RS232 activated O RS232 not activated LOGFILE 0 1 Mi o ET is also stored in an internal data logger file OL TH ee 3 1 First day of the week is Monday Europe 2 First day of the week is Sunday USA MAX_NROFWEEKS_LOG a bis 999 1 999 Number of data files one file per week which are stored after that the oldes file will be deleted O no limit when memory full oldes will be deleted SECTION X Header Section means site Variable Wertebereich_ default Description gt Z gt Z o O we ott of seton no wi pot te rantred va R9232 0 Data of section no x will not be transfered via RS232 SHOW 1 Name of site NAME will be included into the String 0 Name of site NAME will be included in the String NAME String 20 Name of your section
7. SHOW 1 NAME Test6 SECTION_ ACTIVE 0 SHOW 1 NAME Test SECTION_8 ACTIVE 0 SHOW 1 NAME Test8 L5 errr R E E E E R R R a KA A A O O L LO KO LO OO OO OO OO O0 OO OO OO OO OO ee FRAME SHOW _START 1 START TMT SHOW_END 1 END END SEPARATOR DATE SHOW 1 FORNAT n d TIME SHOW 1 FORMAT H M S FLOW SHOW 1 FORMAT 7 3 00 09 CO OOO 09 9 d d d IRA A AA AA A A A A FORMAT 10 Of LEVEL SHOW 1 FORHAT 5 3 VELOCITY SHOW 1 FORMAT 4 2 TEMPERATURE SHOW 0 FORMAT 3 1 UPTIME SHOW 0 FORMAT 10d AREA SHOW 0 FORMAT 3 1 LEVEL_ABOVE_SEA SHOW 0 FORMAT 3 1 SPEED_USE SHOW 0 FORMAT 1d SPEED SHOW 0 FORMAT 3 1 ALARM SHOW 0 FORMAT 1d STATUS SHOW 0 FORMAT 1d Picture 26 Example of parameter file communication par opened in Text Pad systec Controls Mess und Regeltechnik GmbH 83 deltawave Technical Reference and User s Manual The corresponding output string would look like TMT Section1 2009 07 30 07 50 35 0 235 0004291 1 427 2 89 END 9 6 6 Uploading Parameter File communication par to deltawave Uploading a communication par file follows the same principle as uploading a parameter par file for site set up Please see also chapters 4 11 1 The communication par file does not have to be activated separately It is active after transferring it to deltawave different to parameter par file
8. ext GND deltawave Passive 2 In this example the pulse output is switched passively Use this switching if you need more power than is available in the Passive 1 proposal For this switching you need an external power source Connect a PNP transistor with the emitter to the positive pole of the external power source the base via a base compensating resistor to the positive pole of the pulse output Connect the transistor collector to the positive pole of your evaluation unit Connect the negative pole of the evaluation unit to the negative pole of the pulse output and the external power source The transistor in deltawave is a photo relay a component similar to an optical coupler This has the advantage that your evaluation unit is galvanically separated from the deltawave Please note that the maximum current for the photo relay is limited to 100 mA In this case you have a positive pulse i e no current flows in idle mode If the pulse is emitted by deltawave current flows systec Controls Mess und Regeltechnik GmbH Technical Reference and User s Manual NK ak 24y 7 PNP OHE Trans stor La A L V Ihre Auswerteeinheit my ext GND 65 deltawave Technical Reference and User s Manual 9 2 Weighting of the paths with filled cross sections in accordance with ISO60041 IEC41 Paths are numbered from the channel bottom upwards in both tables Number of paths Path number Path weighting 1 570796 S
9. see chapter 6 4 We recommend changing this value only after consultation with our trained service personnel The path length is the precise distance between both sensor surfaces The path angle is the angle of the path to the pipe or channel axis flow direction If the cables are connected the wrong way round UP and DOWN interchanged the flow rate calculation can be inverted by activating the path inverted checkbox If the converters are sufficiently covered with fluid and it has been ascertained that the flow rate is exactly Om s the determined offset can be corrected in the Zero mark offset input window Please note that these offsets are normally very small and in practice mostly lead to a flow rate offset significantly below 1cm s Correction therefore only makes sense if the channel or pipe is absolutely still and has been standing long enough 6 4 1 The expert menu Further path specific settings can be made here Several of the parameters shown here have a large influence on system stability All expert settings are initialised with sensible default values We recommend changing the parameters in the expert menu only after consultation with our trained service personnel 44 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Pfad definieren Experteneinstellungen Auto Window Sensor Delay 14 usek Signal Sequence 1753000 Frequency Egg000 Hz ADC 20MHz Freque
10. 192 168 1 99 S services 7 49 KB Datei 11 05 2005 00 00 S stc S shadow 251 Byte Datei 07 10 2008 00 00 F Bluetooth Umgebung S shadow 239 Byte Datei 07 10 2005 00 00 anleitung El syslog conf 19 Byte CONF Datei 11 05 2005 00 00 7 badger C badger2 5 ClampONwandlertest contract Yuden gt deltawave Ok gt lincoln 9 Meeting with trinitytouch C Mp O Neuer Ordner OD temp Ob Vertriebsstruktur DO wwa HannoverschM nden Benutzer root K Internet Picture 23 Content of directory etc 9 5 3 Adjust the File Inittab The file can be edited by using a text editor deltawave has a Linux operating system Because of partially different control characters compared to Windows you can not use every Windows Texteditor One proper editor is TextPad download http www textpad com download systec Controls Mess und Regeltechnik GmbH 11 deltawave Technical Reference and User s Manual cy 8 EEE OY Ae Sah e R xix 3 sysinit sbin modprobe usb storage 3 sysinit bin mount n a ae 3 sysinit sbin mkpairs IP Adress Ela 3 sysinit sbin ifconfig lo 127 0 0 1 3 3 sysinit sbin ifconfig eth0 192 168 1 99 console 3 sysinit sbin route add default gw 192 168 1 1 console 3 sysinit sbin irattach dev tts 1 s console 3 sysinit bin hostname XU226101 console 3 once sbin inetd R 1000 Default Gatewax console 3 once sbin syslogd console
11. 2 6 1 General information on software use 6 1 1 Creating a new parameter file You can start to create a new parameter file immediately after starting the program see chapter 6 2ff 6 1 2 Loading a new parameter file To edit an existing parameter file select File from the menu and the Open parameter file option Your parameter file can now be edited see chapter 6 2ff 6 1 3 Language selection The DeltawaveParam menu is available in German and English To switch between the two languages select Options from the menu Select the desired language under Language 34 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 6 2 System configuration The following settings must be selected under system configuration 6 2 1 Definition of existing hardware Systec DeltaWave Parameter NewFile par deltawave RIJ LAR use B m Slot 1 Slot 2 Slot 3 Slot 4 PATH AVAIL AVAIL PATH PATH AVAIL Path or Input Positions 1 4 Analog Output Positions T Digital Output Positions Multimeter ID NEWUNIT Show Section Config End Application changed 1 0 6 of Sections AVAIL PATH 13 m RS E i Select which hardware is in use in your deltawave from the four listboxes Please indicate what is fitted in the four expansion slots PATH means you have an ultrasound board in this expansion slot I O means you hav
12. 2 Manning Strickler equation Outflow calculation according to the Manning Strickler equation uses the level measurement to calculate the outflow Manning Strickler is used if no path measurement works below a defined level Vm nman thy Sman equation 1 vm mean flow rate m s nman Rate coefficient according to Strickler m1 3 s i Hydraulic radius m is calculated by deltawave Sman energy drop slope The following figures must be parametrised e Surface roughness coefficient nman The surface roughness coefficient depends on the composition of the channel The following table gives an overview for typical surfaces systec Controls Mess und Regeltechnik GmbH 11 deltawave Technical Reference and User s Manual Channel types Earth Earth channels in firm material smooth Earth channels in firm sand with some clay or gravel Earth channels with a floor of sand and gravel with rendered embankments Earth channels made of fine 10 20 30 mm gravel Earth channels made of medium size 20 40 60 mm gravel Earth channels made of rough 50 100 150 mm gravel Earth channels made of large lumps of clay Earth channels made with rough stones Earth channels made of sand clay or gravel heavily overgrown Rock Medium rough rock excavation Rock excavated with careful blasting Very rough rock excavation large irregularities Masonry Channels made of brickwork bricks also clinker bricks well jointed Rubble maso
13. 20 959368 2007 11 23 12 01 00 8219 22 5B6L15 2002 11 23 12 02 00 0494 30 803930 2007 11 23 12 03 00 0500 36 196316 2007 11 23 12 04 00 0500 32 097181 2007 11 23 12 05 00 0500 39 770879 2007 11 23 12 06 00 0500 11 108315 2007 11 23 12 07 00 0500 24 874179 2007 11 23 12 08 00 A495 29 141532 2007 11 23 12 09 00 0414 9 164063 2007 41 223 12 10 00 90927 23 919232 2007 TL 229 12711700 9757 38 669801 nn 11 99 19 19 nN nang 2A ACAPNA 109423 186206378 150513 2 00000 L 548998 186207411 213165 33 50000 618897 186209369 223068 93 50000 628639 186211343 488264 153 50000 L 623990 186213323 695297 213 50000 622645 186215296 536348 273 50000 610622 186217232 664281 333 50000 611481 186219157 125061 393 50000 614957 186221101 808840 453 50000 619961 186223054 530099 513 50000 488464 186224951 957958 148 16949 544716 186226679 243836 75 50000 547693 186228408 218834 135 50000 545361 186230132 233339 195 50000 547891 186231865 051406 255 50000 473432 186233566 066418 215 54237 595881 186235421 078112 48 50000 498622 186237286 494043 45 28814 591126 186239149 988954 67 50000 622010 186241093 017913 127 50000 516401 186243065 496318 50 32203 632226 186244960 916096 78 50000 529315 186246965 852256 123 51724 495397 186248585 244540 32 50000 578819 186250415 377294 92 50000 594674 186252266 350778 152 50000 621298 186254202 066673 212 50000 49
14. I I Subnetzmaske IP Adresse Picture 25 Adding subnet mask 9 5 4 Transferring File Inittab back to deltawave After editing the file inittab please copy it back to deltawave into the directory etc After successful transfer you have to reboot your deltawave 78 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 9 5 5 Troubleshooting At some Windows PC s you have to adjust your Windows network settings in order to connect you via ftp IF using Internet Explorer please make sure that option use passive ftp is activated Internet options In addition to that it might be that you have to adjust your Ethernet settings Please ask your system administrator for further informations 9 6 The RS232 Interface 9 6 1 General deltawave comes with a RS232 interface which allows you to transfer measurement data by an ASCII string The parameterization of the RS232 interface is done by an additional parameter file named communication par which can be uploaded to deltawave by using ftp server or an USB drive The data which are transferred via RS232 is if this option is activated additionally continuously stored in deltawave s internal data logger as csv files This is additionally to the default storage of measurement data see chapter 9 8 9 6 2 Data which can be transferred via RS232 The following data can be transferred via RS232 You can transfer the following data Date
15. Insert the new board into the expansion slot and secure the board in the housing base with the retaining screw provided Replace the rack in the housing and fix the housing base with the four screws Connect the power cable switch on the deltawave and check whether the loading process up to 2min is running without error messages Afterwards you can switch off deltawave again and install in the field Please follow the following pictures for removal installation of electronic boards c elta wa ve Please open SS zas N enclosu re and remove all plug USB d terminals from the board which you want to remove install delt Picture 2 Removal of plug terminals systec Controls Mess und Regeltechnik GmbH 25 deltawave Technical Reference and User s Manual Please then open the screws of the rack and grounding connector Picture 3 Loosening screws Please then revome rack and put it upside down on your working place Please then remove the transit supports see also next picture Picture 4 Removal of Rack 26 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Please pay special attention to the sensitive ribbon cable between display module and MUS board Please do not damage this cable Picture 5 Please note ribbon cable Picture 6 Removal of supports 1 Picture 7 Removal of supports 2 Remove old board plug in new board in that e
16. J4 2 If there are transverse flow components then L e a c e t cosy YT sin p where v is the transverse component of the fl i i A orr ow velocity having a component v sin parallel to the acoustic path averaged over the Y isaf irecti is a actor cqual to 1 or depending upon the direction of the transverse component of the flow parallel to the acoustic path The average axial velocity crossing a path may be taken as 2cosp t t ay two acoustic planes are used as shown in Figure J2 symmetrically disposed relative to the conduit nirclinc and their velocities averaged then the error due to the measurement of transit times caused transverse flow component is climinated as the terms Y7 tan cancel S If certain mathematical conditions such inui i Ba mae as continuity and differentiability are met by th i distribution the discharge Q can be obtained from the general equation Suse Dp Q gt gt p WT L sin p i l with L singe D stn a for circular sections and Lyi sing B for rectangular sections where Pa is ihe distance from conduit wall to conduit wall along the acoustic path i is ama of the conduit parallel to the intersection of the two acoustic planes as shown in Figure J2 ad is the dimension of the conduit perpendicular to D in the case of rectangular sections T arc weighting coefficients depending on the number of paths and the integration technique uscd ai 8 the a
17. TMT 06 09 2009 00 02 04 65 523 98969516 3 474 1 66 END 15 TMT 06 09 2009 00 02 13 65 377 98970400 3 477 1 66 END 16 TMT 06 09 2009 00 02 23 65 312 98971056 3 474 1 66 END 17 TMT 06 09 2009 00 02 34 65 312 98971776 3 474 1 55 END 18 TMT 06 09 2009 00 02 45 65 321 98972360 3 474 1 68 END 19 TMT 06 09 2009 00 02 53 65 322 98973016 3 474 1 66 END 20 TMT 06 09 2009 00 03 03 65 356 98973756 3 476 1 66 END 21 TMT 06 09 2009 00 03 14 65 323 98974392 3 474 1 68 END 22 TMT 06 09 2009 00 03 23 65 333 98974976 3 474 1 68 END 23 TMT 06 09 2009 00 03 33 65 32 96975696 3 474 1 66 END 24 TMT 06 09 2009 00 03 44 65 279 98976352 3 472 1 55 END 25 TMT 06 09 2009 00 03 53 65 4 98976936 3 477 1 58 END 26 TMT 06 09 2009 00 04 03 65 401 98977592 3 477 1 55 END 27 TMT 06 09 2009 00 04 13 65 413 98976312 3 475 1 55 END 28 TMT 06 09 2009 00 04 24 65 412 90979969 3 475 1 66 END 4 gt MN Beispiel 2009 week36_secl ee je u Picture 33 Example additional data logger files 90 systec Controls Mess und Regeltechnik GmbH
18. adjusted to a favourable level The level limits can be manually edited see chapter 6 4 1 9f 6 4 1 9 Signal Min The lower control limit for the amplitude control is set here The minimum value is 0 The set default value is 1600 It is an internal value without unit 46 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 6 4 1 10 _Signal Max The upper limit level for the amplitude control is set here The maximum value is 2000 the set default value is 1800 It is an internal value without unit 7 Signal Max 2000 il _ Signal Max 1800 MRS RN RSS I 180 Phase shift 135 140 145 150 155 160 165 170 175 Picture 14 Sending Signal Example Sending Sequence 743000 In Picture 14 you see an example of a sending signal You can see the 180 shift in signal phase Signal Max 2000 Signal Min 1800 which means that signal Gain will be automatically adjusted in that way that signal keeps within that range 6 4 1 11 Manual Gain The signal gain is set here Values from 1 255 are possible If AGC is activated see chapter 6 4 1 8 the gain is automatically adapted to the measuring conditions When AGC is deactivated the gain to be set depends on the path length and medium Values between 130 and 190 have proven themselves 6 4 1 12 Maximum Gain This limits the maximum gain which can be reached in case of activated AGC see 6 4 1 8 Too high signal amplification gain can c
19. deltawave parametrisation via Intranet or Internet is possible in this way A PC can also be directly connected to deltawave via a special LAN cable The IP address of the deltawave measurement transducer is to be found on the type plate on the inside of the housing Please see chapter 9 4 for further informations and network configurations 4 11 Use of USB memory sticks deltawave has a USB interface to permit use of USB memory sticks Please ensure that exclusively deltawave compatible memory sticks are used Compatible sticks or a list of compatible brands is available from systec Controls USB memory sticks can be used for various tasks 4 11 1 Transferring a new parameter file The most comfortable way to create the deltawave parametrisation is on a Windows PC with USB interface with the deltawave parametrisation software The parametrisation file parameter par for site set up and or communication par for RS232 set up if required can be stored on the memory stick Please create a directory parameter with the subdirectories upload und download see Picture 1 Ordner x Name Gr e Typ Ge ndert am Z S communication par OKB PAR Datei 27 08 2009 12 03 3 Desktop B Eigene Dateien Ea parameter par OKB PAR Datei 27 08 2009 12 03 vy Arbeitsplatz S Festplatte C NEU D we USB drive E parameter download ID upload Picture 1 Directories on USB memory stick for uploading parameter files Please s
