Gill Instruments Windobserver 65 User Manual

User Manual
Ultrasonic Anemometer (Parts 1390-65-X-XXX)
Doc No: 1390-PS-0039 Issue 4 (Applies to firmware 2387 6.04 onwards).
Gill Instruments Limited
Saltmarsh Park, 67 Gosport Street, Lymington,
Hampshire, SO41 9EG, UK
Tel: +44 1590 613500, Fax: +44 1590 613555
Email: anem@gillinstruments.com Website: www.gillinstruments.com
Gill Instruments Ltd _____________________________________________________________________________________________________________
________________________________________________________________________________________________ WindObserver 65 Page 2 Issue 4
Doc. No. 1390-PS-0039 June 2016
Contents
1. FOREWORD ............................................................................................ 5
2. INTRODUCTION...................................................................................... 5
3. FAST TRACK SET-UP ............................................................................ 5
4. SPECIFICATION ..................................................................................... 6
5. PRE-INSTALLATION .............................................................................. 7
5.1. Equipment supplied .......................................................................................... 7
5.1.1 WindObserver 65 Part Numbers. ...................................................................... 7
5.2. Packaging ......................................................................................................... 7
5.3. Installation requirements ................................................................................... 8
5.4. Connector and Cable Assembly. ....................................................................... 9
6. INSTALLATION ..................................................................................... 11
6.1. Installation Guidelines ..................................................................................... 11
6.2. Bench system test .......................................................................................... 12
6.3. Cabling ........................................................................................................... 12
6.4. Power supplies ............................................................................................... 13
6.5. Connections .................................................................................................... 13
Default Settings ................................................................................................... 15
Connecting to a PC with a RS422 or RS485 input ............................................... 15
Networking units .................................................................................................. 16
6.6. Indoor Power and Communications Interface (Part 1189-PK-021) .................. 17
PCI Connector Pin and Cable assignments ......................................................... 18
Anemometer connector – 15 way ........................................................................ 18
Auxiliary Analogue Outputs – 9 way Plug............................................................. 18
DC Supply – 4 way .............................................................................................. 18
RS 232 Output – 9 way Skt ................................................................................. 19
RS422 Network In – 9 way Skt ............................................................................ 19
RS422 Network Out – 9 way Plg.......................................................................... 19
6.7. Analogue Connections .................................................................................... 20
Analogue Voltage Output Connections (5v or 2.5v) ........................................... 20
Analogue Connections for 4-20mA output ............................................................ 20
6.8. Using the WindObserver 65 with the Gill WindDisplay .................................... 21
6.9. Mechanical installation .................................................................................... 23
Location .............................................................................................................. 23
Orientation .......................................................................................................... 23
Mounting bracket (Short and Long Mounts) ......................................................... 23
Pipe Mounting (use with Pipe Mount)................................................................... 25
Custom Mount (Use with WindObserver No Mount Option) .................................. 25
Alignment ............................................................................................................ 26
Figure 2a North Marker (Long Base Mount shown for illustrative purposes). ....... 26
Figure 2b WindObserver 65 outline dimensions ................................................... 27
7. MESSAGE FORMATS & OPTIONS ...................................................... 29
7.1. Wind Speed format ......................................................................................... 29
7.2. Output formats ................................................................................................ 29
Low wind speeds ................................................................................................. 29
7.3. Networking ...................................................................................................... 30
7.4. Units ............................................................................................................... 31
7.5. Output rate ...................................................................................................... 31
Sample Average .................................................................................................. 31
7.6. Averaging (Digital Data) .................................................................................. 31
Gill Instruments Ltd _____________________________________________________________________________________________________________
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7.6.1 G Command Averaging. ............................................................................. 31
7.6.2 Modes 14 and 15 Road Weather Averaging (RWA)..................................... 32
7.7. Options ........................................................................................................... 35
Speed of Sound (SOS) and Temperature ............................................................ 35
Heating (If fitted) ................................................................................................. 35
45 Offset ............................................................................................................ 35
Vertical Output Padding ....................................................................................... 35
7.8. ASCII message format (UV, Polar and Tunnel) ............................................... 36
ASCII UV format ................................................................................................. 36
ASCII Polar format .............................................................................................. 37
ASCII Polled (UV and Polar) ................................................................................ 37
ASCII format – Tunnel Mode ............................................................................... 38
7.9. Binary message format (UV, Polar and Tunnel) .............................................. 39
Binary UV format ................................................................................................. 39
Binary Polar format.............................................................................................. 39
Binary Tunnel format ........................................................................................... 40
7.10. NMEA Format ................................................................................................. 41
7.11. Averaging Format (Modes 14 and 15) ............................................................. 42
7.12. Analogue outputs and options ......................................................................... 43
Output modes ..................................................................................................... 43
Channel outputs .................................................................................................. 43
Status ................................................................................................................. 43
Temperature ....................................................................................................... 43
Tunnel mode ....................................................................................................... 43
Scaling ................................................................................................................ 43
Averaging ............................................................................................................ 43
Polar mode direction wraparound ........................................................................ 44
Low wind speeds ................................................................................................. 44
Cables................................................................................................................. 44
8. CONFIGURING...................................................................................... 45
8.1. Configuring using HyperTerminal .................................................................... 45
8.2. Entering Configuration mode .......................................................................... 45
8.3. Returning to Measurement mode .................................................................... 45
8.4. Checking the configuration ............................................................................. 46
8.5. Changing settings ........................................................................................... 46
8.6. Configuration Settings..................................................................................... 47
Ax - Speed of Sound (SOS) and Temperature ..................................................... 47
Bx - Baud Rate .................................................................................................... 47
Cx- Analogue Output Polar Mode Direction Wraparound ..................................... 47
Dx- Diagnostic and Configuration Command (see also Section 10.6) ................... 48
Ex - Full Duplex/Half Duplex Mode ..................................................................... 48
Fx- Data and Parity Options ................................................................................ 48
Gx to Gxxxx - Averaging (Digital Outputs only) .................................................... 48
Hx - Heating (If fitted) ......................................................................................... 48
Jx - Analogue Power-up Tests ............................................................................. 49
Kx – NMEA Settings ............................................................................................ 49
Lx - ASCII Message Terminator ........................................................................... 49
Mx to Mxx - Message Format .............................................................................. 49
Nx - Node Address .............................................................................................. 49
Ox – ASCII Output Format (Output String Padding) ............................................. 50
Px - Output Rate ................................................................................................. 50
Q- Measurement Mode ........................................................................................ 50
Tx - Analogue Output Voltage or Current settings (if fitted)................................... 50
Ux – Digital Output Units ..................................................................................... 50
Vx- Vertical Output Padding ................................................................................ 51
Xx - 45 Alignment Offset/Inverted Operation....................................................... 51
Gill Instruments Ltd _____________________________________________________________________________________________________________
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Yx – Analogue Output, Channel 3 (if fitted). ......................................................... 51
Zx – Analogue Output Scaling (if analogue outputs fitted). ................................... 51
9. VIEW AND LOG DATA WITH WINDVIEW SOFTWARE ...................... 52
9.1. Introduction ..................................................................................................... 52
9.2. Connect to an Instrument using Gill WindView Software ................................. 52
9.3. WindSock Function ......................................................................................... 54
9.4. Logging Data. ................................................................................................. 55
10. MAINTENANCE & FAULT-FINDING .................................................... 57
10.1. Cleaning and Handling.................................................................................... 57
10.2. Servicing ......................................................................................................... 58
10.3. Fault-finding .................................................................................................... 58
10.4. Safe Mode ...................................................................................................... 58
10.5. Status (error) codes ........................................................................................ 59
10.6. Bench Test ..................................................................................................... 60
Use of an Integrity Check Chamber (Optional item) ............................................. 61
10.7. Returning Units ............................................................................................... 61
11. APPENDICES ........................................................................................ 62
11.1. Glossary & Abbreviations ................................................................................ 62
11.2. Guarantee....................................................................................................... 63
11.3. Principle of operation ...................................................................................... 64
11.4. Electrical Conformity ....................................................................................... 65
Gill Instruments Ltd _____________________________________________________________________________________________________________
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Doc. No. 1390-PS-0039 June 2016
1. FOREWORD
Thank you for purchasing the WindObserver 65 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
The Gill WindObserver 65 wind sensor is a very robust 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 65 is available with or without de-icing heating (recommended if icing is likely), and with or without analogue outputs.
