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HD2003-HD2003.1 - Delta Ohm S.r.l.

1. Delta Ohm Caselle di Selvazzano PD ITALY 22 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 2 3 10 IDENTICODE Typed Character M 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 ANALOG HIGH FREQUENCY Typed Character D Output Rate How to set the digital frequency of output quantities transmission for RS232 Serial RS422 RS485 Multidrop AoXnd mode and how to activate Digital or Analog High Frequency mode Screen page Output Rate 1 Slow 2 Fast Esc Exit Slow 1 sec By digiting KW the digital frequency of the Output data under normal function Slow of the string is set or by digiting E the Digital or Analog High Frequency is set Fast Bytyping D 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 TENTER with a number included in the range indicated On the lower Output Rate Menu the set period
2. 2 5 RH 23 C Delta Ohm Caselle di Selvazzano PD ITALY 7 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 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 be at least 10 times the relevant height 2 3 ALIGNMENT SEE DRAWING DWG1HD2003 PAGE 37 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 RS422 or RS485 Multidrop communication mode Chap 3 2 and Chap 3 3 Then the HD2003 is rotated on its vertical axis until th
3. 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 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 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 E 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 Under Analog Output and AoXnd mode the only unit of measure possible for the wind speed is m s Delta Ohm Caselle di Selvazzano PD ITALY 21 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 2 3 8 SONIC TRANSDUCER HEATING This function is provided on request and refers just to HD2003 R and HD2003 1 R 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 D Heating How to enable the sonic transducer heating circuit Screen page Sel 8 Y Enable Heat y n You can enable by typing or or disable by typing or Y Factory Default the
4. V W 0 to 70 m s SoW SUV F S Range 10to 70 Set a positive number in m s between 10 and 70 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 70m s Factory Default and then press GG 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 45 m s gt 1Vdc 45 m s gt 5Vdc Under Analog Output and AoXnd mode the only unit of measure possible is m s for wind speed Delta Ohm Caselle di Selvazzano PD ITALY 17 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 2 3 6 OuTPUT QUANTITIES Typed Character D Output Quantity How to set output quantities in Serial RS232 RS422 RS485 Multidrop AoXnd and Analog Output mode Screen page Output Quantity 1 User Esc Exit 1 Sel Bytyping EN User The following Custom Format Menu appears Custom Format 0 1 2 3 4 5 U V W 6 Speed in U V 7 Speed of Wind 8 Azimuth 9 Elevation S Speed of sound T Sonic temperature C Compass E Errors E
5. computer side HD2003 Connector Symbol Polo Tx B J Tx Polo Tx A K Tx Polo Rx B F Rx Polo Rx A W Rx 2 4 4 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 connections 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 5 ANALOG OUTPUT MODE Cuar 3 4 1 5 Analog Outputs at 14 bits in voltage 0 1V 0 5V 0 10V 1 5V Analog Outputs of voltage HD2003 Connector Symbol 1 E OUTV1 2 V OUTV2 3 c OUTV3 4 Z OUTVA 5 M OUTV5 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 OUTmA1 2 b OUTmA2 3 a OUTmA3 4 N OUTmA4 5 C OUTmA5 Analog ground of current H PWR The maximum loading resistance of the current circuit is 5009 at 12Vdc of power supply of the HD2003 Delta Ohm Caselle di Selvazzano PD I
6. 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 unit 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 Standby Delta Ohm Caselle di Selvazzano PD ITALY 27 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 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 IIIIM lt ID gt I amp lt DATA1 gt lt DATA2 gt lt DATAx gt lt SP gt amp AAAM lt ID gt AA lt CR gt Where character ASCII code 73 M M character ASCII code 77 ID Identicode of the queried HD2003 unit only one alphanumeric character amp amp character ASCII code 38 lt DATAx gt 8 characters which repres
7. Accuracy 1 of reading gt Sonic Temperature Range 40 60 C Resolution 0 1 C Accuracy ap JL ME gt Compass Range 0 3600 10 Resolution 0 1 Accuracy 1 gt Moving Averages 1 60 sec 1 60 min Ultrasonic rate 60Hz Digital Outputs gt Quantities Anemometric and compass HD2003 Model Pressure Temperature Relative Humidity Communications RS232 and RS422 full duplex RS485 Multidrop and AoXnd half duplex Baud rate 9600 115200 bit sec Output Rate Normal mode Slow 1 3600 sec Digital High Frequency Fast fixed 50Hz VV v Analog Outputs gt Quantities 5 to be selected from output quantities anemometric compass meteo gt Range 0 20mA 4 20mA 0 1V 0 5V 0 10V 1 5V gt Resolution 14 bits max Analog Outputs Extended With ICP DAS I 7024 module On request when placing the order gt Quantities up to 12 to be selected from output quantities anemometric compass meteo gt Range 0 20mA 4 20mA 0 5V 0 10V gt Resolution 14bits gt Output Rate Normal mode Slow 1 3600 sec Analog High Frequency Fast from 5Hz to 20Hz depending on the baud rate Power Supply Range 12 4 30 Vdc Power 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 eve
8. Error code Previous error code Number of invalid measurements NOTE The option Errors should not be used under Analog Output and AoXnd mode Error Codes Table The error code consists of two digits The 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 DWG1HD2003 1 page 38 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 O for transducer too 1 Electrical interruption transducer circuit Transducer s break Obstruction of the path 2 5 7 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 during a measure loop in the Output Data string the following set of three numbers appears 41 0 2 Without anomalies 0 0 0
9. How to select the analog range and the wind speeds range for Analog Outputs and Analog Output Extended AoXnd mode Screen page Analog Output 1 mA V Ranges 2 Speed Ranges Esc Exit Delta Ohm Caselle di Selvazzano PD ITALY 16 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 Bytyping D mA V Ranges How to select the analog range The screen page displays Ranges 0 20 mA 4 20 mA 0 1 V 0 5 V 0 10 V 1 5 V Esc Exit Enter Save DOR WN ee AoXnd no option 3 or 6 2 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 4 20mA Factory Default By pressing Ian under AoXnd mode the same current or voltage range set also for ICP DAS I 7024 modules used Cap 3 5 1 is stored When under AoXnd mode the ranges 0 1V and 1 5V are excluded Example if you type E 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 or AoXnd and engineering values referring to the azimuth 0 gt 4mA 360 20mA Bytyping BI Speed Ranges How to set the engineering range for wind speeds available for Analog Outputs and AoXnd mode The following screen page for range setup appears Sel 2 70 m s U
