HD2003-HD2003.1 Three-Axis Ultrasonic
Contents
1. 1 4 Operating Modes The HD2003 has four operating modes RS232 Serial Communication Mode Chap 3 2 A connection over a RS232 Serial line is established between a Host Computer and one HD2003 Anemometer The Host Computer Slave is continuously receiving on its RS232 serial port Output Data digital strings which are automatically supplied by HD2003 Master with its own frequency configurable at a cadence from 1 to 3600s In this mode the Setup user interface can be managed from the computer RS485 Multidrop Communication Mode Chap 3 3 A RS485 Multidrop network can be established between a Host Computer and several HD2003 Anemometers up to 32 The Host Computer Master sends a command to the univocal address of a HD2003 Slave Only the Anemometer which is identified by that address answers on request giving the Output Data In this mode the command to activate the Setup user interface is available Digital High Frequency Mode Chap 3 2 3 11 and Chap 3 3 2 3 When on RS232 Serial communication mode the Digital High Frequency functioning can be set up obtaining the digital output in RS232 of quantities at a fixed frequency of 50 Hz with a baud rate 115200 and for 4 measurement quantities at most When on RS485 Multidrop communication mode a command for activating the Digital High frequency can be sent Then any command for requiring a measurement can be sent to the HD2003 up to a maximum frequency of 502. 1 m s Meters per second 2 cm s Centimetres per second 3 km h Kilometres per hour 4 knots Knots 5 mph Miles per hour Esc Exit Enter Save m s Sel From the Menu you select the unit for SoW and consequently for SoS U V W and SUV By typing a number chosen from Menu items the corresponding unit of measurement will be displayed For example by typing 3 km h will appear After selecting the desired unit press to enable the Anemometer to the new unit of measurement this unit will be stored permanently until a new configuration is given m s Factory Default 3 2 3 8 Sonic Transducer Heating This function is provided on request and refers just to HD2003 R and HD2003 1R models supplied with sonic transducer heating circuit The climatic conditions which make it necessary to use the heaters option are indicated in Chapter 1 2 1 Typed Character Heating How to enable the sonic transducer heating circuit Screen page Sel 8 Y Enable Heat y n You can enable by typing M or M or disable by typing Mor Y Factory Default the circuit which controls the sonic transducer heating in severe climatic conditions Heating prevents ice formation or the deposit of sleet snow on sonic transducers guaranteeing their correct functioning 3 2 3 9 RS232 Serial or RS485 Multidrop Communication Mode Typed Character COMM Mode How to select RS232 Serial or RS485 Multidrop Communication Mode Scre
3. HD2003 R Three Axis Ultrasonic Anemometer with internal sensors of Temperature Pressure Relative Humidity with Heaters Option HD2003 1 Three Axis Ultrasonic Anemometer HD2003 1R Three Axis Ultrasonic Anemometer with Heaters Option CP2003 5 Cable 8mm length 5m and 26 pole shielded watertight plug only on one end CP2003 10 Cable D 8mm length 10m and 26 pole shielded watertight plug only on one end CP2003 C 26 pole watertight plug Tyco 62IN 16A 16 26S 4 0445 for plug pin see Fig 1 HD2003 Connector Besides please specify if you want e HD2003 Model additional output quantities to be used through external sensors with analog output signal 0 1V You are kindly required to specify the number of sensors to be used up to two and their engineering range to be linearized on the 0 1V scale e HD2003 1 Model additional output quantities to be used through external sensors with analog output signal 0 1V You are kindly required to specify the number of sensors to be used up to five and their engineering range to be linearized on the 0 1V scale 214 mm 659 mm Earthing screw Connector TT D 33 mm E E E Support pole 40 mm Orientation A n Orientation B Free positioning Compass direct reading ca from HD2003 0 0 0 1 R 160mm Y U HD2003 Ultrasonic Anemometer Drawing DWG1HD2003 A A E E lt t N Y E E 5 w Earthing screw Conne
4. temperature HD9009TR pressure HD9408T relative humidity HD9009TR Rack Data Logger 5 Analog Outputs 0 20 mA 4 20mA or 0 1V 0 5V 0 10V 1 5V Power supply 12 30 Vdc 6W With Heaters Fig 1 HD2003 Connector Multipolar cable 5m 10m and plug 26 pole Panel connector 26 pole CONNECTOR Connector Label Symbol Description H PWR Negative Power Supply J PWR Negative Power Supply G PWR Positive Power Supply K PWR Positive Power Supply F DATA Pole B RS485 W DATA Pole A RS485 X SG Ground RS232 Y TXD Tx data RS232 L RXD Rx data RS232 E OUTVI Analog Out voltage 1 V OUTV2 Analog Out voltage 2 c OUTV3 Analog Out voltage 3 Z OUTV4 Analog Out voltage 4 M OUTVS Analog Out voltage 5 D REF Analog ground U OUTmAI Analog Out current 1 b OUTmA2 Analog Out current 2 a OUTmA3 Analog Out current 3 N OUTmA4 Analog Out current 4 C OUTMAS Analog Out current 5 T QO Reserved S Ql Reserved P Q2 Reserved B Q3 Reserved A Q4 Reserved R SHIELD Shielding 4 How to Order When ordering you should specify the Order Code according to the type of Anemometer and the desired cable and or plug 4 1 Order codes Order Code Description HD2003 Three Axis Ultrasonic Anemometer with internal sensors of Temperature Pressure Relative Humidity
5. 3 2 3 by typing B from the Main Menu the following screen page will display Sel L Path Len cm LevFrw LevRet 4 Internal Calibration 1 1424 554 557 Hr Heating 2 14 15 560 560 Chap 3 2 3 8 Gain 3 14 10 550 554 Minimum Threshold Chap 3 2 3 2 Chap 9 2 3 T B a Analog Output Identicode ID Gain Heating Thresh Analog Output Chap 5255 Chop 3 2 3 10 1 10000 Y 20 0 1V Output Quantities 9 TR i Chop 3 2 3 6 Output Quantity Speed of sound Sonic temperature q0 q1 q2 compass U V W Speed of Wind Azimuth Elevation Errors Average Interval Chap 3 2 3 4 Average Interval 2 min Transmission frequency Chap 3 2 3 11 Output Rate 1 sec Unit of Measurement Wind Units m s Chap 3 2 3 7 Press any key Here are summarized the values set by the factory calibration as well as the current configuration of the main parameters that can be managed by the user in Setup Press any key to go back to the Main Menu 3 3 RS485 Multidrop Communication Mode 3 3 1 Parameter Setup From the Host Computer start an RS485 communication program able to Chap 3 3 2 Transmit commands in agreement with the HD2003 Communication Protocol towards the Anemometers of the RS485 Multidrop network Display and record the data and menu pages received from the queried Anemometers The Computer Host must have an RS485 serial interface Alternatively use an RS232 RS485 converter to be placed between the RS232 ser
