senseca HD51.3D Series Operating Manual
  1. Manuals
  2. Brands
  3. senseca Manuals
  4. Measuring Instruments
  5. HD51.3D Series
  6. Operating manual

senseca HD51.3D Series Operating Manual

Ultrasonic anemometers
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
OPERATING MANUAL
HD51.3D... series
Ultrasonic anemometers
EN
V3.0

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the HD51.3D Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for senseca HD51.3D Series

Summary of Contents for senseca HD51.3D Series

  • Page 1 OPERATING MANUAL HD51.3D… series Ultrasonic anemometers V3.0...

  • Page 2: Table Of Contents

    HD51.3D… - Ultrasonic anemometers V3.0 Contents Introduction ......................3 Models ......................4 Technical specifications ..................5 Description ......................8 Wind speed and direction measurement ............... 9 Measurement compensation with compass and tilt angles ........10 Installation ......................11 Alignment of the instrument ................12 Electrical Connections..................

  • Page 3: Introduction

    HD51.3D… - Ultrasonic anemometers V3.0 Introduction The instruments of the series HD51.3D… are 2-axis ultrasonic static anemometers. In addition to the measurements of wind speed and direction, they also provide the U-V Cartesian compo- nents of wind speed and the Wind Gust values.

  • Page 4: Models

    HD51.3D… - Ultrasonic anemometers V3.0 Models The table below shows the optional features of the various models of the series. OPTIONS R.H. Global Compass Barom. Bird Analog Model solar Heating pressure spikes outputs Temp. radiation Tilt Models with housing in technopolymer HD51.3D[K][A][R][V…] ...

  • Page 5: Technical Specifications

    HD51.3D… - Ultrasonic anemometers V3.0 2 Technical specifications Models in technopolymer Models in aluminum alloy HD51.3D[P][1][4][7][A][R] HD51.3D[4][A]R-AL Wind speed Sensor Ultrasounds Measuring range 0…85 m/s (versions without T/RH) 0…80 m/s 0…75 m/s (versions with T/RH) Resolution 0.01 m/s Accuracy ± 0.2 m/s or ± 2% of measure, the greatest (0…65 m/s) ±...
  • Page 6 HD51.3D… - Ultrasonic anemometers V3.0 General features Instrument power supply 12…30 Vdc (excluding heater) (15…30 Vdc for 0…10 V analog output, if available) Instrument power consumption 60 mA @ 24 Vdc (excluding heater) Serial outputs Isolated RS232, RS485 and RS422 Communication protocols NMEA, MODBUS-RTU, ASCII proprietary Analog outputs...
  • Page 7 HD51.3D… - Ultrasonic anemometers V3.0 Dimensions (mm) HD51.3D[4][A][R] HD51.3DP[4][A][R] HD51.3D[4]R-AL HD51.3D1[4]7[A][R] HD51.3DP1[4]7[A][R] Page 7 of 40...

  • Page 8: Description

    HD51.3D… - Ultrasonic anemometers V3.0 3 Description Basic versions Version in Version in anodized aluminum alloy technopolymer Versions with optional measuring sensors (only versions in technopolymer) 1. Ultrasonic sensors for the measurement of wind speed and direction 2. Mast fixing clamp 3.

  • Page 9: Wind Speed And Direction Measurement

    HD51.3D… - Ultrasonic anemometers V3.0 4 Wind speed and direction measurement Wind speed and direction are determined by measuring the time taken by ultrasonic pulses to cover the distance from the transducer that generates the pulse to the receiving transducer. The instrument uses 2 pairs of transducers oriented along two orthogonal axes.

  • Page 10: Measurement Compensation With Compass And Tilt Angles

    HD51.3D… - Ultrasonic anemometers V3.0 Measurement compensation with compass and tilt angles For an accurate measurement, the anemometer must be correctly oriented with respect to the North and must be installed in an exactly vertical position. In the models equipped with com- pass and tilt angles detection (option A in the instrument code), the misalignment with respect to the North and the vertical axis is automatically compensated by the instrument, allowing an accurate measurement whatever the position of the instrument.

  • Page 11: Installation

    HD51.3D… - Ultrasonic anemometers V3.0 5 Installation To install the instrument, pass the connection cable inside the support mast and connect the 19-pole M23 female connector of the cable to the 19-pole M23 male connector situated at the bottom of the instrument. Ensure connection stability by tightening the connector external nut. Align the instrument (see par.

  • Page 12: Alignment Of The Instrument

    HD51.3D… - Ultrasonic anemometers V3.0 In the presence of close objects, it is advisable to place the instrument at a height of 10 m. If the instrument is installed on a building, the height of the instrument should be at least 1.5 times the minimum value between the height of the building and the roof longest diagonal.

  • Page 13: Electrical Connections

    HD51.3D… - Ultrasonic anemometers V3.0 Electrical Connections All connections are performed through a 19-pole M23 male connector situated at the bottom of the instrument. The figure and the table below show numbers and function of the connector contacts and the corresponding colors of the optional CP51.x cable wires: Reference Visible side male...