10. OF SHIPMENT CHARGES to your dealer The Italia Law and the jurisdiction of Padua Italy applies in any dispute The electrical and electronic equipment marked with this symbol cannot be disposed of in public landfills According to the UE Directive 2002 96 EC the European users of electrical and electronic equipment can return it to the dealer or manufacturer upon purchase of a new one The illegal disposal of electrical and electronic equipment is punished with an administrative fine 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 O HD2003 O HD2003 R O HD2003 1 O HD2003 1 R Serial Number RENEWALS Date Date Inspector Inspector Date Date Inspector Inspector Date Date Inspector Inspector CE CONFORMITY The product complies with 2004 108 CE EMC and 2006 95 CE low voltage directives C and meets the requirements of the following technical standards Safety EN61010 1 Electrostatic discharge immunity test EN61000 4 2 Level 3 QY Radiated radio frequency electromagnetic field immunity EN61000 4 3 Level 3 Electrical fast transient burst immunity EN61000 4 4 Level 3 Immunity to conducted disturbances induced by RF fields EN61000 4 6 RoH Voltage dips short interruptions and voltage variations immunity EN61000 4 11 2002 95 E Radio disturbance characteristics
11. RS485 Multidrop and AoXnd communication mode Please refer to pages 41 and 42 for Factory Default setting of the output quantities available to the Analog Output terminals 3 4 1 ANALOG OUTPUT MODE EXAMPLES Mod HD2003 5 Output Quantities speed of wind direction temperature pressure relative humidity Rack Data Logger HD32MT 5 Analog Output 0 20 mA 4 20mA Or 0 1V 0 5V 0 10V 1 5V Power supply 12 30 Vdc 5A amp W with Heaters Mod HD2003 1 5 Output Quantities speed of wind direction External Sensors temperature HD9009TR pressure HD9408T relative humidity HD9009TR Rack lemperature and Relative Humidity EE Data Logger HD32MT 5 Analog Output 0 20 mA 4 20mA or 0 1V 0 5V 0 10V 1 5V H Tessure 133 HD9408T D Power supply 12 30 Vdc 5A 2W 6W With Heaters Delta Ohm Caselle di Selvazzano PD ITALY 30 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 5 ANALOG OUTPUT EXTENDED MODE AOXND By using the CP DAS 1 7024 module On request with the HD2003 under Extended Analog Output mode at the output terminals of the module are available 4 additional analog outputs voltage or current related to the measure quantities desired Up to 3 ICP DAS l 7024 modules can be connected for a maximum of 12 extended analog outputs Under this mode you can have the
12. analog outputs at a considerable distance from the place of installation of the HD2003 up to 1200m also in routes where a high electromagnetic interference is present Analog signals at the output terminals of the module placed near of the device acquisition such as the datalogger DeltaOhm HD32MT 1 are electrically insulated and are not subject to disturbances and electrical interference in the path that do as in the case of analog signals that come directly from anemometer and walk a long way before reaching acquisition equipment 3 5 1 ICP DAS I 7024 MODULE SETTING Here below reported are the procedures performed at the factory On request to prepare the ICP DAS 1 7024 module with the correct settings of baudrate range unit format address necessary for the Extended Analog Output operation mode Remote interface module ICP DAS 1 7024 This step of the module configuration requires a Host computer with RS485 serial interface Alternatively use an RS232 RS485 converter as ICP DAS 1 7520 supplied On request to be placed between the RS232 serial port of the host computer and the ICP DAS l 7024 e module You may also need a USB RS232 converter as DeltaOhm C205M supplied On request 1 Connect a 12 30Vdc Power Supply to the terminals R Vs and B GND 2 Connect the terminals DATA ad DATA to the correspondents of the RS485 interface of the computer 3 Connect the terminal INIT to the terminal B GND From th
13. 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 with a refresh of 1Hz This mode is always active combined with the RS232 Serial RS422 AoXnd and RS485 Multidrop modes When on Digital or Analog High Frequency mode the 5 analog outputs are still available with a refresh of 1Hz Analog Output Extended Mode AoXnd Analog High Frequency Chap 3 5 A single HD2003 Anemometer Master sends spontaneously digital strings of command over his RS485 serial line directly connected to a remote module S ave ICP DAS 1 7024 provided On Request There are 4 extended analog outputs voltage or current to the output terminals of the module related to the measured quantities requested Up to 3 ICP DAS 1 7024 modules can be connected for a maximum total of 12 extended analog output In normal operation cadences are settable from 1 to 3600s of update of the analog outputs that is to say a maximum frequency of 1Hz Under this mode it is possible to get analog outputs at a considerable distance from the place of installation of the HD2003 up to 1200m even in routes subject to high electromagnetic interference The analog signals to the output terminals of the module placed in proximity of the acquisition device such as the data logger De taOhm HD32MT 1 are electrical
14. appears 1 Factory Default Slow 1 sec The set frequency is independent of the Internal Refresh of the instrument see Chapter 3 2 3 4 Under Multidrop RS485 mode the subsequent queries of the measures towards the HD2003 can have a maximum frequency of request not exceeding the set one here Under Extended Analog Output AoXnd mode the frequency here set is that of issuing of the command digital strings on the RS485 serial line connected to an ICP DAS I 7024 module supplied On request and it coincides with the frequency of updating of the analog outputs available at the terminals of the modules connected Bytyping EJ Fast Digital or Analog High Frequency mode is activated and on the lower screen side appears Fast Digital Delta Ohm Caselle di Selvazzano PD ITALY 23 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 Under Digital High Frequency the Output Data string in Serial RS232 or RS422 mode is supplied at a fixed 50Hz frequency under the following conditions Baud rate bit s 115200 Frequency measurement quantities 50Hz 4 A number of quantities higher than four or baud rates lower emission frequencies of Output data lower than 50Hz Under Multidrop RS485 mode the option Fast has no effect because the Digital High Frequency under RS485 is achieved by a command Chap 3 2 2 3 than 115200 bit s determine The Analog High Frequency is available only in
15. conducted and radiated emissions EN55022 2007 class B Delta Ohm Caselle di Selvazzano PD ITALY 43