6. Chapter 3 2 3 9 The Setup user interface is available in both modes 3 2 RS232 Serial Communication Mode 3 2 1 Parameter Setup From the Host Computer open a serial communication program such as Hyper Terminal or DeltaMet8u By using Hyper Terminal select and set up the following Menus e Port Configuration Bit per second HD2003 baud rate 19200 Factory Default see Chapter 3 2 3 1 Data bit 8 Parity None Stop bit 2 Flow Control None e Settings Terminal Setup Rows Set the number of rows at 24 e Settings ASCII Setup Select Echo typed characters locally Connect power supply and RS232 as shown in Chapters 2 4 1 and 2 4 2 After the power supply of the instrument has been switched on the HD2003 will enter the autoranging mode for a few seconds and then it will work in Measuring mode and automatically supply the Output Data which can be displayed on Hyper Terminal On the computer keyboard press the character f to enter Setup mode 3 2 2 Measuring mode While in Measuring mode the HD2003 Anemometer transmits the digital strings of Output Data each one in a separate line of ASCII characters which correspond to the last measurement at an emission frequency and an average interval which may be configured in the Setup Chap 3 2 3 The quantities to be represented in Output Data are selected in Setup mode up to 15 Each quantity s measured value is formatted into 8 ASCII characters ri
7. Humidity Compass with magnetic azimuth m s cm s km h knots mph 0 60 m s 216 km h 0 01 m s 1 of reading Azimuth 0 360 Elevation 60 0 1 xe 300 380 m s 0 01 m s t 196 of reading 40 60 C 0 1 C t1 C 0 360 0 1 1 1 60 sec 1 60 min 60Hz Anemometric output quantities and compass HD2003 Model Pressure Temperature Relative Humidity RS232 full duplex RS485 Multidrop half duplex 9600 115200 bit sec Normal mode Slow 1 3600 sec Digital High Frequency Fast fixed 1 50s 5 to be selected from all the output quantities available anemometric compass meteo 0 20 mA 4 20 mA 0 1V 0 5V 0 10V 1 5V 14 bits max 12 30 Vdc lt 2W Typically 110mA 15Vdc lt 6W Models with heaters and environment temperature not lower than 10 C Heaters Option On request when placing the order Heating with automatic temperature control on sonic transducers to prevent ice and snow formation and ensure a correct functioning even when sleeting or snowing Weight HD2003 2 1 Kg HD2003 1 15Kg Environmental Conditions Temperature Range 40 60 C EMC CE Regulations Precipitation Operation ensured up to 300mm hr Humidity 0 100 RH The HD2003 application fields are continuously developing thus Delta Ohm reserves the right to change the above mentioned specifications without prior notice 1 6 Temperature Relative Humidity Pressure
8. be at least 10 times the relevant height 2 3 Alignment see Drawing DWG1HD2003 page 35 Orientation A If the HD2003 is rotated on its vertical axis it can be fixed in any other angular position The HD2003 built in magnetoresistive sensor allows to automatically refer angular measurements to Magnetic North independently of its position Orientation B The HD2003 is connected to a computer in RS232 Serial or RS485 Multidrop communication mode Chap 3 2 and Chap 3 3 Then the HD2003 is rotated on its vertical axis until the measurement of the compass shows 0 0 0 1 on the serial communication program of the computer This Orientation B ensures greater precision in angular measurements and U V W Cartesian components of wind speed correspond to cardinal points V direction North U direction East W direction Instrument Vertical Axis In order to refer angular measurements to Geographical North you should consider the Magnetic Declination error which is to be algebraically summed to Magnetic North Once the alignment is finished tighten the clamp which fixes the Anemometer to the mounting mast With strong magnetic fields for example radio or telephone antennas are in the same installation the automatic calculation of the azimuth angle may be independent from the compass meaurement In order to do it make an RS232 serial connection Chapter 2 4 2 and if you press on the keyboard of the Host computer when
9. devices are allowed to give back to the Distributor or Manufacturer the used device at the time of purchasing a new one The illegal disposing of electric and electronic devices is punished by a pecuniary administrative penalty This guarantee must be sent together with the instrument to our service centre N B Guarantee is valid only if coupon has been correctly filled in all details Instrument type HD2003 O HD2003 1 Serial number RENEWALS Date Date Inspector Inspector Date Date Inspector Inspector Date Date Inspector Inspector CE CE CONFORMITY Safety EN61000 4 2 EN61010 1 LEVEL 3 NY Electrostatic discharge EN61000 4 2 LEVEL 3 QS Electric fast transients EN61000 4 4 LEVEL 3 Voltage variations EN61000 4 11 RoH Electromagnetic interference susceptibility 1EC1000 4 3 2002 95 E Electromagnetic interference emission EN55020 class B
10. peculiar characters CR Carriage Return lt LF gt Line Feed Output Data It is the digital string of all formatted measuring data available for RS232 and RS485 Serial communication interfaces 1 2 Models The code HD2003 mentioned in this manual refers to both models HD2003 HD2003 1 They represent the same kind of Anemometer except for the fact that the HD2003 has the following built in sensors Temperature Relative Humidity and Pressure in order to measure these additional output quantities When necessary the difference between the two models is unequivocally underlined 1 2 1 Heaters Option The HD2003 is guaranteed to function in temperatures as low as 20 C if ice or snow is absent without any heating circuits for sonic transducers Temperature conditions below 20 C or temperatures around 0 C when snowing or ice possibly forms on the transducers prevent the HD2003 from functioning correctly making the use of the heaters option essential The heating circuit intervenes at temperatures below 5 C with a minimum additional power of 4W with temperature no lower than 10 C preventing the formation of ice and ensuring that the HD2003 functions correctly even during sleet or snow The models equipped with the heaters option are named with the additional letter R HD2003R HD2003 1R 1 3 Features The HD2003 main features are Determination of anemometric quantities with different units of measur
