Gill WindObserver (WindObserver FC) II Anemometer User Manual
Contents
1. Output format Output Tri state o p Configuration code ASCI UV Continuous No M1 Polled Yes M3 ASCIL Polar Continuous No M2 Polled Yes M4 NMEA Continuous No M5 7 3 Units The wind speed can be set to any of the following units Unit Abbreviation Metres per sec m s Knots knots Miles per hour MPH Kilometres per hour kph feet per minute fpm WindObserver II WindObserver FC Page 16 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 7 4 Output rate The output frequency is set tol per second The wind speed is sampled every 25ms each axis being sampled sequentially The following Table lists the possible outputs 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 during the averaging period 7 6 Heating Heating is autonomous and requires no set up once activated 7 7 45 Offset The U axis is offset 45 to the transducer axis 7 8 Vertical Output Padding A dummy W vector is inserted to provide compatibility with any WindMaster that may be in a network WindObserver II Win2. The Gill WindObserver II WindObserver FC wind sensor 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 I WindObserver FC can be used in conjunction with a PC data logger or other device provided it is compatible with the RS422 output The output message format is configured in Polar NMEA 0183 Version 3 Continuous output other formats can be configured as detailed in Section 7 Message Formats amp Options WindObserver II WindObserver FC may be configured using standard communications software on a PC This is explained in Section 8 Configuring 3 FAST TRACK SET UP If you are in a hurry to try out the WindObserver II WindObserver FC are familiar with Gill equipment and coupling to a PC using RS422 go to the following sections Section 6 Installation Section 7 Message Formats amp Options Section 8 Configuring After you have successfully set up the WindObserver II WindObserver FC we strongly advise that you then go back and read the rest of the manual to ensure that you get the best results from the WindObserver II WindObserver FC WindObserver II WindObserver FC Page 5 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 4 SPECIFICATION Model
3. 24 for U V DEFINITION WindObserver II WindObserver FC Page 14 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd Figure 2b WindObserver II WindObserver FC Outline Dimensions Fay 212 5mm 381mm 277mm Scale 1 4 a 15 Metre Cable 100 mm long tails Wind Observer II 2 Axis Anemometer Overall Dimensions Issue 2 June 2007 WindObserver II WindObserver FC Page 15 Doc No 1390 PS 0011 Gill Instruments Ltd 7 MESSAGE FORMATS amp OPTIONS On first applying power to the WindObserver II WindObserver FC it will be in Measurement Mode and it will output wind measurement information in one of the configurations as described below Setting the output format units other parameters options and the communication settings are all carried out in the alternative Configuration Mode See Section 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 are output in NMEA format These parameters can be transmitted continuously or polled from the user Polar is also available in continuous ASCII
4. Gill Instruments Ltd 7 8 NMEA Format Instrument Wind direction Wind speed Units Identifier Checksum 4 Delimiter IIMWV 120 R 002 10 M A CC ONO OIN Start of string Instrument Wind Status Check type measurement 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 characters between and reported as ASCII hex The default WindObserver II WindObserver FC configuration suitable for NMEA is B3 El Fl G0 K1 L1 M5 O1 P1 U1 Consult specification NMEA 0183 version 3 available on the web Wwww nmea org for complete interface details WindObserver II WindObserver FC Page 20 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 8 CONFIGURING WindCom may be used to configure WindObserver II WindObserver FC This is an easy to use menu driven package available as a free download at jwww gill co uk Alternatively you may use terminal emulator software such as HyperTerminal or Terminal This section describes the commands used to change settings when using terminal emulator software For a fuller description of the settin
