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WindObserver II (WindObserver FC)

Ultrasonic Anemometer

User Manual

Doc No. 1390-PS-0011

Issue 2

Gill Instruments Limited

Saltmarsh Park,

67 Gosport Street,

Lymington,

Hampshire.

SO41 9EG

Tel: +44 (0) 1590 613500
Fax: +44 (0) 1590 613501

E-mail: [email protected]

Website: www.gill.co.uk

Summary of Contents for WindObserver II

Page 1: ...rasonic Anemometer User Manual Doc No 1390 PS 0011 Issue 2 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 ...

Page 2: ..._________________________________________________________ ________________________________________________________________________________________________ WindObserver II WindObserver FC Page 2 Issue 2 Doc No 1390 PS 0011 June 2007 WindObserver II WindObserver FC Anemometer ...

Page 3: ...ation 12 Orientation 12 Mounting bracket 12 Figure 1 Suggested mounting bracket and Earthing grounding arrangements 13 Alignment 14 Figure 2a North marker and UV polarity definition UV format and Mounting Ring14 Figure 2b WindObserver II WindObserver FC Outline Dimensions 15 7 MESSAGE FORMATS OPTIONS 16 7 1 Wind Speed format 16 7 2 Output formats 16 Output format 16 7 3 Units 16 7 4 Output rate 17...

Page 4: ... Communications settings 25 Baud rate 25 Duplex mode 25 Data and parity options 25 ASCII Message terminator 26 Scaling 26 Polar mode direction wraparound 26 8 15 Configuration and Diagnostic Information 26 8 16 Message Format Output String Padding 26 9 MAINTENANCE FAULT FINDING 27 9 1 Cleaning 27 9 2 Servicing 27 9 3 Fault finding 27 9 4 Returning unit 28 9 5 Status error codes 28 9 6 Bench test 2...

Page 5: ...sor is a very robust lightweight unit with no moving parts outputting wind speed and direction The units of wind speed output rate and formats are all user selectable The WindObserver II WindObserver FC is supplied with de icing heating recommended if icing is likely The WindObserver II WindObserver FC can be used in conjunction with a PC data logger or other device provided it is compatible with ...

Page 6: ...mometer Status Supplied as part of standard message Starting Threshold 0 01 m s Dead Band Wind Direction None Power Requirement Anemometer only 20 30 V DC 50mA Average Heating Optional 3A 24V AC or DC Digital Output Communication RS422 full duplex network facility Baud rates 1200 2400 4800 9600 19200 38400 Formats 8 data odd even or no parity Dimensions Size 405mm x 210mm Weight 1 5kg not includin...

Page 7: ...e following HyperTerminal for Windows 9x and later or Terminal Windows 3 n normally already installed on a PC Other Terminal Emulation software packages Cable and Junction box To connect between the WindObserver II WindObserver FC and the host system The unit is supplied with a 15m flying cable requiring a mast mounted junction box not provided for onward connection See Section 6 4 for connection ...

Page 8: ...which may not conform to current standards e g radio radar transmitters boat engines generators etc Guidelines Avoid mounting in the plane of any radar scanner a vertical separation of at least 2m should be achieved Radio transmitting antennas the following minimum separations all round are suggested VHF IMM 1m MF HF 5m Satcom 5m avoid likely lines of sight Ensure the product is correctly earthed ...

Page 9: ...s can be used Table 1 No of pairs Gill ref Belden ref Batt electronics ref 2 9729 3 026 02660 9730 91030 4 026 03156 9728 91199 9 026 02663 8774 91009 Cable length The typical maximum length at 9600 baud is 1km 3200ft using the recommended cable If any problems of data corruption are experienced due to for example a high local electrical noise level then a lower baud rate should be used Alternativ...

Page 10: ...air 1 green RS422_TXB black RS422_TXA Pair 2 white RS422_RXB black RS422_RXA Pair 3 red Supply V black Supply V Pair 4 blue Digital 0v black Not used isolate Pair 5 yellow Heater black Heater Pair 6 brown Not Used isolate black Not Used isolate Pair 7 orange Not Used isolate black Not Used isolate Pair 8 white Not Used isolate red Not Used isolate Pair 9 green Not Used isolate red Not Used isolate...