11. speeds range for Analog Outputs Screen page gt Analog Output 1 mA V Ranges 2 Speed Ranges Esc Exit Sel By typing mA V Ranges How to select the analog range The screen page displays Ranges 1 0 20 mA 2 4 20 mA 3 0 1V 4 0 5V 5 0 10 V 6 1 5 V Esc Exit Enter Save 3 Sel After selecting the number from Menu items which corresponds to the desired analog range press to enable the five Anemometer Analog Outputs to provide a voltage current signal in the selected range 0 1V Factory Default For instance if you type B i e you choose 4 20mA range and one of the Analog Outputs is combined with azimuth 0 360 Chap 3 2 3 6 the reciprocity scale is established between current available as Analog Output and engineering values referring to the azimuth 0 gt 4mA 360 gt 20mA By typing 2 Speed Ranges How to set the engineering range for wind speeds available for Analog Outputs The following screen page for range setup appears Sel 2 60 m s U V W 0 to 60 m s SoW SUV F S Range 10to 60 Set a positive number in m s between 10 and 60 which represents the F S on the scale of measurement for SoW and SUV starting from zero it also represents the extreme limits on the symmetrical scale of measurement for U V W components Type the digits of the desired number according to the range displayed on the screen 60m s Factory Default and then pre
12. to 60 The interval value should be set between 1 and 60 2 Factory Default for calculating the moving average The moving average is the average calculated by the samples acquiring in the last time interval equivalent to the set period in seconds or minutes Averages can be calculated over a period from 1 to 60 seconds or from 1 to 60 minutes The moving average is calculated on the U V W and SoS components and consequently on all the other anemometric quantities resulting from them and for all the remaining output quantities HD2003 Model Pressure Temperature Relative Humidity In substance all quantities chosen as Output Data in RS232 or RS485 as well as those chosen as Analog Outputs are supplied by the HD2003 with values that represent the average calculated on the last time interval The magnetic azimuth provided by the compass is excluded from moving averages Type the digits of the desired number according to the range displayed on the screen and then press ENTER After choosing the average interval the instrument automatically sets its Internal Refresh Chap 1 1 The Internal Refresh is equal to 1s if you choose the interval in seconds if you choose it in minutes it is equal to as many seconds as the minutes chosen for example an average interval of 10min corresponds to an Internal Refresh each 10sec 3 2 3 5 Analog Output Format Typed Character Analog Output How to select the analog range and the wind
13. Hz with a baud rate 115200 and for 4 measurement quantities at most Analog Output Mode Chap 3 4 All measurement quantities can be configured to be converted into 5 analog outputs in current or voltage available in different measurement ranges This mode is always active combined with the RS232 Serial and RS485 Multidrop modes When on Digital High Frequency mode the 5 analog outputs are still available with a refresh of 1Hz The RS232 Serial and RS485 Multidrop Communication modes are alternative only one of them can be active Their activation is obtained via software see Chap 3 2 3 9 subsequently switching the HD2003 off and on It is always possible to return to RS232 Serial mode by providing a suitable command when switching the HD2003 on 1 5 Specifications Output quantities Anemometric Meteorological Heading gt Wind Speed Unit of measurement Range Resolution Accuracy gt Wind Direction Range Resolution Accuracy gt Sound Speed Range Resolution Accuracy gt Sonic Temperature Range Resolution Accuracy gt Compass Range Resolution Accuracy gt Moving Averages gt Ultrasonic rate Digital Outputs gt Quantities gt Communications gt Baud rate gt Output Rate Analog Outputs gt Quantities gt Range gt Resolution Power Supply Range gt Power wind direction and speed U V W components sound speed sonic temperature HD2003 Model Pressure Temperature Relative
14. Nelta 35030 CASELLE DI SELVAZZANO PADOVA ITALY HD2003 HD2003 1 Three Axis Ultrasonic Anemometer User s Manual Rev 2 0 February 2006 2006 Delta Ohm Srl All Rights Reserved INDEX Introduction 1 1 Conventions 1 2 Models 1 2 1 Heaters Option 1 3 Features 1 4 Operating Modes 1 5 Specifications 1 6 HD2003 Model Temperature Relative Humidity Pressure Sensors Installation and Maintenance 2 1 Packaging 2 2 Mounting and Positioning 2 3 Alignment 2 4 Electrical Connections 24 1 Power Supply and Earthing 2 4 2 RS232 Serial Communication Mode 2 4 3 RS485 Multidrop Communication Mode 244 Analog Output Mode 2 5 Maintenance Programming 3 1 Introduction 3 2 RS232 Serial Communication Mode 3 2 1 Parameter Setup 3 2 2 Measuring mode 3 2 2 1 RS232 Serial Mode Examples 3 2 3 Setup 3 2 3 1 Baud rate 3 2 3 2 Gain 3 2 3 3 Minimum Threshold 3 2 3 4 Average Interval 3 2 3 5 Analog Output Format 3 2 3 6 Output Quantities 3 2 3 7 Unit of Measurement 3 2 3 8 Sonic Transducer Heating 3 2 3 9 RS232 Serial or RS485 Multidrop Communication Mode 3 2 3 10 Identicode 3 2 3 11 Output Rate and Digital High Frequency 3 2 4 Logging 3 3 RS485 Multidrop Communication Mode 3 3 1 Parameter Setup 3 3 2 HD2003 Communication Protocol 3 3 2 1 S Command Setup 3 3 2 2 M Command Output Data 3 3 2 3 H Command Digital High Frequency enable and L Command Digital High Frequency disable 3 4 An
15. Outputs 6 Output Qu antity To select output quantities in RS232 Serial RS485 Multidrop and Analog Output mode 7 Wind Units To select the unit of measurement of SoW SoS U V W and SUV 8 Heating On request To enable the heating circuit of sonic transducers 9 COM Mode To select RS232 Serial or RS485 Multidrop communication mode I ID To set the instrument identicode for RS485 Multidrop mode R Output Rate To set Digital High Low Frequency of output quantity transmission in RS232 and RS485 Esc Exit Sel Type the alphanumeric character next to each Menu item in order to activate the corresponding submenu 3 2 3 1 Baud rate Typed Character di Baud How to set RS232 and RS485 baud rate The screen page displays Baudrate N 8 2 1 9600 2 19200 3 38400 4 57600 5 115200 Esc Exit Enter Save 19200 Sel By typing a number displayed among the Menu items the relevant baud rate will appear For example by typing s 7115200 will appear After selecting the desired baud rate number press to enable the Anemometer at the new baud rate 719200 Factory Default When baud rate changes the Hyper Terminal amp Port Setup is to be modified by inserting the new baud rate in the Bit per second item It remains active in the HD2003 even when passing to Multidrop RS485 mode Note Press any key in order to get a new screen page 3 2 3 2 Gain Typed Character Gain How to set the gain factor The screen page displa