The WindObserver 65 can be used in conjunction with a PC, data logger or other device, provided it is compatible with the RS422 output or the analogue outputs. Multiple units can be networked if required.
Alternatively, the WindObserver 65 is designed to connect directly to the Gill WindDisplay unit to provide a complete wind speed direction system.
The output message format can be configured in Polar, UV (2-axis), NMEA (0183 Version 3), Tunnel formats, and as either a Continuous output or Polled (requested by host system), detailed in full in Section 8 Message Formats & Options.
3. FAST TRACK SET-UP
If you are in a hurry to try out the WindObserver 65, are familiar with Gill equipment, and coupling to a PC using RS422, go to the following sections:
Section 6 Installation Section 7 Message Formats & Options Section 8 Configuring
After you have successfully set up the WindObserver 65, 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 65.
Gill Instruments Ltd _____________________________________________________________________________________________________________
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4. SPECIFICATION
Measurement
Output 1, 2, 4, 5, 8, 10Hz Parameters UV, Polar, NMEA, Tunnel Units m/s, Knots, MPH, KPH ft/min Averaging Flexible 1-3600 seconds or Adjustable Averaging for Road Weather applications
Wind Speed
Range 0 - 65m/s (0-145mph) Accuracy ±2%@12m/s Resolution 0.01m/s Offset ±0.01m/s
Direction
Range 0 - 359° Accuracy ± 2° Resolution
Sonic Temperature Output
Range -40°C to + 70°C
Anemometer Status Supplied as part of standard message Starting Threshold 0.01 m/s Dead Band Wind Direction None Power Requirement
Anemometer only 9-30V DC (30mA @ 12V DC, non-analogue unit) 9-30V DC (50mA @12V DC, analogue unit) Reverse voltage protected Heating - Optional Allow 3A @ 22v to 30v (max) AC rms or DC
Digital Output
Communication RS422, full duplex, RS485 2 wire network facility Baud rates 1200, 2400, 4800, 9600, 19200, 38400 Formats 8 data bits, odd, even or no parity, 1 stop bit
Analogue Output - Optional
Quantity 3 (speed, direction, status, SOS or Sonic Temperature) Scale Multiples of ± 10m/s up to ± 70m/s Type ± 2.5V, 0-5V or 4-20mA V output resistance 60 Ohms 4-20mA loading 10-300 Ohms
Dimensions
Size See manual Fig 2b for dimensions Weight WindObserver 65 1.34kg (no mount or lead). Base Mount Short 0.63kg. Base Mount Long 1.05kg. Pipe Mount 1.06kg.
Materials
External Construction Stainless Steel 316
Environmental
Moisture protection IP66 (NEMA4X) Operating temperature -55°C to +70°C (heated version) Humidity 0% to 100% RH Precipitation 300mm/hr EMC EN 61326-1:2006 EN 60945:2002 Icing MILSTD810F Method 521.1 Procedure 1
Standards Traceable to UK national standards Lloyds Register Type Approved Site Calibration None required. (See Section 10.6 Zero Wind Check)
Gill Instruments Ltd _____________________________________________________________________________________________________________
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5. PRE-INSTALLATION
5.1. Equipment supplied
WindObserver 65. and Installation kit, 1390-10-163 (see para 5.4). and WindObserver 65 User Manual on a CD (this manual).
5.1.1 WindObserver 65 Part Numbers.
Available parts are as detailed below:-
Optional Extras:
5.2. Packaging
Whilst the WindObserver 65 is being moved to its installation site, the unit should be kept in its packaging. Retain the packaging for use if the unit has to be moved or returned to Gill Instruments.
Item
Part Number
Cable 3 Pair twisted and Shielded wires, 24awg,
per metre.
026-02660
Cable 4 Pair twisted and Shielded wires, 24awg, per metre.
026-03156
Cable 9 Pair twisted and Shielded wires
, 22awg
, per metre.
026-02663
Integrity Check Chamber
1277
-00-
052 19 way Connector kit
1390
-10-
163 Base Mount Short
1390
-30-
154 Base Mount Long
1390
-30-
155 Pipe Mount
1390
-30-
156
Gill Instruments Ltd _____________________________________________________________________________________________________________
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5.3. Installation requirements
Host system - One of the following:
PC with an internal or external interface compatible with the RS422 output from
the WindObserver 65.
Gill WindDisplay. Other equipment with I/O compatibility to the WindObserver 65 option selected.
For example if the unit has Analogue outputs, a Data Logger, Chart Recorder, or PC
fitted with an ADC card.
Networking - Multiple WindObserver 65 units can be networked
Software - One of the following:
Gill Wind Software used as a Terminal program only (Wizard and Sync Comms
not applicable). Wind will run on PC’s up to and including Windows 10 and can be downloaded free from:- http://www.gillinstruments.com/main/software.html
HyperTerminal (supplied with Windows™ 9x to XP). Other Terminal Emulation software packages
Cable and Junctions Box
To connect between the WindObserver 65 and the host system. The unit is supplied with a base mounted connector system or flying cable options (requiring a mast mounted junction box (not provided)) for onward connection.
If using a flying cable option it must be retained with a cable tie within 150mm of the base of the anemometer.
Mounting Bracket
The WindObserver 65 can be supplied with a short or long base mount to use with a mounting bracket (not provided). The WindObserver 65 can be attached to the bracket via the four tapped holes in the base mount fitted to the unit. The gasket supplied can be fitted between the sensor and its mounting bracket when it is important to minimise the effects of corrosion should two dissimilar metals be used.
In the event that the mounting bracket supplied by the 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 2.
Mounting Pole
The WindObserver 65 can be supplied with a pole mount that provides the option to attach to a pole with or without a thread (pole not provided). The WindObserver 65 can be retained to the pole via the three tapped holes in the pole mount fitted to the unit.
Gill Instruments Ltd _____________________________________________________________________________________________________________
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5.4. Connector and Cable Assembly.
The WindObserver 65 variant with a connector base is supplied with a mating 19 way connector.
Open the pack of connector parts supplied (Gill Part 1390-10-163). A set of assembly instructions are supplied with the connector together with:-.
Table of Equivalent Part Numbers
Part Name Gill Part No. Cannon Trident Part No.
Connector head, 19 way 020-04464 192993-0054 Metal backshell (7 pieces) 020-04465 192993-0084
Solder bucket contacts
(5 per pack, (4 –off packs))
020-04469 192900-0635
Arrange Backshell (Gill Part Number 020-04465). Pass parts 1-6 along the cable as per the diagram below. (Note that the connector supplies the correct strain relief for cables with an outside
diameter of 7.9 to 12.6mm).
Prepare Cable (e.g. Gill Part 026-026643). Trim back the cable outer and twisted pair screen sleeves 40mm (see diagram below). Trim back the screen drain wires to a length of 24mm. Strip back the connection wires by 7.1mm and tin solder. Solder the wires to the bucket contacts (will take 14awg to 26awg wire). Unused wires should be cut back and insulated.
Prepare Connector Head (Gill Part 020-04464). Remove the connector thread protector and place the O-ring (part 7) into the groove of the
connector head (020-04464).
O-Ring to be placed here
Remove the thread protector
7.1mm
40 mm
Screen drain wires
Screen Twisted Pair Cable
24mm
Part 1
Part 2
Part 3
Part 4
Part 7
Part 6
Part 5
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Assemble Connector to the Cable.
Referring to Page 9 push connector contacts through the red connector head seal into the appropriate location, when in place there should be a click as the contact locks into position.
Once contacts are in position pass part 6 up the cable and into position as shown below.
Note: if a connector pin needs removing use Cannon Extraction Tool, Manufacturer’s Part 192922-1450.
Fold and spread screen wires over part 6 and then push up part 5 as shown to clamp screen wires between Parts 5 and 6.
Now screw in part 4 and torque up to a value of 10Nm.
Pass parts 3 and 2, the cable seal and cable grip from the connector kit, along the cable to the housing.
Now screw in item 1, the clamp nut, over parts 2 and 3 and onto the housing and torque up to a value of 10Nm.
