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Data registration 

 Ammonit GmbH / 2005 - 2009 

27 

3.2.1.  Frequency distribution of the wind speed 

The frequency distribution indicates how often a certain wind speed occurs. The 
Data Logger provides 29 wind classes each 1m/s wide. The upper class 
contains all averaging above 28 m/s wind speed You get these values as 
relative frequency in % for the whole measurement period. This provides the 
analytically basis for determining the energy content of the wind and also for the 
so-called Weibull distribution which is occasionally used to characterise wind 
sites. 

The following graph represents an example of frequency distribution of wind 
speed. This graph - as well as further pictures shown in this manual - is drawn 
with the evaluation software "ALWIN for Windows" (copyright Deutsches 
Windenergie-Institut and Ammonit ). 

 

 

ALWIN "imports" the measurement data of a Data Logger directly to your PC. 
Above picture shows the frequency distribution as diagram. ALWIN calculates 
the parameter for Rayleigh- and Weibull distribution from the measurement data 
(see above curves in the diagram). And it links the data with the power curves of 
various wind energy converters. Thus, you get a prognosis of the energy yield, 
but keep in mind to consider further influences as hub height and air density. 

 

 

Содержание METEO-32

Страница 1: ...measuring wind power WICOM 32 Data Logger Datenlogger Series 32 METEO 32X METEO 32 www ammonit com...

Страница 2: ...me In the event of inappropriate use or mechanical or electrical overloading we provide no warranty We accept no liability for any form of consequential damage The right to make alterations is reserve...

Страница 3: ...ion and data security meet the requirements of professional specialists But the ease of use means that even beginners can handle the Data Logger successfully Read the manual carefully before installat...

Страница 4: ...s 19 2 8 Ultrasonic anemometer 19 2 9 External sensor power supply 20 2 10 The Xtend inputs 20 2 11 Internal measurements 21 2 12 External signal converters 21 2 13 Logger cascading 22 3 Data registra...

Страница 5: ...er SMR 32 4 Data Logger and PC 35 4 1 Software CALLaOLOG02 35 5 Warnings 45 6 Remote monitoring with GSM 47 7 Energy supply 51 7 1 Battery supply 51 7 2 Connecting to an external power supply 52 7 3 S...

Страница 6: ...The different types of logger series 32 differ only in the number of input channels i e the three connection sockets of the WICOM 32 are identical to those of the METEO 32 and METEO 32X So it is very...

Страница 7: ...max deviation approx 1 minute month Powered by standard 9V block batteries lithium type optional Socket for external 10 26 V DC supply Separate supply for wind sensors with overload cut out GSM optio...

Страница 8: ...ir temperature 1 x air pressure 1 x global irradiation 1 x precipitation sensor supply Socket 3 Wind 12 pin 3 x Wind strength 2 x Wind direction Sensor supply Socket 2 Supply 5 pin External supply Swi...

Страница 9: ...and as the system starts it shows A Am mm mo on ni it t B Be er rl li in n C Co ol ld d S St ta ar rt t The Data Logger now begins a Cold start i e the pre set parameters are checked and loaded The di...

Страница 10: ...k the system during installation and maintenance On site you only need to check the system is operational and start measurement simply by pushing a button There is no need to expose sensitive equipmen...

Страница 11: ...and display of connection status etc Digital Control Display and manual control of the digital switching output Statistics Output of the wind data statistics as required for wind energy predictions Re...

Страница 12: ...e system A new measurement is shown by the brief appearance of a star in the first line of the display Note that only activated Input Channels will be displayed and the measurements will be updated at...

Страница 13: ...again then the error report will be repeated Display Down Up Number Warning 1 Warning 2 Etc GSM Modem The Data Logger can be equipped with a GSM System so that data can be downloaded and remote check...

Страница 14: ...can be switched on or off manually Display Down Up OFF Pin is open ON Pin is GND Statistics The wind statistics required for energy applications can be read off the display and noted In the first line...