5. Measurement Output Parameters Units Averaging Wind Speed Range Accuracy Resolution Offset Direction Range Accuracy Resolution Anemometer Status Starting Threshold Dead Band Wind Direction Power Requirement Anemometer only Heating Optional Digital Output Communication Baud rates Formats Dimensions Size Weight Materials External Construction Environmental Moisture protection Operating temperature Humidity Precipitation EMC Icing Standards Site Calibration 1390 PK 057 1Hz UV Polar NMEA m s Knots MPH KPH ft min Flexible 1 3600 seconds 0 75m s 2 12m s and 6 75m s estimated to be confirmed 0 01m s 0 01m s 0 359 x 2 1 Supplied as part of standard message 0 01 m s None 20 30 V DC 50mA Average 3A 24V AC or DC RS422 full duplex network facility 1200 2400 4800 9600 19200 38400 8 data odd even or no parity 405mm x 210mm 1 5kg not including cable Stainless Steel 316 IP66 NEMA4X 55 C to 70 C 5 to 100 RH 300mm hr BS EN 50081 1 1992 Emissions class B BS EN 50082 2 1992 Immunity FCC class A MILSTD810E Method 521 1 Procedure 1 Traceable to UK national standards None required See Section 10 6 Zero Wind Check WindObserver II WindObserver FC Doc No 1390 PS 0011 Issue 2 June 2007 Page 6 Gill Instruments Ltd 5 PRE INSTALLATION 5 1 Equipment supplied WindObserver II WindObserver FC RS422 output
6. being executed End of string character Factory First Class Feet per minute GrouND HEXadecimal InPut Protection Classification Kilometres per Hour Line Feed Metres per second MAGnitude scalar reference to wind speed MAXimum Miles per Hour National Electrical Manufacturers Association National Marine Electronics Association standard for interfacing marine electronic navigational devices Number NVM Non Volatile Memory O P Output PC IBM compatible Personal Computer PCB Printed Circuit Board POR Power On Reset PROCOMM Terminal emulator software package ROM Read Only Memory RS232 Communications standard WindObserver II WindObserver FC Page 30 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd Item Meaning RS422 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 supplier Warranty is void if the red security seal covering base nuts is damaged or broken or the transducer caps have been damaged WindObserver II WindObserver FC Page 31 Doc No 1390 PS 0011 Issue 2 June 2007 Gill Instruments Ltd 10 3 Princi
7. office fan or similar to check that the unit is sensing wind turning the unit to simulate changing wind direction and to check that both axes are functioning Note that this a quick functional test There are no calibration adjustments the unit is designed NOT to require re calibration within its lifetime Gill has provided and Integrity Check see next page for details WindObserver II WindObserver FC Page 28 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd Integrity Check Chamber ICC The software to perform the Integrity Check IC is incorporated in the latest WindObserver II WindObserver FC The IC is designed to 1 Identify any gross changes in the head geometry that would affect the performance 2 Provide a zero wind environment to confirm the WindObserver II WindObserver FC zero calibration The ICC has been designed to be used in an indoor still air environment with an ambient temperature between 10 C and 28 C When conducting the test it is important that the ICC is assembled on to the WindObserver II WindObserver FC head and not touched or moved during the test This test is only valid if undertaken with an ICC purchased from Gill Integrity amp 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
8. to confirm the system is configured correctly is fully functional and electrically compatible with the selected host system and cabling preferably utilising the final cable length The required data format units output rate and other options should also all be configured at this stage If an Integrity Check Chamber ICC has been purchased refer to Section 9 6 6 3 Cabling Cable type A RS422 compatible cable should be used with the number of twisted pairs matching the application Generic description Twisted pairs with drain wire screened with aluminised tape with an overall PVC sheath Wire size 7 0 2mm 24 AWG The table shows some suitable manufacturers references other manufacture s equivalents can be used Table 1 No of pairs Gill ref Belden Batt electronics ref 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 Alternatively a thicker or higher specification cable can be tried See also Section 6 1 Cabling and junction box The WindObserver I WindObserver FC unit is fitted with a flying 9 pair cable attached 15m long This must be terminated in a suitable terminal box to IP66 or better fitt
