Lufft VENTUS-USB Manual
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Lufft VENTUS-USB Manual

Ultrasonic wind sensor
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  • Page 2 © G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany. We reserve the right to make technical changes without notice.

  • Page 3: Table Of Contents

    12.2 Configuration with the UMB-Config-Tool ......................23 12.3 Sensor Selection ............................... 23 12.4 Function Test with UMB-Config-Tool ......................... 27 12.5 Equipment Heating ............................28 13 Firmware Update ............................... 29 14 Maintenance ................................29 15 Technical Data ................................30 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 4 20.4 Communication in ASCII Protocol ........................42 20.5 Communication in NMEA Protocol ........................44 20.6 Communication in SDI-12 Mode ........................55 20.7 Communication in Modbus Mode ........................69 21 List of Figures................................76 22 Keyword Index ................................77 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 5: Please Read Before Use

    The warranty period is 12 months from the date of delivery. The warranty is forfeited if the designated use is violated. Brand Names All brand names referred to are subject without limitation to the valid trademark and ownership rights of the respective owner. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 6: Scope Of Supply

    Connector 8371.UST1 or Amphenol C091 31D008 101 2 Connector cable Recommended cable: 8371.UK015 8371.UK050 Additional Documents and Software You can download the following documents and software via the Internet at www.lufft.com.  Operating Manual This document  ® UMB-Config-Tool Windows...

  • Page 7: Equipment Description

    Within one measurement cycle each of the ultrasonic heads will work once as transmitter and once as receiver. Figure 1: Measurement Sections G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 8: Virtual Temperature

    To reduce the maximum operating current of the device, upper and lower heating can be switched alternatingly. The operating modes of the heating are explained in chapter 12.5. Separate measurement channels are available for the surveillance of the temperatures of upper and lower heater. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 9: Generation Of Measurements

    Note: On delivery, the interval for the calculation of minimum, maximum and average values is set at 60 measurements. If necessary, this can be adjusted to the particular requirements with the aid of the UMB-Config-Tool (see page 23). G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 10: Measurement Output

    Absolute air pressure 300.0 1200.0 Relative air pressure 300.0 1200.0 Note: For pressure measurement a hardware version equal or greater than 3.0 and a software version equal or greater than 1.6 is necessary! G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 11: Wind Speed

    Note: In order to transmit the current measurement value the second measurement values are averaged over the sampling rate. The minimum / maximum wind direction indicates the direction at which the minimum / maximum wind speed was measured. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 12: Wind Measurement Quality

    0 : Voltage <= 28V 4007 threshold (~ 28V) 1: Voltage > 28V 0: Heating off 4997 Status lower heating 1: Heating on 0: Heating off 4998 Status upper heating 1: Heating on G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 13: Installation

     Loosen nuts  Push the sensor onto the top of the mast from above  Align the sensor to the North  Tighten both nuts evenly and secure with locking varnish G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 14: North Alignment

    Depending on the location, the variation can be more than 15° (in North America for example). In Central Europe the variation can be largely ignored at present (< 3°). You can find further helpful information on this subject on the Internet. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 15: Selecting The Installation Location

    Installation height at least 2m above the ground  Free field around the sensor Note: Buildings, bridges, embankments and trees may corrupt the wind measurement. Equally, passing traffic may cause gusts which may influence the wind measurement. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 16 Operating Manual V16/05.2016 9.3.3 Installation Sketch ventus min. 10 m Tree, bush etc. Mast min. 2 m min. 10 m Road carriageway Figure 6: Installation Sketch G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 17: Connections

    SDI-12 Data yellow SDI-12 activation grey green SDI-12 GND and SDI-12 activation blue Supply voltage - white Supply voltage + brown (for SDI12 connection please always follow the detailed notes in Chap. 10.7) G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 18: Supply Voltage

    UMB-Config-Tool. The default values are Channels 400 (current wind speed in m/s (A)) and 500 (current wind direction (B)). The scaling of the outputs is also adjustable. The maximum load on the current output is 300 . Factory setting G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 19: Control Line

    Telegram transmission triggered on rising edge of control voltage Telegram transmission triggered on falling edge of control voltage Telegram transmission while control voltage is “high” Telegram transmission while control voltage is “low” G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 20: Connection To Isocon-Umb (8160.Uiso)

    Please pay attention to the ISOCON-UMB operating manual when building the equipment. 10.6 Use of surge protector (8379.USP-V) Please refer to the connection example in the operating manual when using the surge protector (Order no.: 8379.USP). G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 21: Sdi12 Connection

    Note: the resistor must be mounted at the end of the cable which it is connected to the logger. Otherwise the voltage drop over the cable may cause potential differences which prohibit communication. Supply from separate source G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 22: Commissioning