16. Sensors HD2003 Model Temperature Sensor Pt100 Analog Output 0 20 mA 4 20 mA 0 1V 0 5V 0 10V 1 5V Range 40 60 C Resolution 0 1 C Accuracy 0 2 C 0 15 of reading Relative Humidity Capacity sensor H6100 Analog Output 0 100 RH 0 20 mA 4 20mA 0 1V 0 5V 0 10V 1 5V Range 5 98 RH Resolution 0 1 Accuracy 2 5 RH 23 C Pressure Piezo resistive Sensor Analog Output 0 20 mA 4 20mA 0 1V 0 5V 0 10V 1 5V Range 600 1100 mbar Resolution 0 1 mbar Accuracy 0 4 mbar 20 C Temperature Effects 0 8mbar between 40 C and 60 C Long term stability lt 0 2 F S in 6 months 20 C 2 Installation and Maintenance 2 1 Packaging In order to avoid damage due to transport the HD2003 Anemometer is supplied fixed in a special container Carefully remove the Anemometer from its container and save this one for any future packaging and transport The warranty does not cover the instrument if in further shipments containers other than the one supplied are used or if the HD2003 is not fixed inside it 2 2 Mounting and Positioning The instrument will be vertically mounted and positioned on open terrain far from turbulences due to near trees or buildings In the presence of buildings trees or any other obstruction the HD2003 should be positioned at a height of 10 meters above the ground the distance between the instrument and any obstruction should
17. a string consisting of four measurement quantities at most The Digital High Frequency is automatically disabled when switching the HD2003 on again The RS485 communication program after sending the command L lt ID gt lt x gt lt x gt according to the modes illustrated in Chapter 3 3 2 sets the HD2003 in the normal Output Data emission mode and disables the Digital High Frequency mode 3 4 Analog Output Mode As shown in Chapter 3 2 3 6 all output quantities can be available as analog outputs choosing different voltage or current ranges Chap 3 2 3 5 Five quantities converted to their corresponding engineering ranges are available on Analog Outputs terminals see Fig 1 HD2003 Connector OUTV1 OUTV2 OUTV3 OUTV4 OUTVS or OUTmA1 OUTmA2 OUTmA3 OUTmA4 OUTmAS For the HD2003 Model analog conversion for Temperature Relative Humidity Pressure is also possible The Analog Output mode is always active together with RS232 Serial and RS485 Multidrop communication mode 3 4 1 Analog Output Mod Mod HD2003 Mod HD2003 1 Temperature and Relative Humidity HD9009TR Pressure HD9408T P amas e Examples 5 Out speed of wind direction ut Quantities relative humidity Rack Data Logger 5 Analog Outputs 0 20 mA 4 20mA or 0 1V 0 5V 0 10V 1 5V Power supply 12 30 Vdc 2W 6W with Heaters 5 Output Quantities speed of wind direction External Sensors
18. al Plane positive inclinations are those over the Horizontal Plane while the negative ones are those under it The wind speed is calculated in terms of intensity of components or resultants SoW SUV and SoS The intensity of wind speed is indicated by SoW that of its component along the Horizontal Plane U V is indicated by SUV while that of sound by SoS U V W These are the three Cartesian components of wind speed If we draw a Cartesian plane with U and V along the Horizontal Plane W will be the Vertical Axis The V direction coincides with Geographical North and consequently the U will coincide with East and the W with the vertical Other conventions F S and Zero F S identifies the Full Scale of a quantity while Zero identifies the Scale Minimum Value Factory Default The Factory Default corresponds to the value of a factory set parameter when first programming an instrument which comes out of the production department Internal Refresh It represents the automatic frequency by which all the calculations are refreshed according to the set average intervals Symbols The keys of an IBM compatible PC keyboard are identified with a white text on a black background for example Ese Esc key Enter key A key One ASCII generic character or several ASCII generic characters can be identified with the symbol lt name gt where name is any expression that gives the title to that character Example of
19. alog Output Mode 3 4 1 Analog Output Mode Examples How to Order 4 1 Order codes 1 Introduction Ultrasonic Anemometers allow to detect surface wind speed and direction These instruments measure the transit time of the ultrasonic pulse between a pair of opposite sonic transducers in both directions From the measurement of tA and tR times you can trace to the wind speed component in the direction of the two transducers through the formula V D 2 1 tA 1 tR Where D distance between two transducers tA forward transit time tR backward transit time This formula ensures that the wind speed does not depend on Pressure Temperature and Humidity Three couples of transducers allow to make a three axis vector measurement of wind 1 1 Conventions Definitions of the anemometric quantities measured by the HD2003 The wind direction is established through the calculation of angles azimuth The azimuth is the angle that defines the position of the wind flow along the Horizontal Plane with reference to the direction from which the wind itself is coming The angle is calculated from 0 to 360 clockwise along the Horizontal Plane The origin 0 is the direction of Geographical North The HD2003 built in integrated compass measures the magnetic azimuth with reference to Magnetic North elevation This is the angle that defines the position of the wind flow along the Vertical Plane It varies from 60 along the Vertic
20. an set the engineering F S Chap 3 2 3 5 otherwise it is fixed 60 m s By typing f Speed in U V SUV Intensity in the same unit of measurement as for SoW Orientation B see Drawing DWGIHD2003 page 35 If you use it as Analog Output you can set the engineering F S Chap 3 2 3 5 otherwise it is fixed 0 60 m s By typing Speed of Wind SoW intensity with unit of measurement setting as shown in Chapter 3 2 3 7 If you use it as Analog Output you can set the engineering F S Chap 3 2 3 5 otherwise it is fixed 0 60 m s By typing Azimuth Azimuth angle amplitude considered as shown in Chapter 1 1 and Chapter 2 3 Range 0 360 By typing Elevation Elevation angle amplitude considered as shown in Chapter 1 1 Range 60 By typing Speed of sound SoS in the same unit of measurement as for SoW Range 0 400 m s By typing Sonic temperature Sonic Temperature calculated by SoS in C Range 40 60 C By typing Compass Magnetic azimuth angle provided by the compass as shown in Chapter 1 1 and Chapter 2 3 Range 0 360 By typing 8 Errors In the Output Data three numbers will appear from left to right corresponding to e Error code e Flag enabling heaters For models with sonic transducer heating e Number of invalid measurements NB Errors are not available in Analog Output mode Error codes table The error code consists of two digits Th