16. 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 or the De ltaOHM HD32MT 1 datalogger 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 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 communication terminal emulation programs 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 ID x x according to the modes illustrated in Chapter 3
17. measurement is the same as for SoW If you use them as Analog Outputs and AoXnd you can set the engineering F S Chap 3 2 3 5 otherwise it is fixed 70 m s By typing D Speed in U V SUV Intensity in the same unit of measurement as for SoW Orientation B see Drawing DWG1HD2003 page 37 If you use it as Analog Output and AoXnd you can set the engineering F S Chap 3 2 3 5 otherwise it is fixed 0 70 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 and AoXnd you can set the engineering F S Chap 3 2 3 5 otherwise it is fixed 0 70 m s By typing D Azimuth Azimuth angle amplitude considered as shown in Chapter 1 1 and Chapter 2 3 Range 0 360 By typing E Elevation Elevation angle amplitude considered as shown in Chapter 1 1 Range 60 By typing Kl 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 3600 10 Delta Ohm Caselle di Selvazzano PD ITALY 20 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 By typing D Errors In the Output Data three numbers will appear from left to right corresponding to
18. modes RS232 and RS422 Serial Communication Mode Chap 3 2 A connection over a RS232 or RS422 Serial line is established between a Host Computer and only one HD2003 Anemometer The Host Computer S ave 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 or RS422 Serial communication mode the Digital High Frequency functioning can be set up by obtaining Output Data of the quantities in RS232 or RS422 at a fixed frequency of 50 Hz 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 50 Hz with a baud rate 115200
19. the AoXnd communication mode It allows to obtain the voltage or current analog output of the measuring quantities under interest at a frequency from 5Hz to 20Hz and for a maximum number of requested quantities according to the baudrate of the command digital strings in the RS485 line Baud rate bit s _ Frequency measurement quantities 9600 5Hz 4 19200 10Hz 4 38400 10Hz 10 57600 20Hz 4 115200 20Hz 7 The Digital or Analog High Frequency is automatically disabled when switching the HD2003 on again 3 2 4 LOGGING As shown in Chapter 3 2 3 by typing from the Main Menu the following screen page will display Sel L Path Len cm LevFrw LevRet Internal Calibration 1 1424 554 557 Ppiamelels Heating 2 1415 560 560 Chap 3 2 3 8 Gain 3 1410 550 554 Minimum Threshold Chap 3 2 3 2 Chap 3 2 3 3 e T P Analog Output Identicode ID Gain Heating Thresh Analog Output D 9335 Chop 3 2 3 10 1 10000 Y 20 0 1V Output Quantities Chap 3 2 3 6 Average Interval Chap 3 2 3 4 Transmission frequency Chop 3 2 3 11 Unit of Measurement Chap 3 2 3 7 Output Quantity Speed of sound Sonic temperature q0 q1 q2 compass U V W Speed of Wind Azimuth Elevation Errors Average Interval 2 min Output Rate 1 sec Wind Units m s Press any key Here are summarized the values set by the factory calibration as well as the current configuration of the main p
20. 0 to 15000 It allows to set a gain factor in 1 10000 for U V W components and consequently for SoW and SUV 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 MAMAS make sure that the number is within the 5000415000 range 3 2 3 3 MINIMUM THRESHOLD Typed Character E 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 20 Factory Default Type the digits of the desired value and then press IO according to the 0 500 range Delta Ohm Caselle di Selvazzano PD ITALY 15 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 2 3 4 AVERAGE INTERVAL Typed Character D 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 Average Interval 1 sec 2 min Esc Exit min 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 if you choose seconds Average Interval 2 sec Range 1 to 60 if you choose minutes Avera
21. 2 Rack Luxmeter LP PHOT o Pyranometer LP PYRA ER Am RS 232 lt COM Slave Computer 15m max Power supply 12 30 Vdc 5A 2W W With Heaters HD9787R4 Mod HD2003 1 Output quantities speed of wind Rain detector direction HD 2013 2 compass sonic temperature Esternal sensors Temperoture ond Relative Humidity HD9009TR temperature HD9009TR pressure HD9408T relative humidity HD9009TR Rack solar radiation LP PHOT or LP PYRA rain detector HD2013 2 Pressure HD9408T ZS Slave Computer 15m max Power supply 12 30 Vdc 5A 2W W With Heaters Luxmeter LP PHOT or Pyranometer LP PYRA I HD978TRA4 Delta Ohm Caselle di Selvazzano PD ITALY 13 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 2 3 SETUP The Setup allows the user to configure and parameterise the Anemometer according to his needs through linked Menus displayed in consecutive pages through a serial communication program such as Hyper Terminal or DeltaMet8u Delta Ohm demonstration software When opening a Menu that allows the selection between different 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 param
22. February 2013 Nelta REV 3 0 I HD2003 HD2003 1 THREE AXIS ULTRASONIC ANEMOMETER ENGLISH User Manual 2013 Delta Ohm Srl All Rights Reserved HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 INDEX 1 Introduction 1 1 Conventions 1 2 Models 1 2 1 Heaters Option 1 2 2 RS422 Option 1 3 Features 1 4 Operating Modes 1 5 Specifications 1 6 HD2003 Model Pressure Temperature Relative Humidity Sensors 2 Installation and Maintenance 2 1 Packaging 2 2 Mounting and Positioning 2 3 Alignment 2 4 Electrical Connections 2 4 1 Power Supply and Earthing 2 4 2 RS232 Serial Communication Mode 2 4 8 RS422 Serial Communication Mode 2 4 4 RS485 Multidrop Communication Mode 2 4 5 Analog Output Mode 2 4 6 Analog Output Extended Mode AoXnd 2 5 Maintenance 3 Programming 1 7 Introduction 1 8 RS232 and RS422 Serial Communication Mode 1 8 1 Parameter Setup 1 8 2 Measuring mode 1 8 2 1 RS232 Serial Mode Examples 1 8 3 Setup 1 8 3 1 Baudrate 1 8 3 2 Gain 1 8 3 3 Minimum Threshold 1 8 3 4 Average Interval 1 8 3 5 Analog Output Format 1 8 3 6 Output Quantities 1 8 3 7 Unit of Measurement 1 8 3 8 Sonic Transducer Heating 1 8 3 9 RS232 RS422 RS485 and AoXnd Communication Mode 1 8 3 10 Identicode 1 8 3 11 Output Rate and Digital Analog High Frequency 1 8 4 Logging 1 9 RS485 Multidrop Communication Mode 1 9 1 Parameter Setup 1 9 2 HD2003 Communication Pr