Страница 15: ...involves pressing the buttons in a specific sequence in order to prevent unintended or unauthorised deletion of data Display Down Up reset Reset REset etc until the display shows RESET RESET Look out...

Страница 16: ...the form of a linear equation with a gradient and an intercept at 0 m s v a I b v Wind speed a Gradient of characteristic I Pulse rate b Intercept of characteristic The parameters are entered with th...

Страница 17: ...n 1 steps f rom 1 360 measured clockwise V Va an ne e1 1 3 34 42 2 Any implausible measurement values are documented as 777 The directional data is stored in 1 degree steps Mean values are calculated...

Страница 18: ...yg gr ro o 4 45 5 The relative humidity values are stored in 2 4 Air pressure These inputs are only available for the METEO versions A barometric sensor can be attached with an active analog output su...

Страница 19: ...y shows the global radiation in W m P Py yr ra an no o 9 92 26 6 W W m m2 2 The global radiation values are stored in W m 2 6 Precipitation sensor These inputs are only available for the METEO version...

Страница 20: ...0 5 mV Rain 0 1000 Hz 0 1 Hz 2 8 Ultrasonic anemometer All Ammonit Data loggers can be used in combination with meteorological ultrasound sensors from Gill Instruments for wind measurements These high...

Страница 21: ...nt at the end of each storage interval These sensors can therefore be connected to the switched power supply Pin 5 of the Meteo socket which significantly reduces the operating current Note that in th...

Страница 22: ...eceive signals in usual forms such as frequencies or analog voltages However adapted input modules may be needed for special tasks for example high resolution temperature measurements require PT100 el...

Страница 23: ...r Settings Address Number of the Slave Logger s Register Number of the required channel Speed 1 1 Speed 2 2 etc The Slave logger is cascaded via the RS485 interface and the parameters must be set as u...

Страница 24: ...presents the measured quantity as a function of time Within the data logger these signals are converted to numerial values in certain regular intervals controlled by an internal real time clock These...

Страница 25: ...vided into blocks Each block encompasses one day the system automatically inserts a block mark after midnight Each block mark has a time code assigned to it After the entire memory is allocated the ol...

Страница 26: ...can values Product delivers log interval in seconds Using CALLaLOG software to transfer data converts the time code into time and date at the beginning of each line The data for one log interval is di...

Страница 27: ...years in certain areas of application such as wind energy utilization a number of standard procedures have been developed for characterizing local wind regimes with just a few statistical values and t...

Страница 28: ...racterise wind sites The following graph represents an example of frequency distribution of wind speed This graph as well as further pictures shown in this manual is drawn with the evaluation software...

Страница 29: ...ou get the average wind speed and the frequency distribution of the wind direction as well as the mean wind speed for the resp sector measured with anemometer no 1 Graph in ALWIN The left part of the...

Страница 30: ...at which the following statistic was created here 3 February 2003 00 00 o clock at midnight The following output show the number of previous measurements than avarage and maximum wind speed of the fir...

Страница 31: ...he values S2 ave and S2 max as well as the frequency distribution of the second anemometer follow Now the output of the current statistic block is finished 3 2 4 Data format in PC The data is stored A...

Страница 32: ...distribution of wind direction and wind speed distribution for each sector ID character for wind rose No of sektor Mean wind speed v r 0 31 53 0 1 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Absolute frequenc...

Страница 33: ...statistical data the data will only be transferred when called up Various events can trigger the signal which starts measurements An individual wind speed 1 above the pre set threshold value A mean va...

Страница 34: ...any time by sending the message E The data is stored in text files in a separate directory At the start of every file a line specifies the time when the start signal was received The number of columns...

Страница 35: ...Ammonit Data Logger Manual 34 Ammonit GmbH 2005 2009...

Страница 36: ...ed its own interface and a separate inquiry time All projects with user defined measurement systems can be supervised with this software fast and clearly Commonly used settings can be access over a Bu...