9. 9 2 Servicing There are no moving parts or user serviceable parts requiring routine maintenance 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 gt All cables and connectors are checked for continuity bad contacts corrosion etc gt A bench test is carried out as described in Section 9 6 gt You contact your supplier for advice 9 3 Fault finding Symptom Solution Check DC power to WindObserver II WindObserver FC cable and connections Check comms settings of WindObserver II WindObserver FC as detailed in Section 8 and host system match including correct No output Com port Check unit is in Continuous mode Check that in line communication devices are wired correctly NOTE It is usual for Anemometer TX to be connected to converter device RX Check comms settings of WindObserver II WindObserver FC and host system match Corapted piii Try a slower baud rate Check cable lengths and type of cable One way Check wiring is in accordance with the manual communication Failed Incorrect Check that transducer path is not blocked WindObserver II WindObserver FC output data invalid flag WindObserver II WindObserver FC Page 27 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 9 4 Returning unit If the u
10. INSTRUMENTS WindObserver Il WindObserver FC Ultrasonic Anemometer User Manual Doc No 1390 PS 0011 Issue 2 Gill Instruments Limited Saltmarsh Park 67 Gosport Street Lymington Hampshire S041 9EG UK Tel 44 0 1590 613500 Fax 44 0 1590 613501 E mail anem gill co uk Website www gill co uk Gill Instruments Ltd WindObserver I WindObserver FC Anemometer WindObserver II WindObserver FC Page 2 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd Contents WindObserver II WindObserver FC Page 3 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 45 Offset igure 3 UV Polarit WindObserver II WindObserver FC Page 4 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 1 FOREWORD Thank you for purchasing the WindObserver II WindObserver First Class manufactured by Gill Instruments Ltd The unit has no customer serviceable parts and requires no calibration or maintenance To achieve optimum performance we recommend that you read the whole of this manual before proceeding with use Do NOT remove black rubber transducer caps Gill products are in continuous development and therefore specifications may be subject to change and design improvements without prior notice The information contained in this manual remains the property of Gill Instruments and should not be copied or reproduced for commercial gain 2 INTRODUCTION
11. and de icing and Installation kit comprising a gasket and four Stainless Steel screws and WindObserver II WindObserver FC CD User Manual this manual and Integrity Check Chamber ICC Optional 5 2 Installation requirements Host system One of the following gt PC with an internal or external interface compatible with the RS422 output from the WindObserver II WindObserver FC gt Other equipment with I O compatibility to the WindObserver II WindObserver FC option selected Software One of the following gt HyperTerminal for Windows 9x and later or Terminal Windows 3 n normally already installed on a PC gt 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 details The flying cable must be retained with a cable tie within 150mm of the base of the anemometer Mounting Bracket A mounting bracket is required not provided which will attach to the WindObserver II WindObserver FC via the four tapped holes in the base of the unit Always ensure that the gasket supplied is fitted to the base of the anemometer It is important that the gasket supplied forms a watertight seal on the base of the anemometer In the event that the mounting bracket supplied by the
12. customer is not flat or does not form complete support for the anemometer base the customer must fit a mounting ring as shown in Figure 2a See Section 6 6 for mounting details WindObserver II WindObserver FC Page 7 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 6 INSTALLATION Do NOT remove the black rubber transducer caps Warranty is void if the security seal is damaged or removed All the time the WindObserver II WindObserver FC is not in its final location it should be protected from damage by keeping it in the original packaging as long as possible treating it as a delicate instrument 6 1 Installation Guidelines The WindObserver II WindObserver FC has been designed to meet and exceed the stringent standards listed in its specification Operating in diverse environments all over the world WindObserver II WindObserver FC requires no calibration or adjustment whatsoever As with any sophisticated electronics good engineering practice should be followed to ensure correct operation gt Always check the installation to ensure the WindObserver II WindObserver FC is not affected by other equipment operating locally which may not conform to current standards e g radio radar transmitters boat engines generators etc Guidelines gt Avoid mounting in the plane of any radar scanner a vertical separation of at least 2m should be achieved gt Radio transmitting antennas the followin