    If several ventus devices are operated on a UMB network, a unique device ID must be assigned to each device (see page24). There is no protective cover to remove on the sensor itself. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 23: Configuration And Test

    However, you do require the current version of the UMB-Config-Tool to configure ventus . Note: All other devices which are used in the polling process, e.g. modems, LCOM etc., must be disconnected from the UMB network during configuration. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 24 Time in minutes for the minimum, maximum and average value calculation interval. Altitude: Enter the local altitude in meters here for the correct calculation of relative air pressure (referenced to sea level). G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 25 The first two characters of the NMEA telegram header, which .identify the talker device type, can be set. If the selection for the second character is “#0”, the character will be suppressed, so the talker ID has one character only. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 26 When operating the analog output in frequency mode, additionally the voltage level for the frequency output, i.e. the voltage in case of “high” level, has to be adjusted (5.0V (default) in this example) Figure 15: Analog output Settings: Frequency Mode G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 27: Function Test With Umb-Config-Tool

    Note: The UMB-Config-Tool is provided for test and configuration purposes only. It is not suitable for the permanent acquisition of measurement data. We recommend the use of professional software solutions for this purpose, e.g. SmartView3. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 28: Equipment Heating

    If the heater turn off on over / under voltage is activated, the heating will be automatically switched of, if the supply voltage is outside of the surveillance window. The lower threshold is ~20V, the upper threshold is ~28V. Factory setting G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 29: Firmware Update

    However, it is recommended to carry out a functional test on an annual basis. When doing so, pay attention to the following points:  Visual inspection of the equipment for soiling  Check the sensors by carrying out a measurement request G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 30: Technical Data

    B: 0 or 4 - 20mA / 0 or 2 – 10V  Maximum load: (in current mode) Resolution: 16 bits Channels: Adjustable Update rate: 250ms; 1-10 seconds Housing: Seawater-resistant aluminum AlMg3Si Factory setting and baud rate for firmware update G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 31: Measuring Range / Accuracy

    4 m/s) Sampling rate: 1-10 seconds Units: °C; °F 15.1.4 Air Pressure Measurement process: MEMS sensor - capacitive Measuring range: 300 ... 1200hPa Resolution: 0.1hPa Accuracy: +/- 1.5hPa Sampling rate: 10sec Unit: G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 32: Drawing

    Operating Manual V16/05.2016 15.2 Drawing  150 mm  150 mm 170 mm 170 mm ventus Figure 18: G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 33: Ec Certificate Of Conformity

    IEC 60068-2-6/IEC 60945 vibration check MIL-Std 810 Verfahren 509.3 Saline mist check IEC 60068-2-52 sec. Ed.: 1996 Severity 1 MIL-Std 810F Method 521.2 Icetest UL61010-1:2004 CAN/CSA-C22.2 No. 61010-1:2004 Fellbach, 16.07.2012 Axel Schmitz-Hübsch G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 34 EN 61000-6-4:2001 Part 6-4: Generic Standards - Emission Standardfor Industrial Environments EN 55011:2009 +A1:2010 (2011) Line-conducted disturbances IEC / CISPR 11:2009 and change 1:2010 Class A prEN 50147-3:2000 Radiated emission Fellbach, 16.07.2012 Axel Schmitz-Hübsch G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 35: Fault Description

    Minimum value of wind direction is In the case of wind direction, the minimum / greater than maximum value maximum value indicates the direction at which the minimum / maximum wind speed was measured. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 36: Disposal

    19.1 Technical Support Our Hotline is available for technical questions via the following e-mail address: hotline@lufft.de You can also consult frequently asked questions at http://www.lufft.com/ (menu header: FAQs). G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 37: Appendix

    0 : Voltage <= 28V 4007 threshold (~ 28V) 1: Voltage > 28V 0: Heating off 4997 Status lower heating 1: Heating on 0: Heating off 4998 Status upper heating 1: Heating on G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 38: Channel List Summary Per Tls2002 Fg3

    Wind Speed. 75.0 75.0 = 750d = 02EEh (average) WSA 1064 Result message 16 bit 0.0 ... 0.1 m/s = 0d = 0000h Wind Speed 75.0 75.0 = 750d = 02EEh (peak) WSP G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 39: Communication In Binary Protocol

    Only one example of an online data request is described in this operating manual. Please refer to the current version of the UMB Protocolfor all commands and the exact mode of operation of the protocol (available for download at www.lufft.com). Note: Communication with the sensor takes place in accordance with the master-slave principle, i.e.
  • Page 40 Note: Little Endian (Intel, low byte first) applies when transmitting word and float variables of addresses or the CRC, for example. This means first the low byte and then the high byte. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 41 CRC-CCITT Polynomial: 1021h = x16 + x12 + x5 + 1 (LSB first mode) Start value: FFFFh You can find further information in the description of a CRC calculation in UMB Protocol. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 42: Communication In Ascii Protocol