20. found S 2009_08_31_12_PATH_04 trend 238KB TREND Datei 31 08 2009 12 23 A mnt E Profile txt 24 4KB Textdokument 31 08 2009 11 13 Q flashi E Tabelle txt 76 Byte Textdokument 31 08 2009 11 13 T A Flash2 L flashs e ide E l log T ig lost found T scans E ay trenddaten A dtrend ig strend l mstick Er ig proc ig sbin ry tmp ig ust S var Picture 19 deltawave s ftp server directory of Data Logger Files systec Controls Mess und Regeltechnik GmbH 73 deltawave Technical Reference and User s Manual Ordner x Name Gr e Typ Ge ndert am Desktop la DW 2008_10_27_10_01 dtrend gg 1 22KB Winzip Datei 28 10 2008 00 00 S amp Eigene Dateien ED zo0s_10_28_10_01 dtrend gg 1 22KB Winzip Datei 29 10 2008 00 00 9 Arbeitsplatz 22008 10 29 10 O1 dtrend gz 1 31 KB WinZip Datei 30 10 2008 00 00 E Netzwerkumgebung ET 2008_10_30_10_01 dtrend gz 917 Byte Winzip Datei 01 12 2008 00 00 2 Papierkorb ED 2008_12_01_10_O1 dtrend gz 141 Byte WinZip Datei 22 01 2009 00 00 Internet Explorer ED 2008_12_D1_PATH_O1 dtren 435 Byte Winzip Datei 22 01 2009 00 00 amp 192 168 1 99 ED 2008_12_01_PATH_O2 dtren 435 Byte WinZip Datei 22 01 2009 00 00 a e bin D 2008_12_01_PATH_03 dtren 429Byte Winzip Datei 22 01 2009 00 00 a dev ED 2008_12_01_PATH_O4 dtren 426 Byte Winzip Datei 22 01 2009 00 00 ES S etc D 2008_12_01_SECTION_01 dt 3Byte Winzip Datei 22 01 2009 00 00 a S ib ED 200
21. ftp 192 168 1 99 mex Datei Bearbeiten Ansicht Favoriten Extras a ik Q L E 7 Zur ck wi y Suchen Key Ordner 12551 Adresse amp ftp 192 168 1 99 Wechseln zu gt Eine anonyme Anmeldung wird vom Server nicht zugelassen oder die E Mail Adresse wurde nicht akzeptiert FTP Server 192 168 1 99 Benutzername root Er Kennwort serres Nach der Anmeldung k nnen Sie diesen FTP Server den Favoriten hinzuf gen um auf den Server zuk nftig schneller zugreifen zu k nnen A Kennw rter oder Dateien werden durch FTP nicht verschl sselt oder codiert bevor sie an den Server gesendet werden Yerwenden Sie Webordner WebDAY um Kennw rter und Daten zu sch tzen Weitere Informationen ber Webordner verwenden L Anonym anmelden _ Kennwort speichern O ClampoNWandlertest contract Yuden DO deltawave Ok E gt lincoln 5 Meeting with trinitytouch MP 5 Neuer Ordner E temp O vertriebsstruktur 5 MMA HannoverschM nden EE KE K Internet Picture 21 Login at ftp server The file inittab can be found in the directory etc see Picture 22 Picture 23 Adresse amp Ftp 192 168 1 99 Wechseln zu a SR kad L L L L S E Desktop B Eigene Dateien bin dev etc lib lost Found mnt proc C Arbeitsplatz ES a Netzwerkumgebung mo u g Papierkorb kad i L S T fe Internet Explorer 192 168 1 99 bin
22. ftp server you have access to deltawave s operating system Improper settings or changes may cause severe damage to deltawave and may also influence the functionality significantly Please just use the operations shown in this chapter In case of doubt please ask your systec dealer You can e g use the Windows Explorer to access your deltawave via ftp Please put ftp followed by the IP address in the address bar e g ftp 192 168 1 99 It may be that you have to activate use passive ftp in the settings of your browser Login User Name user Password systec Picture 18 shows you the structure of the ftp server Adresse E ftp 192 168 1 99 EA Wechseln zu S S L L S L LC E Desktop B Eigene Dateien bin dey etc lib lost found mnt proc C Arbeitsplatz N Netzwerkumgebung Gas 2 Papierkorb A kad L P Internet Explorer 192 168 1 99 A bin A dev S lib S lost found Ld mnt sbin tmp UST var bash_history nxcal dat usr a var Picture 18 deltawave s ftp server data structure 72 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 9 4 3 1 Downloading Data Logger Files The data logger files are stored in the directory mnt ide trenddaten see Picture 19Picture 19 Files from the last days can be found in the subdirectory dtrend These files have a resolution of 1 minute Only the files stored in th
23. oo on ME a MIN N MW ee W ee m AE mE i ei wei P Pe 2nd sub segment oy po Lowest sub segment Ultrasound path L ME GE BE DE a With the mid Section method a weighting factor KR must be entered which takes into account friction on the channel floor For extremely rough channels the value become a minimum of 0 2 for friction free channels the value is 1 The table below shows reference values A weighting factor for the channel floor kB for standard values see the table below must also be entered for the mean section method and in addition a weighting factor for the uppermost segment kS With the mean section method the speed at the surface of the uppermost sub segment is calculated by interpolation kS indicates how strongly this value is taken into account in the calculation A value between 0 no influence and 1 complete influence can be selected A standard value is 0 1 The influence of kS on the measurement result is especially small if several segments are working 3 or more systec Controls Mess und Regeltechnik GmbH 13 deltawave Technical Reference and User s Manual Earth channels Earth channels in solid material smooth 0 58 0 48 Earth channels in firm sand with some clay or gravel 0 52 0 38 Earth channels with floor of sand and gravel with rendered embankments 0 52 0 38 Earth channels of fine 10 20 30 mm gravel 0 50 0 32 Earth channels of medium sized 20 40 60 mm gravel 0 47
24. paths but you do not get valid measurement from them 6 7 4 Min Alarm Max Alarm Min Max Alarms systec Controls Mess und Regeltechnik GmbH 51 deltawave Technical Reference and User s Manual Min Alarm means that you define a lower limit for the defined measurement value If value falls down that limit you will get an alert Max Alarm means that you define a upper limit for the defined measurement value If value exceeds this limit you will get an alert Min Max Alarm means that you can define a range the choosen parameter has to be in If value of parameter is out of this range an alarm will be activated You can define the following Min Max Alarms Example Setting Min Alarm for Level Out 1 If you want to get an alarm when the measured Digital Output 1 Unit Digital Output 1 Digital Output Type Win Alarm Level in m l Hin Switch Yalue Unit selected Type 1 level falls under the level of 1m please select Min Alarm Level in m as digital Output Type Then please put the value 1 which then stands Max Switch Yalue Unit selected Type for 1m into the input field Min Switch Value Counter Value for Type 2 o Unit selected Type Invert Output T Min Frequency Max Frequency OK Abbrechen changed Exmaple Setting Min Max Alarm for flow If you want to get an alarm when flow falls below 0 56m3 s or when flow exceeds 29 6m3 s please choose Min Max Alarm in Flow in m3 s as digital output type Pleas
25. site e g RioBravo WEEK_NUMBERING FRAME Header Frame of ASCII Ee E default Description S SHOW START 10 1 1 Start sign is added to ASCII string O No start sign is added START String 20 START Name of start sign SHOW_END 0 1 1 End sign is added to ASCII string O No end sign is added String 20 Name of end sign 80 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual SEPARATOR String 2 FE Seperator to seperate different signs of ASCII string DATE Header for Date Settings Variable Rarnge default Description Description S O SHOW 0 1 1 Date will be included in ASCII string 0 Time will not be included FORMAT String 20 Y m d Format of Date Default format means e g 2009 12 31 TIME Header for Time Settings Variable Range default Description SHOW 0 1 1 Time will be included in ASCII string O Time will not be included FORMAT String 20 H M S Format of Time Default format means e g 23 59 37 EEE EEE BE EEE FLOW Header for Flow Settings Variable Range default Description Cs SHOW 0 1 1 Flow Value will be included in ASCII string O Flow Value will not be included FORMAT String 20 5 1f Format of flow value VOL Header for accumulated Flow counter Variable Range _ default__ Description O Z O Z SHOW 0 1 1 Value of counter will be included in ASCII string O Value of counter will not be included FORMAT S
26. which lie after the CutOff triggering and are not cut off Caution if too low a number is selected a part of the wanted signal is also cut off The minimum number can be calculated from the number of oscillations used transmission sequence see chapter 6 4 1 15 multiplied with the relationship of sampling frequency to signal frequency see chapter 6 4 1 4 6 4 1 5 Example 48 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Signal frequency 500kHz sampling frequency 5MHz transmission sequence 53000 i e 15 oscillations gt sampling frequency signal frequency 10 gt 10 15 150 minumim number of CutOff samples afterwards 6 4 1 20 CutOff Filter Signals with enabled Cut off function are filtered 6 5 Level measurement configuration If you are not measuring a constantly filled pipe and the level varies a level measurement is needed to permit precise flow rate measurement This is set after activation in the Show Input Parameters menu Input Analog Output Digital Output 170 Input Activation 1 2 a 4 5 6 7 8 Show Input Parameter First allocate one of the analogue outputs to your section by pressing one of the buttons see above input 1 Then select the settings in the Display Input Parameters submenu Input 1 Define Variable level lt Yalue at 4mA lo m m Constant Value Yalue at 20mA 4 Define constant level Error Yalue lo 20m
27. ye a RQ L ne K R U Date Time Ly m Ts C vnm m s I 2007 11 23 11 26 00 0 8027 5 760907 2007 11 23 11 27 00 8719 28 904142 20072 11 23 11 28 00 0494 32 584284 2007 11 23 11 29 00 0500 33 097138 2007 11 23 11 30 00 0500 32 852403 2007 11 23 11731200 0500 32 781580 2007 11 23 11 32 00 0500 32 148618 2007 11 23 11233200 0500 32 193787 2007 11 23 11 34 00 0500 32 376888 2007 11 23 11 35 00 0500 32 640280 2007 1123 11 36 00 542 25 217150 2007 11 23 11 37 00 0466 28 678705 2007 11 23 11 38 00 0500 28 835425 2007 11 23 11 39 00 0500 28 712692 2007 11 23 11 40 00 0500 28 845855 2002 22523 11 41 00 8005 24 925665 2u07 133 23 11 42 00 0014 31 372524 2007 11 23 11 43 00 72582 260 251926 2007 11 23 11 32 00 0426 31 122229 ZUR Test E35 OS 0500 32 748140 2007 11 23 11 46 00 25935 22 167924 Tr EE 29 WS at foe Bi 0475 33 286016 2007 11 23 11 48 00 9161 27 867859 2007 11 23 11 49 00 8098 26 082091 2007 11 23 11 50 00 0494 30 474182 2007 11 23 11 51 00 0500 31 308978 2007 11 23 11 52 00 0500 32 220703 2007 11 23 11 53 00 7533 26 107626 2007 11 23 11 54 00 0478 31 411374 2007 11 23 11 55 00 0420 30 733662 2007 11 23 11 56 00 8208 26 387051 2007 11 23 TR EDD 6462 24 601466 2007 11 23 11 56 00 03933 30 220333 2007 11 23 11 59 00 0410 30 252843 2007 211 23 12 00 00 9221
28. 0 27 Earth channels of rough 50 100 150 mm gravel 0 44 0 22 Earth channels of large lumps of clay 0 41 0 16 Earth channels made of rough stones 0 40 0 13 Earth channels of sand clay or gravel heavily overgrown 0 37 0 08 Rock channels Medium rough rock excavation Rock excavated with careful blasting Very rough rock excavation large irregularities Masonry channels Channels made of brickwork bricks also clinker bricks well jointed Rubble masonry Channels made of brickwork normal Normal good rubble masonry hewn stones Rough rubble masonry stones only roughly hewn Broken stone walls rendered embankments with sand and gravel floor Concrete channels Smooth cement finish Concrete using steel forms Smooth rendering Smoothed concrete Good formwork smooth undamaged rendering smooth concrete Concrete produced with wood formwork without rendering Compressed concrete with smooth surface Old concrete uneven surfaces Concrete shells with 150 200 kg cement per m3 depending on age and type Rough concrete lining Uneven concrete surfaces Wooden channels New smooth channel Planed well jointed boards Unplaned boards Older wooden channel Metal channels Smooth pipe with countersunk rivet heads New cast iron pipes Riveted pipes rivet not countersunk overlapped several times in the circumference Natural watercourses Natural riverbeds with firm floor without irregularities Natural riverbeds with moder
29. 0 369317 0 597667 k a as d 15 the distance from the cenirclinc of the conduit to the acoustic path sce Figure J2 on one of these methods is applicd to a truly circular section with the paths located exactly at the specified distance from the centre the general formula is often used in the simpler form iL 3 3 sd s E where 2 ee Q Wty i l ince in this case L sin for cach given mn is independent of L sin yp W u mu D W sin ind TABLE J2 Gauss Legendre method method Gauss Jacobi method Wi Ww ee 176841 0 217079 Wi 0 613298 0 568320 ws 70 systec Controls Mess und Regeltechnik GmbH It da aa cr III deltawave Technical Reference and User s Manual 9 4 Access to deltawave via Ethernet LAN deltawave has LAN interface see also chapter 2 5 5 which allows you to watch the ongoing measurement see 9 4 2 to download data logger files or to download upload parameter files see 9 4 3 9 4 1 Using Ethernet Cable Connection For direct connection point to point e g your PC deltawave please use a patch cable cross link 9 4 2 Access via http protocol deltawave s integrated webserver You will find the IP address of your deltawave on the silver coloured label directly on deltawave s enclosure You can adapt deltawave s network configuration IP adress subnet mask default gateway according to your requirements d
30. 3 respawn bin login console 3 once usr local bin autostart T al al al mal al al al al al al Picture 24 Content of file intittab Picture 24 shows the content of the inittab which is opend in a text editor You can see the default settings for IP address and default gateway The default subnet mask is not shown here but it is 255 255 0 0 1 Change the IP address The IP address can be changed in the text editor by simply replacing the default or old entry 2 Change the default gateway The default gateway can be changed in the text editor by simply replacing the default or old entry 3 Change subnet mask The subnet mask can be changed by adding subnet mask s address into the file See Picture 25 There is one blank between the last digit of IP address and the word netmask Then there is one blank after the word netmask before the address starts Owe 8 eaS Fal SS E AA ene KM 1 xj console 3 sysinit sbin modprobe usb storage pA console 3 sysinit bin mount n a SS console 3 sysinit 7 sbin mkpairs Ela console 3 sysinit sbin ifconfig lo 127 0 0 1 console 3 sysinit sbin ifconfig eth0 172 19 126 200 netmask 255 255 255 0 console 3 sysinit sbin route add det au gw 172 19 126 10 console 3 sysinit bin hostname KU37Z401 console 3 once sbin inetd R 1000 console 3 once sbin syslogd console 3 respawn bin login console 3 once usr local bin Atostart Te aal mal al mal mal al al al
31. 543 1555 40 1412 57 27 1502 20 34 77 1555 31 1417 32 2 1504 68 545 92 7 1555 18 1421 98 2 1507 10 546 83 79 1555 02 1426 0 1509 44 547 7 1554 8 1511 71 1548 51 1554 57 1513 91 7 1349 28 gt 1554 30 1516 05 1550 00 1553 98 1518 12 9 1550 68 1553 63 1520 12 1551 30 1553 25 1451 51 1522 06 551 1552 82 1455 34 1523 93 1552 37 1459 07 1525 74 1551 88 1462 70 1527 49 1551 35 1466 25 1529 15 1550 79 1469 70 1530 80 1550 20 1473 07 2 1532 37 1549 58 1476 35 1533 88 1548 92 1479 55 4 1535 33 1548 23 1482 66 1536 72 7 2 1547 50 1485 69 1538 06 7 3 27 1546 75 1488 63 1539 34 72 37 1545 96 1491 50 1540 57 7 S 1545 14 1494 29 1541 74 7 47 1544 29 1497 00 1542 87 7 1543 4 Note T temperature V velocity of sound d ae a de of liquids Berta OT wate on Vesna Acetone Amline Ether Ethylene glycol Chloroform Glycerin Acetic acid Methyl acetate Ethyl acetate Heavy water Carbon terrachloride Mercury Nirobenzene Carbon disuliide n pentane n hexane Spindle oil 0 905 1324 5 7 Gasoline 0 803 1250 0405 Twa ss i rosa Note T temperature p density V velocity of sound v kinematic viscosity I Ai amp whe p Ww ws J t t tet toe Ln ws UW in Ww iw to t im ts dy C3 Ww Ww U LI m EFE Please note that deltawave needs this information only for the internal calculation of the approximate signal run time The flow rate measur
32. 5882 186256096 905644 62 71186 596619 186257958 538583 79 50000 583747 186259825 435402 139 50000 501189 186261597 802771 150 53448 467274 186263405 178226 26 27119 583304 186265243 403811 85 50000 574614 186267074 815124 145 50000 550047 186268874 102130 184 84483 523963 186270697 752319 35 50000 585081 186272543 905493 95 50000 687503 186274571 184297 155 50000 609645 186276615 911284 215 50000 755397 186278488 610753 275 50000 210988 186280224 998676 335 50000 472454 186281201 940842 395 50000 553506 186283041 398505 455 50000 174060 186283891 794495 515 50000 442919 186285163 467272 425 25424 734483 186287216 560715 45 50000 RAOTFPE IOAKPOIICK 7 79 762 INE Cnnnn eS 3 K KA KA KA KA A KA NNN Ka KA KA KA Ka ENN ENN KA KA KA KA Ka KA PA KA A KA A KA KA NEP A KA A KA A KA KA KA Ka PH Qn G G PA KA GD KA A A UH U LU LU LH e LH GH GH Gn Gn Qn Gn e G LU LU UH L LG G G G G L L KA GD G G G G G G G G G J O mh Pooooooeooeooooeooeooeooeooeooeococoocooeocooooeooeoeoeoeoeo0coeooor Picture 32 Unpacked data logger files Example for content of a section file 9 8 3 Handling of Additional Data Logger Files The data logger files shown in chapter 9 8 1 are always available In addition to that you can activate that additional data only site data is also stored in a text format csv files Please see chapter 9 6 1 Please see chapter 9 6 8 for informations which data you can store in these additional files Please
33. 6 systec Controls Mess und Regeltechnik GmbH Technical Reference and User s Manual Load New Parameter Fils Press Road Wat Press Show deltawave Technical Reference and User s Manual 9 8 Handling of Data Logger Files Your deltawave continuously stores data logger files so called trend data into a internal memory SD memory card These data logger files contains the measurement data e g flow level as well as diagnosis data You can download these files by connecting a USB drive to deltawave s USB interface see chapter 4 11 4 or via ftp file server see chapter 9 4 3 1 Adresse amp ftp 192 168 1 99 mnt ideftrenddaten dtrend Ge ndert am 28 10 2008 00 00 Ordner x Name Gr e Typ Ei Desktop A i 2008_ 10_27_IO_01 dtrend gz 1 22KB Winzip Datei Eigene Dateien ET 2008 10 28 10 01 dtrend gz 1 22KB Winzip Datei 29 10 2008 00 00 H 4 Arbeitsplatz ED 2008_10_23_10_01 dtrend gz 1 31KB Winzip Datei 30 10 2008 00 00 3 9 Netzwerkumgebung ET 2008_10_30_10_01 dtrend gz 917 Byte Winzip Datei 01 12 2008 00 00 a2 Papierkorb ED 2008_12_01_10_01 dtrend gz 141 Byte WinZip Datei 22 01 2009 00 00 E Internet Explorer D 2008_12_01_PATH_O1 dtrend gz 435 Byte Winzip Datei 22 01 2009 00 00 192 168 1 99 ET 2008_12_01_PATH_02 dtrend ge 435 Byte WinZip Datei 22 01 2009 00 00 A bin E z008_12_01_PATH_03 dtrend gz 429 Byte WinZip Datei 22 01 2009 00 00 9 dev ET 2008_12_01_PATH_04 dtrend gz 426 B