Part 2
Part 5
Part 4
Part 1
Part 3
Part 6
Part 6
Gill Instruments Ltd _____________________________________________________________________________________________________________
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6. INSTALLATION
Do NOT remove the black “rubber” transducer caps. Warranty is void if the
Green security seal is damaged or removed.
Take care not to knock the four Transducer arms. All the time the
WindObserver 65 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.
If an Intrinsically Safe (IS) device is required, the I.S. WindObserver must be
used - the WindObserver 65 is NOT an IS device.
Warranty is void if the unit case is removed.
6.1. Installation Guidelines
The WindObserver 65 has been designed to meet and exceed the stringent standards listed in its specification. Operating in diverse environments all over the world, WindObserver 65 requires no calibration or adjustment whatsoever.
As with any sophisticated electronics, good engineering practice should be followed to ensure correct operation.
Always check the installation to ensure the WindObserver 65 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 –
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 in accordance with this manual 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.
Earth loops should not be created – earth the system in accordance with the
installation guidelines. (See Section 6.5)
Ensure the power supply operates to the WindObserver 65 specification at all
times.
Avoid turbulence caused by surrounding structures that will affect the accuracy of the WindObserver 65 such as trees, masts and buildings. The World Meteorological Organisation makes the following recommendation:
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.
When installing the unit degrease the unit and hold with lint free gloves to reduce the build-up of deposits.
Gill Instruments Ltd _____________________________________________________________________________________________________________
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6.2. Bench system test
Note: Prior to physically mounting the WindObserver 65 in its final location, we strongly recommend that a bench system test be carried out 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 10.6.
6.3. Cabling
Cable type
A RS422 compatible cable should be used, with the number of twisted pairs matching the application. If both the (optional) Heating and Analogue outputs are utilised, then a 9 pair cable is required.
Generic description – Twisted pairs with drain wire, screened with aluminised tape,
with an overall PVC sheath. E.g. 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
ref.
Batt electronics ref.
Cable
Gauge
2 - 9729
91071
24 3
026-02660
9730
91030
24 4
026-03156
9728
91199
24 6 -
8778
91011
22 9
026-02663
8774
91009
22
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. If a heated unit is used on longer cables than supplied, consideration should be given to powering the heater using lower gauge wire or paralleling wires to reduce volt drops.
Cabling and junction box
If the WindObserver 65 unit is fitted with a flying 9 pair cable attached this must be terminated in a suitable terminal box to IP66 or better, fitted 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 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 at regular intervals such that the WindObserver cable gland does not support the cable weight.
The gland area at the base of the WindObserver 65 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 and apply additional sealing compounds around the base.
Gill Instruments Ltd _____________________________________________________________________________________________________________
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Doc. No. 1390-PS-0039 June 2016
6.4. Power supplies
All WindObserver 65 units
Sensor Supply: -
Voltage 9 to 30v DC Current 30mA Average. 50mA Max @12v dc (non-analogue unit) Current 50mA Average, 65mA Max @ 12v dc (analogue unit 0-5v
setting).
The WindObserver 65 has reverse polarity protection.
Wind Observer II Units with Heating
Heater Supply: -
Voltage 22V to 30V (max) AC RMS or DC. Current allow for 3A.
The AC Supply must be isolated from Mains Supply. The heating module requires a separate power supply. Heater Cable length should be minimised to avoid cable volt drops and ensure
maximum voltage received at the Anemometer.
The heating (H command) is enabled as a default condition. If heating is not
required enabled then the H command must be set for H1.
Each transducer is heated independently and will be active when ambient
temperature drops below approximately +15ºC each transducer will de-activate
when +25ºC threshold is reached.
The WindObserver 65 has reverse polarity protection.
6.5. Connections
Important Any cable wires not used should be isolated and grounded at the terminating equipment/user end.
Do NOT connect the unit’s 0V, heating –ve, analogue output 0V or digital 0V to the screen or earth.
On units with integral cable 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.
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 6mm² copper wire, via the M5 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.
Gill Instruments Ltd _____________________________________________________________________________________________________________
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Doc. No. 1390-PS-0039 June 2016
View of the WindObserver 65 base connector variant
Supplied Plug Anemometer Socket
Table 2 - 19 way connector and cable connections
19 Way Connector
Terminal Letter
Cable Gland Option
Signal Designation
Conductor
Colour
P Pair 1
Green
RS422 TXB (+)
C
Pair 1
Black
RS422 TXA (
-) U
Pair 2
White
RS422 RXB (+)
V
Pair 2
Black
RS422 (RXA (
-) R
Pair 3
Red Supply V+
D
Pair 3
Black
Supply V
- M Pair 4
Blue
Digital 0v
N
Pair 4
Black
Not Used (Isolate)
A
Pair 5
Yellow
Heater +
*1 B
Pair 5
Black
Heater
-
*1 H Pair 6
Brown
Analogue Ch 3
*2 G
Pair 6
Black
Analogue 0v
*2 E
Pair 7
Orange
Not Used (Isolate)
F
Pair 7
Black
Not Used (Isolate)
T Pair 8
White
Analogue Ch 1
*2 S
Pair 8
Red Analogue Ch 2
*2 L
No Connection
Pair 9
Green
Not Used (Isolate)
K
No Connection
Pair 9
Red Not Used (Isolate)
J No Connection
Not Applicable
Not Applica
ble Not Used
*
1 and 2
Note may not be functional - check model number and options fitted.
Contact A
Gill Instruments Ltd _____________________________________________________________________________________________________________
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Default Settings
The factory default settings are: Non - heated units A0 B3 C1 E1 F1 G0000 J1 K1 L1 M2 NA O1 P1 T1 U1 V1 X1 Y1 Z1 Plus RWASHORT 10 and RWALONG 60. Heated units A0 B3 C1 E1 F1 G0000 H2 J1 K1 L1 M2 NA O1 P1 T1 U1 V1 X1 Y1 Z1 Plus RWASHORT 10 and RWALONG 60. Note that Heating (H command) is enabled as a default condition. If heating is not
required enabled then the H command must be set for H1.
See Section 8 Configuring for further details
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 or USB converter, which will plug into the PC or host equipment.
WindObserve
r 65
Converter,
PC, or Logger
Signal Names
19 Way
Connector
Cable Gland
RS422/RS485
Pin No.
Pair No
Colour
Signal Names
TXB (+)
P 1
Green
RXB (+)
TXA (
-) C 1
Black
RXA (
-)
RXB (+)
U 2
White
TXA (+)
RXA (
-) V 2
Black
TXB (
-)
Digital 0v
M 4
Blue
Signal Ground
Connected Internally
Ground Earth
Sensor +
R 3
Red
+ve
Sensor
Sensor
- D 3 Black
-
ve PSU
*
Heater +
A 5
Yellow
+ve Heater
Heater
- B 5 B
lack -ve PSU
*
An Ch 1
T 8
White
Ch 1
Device
An Ch 2
S 8
Red
Ch 2 Device
An Ch 3
H 6
Brown
Ch 3 Device
An Ch 0v
G 6
Black
Ch1-3 Return
* For Power Supply Information see Section 6.4.
Gill Instruments Ltd _____________________________________________________________________________________________________________
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Networking units
Before coupling units into a network:
Each device must be configured with a unique Unit Identifier (letter A to Z)
however in multi drop systems it could be advised to avoid using letters A-F, KMN and P as they could appear in the data string.
Unit must be set for half duplex mode (E2 setting) see Para 7.3).
It must be configured to a tri-state polled mode M3 or M4.
See also Section 8 - Configuring
WindObserver
65
Converter,
PC, or Logger
Signal Names
19 Way
Connector
Cable Gland
RS485 2 wire
Pin No.
Pair No
Colour
Signal Names
TXB (+)
P 1
Green
RXB (+)
U 2
White
T/
RXB (+)
TXA (
-) C 1
Black
T/RXA (
-)
RXA (
-) V 2
Black
Digital 0v
M 4
Blue
Signal Ground
Connected Internally
Ground Earth
Sensor +
R 3
Red
+ve
Sensor
Sensor
- D 3 Black
-
ve PSU
*
Heater +
A 5
Yellow
+
Heater
Heater
- B 5 B
lack -
PSU *
*For Power Supply Information see Section 6.4.
Note: Each unit in the network will require its own power supplies.