23. HD2003 SETTING From the Host computer select the measuring quantities to be converted into extended analog outputs their upgrading frequency the baudrate and the analog range by the RS232 serial communication for the electrical connections see Chapters 2 4 1 and 2 4 2 Select the Extended Analog Outputs mode and the number of modules to be connected according to the instructions at Chap 3 2 3 9 It is possible to choose the type and the order of the measuring quantities combined with the four additional analog outputs of each module by following the instructions on Chap 3 2 3 6 The frequency rate for the update of the extended analog outputs can be set by following the instructions on Chap 3 2 3 11 Baudrate analog range and number of modules related to the addresses of the modules must match those set in each ICP DAS 1 7024 module previous Chap 3 5 1 The baudrate is selected according to the instructions on Chapter 3 2 3 1 while the range is selected according to the information on Chapter 3 2 3 5 Remove the electrical connections of the RS232 communication mode and connect the Anemometer to each ICP DAS l 7024 module by making the electrical connections as described on Chapters 2 4 1 and 2 4 6 for the Extended Analog Output mode After providing electricity the HD2003 Master works under Measure by spontaneously providing command strings to the frequency set on the RS485 serial line directly connected to each ICP DA
24. S 1 7024 remote module Slave Four extended analog outputs active in the selected analog range and related to the measured quantities desired are available at the output terminals of each module If the measuring quantities chosen correspond to the anemometric quantities the engineering ranges are the same preset or set by the user according to Chapter 3 2 3 5 with the only speed of wind possible unit m s Whether they included the quantities present at the analog inputs the engineering ranges are those set by the user according to the procedures in Chapter 3 2 3 6 Delta Ohm Caselle di Selvazzano PD ITALY 32 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 It is possible to change the HD2003 settings from the Host computer also on the RS485 line by using an RS232 RS485 converter such as ICP DAS 1 7520 supplied On Request between the RS232 serial port of the Host computer and the ICP DAS 1 7024 module From a Host Computer start a serial communication program as Hyper Terminal and by following the instructions on Cap 3 2 1 send to Setup the queried HD2003 unit and then the page Main Menu will be received Chapter 3 2 3 In practice the serial communication program can handle the Setup of the queried HD2003 unit on the RS485 line in the same way as for the RS232 and RS422 Serial Communications After exiting the Setup the HD2003 unit returns to Master in Measure 3 5 3 EXAMPLES OF ANALOG OUTPU
25. T EXTENDED MODE HD2003 1 R ICP DAS 1 7024 ICP DAS OUT I 7520 0 10 V Vout 0 Data Logger H032MT Priwe supply 12 30 Vdc IS A Anemometer side DI r gt PC siae The Host computer is used only to configure the ICP DAS l 7024 modules and the Anemometer or for debug The Analog Outputs of the module converge for storage in the datalogger DeltaOhm HD32MT 1 placed close to the module The journey of analog signals is very short so it is not affected by electromagnetic interferences Delta Ohm Caselle di Selvazzano PD ITALY 33 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 Fic 1 HD2003 CONNECTOR Multipolar cable 5m 10m and plug Delta Ohm Caselle di Selvazzano PD ITALY 34 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 26 pole CONNECTOR Connector Symbol Description Label H PWR Negative Power Supply J PWR Tx Negative Power Supply Tx B RS422 G PWR Positive Power Supply K PWR Tx Positive Power Supply Tx A RS422 F DATA Rx Pole B RS485 Rx B RS422 W DATA Rx Pole A RS485 Rx A RS422 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 OUTVA Analog Out voltage 4 M OUTV5 Analog Out voltage 5 D REF Analog ground of vo
26. TALY 10 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 2 4 6 ANALOG OuTPUT EXTENDED MODE AOXND With ICP DAS I 7024 module On request when placing the order This mode can be selected via software Chap 3 2 3 9 Realize a connection with shielded twisted pair between the HD2003 and the module ICP DAS l 7024 e The cable length between the most extreme points of the RS485 line can be at max 1 200m For a long distance connection a 2402 resistance in parallel between DATA and DATA of the ICP DAS l 7024 module is recommended AoXnd connections Terminal HD2003 Connector Symbol ICP DAS I 7024 DATA F DATA DATA W DATA Power Supply ICP DAS l 7024 module The same power supply can be used for the HD2003 Power Supply Terminal 12 30 Vdc ICP DAS I 7024 polo R Vs polo B GND In order to use the 5 voltage analog outputs of theHD2003 together with those of the ICP DAS 1 7024 module so to have a single ground reference you should connect HD2003 Connector Symbol Terminal ICP DAS I 7024 D REF AGND 2 5 MAINTENANCE The HD2003 maintenance consists of periodic checks in order to e 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 s
27. TALY 40 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 ACCESSORIES ANEMOMETERS EIL d9 3 i 2580 HD 2003 84 HD 2003 85 HD 2003 79 HD 2003 83 HD 2003 83 1 HD 2003 77 C HD 2013 2 14 HD 2003 77 HD 2003 74 HD 2003 71 HD 2003 73 HD 2003 72 Ka wo N 2 ett HD 2013 2 13 HD 2003 78 HD 2003 75 d Kee 3 Delta Ohm Caselle di Selvazzano PD ITALY 41 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 CERTIFICATO DI CONFORMIT DEL COSTRUTTORE MANUFACTURER S CERTIFICATE OF CONFORMITY rilasciato da issued by DELTA OHM SRL STRUMENTI DI MISURA DATA DATE 2013 06 05 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 garantita da una catena di riferibilit che ha origine dalla taratura dei campioni di prima linea dei laboratori accreditati di Delta OHM presso l Istituto Primario Nazionale di Ricerca Metrologica The traceability of measures assigned to international and national reference samples is guaranteed by a reference cha
28. ansducers 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 defrosting time depends on the quantity of snow that has deposited on the measurement volume which house the ultrasonic sensors The models equipped with the heaters option are named with the additional letter R HD2003R HD2003 1R 1 2 2 RS422 OPTION The RS422 serial communication mode works with an internal circuit which must be requested as an option when ordering and which provides a 4 wire full duplex communication Delta Ohm Caselle di Selvazzano PD ITALY 3 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 1 3 FEATURES The HD2003 main features are 99999 oo Determination of anemometric quantities with different units of measurement wind speed and direction U V W Cartesian components sonic temperature and speed HD2003 Model Additional quantities measured Pressure Temperature Relative Humidity 5 analog outputs in current or voltage with different ranges Up to 12 extended analog outputs in current and voltage at different measuring ranges 4 digital communication interfaces RS232 Serial RS422 Multidrop RS485 and AoXnd Di