13. d from damage by keeping it in the original packaging as long as possible treating it as a delicate instrument Location It is important to ensure 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 WindObserver I WindObserver FC is mounted vertically with the cable exit at the bottom Alternatively the unit may be mounted in any orientation but note that if the unit is mounted with the cable uppermost the gasket provided in the mounting kit must be used Mounting bracket A suggested mounting bracket is shown in Fig 1 below It is recommended that the WindObserver II WindObserver FC mounting bracket is manufactured from stainless steel 316 to prevent possible galvanic corrosion It is also recommended that the supplied gasket is always fitted to ensure IP66 rating and to prevent galvanic corrosion if the mounting bracket is not manufactured from stainless steel 316 Stainless steel 316 fixings must be used WindObserver II WindObserver FC Page 12 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd Figure 1 Suggested mounting bracket and Earthing groundi
14. dObserver FC Page 17 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 7 7 ASCII message format UV and Polar ASCII UV format lt STX gt A 000 04 000 02 M 00 lt ETX gt 25 Start of Unit U Axis Wind V Axis Units Status End Check String Identification Speed Wind of Sum Speed String 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 OK 60 Heating enabled and OK if enabled Any other value Warning or fault condition see Section 9 5 End of string ASCII value 3 Check sum Exclusive OR of all characters between Start of String and End of String reported as ASCH hex WindObserver II WindObserver FC Page 18 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd ASCII Polar format lt STX gt B 121 000 08 M 00 lt ETX gt 06 A Start of Unit Wind Wind Units Status End Check String Identification Direction Speed of Sum String Where Wind direction In degrees relative to N DDD Wind speed In increments of 0 01 units E MMM MM All other parameters See Section 7 7 ASCH UV format WindObserver II WindObserver FC Page 19 Issue 2 Doc No 1390 PS 0011 June 2007
15. e alterable settings We suggest you note down your settings so that you can easily return to them i Enters Configuration Mode from Continuous mode or N Enters Configuration Mode from Polled mode D3 ENTER The WindObserver II WindObserver FC responds with the current settings The factory default settings are AO B3 C2 El F1 G0000 H2 J1 K1 LI M5 NA O1 PI 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 the WindObserver II WindObserver FC For example to change the message format to ASCII UV Continuous enter M 1 ENTER The WindObserver II WindObserver FC will reply with M1 When the unit is returned to the Measurement mode it will be in ASCII UV Continuous format Note The factory set default settings are shown in bold in the following sections 8 5 Output format Output format Configuration code ASCII UV Continuous M1 ASCII UV Polled tri state M3 ASCII Polar Continuous M2 ASCII Polar Polled tri state M4 NMEA Continuous M5 Tf units a
16. ed with glands to prevent moisture ingress The cable type from the terminal box to the host system must be as specified above If any cable is likely to be exposed to mechanical damage it must be enclosed in a suitable conduit or cable tray The cable must be securely fixed with cable clamps or equivalent such that the cable is not under stress at the cable glands The gland area at the base of the WindObserver II WindObserver FC should not be directly exposed to moisture as whilst the gland is sealed when mated the anemometer is vented to air at the base to avoid pressure build up If an IP66 rating is essential or the unit is mounted other than right way up use the gasket provided in the mounting kit WindObserver II WindObserver FC Page 9 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 6 4 Connections Important Do NOT join any of the cores of the cable together Joining cores could damage the unit permanently Any cores not used should be isolated Do NOT connect the unit s 0V heating ve or digital 0V to the screen or earth The screens of each pair are joined together inside the anemometer these should be joined to the cable screen s of any further cable run Avoid long grounding loops Digital OV should be used in conjunction with RS422 TX RX lines in order to improve noise immunity Each pair in the cable is labelled with its pair number Table 2 Conductor colour Designation Pa