To Next Unit
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6.6. Indoor Power and Communications Interface (Part 1189-PK-021)
The desktop PCI is intended for use in a protected environment and provides interfacing and power to a single anemometer (Note a separate supply is required for heating).
The PCI is not intended for outdoor use. Note a mains connector lead only is supplied with the PCI Box.
Connecting to a PCI Unit with RS422 input
WindObserver
65
PCI Box
Signal Names
19 Way
Connector
Cable Gland
15 Way D Type
Connector
Pin No.
Pair No
Colour
Pin No.
Signal Name
TXB (+)
P 1
Green
2 RXB (+)
TXA (
-) C 1
Black
9 RXA (
-) RXB (+)
U 2
White
3 TXB (+)
RXA (
-) V 2
Black
10 TXA (
-) Digital 0v
M 4
Blue
4
Signal Ground
Sensor +
R 3
Red 5
Power V+
Sensor
- D 3 Black
11 Power 0v
To Connect the PCI RS232 Output (9 Pin D Type connector) to a PC RS232 9 way port to communicate with the sensor connect as follows:-.
PCI RS232 Output
PC RS232 Input
Pin 2
Pin 2
Pin 3
Pin 3
Pin 5 Gnd
Pin 5 Gnd
Environmental
PCI Electrical Power Requirements
1) 100Vac – 120Vac, 10VA for the 115V switch position
2) 200 Vac – 250Vac, 10VA for the 230V switch position
3) 20-30Vdc, 120mA max (anemometer)
8-15Vdc, 50mA max (interface)
3 Fuses protect the unit:
1. Externally accessible 315mA (T) for 115/230v operation
2. Internally accessible 500mA (T) AUX
3. Internally accessible 500mA (T) ANEM
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PCI Connector Pin and Cable assignments Anemometer connector – 15 way
Pin Designation (Example Plug MH Connectors MHDM15-DM15P-K)
1 Chassis (e.g. RS Components 765-9494) 2 RS422_RXB (+)
3 RS422_TXB (+) 4 Digital 0V, Signal ground 5 Supply V+ 6 Analogue output V1 7 Not used 8 Analogue output V2 9 RS422_RXA (-) 10 RS422_TXA (-) 11 Supply V­12 Not applicable 13 Analogue 0V 14 Not used 15 Analogue output V3
Auxiliary Analogue Outputs – 9 way Plug
Pin Designation (Example MH Connectors MHDM9-DM9S-K)
1 Earth (e.g. RS Components 765-9488) 2 Analogue Ground 1
3 Analogue Ground 2 4 Analogue Ground 3 5 Not applicable. 6 Analogue Output 1 (direct connection to Anemometer Connector Pin 6) 7 Analogue Output 2 (direct connection to Anemometer Connector Pin 8) 8 Analogue Output 3 (direct connection to Anemometer Connector Pin 15) 9 Not applicable
DC Supply – 4 way
Pin Designation (Example Connector Amphenol CO91A)
1 Interface V+ (e.g. T3301001) 2 Interface V­3 Anemometer V­4 Anemometer V+
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RS 232 Output – 9 way Skt
Pin Designation (Example Plug MH Connectors MHDM9-DM9P-K)
1 DCD (e.g. RS Components 765-9485) 2 RX data
3 TX data 4 DTR 5 Signal Ground 6 DSR 7 RTS 8 CTS 9 RI
RS422 Network In – 9 way Skt
Pin Designation (Example Plug MH Connectors MHDM9-DM9P-K)
1 Not connected (e.g. RS Components 765-9485) 2 Not connected
3 Not connected 4 RS422_RXA (-) 5 Signal ground 6 RS422_TXA (-) 7 RS422_TXB (+) 8 RS422_RXB (+) 9 Chassis
RS422 Network Out – 9 way Plg
Pin Designation (Example MH Connectors MHDM9-DM9S-K)
1 Not connected (e.g. RS Components 765-9488) 2 Not connected
3 Not connected 4 RS422_RXA (-) 5 Signal ground 6 RS422_TXA (-) 7 RS422_TXB (+) 8 RS422_RXB (+) 9 Chassis
PCI Operation.
There are three Red LED’s on the PCI front panel. When the PCI box is powered the Power LED will illuminate. When a WindObserver is connected as above to the PCI box and is set to output
continuous data the PCI box RX LED will flash on/off at the WindObserver output rate thus giving a good indication that the WindObserver output is wired to the PCI box correctly and outputting RS422 data correctly.
If the PCI RS 232 connection is connected to a computer then when a terminal programme is opened and commands sent by a PC keypad or program to the PCI box its TX LED will illuminate intermittently indicating a good connection between the PC and PCI box.
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6.7. Analogue Connections
When using the analogue outputs it is advisable to use a low pass filter to remove any high frequency noise present.
The analogue signals can be susceptible to external interference if unprotected. The anemometer cable has individual screens covering each channel’s signal wires. The continuing cable connected to the anemometer must be of equal or greater cross sectional area as the anemometer cable and must be individually screened or screened pairs.
Note that connections can also be made to a PC or other device as described in the preceding section.
REFER TO SECTION 8.6 the T command selects Voltage or Current Output on Channels 1-3.
Analogue Voltage Output Connections (5v or 2.5v)
Analogue Connections for 4-20mA output
Important – When using the current outputs, the output loads on each channel MUST be less than 300 ohms, including cable resistance.
A
300
max
+ - V +
-
Channel 1
– T/Pair 8 White
Channel 2 – S/Pair 8 Red Channel 3 – H/Pair 6 Brown
0v return,
G/Pair 6 Black or M/Pair 4 Black
Anemometer
Channel 1
– T/Pair 8 White
Channel 2 – S/Pair 8 Red Channel 3 – H/Pair 6 Brown
0v return,
G/Pair 6 Black or M/Pair 4 Black
Anemometer
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6.8. Using the WindObserver 65 with the Gill WindDisplay
The WindObserver 65 is designed to interface with the Gill WindDisplay unit to provide a complete wind speed and direction system. To interface to a non NMEA WindDisplay the WindObserver is set for Polar (M2) and 9600 (B3) configuration settings.
When coupled to a WindDisplay, the WindObserver 65 can be used as supplied, however if a fault occurs the WindDisplay may lock into the last valid reading. Re-configuring the WindObserver 65 to Fixed Field output (O2) will ensure that any fault is flagged on the WindDisplay.
After coupling to a WindDisplay, the Wind Speed units and the Averaging period can be selected using the WindDisplay controls. See the WindDisplay User Manual.
Note that although the WindDisplay can display wind speed in various units, these are calculated within the WindDisplay. The data coming to the WindDisplay must be in metres/sec (the factory default output setting).
Figure 3 WindDisplays
Meteorological Display Marine
Display
NOTES:­If the WindDisplay is configured for NMEA mode then the WindObserver 65 must
also be configured for NMEA mode and 4800-baud operation (configuration settings M5 and B2).
If required the WindDisplay can provide power for the sensor circuitry but not power for the heater circuitry.
Units set for Averaging Mode 15 will not be compatible with the WindDisplay input requirements.
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Connecting to a Gill WindDisplay
Refer to the WindDisplay User Manual for the method of operation.
WindObserver
65
WindDisplay
Signal Names
19 Way
Connector
Cable Gland
Pin No.
Pair No
Colour
Signal Names
Terminal
TXB (+)
P 1
Green
RS422 +
8
TXA (
-) C 1
Black
RS422
- 7 Connected Internally
Ground Earth
Sensor +
R 3
Red
Supply +
2
Sensor
- D 3 Black
Supply 0
1 Heater +
A 5
Yellow
+ve Heater
Heater +
B 5 Black -ve
Supply
*
*…For Power Supply Information see Section 6.4.
Notes:-
See Section 8, Configuring for further details.
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6.9. Mechanical installation
Do NOT remove the black “rubber” transducer caps.
Take care not to knock the four Transducer arms.
Before installing, a bench system test is recommended.
All the time the WindObserver 65 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.
When installing the unit handle with lint free gloves and degrease the unit to
reduce the build-up of deposits.
Do not apply clamps to the WindObserver cylinder body as this will distort
the cylinder and affect sealing.
Location
It is important to ensure that the WindObserver 65 is mounted in a position clear of any structure, which may obstruct the airflow or induce turbulence.