21. commands Each command must observe a set protocol 1 Before sending the command string the RS485 communication program must force the serial communication line to the Break Signal Clearing Mode status for at least 2ms and then return to the rest condition Marking Mode 2 Immediately after the Break Signal and return to the rest condition the RS485 I communication program must send the command string consisting of 4 ASCII characters lt C gt lt ID gt lt x gt lt x gt Where lt C gt COMMAND CODE Description M ASCII code 77 Output Data Command S ASCII code 83 Setup Command H ASCII code 72 Digital High Frequency Enable Command L ASCII code 76 Digital High Frequency Disable Command lt ID gt Identicode of the queried HD2003 unit An alphanumeric character 0 1 9 A Z a z lt x gt An indifferent character Any character In the command string transmitted you must then specify the Command Code according to the command used as well as the Identicode which identifies univocally the HD2003 unit to which the command refers Break Signal The Break Signal suspends the character s transmission on the serial line setting it to a break status In this status the voltage level of the transmission line from the computer to the Anemometer passes from nominal 12V to 12V The function which generates the Break Signal is available in program languages or serial communicatio
22. ctor Y DA do 33 mm cA 2 Support Pole 7 40 mm Orientation A Orientation B Free positioning Bills Compass direct reading b from HD2003 1 0 0 0 1 North V North gt gt Connector R 160mm Ld HD2003 1 Ultrasonic Anemometer Drawing DWG1HD2003 1 HD2003 HD2003 1 Ultrasonic Anemometers Delta Ohm Caselle di Selvazzano PD ITALY Rev 2 0 February 2006 37 CERTI FI CATO DI CONFORMIT DEL COSTRUTTORE MANUFACTURER S CERTIFICATE OF CONFORMITY rilasciato da issued by DELTA OHM SRL STRUMENTI DI MISURA DATA DATE 2009 10 02 Si certifica che gli strumenti sotto riportati hanno superato positivamente tutti i test di produzione e sono conformi alle specifiche valide alla data del test riportate nella documentazione tecnica We certify that below mentioned instruments have been tested and passed all production tests confirming compliance with the manufacturer s published specification at the date of the test La riferibilit delle misure ai campioni internazionali e nazionali delle unit del SIT garantita da una catena di riferibilit ininterrotta che ha origine dalla taratura dei campioni di laboratorio presso l Istituto Primario Nazionale di Ricerca Metrologica The traceability of measures assigned to international and national reference samples of SIT units is guaranteed by a uninterrupted reference chain which source is the calibration of laboratories samp
23. e measurement of an additional meteorological quantity in the output quantities In the HD2003 Model the following correspondence exists q0 gt Pressure 600 1100mbar ql gt Temperature 40 60 C q2 gt Relative Humidity 0 100 q3 gt Optional q4 gt Optional Therefore if you type characters 0 referring to Pressure referring to Temperature DI referring to Relative Humidity you can add these measurements to output quantities in the desired order On request Additional output quantities see figure Chap 3 2 2 1 HD2003 Model When you place your order you can combine the two optional quantities q3 and q4 with two 0 1V external sensors Thus two additional measurements are added to the output quantities already available in the HD2003 Quantities q0 q1 q2 are already combined with Pressure Temperature Relative Humidity respectively HD2003 1 Model When ordering you can combine additional quantities q0 q1 q2 q3 q4 with five 0 1V external sensors Thus five additional measurements are added to output quantities of the HD2003 1 By typing U V W Intensity with sign of the three Cartesian components U V W of wind speed Orientation B see Drawing DWG1HD2003 page 35 Sign appears if the component measured is in the same direction of the standard reference otherwise sign appears The unit of measurement is the same as for SoW If you use them as Analog Outputs you c
24. e one referring to tens identifies the sonic transducers with possible anomaly Sonic transducers are grouped in pairs of facing elements For the first pair the upper transducer is next to the HD2003 metallic support which indicates the North direction The other pairs follow anti clockwise See Drawing DWGIHD2003 1 page 36 numbering 1 2 3 in Orientation B First pair of transducers code 1 for lower transducer 2 for the upper one Second pair of transducers code 3 for lower transducer 4 for the upper one Third pair of transducers code 5 for lower transducer 6 for the upper one Code 7 is combined with the compass The one referring to units highlights the kind of anomaly Code Anomaly 0 None combined with 0 for transducer too 1 Electrical interruption transducer circuit Transducer s break Obstruction of the path 2254 Time anomaly or wave amplitude anomaly of ultrasonic pulse Others Internal codes Example If there is an anomaly in transducer n 4 due to a physical obstruction in the measurement volume which brings to the rejection of 2 raw measurements in the Output Data string the following set of three numbers appears 41 0 2 In absence of anomalies with activated heaters Models with sonic transducer heating 0 1 0 3 2 3 7 Unit of Measurement Typed Character Wind Units How to select the unit of measurement The screen page will display Wind Units
25. ement wind speed and direction U V W Cartesian components sonic temperature and speed HD2003 Model Additional quantities measured Temperature Relative Humidity Pressure 5 analog outputs in current or voltage with different ranges Digital communication interfaces RS232 Serial and RS485 Multidrop Digital strings of output data at a configurable emission frequency Average intervals for all output quantities configurable at 1 60 sec or at 1 60 min Processing and validity Algorithms for raw measurement signals to provide the measurement of the anemometric quantity with 1 precision Acquisition mode in Digital High Frequency with data output at 50 Hz Self diagnosis with checking and error reporting Reliability and precision for the whole measurement field without any need for further calibrations Flexible and easy to use operating software which can be adapted to the customer s requirements through a computer interface Setup user interface and software upgrade via RS232 or RS485 Compass with magnetoresistive sensor for automatic alignment to the Magnetic North No moving parts with reduced maintenance and servicing costs Robust construction apt to operate continuously in severe climatic conditions Low power consumption On request Heaters Option Sonic transducers integrated heating device to prevent ice and snow formation ensuring a correct functioning even when sleeting or snowing