  • Page 14: Rs232 Serial Connection

    HD51.3D… - Ultrasonic anemometers V3.0 5.2.1 RS232 serial connection RS232 Port Reference of female connector (solder side) Power supply For RS232 connection, TX-, RX+ and serial GND signals (pin 9, 3 and 8 of M23 connector) are used, to be connected respectively to RX, TX and GND signals of RS232 port on PC (pin 2, 3 and 5 of 9-pole SubD connector).

  • Page 15: Rs422 Serial Connection

    HD51.3D… - Ultrasonic anemometers V3.0 add a signal repeater between a segment and the successive one. Line termination should be applied at both ends of each segment. The maximum length of the cable depends on the transmission speed and the cable character- istics.

  • Page 16: Analog Outputs Connection

    HD51.3D… - Ultrasonic anemometers V3.0 5.2.4 Analog outputs Connection Connect the outputs according to one of the two schemes below, depending on the output type, current (standard) or voltage (on request), available in the instrument. OUT 1 and OUT 2 are associated to wind speed and direction respectively. In order to change the type of speed and direction measurements associated to the outputs (e.g., to associate to the outputs the U-V Cartesian components), see chapter 6.

  • Page 17: Auxiliary Rs485 Serial Output Connection

    HD51.3D… - Ultrasonic anemometers V3.0 5.2.6 Auxiliary RS485 serial output connection The auxiliary RS485 serial output can be used as an alternative to the main serial connection (except in the models measuring temperature and relative humidity) for connecting the in- strument to the PC, for the configuration of the instrument via serial commands (with a stand- ard serial communication program) or the use of the HD52.3D-S application software.

  • Page 18: Serial Output Protocol

    HD51.3D… - Ultrasonic anemometers V3.0 loadable from Delta OHM website, should be installed in the PC (see the guide to USB drivers installation in the Documentation section of the software package). The instrument is powered directly from the USB port of the PC. Serial output protocol Unless otherwise requested, at the first power up the instrument main serial output starts in configuration mode and waits to receive the commands for setting the operating parameters...

  • Page 19: Configuration

    HD51.3D… - Ultrasonic anemometers V3.0 6 Configuration Configuration mode allows reading the instrument general info (firmware version, serial num- ber, …) and to set the instrument operation mode and operation parameters. The configura- tion of the instrument can be done in two ways: •...
  • Page 20 HD51.3D… - Ultrasonic anemometers V3.0 Note 1: after sending the CUMn command, the instrument remains in configuration mode. Power cycle the instrument to activate the set operating mode. Parameters for RS232 and RS485 ASCII proprietary modes: Command Reply Description CU1Ac &| Sets the address for RS485 ASCII proprietary mode to c value...
  • Page 21 HD51.3D… - Ultrasonic anemometers V3.0 Command Reply Description CU1Dcccccc &| Sets measurements order in the string sent in ASCII proprietary mode In the sequence ccccccccccc, each character identifies a measurement according to the following correspondence: 0  Barometric Pressure 1  Temperature (sensor Pt100) 2 ...
  • Page 22 HD51.3D… - Ultrasonic anemometers V3.0 V axis V axis North reference arrow North reference on the opposite side notch U axis U axis Housing in technopolymer Housing in aluminum alloy Digit 0 indicates that no errors are present in the ultrasonic transducers. The second digit of the error code indicates the type of error: 0 = no errors;...
  • Page 23 HD51.3D… - Ultrasonic anemometers V3.0 Parameters for NMEA mode: Command Reply Description CU4Bn &| Sets Baud Rate for NMEA mode to: ▪ 2400 if n=1 ▪ 4800 if n=2 ▪ 9600 if n=3 ▪ 19200 if n=4 ▪ 38400 if n=5 ▪...
  • Page 24 HD51.3D… - Ultrasonic anemometers V3.0 Parameters for MODBUS-RTU mode: Command Reply Description CU5Annn &| Sets MODBUS address to nnn The address should range within 1 and 247 Default : 1 RU5A & nnn| Reads the MODBUS address setting CU5Bn &| Sets the Baud Rate for MODBUS mode to: ▪...
  • Page 25 HD51.3D… - Ultrasonic anemometers V3.0 Units of measurement: Command Reply Description CGUVn &| Sets measuring unit of wind speed: ▪ m/s if n=1 ▪ cm/s if n=2 ▪ km/h if n=3 ▪ knot if n=4 ▪ mph if n=5 Default : m/s (n=1) RGUV Reads the wind speed measuring unit set in the instrument...
  • Page 26 HD51.3D… - Ultrasonic anemometers V3.0 Command Reply Description RWaL & nnn| Reads the time interval for the calculation of average speed and average direction set in the instrument CWaMn &| Sets the method for the calculation of average speed and average direction: ▪...
  • Page 27 HD51.3D… - Ultrasonic anemometers V3.0 Command Reply Description cxd nn.n cxd| Sets the magnetic declination to nn.n° Value should range within -90.0 and +90.0 Default : see Note 7 Direction offset to N Reads the magnetic declination set in the mark nn.n°...
  • Page 28 HD51.3D… - Ultrasonic anemometers V3.0 graph changes into the following: If 539.9° value is exceeded in extended mode, the output goes to the value corresponding to 180°. The table below shows the correspondence between the value of the analog output and the di- rection of the wind in the two modes.
  • Page 29 HD51.3D… - Ultrasonic anemometers V3.0 Analog outputs: Command Reply Description & n| Reads the analog output type: 4…20/0…20 mA if n=0 ▪ 0…1 V if n=1 ▪ 0…5 V if n=2 ▪ 0…10 V if n=3 ▪ CAFxnn &| Sets offset and direction of the analog output x (x=1 or 2) to: Standard if nn=00 ▪...
  • Page 30 HD51.3D… - Ultrasonic anemometers V3.0 Command Reply Description CAHn &| Associates full scale of wind speed analog output to: ▪ 5 m/s if n=0 ▪ 50 m/s if n=9 ▪ 10 m/s if n=1 ▪ 55 m/s if n=10 ▪ 15 m/s if n=2 ▪...