Do NOT mount the WindObserver 65 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 65 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 base must be fully sealed externally to prevent water penetration. Fit the supplied gasket if the 2 metal mounting faces are of dissimilar metals to prevent galvanic corrosion.
Mounting bracket (Short and Long Mounts)
A suggested mounting bracket using Short or Long Mounts is shown in Fig 1. It is recommended that the WindObserver 65 mounting bracket be manufactured from
stainless steel 316, to prevent possible galvanic corrosion. It is also recommended that the supplied gasket be 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.
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Figure 1. Suggested mounting bracket and Earthing (grounding) arrangements
The example shows a long mount fitted to a cable gland unit, a similar Earthing/ mounting arrangement can be used with short mounts and connector based units.
A mounting kit (1390-10-164) is supplied with the WindObserver 65 to allow assembly of the mount to the base of the WindObserver.
Included in the supplied mounting kit is an O Ring Seal which must be fitted inside of the Base Mount.
Now fit the Base Mount to the WindObserver base using supplied 3 off M5x12 screws, first fit a wavy washer to them, then a flat washer, then the seal washer before screwing to the WindObserver Base mount.
Fit the Base Mount to the WindObserver
base using supplied 3 off M5x12 screws, first fit a wavy washer to them, then a flat washer, then the seal washer before screwing to the WindObserver Base mount
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The WindObserver base has three
M5 tapped holes, 8mm deep.
Pipe Mounting (use with Pipe Mount)
The Pipe Mount base for the WindObserver 65 has the following dimensions.
Included in the supplied mounting kit is an O Ring Seal which must be fitted inside of the Pipe Mount Base.
The mounting pole dimension should be 50mm (1.97”) diameter.
Three M5 x 12 hex screws are provided to secure the Pipe Mount to the WindObserver base.
Three M5 x 12 hex screws to secure the Pipe Mount to the pipe through M5 tapped holes in the Pipe Mount.
If a screw threaded pole is used it should be a 1.5 inch National Pipe Thread (NPT) type. It is recommended that the WindObserver mounting pole be manufactured from Stainless
Steel 316, to prevent possible galvanic corrosion.
Custom Mount (Use with WindObserver No Mount Option)
Although it is recommended that customers select a base mount option from Gill Instruments, should a customer wish to design their own mount then the WindObserver base dimension details for this are as follows:-
North Alignment Dot
OD
56.60mm
4.50mm
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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 red dot alignment indicator on the base of the instrument. See Figure 2a.
If the unit is used in a tunnel, (and the Tunnel format is used), the unit would normally be aligned with the N – S axis in the horizontal plane.
Figure 2a North Marker (Long Base Mount shown for illustrative purposes).
Pipe Mount units do not require the gasket and mounting ring.
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Figure 2b WindObserver 65 outline dimensions
Short Base Mount Unit Dimensions Long Base Mount Unit Dimensions
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Pipe Mount Unit Dimensions
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7. MESSAGE FORMATS & OPTIONS
On first applying power to the WindObserver 65, it will be in ‘Measurement Mode’, and it will output wind measurement information within 3 seconds in one of the formats 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 formats (NMEA and Tunnel).
7.2. Output formats
The UV and Polar wind speed parameters are output in either ASCII or binary. These parameters can be transmitted continuously or polled from the user.
Polar is also available in continuous NMEA format.
Output Formats Table
Output format
Output (see Notes below)
Configuration co
de
ASCII UV
Continuous
M1
Polled
M3
ASCII Polar
Continuous
M2
Polled
M4
ASCII Tunnel
Continuous
M12
ASCII Tunnel
Polled
M13
NMEA
Continuous
M5
Binary Tunnel
Continuous
M6
Binary UV short
Continuous
M7
Binary Polar
Continuous
M8
ASCII Polar
Continuous Averaged
M15
ASCII Polar
Polled Average
M14
Notes:-
1. Continuous Output: In this mode the unit continuously outputs a burst of RS422 level
data (the frequency determined by the output rate setting). After the burst of data and until the next data burst the data lines revert to a high impedance state.
2. Polled Output: In this mode the data lines are in a high impedance state until the unit is
polled for data. Upon receipt of a poll command the unit outputs a burst of data at RS485 levels and then reverts to a high impedance state until the next poll command receipt.
Low wind speeds
Whilst the wind speed is below 0.05 metres/sec, the wind direction will not be calculated, and the last known good direction figure is shown. All other output parameters will continue to update at the output rate.
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7.3. Networking
Gill Proprietary Network Each anemometer connected to the network MUST be given a unique Unit Identifier
(Letters A to Z), and set to a polled tri-state mode (UV or Polar) (M3, M4 or M13). In these modes the communications transmit line is tri-state unless the anemometer is responding to a command. If used in a multi drop system then it is recommended that Unit Identifiers A, B, C, D, E, F, K, M, N and P are not used.
Configuring WindObserver 65 for Half Duplex Operation.
1) Set up Two Terminals: One for RS485 Half Duplex and the other for RS422 Full
Duplex.
SWITCH WObsII
RS485 I/F
(USB)
RS422 I/F
(USB)
HYPER-TERMINAL
A (Half-D)
HYPER-TERMINAL
B (Full-D)
b (4-wire)
a (2-wire)
One PC (with two USB ports) can be used for both Terminals, although two may be less confusing.
Note: Power must not be disconnected from the anemometer throughout this procedure.
2) Assuming the unit is set for Full Duplex, connect 9-way at [b] disconnect 9-way at
[a]. Set Switch to position [b] (4 wire).
3) On Terminal B, enter CONFIGURATION MODE. Set Half Duplex (E2). The
CONFIRM> prompt will appear.
4) Disconnect 9-way [b] and connect 9-way [a]. Set Switch to position [a] (2 wire).
5) On Terminal A, type “E” <ENTER> to confirm.
6) The unit should now be configured in Half Duplex mode.
Configuring WindObserver 65 for Full Duplex Operation.
1) Assuming the unit is set for Half Duplex, disconnect 9-way [b] and connect 9-way
[a]. Set Switch to position [a] (2 wire).
2) On Terminal A, type “E1” to select Full Duplex. The CONFIRM> prompt will
appear.
3) Disconnect 9-way [a] and connect 9-way [b]. Set Switch to position [b] (4 wire).
4) On Terminal B type “E” <ENTER> to confirm.
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7.4. 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 p
er minute
fpm
7.5. Output rate
The output frequency can be set between 1 and 10 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.
7.6. Averaging (Digital Data)
There are two digital averaging options:-
7.6.1 G Command Averaging.
Using the G Command in association with modes other than M14, M15 and polled modes.
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.
If G is set to zero then averaging settings will be disabled.
For instance if the unit is set for G0025 then every 25 seconds there will be a single result output that provides the average of the wind direction and magnitude data over the last 25 seconds.
A,219,000.78,M,60, 0D A,202,000.79,M,60, 06 A,207,001.22,M,60, 0C A,220,000.48,M,60, 04
Outputs per Second
Sample Average
1 39 2 19 4 9 5 7 8 4
10 3
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7.6.2 Modes 14 and 15 Road Weather Averaging (RWA).
The averaging is implemented with reference to the following standard:
Guide to Meteorological Instruments and Methods of Observation – World
Meterological Organization WMO-No8 seventh edition 2008 ISBN 978-92-63-
10008-S The direction and magnitude outputs are derived from the vector sum of U and V over the RWALONG averaging period (default 10 minutes in P1).
The gust output is derived from the vector sum of U and V over 3 readings (3 seconds in P1), and the max gust is the maximum of the gust value over the RWASHORT period (default 60 seconds in P1). The max gust value is reset to zero at the end of each RWASHORT period.
RWA Default settings are:- P (Output rate Hz) = 1 RWASHORT = 60 RWALONG = 10
Therefore: Anemometer output period = 60/1 = 60 seconds (the WindObserver will output a
reading every 60 seconds). Averaged direction and magnitude reading = 10 x 60 = 600 seconds (this is the time
the readings will be averaged over). When the average building period has been completed, the average reported thereafter will
be a rolling average derived from the last averaged direction and magnitude time period.
Mode 15 – Averaging Data in Continuous mode. Averaged Digital Data Output comprises of.
<Start of String>, Node, Mode, Averaged Direction, Averaged Magnitude, units, Maximum Gust Direction, Maximum Gust Magnitude, Status, <End of String>, checksum.
e.g.