26. en page COMM Mode 1 RS232 2 RS485 Esc Exit Enter Save RS232 Sel From the Menu you can select the desired communication mode By typing l or E the corresponding mode appears For example by typing B RS485 appears After your selection press to enable the Anemometer to the desired mode which will be activated when the HD2003 is switched on and stored permanently until a new configuration RS232 Factory Default Whatever the stored communication mode you can always set RS232 serial mode when switching the HD2003 on You can just make a RS232 Serial connection Chap 2 4 2 and by pressing M on the keyboard of the Host computer when switching the HD2003 on RS232 Serial mode is established during auto ranging which takes a few seconds even though for example RS485 Multidrop mode was previously stored 3 2 3 10 Identicode Typed Character ID How to set the HD2003 identicode for RS485 Multidrop mode Screen page Sel I 1 Identicode Type any alphanumeric character 0 1 2 9 a b z A B Z which will identify univocally the Anemometer 1 Factory Default The identicode is used in RS485 Multidrop communication mode in order to address the HD2003 Anemometers used in a two wired Multidrop network 3 2 3 11 Output Rate and Digital High Frequency Typed Character Output Rate How to set the digital frequency of output quantities transmission for RS232 Serial and RS485 Multidrop mode and ho
27. ght justified with the space character before the sign and a number of decimal positions depending on the unit of measurement Each string of data is followed by CR lt LF gt characters 3 2 2 1 RS232 Serial Mode Examples Mod HD2003 Output quantities speed of wind direction compass sonic temperature temperature pressure relative humidity External Sensors solar radiation LP PHOT or LP PYRA rain detector HD2013 2 Rain detector HD 2013 2 Rack Luxmeter LP PHOT o Pyranometer LP PYRA RS 232 o COM Slave Computer 15m max Power supply 12 30 Vdc 2W 6W With Heaters HD978TR4 Mod HD2003 1 Output quantities speed of wind Rain detector direction HD 2013 2 compass sonic temperature Esternal sensors temperature HD9009TR Temperature and pressura TN i i idi relative humi fetus Humidity solar radiation LP PHOT or LP PYRA Rack HD9009TR rain detector HD2013 2 RS 232 Pressure COM HD9408T Slave Computer CES 15m max Power supply 12 30 Vdc 2W 6W With Heaters Luxmeter LP PHOT or Pyranometer LP PYRA HB HD978TR4 3 2 3 Setup The setup allows the user to configure and parameterise the Anemometer according to his needs through linked Menus displayed in succeding pages through a serial communication program such as Hyper Terminal or DeltaMet8u When opening a Menu that allows the selection between differe
28. ial port of the Computer Host and the network of the HD2003 Set the following communication parameters in the RS485 serial communication program e RS485 communication program parameters Bit per second baud rate of each HD2003 in the network Data bit 8 Parity None Stop bit 2 Flow Control None Before connecting HD2003 Anemometers in the network set the baud rate and identicode of each one using the RS232 Serial Communication mode see Chapters 2 4 1 and 2 4 2 for electrical connections The baud rate the same for all the HD2003 units in the network is selected following the Chapter 3 2 3 1 instructions The identicode must be different for each HD2003 unit in the network and it s selected following the Chapter 3 2 3 10 instructions Mod HD2003 and HD2003 1 Rack Master Computer COM RS232 RS485 RS 232 RS 485 e Power Supply 12 30 Vdc 1200m max Connect the Anemometers in the RS485 Multidrop network and set electrical connections as illustrated in Chapters 2 4 1 and 2 4 3 After the power is supplied each HD2003 unit Slave will work on Stand by continuing to execute its normal measurement cycle waiting for commands from the Computer Host Master 3 3 2 HD2003 Communication Protocol The HD2003 can receive four types of commands from the RS485 communication program of the Computer Host Output Data Command Setup Command Digital High Frequency Enable Disable
29. l to protect against electromagnetic disturbances The HD2003 is installed on a metallic pole fixed to the ground that must be earthed Connect the metallic structure of the pole to the earthing screw provided near the HD2003 connector see Drawing DWG1HD2003 page 35 with a 1 5 mm cable A B Earthing screw Earthing screw Connector gt Connector gt Support pole Ut Support pole The A connection was made by using a screw on the support pole while the B connection was made by using a clamp around the support pole 2 4 2 RS232 Serial Communication Mode This mode can be selected via software Chap 3 2 3 9 Connect the HD2003 cable to a computer s serial port If necessary use a pin to pin extension with a shielded cable The possible extension cable plus the HD2003 cable cannot exceed 15 meters Chap 3 2 2 1 RS232 connections RS232Port computer side 9 pole Cannon connector HD2003 Connector Symbol pin 2 Y TXD pin 3 L RXD pin 5 X SG 2 4 3 RS485 Multidrop Communication Mode This mode can be selected via software Chap 3 2 3 9 Make a parallel connection between each HD2003 of the network and the RS485 port on the computer or the RS232 RS485 converter connected to the computer by using a shielded twisted pair cable The maximum cable length between the Anemometers placed in the extreme places of the Multidrop RS485 network is 1 200m Chap 3 3 1 RS485 Multidrop connectio
30. les at the Primary National Metrological Research Institute Tipo Prodotto Anemometro triassiale ad ultrasuoni Product Type Three Axis Ultrasonic Anemometer Nome Prodotto HD2003 HD2003 1 Product Name Responsabile Qualit Head of Quality ZL P DELTA OHM SRL 35030 Caselle di Selvazzano PD Italy 2 c Via Marconi 5 Tel 39 0498977150 r a Telefax 39 049635596 Cod Fisc P lva IT03363960281 N Mecc PD044279 R E A 306030 ISC Reg Soc 68037 1998 GUARANTEE ete GUARANTEE CONDITIONS All DELTA OHM instruments have been subjected to strict tests and are guaranteed for 24 months from date of purchase DELTA OHM will repair or replace free of charge any parts which it considers to be inefficient within the guarantee period Complete replacement is excluded and no request of damages are recognized The guarantee does not include accidental breakages due to transport neglect incorrect use incorrect connection to voltage different from the contemplated for the instrument Furthermore the guarantee is not valid if the instrument has been repaired or tampered by unauthorized third parties The instrument has to be sent to the retailer without transport charge For all disputes the competent court is the Court of Padua The electric and electronic devices with the following symbol cannot be disposed in the public dumps According to the Directive UE 2002 96 EC the European users of electric and electronic