29. arameters that can be managed by the user in Setup Press any key to go back to the Main Menu Delta Ohm Caselle di Selvazzano PD ITALY 24 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 3 RS485 MULTIDROP COMMUNICATION MODE 3 3 1 PARAMETER SETUP From the Host Computer start an RS485 communication program made by the user 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 like ICP DAS 1 7520 supplied On Request to be placed between the RS232 serial port of the Computer Host and the network of the HD2003 A USB RS232 converter can be also necessary like De taOHM C205M supplied On Request Set the following communication parameters in the RS485 communication program 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 th
30. circuit which controls the sonic transducer heating in severe climatic conditions Heating prevents ice formation or the deposit of sleet on sonic transducers and activates the dissolution of the deposit of snow sleet in the sonic transducers guaranteeing their correct functioning 3 2 3 9 RS232 RS422 RS485 AND AOXND COMMUNICATION MODE Typed Character E COMM Mode How to select RS232 Serial RS422 RS485 Multidrop or AoXnd Communication Mode Screen page COMM Mode RS232 RS485 RS422 AoXnd Esc Exit Enter Save PE RS232 From the Menu you can select the desired communication mode By typing EM EI EJ EM the corresponding mode appears For example by typing ER RS485 appears La RS422 mode of entry E On request refers to models equipped with 4 wire full RS422 duplex integrated chip communication 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 H on the keyboard of the Host computer after switching the HD2003 on during auto ranging which takes a few seconds you force RS232 Serial mode to run even though for example RS485 Multidrop or AoXnd or RS422 mode was previously stored
31. d RS232 or RS422 as shown in Chapters 2 4 1 2 4 2 and 2 4 3 After the power supply of the instrument has been switched on the HD2003 will enter the auto ranging 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 H 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 16 Each quantity s measured value is formatted into 8 ASCII characters right 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 lt LF gt lt CR gt characters Delta Ohm Caselle di Selvazzano PD ITALY 12 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 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
32. ding 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 Baud rate bit s _ Frequency measurement quantities 115200 50Hz 4 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 Delta Ohm Caselle di Selvazzano PD ITALY 29 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 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 Fig 1 HD2003 Connector OUTV1 OUTV2 OUTV3 OUTV4 OUTV5 or OUTmA1 OUTmA2 OUTmA3 OUTmA4 OUTmA5 are available on Analog Outputs terminals For the HD2003 Model analog conversion for Temperature Relative Humidity Pressure is also possible The Analog Output mode is always active together with Serial RS232 RS422
33. e 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 ICP DAS Converter T5555 RS232 RS485 RS 232 RS 485 gt Power Supply 12 30 Vdc 5A 1200m Max gt 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 S ave will work on Stand by continuing to execute its normal measurement cycle waiting for commands from the Computer Host Master Delta Ohm Caselle di Selvazzano PD ITALY 25 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 As an alternative to the Host Computer it is possible to connect the Anemometers in the Multidrop RS485 network by commanding from the DeltaOHM HD32MT 1 datalogger It is possible to connect a maximum of 8 Anemometers to the data logger This data logger has an internal RS485 communication program that already responds to the requirements of the HD2003 Communications Protocol Mod HD2003 and HD2003 1 1200m max 3 3 2 HD2003 COMMUNICATION PROTOCOL The HD2003 can receive four types of commands from the RS485 communication program of the Computer Host or of the Delta OHM HD32MT 1 datalogger Output Data Command Setup Command Digital High Freq
34. e Host computer start a serial communication program as Hyper Terminale then select and set the following Men Port Configuration Bit per second 9600 Data bit 8 Parity None Stop bit 1 Flow Control None From Hyper Terminal transmit the command 9 001 AA TT CC 00 Enter Delta Ohm Caselle di Selvazzano PD ITALY 31 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 where AA 00 01 02 ICP DAS I 7024 Modules first second third TT 30 31 32 34 Range 0 20mA 4 20mA 0 10V 0 5V lt CC gt 06 07 08 09 OA Baud rate 9600 19200 38400 57600 115200 Examples by choosing a baudrate 19200 and a range 0 10V and by using 1 module the command is 0100320700 lt Enter gt Response 0000320700 by choosing a baudrate 115200 and a range 4 20mA using 3 modules the commands are 0100310A00 lt Enter gt first module Response 0000310A00 0101310A00 lt Enter gt second module Response 0101310A00 960102310A00 Enter third module Response 0202310A00 Remove the connection referred to in paragraph 3 above f the baudrate has been changed setting it to a different value from 9600 default module the settings are operative when the module is re started The module settings for baudrate range and address related to the number of modules must coincide with those of the HD2003 Chapter 3 5 2 3 5 2
35. e 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 directionz North U direction 2 East W direction 2 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 HD2003 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 EJ on the keyboard of the Host computer when turning the HD2003 on auto ranging 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 37 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 s
36. easurement Quantities mA OUTmA1 Speed of Wind OUTmA2 Direction Azimuth OUTmA3 Pressure OUTMA4 Temperature OUTmA5 Relative Humidity The NEGATIVE pole mA is available at the pole J PWR of the HD2003 connector Cap 2 4 5 Delta Ohm Caselle di Selvazzano PD ITALY 39 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 HD2003 1 MODEL DEFAULT ANALOG OUTPUT TERMINALS When the Anemometer HD2003 1 model comes out of the factory has a default configuration for the measuring quantities available at the terminals of the Analog Outputs For a personalized choice of measuring quantities to be combined with Analog Outputs please refer to Chapter 3 2 3 6 For the table of the Analog Output PINS please refer to 26 pole CONNECTOR page 35 5 Analog Outputs in voltage 0 1V 0 5V 0 10V 1 5V Analog Out Measurement Quantities V OUTV1 Speed of Wind OUTV2 Direction Azimuth OUTV3 Sonic Temperature OUTV4 Compass OUTV5 Free The NEGATIVE pole V is available at pole D REF of the HD2003 connector Chap 2 4 5 5 Analog Outputs in current 0 20mA 4 20mA Analog Out Measurement Quantities mA OUTmA1 Speed of Wind OUTmA2 Direction Azimuth OUTmA3 Sonic Temperature OUTMA4 Compass OUTmA5 Free The NEGATIVE pole mA is available at pole J PWR of the HD2003 connector Chap 2 4 5 Delta Ohm Caselle di Selvazzano PD I