Страница 37: ...ve c with a directory c ammonit If this directory is not present it will be automatically created during the installation of CALLaLOG2002 If you already have a version of CALLaLOG2002 installed on you...

Страница 38: ...mbH 2005 2009 37 2 Creating a new client with Projects and Loggers The WELCOME screen Select Create new Client and enter a name of your choice Select new project and or new site logger from the menu a...

Страница 39: ...asily access your previous configuration 3 Using the WINDOWS TAPI Interface or the serial interface The WINDOWS TAPI Interface allows you to connect to the data logger The necessary settings can be ma...

Страница 40: ...x or alternately via modem and transmits the password After successful connection the other buttons are activated too You can close the connection by selecting disconnect at any time Selecting a diffe...

Страница 41: ...nt tabsheet to access the directories in which you have stored your data Access via a network is also possible b The Project Click on a project symbol or on a button of the Client tabsheet to select a...

Страница 42: ...long to this project Click on a logger symbol to gain direct access to the data from that logger c Site Logger This is a highlight The most frequently used commands can be accessed directly via a butt...

Страница 43: ...f the data your sensors are currently producing 6 Using the Settings screen The Settings screen shows the key settings of the chosen Data Logger It is accessed using the Settings button in the menu of...

Страница 44: ...ogger via the button alongside Password In order to avoid unwanted alteration of the password it is necessary to confirm any change Click on Password and enter the new password You then have access to...

Страница 45: ...al channels The data from the Logger such as means maximums and standard deviations The generation of the measurement and storage intervals The calibration data gradient slope and intercept offset Giv...

Страница 46: ...n an impulse for the past 12 hours An anemometer has measured a value above 65 m s A wind vane has not reported a value for the past 12 hours A wind vane reports the error code 777 A rel humidity meas...

Страница 47: ...Ammonit Data Logger Manual 46 Ammonit GmbH 2005 2009...

Страница 48: ...the modem is connected the logger must be configured with two important entries about the supplied software The PIN number of the data card if one is necessary A time of day when the measuring statio...

Страница 49: ...own on the display SQ Signal quality over a range from 0 no signal to 31 max G GS SM M M Mo od de em m S SQ Q2 21 1 T Te el le ec co om m An incoming call is marked by the symbol G GS SM M M Mo od de...

Страница 50: ...the Data Logger O resp O Activate deactivate warning messages by mobile phone SMS W resp W To set GSM settings on 02 00 09 00 14 00 21 00 Period of the activation at a time 1 hour D Deactivate GSM mo...

Страница 51: ...Value Speed2 9 8S3 Value Speed3 358D1 352D2 Value Direction1 Direction2 22 0 Ti Logger internal temperature 12 4Vx Voltage of external supply 7 0Vbl 8 8Vbr Voltage of internal battery left right W 1 O...

Страница 52: ...you should always have batteries in the logger as a back up in case of loss of power from the external supply Exchange the batteries at regular intervals before measurements are lost Take care when ch...

Страница 53: ...cting to an external power supply Any external DC power supply with a maximum of 26V may be connected Should there be a regular power socket in the vicinity of the measuring site a standard transforme...

Страница 54: ...ced by 20 The angle of installation should be at least 60 to the horizontal This can also help to ensure that the module is kept clear of snow ice or debris Steel cabinet option solar power supply Amm...

Страница 55: ...rably when the scan interval is less than 5 seconds The additional consumption that the interface needs during data read out is not considered You can neglect this consumption if you don t use the int...

Страница 56: ...eded for the Ammonit GSM systems so that remains available for other uses Automatically as long as the SMR registers data configuration in SMR window Using this function a wind alarm system can be cre...

Страница 57: ...Ammonit Data Logger Manual 56 Ammonit GmbH 2005 2009...

Страница 58: ...which contains the time continuous measurement data and stored values The receiver filters the required information out of this stream of data A converter installed directly at the Logger can also pro...