34. 9_01_22 10 O1 dtrend g2 122 Byte WinZip Datei 17 03 2009 19 46 Z lost found ET 2009_01_22 PATH_Ol dtren 417 Byte WinZip Datei 17 03 2009 19 46 amp mnt ED 2009_01_22 PATH_O2 dtren 416 Byte Winzip Datei 17 03 2009 19 46 amp flashi C 2009_01_22_PATH_03 dtren 423 Byte WinZip Datei 17 03 2009 19 46 Z flash2 ED 2009_01_22 PATH_O4 dtren 414 Byte WinZip Datei 17 03 2009 19 46 G flash3 ED 2009_01_22_5ECTION_01 dt 73Byte WinZip Datei 17 03 2009 19 52 I A ide D 2009_03_17_IO_O1 dtrend gz 3 24KB Winzip Datei 18 03 2009 00 05 a I log ED 2009_03_17_PATH_Ol dtren 3 83KB Winzip Datei 18 03 2009 00 08 Z lost found ED 2009_03_17_PATH_O2 dtren 3 81 KB Winzip Datei 18 03 2009 00 08 F e scans D 2009_03_17_PATH_O3 dtren 3 76KB Winzip Datei 15 03 2009 00 05 N trenddaten ET 2009_03_17_PATH_O4 dtren 4 17KB WinZip Datei 18 03 2009 00 09 dtrend ET 2009_03_17_SECTION_O1 dt 5 56KB WinZip Datei 18 03 2009 00 09 amp strend ET 2009_03_17_SECTION_02 dt 5 70KB Winzip Datei 18 03 2009 00 09 G mstick ET 2009_03_17_SECTION_03 dt 5 77 KB Winzip Datei 18 03 2009 00 09 ES proc D 2009_03_17_5ECTION_04 dt 5 95 KB Winzip Datei 15 03 2009 00 09 amp sbin 0 2009_03_18_10_01 dtrend gg 11 1KB Winzip Datei 17 06 2009 08 29 E A tmp ED 2009_03_18_PATH_O1 dtren 14 1 KBE wWinzip Datei 17 06 2009 08 29 E usr ei 2009_03_18_PATH_O2 dtren 13 9KB Winzip Datei 17 06 2009 05 29 E A var I 2009_03_18_PATH_03 dtren i 13 2 KB Wi
35. A 2 5m X x changed 4mA Om Define the input type as Level Measurement and define the measuring ranges for the 4 20mA input signal If the level is constant a constant value can also be entered A level value can be entered in the Error Value input field at which a level measuring device malfunction or failure is used as an alternative to the flow rate calculation 6 6 Analogue Ouput Configuration Allocate one or more analogue outputs to the desired section by clicking the buttons Analog Output 170 Analogausgangaktivierung 2 g A Show Analog Output Parameter systec Controls Mess und Regeltechnik GmbH 49 deltawave Technical Reference and User s Manual The analogue output can now be parameterised in the Display Analogue Parameters submenu First select which measurement variable you wish to depict at the selected analogue output Then define the measurement range for the 4 20mA finally you can define a fault current which should be issued in case of error 120 23 2mA or 10 2 8mA are typical values deltawave is able to detect back flows It is possible to set a negative flow value for the 4mA parameter Example 4mA 5 m3 s 20mA 5 m3 s In This example the analogue output shows 12mA if the flow is 0 m3 s Section Define Analog Output ig Out 1 Analog Output 1 Unit Analog Output 1 Analog Output Type Flow in m3 s lt Value at 4mA lo Yalue at 20mA 5 Error Current in mA 12 4
36. IEC 77A Harmonics on power supply EN 61000 4 11 Interruptions 100ms dips and voltage variations 12 to 15 on supply EN 61000 4 4 Fast transient burst 2 kV common 1 kV normal mode EN 61000 4 5 High energy pulse transient 2 kV common 1 kV normal mode EN 61000 4 12 Damped oscillatory waves 1 kV common 0 5 kV normal mode IEC 1000 4 6 Conducted disturbance induced by radio frequency fields 150 kHz 80 MHz EN 61000 4 2 Electrostatic discharge 8 kV in air 6 kV in contact EN 61000 4 8 Power frequency magnetic fields 1000 Aeff m EN 61000 4 10 Damped oscillatory magnetic field 0 1 MHz and 1 MHz 30Ap m IEC 1000 4 3 Radiated electro magnetic field 80 1000 MHz field strength 10 V m Electro magnetic emission IEC 1000 3 2 Harmonic current emitted into power source EN 50081 2 1994 Part 2 Industrial electro magnetic field radiated in bands 0 15 30 30 1000 MHz Ex protection certificates Special ultrasonic transducers with Ex certification are available The evaluation unit can also be delivered in a pressure sealed housing Please see data sheets or ask your systec dealer 2 5 Interface specifications 2 5 1 Analogue inputs 8x 4 20 mA standardised signals can be connected to the analogue inputs The potential difference of the signal terminals to the device earth must not exceed 20 V The I O board provides a maximum of 24 V max 1 for passive water level sensors The I O board s inputs and outputs can be switched activel
37. SS es 0 906899 0 906899 a 0 555360 0 785398 0 555360 EEE je 0 369317 0 597667 _ __ _ es SE pe 2S es OORS pK 0847855 Table 7 Weighting factors for filled conduits rectangular section Gauss Lengedre model A more sophisticated model the so called OWICS Optimal Weighted Integration for Circular Sections is available since some month Working with OWICS means that the installation positions of transducers as well as the weighting factors see Table 8 are slightly different from ISO60041 Number of paths Path number Path weighting 1 513365 ee ee 0 890785 0 890785 ee 0 553707 0 7686693 ENDEN Table 8 Weighting factors for filled conduits round section OWICS 0 553707 Pe 66 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Normally paths and weight factors follows ISO60041 Please ask your systec dealer if OWICS is possible reasonable systec Controls Mess und Regeltechnik GmbH 67 deltawave Technical Reference and User s Manual 9 3 Exerpt IEC41 Calculation of Flow with weighing factors dr a Be T hee S ahji es J lt A Bar EN SZ R EEE IR P 4 BO Z Air Austen ET 1 RE TT rn J3 Methods of timing Pa Tn CERN ANE Rr ER aan gt P Lda P K rN amisa Y rae EE Or ate en a Rig ie et gt There are two main methods of transit time measurements with some variations The first consists in measuring direcily the tr
38. TH_01 dtrend gz 14 1 KBE Winzip Datei 17 06 2009 05 29 F usr ED 2003 03_18_PATH_02 dtrend gz 13 9KB Winzip Datei 17 06 2009 08 29 a var CD z009_03_18_PATH 03 dtrend gz 13 2KB Winzip Datei Picture 29 data logger files stored in deltawave s internal memory 17 06 2009 08 29 9 8 1 Structure of Data Logger Files The files contains measurement data and diagnostic data in text format There is one file for each day for Number of Files per day Name of files Main site data a data 1 per path PATH_XX Um 30 Available number of files That means that you get 6 files per day for a typical site 4 acoustic paths 1 I O file 1 file with main site data Mainly these files contain the same data you can see on deltawave s display See also systec Controls Mess und Regeltechnik GmbH 87 deltawave Technical Reference and User s Manual File Type Supplied Data Indication Unit OD agen RE a XX indicates h accreted Flow P T section XX 0102103104 Level My omo o Average Velocity m m O O EEE o a A BES EEE XX indicates which path Signalto noise ratio Ta DO lt XX 01102 18 Status ofpath Stat Gan mM ooo Signal ran me TE fe Signal Quality fisq HH Correlation Quality ica o Amplitude of Signa A ooo Amplitude of Signal 2 A o Energy of Sigal Te E OO Number MQ 1 sec Measurements Temperature TS OZO o OPO S y O K OXX T Dal XX indicates which O T board XX 01 or 02 Table 9 Avai
39. able measuring precision depends on the number of measuring paths used and the inflow conditions The following table gives an overview of the maximum measuring deviations depending on the number of measuring paths With shortened inflow routes the use of crossed paths is recommended i e two intersecting paths are installed on one path plane Accuracy in of the current flow value under different conditions 6 12 path pressurised pipe 10D lt 5D inflow 0 4 of flow rate 4 8 path pressurised pipe 10D lt 5D inflow 0 5 of flow rate 2 4 path pressurised pipe 10D lt 5D inflow 1 0 of flow rate 6 12 path partly filled pipe 10D lt 5D inflow 1 0 of flow rate 4 8 path partly filled pipe 10D lt 5D inflow 2 0 of flow rate 2 4 path partly filled pipe 10D lt 5D inflow 3 0 of flow rate For flow velocities gt 0 003m s i 1 N i i HN ng u ip a xa I E N 1 ge Me IKA L N pr Lg 0 le Q v e N 12 2 4 path installation in pressure pipe 4 8 path installation in pressure pipe 6 12 path installation in pressure pipe systec Controls Mess und Regeltechnik GmbH 5 deltawave Technical Reference and User s Manual 1 4 Specialised applications 6 deltawave can be used in spaces and areas liable to contain explosive atmospheres in compliance with the relevan
40. alculated using linear interpolation See Picture 16 for example systec Controls Mess und Regeltechnik GmbH 59 deltawave Technical Reference and User s Manual 6 12 Signal plausibility Every path performs many individual measurements per second up to 120 Temporary disruptions medium discontinuity e g due to gas contamination can mean that from time to time single defective measurements are included in the flow rate calculation In order to exclude these defective measurements from the flow rate calculation various parameters can be set which check the plausibility of the measuring values Signal Plausibility min Velocity Q 0 max Velocity 5900 min Signal Quality 0 0 min Flow Speed 10 _ max Flow Speed 10 6 12 1 Min and max velocity deltawave calculates the sound velocity vs of the medium with every run from the signal runtimes In the minimum and maximum sound velocity input fields limit values are defined within which the calculated sound velocity must lie if the single measurement is to be regarded as valid The sound velocity of water depends mainly on temperature E g vs at 0 C is 1402m s at 60 C vs is 1551 m s That means if temperature of your water is within the range of 0 60 C calculated vs should be within 1402 1551m s Sound velocity of water also depends little on salinity and particle load Therefore we recommend to maintain a safety distance of about 50 100m s from
41. ansit lime in cach direction between the two transducers A variant of this method mcasures itionally the time difference in reception of signals transmitted simultancously upstream and downstream BE lic IU 7 In the second the so called sing around method the frequency with which signals are transmitted E al lime since cach signal arriving at the receiver triggers off a new pulse at direction and the difference in frequency of both series of pulses is KY 4 ER Y the opposite transm iuter in the same Both methods have their advantages and disadvantages and their choice depends on the size of the conduit the magnitude of the velocity to be measured and the precision and cost of the timing device available on the market The time delays in the electronic circuitry and cables and the times for the acoustic pulse to traverse any non waler parts of the acoustic path such as the acoustically transparent material in the face of the transducer holder shall be determined and taken into account If the above conditions are fulfilled and by measuring the travel time of an acoustic pulse along a given path in both the upstream and downstream directions the final results will be virtually independent of the fluid s composition pressure and tempcrature J4 Discharge measurement and calculation To make a velocity measurement along a given path the transmitter and receiver are arranged in such a way that signals are transmitted
42. ate bed load Natural riverbeds weed infested Natural riverbeds with rubble and irregularities Natural riverbeds strong bed load Wild streams with rough rubble head sized stones with resting bed load Wild streams with rough rubble with moving bed load Table 2 roughness coefficients for calculation models mean section and mid section 14 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 1 Filled pipe in Partly filled pipe mode For this case the system can determine the flow with the same process as in Filled pipe mode 3 1 2 Crossing paths With shortened inflow routes we recommend the use of crossing paths see chapter 1 3 for achievable accuracies Paths which are installed in one section at the same path height are automatically recognised by deltawave as crossing paths The measured velocities of two crossing paths are averaged This reduces the influence of so called crossflow effects on the accuracy Crossflows can arise with shortened inflow routes e g when using deltawave behind a bend This means that the flow vectors are not yet parallel again to the channel or pipe axis after such disruptions The influence of these crossflows can be compensated by the use of intersecting paths 3 1 3 In Full conduit mode In this mode your pipe channel is always full and the flow is calculated from the product of the average flow rate and the pipe cross secti
43. ateien communication par OKB PAR Datei 27 08 2009 12 05 v Arbeitsplatz S Festplatte C NEU D we Wechseldatentr ger E 5 parameter OD download CO upload Picture 28 Downloading a parameter file using USB drive 84 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Alternatively you can download parameter files also by ftp file transfer Files are save in the directory mnt flash1 parameter on your deltawave Please see chapter 9 4 3 for accessing ftp server 9 6 8 Downloading Data Files The files which are transferred via RS232 interface can be also continuously stored at deltawave s internal memory see chapter 9 6 1 There will be one file for each week The format of the data in these files is equal to the format of the defined ASCII string There is one file for each section The files are named always section1 section2 sectiond You can download the files either using a USB drive follow chapter 4 11 4 You will then find the files in the directory comm on your USB drive Please press button trends gt gt memory stick on the display when having connected your USB drive to deltawave Alternatively can download files via ftp server see chapter 9 4 3 Files are stored in the directory mnt ide comm csv files 9 7 deltawave display touchscreen Structure systec Controls Mess und Regeltechnik GmbH 85 deltawave Reset Totalizer 8
44. ater or is the path outside and is still activated e g by a wrong path or wrong level measurement parametrisation e CQ CorrQ informs about the quality of the correlation Values gt 0 9 are good values lt 0 7 are unfavourable and indicate signal disruption Strongly fluctuating values indicate problematic application constantly low values indicate e g bad signal transmission This can for example be caused by cables which are too long or bad sensor adjustment e S N The Signal noise ratio is the relationship between the noise amplitudes and those of the signal An S N of 20 means that the signal amplitudes are 20 times higher than those of the noise An S N of 0 33 means that the noise has a threefold higher amplitude than the signal A low S N can have two causes 1 the signal amplitude is low e g due to bad sensor adjustment or bad sound conduction capability of the medium gas bubbles high solid material content 2 interference feedthrough is very high e g due to sources of high electro magnetic interference power electronics motors or due to inadequate shielding defective cables insufficient cable shielding contact with the housing earth e A1 A2 Amplitude of the outward and return shots Ideally both amplitudes have similar values in the range of 40 90 Significantly different amplitudes indicate strong signal interference gas bubbles or defective ultrasound converters e A1F A2F Amplitude of the outward and retur
45. ative voltage to earth 20V DC systec Controls Mess und Regeltechnik GmbH 7 deltawave Technical Reference and User s Manual Maximum voltage 240V rms Power supply for external sensors 24V DC max 1A 2 2 3 Display with touch screen Graphic display with touch screen 320 x 240 Back Light Touch Screen Operation 2 2 4 Analogue outputs The system provides the following outputs per I O board max 2 I O boards per deltawave 8 x 4mA to 20mA active or passive Max load 900 Q 10V Optional 900 9 19V Resolution 0 005 mA 12bit Precision 0 02 mA or 0 1 of the measuring range final value Overvoltage protection 30 V DC 2 relays Breaking capacity 0 5A 110 VDC Break time 40 ms Insulation voltage 2000 V AC 2 frequency outputs Frequency max 10kHz Type OC Breaking capacity 50mA 30VDC 2 3 Cable for ultrasonic transducers Double shielded RG58 Triaxial cable Cable connections of more than 100m in length should be clarified in advance with systec Controls 8 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 2 4 Safety standards and EMC guidelines The deltawave has been developed and designed in agreement with the following guidelines and standards Low voltage guideline EN 61010 1 Safety Requirements for Electrical Equipment IEC 255 5 Insulation 2 KV common mode 1 kV Normal mode gt 100 MQ Electro magnetic compatibility EN 50082 2 1995 Part 2 Industrial
46. ause noise which influences the measurement Gain values higher than 200 220 indicates a principle problem with signal transfer e g echos caused by gas bubbles misalignement of transducers etc and do not help to get better measurement 6 4 1 13 Correlation Quality The minimum quality CQ see chapter 5 1 4 indicates the quality of the correlation for every individual measurement A quality value is set here which causes the corresponding individual measurement to be invalidated if it is undercut i e this measurement is not taken into account in the flow rate calculation systec Controls Mess und Regeltechnik GmbH 47 deltawave Technical Reference and User s Manual The value set should lie between 60 and 90 We recommend to start with a lower level and then check values for CQ for each path see chapter 5 1 4 This will give you an idea of typical values for CQ at your site Then you can put these values with a safety distance of about 10 in your parameterization 6 4 1 14 Cal Factor With this factor you can influence the flow rate calculation for the individual paths The measured path speed is multiplied by this factor Since every path measures with great precision see chapter 1 2 Precision manual recalibrations are not necessary as a rule 6 4 1 15 PATH XX Samples The number of samples which should be created by a received signal is depicted here Three possible selections are available 1024 2048 and 4096 Gene