    This channel outputs a temperature from –40 to +60°C; this results in the following calculation: corresponds to -50°C 65520d corresponds to +70°C corresponds to [+70°C – (-50°C)] / 65520 * 34785 +(-50°C) = 36789d 13,7°C Note: TLS channels are not available in ASCII protocol. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 43 Measurement value outside measuring range (too low) 65525d Measurement data error or no valid data available 65526d Device / sensor unable to execute valid measurement due to ambient conditions 65534d Invalid calibration 65535d Unknown error G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 44: Communication In Nmea Protocol

    Baudrate Response delay Heating duty Heating mode Device ID Measurement interval Output interval Averaging interval Scaling of wind speed North correction Triggers software reset Control line trigger property Switches to binary protocol G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 45 The settings for all parameters can be requested in both modes but can only be changed in “Admin” mode. In “Read only” mode it is only possible to enable automatic telegram transmission and to trigger a software reset. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 46 Check sum identifier Check sum as hex value Carriage Return Line Feed Example: Request: 01TR4 Response: $WIMWV,230.6,R,003.4,N,A*23 This means that the wind is coming at a speed of 3.4 knots from 230.6° G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 47 1 = not OK Bit 1: Status temperature measurement 0 = OK 1 = not OK Bit 2 reserved Bit 3 Heating 0 = off 1 = on Bit 4 – 7 reserved G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 48 Device address (2 decimal places with leading zeros) 0…disabled <value> 4…enabled Response: $WIMWV,,R,,M,V*xx(CR)(LF) $WIMWV, Possible values K,N,M,S for km/h, Knots, m/s, mph V= invalid value Check sum identifier Check sum (high byte first) Carriage Return Line Feed G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 49 1 = not OK Bit 1: Status temperature measurement 0 = OK 1 = not OK Bit 2 reserved Bit 3 Heating 0 = off 1 = on Bit 4 – 7 reserved G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 50 <ID> Device address (2 decimal places with leading zeros) 0 …half duplex <value> 1…full duplex The current setting is delivered as the response if no entry is made for <value>. Response: !<ID>‘DM’<value>(CR) G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 51 Device address (2 decimal places with leading zeros) 0 … 1000 <value> delay time in msec The current setting is delivered as the response if no entry is made for <value>. !<ID>‘RD’<value>(CR) Response: G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 52 Request: <ID> Device address (2 decimal places with leading zeros) <value> 0..10 seconds The current setting is delivered as the response if no entry is made for <value>. Response: !<ID>‘MD’<value>(CR) Factory setting G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 53 Device address (2 decimal places with leading zeros) 0 … 360 <value> Correction value in ° The current setting is delivered as the response if no entry is made for <value>. Response: !<ID><value>(CR) G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 54 ASCII characters (0-9,A-F) for transmission. The high byte is transmitted first. Further information on the description of a CRC calculation is available in the NMEA 0183 protocol. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 55: Communication In Sdi-12 Mode