37. eference 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 Vertical 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 frequ
38. ency 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 eral Esc key IS Enter key ES A key Delta Ohm Caselle di Selvazzano PD ITALY 2 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 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 peculiar characters CR Carriage Return lt LF gt Line Feed e Output Data It is the digital string of all formatted measuring data available for RS232 RS422 AoXnd 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 Pressure Temperature Relative Humidity 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 tr
39. ent the format of the x th numeric right justified data with spaces before the sign numeric digits decimal point 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 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 IIIMal amp 2 23 28 34 0 34 28 30 359 3 1 3 amp AAAMaAA CR 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 ID Z IIIIMZI amp 3 23 29 17 0 37 29 40 358 4 1 5 11 13 1 85 amp AAAMZAA CR 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 ID f IIIMfI amp 5 23 19 18 1 54 16 00 1 06 amp AAAMfAA CR Delta Ohm Caselle di Selvazzano PD ITALY 28 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 3 2 3 H COMMAND DIGITAL HIGH FREQUENCY ENABLE L COMMAND DIGITAL HIGH FREQUENCY DISABLE The RS485 communication program after sen
40. eter 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 amp or DeltaMet8u Delta Ohm demonstration software is the following DeltaOHM Anemometer HD2003 Rel 3 0 gt Menu S Setup L Logging Esc Exit Sel Press M to go back to Measuring Mode see Chapter 3 2 2 Type KJ to enter the Setup Menu Type to display the Logging see Chapter 3 2 4 SETUP MENU The screen page displays Setup 1 Baud To select the RS232 RS422 RS485 or AoXnd 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 Analog Output To select the analog range and wind speed range for Analog Outputs and AoXnd 6 Output Quantity To select output quantities in RS232 RS422 RS485 AoXnd 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 T
41. ge Interval 2 min Range 1 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 RS422 RS485 or AoXnd 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 3 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 D Analog Output
42. gital 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 Operating mode at High Digital Frequency with serial data output at 50 Hz or High Analog Frequency with analog data output from 5Hz to 20Hz 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 demonstration software which can be adapted to the customer s requirements through a computer interface Setup user interface and software upgrade via RS232 RS422 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 On request RS422 Option 4 wire full duplex RS422 communication integrated circuit Delta Ohm Caselle di Selvazzano PD ITALY 4 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 1 4 OPERATING MODES The HD2003 has five operating
43. he HD2003 Model the following correspondence exists q0 Pressure 600 1100mbar ql gt Temperature 40 60 C q2 gt Relative Humidity 0 100 q3 Optional q4 Optional Delta Ohm Caselle di Selvazzano PD ITALY 19 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 Therefore if you type characters Jl referring to Pressure H referring to Temperature El 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 g4 with two 0 1V external sensors connectable to the Anemometer Thus two additional measurements are added to the output quantities already available in the HD2003 Quantities q0 ql q2 are already combined with Pressure Temperature Relative Humidity respectively HD2003 1 Model When ordering you can combine additional quantities q0 ql q2 q3 q4 with five 0 1V external sensors connectable to the Anemometer Thus five additional measurements are added to output quantities of the HD2003 1 By typing El U V W Intensity with sign of the three Cartesian components U V W of wind speed Orientation B see Drawing DWG1HD2003 page 37 Sign appears if the component measured is in the same direction of the standard reference otherwise sign appears The unit of
44. her with 12Vdc plug for main power supply ICP DAS I 7024 CR Module for Extended Analog Output mode Indicate how many modules up to a maximum of 3 and which configuration is needed ICP DAS I 7520 CR Converting module RS232 RS485 for the RS485 Multidrop mode and the Extended Analog Output mode C205M USB RS232 converter cable with USB connector on one side and a 9 pin male connector on the other Also it is fundamental to specify whether any of the following is requested HD2003 communication and HD2003 1 Model the integrated circuit for RS422 4 wire full duplex HD2003 Model to extend the output quantities by using external sensors with analog output signal 0 1V to be connected to the anemometer as input sensors Specify how many sensors are used up to a maximum of two and their range so for linearization of the scale 0 1V HD2003 1 Model to extend the output quantities by using external sensors with analog output signal 0 1V to be connected to the anemometer as input sensors Specify how many sensors are used up to a maximum of five and their range so for linearization of the scale 0 1V Delta Ohm Caselle di Selvazzano PD ITALY 36 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 A A E E N Y E E o 8 Earthing screw Connector Y EUN A AI 33 mm E Support pole 40 mm Orientation A o Orientation B Free positioning sd Compa
45. ial address 00 01 02 see Chap 3 5 1 and each module has 4 analog outputs Starting from the string of the output quantities and following the same order used to select them the quantities are available in groups of four to the terminals 0 1 2 3 of the modules moving progressively from the module addressed 00 continuing to 01 if used then to 02 if used The output quantities which are exceeding with respect to those on the modules are ignored If the string of the output quantities has a number of quantities lower than those available on the modules it means that the remaining analog channels on the modules are unused For instance HD2003 Model If the string of the output quantities is set to 78012tc that is to say with seven quantities it means it is necessary to use two ICP DAS 1 7024 modules the first one with address 00 e and the second one with address 01 The first four quantities of the string corresponding to 7801 Wind Speed Azimuth Pressure Temperature are available at the terminals 0 1 2 3 current or voltage of the module 00 The remaining three quantities 2tc RH Sonic Temperature Compass are available at the terminals 0 1 2 current or voltage of the module 01 Cap 3 5 1 CUSTOM FORMAT MENU By typing D H El El E q0 q1 q2 q3 q4 HD2003 Model The arbitrary selection of ol D H allows to include the measurement of an additional meteorological quantity in the output quantities In t