Page 11: ...Connecting to a PC with a RS422 or RS485 input The PC requires either an internal RS422 interface card or an external RS422 485 to RS232 converter which will plug into the standard 9 way or 25 way RS232 serial port of the PC or host equipment WindObserver II WindObserver FC 9 pair cable PC with RS422 or RS485 input Signal names Pair no Colour Cable 3 or 4 twisted pairs Signal names TXB TXA 1 green...

Page 12: ...ure that the WindObserver II WindObserver FC is mounted in a position clear of any structure which may obstruct the airflow or induce turbulence Do NOT mount the WindObserver II WindObserver FC in close proximity of high powered radar or radio transmitters A site survey may be required if there is any doubt about the strength of external electrical noise See Section 6 1 Orientation Normally the Wi...

Page 13: ...__________________________________________ ________________________________________________________________________________________________ WindObserver II WindObserver FC Page 13 Issue 2 Doc No 1390 PS 0011 June 2007 Figure 1 Suggested mounting bracket and Earthing grounding arrangements ...

Page 14: ...__________ WindObserver II WindObserver FC Page 14 Issue 2 Doc No 1390 PS 0011 June 2007 Alignment The anemometer should be set to point North or to another known reference direction using the North Spar which can be identified from the alignment indicator on the base of the instrument See Figure 2a Figure 2a North marker and UV polarity definition UV format and Mounting Ring See Fig 3 on page 24 ...

Page 15: ..._______________________________ ________________________________________________________________________________________________ WindObserver II WindObserver FC Page 15 Issue 2 Doc No 1390 PS 0011 June 2007 Figure 2b WindObserver II WindObserver FC Outline Dimensions 15 Metre Cable 100 mm long tails ...

Page 16: ...n 8 CONFIGURING for details of how this is done The factory default settings are shown here in bold and for convenience some Configuration codes as used to set the configuration are shown in blue boxes For example M3 7 1 Wind Speed format The wind speed measurements can be output in one of the following formats UV Polar Customer format NMEA 7 2 Output formats The UV and Polar wind speed parameters...

Page 17: ... per second and the corresponding number of averaged samples A 25ms sample period is used to process and output the results Outputs per Second Sample Average 1 39 7 5 Averaging The Averaging Period can be set from zero to 3600 secs 1 hour The default setting is zero When averaging is enabled data is output at a rate determined by the averaging period The data is an average of valid data collected ...

Page 18: ...Axis Wind Speed V Axis Wind Speed Units Status End of String Check Sum Where U axis wind speed In increments of 0 01 units UUU UU V axis wind speed In increments of 0 01 units VVV VV Value Units Units M Metres per second m s N Knots knots P Miles per hour MPH K Kilometres per hour kph F Feet per minute fpm Start of string ASCII value 2 Unit identification Letter A Z default A Status Value Status 0...

Page 19: ...___________________________ WindObserver II WindObserver FC Page 19 Issue 2 Doc No 1390 PS 0011 June 2007 ASCII Polar format STX B 121 000 08 M 00 ETX 06 Start of String Unit Identification Wind Direction Wind Speed Units Status End of String Check Sum Where Wind direction In degrees relative to N DDD Wind speed In increments of 0 01 units MMM MM All other parameters See Section 7 7 ASCII UV forma...

Page 20: ...measurement Status Check sum Where Wind direction In degrees relative to N DDD Wind speed In increments of 0 01 units MMM MM Units M Metres per second m s N Knots knots P Miles per hour MPH K Kilometres per hour kph F Feet per minute fpm Start of string Instrument type IIMWV Wind measurement R Relative wind measurement Status A Valid measurement V Invalid measurement Check sum Exclusive OR of all ...

Page 21: ...s Options Keystrokes are shown thus D 3 ENTER 8 1 Entering Configuration mode From Continuous mode From Polled mode N where N is the Unit Identifier Note the Unit Identifier must be entered as upper case The WindObserver II WindObserver FC responds with a CONFIGURATION MODE message stops reporting wind measurements and waits for a command as detailed below 8 2 Returning to Measurement mode Q ENTER...

Page 22: ...J1 K1 L1 M5 NA O1 P1 T1 U1 V1 X1 Y1 Z6 How to change these settings is explained in the following sections To return to Measurement mode Q ENTER 8 4 Changing settings To change a setting first go into Configuration mode and then refer to the sections below Enter the Configuration code of the new setting required followed by ENTER If successful the new setting will be echoed back as a message by th...

