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Gill WindMaster Pro User Manual

Ultrasonic anemometer
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WindMaster &
WindMaster Pro
Ultrasonic Anemometer
User Manual
Doc No. 1561-PS-0001
Issue 03
Gill Instruments Limited
Saltmarsh Park,
67 Gosport Street,
Lymington,
Hampshire.
SO41 9EG
UK
Tel: +44 (0) 1590 613500
Fax: +44 (0) 1590 613501
E-mail: anem@gill.co.uk
Website: www.gill.co.uk

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  • Page 1 WindMaster & WindMaster Pro Ultrasonic Anemometer User Manual Doc No. 1561-PS-0001 Issue 03 Gill Instruments Limited Saltmarsh Park, 67 Gosport Street, Lymington, Hampshire. SO41 9EG Tel: +44 (0) 1590 613500 Fax: +44 (0) 1590 613501 E-mail: anem@gill.co.uk Website: www.gill.co.uk...

  • Page 2: Table Of Contents

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Contents Contents FOREWORD INTRODUCTION PRINCIPLE OF OPERATION Polar definition U, V, and W axes definition Effects of temperature, barometric pressure, rainfall and humidity Measurement sequence Signal processing SPECIFICATION PRE-INSTALLATION 5.1.
  • Page 3 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Sonic temperature Status Analogue Inputs (Unit order option) PRT (Unit order option) Checksum Output rate (not displayed) 7.2. Mode 2 – ASCII, Polar, Continuous (Default) Horizontal wind direction 7.3. Mode 3 –ASCII, UVW, Polled.

  • Page 4: Foreword

    020 + options). The instruments replace the previous WindMaster model (1086-PK-046) and WindMaster Pro (1352- PK-001). Refer to appropriate manuals for these instruments. The term 'WindMaster' is used in this manual as a general term for both the WindMaster and the WindMaster Pro; they are robust three axis anemometers, with no moving parts.

  • Page 5: Principle Of Operation

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 3. PRINCIPLE OF OPERATION Figure 1 Time of Flight details The WindMaster measures the times taken for an ultrasonic pulse of sound to travel from an upper transducer to the opposite lower transducer, and compares it with the time for a pulse to travel from lower to upper transducer.

  • Page 6: Polar Definition

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Polar definition The wind speed in the UV plane, with direction in degrees from 0 to 359 °, with respect to the Reference spar (which is normally aligned to North).

  • Page 7: Effects Of Temperature, Barometric Pressure, Rainfall And Humidity

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Effects of temperature, barometric pressure, rainfall and humidity The calculated u, v and w components are independent of temperature, pressure, rainfall & humidity within the operating parameters of the WindMaster.

  • Page 8: Specification

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 4. SPECIFICATION WindMaster WindMaster Pro Outputs Output rate 1, 2, 4, 8, 10, 16, 20, (32 option) Hz 1, 2, 4, 8, 10, 16, 20, 32 Hz Sample rate (automatically selected)

  • Page 9: Pre-Installation

    PC with Windows software from Windows 98 onwards. The PC must be fitted with a suitable interface to match the chosen communication format - RS232, RS422, or RS485. Alternatively a Gill Power Supply and Interface (PCI) may be used to convert RS422/485 output to RS232.

  • Page 10: Other Equipment

    Issue 3 March 2007 ________________________________________________________________________________________________________________________ Other equipment Analogue inputs / outputs must be compatible with the options fitted to the WindMaster or WindMaster Pro. See Sections 8 and 9 Connection The unit is fitted with a modified 31 way Clipper industrial plastic connector (shell size 3), and supplied with a mating plug with solder bucket pins for installation by the user.

  • Page 11: Installation

    Generic description – Twisted pairs with drain wire, screened with aluminised tape, with an overall PVC sheath. Wire size 7/0.2mm (24 AWG) Gill 15m lead - A nine pair, 15metre lead, with one end free and the other end fitted with Clipper pins, is available as an accessory from Gill, see 5.4 Accessories for part number.

  • Page 12: Cable Length

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 6.4. Cable length The maximum cable length is dependent on the chosen communication format (RS232, RS422 or RS485), the baud rate, and, to a lesser extent, on the cable type and the local electrical ‘noise’ level.

  • Page 13: Connections

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 6.5. Connections Important Do NOT join any of the cores of the cable together. Any cores not used should be isolated. Do NOT connect the unit’s analogue output 0V or power 0V to the screen or ground / earth.

  • Page 14: Cable Assembly

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Cable assembly Open the pack of parts (1561-PK-050) provided with the WindMaster. Strip the cable and solder the contact pins to the cores (please note that the connector supplies the correct strain relief for cables with an outside diameter of 6-12mm).