46. in which source is the calibration of Delta OHM accredited laboratories reference samples at the Primary National Metrological Research Institute Tipo Prodotto Anemometro ad Ultrasuoni a Tre Assi Product Type Three Axis Ultrasonic Anemometer Nome Prodotto HD2003 HD2003 1 Product Name Responsabile Qualit a Head of Quality FT Aw WwW T e 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 Iva 1T03363960281 N Mecc PD044279 R E A 306030 ISC Reg Soc 68037 1998 Delta Ohm Caselle di Selvazzano PD ITALY 42 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 GUARANTEE eta TERMS OF GUARANTEE All DELTA OHM instruments are subject to accurate testing and are guaranteed for 24 months from the date of purchase DELTA OHM will repair or replace free of charge the parts that within the warranty period shall be deemed non efficient according to its own judgement Complete replacement is excluded and no damage claims are accepted The DELTA OHM guarantee only covers instrument repair The guarantee is void in case of incidental breakage during transport negligence misuse connection to a different voltage than that required for the appliance by the operator Finally a product repaired or tampered by unauthorized third parties is excluded from the guarantee The instrument shall be returned FREE
47. ltage U OUTmA1 Analog Out current 1 b OUTmA2 Analog Out current 2 a OUTmA3 Analog Out current 3 N OUTmA4 Analog Out current 4 C OUTmA5 Analog Out current 5 T QO Reserved S Q1 Reserved P Q2 Reserved B Q3 Reserved A Q4 Reserved R SHIELD Shielding The columns Symbol and Description indicate in brackets the significance of the four PIN used in RS422 4 wire full duplex mode On Request Delta Ohm Caselle di Selvazzano PD ITALY 35 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 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 Pressure Temperature Relative Humidity HD2003 R Three Axis Ultrasonic Anemometer with internal sensors of Pressure Temperature Relative Humidity with Heaters Option HD2003 1 Three Axis Ultrasonic Anemometer HD2003 1R Three Axis Ultrasonic Anemometer with Heaters Option CP2003 5 Cable D 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 621N 16A 16 26S 4 0445 for plug pin see Fig 1 HD2003 Connector RS2003 Cable with a USB connector on one side and 26 pin connector waterproof from the ot
48. ly insulated and are not subject to disturbances and interference in the electrical path forming as it happens in the analog signals that come directly from anemometer and have a long way before reaching acquisition device Under this mode of AoXnd communication the High Frequency Analog operation can be set by getting the analog output of the measuring quantities needed at a frequency of 5Hz to 20Hz depending on the baud rate of the digital strings of command over the RS485 line The RS232 Serial RS422 RS485 Multi drop and AoXnd 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 Delta Ohm Caselle di Selvazzano PD ITALY 5 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 1 5 SPECIFICATIONS Output quantities Anemometric Wind speed and direction U V W components sound speed sonic temperature Meteorological HD2003 Model Pressure Temperature Relative Humidity Heading Compass with magnetic azimuth gt Wind Speed Unit m s cm s km h knots mph Range 0 70 m s 252 km h Resolution 0 01 m s Accuracy 1 of reading gt Wind Direction Range Azimuth 0 360 Elevation 60 Resolution 0 1 Accuracy ap dl gt Sound Speed Range 300 380 m s Resolution 0 01 m s
49. n when sleeting or snowing RS422 Option On request when placing the order Integrated circuit for communication RS422 4 wire full duplex Weight Environmental Conditions HD2003 2 1Kg Temperature Range 40 60 C HD2003 1 1 5Kg EMC CE Regulations Precipitation Operation ensured up to 300mm hr of water Humidity 0 10096 RH The HD2003 application fields are continuously developing thus Delta Ohm reserves the right to change this specifications without prior notice Delta Ohm Caselle di Selvazzano PD ITALY 6 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 1 6 HD2003 MopEL PRESSURE TEMPERATURE RELATIVE HUMIDITY SENSORS Pressure Piezo resistive Sensor Analog Output 0 20mA 4 20mA 0 1V 0 5V 0 10V 1 5V Analog Output Extended AoXnd 0 20mA 4 20mA 0 5V 0 10V 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 1mbar in 6 months 20 C Temperature Sensor Pt100 Analog Output 0 20 mA 4 20 mA 0 1V 0 5V 0 10V 1 5V Analog Output Extended AoXnd 0 20mA 4 20mA 0 5V 0 10V 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 20mA 4 20mA 0 1V 0 5V 0 10V 1 5V Analog Output Extended AoXnd 0 20mA 4 20mA 0 5V 0 10V Range 5 98 RH Resolution 0 1 Accuracy
50. o enable the heating circuit of sonic transducers 9 COM Mode To select RS232 Serial RS422 RS485 or AoXnd communication mode I ID To set the instrument identicode for RS485 Multidrop mode R Output Rate To set Digital Analog High Low Frequency of output quantity transmission in RS232 RS422 RS485 and AoXnd Esc Exit Type the alphanumeric character next to each Menu item in order to activate the corresponding submenu Delta Ohm Caselle di Selvazzano PD ITALY 14 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 2 3 1 BAUD RATE Typed Character E Baud How to set RS232 RS422 RS485 and AoXnd baud rate The screen page displays 5 Baudrate N 8 2 9600 19200 38400 57600 115200 Esc Exit Enter Save VERD ME 115200 By typing a number displayed among the Menu items the relevant baud rate will appear For example by typing FP 19200 will appear After selecting the desired baud rate number press to enable the Anemometer at the new baud rate 2115200 Factory Default When baud rate changes the Hyper Terminal amp Port Configuration 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 or AoXnd Note Press any key in order to get a new screen page 3 2 3 2 GAIN Typed Character RH Gain How to set the Gain factor The screen page displays Sel 2 10000 Gain Range 500
51. onic transducers support rods etc Verification and possible elimination of the snow mass deposited in the measurement volume The presence of a large amount of snow in the volume between the sonic sensors delays the process of thawing Heaters Option 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 Delta Ohm Caselle di Selvazzano PD ITALY 11 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 3 PROGRAMMING 3 1 INTRODUCTION RS232 Serial RS232 RS485 Multidrop and AoXnd Communication modes are selected via software as shown in Chapter 3 2 3 9 The Setup user interface is available for all modes 3 2 RS232 AND RS422 SERIAL COMMUNICATION MODE 3 2 1 PARAMETER SETUP From the Host Computer open a serial communication program such as Hyper Terminal amp or DeltaMet8u which is Delta Ohm demonstration software By using Hyper Terminal select and set up the following Menus e Port Configuration Bit per second HD2003 baud rate 115200 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 an