Page 23: ... Configuration code U1 U2 U3 U4 U5 8 8 Output rate Outputs per second 1 2 4 Configuration code P1 P3 P2 8 9 Averaging Setting Configuration code Averaging Default G0000 Enter the required averaging period in seconds as a four figure number between 0000 and 3600 8 10 Heating Heating is autonomous and requires no set up once activated Setting Configuration code Disabled H1 Activated H2 Each transduc...

Page 24: ...ducer axis X1 X1 Aligns U axis with North South axis Align U axis 45 to transducer axis X2 X2 This re aligns both U V and polarity 45 Reverses Polar Direction X3 X3 reverses reported polar direction to allow the instrument to be mounted upside down N B Does NOT affect UV alignment Mode 1 3 Align 45 from North X4 X4 set UV polar alignment at 45 degrees from North when instrument is mounted upside d...

Page 25: ...e Baud rate before it changes it must be confirmed by entering B ENTER at the new Baud rate Eg If set to B3 9600 baud to change to B5 38400 baud enter B 5 ENTER change host terminal to 38400 baud and confirm by entering B ENTER NOTE a random echo will be generated after the B5 confirmation Duplex mode Setting Configuration code Full duplex E1 Half duplex E2 Note Refer also to Para 8 3 Networking C...

Page 26: ...bserver II WindObserver FC Setting Configuration code Wraparound 0 539 C1 Standard C2 8 15 Configuration and Diagnostic Information Each of these commands causes a response from the WindObserver II WindObserver FC Item Command code Typical response Type and serial No D1 E000694 Software version D2 2 07 Unit configuration D3 Current configuration A0 B3 C2 E1 F1 G0000 H2 J1 K1 L1 M5 NA O1 P1 T1 U1 V...

Page 27: ...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 All cables and connectors are checked for continuity bad contacts corrosion etc A bench test is carried out as described in Section 9 6 You contact your supplier for advice 9 3 Fault finding Symptom Solution No output Check DC power to WindObserv...

Page 28: ... both axes 08 NVM error NVM checksum failed 09 ROM error ROM checksum failed 10 System gain at max Inaccurate results likely 50 Marginal system gain Results OK but marginal operation 51 Measurement average building 62 Heating current tripped or electronic failure 63 Thermistor open circuit 65 Heating element open circuit V NMEA data invalid 9 6 Bench test Couple the WindObserver II WindObserver FC...

Page 29: ...om Gill Integrity Zero Wind Check Zero Wind Check Configure your PC to run HyperTerminal and assemble the ICC by inserting the reflector cases and the two halves of the ICC onto the WindObserver II WindObserver FC The ICC must be retained using the strips provided Then 1 Ensure that the WindObserver II WindObserver FC is set in factory default mode For Factory default settings see section 8 3 2 En...

Page 30: ...op any process that is being executed ETX End of string character FAC Factory FC First Class fpm Feet per minute GND GrouND HEX HEXadecimal I P InPut IP66 Protection Classification KPH Kilometres per Hour LF Line Feed m s Metres per second MAG MAGnitude scalar reference to wind speed MAX MAXimum MPH Miles per Hour NEMA National Electrical Manufacturers Association NMEA 0183 version 3 National Mari...

Page 31: ...22 Communications standard RS485 Communications standard RTS Request To Send RX Receive RXD Received Data S W SoftWare SOS Speed Of Sound SEC SECond STX Start of string character TERM TERMinal TX Transmit TXD Transmitted Data VE Positive VE Negative WindCom Gill software used to configure WindObserver II WindObserver FC WRT With Respect To 10 2 Guarantee For terms of guarantee contact your supplie...

Page 32: ...trasonic pulse of sound to travel from the North transducer to the South transducer and compares it with the time for a pulse to travel from S to N transducer Likewise times are compared between West and East and E and W transducer If for example a North wind is blowing then the time taken for the pulse to travel from N to S will be faster than from S to N whereas the W to E and E to W times will ...

Page 33: ...WindObserver FC Ultrasonic Anemometer Heated Variant Manufactured by Gill Instruments Ltd Saltmarsh Park 67 Gosport Street Lymington SO41 9EG to which this declaration relates are in conformity with the protection requirements of Council Directive 89 336 EEC on the approximation of the laws relating to electromagnetic compatibility This Declaration of Conformity is based upon compliance of the pro...

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