17. g minimum separations all round are suggested e VHF IMM 1lm e MF HF 5m e Satcom 5m avoid likely lines of sight gt Ensure the product is correctly earthed in accordance with this manual gt Use cables recommended by Gill keeping the length below the maximum allowed See Section 6 3 Where the cables are cut and re connected junction boxes plugs and sockets the cable screen integrity must be maintained to prevent the EMC performance being compromised gt Earth loops should not be created earth the system in accordance with the installation guidelines See Section 6 4 gt Ensure the power supply operates to the WindObserver II WindObserver FC specification at all times Avoid turbulence caused by surrounding structures that will affect the accuracy of the WindObserver II WindObserver FC such as trees masts and buildings The World Meteorological Organisation makes the following recommendation gt The standard exposure of wind instruments over level open terrain is 10m above the ground Open terrain is defined as an area where the distance between the sensor and any obstruction is at least 10 times the height of the obstruction WindObserver II WindObserver FC Page 8 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 6 2 Bench system test Note Prior to physically mounting the WindObserver IT WindObserver FC in its final location we strongly recommend that a bench system test be carried out
18. gs and options see Section 8 Message Formats amp Options Keystrokes are shown thus D 3 ENTER 8 1 Entering Configuration mode From Continuous mode From Polled mode i 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 If in Continuous mode the anemometer responds with wind measurements immediately continuing at the selected Sampling rate If in Polled mode Enables poll N Polls anemometer where N is the Unit identifier entered as upper case The anemometer replies with a single set of wind measurements amp Anemometer replies with Unit identifier Disables poll Note If the unit is in Polled Mode it is always best to interrogate the unit for data with a before the poll identifier to cater for the event that the power has been switched off or power interrupted WindObserver II WindObserver FC Page 21 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 8 3 Checking the configuration We strongly recommend that as a standard procedure you use this command D3 prior to and after changing any settings It shows the current settings for all th
19. iagnostic Information Each of these commands causes a response from the WindObserver II WindObserver FC Command Item ban Typical response Type and serial No D1 E000694 Software version D2 2 07 Current configuration Unit configuration D3 A0 B3 C2 E1 F1 G0000 H2 J1 K1 L1 M5 NA O1 P1 T1 UI V1 X1 Y1 Z6 Anemometer power D5 29 8 supply voltage Integrity check D6 8 16 Message Format Output String Padding Setting Configuration code Comma Separated Variable CSV 01 Fixed Field 02 Example data string for NMEA CSV data changing to error status code condition SIIMW V 092 R 000 58 M A 16 SIIMW V 000 R M V 19 Example data string for NMEA Fixed Field data changing to error status code condition SIMWV 139 R 001 06 M A 1C SIIMW V 000 R 999 99 M 0E WindObserver II WindObserver FC Page 26 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 9 MAINTENANCE amp FAULT FINDING 9 1 Cleaning If there is any build up of deposit on the unit it should be gently cleaned with a cloth moistened with soft detergent Solvents should not be used and care should be taken to avoid scratching any surfaces The unit must be allowed to defrost naturally after being exposed to snow or icy conditions do NOT attempt to remove ice or snow with a tool Do NOT remove black rubber transducer caps
20. ils 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 PC with RS422 i wi or WindObserver FC RS485 input 9 pair cable Pair Cable 3 or 4 5 Signal names no onus twisted pairs eee TXB 1 green Zo RXB TXA black RXA RXB 3 white e TXB RXA black TXA Digital 0V 4 bue 7 Signal Ground Screen and CONNECTED INTERNALLY o Ground Earth drain wires DC Power Supply V red 3 ly 20 30V Supply V black P see Section 6 5 Heater power Heater yellow black supply Heater See Section 6 5 WindObserver II WindObserver FC Page 11 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 6 5 Power supplies All WindObserver II WindObserver FC units Voltage 20 to 30v DC Current 60mA max 50mA average Heating The heating module requires a separate power supply Either 22 30V DC 3A or 24V AC RMS 10 3A AC RMS NOTE AC Supply must be isolated from Mains Supply 6 6 Mechanical installation Before installing a bench system test is recommended see Section 6 2 All the time the WindObserver II WindObserver FC is not in its final location it should be protecte