31. n terminal emulation programs 3 Generally between a command and the next one according to the transmission baud rate and the correct time synchronization of each HD2003 unit in the network the following minimum time in milliseconds according to the set baud rate must pass Baud rate ms 9600 200 19200 100 38400 70 57600 40 115200 25 Only after such time has elapsed the Computer Host can send a new query to any Anemometer of the network even without having received a response from the queried unit that may possibly be faulty Examples The Computer Host requires the addressed unit with Identicode 1 to provide Output Data and transmits in sequence 1 Break Signal for at least 2ms 2 Command MItt The Computer Host requires the addressed unit with Identicode T to enable Digital High Frequency mode and transmits in sequence 1 Break Signal for at least 2ms 2 Command HTgg The Computer Host requires the addressed unit with Identicode G to manage the Setup and transmits in sequence 1 Break Signal for at least 2ms 2 Command SGaa 3 3 2 1 S Command Setup The RS485 communication program after sending the command S lt ID gt lt x gt lt x gt according to the modes illustrated in Chapter 3 3 2 sets the queried HD2003 unit in Setup and receives the Main Menu page from it see Chapter 3 2 3 In substance the RS485 communication program can manage the Setup of the HD2003 queried u
32. nit on the RS485 Multidrop line in the same modes shown for the RS232 Serial Communication Upon exiting the Setup the HD2003 unit returns to slave on Stand by 3 3 2 2 M Command Output Data The RS485 communication program after sending the command M lt ID gt lt x gt lt x gt according to the modes illustrated in Chapter 3 3 2 will receive Output Data from the queried HD2003 unit in a proper format The Output Data received will correspond to the last measurement carried out by the HD2003 unit concerning the set average interval in the Setup see Chapter 3 2 3 4 They represent the measurement quantities selected on the HD2003 unit through number and type as shown in Chapter 3 2 3 6 Output Data are kept in a package in the following format of ASCII characters HIHIM lt ID gt I amp lt DATA1 gt lt DATA2 gt lt DATAx gt lt SP gt amp AAAMZ lt ID gt AA lt CR gt Where I I character ASCII code 73 M M character ASCII code 77 lt ID gt Identicode of the queried HD2003 unit only one alphanumeric character amp amp character ASCII code 38 lt DATAx gt 8 characters which represent the format of the x th numeric right justified data with spaces before the sign numeric digits decimal point see Chap 3 2 2 lt SP gt Space A A character ASCII code 65 lt CR gt Carriage return Examples The Computer Host requires the addressed unit with Identicode a to
33. ns RS485 Port computer side HD2003 Connector Symbol pole B F DATA for all the HD2003 of the network pole A W DATA for all the HD2003 of the network 2 4 4 Analog Output Mode see Chap 3 4 1 5 Analog Outputs at 14 bits in voltage 0 1V 0 5V 0 10V 1 SV Analog Outputs of voltage HD2003 Connector Symbol 1 E OUTVI 2 V OUTV2 3 c OUTV3 4 Z OUTV4 5 M OUTVS5 Analog ground of voltage D REF 5 Analog Outputs at 14 bits in current 0 20mA 4 20mA Analog Outputs of current HD2003 Connector Symbol 1 U OUTmAI 2 b OUTmA2 3 a OUTmA3 4 N OUTmA4 5 C OUTMAS Analog ground of current J PWR 2 5 Maintenance The HD2003 maintenance consists of periodic checks in order to Find and possibly eliminate all deposits of ground leaves or any other kind of debris that may accumulate on the sonic transducers In highly polluted areas remove all fouling deposits from the measuring elements such as sonic transducers support rods etc Check and possibly restore the integrity of the connector seal Check and repair any damage caused by third parties Check and possibly restore the correct power supply level especially in case of supply provided by accumulators or solar panels 3 Programming 3 1 Introduction RS232 Serial and RS485 Multidrop Communication modes are selected via software as shown in
34. nt values options or a Menu that allows to set up a numeric value the value option correctly stored by the HD2003 and preceded by a sign is always highlighted Each single change of a parameter operated by the user determines a permanent storage of the new parameter value still valid even after the power supply of the HD2003 has been switched off In any configuration page which is visualized a timeout becomes active after a previously set period unless a key is pressed on the Host Computer keyboard the HD2003 returns to previous pages until Measuring Mode By consecutively pressing up to 5 characters that are not available on the current Menu of the page used you get the same result The Main Menu displayed through Hyper Terminal or DeltaMet8u is the following DeltaOHM Anemometer HD2003 Rel 2 0 Menu S Setup L Logging Esc Exit Sel Press to go back to Measuring Mode see Chapter 3 2 2 Type to enter the Setup Menu Type B to display the Logging see Chapter 3 2 4 Setup Menu The screen page displays Setup 1 Baud To select the RS232 or RS485 communication baud rate 2 Gain To set the gain factor for U V W SoW and SUV 3 Threshold To set the minimum threshold for SoW 4 Average Interval To set the average interval in seconds or minutes for all output quantities 5 An alog Output To select the analog range and wind speed range for Analog
35. provide Output Data and transmits in sequence 1 Break Signal for at least 2ms 2 Command Mann It receives Output Data with 6 measurement values from the instrument with Identicode a MIMaI amp 2 23 28 34 0 34 28 30 359 3 1 3 amp KAAAMaAA lt CR gt The Computer Host requires a second unit with Identicode Z to provide Output Data and transmits in sequence 1 Break Signal for at least 2ms 2 Command MZxx It receives the Output Data with 8 measurement values from the instrument with Identicode Z MIIMZI amp 3 23 29 17 0 37 29 40 358 4 1 5 11 13 1 85 KAAAMZAA lt CR gt The Computer Host requires a third unit with Identicode f to provide Output Data and transmits in sequence 1 Break Signal for at least 2ms 2 Command Mfmm It receives the Output Data with 5 measurement values from the instrument with Identicode f MIIMfI amp X 5 23 19 18 1 54 16 00 1 06 amp KAAAMfAA lt CR gt 3 3 2 3 H Command Digital High Frequency enable and L Command Digital High Frequency disable The RS485 communication program after sending the command H lt ID gt lt x gt lt x gt according to the modes illustrated in Chapter 3 3 2 sets the addressed HD2003 unit in the Digital High Frequency mode In substance the RS485 serial communication program can subsequently query the HD2003 through command M Output Data at a maximum frequency of 50 Hz under the following conditions e Baud rate 115200 bit s e Output Dat