47. boards 23 4 10 Access to deltawave via Ethernet 23 4 11 Use of USB memory sticks 23 4 11 1 Transferring a new parameter file 23 4 11 2 Activating a transferred parameter file 24 4 11 3 Downloading an active parameter file from deltawave to USB memory stick 24 4 11 4 Reading out the data logger 24 4 11 5 Performing updates and upgrades 24 4 12 Installation and removal of electronic boards reconfiguration of boards 25 5 Programming and operation 29 5 1 Operation 29 5 1 1 The sections menu 29 5 1 2 The input output menu 30 5 1 3 The scan menu 30 5 1 4 The Paths Menu 30 5 1 5 The Maintenance Menu 32 5 2 Menu Customisation 32 5 3 Using the LAN interface 32 5 4 Using the USB interface 33 2 systec Controls Mess und Regeltechnik GmbH ON deltawave 9 2 IEC41 9 3 9 4 9 4 1 9 4 2 9 4 3 User defined setings 34 General information on software use Creating a new parameter file Loading a new parameter file Language selection system configuration Definition of existing hardware Number of sections Multimeter ID section configuration Section selection Activation of individual acoustic paths to a section Geometric definition of your conduit drain Define sampling points sampling point editor Path configuration The expert menu Level measurement configuration Analogue Ouput Configuration Digital Output Configuration Constant Values Counter Impulses section Alarm Min Alarm Max Alarm Min Max Alarms M
48. ce and User s Manual 5 1 2 The input output menu Here you can see an overview of all available inputs and outputs The active inputs have the status 1 column Val The current values in of the set measuring range end value of the active inputs outputs are displayed In case of malfunction or non activated inputs outputs Err is set to 1 only inputs In addition to that you can also see the status of the impulse digital outputs If digital outputs are parameterized as alarm outputs see chapter 6 7 you will see alm at the display at the correspoinding output 5 1 3 The scan menu Here you have the opportunity to see the signals of the individual paths scan1 corresponds to path1 etc To import press the Read button After several seconds then please press the button Show The upper picture shows the signal of the outward shot the lower picture that of the returning shot There should be a clear signal in the middle of the screens like in the picture on the right Bo deitauaus 5 1 4 The Paths Menu The Paths menu serves to check ultrasound mearuement In the Paths menu you have the possibility of checking the condition and the measurement quality of each individual path By pressing the Forward and Back buttons you can show the individual paths successively The following measured variables are shown in the Paths menu e Status The Status shows the function of the path Following stati are possible 1 the path is workin
49. celled out Please make sure that care is taken to provide a potential free circuit when using the inputs and outputs If necessary the use of separators is recommended 4 6 Connection of water level measuring devices to the analogue inputs Basically all water level measuring devices which emit an analogue 4 20mA output signal proportional to the water level can be connected to the system The signal should be connected with a shielded cable to analogue input connectors The analogue input can be freely selected the allocation of the input to a section takes place in the parametrisation The terminal allocation is covered in the chapter on the I O board Analogue inputs 1 8 on connectors 1 8 and 15 22 systec Controls Mess un beth 21 deltawave Technical Reference and User s Manual If the water level measurement is to be used in an area liable to contain explosive atmospheres a suitably protected water level measuring device must be used When using intrinsically safe Eex iA two litre fill level sensors Ex barriers must be used between the analogue input at the measurement transducer and the water level measurement device 4 7 Connection to the analogue outputs The terminals for the analogue outputs are located on the O board see below Shielded cables must be used to wire the analogue outputs The allocation of the analogue outputs to sections and physical magnitudes and the measuring ranges can be freely selected in t
50. channel or if you have an enclosed pipe or channel which is never quite full there is always a gas phase above the fluid In that case normally a level meter is connected to your deltawave or a constant level is parameterised see chapter 6 5 6 3 3 3 partially filled and or filled pipe compound Select this setting if you wish to measure a conduit or channel which can be both partially and completely full If you have chose this option the calculation model described in IEC41 ASME PTC 18 is used in case level meter indicates a complete full conduit if conduit is partially filled model from ISO6416 is used That means that every measured path velocity is multiplied by a weight factor according to mentioned standards weight factor depends on number of paths and installation height We recommend using weight factors according to standards only if the transducers are installed at the systec Controls Mess und Regeltechnik GmbH 39 deltawave Technical Reference and User s Manual mounting positions given by the standards If transducers are not mounted at this positions e g because normally conduit is only partially filled we recommend to use the default weight factors 1 See also chapter 6 4 6 3 3 4 filled pipe filled compound Select this setting if you wish to measure an enclosed pipe or channel which is always full i e there is no gas phase above the fluid In this case no level measurement needs to be connected to
51. ctor l below 14 above If a factory fitted I O board is ordered it is pre mounted in expansion slot D further I O boards then in expansion slots C B A 6 Analogue input 7 4 20mA 8 Analogue input 8 4 20mA 9 L Analogue output 3 4 20mA 20 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual The analogue inputs and outputs can be operated both actively 24VDC supply from deltawave and passively external 24VDC supply The I O board is delivered from the factory in active mode i e deltawave provides a 24VDC power supply There are small switches on the I O board with which the deltawave auxiliary energy can be switched on active or off passive U at t 4 DZ 1 i U V U L 3 V U L U to E V Digital outputs 1 and 2 2 a Analogue outputs 1 4 2 switches per output a 4 N switches per output Analogue inputs1 8 1 swith per output PPPPPPPS IPP aall Alaa WARNING IF deltawave is operated actively i e with 24VDC auxiliary energy feed no external auxiliary energy may be connected up Double auxiliary energy causes damage to deltawave and to connected peripherals Please ensure that following maximum values are not exceed Relay Umax 250V Imax 1A Transistor Umax 100V Imax 0 1A If deltawave is operated actively i e with 24VDC auxiliary energy feed the galvanic separation between the inputs and outputs is can
52. d 10 Save configuration After finishing your entries confirm them by clicking the Save Configuration button A familiar window for saving files appears to save the parameters Please note that in deltawave only files named parameter par can be loaded To transfer the parameter file to the deltawave please see chapter 4 11 1 Transfering a new parameter file and chapter 4 11 2 Activating a transferred parameter file systec Controls Mess und Regeltechnik GmbH 61 deltawave Technical Reference and User s Manual 7 Installation of Ultrasonic Transducers Please see Installation Guide and or assembly drawing if supplied 62 systec Controls Mess und Regeltechnik GmbH deltawave 8 Contact Manufacturer sales and technical support systec Controls Mess und Regeltechnik GmbH Lindberghstra e 4 82178 Puchheim Tel 089 80906 0 Fax 089 80906 200 E Mail info systec controls de Web http www systec controls de Please see our website to find your local systec dealer systec Controls Mess und Regeltechnik GmbH Technical Reference and User s Manual 63 deltawave Technical Reference and User s Manual 9 Appendix 9 1 Connection plans for the pulse outputs Active 1 The analog input port is switched to Active for this suggested connection Connect your transmitter directly to the connections on the deltawave Please note that the maximum output current is 30MA Maybe you need a base resistorThe advan
53. deltawave If you have chose this option the calculation model described in IEC41 ASME PTC 18 is used That means that every measured path velocity is multiplied by a weight factor according to mentioned standards weight factor depends on number of paths and installation height This weight factors see also chapters 9 2 and 9 3 are only reasonable when transducers are mounted on the position stated by the standards If your conduit is always full we strongly recommend to follow the standards mounting position weight factors Please see chapter 6 4 to see how to parameterize weight factors Form of conduit drain 6 3 3 5 Round Select this channel type if your measuring point is in a circular pipe Enter the inner diameter of your measuring point in the diameter field 6 3 3 6 Square Select this channel type if you wish to measure a rectangular e g a square or trapezoid channel These are typical concrete or brick walled channels e g in Sewage works or power station inflows The channel is geometrically defined in the Define sampling point submenu 6 3 3 7 Round with Spline Interpolation Select this channel type if your channel is neither circular nor rectangular e g if you have oval or natural channel forms The channel is geometrically defined in the Define sampling point submenu Diameter Only activated when option round is choosen Please enter your pipe diameter in meters 6 3 4 Define sampling poi
54. deltawave Technical Reference and Instruction Manual 4 made by systec User s Manual 15 09 2009 Version 1 6 deltawave Technical Reference and User s Manual Content Content 2 1 deltawave description 5 1 1 Measurement principle 5 1 2 Applicable Standards 5 1 3 Measurement Accuracy 5 1 4 Specialised applications 6 2 Specifications 7 2 1 sensors T 2 2 Evaluation unit T 2 2 1 Acoustic path T 2 2 2 Analogue inputs for water level sensors T 2 283 Display with touch screen 8 2 2 4 Analogue outputs 8 2 3 Cable for ultrasonic transducers 8 2 4 Safety standards and EMC guidelines 9 2 9 Interface specifications 9 2 9 1 Analogue inputs 9 2 5 2 Analogue outputs 9 2 9 3 Relay outputs 10 2 5 4 Pulse outputs 10 2 9 0 LAN interface Ethernet 10 2 5 6 USB interface 10 2 91 RS232 interface 10 3 Flow calculation 11 3 1 Calculation algorithms 11 3 1 1 In Partially filled filled conduits open channel mode 11 3 1 2 Crossing paths 15 3 1 3 In Full conduit mode 15 3 2 Water level measurement 15 4 Installation of the electronic unit 16 4 1 Electrical connection 16 4 2 Power supply AC 16 4 3 Ultrasonic board 18 4 4 Connecting the Ultrasonic Transducers 19 4 4 1 Connection in areas liable to contain explosive atmospheres 19 4 5 I O board 20 4 6 Connection of water level measuring devices to the analogue inputs 21 4 Connection to the analogue outputs 22 4 8 Connection to the digital outputs 22 4 9 Using several I O
55. e an I O board in this slot The software automatically shows you the path numbering and the analogue and digital inputs and outputs 6 2 2 Number of sections Here you define how many sections sites you wish to measure with deltawave One to four sections are possible 6 2 3 Multimeter ID Here you can give deltawave a name e g a TAG number or a plain text name systec Controls Mess und Regeltechnik GmbH 35 deltawave Technical Reference and User s Manual 6 3 Section configuration Systec DeltaWave Parameter NewFile par Section 1 Path Activation l 7 2 3 al 5 6 7 8 Show Path Parameter Input Analog Output i Digital Output Show Input Parameter 140 Input Activation _ Basic Settings Drain Type open channe l Calculation Model mid section l G lons Friction Coefficient K 0 6 RE m Weight Factor KS fo 1 Weight Factor KB o8 Define Levels l Media definition Scc iii Media type Water Dynamic Spline Correction Media sonic velocity in m s 1480 ke 7 PO 0 Hh ee C Basic Parameter L Mei a SETE fi j Minimal Sensor Surcharge 0 02 Drain Algorithm Manning Strickler Enable Manning Strickler Low Flow Cut Off 0 Friction Coefficient gt gt 00 Lor Levat Cut IE o Ensa Siope oam Temperature Offset lo Max Manning Level Enpe standard Signal Plausibility Damping Time E U min Velocity lo max Level 99 max Velocity 5000 Path Substitution min Si
56. e directory dtrend are copied to your USB drive see chapter 4 11 4 Accessing via ftp additionally allows you downloading the files from the current day file ending htrend trend which have a resolution of 1 second Note In order to save memory capacity the files from the current day will be packed resolution turns from 1 second to 1 minute and moved to the directory dtrend around midnight That means that you have the data from the last days in that directory not from the current day Adresse S Ftp 192 168 1 99 mntjide trenddaten Ordner x Name Gr e Typ Ge ndert am 2 Desktop a Cadtrend Dateiordner 31 08 2009 11 19 Eigene Dateien Cystrend Dateiordner 31 08 2009 12 01 9 Arbeitsplatz 2009_08_31_11_10_01 htrend 4 28KB HTREND Datei 31 08 2009 12 00 E 9 Netzwerkumgebung S 2009_08_31_11_PATH_O1 htrend 8 04 KB HTREND Datei 31 08 2009 12 00 9 Papierkorb S 2009_08_31_11_PATH_02 htrend 8 04 KE HTREND Datei 31 08 2009 12 00 K internet Explorer S 2009_08_31_11_PATH_03 htrend 8 04 KB HTREND Datei 31 08 2009 12 01 amp 192 168 1 99 2009_08_31_11_PATH_04 htrend 8 04 KB HTREND Datei 31 08 2009 12 01 EQ bn 3 2009_08_31_12_10_01 trend 125KB TREND Datei 31 08 2009 12 23 F A dey 2009_08_31_12_PATH_D1 trend 239 KB TREND Datei 31 08 2009 12 23 S etc 2009_08_31_12_PATH_02 trend 238 KB TREND Datei 31 08 2009 12 23 c 8 ib S 2009_08_31_12_PATH_03 trend 238KB TREND Datei 31 08 2009 12 23 G lost
57. e must be taken that the insulated cable ends are kept as short as possible and the earth and both inner conductors are polarised correctly We recommend the use of a suitable housing for the extension Suitable housings should be used if the cable extension is to take place in an area liable to contain explosive atmospheres Eex e or Eex d The evaluation unit must be within reach of power supply and data transfer cables The evaluation unit itself should be hung up outside the area liable to contain explosive atmospheres If this is not possible pressure sealed housings are available for the evaluation unit please consult systec Controls To avoid interference with the measuring signals from electro magnetic radiation all input and output cables should be laid in shielded cable channels separated in particular from power electronics cables 4 1 Electrical connection The following connections must be provided depending on equipment and device configuration Power supply for the electronic part Sensor cable required length can be stated with your order Cable for water level sensors Cable for analogue outputs Cable for alarm contacts Cable for digital outputs Cable for interfaces LAN USB RS232 4 2 Power supply AC The measuring device power consumption depends on the path length see table Number of paths app power consumption VAC EZ S O 4 50 BB Table 3 Power consumption Cables with a cross sectio
58. e personnel before activation Here is the formula how the substituted velocity v_substitute is calculated 1 V of active path Path Ratio path to be substituted No of working paths Path Ratio of active pa H Sp active paths a 56 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 6 10 8 Minimum number of func paths The number of paths which must function correctly is entered here If less than the number of paths entered here are functioning correctly a section alarm is issued A digital output should be correspondingly defined for this see chapter 0 A path is regarded as not working if the path status is 1 after the burnout has elapsed see chapter 6 8 no measuring results in that case An alarm can possibly also be issued with basically correctly functioning paths if the stop period selected and the temporary measurement interruption are small e g due to obstructions in the medium The minimum number of functioning paths should therefore not be set too high 6 11 Dry weather flow configuration In principle deltawave only measures the flow when at least on path is surcharged properly with water In order to provide a flow value also in case of dry weather flow no paths surcharged properly deltawave is able to calculate the flow depending on the current water level For that you can define an individual discharge curve which you can get e g from your custome
59. e then put these values into the fields Min Switch Value Unit selected Type and Max Switch Value Unit selected Typ e Digital Output 1 Unit Digital Output 1 Digital Output Type Min Max Alarm in Flow in m3 s Min Switch Yalue Unit selected Type 9 56 Max Switch Value Unit selected Type 129 6 Counter Value for Type 2 io Invert Output Min Frequency Max Frequency Abbrechen changed Ed The following Min Max Min Max Alarms are available Flow Level Temperature Speed 6 7 5 Min Max Frequency Here you can define how many make and breaky cycles your digital outputs can maximal minimal do The default value 25 means that you get 25 cycles e g impulses per second Normally you should use the default value Please do not change this value without asking your systec dealer 52 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 6 8 Basic Settings Configuration In the Basic Settings menu area you set the basis for _ Basic Settings calculations and constants for flow measurement in Calculation Model mid section ka open channels or partly filled pipes The settings Friction Coefficient K RE have no influence on the measurement of filled pipes In the case of a pipe which is alternately filled MEET Rate Kar and partly filled calculations are performed with this Weight Factor KB calculation basis if the pipe is partly filled ISO 6416 Spline KR ip t