21. ir 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 Ov 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 Screens Chassis ground Earthing or grounding To ensure correct operation and for maximum protection against lightning the anemometer MUST be correctly earthed grounded via its mountings Inadequate Earthing will degrade anemometer performance particularly in the presence of radio frequency interference See Fig 1 Suggested mounting bracket and Earthing grounding arrangements The unit MUST be connected to an appropriate grounding point with a minimum of 6mm copper wire via the MS base screws The cable screens must be joined with any cable screen continuing from the unit s cable via a junction box The primary earth for the anemometer must be provided via the base screws and not via the cable screens WindObserver II WindObserver FC Page 10 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd Default Settings The factory default settings are AO B3 C2 El F1 G0000 H2 J1 K1 LI M5 NA O1 P1 T1 UI V1 X1 Y1 Z6 See Section 8 Configuring for further deta
22. ng arrangements Suggested Earth Connection 2 Crimp Terminals Washers 6mm Wire he thick or similar plate size Customer Supply Recommend gt 3mm wall thickness Pa to drili and tap Use Stainless Steel bolts and washers If pole is not of similar material protect connection with grease or paint etc to prevent Optional strengthening web corrosion or strut to stiffen strucuture Note Similar earthing arrangements must be provided at the base of the pipe to ensure the Anemometer is correctly earthed i 1 dia or similar pipe size Customer Supply Scale 1 2 4 x holes or slots to 28mm dia hole to accept M5 screws clear cable gland WindObserver II WindObserver FC Page 13 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 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 Gasket 4 Holes 45 5 Material St Steel 316 Mounting Ring if required see 5 2 4 Min Thickness 3 0mm Scale 1 4 Mounting Ring Scale 1 1 The North pointing spar of the unit is aligned with the dividing line between the silver and blue portions of the Gill Instruments Model and Serial No label as shown above See Fig 3 on page
23. nit has to be returned it should be carefully packed in the original packaging and returned to your authorised Gill distributor with a full description of the fault condition 9 5 Status error codes The Status code is sent as part of each wind measurement message Code Status Condition 00 OK Sufficient samples in average period 60 OK and heating enabled Sufficient samples in average period A OK NMEA data valid 01 Axis 1 failed Insufficient samples in average period on U axis 02 Axis 2 failed Insufficient samples in average period on V axis 04 Axis 1 and 2 failed Insufficient samples in average period on 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 to the host system and power supply using a known working test cable Check that the unit is correctly configured by going into Configuration mode and using D3 See Section 83 Checking the configuration Check for normal output data and that the Status Code is OK 00 60 or A for NMEA format If the status code is other than these refer to Section 9 5 Status error codes Use an
24. ple of operation The WindObserver II WindObserver FC measures the times taken for an ultrasonic 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 be the same The wind speed and direction and the speed of sound can then be calculated from the differences in the times of flight on each axis This calculation is independent of factors such as temperature BASIC TIME OF FLIGHT THEORY L gt T a TRANSDUCER TRANSDUCER Co CONTROL SYSTEM L he C V And Ti L C V Therefore 1 Llai 1 i s T c fet L Distance between transducer faces C Speed of Sound V Velocity T Transit time of Ultrasound T Transit time of Ultrasound WindObserver II WindObserver FC Page 32 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 10 4 Electrical Conformity EC DECLARATION OF CONFORMITY ACCORDING TO COUNCIL DIRECTIVE 89 336 EEC INSTRUMENTS We Gill Instruments Ltd declare our sole responsibility that the products WindObserver II WindObserver FC Ultrasonic Anemometer Heated Variant Manufactured by Gill Instruments Ltd Sal