Страница 59: ...OG and choose RS485 Options Connect Settings RS485 Options Enable Wind Display output Select wind data channel 1 or 2 and upload new configuration Setting up the Windtracker Press and hold ENTER and S...

Страница 60: ...vate the Desiccant in an air flow Dryer at 90 C If it is filled into desiccant bags you can apply the same regeneration process but the number of regeneration cycles is limited to 2 3 After ending a l...

Страница 61: ...You see the text factory settings on the display then You can release the Select button the factory settings are loaded ATTENTION As mentioned this action clears all data within the data logger there...

Страница 62: ...Annex Ammonit GmbH 2005 2009 61 10 Annex Technical Data WICOM 32 Pin assignment METEO 32 Pin assignment METEO 32X Pin assignment Connecting sockets of the Data Logger Chart wire ident code...

Страница 63: ...E Block 6LR61 PP3 can be replaced by Lithium batteries External DC 10 24 Volt Power consumption Standby approx 0 5 mA between the measurements Meas Operation approx 45 mA Temperature range Meas Opera...

Страница 64: ...Variable DC Voltage Meas range 0 V 1230 mV Resolution 0 1 K Air pressure probe Number 1 air pressure Variable DC Voltage Meas range 0 V 5000 mV Resolution 1 hPa Rain Number 1 Rain Variable Pulses Mea...

Страница 65: ...time clock Accuracy 10 ppm at ambient temperature 20 C 25 ppm a temperature range of 30 60 C Backup Battery 3V Lithium Button Cells CR2032 approx 180 230mAh Operation period approx 10 years Display A...

Страница 66: ...85 A 5 RS 485 B Pin Wind A Signal input wind speed 1 B Signal input wind speed 2 C Signal input wind speed 3 D Wind direction 1 Potentiometer end E West E Wind direction 1 Potentiometer start a East F...

Страница 67: ...10 V 24 V 4 RS 485 A 5 RS 485 B Pin Wind A Signal input wind speed 1 B Signal input wind speed 2 C Signal input wind speed 3 D Wind direction 1 Potentiometer end E West E Wind direction 1 Potentiomet...

Страница 68: ...it GmbH 2005 2009 67 Pin Meteo 1 Rel humidity 0 V 1230 mV 2 Air temperature 0 V 1230 mV 3 Air pressure 0 V 5000 mV 4 Analog Volt 1 0 1 2V DC 5 Switched external supply max 24 VDC 6 Signal input rain 7...

Страница 69: ...l supply 10 V 24 V 4 RS 485 A 5 RS 485 B Pin Wind A Signal input wind speed 1 B Signal input wind speed 2 C Signal input wind speed 3 D Wind direction 1 Potentiometer end E West E Wind direction 1 Pot...

Страница 70: ...00 mV 4 Analog Volt 1 0 1 2V DC 5 Switched external supply max 24 VDC 6 Signal input rain 7 Ground GND Pin Xtend 1 12 bit ADC 1 0 1200 mV 2 12 bit ADC 2 0 1200 mV 3 12 bit ADC 3 0 1200 mV 4 12 bit ADC...

Страница 71: ...Ammonit Data Logger Manual 70 Ammonit GmbH 2005 2009 Connecting sockets of the Data Logger 1 plug Data Plan view Data Logger 2 plug Supply Plan view Data Logger...

Страница 72: ...Annex Ammonit GmbH 2005 2009 71 3 plug Wind Plan view Data Logger 4 plug Meteo Plan view Data Logger...

Страница 73: ...Ammonit Data Logger Manual 72 Ammonit GmbH 2005 2009 4 plug Xtend Plan view Data Logger...

Страница 74: ...co 2 B bn Braun brown marr n 3 C gn Gr n green verde 4 D ge Gelb yellow amarillo 5 E gr Grau grey gris 6 F rs Rosa pink color de rosa 7 G bl Blau blue azul 8 H rt Rot red rojo 9 J sw Schwarz black neg...

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