    Start the measurement (will report connection error at first)  Reset the device (Power off / on)  When measurement values are received the measurement can be terminated, the interface is now open for configuration. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 56 Selection of the unit system for SDI12 data aXH+nnnn! Adjust the local altitude for calculation ot relative air pressure aXMn! Select the heating mode of the device ( aXR! Device Reset G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 57 (in both cases up to the maximum permitted by the standard of 9 resp. 20).  We recommend to use the commands für continuous measurement (R- commands) to request the data. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 58 Air temperature 13,5°C, curr.. wind speed 2,5m/s, max. Wind speed 3,7m/s, avg.wind speed 2,6m/s 0D1! 0+136.4+134.0+100.0+1010.4<CR><LF> Curr. wind direction 136,4°, avg. wind direction(vct) 134,0°, Qualityof wind measurement 100%, rel. air presssure (curr) 1010.4 hPa G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 59 0+12.4+14.0+13.5<CR><LF> Air temperature (min) 12,4°C, air temperature (max) 14,0°C, air temperature (avg) 13,5°C 0D4! 0+1008.2+1011.2+1009.1<CR><LF> Rel. air pressure (min) 1008.2 hPa,rel. air pressure (max) 1011.7 hPa, rel. air pressure (avg) 1009.1 hPa G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 60 Air temperature (max) -50.0 70.0 °C Air temperature (avg) -50.0 70.0 °C Buffer ‘4’ Rel. Air Pressure (min) 300.0 1200.0 Rel. Air Pressure (max) 300.0 1200.0 Rel. Air Pressure (avg) 300.0 1200.0 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 61 Air temperature (max) -58.0 158.0 °F Air temperature (avg) -58.0 158.0 °F Buffer ‘4’ Rel. Air Pressure (min) 300.0 1200.0 Rel. Air Pressure (max) 300.0 1200.0 Rel. Air Pressure (avg) 300.0 1200.0 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 62 C command will also fill the buffers D2 to D4 (if required) M1 / C1 Temperature M: 4 Values C: 4 Values M2 / C2 Wind M: 9 Values C: 10 Values M3 / C3 Air Pressure M: 8 Values C: 8 Values G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 63 Device configured for measurement values in US units: Measurement value Unit Channel Buffer ‘0’ Air temperature (act) -58.0 158.0 °F Air temperature (min) -58.0 158.0 °F Air temperature (max) -58.0 158.0 °F Air temperature (avg) -58.0 158.0 °F G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 64 Wind Speed (vct) 167.8 Buffer ‘1’ Wind Direction (act) 359.9 ° Wind Direction (min) 359.9 ° Wind Direction (max) 359.9 ° Wind Direction (vct) 359.9 ° Buffer ‘2’ Wind Measurement Quality 100.0 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 65 1200.0 Abs. Air Pressure (avg) 300.0 1200.0 Buffer ‘1’ Rel. Air Pressure (act) 300.0 1200.0 Rel. Air Pressure(min) 300.0 1200.0 Rel. Air Pressure (max) 300.0 1200.0 Rel. Air Pressure (avg) 300.0 1200.0 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 66 Buffer ‘1’, device configured for metric units Measurement value Unit Channel Heating temp. top +150 °C Heating temp. bottom +150 °C Buffer ‘1’, device configured for US units Heating temp. top +302 °F Heating temp. bottom +302 °F G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 67 The command is used to change the unit system used for the display of the SDI-12 data between metric and US units. The command is implemented as X command Command: aXU<u/m>! Response: aU<u/m><CR><LF> u: US-Units, m: Metric Units Example Select metric units 0XUm! 0Um<CR><LF> G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 68 Heating Mode (0: Off, 1: Automatic, 2: Automatic alternating) Response: aXMnm<CR><LF> n: selected heating mode m: alternating The assignment of an invalid heating mode will be answered with aXMf<CR><LF> Example: A Ventus shall be set to Automatic/Alternating 0XM2! 0XM11<CR><LF> G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 69: Communication In Modbus Mode

    Measurement values and status information 0x06 Write Single Register Selected configuration settings 0x07 Read Exception Status Currently not used (returns 0) Diagnostics 0x11 Report Slave ID (replies to broadcast address as well) G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 70 The values are checked for plausibility. Improper values will not be accepted and cause a Modbus exception. Writing the value 0x3247 (12871d) into register no. 3 (register adr. 2) will trigger a device reset. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 71 (High byte -> low byte, see table below) Sensorstatus 2 Windbuffer, wind (high byte, see Coding 4 bit per table below) status, s. below Reserved Reserved Reserved Reserved Reserved Diagnostics: run time in 10sec steps G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 72 Wind Speed m/s (act.) Factor 10, s Wind Speed m/s (min.) Factor 10, s Wind Speed m/s (max.) Factor 10, s Wind Speed m/s (avg.) Factor 10, s Wind Speed m/s (vct.) Factor 10, s G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 73 Factor 10, s Wind Speed kts (min.) Factor 10, s Wind Speed kts (max.) Factor 10 , s Wind Speed kts (avg.) Factor 10, s Wind Speed kts (vct.) Factor 10, s Reserve G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 74 Status 2 = ( register / 256 ) AND 0x000F Status 3 = ( register / 16 ) AND 0x000F Status 4 = register AND 0x000F Following table shows the status coding: G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
  • Page 75 Operating Manual V16/05.2016 Coding of Sensor Status: Sensor State Code UNGLTG_KANAL E2_CAL_ERROR E2_CRC_KAL_ERR FLASH_CRC_ERR FLASH_WRITE_ERR FLASH_FLOAT_ERR MEAS_ERROR, MEAS_UNABLE INIT_ERROR VALUE_OVERFLOW CHANNEL_OVERRANGE VALUE_UNDERFLOW CHANNEL_UNDERRANGE BUSY Other Sensor State G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 76: List Of Figures

    Figure 14: Analog output Settings: Voltage Mode ......................26 Figure 15: Analog output Settings: Frequency Mode ..................... 26 Figure 16: Measurement Polling Channels ........................27 Figure 17: Example of Measurement Polling ........................27 ventus Figure 18: ................................32 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

  • Page 77: Keyword Index

    Technical Data ............30 Firmwareupdate ............29 Technical Support ............. 36 Heating ..............28, 30 UMB-Config-Tool ..........23, 27 Installation ..............13 Warranty ............... 5, 36 Interface ..............18 Weight ............... 30 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...

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