25. 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 Enter Measurement Mode and Record View data In still air wind speed measurements should not exceed 0 03m s If wind speed exceeds 0 03m s contact Gill Instruments Integrity Check Ensure the ICC is assembled correctly on the WindObserver II WindObserver FC Using HyperTerminal enter Configuration Mode as described in Section 8 Enter D6 A typical report as shown below will be displayed ALIGMENT LIMITS U 2417 2517 V 2369 2469 ALIGNMENT U 2467 PASS ALIGNMENT V 2419 PASS GAIN 0 0007 PASS GAIN 1 0007 PASS GAIN 2 0008 PASS GAIN 3 0008 PASS D6 If there has been no significant changes to The WindObserver II WindObserver FC head configuration then PASS will confirm correct operation Alterations to the head geometry will result in a FAIL message If this occurs please contact Gill Instruments WindObserver II WindObserver FC Page 29 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 10 APPENDICES 10 1 Glossary amp Abbreviations Item CAL CR CRLF CSV ENG ESC ETX FAC FC fpm GND HEX 1 P IP66 MAG MAX MPH NEMA NMEA 0183 version 3 No Meaning Calibration Carriage Return Carriage Return Line Feed Comma Separated Variable Engineering ESCape key on keyboard used to stop any process that is
26. r entering B ENTER B 5 ENTER change host terminal to 38400 baud and confirm by NOTE a random echo will be generated after the B5 confirmation Duplex mode Setting Configuration code Full duplex Half duplex E1 E2 Note Refer also to Para 8 3 Networking Configuration details Data and parity options Setting Configuration code 8 bits no parity 1 stop bit 8 bits even parity 1 stop bit 8 bits odd parity 1 stop bit 7 bits no parity 1 stop bit 7 bits even parity 1 stop bit 7 bits odd parity 1 stop bit F1 F2 F3 F4 FS F6 WindObserver II WindObserver FC Doc No 1390 PS 0011 Page 25 Issue 2 June 2007 Gill Instruments Ltd ASCII Message terminator Setting Configuration code CR LF L1 LF L2 Scaling For output string information only settings not applicable to WindObserver II WindObserver FC Setting 10 20 30 40 50 60 70 Configuration code Z1 Z2 Z3 z4 Z5 zej Z7 Polar mode direction wraparound For output string information only settings not applicable to WindObserver II WindObserver FC Setting Configuration code Wraparound 0 539 C1 Standard C2 8 15 Configuration and D
27. re to be networked they MUST be given unique Unit Identifiers see Section 8 6 Unit Identifier WindObserver II WindObserver FC Page 22 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 8 6 Unit Identifier NX Changes the Unit Identifier to X X can be any letter from B to Z Note that the default Unit Identifier A should not be used when networking units 8 7 Units Units metres sec knots miles hour kilometre hour feet minute m s knots MPH kph fpm Configuration T w tr ua T5 code 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 transducer is heated independently and will be active when ambient temperature drops below approximately 15 C each transducer will de activate when 25 C threshold is reached 8 11 NMEA Setting Configuration code NMEA string IIMWV K1 NMEA string WIMWV K2 8 12 Vertical Output Padding Setting Config
28. tmarsh Park 67 Gosport Street Lymington S041 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 product with the following harmonized standards EN50081 1 Using EN55022 Class B EN50082 2 Using IEC 61000 4 2 IEC 61000 4 3 IEC 61000 4 4 IEC 61000 4 6 A S E Signed by A C R Stickland Director Date of issue 09 04 2007 Place of issue Gill Instruments Ltd Saltmarsh Park 67 Gosport Street Lymington S041 9EG WindObserver II WindObserver FC Page 33 Issue 2 Doc No 1390 PS 0011 June 2007
29. uration code Disable vertical output padding M1 Enable vertical output padding M2 WindObserver II WindObserver FC Page 23 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 8 13 45 Offset Setting Configuration Notes code Align U axis with XA X1 Aligns U axis with North South axis transducer axis Align U axis 45 XD X2 This re aligns both U amp V and polarity 45 to transducer axis Reverses Polar X3 reverses reported polar direction to allow the Direction X3 instrument to be mounted upside down N B Does NOT affect UV alignment Mode 1 3 Align 45 from XA X4 set UV amp polar alignment at 45 degrees from North North when instrument is mounted upside down shows the polarity of U and V if the wind components along the U and V axis are blowing in the direction of the respective arrows _ U NZ V V ZN U Figure 3 UV Polarity WindObserver II WindObserver FC Page 24 Issue 2 Doc No 1390 PS 0011 June 2007 Gill Instruments Ltd 8 14 Communications settings Baud rate Setting Configuration code 2400 B1 4800 B2 9600 B3 19200 B4 38400 B5 1200 B6 300 B7 If a request is sent to change the Baud rate before it changes it must be confirmed by entering B ENTER at the new Baud rate Eg Ifset to B3 9600 baud to change to B5 38400 baud ente
Download Pdf Manuals
Related Search