  • Page 31: Rs232 Ascii Proprietary Mode

    HD51.3D… - Ultrasonic anemometers V3.0 7 RS232 ASCII proprietary mode In RS232 ASCII proprietary mode, the instrument sends automatically the acquired measure- ments at regular intervals. The interval is factory-set to 1 second and is configurable from 1 to 3600 seconds. To change the interval, you should enter in configuration mode and send the command CU2Rnnnn, where nnnn indicates the interval value in seconds (see chapter 6 for details regarding the setting of operation parameters).

  • Page 32: Rs485 Ascii Proprietary Mode

    HD51.3D… - Ultrasonic anemometers V3.0 8 RS485 ASCII proprietary mode In RS485 ASCII proprietary mode, the instrument sends the acquired measurements only if requested by the PC. To use this mode, you must connect to a RS485 or RS422 serial port. Communication parame- ters should be set in the PC or data logger as follows: •...

  • Page 33: Nmea Mode

    HD51.3D… - Ultrasonic anemometers V3.0 9 NMEA mode NMEA protocol, mainly used in the nautical field and in satellite-based navigation systems, specifies that only one of the devices connected can send data, while the others can only act as recipients. In NMEA mode, the instrument sends automatically the acquired measurements at regular in- tervals.
  • Page 34 HD51.3D… - Ultrasonic anemometers V3.0 The fields related to quantities not measured by the instrument are empty (multiple consecu- tive commas appear to indicate the missing fields). The previous string is followed by a second string ($IIXDR…) including the solar radiation and tilt angles measurements: $IIXDR,G,x.x,,PYRA,G,x.x,,TILTX,G,x.x,,TILTY*hh<CR><LF>...

  • Page 35: Modbus-Rtu Mode

    HD51.3D… - Ultrasonic anemometers V3.0 10 MODBUS-RTU mode In MODBUS-RTU mode, the instrument sends the acquired measurements only if specifically requested by the PC, PLC or data logger. Communication parameters should be set in the PC or data logger as follows: •...
  • Page 36 HD51.3D… - Ultrasonic anemometers V3.0 Address Description Format Temperature unit of measurement unsigned 16 bits 0  °C 1  °F Barometric pressure unit of measurement unsigned 16 bits 0  mbar (=hPa) 3  mmH 1  mmHg 4  inchH 2 ...

  • Page 37: Maintenance

    HD51.3D… - Ultrasonic anemometers V3.0 11 Maintenance Wind speed sensors does not generally require maintenance. In case abnormal measures are detected, verify the cleanliness of the ultrasonic sensors. For cleaning, use a moistened soft cloth. The sensors should be wiped gently: do not brush or twist the sensors.

  • Page 38: Accessories Ordering Codes

    HD51.3D… - Ultrasonic anemometers V3.0 14 Accessories ordering codes CP51… Connecting cable with 19-pole M23 female free connector on one end, open wires on the other. Available lengths: 5 m (CP51.5) and 10 m (CP51.10). RS51K Kit for connecting the anemometer RS485 output to a PC. It includes the SWD10 power supply and the RS485/USB adapter with: o screw terminals for the connection to the CP51…...
  • Page 39 WARRANTY The manufacturer is required to respond to the "factory warranty" only in those cases provided by Legislative Decree 6 September 2005 - n. 206. Each instrument is sold after rigorous inspections; if any manufacturing defect is found, it is necessary to contact the distributor where the instrument was purchased from.
  • Page 40 Senseca Italy S.r.l. Via Marconi, 5 35050 Selvazzano Dentro (PD) ITALY info@senseca.com...

This manual is also suitable for:

Hd51.3d4 seriesHd51.3dp seriesHd51.3dp4 seriesHd51.3d17 seriesHd51.3d147 seriesHd51.3dp17 series ... Show all

Table of Contents