36. r output quantities format in RS232 Serial mode see Chapter 3 2 2 Measuring mode For RS485 Multidrop mode see Chapter 3 3 2 HD2003 Communication Protocol Output quantities will be available in the digital Output Data in the same order as they have been chosen in the string Analog Output Mode In Analog Output mode the output quantities format is extremely transparent for the user who will have these quantities in the terminals designed for Analog Outputs These quantities will be converted into analog output ranges selected as shown in Chapter 3 2 3 5 They coincide with the first five quantities selected from the above mentioned string of output quantities without considering the ones that follow They will be available in the terminals of Analog Outputs in the same order as they have been chosen in the string For instance if you set a string of quantities like st78c59 the last two quantities i e 5 U V W and 9 Elevation are ignored while the first five quantities will be available in the terminals of Analog Outputs see Fig 1 HD2003 Connector Output Quantities HD2003 Connector Symbol s Speed of Sound E OUTVI t Sonic Temperature V OUTV2 7 Speed of wind c OUTV3 8 Azimuth Z OUTV4 c Compass M OUTV5 NB In this example an analog voltage range has been selected Chap 3 2 3 5 By typing A q0 q1 q2 q3 q4 HD2003 Model The arbitrary selection of J Il B allows to include th
37. ss DUXBURY For instance if you type 45 having selected 1 5V from Menu mA V Ranges with one of Analog Outputs combined with the U component of wind speed Chap 3 2 3 6 the reciprocity scale is established between the voltage of the relevant Analog Output and the meters per seconds of U component 45m s gt 1Vdc 45 m s gt 5Vdc 3 2 3 6 Output Quantities Typed Character d Output Quantity How to set output quantities in RS232 Serial RS485 Multidrop and Analog Output mode Screen page Output Quantity 1 User Esc Exit 1 Sel By typing User The following screen page appears Custom Format 0 1 2 3 4 S U V W 6 Speedin U V 7 Speed of Wind 8 Azimuth 9 Elevation S Speed of sound T Sonic temperature C Compass E Errors Esc Exit st012c5789e Sel max 11 You can select the type and order of measured quantities which will appear from left to right in Output Data supplied in RS232 Serial mode or obtained after a query in RS485 Multidrop mode For Analog Output mode you can choose the type and order of measured quantities coupled with the five Analog Outputs available The string of desired output quantities is established by typing in the desired order the corresponding alphanumeric characters which appear on Menu st012c5789e Factory Default The string may consist of 11 alphanumeric characters at most RS232 Serial and RS485 Multidrop Mode Fo
38. turning the HD2003 on autoranging takes a few seconds you set it up to work with manual North orientation To align the instrument rotate the HD2003 on its vertical axis so the Geographical North corresponds to the north side of HD2003 which is identified by the direction of the metal support opposite the connector see Orientation B Drawing DWGHD2003 page 35 2 4 Electrical Connections Electrical connections to the HD2003 are made with its 26 pole connector Each pin of the connector is marked with an identity label and a mnemonic symbol See Fig 1 HD2003 Connector for references to connector labels and symbols On request Multipolar cable the HD2003 may be supplied with a cable and plug The cable may be 5 meters or 10 meters length 2 4 1 Power Supply and Earthing Power supply 12 30 Vdc 110mA 15Vde without Heaters Option 400mA a 15Vdc and 10 C with Heaters Option heating circuit activated Power Supply HD2003 Connector Symbol 12230 Vdc pole G PWR pole K PWR pole H PWR pole J PWR Note for the model with Heaters Option When the HD2003 has remained off in temperatures below 0 C being switched on later will give initial absorption peaks when the heating circuit turns on These peaks should be planned when dimensioning the power supply circuit used ex from SA to 1A first 5sec 15Vdc and 20 C Earth Connection The earth connection is fundamenta
39. w to activate Digital High Frequency mode Screen page Output rate 1 Slow 2 Fast Esc Exit Slow 1 sec Sel It is possible to set the digital frequency of Output Data string transmission in normal mode Slow by typing Bl or in Digital High Frequency mode Fast by typing B e By typing l Slow The following screen page displays Sel R 1 sec Range 1to 3600 You can choose a period in seconds from 1 to 3600 which represents the lapse of time between issuing one Output Data string and the next one Type the desired period value and then press with a number included in the range indicated On the lower screen side the set period appears 1 Factory Default Slow 1sec Sel The set frequency is independent of the Internal Refresh of the instrument see Chapter 3 2 3 4 e By typing E Fast Digital High Frequency mode is activated and on the lower screen side appears Fast Digital Sel Under Digital High Frequency the Output Data string in RS232 Serial mode is supplied at a fixed 50Hz frequency under the following conditions e baud rate 115200 bit s e string consisting of four measurement quantities at most A number of quantities higher than four or baud rates lower than 115200 determine emission frequencies of Output data lower than 50 Hz The Digital High Frequency is automatically disabled when switching the HD2003 on again 3 2 4 Logging As shown in Chapter
40. ys Sel 2 10000 Gain Range 5000 to 15000 It allows to set a gain factor in 1 10000 for U V W components and consequently for SoW and SUV components 10000 Factory Default This gain variation allows to align the wind speeds measured by the HD2003 with the wind speeds measured by any other reference instrument To set the desired gain type it and then press DINERS make sure that the number is within the 5000 15000 range 3 2 3 3 Minimum Threshold Typed Character R Threshold How to set the Minimum Threshold displayed Screen page Sel 3 20 cm s Range Oto 500 It is possible to set a minimum threshold of speed in cm s below which SoW is considered equal to zero Type the digits of the desired value and then press LINKED according to the 0 500 range 3 2 3 4 Average Interval Typed Character Average Interval How to set the interval value in seconds or minutes in order to calculate the moving averages of all output quantities The first screen page displays 9 Average Interval 1 sec 2 min Esc Exit min Sel The time unit of the moving average interval can be chosen in seconds or minutes min Factory Default After typing the number corresponding to the desired unit the following screen page will appear if you choose seconds Average Interval 2 sec Range 1 to 60 If you choose minutes Average Interval 2 min Range 1
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