(status code 51 shows measurement average building, non-heat enabled units only).
(status code 00 code shows measurement average building period complete and normal operation, non-heat enabled units only).
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Principle set up commands associated with this averaging mode are:-
Px:- Measurement Rate, (P1) this command sets the underlying measurement rate
1Hz.
RWASHORT xx: - Short Term Number, where xx is a number from 10 to 60.
RWALONG xx: - Long Term Number, where xx is a number from 1 to 10.
The Averaged Data Output period in seconds is:­ RWASHORT Number
Measurement Rate (P Setting Hz value)
Therefore with the RWASHORT number set for 60 (default) and P command set for 1Hz (P1 default) the unit will output a rolling averaged reading every 60 seconds.
The Averaged Direction and Magnitude reading is based on:­ RWALONG Number * Averaged Data Output period.
Therefore if the RWALONG number is 10 (default) and Averaged Data Output Period is 60 seconds, then the rolling averaged Direction and Magnitude data is calculated over rolling 600 readings.
The Maximum Gust Direction is the direction of the maximum gust measured over the short term output period. Gust is generated from a rolling 3s average of the short term output period, and reset at the end of short term output period.
The maximum Gust Magnitude is the magnitude of the maximum gust measured over the short term output period. Gust is generated from a rolling 3s average of the short term output period, and reset at the end of short term output period.
Notes:­Non Heat Enabled Units - Whenever the unit is powered up then until the unit has reached
its minimum long term averaging interval the status code will read 51 (Measurement Average Building).
Heat Enabled Units - On units where heat is enabled Code 51 will not be output during the measurement average building period, therefore allow for this period on power up before taking readings to be fully averaged (maximum period of 10 minutes).
The G Command setting has no effect on Mode 14 and Mode 15 Settings.
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Mode 14 – Averaging Polled Mode See Mode 15 for data output format and command explanations.
For ease of use before changing to this Mode set all other WindObserver parameters first including:-
Px:- Measurement Rate, (P1) this command sets the underlying measurement rate of 1Hz.
RWASHORT xx: - Short Term Number, where xx is a number from 10 to 60.
RWALONG xx: - Long Term Number, where xx is a number from 1 to 10.
Once set for Mode 14, to Poll for averaged data use the ? command followed by the unit designator A (default setting, ensure capitol letter used).
The polled mode commands available in this mode are:
Description Command WindObserver response
Enable Polled Mode ? (None) WindObserver Unit Identifier (N) A…….Z Output generated Disable Polled mode ! (None) Request WindObserver Unit
Identifier
& A ….. Z (as configured)
Enter Configuration mode *<N> CONFIGURATION MODE
Where <N> is the unit identifier, if used in a multi-drop system then it is recommended that ID’s A to F and KMNP are not used as these characters can be present in the data string.
It is suggested that in polled mode the following sequence is used for every poll for information.
? Ensures that the Sensor is enabled to cover the event that a power down has
occurred.
A-Z Appropriate unit designator (capitol letter) sent to retrieve a line of data.
! Sent to disable poll mode and reduce possibility of erroneous poll generation.
When polled with the default Mode 14 factory setting the WindObserver (set for default 1Hz output) will output the last valid 10 minute wind speed and direction average, updated every minute along with last valid 1 minute Gust magnitude.
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Notes Non Heat Enabled Units. If the unit is powered up and polled before the unit has reached its minimum averaging
interval the status code will read 51 (Measurement Average Building, non heat enabled units only).
Heat Enabled Units. On units where heat is enabled Code 51 will not be output if polled during the
measurement average building period, therefore allow for this period on power up before taking readings to be fully averaged (maximum period of 10 minutes).
7.7. Options
Speed of Sound (SOS) and Temperature
Either or both of these parameters can be selected or disabled Note that neither of these parameters is available in Tunnel or NMEA formats. SOS is useful for calculating air temperature with a rapid response. Sonic temperature is
derived from the SOS, based on an assumption of the composition of the atmosphere. Humidity will affect the result.
True temperature can be calculated by:
T = Ts
1+0.32 e/p Where T = True temperature (Kelvin) Ts = Sonic temperature e = Vapour pressure of water in air p = absolute pressure of water in air
Heating (If fitted)
Heating is autonomous and requires no set-up once activated.
45 Offset
If required, the U axis can be offset +45 to the transducer axis.
Vertical Output Padding
A dummy W vector is inserted to provide compatibility with any WindMaster that may be in a network.
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7.8. ASCII message format (UV, Polar and Tunnel)
ASCII UV format
U axis wind speed V axis wind speed Units
<STX>A,+000.04,-000.02,M,+345.01,+022.36,00,<ETX>25
Start of
string
Unit
identification
Speed of
sound
Temperature
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)
Speed of sound
In metres per second (if enabled)
Temperature
Sonic temperature in degrees C (if enabled)
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 ASCII hex.
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ASCII Polar format
Units
Wind direction
Wind speed
<STX>A,121,000.08,M,+344.66,+021.76,00,<ETX>06
Start of
string
Unit
identification
Speed of
sound
Temperature
Status
End of
string
Check
sum
Where
Wind direction
I
n degrees relative to N (DDD)
Wind speed
In increments of 0.01 units (MMM.MM)
All other parameters
See Section 7
.8
ASCII UV format
ASCII Polled (UV and Polar)
When in the Polled mode, an output is only generated when the host system sends a Poll signal to the WindObserver consisting of the WindObserver Unit Identifier – that is, the relevant letter A – Z.
The output formats are otherwise as described above. The commands available in this mode are:
Description Command WindObserver response
WindObserver Unit Identifier A ….. Z Wind speed output generated Enable Polled mode ? (None) Disable Polled mode ! (None) Request WindObserver Unit
Identifier
& A ….. Z (as configured)
Enter Configuration mode *<N> CONFIGURATION MODE
Where <N> is the unit identifier, if used in a multi-drop system then it is recommended that ID’s A to F and KMNP are not used as these characters can be present in the data string.
It is suggested that in polled mode the following sequence is used for every poll for information.
? Ensures that the Sensor is enabled to cover the event that a power down has occurred.
A-Z Appropriate unit designator sent to retrieve a line of data. ! Sent to disable poll mode and reduce possibility of erroneous poll generation. When in polled mode the system will respond to the data command within 30mS with the
last valid data sample as calculated by the Output rate (P Mode Setting). If the unit is powered down after use or upon switch on then allow 3 seconds from switch
on before sending poll commands.
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ASCII format – Tunnel Mode
In this mode, the output is given as signed (i.e. positive or negative) speeds along the ‘U’ (= South – North) axis and direction as a 1 or 0.
Where: <STX> = Start of string character (ASCII value 2) WindObserver node address = Unit identifier U axis = U axis Wind Speed U axis = U axis Wind Direction Polarity
where 0 ( –U vector) is a wind from the North direction or 1 (+U vector) is a wind from the South
direction.
All other parameters
See Section
7
.8
ASCII UV format
STX> A, 001.59, 1, 00, M, <ETX> 2D
WindSonic
node
address
U axis
speed
U axis
polarity
Status
Units
Check
sum
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7.9. Binary message format (UV, Polar and Tunnel)
Binary UV format
U axis wind speed
V axis wind speed
Units
0x81 0x81 000.04 -000.02 +345.01 +022.36 00 1
Start of string
Speed of sound
Temperature
Status
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
1 Metres per second (m/s) 2 Knots (knots) 3 Miles per hour (MPH) 4 Kilometres per hour (kph) 5 Feet per minute (fpm)
Start of string Speed of sound
In metres per second (if enabled)
Temperature
Sonic temperature in degrees C (two’s complement signed) (if enabled)
Status Value Status
0 OK 60 Heating enabled and OK Any other value Warning or fault condition
- see Section 10.5
Binary Polar format
Wind speed Wind direction Units
0x81 0x81 006.04 265 +345.01 +022. 36 00 1
Start of string
Speed of sound
Temperature
Status
Where
Wind direction
In degrees relative to N (DDD)
Wind speed
In increments of 0.01 units (MMM.MM)
All other parameters See Section 7.9
Binary UV format
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Binary Tunnel format
U axis wind speed
Direction
Units
0x81 0x81 +000.04 1 00 1
Start of string
Status
U axis Wind speed
In increments of 0.01 units (MMM.MM)
Direction
(along U axis)
Value Polarity
1 +U 0 -U
Other parameters See Section 7.9
Binary UV format
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7.10. NMEA Format
Instrument
Identifier
Wind direction
Wind speed
Units
Checksum Delimiter
$ IIMWV, 120, R, 002.10, M, A* CC
Start of string
Instrument
type
Wind
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
Accepta
ble measurement
V
Void measurement
Check sum
Exclusive OR of all characters between ‘$’ and ‘*’ reported as ASCII hex.