52. otocol 1 9 2 1 S Command Setup 1 9 2 2 M Command Output Data 1 9 2 3 H Command Digital High Frequency enable L Command Digital High Frequency disable 1 10 Analog Output Mode 1 10 1 Analog Output Mode Examples 1 11 Analog Output Extended Mode AoXnd dis dL db Setting ICP DAS I 7024 module d Setting HD2003 dab sy Analog Output Extended Mode Examples 4 How to Order 4 1 Order codes Delta Ohm Caselle di Selvazzano PD ITALY 1 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 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 r
53. rmat 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 Example 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 OUTV1 t Sonic Temperature V OUTV2 7 Speed of wind OUTV3 8 Azimuth Z OUTVA c Compass M OUTV5 NB In this example an analog voltage range has been selected Chap 3 2 3 5 ANALOG OUTPUT EXTENDED MODE AoXND Under Extended Analog Output mode the formatting of the output quantities is totally transparent to the user who will have these quantities available to the terminals provided for the Analog Outputs in the ICP DAS L 2024 modules used converted to the output analog ranges used as described under Chap 3 2 3 5 and Chap 3 5 1 The number of the ICP DAS 1 7024 modules used can be maximum three with a sequent
54. sc Exit 78012tce Sel max 12 You can select the type and order of measured quantities which will appear from left to right in Output Data supplied in Serial RS232 RS422 mode or obtained after a query in RS485 Multidrop mode For the Extended Analog Output AoXnd mode it is possible to choose the type and order of the measuring quantities in group of four matched to the 4 Analog Outputs available to the terminals of each ICP DAS 1 7024 module used For Analog Output mode you can choose the type and order of measured quantities coupled with the five Analog Outputs available to the connector of the Anemometer The string of desired output quantities is established by typing in the desired order the corresponding alphanumeric characters which appear on Menu 78012tce HD2003 Factory Default 78tce HD2003 1 Factory Default The string may consist of 12 alphanumeric characters at most RS232 SERIAL RS422 AND RS485 MULTIDROP MODE For output quantities format in RS232 Serial mode and RS422 see Chapter 3 2 2 Measuring mode for RS232 Serial and RS422 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 Delta Ohm Caselle di Selvazzano PD ITALY 18 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 ANALOG OUTPUT MODE In Analog Output mode the output quantities fo
55. ss direct reading from HD2003 0 0 0 1 HD2003 Ultrasonic Anemometer Drawing DWG1HD2003 37 Delta Ohm Caselle di Selvazzano PD ITALY HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 A A E E lt N Y E E N B Earthing screw Connector Y b Q 33 mm c E a Support Pole Y DE 40 mm Orientation A T Orientation B Free positioning Compass direct reading from HD2003 1 0 0 0 1 HD2003 1 Ultrasonic Anemometer Drawing DWG1HD2003 1 38 Delta Ohm Caselle di Selvazzano PD ITALY HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 HD2003 MODEL DEFAULT ANALOG OUTPUT TERMINALS When the Anemometer HD2003 model comes out of the factory has a default configuration for the measuring quantities available at the terminals of the Analog Outputs For a personalized choice of measuring quantities to be combined with Analog Outputs please refer to Chapter 3 2 3 6 For the table of the Analog Output PINS please refer to 26 pole CONNECTOR page 35 5 Analog Outputs in voltage 0 1V 0 5V 0 10V 1 5V Analog Out Measurement Quantities V OUTV1 Speed of Wind OUTV2 Direction Azimuth OUTV3 Pressure OUTV4 Temperature OUTV5 Relative Humidity The NEGATIVE pole V is available at the pole D REF of the HD2003 connector Chap 2 4 5 5 Analog Outputs in current 0 20mA 4 20mA Analog Out M
56. sturbances 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 37 with a 1 5 mm cable Earthing screw Connector Support pole The connection in the figure was performed by using a screw on the support pole It s also possible to make the connection by using a cable tie 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 RS232 serial port It could be necessary also a USB RS232 converter such as deltaOHM C205M provided On Request 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 e RS232 connections RS232 Port computer side HD2003 Connector Symbol 9 pole Cannon connector pin 2 Y TXD pin 3 L RXD pin 5 X SG Delta Ohm Caselle di Selvazzano PD ITALY 9 HD2003 HD2003 1 Ultrasonic Anemometers 2 4 3 RS422 SERIAL COMMUNICATION MODE Rev 3 0 February 2013 This mode can be selected via software Chap 3 2 3 9 Connect the cable of the HD2003 to the RS232 RS422 converter connected to the computer The cable length can be at maximum 1 200m RS422 connections RS422 Port
57. uency Enable Disable commands datalogger excluded 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 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 ID Identicode of the queried HD2003 unit An alphanumeric character 0 1 9 A Z a z x An indifferent character Any character Delta Ohm Caselle di Selvazzano PD ITALY 26 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 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 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
58. ymbol 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 Various lengths of the cable are available On request USB cable The HD2003 can be supplied with a cable for connection to the USB port of a PC and a power supply Delta Ohm Caselle di Selvazzano PD ITALY 8 HD2003 HD2003 1 Ultrasonic Anemometers Rev 3 0 February 2013 2 4 1 POWER SUPPLY AND EARTHING Power supply 12 30 Vdc 110mA 15Vdc without Heaters Option 400mA 15Vdc and 10 C with Heaters Option heating circuit activated Power Supply HD2003 Connector Symbol 12430 Vdc pole G PWR pole H 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 absorption from 5A to 1A first 5sec 9 15Vdc and 20 C For greater effectiveness of the heating circuit it is advisable to use a Power Supply of 30Vdc by connecting two pairs of wires one towards the poles G and K PWR and the other one towards the poles and J and H PWR of the connector of the HD2003 In RS422 the poles K and J are not available e Earth Connection The earth connection is fundamental to protect against electromagnetic di

HD2003-HD2003.1 - Delta Ohm S.r.l.

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