60. easuring points are selected in the section configuration 6 3 1 Section selection Select which section you wish to parameterise via the upper tab register up to 4 sections possible Section 1 Section 2 38 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Select the section by clicking the relevant tab The number of tabs depends on the number of selections selected See the chapter on Number of sections 6 3 2 Activation of individual acoustic paths to a section Section 1 ion 1 gt E 3 a 5 6 7 8 Show Path Parameter Acoustic paths are allocated to a section by clicking the individual path activation buttons Please note that a path can only be allocated to one section Blue means that the path is allocated to the current section Green means that the path has not yet been allocated to a section 6 3 3 Geometric definition of your conduit drain Drain Drain Type open channe Drain Form square Diameter Define Levels To calculate the correct flow rate deltawave has to know what your conduitlooks like The geometric form of the conduit is defined in the channel window For the channel type first select the kind of application There are four options to choose from Conduit Drain Type 6 3 3 1 not activated If this setting is chosen deltawave stops measuring 6 3 3 2 open channel Select this setting if you wish to measure a river or open
61. echnical output circuits please see Appendix 8 1 Connection plans for the pulse outputs 2 5 5 LAN interface Ethernet The LAN interface permits the integration of deltawave into Internet or Intranet The data logger memory and the deltawave parameter settings can also be accessed via the LAN interface and an ftp protocol Deltawave also has an integrated http server which contains various information For further information see the chapter 9 4 2 5 6 USB interface The USB interface Ver 1 permits the transfer of parameter data and data logger data upload Authorised updates can also be performed via the USB interface Compatible mass memory devices Memory stick hard disk drives can be plugged for this The deltawave USB manager comfortably guides the user through the operation A list of compatible USB mass memory devices is available from systec Controls For further information see the chapter 4 11 2 5 7 RS232 interface deltawave provides a serial interface See chapter 9 6 for set up the RS232 interface 10 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 3 Flow calculation deltawave can be configured with up to 16 acoustic paths and up to 2 water level measurements per section measuring point Up to 4 sections can be realised with one evaluation unit The configuration of a section measuring point is defined with a parameter set the parameter names appear in italics The def
62. eight the path length the path angle and the transmission frequency 42 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual After paths have been allocated to a section see chapter 6 3 2 these can be parameterised in the Show path parameter submenu Section 1 tivation E S 2 3 A Show Path Parameter Path 1 Unit Path 1 Sensor Type xXUW5 sy Expert Settings Path Elevation I m Path Length 7 4 m Path Angle 45 Grad Invert Path T Zero Offset g nsek Path Weight Path Ratio changed Please choose proper sensor type Sensor Type o Joo O Table 4 Selection of Transducers If your sensor type is not in the selection list you can also enter special parameters in the expert menu We recommend the use of the expert menu for trained service personnel only however The path elevation is the height of the sensor with reference to the settings in the channel definition In the example on the left the path heights are 0 31m 1 0m gag 1 45m and 1 95m Path 3 The following rules apply for the selection of path Path 2 heights in open channels or partly filled pipes Path 2 e All paths should be sufficiently covered at maximum level see minimum coverage for ultrasound converters Most paths should be sufficiently covered at normal level e f possible at least the lowest path should still be covered at the lowest level e The lowest level
63. eltawave s integrated webserver allows you to access via a web browser e g Internet Explorer Please put deltawave s IP address in the address bar of your browser e g http 192 168 1 99 The start screen will now show up see Picture 17 At the navigation bar on the left you have the possibility to switch language from German to English Dies it Frame le R Interne Expt rei s g y v e http 192 168 1 99 91 Goog p Google v PB suche o H Sr der Y Lesezeichen YW Rechtschreibpr fung gt Z anmelden Links ARAF S te r we oo 2 we wh SS Diese Seite e X auftrag bearbeiten Eo Ergebnisse has YouTube B rge Die Webseite ka ie fh O m v ia Seite iG Extras mefer rl c systec Controls Puchheim y WTROLS Home L Wilkommen bei deltawave Handbuch Sektionen Pfade Pfaddiagnose VO Karten Picture 17 Access deltawave via Webbrowser Mainly you see the same data as you can find on deltawave s display Please use navigation bar to switch through different sites systec Controls Mess und Regeltechnik GmbH 71 deltawave Technical Reference and User s Manual 9 4 3 Access via ftp server Alternatively of using a USB drive you can download data logger files or download upload parameter files from your deltawave accessing via ftp server You can also change deltawave s network settings see also 9 5 Via
64. ement and its precision is however in any case independent of the mean sound velocity An approximate value is therefore sufficient 54 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 6 10 Basic parameter configuration In the Basic Parameters menu area various settings concerning the section are made Basic Parameter Minimal Sensor Surcharge 992 Low Flow Cut Off g OOOO Low Level Cut Off 0 Temperature Offset 0 0 Damping standard Damping Time s 10 max Level 0 938 Path Substitution T min Number of funct Path 0 6 10 1 Minimal Sensor Surcharge To ensure that the runtime measurement works to the optimum the sensors should be sufficiently covered with fluid Recommend values are Table 5 Minimum surcharge of ultrasonic transducers 6 10 2 Low Flow Cut Off Flow rates lower in value than the value entered here in m3 s are set to zero If e g 0 02 is entered flow rates in the 0 02 0 02 range are set to zero 6 10 3 Low Level Cut Off All flows below this level are set to zero This prevents very small and therefore possibly erroneous level values being included in the calculation e g dirt effects when using pressure sensors installed on the channel floor systec Controls Mess und Regeltechnik GmbH 55 J substitut deltawave Technical Reference and User s Manual 6 10 4 Temperature offset Deltawave calculates the tem
65. f most paths are good and only one path stands out it can be assumed that this path was less well aligned and there is a parametrisation error or a hardware problem In this case please check the cabling the alignment and the correct connection of both ultrasound converters for this path If the measuring values for all paths bad and fluctuate strongly it is possible that either the application is not very suitable or that e g there is an EMC problem with strong electro magnetic interference In this case check whether your application is heavily loaded with solid material or gas If possible a measuring location can perhaps be selected at which the medium had more time to release gas To ensure the high EMC strength of the measurement the cable shield must be in contact with the housing This is easy to ascertain with the supplied cable screw connectors The cable shield must make firm contact with the ENC screw connector contact tabs The ultrasound converter cables should be kept as short as possible and may only be shortened in pairs to the same length To extend them RG 108 a U cables must be used and the shield must be cleanly extended at the extension location The cables must laid separately from power cables motors preferably in own earthed vacant pipes lf no measurement is possible with any path and all path diagnosis values are implausible a parametrisation error a hardware defect or a cabling error is the probable cause 5 1 5 The Main
66. g level value No acoustic path in the section is functioning any longer OR There is no path which is surcharged properly Please note If Manning Strickler is activated and the above conditions are fulfilled no section alarm is issued even if no covered path is functioning correctly 6 11 2 Using individual discharge curve If you want to implement your own discharge curve please mark the corresponding check box see Picture 15 Dry weather flow Define individual discharge 3 oe curve Use Manning Strickler s r equation Max Manning Level Picture 15 Using individual discharge curve Then press button Define Curve in order to enter the following sub menu 58 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual C Define individual discharge curve Level Parameter Level Count 3 Add Delete Level Meter 2 Flow m3 s 11 04 Save actual level values x Cancel changed Picture 16 Defining your individual discharge curve Here you can define up to 15 different sampling points One sampling point always consist of level and the corresponding flow The lowest point Om is already implemented you can not see it and is rated with a flow of 0 Sampling point L1 must always be at the lowest level L2 and the following must then have rising level values After entering values please always press the save button Flow values between two sampling points will be c
67. g normal O the path is deactivated because of low water level 1 the path is working without getting usable signals error 3 No measurement possible e g because of false parameters 10 the parameterized signal quality is being under run see chapter 6 12 2 20 the parameterized flow speed is being under run see chapter 6 12 3 21 the parameterized flow speed is being exceeded see chapter 6 12 3 22 the parameterized sound speed is being under run see chapter 6 12 1 23 the parameterized sound speed is being exceeded see chapter 6 12 1 e T1 T2 T1 and T2 are the ultrasound signal run times with or against the flow direction e dT dT is the runtime difference between both signals The runtime difference dT arises from the flow rate of the liquid e vs vS is the sound velocity of the medium calculated from T1 and the path length e vf vf is the mean flow rate of the path mean e MQ 30 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual MQ is the number of analysable measurements sec This figure depends on the number of active paths the path length and the quality of the signals If this value fluctuates strongly this indicates difficult measuring conditions MQ 0 means that no analysable signal was found in the current update cycle At constant MQ 0 you should check the cable cable break short circuit wrong terminals or check the correct parametrisation is the path really underw
68. gnal Quality 110 min Number of funct Path lo min Flow Speed 10 max Flow Speed 110 open channel changed Picture 12 Start screen of configuration of section 36 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Gerateparameter OPTIONS Aufzeichnen der Trendwerte WRITETRENDS 1 Picture 13 OPTIONS options for all configured sections If you press button options in the menu bar you can change some global parameters which are valid for all configured sections There are reasonable default settings and you normally do not have to change them Please change carefully or ask your systec dealer Just for the sake of completeness the option parameters are described shortly in this manual WRITTRENDS With this parameter you can activate deactivate the data logger 1 activated O deactivated We strongly recommend to activate it already default setting because data logger files can give useful hints in case of measurement errors PARALLEL With this parameter you can choose wether several ultrasonic boards MUS boards are working sequentially or parallel 1 parallel O sequential Default value is O which can be used for every configuration and is already the default value 1 can be choosen only in case you have different sites e g 3 different channels connected to your deltawave Then e g all 3 ultrasonic boards are working parallel which boost u
69. he Ultrasonic Transducers systec Controls produces a variety of different sensors which are fitted in different ways Please observe the separate instructions provided when connecting sensors Before the cables are connected the sensors and cables should be checked as follows 1 Measurement of the sensor s electrical resistance A multimeter with a measuring range of at least 30 MQ can be used for this The measurement should be performed directly at the sensor contact or as close to the sensor as possible If one of the sensors has a resistance of less than 20 MQ it is defective 2 Checking the sensor extension cable for short circuits and continuity a multimeter can also be used for this The wires should be checked individually for short circuits For the continuity check two wires each can short at one end The RG58 cables must be stripped to approx 25cm on the equipment side The braided shield can be shortened to some 2cm after the insulation The deltawave measuring transducer is supplied with special EMC cable screw connections The cable is fed into the housing so that the polyurethane insulation lies in the cable screw connector rubber seal and the braided shield makes housing contact with the EMC screw connection metal tongues Both approx 25cm long free cable inner conductors are now wound round the supplied ferrite ring four times and then connected to the ultrasound board 4 4 1 Connection in areas liable to contain explosive atmos
70. he parametrisation ders Tas u ey H ews C Analogue outputs 1 4 alla on terminals 9 12 and Sr 5 23 26 4 8 Connection to the digital outputs Ral papS Relays 1 and 2 on terminals 29 31 and 32 34 Digital outputs OC 1 and 2 on terminals 13 14 and 27 28 The lO board has two transitor digital outputs Digital output 1 is on terminals 13 and 14 digital output 2 on terminals 27 and 28 The connection for the relays is located on the separate 6 pole connector terminals 29 34 22 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 4 9 Using several I O boards Should the number of I O board inputs and outputs not be sufficient up to three I O boards can be installed in a deltawave The inputs and outputs are then numbered logically from left to right If e g two I O boards are installed in expansion slots C and D analogue inputs 1 8 are located on the board in expansion slot C analogue inputs 9 16 in expansion slot D the analogue and digital outputs and the relays are numbered similarly 4 10 Access to deltawave via Ethernet deltawave has a LAN interface and can be incorporated into an Ethernet via a HUB The deltawave parameter files can thus be loaded and edited via FTP In addition deltawave has an http server which permits display of the current measurement and diagnostic values in a browser e g Microsoft Internet Explorer Remote queries or
71. ical Reference and User s Manual In practice both coefficients Sman and nman can be very precisely calculated from the flow measurement at normal levels with ultrasound measuring Level and flow are stored in the deltawave data logger with sufficient levels and then both Manning Strickler coefficients for dry weather flow are calculated with a curve fit e g in Excel Please ask your systec dealer for making the curve fit The transferability of coefficients thus calculated on to the dry weather flow is very good at many measuring points 3 Single path interpolation If just one single ultrasound path is in operation or two intersecting paths the flow speed calculation is performed according to ISO 6416 For this a calibration factor is calculated from the relative path height path height hp total level h from which the mean speed can be calculated 4 Multiple path interpolation lf several paths or several intersecting paths are in operation the flow is calculated according to a multiple path interpolation Two flow equations are available the mean section method or the mid section method Both models are described in detail in ISO 6416 The standard method is the mid section method With this method deltawave forms sub segments calculates their mean speed and cross sectional area and integrates therefrom the total flow in cross section N Uppermost nth sub segment oe R R R LA ER EM Em KN Ermm Sub segment
72. in Max Frequency Basic Settings Configuration Medium Configuration Basic parameter configuration Minimal Sensor Surcharge Low Flow Cut Off Low Level Cut Off Temperature offset Damping Max level Path substitution Minimum number of func paths Dry weather flow configuration Using Manning Strickler s Equation Using individual discharge curve Signal plausibility Min and max velocity Min signal quality Min and max flow speed Creating the parameter file Installation of Ultrasonic Transducers 62 Contact 63 Appendix 64 Connection plans for the pulse outputs Technical Reference and User s Manual 64 Weighting of the paths with filled cross sections in accordance with ISO60041 66 Exerpt IEC41 Calculation of Flow with weighing factors Access to deltawave via Ethernet LAN Using Ethernet Cable Connection Access via http protocol deltawave s integrated webserver Access via ftp server deltawave s Network Configuration General Donwloading the File inittab Adjust the File Inittab Transferring File Inittab back to deltawave Troubleshooting The RS232 Interface General systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 9 6 2 Data which can be transferred via RS232 79 9 6 3 Definition of RS232 Fixed Setting 19 9 6 4 ASCII Output String 79 9 6 5 The Parameter File for Setting up the RS232 communication par 80 9 6 6 Uploading Parameter Fi
73. inition of a section measuring point includes in particular its geometric and hydraulic description the allocation of measuring card inputs and outputs for the section and the calculation settings The definition of a measuring path contains in particular the sensor position the path length the path angle and information on the sensor used 3 1 Calculation algorithms 3 1 1 In Partially filled filled conduits open channel mode Depending on the water level the sensor position and possible individual sensor pair malfunctions one of five different calculation processes is automatically selected 1 The outflow is set to 0 if the water level is below a certain value user input via Parametersoftware see chapter 6 10 2 The outflow is determined via the Manning Strickler equation if no path is working below a defined water level 3 If only one path is in operation the throughput is calculated according to single path integration 4 If several paths overflow the outflow is calculated according to the Mean Section Mid Section or Smart Section method user defined Both calculation criteria are described in ISO6416 5 When the pipe is full up deltawave automatically calculates according to the calculation model for filled pipes The calculation criterium for this is ISO60041 IEC41 1 The outflow is set to 0 If flow rates for low levels are not to be recorded this can be set by entering the LowLeve CutOff parameter