  • Page 15: Connector Pin & Conductor Positions

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Insert each contact pin until you feel a slight click. If you have inserted the contact into the incorrect hole it can be removed at this point by simply pulling it out. Please note there will be some resistance.
  • Page 16 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Once all of the contacts are inserted push the red retainer into place. NB. The retainer can only be pushed back into place if the contacts are fully engaged. Fit the connector to the WindMaster so that you can now finish assembling the connector.

  • Page 17: Grounding (Earthing)

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Now screw the cable-clamping nut into place The connector can now be removed from the WindMaster. Grounding (earthing) To ensure correct operation, and for maximum protection against lightning, the anemometer MUST be correctly grounded (earthed) via its mountings.

  • Page 18: Connection To A Pc Using Rs 232

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 6.6. Connection to a PC using RS 232 Notes 1. Using RS232, the cable length for reliable operation is limited to 6.5m (20ft) @ 9600 Baud. See 6.4 2. For longer cable runs, we recommend using the WindMaster configured with RS422 output, and a RS422/232 converter at the PC.

  • Page 19: Connection To A Pc Via A Power And Communications Interface

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 6.8. Connection to a PC via a Power and Communications Interface Dependent upon system requirements the WindMaster unit can be operated with the Power and Communications and Interface unit (PCI), which can be ordered as an optional extra. Connect WindMaster via RS422 port; then connect computer to RS232 port on PCI.

  • Page 20: Connector Pin And Cable Assignments For Pci

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Connector Pin and Cable Assignments for PCI Anemometer connector - 15 way Designation Screen RS422_RXB (+) RS422_TXB (+) Digital 0V, Signal ground Supply V+ Analogue output V1 Not used Analogue output V2...
  • Page 21 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________...

  • Page 22: Networking Using Rs485

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 6.9. Networking using RS485 Notes 1. Up to 8 WindMasters can be networked as Slaves. 2. WindMasters must be configured for RS485 by linking Comms Mode line (Pin 4) to 0V (Pin 12).

  • Page 23: Mechanical Installation

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 6.10. Mechanical installation Before installing, it is strongly recommended that a bench test is carried out. Location Select a position so that the unit is clear of any structure, which may obstruct the airflow or induce turbulence.

  • Page 24: Flange Mounting

    The pipe mount adaptor enables the WindMaster to be fitted directly to a standard 1.5 inch BSP pipe (Pipe size OD 1.9", ID 1.5", wall thickness 0.2). The pipe mount adaptor must be ordered from Gill. The WindMaster connector must be connected to the WindMaster before the pipe mount adaptor is attached to the WindMaster.
  • Page 25 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Figure 4 Pipe Mount Adaptor...

  • Page 26: Message Formats

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 7. MESSAGE FORMATS On applying power to the WindMaster, it will automatically operate in the Measurement Mode and provide wind measurements in one of the following formats: Mode 1 – ASCII, UVW, Continuous Mode 2 –...

  • Page 27: Windmaster Identification Node Address

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ <STX> Start of string character (ASCII value 2) WindMaster Identification node address The default setting is ‘Q’. If there is more than one WindMaster in a network, the others MUST be renamed (A to P or R to Z), so that each WindMaster is uniquely identified.

  • Page 28: Mode 2 - Ascii, Polar, Continuous (Default)

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ (b) Mode 1 (High Resolution (J2)) ASCII, UVW, Continuous, Speed of Sound On, Sonic Temp On, [Analogue inputs On], PRT On <STX><ID>,±UUU.UUU,±VVV.VVV,±WWW.WWW,U,±CCC.CC,±TTT.TT, SS,[±1.1111,±2.2222,±3.3333,±4.4444],±PP.PPC,<ETX>CC<CR><LF> Where: <STX> Start of string character (ASCII value 2) <ID>...

  • Page 29: Horizontal Wind Direction

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Horizontal wind direction Indicated in degrees, from 0 to 359°, with respect to the WindMaster North marker. In fixed field mode and when the wind speed is below 0.05 metres/sec, the direction will not be calculated, but the last calculated direction above 0.05 m/s will be output (the threshold of 0.05 m/s is the default setting;...

  • Page 30: Mode 4 -Ascii, Uvw, Polled

    Data is 2 byte signed two’s complement (except unsigned for SOS; 1 byte for checksum). Velocities are normal resolution (0.01m/s). Outputs that are disabled are padded with zero to give fixed size records. Gill WinConvert now includes decode for WM binary data in addition to R3.

  • Page 31: Mode 8 -Binary, Uvw, Short

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 7.6. Mode 8 –Binary, UVW, Short <B2><B2>STATUS,U,V,W,SOS,CHECKSUM <B2> <B2> STATUS - Status data (Codes 00 to 0B) U axis velocity V axis velocity W axis velocity Speed of Sound in 0.01ms CHECKSUM 7.7.