A typical WindObserver 65 configuration suitable for NMEA would be:
B2, E1, F1, G0, K1, L1, M5, O1, P1, U1.
Consult specification NMEA 0183 version 3 (available on the web) www.nmea.org for complete interface details.
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7.11. Averaging Format (Modes 14 and 15)
See also Para 7.6.2.
<STX>A,M15,270,002.02,M,253,002.83,00,<ETX>4D
Start of string
ASCII value 2
Unit identification
Letter A
– Z (
default A)
Mode
M14
Polled Averaging
M15
Continuous Output Averaging
Wind Direction
In degrees relative to North (DDD) settable average of direction in degrees.
Wind Speed
In increments of 0.01 units (MMM.MM), settable average of speed in m/s.
Units
M Metres per Second
N Knots
P Miles per Hour
K Kilometres per Hour
F Feet per Minute
Max Direction Gust
In degrees relative to North (DDD)
Max Gust Speed
In increments of 0.01 units (MMM.MM)
Status
Value
Status
00 OK 60 Heating enabled and OK if enabled
51
Means that the averaging is incomplete (non­heat enabled units only).
Any other value
Warning or fault condition
- see Section 10.5
End of string
ASCII valu
e 3
Check sum
Exclusive OR of all characters between Start of String and End of String reported as ASCII hex.
Start of String
Unit
Identification
End of String
Max Gust Direction
Status
Wind Speed
Wind Direction
Check Sum
Max Gust Speed
Units
Mode
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7.12. Analogue outputs and options
Analogue outputs are available as an option on the WindObserver 65.
See Section 6.5 for connection details, and Section 8.5 for configuring the
analogue outputs.
Output modes
There are three analogue output channels which can be configured as either voltage (0 to 5v, or 2.5v), or current outputs (4 to 20mA). They are available simultaneously with the
digital outputs.
Channel outputs
The signals on the Channel outputs 1 and 2 are dependent on the Output format chosen. The signal on Channel 3 can be configured for either Status or Temperature.
Output format
Channel 1
Channel 2
Channel 3
UV (M1, M3, or M7 (Binary))
U V
Status or Temperature
Polar
(M2, M4, or M8 (Binary))
Magnitude
Direction
NMEA (M5)
Magnitude
Direction
Binary Tunnel (M6)
U Speed
U direction
Tunnel (M12)
U Speed
U Direction
Tunnel (M13)
U Speed
U Direction
Polar (M14, M15)
Magnitude
Direc
tion Status
Status
If channel 3 is configured for Status, the output will be 0v (or 4mA) if the unit is in an OK condition. In a fault condition, error code 01, 02, or 04, the output will be +5v (or 0mA).
See Section 10.5 for the list of Error Codes.
Temperature
If channel 3 is configured for Temperature, it reports the temperature if it is between –40 and +70C, scaled from +0.7V to +5V (6.25mA to 20mA). Temperatures outside this
range are reported as errors by setting the output to 0V (4mA).
Tunnel mode
In Tunnel mode, Channel 1 represents the Wind Speed along the U Axis, Channel 2 gives the direction of the wind along the U axis, where a –U vector (=wind from the ‘N’ direction) is represented by 0v (or 4mA), and a +U vector (=wind from the ‘S’ direction) by 5v (or 20mA).
Scaling
All analogue outputs are in m/s irrespective of the digital units of measurement setting and can be scaled to have a full-scale deflection of 10 to 70 units using the Z command.
In Polar mode the sign should be ignored. Only the + sign is effective. In all cases zero Wind Speed is represented by 0V or 4mA.
Averaging
Analogue Outputs are not averaged when using the G command. Analogue Outputs are averaged in Modes M14 and M15 (but no Gust Output).
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Polar mode direction wraparound
The Wind Direction in Polar mode can be configured for either Standard (0 - 359) or Wraparound (0 - 539) options. If the Standard mode is used with a chart recorder, large swings of the recorder pen will be experienced each time the wind direction passes between 0 and 359. Using the Wraparound mode, when the wind first changes from 0 to 359, there will be a step change on the output, but after this first time the output will change smoothly each time the wind passes through 360. (Similarly, the first time the wind veers from 539 to 180, there will be a step change, after which the output will change smoothly).
Wind direction (degrees)
Voltage output (V) Current output (mA)
Standard Wraparound Standard Wraparound
0 0 0 4.00 4.00 180 2.5 1.67
12.00
9.33 360 5.0 3.33 20.00
14.67
540 N/a 5.0 N/a 20.00
Low wind speeds
Whilst the wind speed is below 0.05 metres/sec, the wind direction will not be calculated, all other output parameters will continue to update at the output rate.
The following Table shows Channel 1, 2 and 3 outputs with Polar Continuous, 4-20mA current outputs under various operating conditions. Status channel 3 output also shows conditions when 0-5v or ±2.5v outputs are used.
Condition
Channel 1
(Wind Speed)
Channel 2
(Wind Direction)
Channel 3
(4-20mA
Status)
Channel 3
(0-5v
Status)
Channel 3
(±2.5v
Status)
Wind Speed,
Greater Than
0.05m/s
Variable 4 to
20mA (value depends on Output scaling)
Variable 4 to 20mA
(Value depends on Output scaling)
4mA
(Unit functioning correctly)
0v
(Unit functioning correctly)
-
2.5v
(Unit
functioning
correctly)
Wind Speed,
Less Than
0.05m/s
Variable close
to 4mA.
Outputs last known
good/valid current reading until wind increases above
0.05m/s.
4mA
(Unit functioning correctly)
0v
(Unit functioning correctly)
-
2.5v
(Unit functioning correctly)
Any Wind
Speed with Failure Codes Output 01, 02, 04 etc.
Fixed 4mA
until fault clears.
Outputs last known
good/valid current reading until fault clears.
0mA
(Failure code present)
5v
(Failure code present)
+2.5v
(Failure code present)
Cables.
If using 4-20mA outputs then cable length is limited to the resistance of the connecting cable (to and from the load) plus the load resistance which all together must be less than 300 ohms.
If using 0-5v output then consider volt drops on the cable that might impact on 0v and 5v readings. A 4-20mA system will be more noise immune and capable of longer cable runs.
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8. CONFIGURING
The WindObserver 65 can be configured using Terminal emulator software such as HyperTerminal.
Alternatively it is possible to use Gill Wind Software as a Terminal program only (Wizard and Sync Comms not applicable). Wind will run on PC’s up to and including Windows 10 and can be downloaded from:-http://www.gillinstruments.com/main/software.html.
8.1. Configuring using HyperTerminal
Note – Other terminal emulators are configured in a very similar way.
1. Decide on an available Com port that you want to use (Usually Com1).
2. Run Hypertrm.exe (Typically accessed via Start All Programs Accessories
CommunicationsHyperterminal).
3. Create a New Connection (File New Connection)
4. Enter a Name (eg WindObserver 65) .
5. Change ‘Connect Using’ to ‘Direct to Com 1’ (or other Com port as required)
6. Adjust the Port settings to match WindObserver settings. WindObserver default
settings are :
Bits per second 9600 Data bits 8 Parity None Stop bits 1 Flow Control (Handshaking) None
Click on OK and data similar to the following example will scroll on screen at the output rate:
A, 229, 002.74, M, 00, ♥ 06
8.2. Entering Configuration mode
From Continuous mode
From Polled mode
Type *
Type *N - where N is the Unit Identifier.
Note - the Unit Identifier must be entered as upper-case
The WindObserver 65 responds with a CONFIGURATION MODE message, stops reporting wind measurements, and waits for a command (as detailed below).