74. is an additional evaluation of signal plausibility see also chapter 6 12 which allows to filter out bad signals Using this option is only recommendable in case of difficulties with your measurement deltawave automatically measures signal run times upstream and downstream T1 T2 and the time difference dt see also chapter 5 1 4 deltawave also calculates the difference diff between T2 T1 and dt so formula is diff abs T2 T1 dt With CHECK DIFF you can define a range diff has to be into in order to use the measurement value as a valid value o Example Transducer frequency 500kHz ADC Sampling rate see 6 4 1 5 5 MHz CHECK_DIFF 105 1 5MHz 105 21 us micro seconds That means that every measurement value with a calculated difference diff greater than 21 us will be filtered out CHECK K2 For each path measurement there is calculated a parameter CHECK_K2 which can be also for evaluation of signal plausibility Example CHECK K2 80 gt Parameter K2 of each measurement has to be greater than 80000 in order to be used as valid measurement The parameter K2 is not shown on deltawave s display but is continuously stored in the data logger files Reading out data logger files gives you an idea of the size of K2 This gives you an indication of setting value of K2 e g if real K2 200000 you can set CHECK_K2 140 We recommend to ask your systec dealer before change K2 All following settings for the individual sections m
75. lable data in data logger files With the file name you can identify the date of contained data In the file name you find informations about date type e g section path Examples 2009 06 27 SECTION _01 dtrend gz Contains site data from section 1 from 27th of July 2009 2009 05 31 PATH _02 dtrend gz Contains path data of path 2 from 31st of May 2009 2007 12 24 IO 01 dtrend gz Contains I O data from 24th of December 2007 9 8 2 Unpack Data Logger Files In order to save memory data logger files are available in a packed format Before you can import them e g into Microsoft Excel you should unpack them with a standard packing software e g WinZip After unpack the files you can open them with a text editor and or import them into Windows programs see 88 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Adresse O Produkteideltawave Projekte W Wa_Hanny_M nden Trenddaten Wechseln zu Ordner Name Gr e Typ Ge ndert am Erstellt am Letzter Zugriff am Attribute Status BeA laa 2007_11_23_SECTION_01 dtrend 65KB DTREND Datei 24 11 2007 02 15 24 11 2007 02 15 31 05 2009 10 19 D Online sys D 2008_12_31_PATH_O1 dtrend 253 KB DTREND Datei 01 01 2009 02 08 01 01 2009 02 08 31 08 2009 10 19 4 Online SY3 Picture 31 Unpacked data logger files Example of unpacked Section and one path file we B ry j D BIL m Ih Gd K il ul amp lt 3
76. le communication par to deltawave 84 9 6 7 Downloading Parameter File communication par from deltawave 84 9 6 8 Downloading Data Files 85 9 7 deltawave display touchscreen Structure 85 9 8 Handling of Data Logger Files 87 9 8 1 Structure of Data Logger Files 87 9 8 2 Unpack Data Logger Files 88 9 8 3 Handling of Additional Data Logger Files 89 4 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 1 deltawave description The deltawave ultrasonic multimeter was developed specially for flow measurement of fluids in pipes drains and sewers with a width of 0 2m 100m Measurements can take place in pressurised pipes up to 100 bar and under highly variable levels 1 1 Measurement principle Measurement of the flow speed is carried out at several levels according to the ultrasonic transit time method principle time of flight A big advantage of the transit time method is the absolute determination of the mean flow rate between two fixed sensors This makes complicated and questionable calibrations unnecessary 1 2 Applicable Standards Partially Filled Conduits ISO 6416 Filled Conduits IEC41 ASME PTC 18 see 9 3 for excerpt from IEC41 1 3 Measurement Accuracy To prevent errors caused by sound velocity measurement of the medium to be measured both the duration difference and the absolute duration of the ultrasound signals are determined in the flow velocity calculation The achiev
77. ly at deltawave s display in the maintenance menu or by using a http command Please use this http command to activate your parameter file http IP address cgi bin cgimain cgi readparameter Example http 192 168 1 99 cgi bin cgimain cgi readparameter After activating a parameter file the measurement value will disappear for a short moment 9 5 deltawave s Network Configuration 9 5 1 General Default network settings are IP address see silver coloured label on deltawave enclosure 192 168 1 99 Subnet mask 255 255 0 0 Default Gateway 192 168 1 1 These default settings may have to change in order to integrate your deltawave into your network If possible please state required settings with your order To change settings on site please follow the following chapters or ask your systec dealer 9 5 2 Donwloading the File inittab The network settings can be changed in the file inittab which is saved on deltawave and can be downloaded by ftp access Please get connected with your deltawave via ftp server see also chapter 9 4 3 Please make sure that you use a cross link patch cable for direct connection e g via your PC The file inittab is saved in a directory which can be opened only with administrator login see Picture 21 So please log in with the login name user Please ask your systec dealer for proper password systec Controls Mess und Regeltechnik GmbH 75 deltawave Technical Reference and User s Manual G
78. meter selected maximum level 0 98 In this case the pipe is regarded as full from a level initial signal of 0 98 1 6m 1 568 m Entering a value is recommended for measuring points which are to calculate the flow rate in case of partial filling according to ISO 6416 partly filled pipes and in the case of complete filling according to ISO60041 IEC41 filled pipes This ensures that with pipes which are actually full but where too low a level is still measured which indicates only partial filling calculations are actually made according to the model for filled pipes and the associated precision 6 10 7 Path substitution This input value is only active with alternately filled or partially filled only if it actually filled or filled pipe filled channel channel types By checking the checkbox the path substitution is activated i e inoperative paths contribute to the flow rate calculation with a calculated value Path substitution means that the path velocity necessary for the flow rate calculation is still available after a path has stopped working This substituted flow rate can be calculated from the measuring data collected before the breakdown In concrete terms the relationship of the measured path flow rate to the overall mean channel flow rate is examined This relationship is entered separately for each path in the path parameter menu see chapter 6 4 Path configuration We recommend consulting our trained servic
79. must be a sufficient distance from the floor this is equal to the minimum coverage for the ultrasound converter e The distances between the levels should be chosen so that the measurement segments cover similar areas In many cases not all of the above rules can be fulfilled simultaneously A sensible compromise must then be sought systec Controls Mess und Regeltechnik GmbH 43 deltawave Technical Reference and User s Manual If crossed paths are installed see chapter 3 1 2 you have to enter equal values for path elevation in order to make sure that paths can be detected from deltawave as crossed paths even when real elevations are slightly different If you do not enter equal path elevations deltawave will not calculate with crossed paths but with two single paths In the case of installation in a filled pipe there are IN recommendations for the converter installation which are to be found in ISO 60041 The standard installation according to ISO 60041 for 4 single or 4 crossing paths is shown on the right In this case the weightings given in Appendix 9 2 for the individual paths are entered in the Path weight input field With a four path installation the weighting for the first lowermost 2 Per ER 54 path is for example 0 347855 4 VY The relation of the flow speed measured along the path to the 7 mee IAN A N X N N overall mean flow rate is entered under the Path relation button PN III NN NN
80. n of at least AWG 16 or 0 75mm should be used for the power supply The power supply should be suitably protected with safety cut outs min 1 8A The power supply cables are connected via an angled rubber connector supplied 16 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual ve deltawa m OE T RS232 8 B P S L Power supply AC connector included systec Controls Mess und Regeltechnik GmbH 17 deltawave Technical Reference and User s Manual 4 3 Ultrasonic board The multiple path ultrasound board permits the installation of up to four ultrasound converter pairs a total therefore of eight single ultrasound converters Deltawave can be fitted with up to three ultrasound boards it is therefore possible to connect a maximum of 12 ultrasound board pairs to a deltawave If more than one ultrasound board is installed in deltawave ultrasound paths 1 to 4 are located on the board installed furthest left e g the board in expansion slot A paths 5 to 8 on the next board and finally paths 9 to 12 The ultrasound board has six control LEDs in the upper aperture of the expansion slot The uppermost LED orange flashes during ultrasound measurement the second LED orange signals communication between the main computer and the ultrasound board After starting operation both LEDs flash alternately The following four green LEDs signal the adjacent s
81. n shots after input filtering Ideally both amplitudes also have similar values here in the range of 40 90 Significantly different amplitudes indicate strong signal interference gas bubbles or defective ultrasound converters e Ga Ga means Gain and indicates the required amplification of the signals which is normally regulated automatically see also 6 4 1 The value of gain depends on the type of transducers and on the path length Values higher than 210 could indicate a signal error misalignment of transducers echos high damping because of gas bubble e T T indicates the medium temperature This temperature is not measured directly but calculated out of the speed of sound of your medium which is calculated out of signal run times Speed of sound of also depends e g on salinity which of course can not be measured by deltawave So Temperature calculation may have a offset in case of high salinity which can be compensated by parameterisation see chapter 6 8 e E1 E2 Outward and return shot signal energy e E1F E2F Outward and return signal energy after input filtering systec Controls Mess und Regeltechnik GmbH 31 deltawave Technical Reference and User s Manual Due to its sophisticated evaluation deltawave can also evaluate weak and strongly interfered measuring values The different diagnosis parameters are especially meaningful if several paths of a section are compared with one another If the diagnosis parameters o
82. ncy Filter Low 1250000 Hz Frequency Filter H gh 1 200000 Hz Automatic Gain Control AGC iv Signal Min 1600 Signal Max 1 800 Manual Gain 190 Maximum Gain 200 Correlation Quality 80 DO Cal Factor 1 Sample Rate 4096 Activate CutOff T CutOff Trigger Samples before CutOff Samples after CutOff CutOff Filter 6 4 1 1 Auto Window To receive the ultrasound signals deltawave opens the predicted signal reception time according to an internally calculated signal run time This depends amongst other things on the mean temperature and consistence Since these parameters can change under certain circumstances it is possible to automatically adapt the time of reception to the mean conditions This happens with the Auto Window Parameter As a rule the reception window is however large enough to carry changed mean conditions without having to activate Auto Window systec Controls Mess und Regeltechnik GmbH 45 deltawave Technical Reference and User s Manual 6 4 1 2 Sensor delay The sensor delay is a measurement for the ultrasound converter inertia i e a very small time difference arises between applying the control voltage and the emission of the wanted signal This is set here The default value 4 usec should not be altered 6 4 1 3 Send sequence The Send sequence indicates the signal coding 753000 means that there is a phase change of 180 after seven oscillations Five further oscillations follow and a
83. nry Brickwork channels normal Normal good rubble masonry hewn stones Rough rubble masonry stones only roughly hewn Broken stone walls rendered embankments with sand and gravel floor Concrete Smooth cement finish Concete using steel forms Smooth rendering Smoothed concrete Good formwork smooth undamaged rendering smooth concrete Concrete produced with wood formwork without rendering Compressed concrete with smooth surface Old concrete uneven surfaces Concrete shells with 150 200 kg cement per md depending on age and type Rough concrete lining Uneven concrete surfaces Wooden New smooth channel Planed well jointed boards Unplaned boards Older wooden channel Metal Smooth pipes with countersunk rivet heads New cast iron pipes Riveted pipes rivet not countersunk overlapped several times in the circumference Natual Natural riverbeds with firm floor without irregularities 40 Natural riverbeds with moderate bed load 33 35 Natural riverbeds weed infested 30 35 Natural riverbeds with rubble and irregularities 30 Natural riverbeds strong bed load 28 Wild streams with rough rubble head sized stones with resting bed load 25 28 Wild streams with rough rubble with moving bed load 19 22 Table 1 roughness coefficients for different channel materials e Sman The energy drop slope can be calculated from the channel gradient Sman h l 12 systec Controls Mess und Regeltechnik GmbH deltawave Techn
84. nts sampling point editor lf your measuring point has a cross sectional form which is not circular pipe you must enter the geometric form for deltawave as a level width table The individual level width points are designated as sampling points If you selected the rectangular channel type deltawave connects the sampling points with straight lines If you selected the Round over spline channel type deltawave draws an organic curve through the individual sampling points see the following example 40 systec Controls Mess und Regeltechnik GmbH Technical Reference and User s Manual Sampling point 3 Height 4m width 4m deltawave Sampling point 2 Height 0 5m width 4m Sampling point 1 Height Om width 3m Example for the definition of a rectangular channel with three sampling points Level m s h2 ps ps hir 2 pos H Ka ALLS S mm mm mm ee N Ka Ka Ka K Ka EFA K K K me a EEN Ka p K E E Fans R C GEN m Kamel a m W Gem Kamm E K K K K E RFA K ee gt o EA Ka Ka Ka Ka K E K SS m e 0 0 L T T Se N K K KN KM K K KN K K ee a en Example for the definition of a non rectangular channel using 6 sampling points Please note for the outflow calculation it does not matter whether the channel is mirror symmetrical or not Non mirror symmetrical channel forms are entered in the same way as mirror symmetrical ones The sampling points are entered in the Secti
85. nzip Datei 17 06 2009 05 29 Picture 20 deltawave s ftp server directory of day by day data The additional downsized data logger files which can stored optionally as unpacked csv files see chapter 9 6 8 can be found in the directory mnt ide comm How to handle the data logger is shown in chapter 9 8 9 4 3 2 Downloading Uploading of Parameter Files For downloading uploading you can simply use a USB drive as describe in chapter 4 11 1 As an alternative you can use the ftp server The parameter files site set up file parameter par or if required RS232 set up file communication par are saved in the directory mnt flash1 parameter Parameter files can not be opened or changed directly on the ftp server Please always copy files to your local hard disc for editing Then you can copy it back to deltawave We recommend to back up the files before editing Parameter files have to be activated after transferring them to deltawave This can be done either directly on the deltawave display in the maintenance menu or by http see chapter 9 4 3 3 For creating a parameter files please also see chapter 6 parameter file for site or chapter 9 6 5 parameter file for set up RS232 interface 74 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 9 4 3 3 Activating Parameter Files via http Parameter files have to be activated after transferring them to deltawave This can be done direct
86. on The average flow rate arises from the measured individual rates taking into account a position dependent weighting factor The optimum positions for the ultrasonic transducers are stated in the IEC41 and suitable weighting factors are to be found in the chapter 9 2 3 2 Water level measurement Exact water level measurement is decisive for precise flow rate measurement in an open channel or partly filled pipe For safety reasons up to two independent water level measurements can therefore be allocated to each section In normal operation the average of the two level measurements is calculated If one of the level measurements should fail the second measurement is used In this case an alarm relay can also be switched see chapter 6 for parameterization systec Controls Mess und Regeltechnik GmbH 15 deltawave Technical Reference and User s Manual 4 Installation of the electronic unit The measuring device should be fitted vertically on a wall or a mounting To guarantee stability the load bearing capacity should not be less than 30 kg The location should be chosen so that the evaluation unit is not more than 100m from the measuring point as the cables are limited in length systec Controls should be consulted about larger distances The converter cables can be extended in principle We recommend a RG58 Triaxial cable as an extension The cable insulation must be suitable for the operating location When extending cables car