  • Page 32: Analogue Inputs

    12, 14 bit (as installed) 8.2. PRT input Available on the WindMaster Pro only. (Must be specified when ordering ). The PRT input is designed to work with any 4 wire PRT that meets IEC60751. Pin No's PRT excitation +...

  • Page 33: Analogue Outputs

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 9. ANALOGUE OUTPUTS Options of four analogue inputs and outputs must be specified when ordering. Information on how to change the formats and all the settings follows in Section 10, CONFIGURING.

  • Page 34: Status

    20mA Error Signal Status Code (low) -2.5V CONFIGURING It is strongly recommended that software (available free from the Gill website www.gill.co.uk ) is used to WIND configure the WindMaster. A less preferred option for configuring is using a terminal emulation package, using command codes.
  • Page 35 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ If after Synch Comms there is still a problem with start up, switch power to anemometer off and then on again and repeat procedure. The unit is set to factory default 1 Hz output and in Polar mode. A typical message format after Synchronising Comms is shown below: If you need to review your instrument settings click Tools and Report config in the tool bar.
  • Page 36 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ To change the WindMaster configuration click Tools and Wizard in the tool bar Typical screens are shown below. The Customer is able to adjust all the settings as required taking into account the...
  • Page 37 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ When the changes are complete the Wizard will display a confirmation of the changes with all changes shown in red, this may be printed as a hard copy if required. Click next and the WindMaster will be re-configured and will return to...

  • Page 38: Configuring Using Hyperterminal

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ 10.2. Configuring using HyperTerminal Note – Other terminal emulators can be used to configure the WindMaster in a very similar way. Setting up 1. Decide on an available Com port that you want to use (Usually Com1).

  • Page 39: Changing Settings

    WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Settings and how to change them are explained in the following section. Changing settings To change a setting, refer to the sections below, and enter the command of the new setting required, followed by ENTER .
  • Page 40 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Ax – Select SOS/Sonic Temp output Neither Sonic Temp Both The SOS and/or Sonic Temp are displayed after the UNITS and before the status byte, the SOS is always in m/s and the Sonic Temp is always in deg C.
  • Page 41 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Request Current Configuration M2,U1,O1,L1,P1,B4,H1,NQ,E1,T1,S1,C2,A1,I1,J1,V1,X1,G0,K50 Initiate a Self-Test (needs to be performed under zero wind conditions). ALIGNMENT LIMITS:151B,13EF ALIGNMENT U:1478 *PASS* ALIGNMENT V:1432 *PASS* ALIGNMENT W:1410 *PASS* GAIN 0:0009 *PASS* GAIN 1:000A *PASS*...
  • Page 42 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Ex – Set Physical Communications AUTO This can also be overridden from RS232 to RS422/485 by linking the comms line to V+ for RS232 or to 0V for RS422/485. See section 6.5 to 6.9.
  • Page 43 Binary, Polar, Long 10 Binary, UVW, Long Nx – Set unit ID Sets the unit ID displayed at the start of all GILL communications strings Set Q (default), …from A to Z Command N<Q> Ox – Set ASCII output format...
  • Page 44 WindMaster and WindMaster Pro 1561-PS-0001. Issue 3 March 2007 ________________________________________________________________________________________________________________________ Sx – Analogue output range This sets the velocity scaling for the analogue output. (see also Para 9.5). Full range is 5m/s Full range is 10m/s Full range is 20m/s...

  • Page 45: Maintenance & Fault-Finding

    Opening the unit or breaking the security seal will void the warranty and the calibration. In the event of failure, prior to returning the unit to your authorised Gill distributor, it is recommended that : 1. All cables and connectors are checked for continuity, bad contacts, corrosion etc.

  • Page 46: Returning Unit

    Certified calibration The unit can be Wind tunnel calibrated in accordance with ISO 16622 with traceability to national standards. This should be specified when ordering, or the unit can be returned to Gill Instruments for retrospective calibration. Accuracy at 12 m/s Wind speed 1% RMS Direction 0.5°...

  • Page 47: 13.2 Electrical Conformity

    Issue 3 March 2007 ________________________________________________________________________________________________________________________ 13.2 ELECTRICAL CONFORMITY EC DECLARATION OF CONFORMITY ACCORDING TO COUNCIL DIRECTIVE 89/336/EEC We, Gill Instruments Ltd., declare our under sole responsibility that the products: WindMaster (1590-PK-020 + options) WindMaster Pro (1561-PK-020 + options). Manufactured by: Gill Instruments Ltd...

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