87. on Drain Form submenu The rectangular channel depicted above is entered in the following window 41 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Section Drain Form E Level Count 6 one Liste Show Drain Form 6 Width 1 2 3 2 7 Width 2 8 wor 127 Width 2 9 Elevation in Meter 85 7 Width 1 2 0 8 1 8 Width 1 pae 0 7 Width 25 Width in Meter Save Current Yalues NA x OK Cancel changed The minimum number of sampling points is two by pressing the Add button you can add further sampling points max 128 Sampling point L1 must always be at the lowest level L2 and the following must then have rising level values The channel must therefore be defined from the bottom up To edit the sampling points mark them with a mouse click and then enter the level and width values in the two text fields on the right By pressing the Save current values button you confirm your entries With the Show Drain form button you can check your entries graphically Please bear in mind that the display always shows rectangular symmetrical channels the depiction of spline connected sampling points is not possible in the parameterising software 6 4 Path configuration After the definition of the channel form the path parameters must be path length entered After a path has been activated these are in particular the installation h
88. p the measurement rate MQ see 5 1 4 Please DO NOT choose parallel in case you have several boards for one site e g 8 path measurement for one pipe In that case the paths of the different boards might influence each other and create signal problems FASTI2C 1 signal scans see chapter 5 1 3 are read with high speed O signal scans are read with regular speed default TIMESLOT systec Controls Mess und Regeltechnik GmbH 37 deltawave Technical Reference and User s Manual Only applicable when PARALLEL O see above TIMESLOT gives the available measuring time per ultrasonic board in milliseconds 1000 means that each board gets 1 second to measure then this second is apportioned to connected paths one paths can then make several measurements per second before next board is activated o Example 1 3 boards TIMESLOT 1000 Each board have 1 second 1000 ms for measuring Then next board is activated So each board measures for 1 second and doesn t measure for 2 seconds in that 2 seconds the other boards are measuring o Example 2 3 boards TIMESLOT 333 Each board have 0 33 seconds 333ms for measuring This will decrease the number of possible measurements for each path MQ see chapter 5 1 4 but will increase the measurement rate for each board Here board 1 measures for 0 33 seconds and doesn t measure for 0 66 seconds during that 0 66seconds the other two boards are activated CHECK_DIFF This parameter
89. perature of the medium from the measured sound velocity This calculated temperature can deviate from the actual temperature through calibration errors or natural transducer imprecision This offset can be corrected by means of this input value The calculated temperature is an additional value which is calculated and can used e g by analog output An offset of temperature does not influence the flow measurement and therefore should be only corrected by input an offset value in case the temperature signal should be use 6 10 5 Damping deltawave provides two damping functions for the flow measuring smoothing the standard damping and Smartdamp The standard damping is damping of the first order T63 the corresponding time is entered in seconds in the Damping Time window Damping value between 10 and 60 seconds have to be found reasonable for the most measurements Smartdamp is an intelligent damping strategy which rapidly reconstructs volatile measuring value changes but still leads to good measuring values with natural measuring value fluctuations Higher damping values lead to stronger measuring value smoothing lower damping values lead to faster reactions 6 10 6 Max level This input is only active for alternately filled or partly filled or full pipe full channel channel types The value set here represents the initial level value from which the pipe as regarded as full Example selected channel type filled pipe with 1 6 m dia
90. pheres Work in areas liable to contain explosive atmospheres is to be carried out exclusively by trained staff Before starting work a check must be made that no explosive atmospheres or fluids are present at the measuring point Approval should be obtained from the works security service Ultrasound converters which carry the designation are available for installation in areas liable to contain explosive atmospheres The ultrasound converters are protected by encapsulation EExm It is recommended that the transducer cable be fed out of the potentially explosive area and the measuring transducer hung up outside the potentially explosive area If the sensor cables are too short they can be extended within the potentially explosive area the cable join should be inside a protective housing with increased safety EExe During installation works the power cable and the ultrasound board connector should be disconnected from the measurement transducer systec Controls Mess und Regeltechnik GmbH 19 deltawave Technical Reference and User s Manual 4 5 WO board The I O board offers a series of analogue and digital inputs and outputs The I O board can be installed in any expansion slot A D If required up to two I O boards can be mounted Unlike the ultrasound board the I O board has a third six pole connector contacts 29 34 for both change over relays V ne Connector 29 below 34 above Connector 15 below 28 above Conne
91. r or you can use the well know formula Manning Strickler 6 11 1 Using Manning Strickler s Equation Please activate use Manning Strickler s equation Please put the maximum level until Manning Strickler s equation is used in the corresponding input field If you put e g 2 into the input field then deltawave calculates the flow using Manning Strickler s equation just when the level doesn t exceed 2m if level exceeds 2m and there is still no surcharged paths or no path with valid signals you do not get flow value Max Manning Level could be e g the channel height Dry weather flow Define individual discharge curve Use Manning Strickler s ange equation v Values Max Manning Level 2 Then press button Change Values to enter the following sub menu systec Controls Mess und Regeltechnik GmbH 57 deltawave Technical Reference and User s Manual Manning Strickler _ Abflussgleichung Manning Strickler Friction Coefficient 122 Energy Slope 0 01 i i In the Manning Strickler sub menu the necessary constants for the q h flow equation are entered rawness coefficient and energy drop slope are to be found in the chapter 2 and Table 1 deltawave uses the q h equation according to Manning Strickler if the following conditions are fulfilled see also chapter 3 1 Calculation algorithms The Use Manning Strickler option must be selected The measured level is below the set max Mannin
92. rally the higher the number of samples the greater the reception window and thus the probability of finding the signal On the other hand a large number of samples also needs more computer power which reduces the number of individual measurements per second The higher the medium s parameter fluctuations see also temperature the greater the number of samples selected should be As a rule setting 2048 suffices 6 4 1 16 Activate Cut Off This function suppresses the influence of signal echoes which for example arise due to reflection at the surface Interference of measurement by echoes is rare and the CutOff function does not normally need to be activated The function works thus a certain range before and after the wanted signal is cut off and signal echoes which normally appear behind the actual wanted signal due to the higher runtime then disappear If activated further settings must be also be undertaken see chapter 6 4 1 1 ff 6 4 1 17 _CutOff trigger The amplitude threshold is set here which signals the start of the wanted signal to the system This threshold value is relative to the maximum amplitude of the current received signal A value around 50 is recommended 6 4 1 18 Samples before Cut Off Here the number of sample values is determined which lie before the CutOff triggering and are not cut off A default value of 50 is set here 6 4 1 19 Samples after Cut Off Here the number of samples are determined
93. ration of boards deltawave is a variable measurement system The measuring transducer has four expansion slots which can be variably fitted with measuring boards The ultrasonic board for connection up to 4 paths board MUS and the in out board I O board are currently available deltawave recognises plugged boards automatically plug and play and makes the hardware available for use There are a series of rules to be observed when inserting expansion boards e A maximum of 3 MUS can be fitted 12 paths e A maximum of 3 I O boards can be fitted e The numbering for inputs and outputs is ascending from left to right If e g expansion slots A and B are fitted with MUS paths 1 4 are located at expansion slot A paths 5 8 at expansion slot B if expansion slots C and D are fitted with I O boards analogue inputs 1 8 are at expansion slot C analogue inputs 9 16 at expansion slot D Workplace preparation Boards may exclusively be fitted or removed at a dry clean and anti static workplace Switch off deltawave at the main switch Remove the power and measuring plugs from the measuring transducer Open the housing lid and loosen the four screws marked with this symbol Lf Carefully lift the housing base out of the housing and lay it on a clean smooth surface with the display facing downwards Break the removable panels out of the housing base The breakout edges should be protected from corrosion with a suitable white metallic paint
94. renewed phase change of 180 The last three oscillations then follow An emitted signal in this example therefore consists of 15 oscillations sensible sequences 753000 53300 322000 see Picture 14 6 4 1 4 Frequency The ultrasound converter transmission frequency is set here This is pre defined by the hardware and should not be altered 6 4 1 5 ADC The sampling frequency of the analogue digital conversion is set here A sampling frequency ten times the signal frequency has proven itself in practice This is pre defined as default 6 4 1 6 Frequency Filter Low The signal is filtered before further processing to reduce the influence of external sources of interference The lower filter frequency is set here This should be significantly smaller than the signal frequency The default value should be altered upwards only in case of high EMC load Please keep a distance of some 20 of the signal frequency from the signal frequency 6 4 1 7 Frequency Filter High The upper filter frequency is entered here This should be significantly larger than the signal frequency The default value should be altered downwards only in case of high EMC load Please keep a distance of some 20 of the signal frequency from the signal frequency 6 4 1 8 Automatic Gain Control AGC The Automatic Gain Control AGC causes the signal amplification to adapt automatically to changing medium conditions The signal amplitude is thus immediately automatically
95. ring transducer available under normal operation can be reached from the START screen Generally all menus especially the displayed sizes and units of the various displays can be adapted to the user s requirements The factory pre defined menus demonstrate however all important sizes the pre defined units are SI units Menu customisation is explained in the chapter Customising the menus 5 1 1 The sections menu The measuring point measured variables are displayed in the sections Menu When several sections are operated at one measuring transducer several section menus are displayed when the All button is pressed If several sections exist the menus of the further sections can be displayed via the Forward and Back buttons The measured variables displayed are in particular the outflow the totalled outflow totaliser the level and the mean flow rate 5 1 1 1 Section Alarm You can parameterize a section alarm see chapter 6 7 If there is a section alarm you will get a 1 at the display 5 1 1 2 Section Status This parameter shows you the number of sufficiently surcharged paths which provides valid measurements If you have 4 paths which are sufficiently surcharged this value should be 4 If you have e g only 3 in that example you know that there is a measurement problem with one path Please then check diagnostic data in the path menu see chapter 5 1 4 systec Controls Mess und Regeltechnik GmbH 29 deltawave Technical Referen
96. see chapter 5 1 5 Please save your file communication par at your USB drive in the directory parameter upload see Picture 27 Files communication par and parameter par can be transferred independently from each other Adresse E parameter upload Ordner x Name Gr e Typ Ge ndert am 5 communication par OKB PAR Datei 27 08 2009 12 03 2 Desktop S B Eigene Dateien parameter par DKB PAR Datei 27 08 2009 12 03 2 Arbeitsplatz Sw Festplatte C NEU D e Wechseldatentrager E CO parameter download OD upload Picture 27 Transferring a parameter file to deltawave using USB drive Alternatively you can transfer parameter files also by ftp file transfer Please save your files in the directory mnt flash1 parameter Please see chapter 9 4 3 for accessing ftp server 9 6 7 Downloading Parameter File communication par from deltawave Downloading a communication par file follows the same principle as downloading a parameter par file for site set up Please see also chapter 4 11 3 After downloading it by using USB drive you will find the communication par and also the parameter par at your USB drive in the directory parameter download seePicture 28 Files communication par and parameter par can be transferred independently from each other Adresse E parameter download Ordner x Name Gr e Typ Ge ndert am 2 Desktop parameter par 12 KB PAR Datei 30 03 2009 12 20 DJ Eigene D
97. see chapter 9 6 8 how to download this additional data Each file contains the site data of one week in csv format Format of files YYYY WW_sec csv YYYY Year e g 2009 WW week e g 23 sec indication of section e g sec1 section1 sec2 section2 Example 2009 11 sec This file contains data from section 1 site of week 11 of 2009 systec Controls Mess und Regeltechnik GmbH 89 deltawave Technical Reference and User s Manual You can directly export your additional data logger files csv files to standard office applications Picture 33 shows you an example of data exported to Microsoft Excel The data stored in the csv files can be adjusted see chapter 9 6 1 start date time Q m3 s YOL m3 h m v m s end 2 TMT 06 09 2009 00 00 07 65 37 96962166 3 476 1 66 END 3 TMT 06 09 2009 00 00 13 65 38 90962632 3 477 1 55 END 4 TMT 06 09 2009 00 00 24 65 325 98963280 3 474 1 55 END 5 TMT 06 09 2009 00 00 33 65 325 98963072 3 474 1 68 END 6 TMT 06 09 2009 00 00 45 65 526 99964520 3 474 1 66 END Z TMT 06 09 2009 00 00 53 65 322 98965240 3 474 1 66 END 8 TMT 06 09 2009 00 01 04 65 347 90965896 3 475 1 55 END 9 TMT 06 09 2009 00 01 13 65 325 98966460 3 474 1 66 END 10 TMT 06 09 2009 00 01 23 65 419 98967200 3 475 1 66 END 11 TMT 06 09 2009 00 01 34 65 526 98967056 3 474 1 68 END 12 TMT 06 09 2009 00 01 43 65 324 98965440 3 474 1 68 END 13 TMT 06 09 2009 00 01 53 65 595 98969096 3 477 1 66 END 14
98. t regulations The system can be converted to run on batteries A variety of sensor forms and materials permit use under heavy mechanical load and in aggressive media with pH values from 3 5 to 10 systec Controls Mess und Regeltechnik GmbH deltawave 2 Specifications 2 1 Sensors Temperature range operating temperature ambient temperature Pressure range depending on model Water quality pH Solid materials Frequency range Sensor power 2 2 Evaluation unit Power supply evaluation unit Temperature range Ambient Temperature With heating Dimensions Weight Protection class Power Consumption 2 2 1 Acoustic path Technical Reference and User s Manual 0 C to 50 C 18 C to 65 C see datasheets 3 5 to 10 O to 2000 ppm duration 200kHz 2MHz approx 90Vpp 100 to 240VAC 90 Hz to 60 Hz 1 8A 24 VDC alternative 20 C to 60 C 40 C to 60 C 300 x 400 x 210 mm wxhxd 9 kg IP 65 alternatively Eexd see chapter 4 2 Up to 12 16 if no I O board required paths distributed across up to 4 measuring points depending on the number of ultrasonic boards 4 paths board Standard range 0 2m to 40m Extended Range on request up to 150m 2 2 2 Analoque inputs for water level sensors The system provides 4 analogue inputs per I O board to which independent water level sensors can be connected Input range with 100Q resistance 4 mA to 20 mA Maximum resistance 2900 Maximum rel
99. tage of this setup is that it does not require any external power source Active 2 In this proposal the pulse output is switched actively If your evaluation unit needs more current than in the Active 1 proposal you can increase the current with an NPN transistor In this case you need an external power source You may need a base compensating resistor In this case you have a positive pulse i e no current flows in idle mode and no current is applied If the pulse is emitted by deltawave current flows Passive 1 In this example the pulse output is switched passively For this switching you require an external power source Connect your evaluation unit positive input to the positive pole of the power source and the negative pole of the pulse output to the positive pole of the pulse output Connect the negative pole of the pulse output to the negative pole of the external power source The transistor in deltawave is a photo relay a component similar to an optical coupler This has the advantage that your evaluation unit is galvanically separated from the deltawave Please note that the maximum current for the photo relay is limited to 100 mA You may have to connect a resistor in series to your evaluation unit 64 systec Controls Mess und Regeltechnik GmbH Ihre YY Auswerteeinheit ext 24V x Ihre Z y Auswerteenheit k NPN Transistor m et 24 VN e C AN Ihre Z Auswerteanheit T D N
100. tenance Menu Freshly transferred parameter files can be activated here Click the Load new parameters button The new parameter file is now active In addition to that you can reset the counter for accumulated flow and shutdown reboot your deltawave 5 2 Menu Customisation The individual menus can be completely freely customised The variables to be displayed can be selected as well as the font font size mantissa unit language etc it is possible to tie in or remove lines buttons graphics etc The individual page layouts are stored on deltawave as ASCII files in directory mnt flash1 layout Please see chapter 9 4 3 for file transfer via ftp The layout files should only be altered by trained personnel or your deltawave dealer How to edit the layout files is explained in a separate document Faulty layout files can endanger system stability 5 3 Using the LAN interface The LAN interface permits access to deltawave via the Internet Intranet or directly with a PC For remote queries via Internet or Intranet deltawave can be integrated into your network via a HUB To access the LAN interface directly with a PC you need a patch cable cross link Requesting the address http your IP address is to be found on the deltawave type plate a website is displayed which gives a series of information about deltawave In particular the current measuring values for the individual paths and the diagnosis parameters can be retrieved here
101. the theoretical velocities of sound Reasonable minimum maximum values for water could for example be 1350 1600 6 12 2 Min signal quality A lower limit value for the signal quality SQ can be defined in the min signal quality input field The signal quality consists of the signal to noise ratio and the signal energy and amplitude values Values between 30 and 100 indicate good signal transmission Values less than 10 indicate difficult measuring conditions or temporary disruptions A value between 25 and 70 is recommended We recommend to start with a lower level and then check values for SQ for each path see chapter 5 1 4 This will give you an idea of typical values for SQ at your site Then you can put these values with a safety distance of about 10 in your parameterization 6 12 3 Min and max flow speed The individual path flow rates are balanced out to a mean overall flow rate for the measuring point Limit values are defined in the minimum and maximum flow rate input fields within which the calculated sound velocity must lie in order for the overall flow rate to be regarded as valid If you have an idea of the expected minimum and maximum flow rates please enter these values in the corresponding fields 60 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 6 13 Creating the parameter file max Velocity 5000 min Signal Quality 0 min Flow Speed 79 max Flow Spee
102. tore your new parameter file in the directory parameter upload As soon as a compatible memory stick with a parameter file is inserted into deltawave deltawave recognises this file and offers to load the new parameter file on the touch screen see chapter 9 7 for display menus Follow the instructions on the deltawave touch screen systec Controls Mess und Regeltechnik GmbH 23 deltawave Technical Reference and User s Manual WARNING before transferring a parameter file create a parameter directory with a sub directory upload on the memory stick To transfer a new parameter file to the deltawave please store it in the upload directory WARNING Do not remove the memory stick or switch off the power supply before reading and writing tasks on the memory stick have been fully completed 4 11 2 Activating a transferred parameter file After transferring a parameter file to the deltawave see chapter 4 11 1 the parameter file must be activated See chapter 5 1 5 4 11 3 Downloading an active parameter file from deltawave to USB memory stick You can call up the current active parameter file from the deltawave with a USB stick Insert the USB stick into the deltawave and select the menu item Parameters from deltawave The files parameter par and communication par if applicable is now located on your USB stick in the parameter download directory and can be edited by using e g the deltawave parameter editor see chapter 6 for parameteri
103. tring 20 5 1f Format of flow value LEVEL Header for level Variable Range default Description Cis SHOW 0 1 1 Value of level will be included in ASCII string O Value of level will not be included FORMAT String 20 5 1f Format of value of level VELOCITY Header for velocity Variable Range default Description gt Z o SHOW 0 1 1 Value of velocity will be included in ASCII string O Value of velocity will not be included FORMAT String 20 5 1f Format of value of velocity TEMPERATURE Header for temperature Variable Range default Description Description S O SHOW 0 1 1 Value of temperature will be included in ASCII string O Value of temperature will not be included FORMAT String 20 5 1f Format of value of temperature Uptime Header for uptime uptime time starting from last reboot systec Controls Mess und Regeltechnik GmbH 81 deltawave Technical Reference and User s Manual Variable Range default Description O Z gt Z S O SHOW 0 1 1 Value of uptime will be included in ASCII string O Value of uptime will not be included FORMAT String 20 Format of value of uptime AREA Header for hydraulic area Variable Range default Description SHOW 0 1 1 Value of hydraulic area will be included in ASCII string O Value of hydraulic area will not be included FORMAT String 20 5 1f Format of value of hydraulic area LEVEL ABOVE SEA Header for level above sea this val
104. u can set the minimum and maximum switching frequencies for the digital outputs in the Min frequency and Max frequency input fields The maximum value for the relay outputs transistor outputs should not exceed 25 250 A maximum value of 25 means for example that a maximum of 25 count values per second can be issued As a rule it is however not necessary to change the default values 6 7 1 Constant Values Select constant off or constant on in order to get constant output values e g for testing signal transfer to PLC 6 7 2 Counter Impulses You can use digital outputs to count flow You can define how many m3 a impulse should represent by putting this value into the input field counter value for Type 2 If you put e g 10 into that field you get one impulse at your output for every 10m3 x Out 1 Digital Output 1 Unit Digital Output 1 Digital Output Type Counter Impulse in m3 Min Switch Value Unit selected Type Max Switch Value Unit selected Type Counter Yalue for Type 2 10 0 Invert Output M Min Frequency 1 Max Frequency 125 changed 6 7 3 Section Alarm The section alarm signalize a general error of measurement That means you get a section alarm when all requirements for measurement are fulfilled e g surcharged transducers but there is still no valid measurement You get section alarm if Defined minimum number of working paths is under run see chapter 6 10 8 f you have sufficiently surcharged
105. ue indicates the absolute value only Mexico Wertebereich defalt Description 7 SHOW 0 1 1 Value will be included in ASCII string O Value will not be included Format FORMAT String 20 5 1f Format SPEED USE Not applicable please do not change Wert Wertebereich default Description SHOW 00 FORMAT __ String 20 1 o O SPEED Not applicable please do not change Wert Wertebereich default Description SHOW o To S f O FORMAT String 20 M5 ALARM Header for Alarm Alarm means alarm of section Wertebereich default Description SHOW 0 1 1 Value will be included in ASCII string O Value will not be included FORMAT String 20 Format o Status Header for status of section Wertebereich default Description Description S O SHOW 0 1 1 Value will be included in ASCII string 0 Value will not be included format FORMAT String 20 format 9 6 5 3 communication par Example Picture 26 shows an example of a communication par file 82 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual GENERAL INTERVAL 10 SERIAL_OUT 1 LOGFILE 1 WEEK_NUMBERING 2 MAX _NROFWEEKS_LOG 26 SECTION_1 ACTIVE 1 SHOW 0 NAME SECTION_1 SECTION_2 ACTIVE 0 SHOW 1 NAME Test 2 SECTION_3 ACTIVE 0 SHOW 1 NAME Test 3 SECTION_4 ACTIVE 0 SHOW 1 NAME Test 4 SECTION_5 ACTIVE 0 SHOW 1 NAME Test5 SECTION_6 ACTIVE 0
106. upply voltages During normal operation all four LEDs should be illuminated aan Control LEDs Transducer connector terminals 45 16 17 18 19 20 2 a OPE UR ei v EUR L R DE EEE 099 u When installing the ultrasound converter pairs there is an upstream sensor code U and the downstream sensor code D The position results from the arrangement in relation to the flow direction Number Path 3 UP 3U Path 1 UP 1U Path 3 UP 3U Path 1 UP 1U Bart Earth Earth Path 3 DOWN 3D Path 1 DOWN 1D Path 3 DOWN 3D Path 1 DOWN 1D Earth Earth Path 4 UP 4U 15 16 Era 18 19 20 Earth 21 0 f Path2UP 2U 8 Path 4 UP 4U 220 9 Earth 230 240 250 Earth O O 28 Earth S 1 27 Ean o 28 Earth o 5 6 T 8 9 0 1 2 3 4 5 6 T 8 N 1 1 1 1 1 2 2 2 2 2 2 2 2 2 With multiple path installations it is recommended that Path 1 is installed as the bottom path and the following paths then from bottom to top with subsequent numbering 18 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual If you install several ultrasonic boards path 1 4 will be located on board 1 slot A path 5 8 on board 2 Slot B path 9 12 on board 3 Slot C and if applicable path 13 16 on board 4 Slot D Please see chapter 6 3 2 to see how to allocate paths to different sites by parameter software 4 4 Connecting t
107. upstream and downstream at an angie 9 relative to the axis of the conduit scc Figure J1 Angles from 45 to 75 have shown to be satisfactory for the acoustic discharge mcasurcment methods J4 1 If there are no transverse flow components in the conduit and if the time delays referred to in J3 are taken into account the transit time of an acoustic pulse is given by u L Cc E7 cosp where L is the distance in the fluid between the transducer faces c is the sonic specd in the fluid at the operating conditions p is the angle between the axis of the conduit and the acoustic path H is the axial Now velocity averaged over distance L e 1 for signals travelling downstream e 1 for signals travelling upstream 68 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual Resins 411 Since the transducers are fi PPO ae a ean Are generally used both as transmitters and receivers the differen ce in tra D DH with the same pair of transducers Thus the mean axial velocity er te EE given by S a REPLY a Le c zey k AA u PA 7 Ra C 8 1 208 wea A Sagan Sehr Y R P ver ar inet y ka paar at 21 Ra a S ea 2cosp t t Dcosp Fa fu 2 DEEN v i ni H NN E Ae Ri are the transit times or f encies of i a a Hated Se en u Br nag an acoustic pulse travelling downstream and upstream respectively ba c Perr ore id en em s g m i
108. xample it is an MUS board Please make sure that board is properly fit to both mounting bars Picture 8 Remove or Plug in Board here MUS board systec Controls Mess und Regeltechnik GmbH 27 deltawave Technical Reference and User s Manual If plugging in a new board please make sure that board is connect properly and evenly to connector Aa E Picture Plug in new board Please mount both supports to rack in order to avoid later loosening of boards Picture 10 Mount supports Please put rack back to enclosure and fix it with 4 srews Please also fix the grounding conductor Picture 11 Fix all screws 28 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 5 Programming and operation This chapter deals with the commissioning and operation of deltawave 5 1 Operation Normally deltawave is operated via the comfortable graphic touch screen Please see chapter 9 7 for overview over different display menues The various displays can be changed and functions performed by pressing the buttons shown there After loading deltawave approx 15 sec after switching on the power supply deltawave automatically enters measuring mode and shows the START screen please see chapter 9 7 for overview of display menus 17 05 05 16 45 Maintenance This START screen is reached again and again from the various displays by pressing the START button All sub menus in the measu
109. xial flow velocity averaged along the path i as calculated from measured transit times E is the number of acogstic paths in onc plane c 15 a Correction coefficient which i i i i riens accounts for the crror introduced by the integration technique chosen and the shape of the 0 defincs angular location of the end of path relative to D sec Figure J2 systec Controls Mess und Regeltechnik GmbH 69 deltawave Technical Reference and User s Manual es ot enh Te Sen f top rere lt if ult of 75 integration techniques to integrate over scctions of different fi DG r rE uscd One can demonstrate that when applying for instance method to ea seei on the yalue of the correction coefficient k is 0 994 and when lt tangular er value liche 1 000 Conversely when applying the Gauss Jacobi u far section no co ion Coellicient is required Le L EEA EVAO Of lis 1 094 gt T 000 and when it is applied to EN EZ The Gauss Legenc Ir and the Gauss Jacobi quadrature integration method ahs G a S aan gra S meet the requirements of Re a proper determination of the discharge For a four path Jarrangcment ited locatic of E paths the weighting coefficients and the correction coefficients for the SD Legendre dre and Gauss Jacobi quadrature integration methods arc as follows ese ae eher S L I TABLE J1 Gauss Legendre method Paths land 4 Ar Eo 0 347855 0 652145
110. y or passively with micro switches see the chapter 4 5 Input signals smaller than the start of the measurement range and larger than 21mA are evaluated as defective 2 5 2 Analogue outputs systec Controls Mess und Regeltechnik GmbH 9 deltawave Technical Reference and User s Manual The assigned variable is represented by a 4 20 mA standard signal at the active analogue outputs The output can be assigned to the outflow the mean flow rate the water temperature or various variables dependent on it The measuring ranges can be freely configured by entering the full measuring scale If a variable is evaluated as defective the analogue signal is reset to lt 3 6 mA For values outside the full measuring scale the output assumes the relevant extreme value 3 84 or 20 5mA 2 5 3 Relay outputs The existing relays two per I O board can be assigned to the various sections and variables The relays have both an NC and an NO connection Functions such as the exceeding or falling short of outflow water level or outflow total limit values or malfunction alarm can be allocated to the relays For further information see the chapter 6 7 setting up digital outputs 2 5 4 Pulse outputs The existing pulse outputs two per I O board can be assigned to the various sections and variables Functions such as metering pulse or throughput can be allocated to the pulse outputs For further information see the chapter 6 7 For the possible electro t
111. yte Winzip Datei 22 01 2009 00 00 E ig etc ED 2008_ 12_01_SECTION_01 dtrend gz 73 Byte Winzip Datei 22 01 2009 00 00 lib ED 2003_01_22_1O_01 dtrend gz 122 Byte Winzip Datei 17 03 2009 19 46 E l lost Found ED 2009_01_22 PATH_O1 dtrend gz 417 Byte Winzip Datei 17 03 2009 19 46 a bt ED 2009_01_22_PATH_02 dtrend gz 416 Byte WinZip Datei 17 03 2009 19 46 3 G flashi ED 2009_01_22_PATH_03 dtrend gz 423 Byte WinZip Datei 17 03 2009 19 46 F a e flash2 ED 2009_01_22_PATH_04 dtrend gz 414 Byte Winzip Datei 17 03 2009 19 46 e flash3 ED 2009_01_22_5ECTION_01 dtrend gz 73Byte WinZip Datei 17 03 2009 19 52 A ide ED 2009_03_17_10_01 dtrend gz 3 24KB Winzip Datei 18 03 2009 00 08 F log ED 2009_03_17_PATH_01 dtrend gz 3 583 EB Winzip Datei 18 03 2009 00 08 a 3 lost found ET 2009_03_17_PATH_02 dtrend gz 3 81 KB WinZip Datei 18 03 2009 00 08 e en E 2009_03_17_PATH_03 dtrend gz 3 76KB wWinzip Datei 13 03 2009 00 08 amp trenddaten ET 2009_03_17_PATH_04 dtrend gz 4 17KB Winzip Datei 18 03 2009 00 09 8 dtrend ETD 2009_03_17_SECTION_01 dtrend gz 5 56KB Winzip Datei 18 03 2009 00 09 a strend ET 2009_03_17_SECTION_02 dtrend gz 5 70KB WinZip Datei 18 03 2009 00 09 E Er mstick ED 2009_03_17_SECTION_03 dtrend gz 577 KB Winzip Datei 18 03 2009 00 09 E proc D 2009_03_17_SECTION_04 dtrend gz 5 85KB Winzip Datei 15 03 2009 00 09 amp ae ED 2009_03_18_10_01 dtrend gz 11 1 KB wWinzip Datei 17 06 2009 08 29 E l tmp ED 2009_03_18_PA
112. zation 4 11 4 Reading out the data logger If you insert an empty compatible memory stick into deltawave deltawave offers to download the data logger data on to the memory stick trend gt USB Stick button If the capacity of the memory stick is smaller than the size of the data log files deltawave stores the newest data logger data Simply follow the instructions on the touch screen Reading out large quantities of data can take several minutes WARNING Do not remove the memory stick or switch off the power supply before reading and writing tasks on the memory stick have been fully completed How to handle downloaded data logger files please see chapter 9 8 4 11 5 Performing updates and upgrades Special memory sticks are available from systec for performing firmware updates These are specially licensed and work only after successful authorisation and for individual serial numbers A special update program is started when an update memory stick is inserted Simply follow the instructions on the touch screen WARNING Do not remove the memory stick or switch off the power supply before the update or upgrade has been completed Premature removal or switching off can result in non function of the deltawave In this case the firmware may have to be re installed at the factory 24 systec Controls Mess und Regeltechnik GmbH deltawave Technical Reference and User s Manual 4 12 Installation and removal of electronic boards reconfigu

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