8.3. Returning to Measurement mode
Type Q and press ENTER
If in Continuous mode, the anemometer responds with wind measurements immediately, continuing at the selected Sampling rate.
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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
& 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. If used in a multi drop system then it is recommended that Unit Identifiers A, B, C, D, E,
F, K, M, N and P are not used.
8.4. 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 the alterable settings. We suggest you note down your settings, so that you can easily return to them.
Type * Enters Configuration Mode (from Continuous mode)
Or Type *N Enters Configuration Mode (from Polled mode)
Type D3 and press ENTER The WindObserver 65 responds with the current configuration settings.
The factory default settings for a heated unit are: - A0 B3 C1 E1 F1 G0000 H2 J1 K1 L1 M2 NA O1 P1 T1 U1 V1 X1 Y1 Z1 Or factory default settings for an unheated Unit are:­ A0 B3 C1 E1 F1 G0000 J1 K1 L1 M2 NA O1 P1 T1 U1 V1 X1 Y1 Z1
To return to Measurement mode Type Q and press ENTER
How to change these settings is explained in the following sections.
8.5. 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 65.
For example, to change the message format to NMEA, Type M5 and press ENTER . The WindObserver 65 will reply with M5. When the unit is returned to the Measurement mode Type Q and press ENTER, it will be in NMEA format.
Note: The factory-set (default) settings are shown in bold in the following sections.
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8.6. Configuration Settings
Ax - Speed of Sound (SOS) and Temperature
Setting
Configuration code
Disable both
A0
Report SOS
A1
Report Sonic temperature
A2
Report SOS and Sonic temperature
A3
Note that neither of these parameters is available in Tunnel or NMEA formats.
Bx - Baud Rate
Setting
Configuration code
2400
B1
4800
B2
9600
B3
19200
B4
38400
B5
1200
B6
To change the Baud rate when using HyperTerminal: ­Eg. If set to B3 (9600 baud) and it is required to set to Baud rate to B2 (4800 baud). Type * to enter Configuration Mode. Type B 2 and press ENTER, (Do not type any further commands at this stage). Close the 9600 Baud HyperTerminal connection. Open HyperTerminal and set the new connection Baud Rate to 4800 baud. Type B and press ENTER, the letter B will be shown followed by B2
Type Q and press ENTER, data will scroll at the new baud rate.
Cx- Analogue Output Polar Mode Direction Wraparound
Setting
Configuration code
Wraparound (0 - 539)
C1
Standard (0-360)
C2
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Dx- Diagnostic and Configuration Command (see also Section 10.6)
Each of these commands causes a response from the WindObserver 65.
Item
Command
code
Typical response
Type and serial No.
D1
*
12400001 (where * = E (Unheated unit), F = (Heated
unit)
Softwa
re version
D2
6.01
Unit configuration
D3
Current configuration:
A0 B3 C1 E1 F1 G0000 H2 J1 K1 L1 M2 NA O1 P1 T1 U1 V1 X1 Y1 Z1
Analogue ID (if present)
D4
Analogue Active (if fitted) or No analogue fitted.
Anemometer power supply voltage
D5
+29.8
Inte
grity check
D6
See Para 10.6 Bench Tests
Ex - Full Duplex/Half Duplex Mode
Setting
Configuration code
Full duplex
E1
Half duplex
E2
Note: - Refer also to Para 8.3 Networking Configuration details.
Fx- Data and Parity Options
Setting
Configuration co
de 8 bits, no parity, 1 stop bit
F1
8 bits, even parity, 1 stop bit
F2
8 bits, odd parity, 1 stop bit
F3
Note: If changing to F2, using a terminal program then when in configuration mode Type F2 and press Enter, close the terminal program and open a new one with F2 Even parity settings, then type F and press Enter.
Gx to Gxxxx - Averaging (Digital Outputs only)
Setting
Configuration code
Averaging (Default)
G0000
Enter the required averaging period in seconds as a four-figure number between 0000 and
3600.
Hx - Heating (If fitted)
Heating is autonomous and requires no set-up once activated.
Setting
Configuration code
Disabled
H1
Activated
H2
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Jx - Analogue Power-up Tests
Setting
Configuration code
Disable analogue power
-
up tests on switch on
J0
En
able single analogue power
-
up test on Switch on
J1
Enable continual cycling of analogue power
-
up tests
J2
Disable continual cycling of analogue power
-
up tests
J3
Analogue Power up tests cycle: ­Analogue Output Voltage connections between 0v, 1.25v, 2.5v, 3.75v and 5v. Analogue Output Current connections between 0mA, 5mA, 10mA, 15mA and 20mA
Kx – NMEA Settings
Setting
Configuration code
NMEA string “IIMWV”
K1
NMEA string “WIMWV”
K2
Lx - ASCII Message Terminator
Setting
Configuration code
CR LF
L1
LF
L2
Mx to Mxx - Message Format
Output format
Configuration code
ASCII UV Continuous
M1
ASCII Polar Continuous
M2
ASCII UV Polled (tri
-
state) *
M3
ASCII Polar Polled (tri
-
state) *
M4
NMEA Continuous
M5
Binary Tunnel Continuous
M6
Binary UV Conti
nuous
M7
Binary Polar Continuous
M8
ASCII Tunnel Continuous
M12
ASCII Tunnel Polled (tri
-
state) *
M13
ASCII Polar Polled Averaged
M14
ASCII Polar Continuous Averaged
M15
* If units are to be networked, they MUST be given unique Unit Identifiers
Nx - Node Address
Item Options Command
Node Address
A… -(A to Z)
N<A>
If used in a multi-drop system then it is recommended that ID’s A to F and K, M, N and P are not used, as these characters can be present in the data string.
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Ox – ASCII Output Format (Output String Padding)
Setting
Configuration code
Comma Separated Variable (CSV)
O1
Fixed Field
O2
Example data strings:-
POLAR
NMEA
CSV
data changing to error status code
condition.
CSV
data changing to error status code
condition.
A,235,000.77,M,00
,0A
$IIMWV,191,R,000.55,M,A*19
A,,,M,04,
24 $IIMWV,,R,,M,V*29
Fixed Field
data changing to error status
code condition.
Fixed Field
data changing to error status
code condition.
A,266,000.73,M,00,
08 $IIMWV,191,R,000.55,M,A*19
A,999,999.99,M,04,
0A $IIMWV,999,R,999.99,M,V*07
Px - Output Rate
Outputs per second
1
2 4 5 8 10
Configuration code
P1
P3 P2 P4 P5 P6
Q- Measurement Mode
See Section 8.3.
RWASHORT XX (Short term number) Where XX = 10 to 60, associated with Mode 14 and Mode 15 averaging.
RWALONG XX (Long term number) Where XX = 1 to 10, associated with Mode 14 and Mode 15 averaging.
Tx - Analogue Output Voltage or Current settings (if fitted)
Setting
Configuration code
Voltage (0 to 5V)
T1
Voltage (
2.5V to +2.5V)
T2
Current (4
-
20mA
)
T3
Ux – Digital Output Units
Units
metres/sec
(m/s)
knots
(knots)
miles / hour
(MPH)
kilometre/hour
(kph)
feet / minute
(fpm)
Configuration
code
U1
U2 U3 U4 U5
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Vx- Vertical Output Padding
Setting
Configuration code
Disable vertical output padding
V1
Enable vertical output padding
V2
Xx - 45 Alignment Offset/Inverted Operation
Setting
Configuration
code
Notes
Align U axis with transducer 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˚ to transducer axis.
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 polar alignment at 45 degrees from North when instrument is mounted upside down.
Does NOT affect UV alignment (Mode 1, 3).
Figure 4 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
+U
+V -V
E
N S W
Figure 4 UV Polarity
Yx – Analogue Output, Channel 3 (if fitted).
Setting
Configuration code
Status
Y1
Temperature
Y2
Zx – Analogue Output Scaling (if analogue outputs fitted).
Setting
10
20
30
40
50
60
70
Configuration code
Z1
Z2 Z3 Z4 Z5 Z6 Z7
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9. VIEW AND LOG DATA WITH WINDVIEW SOFTWARE
9.1. Introduction
Gill WindView Software is supplied on the CD with the WindObserver. Alternatively it can be downloaded from http://gillinstruments.com/main/software.html Gill Wind View will run on PC’s with Windows XP onwards operating systems.
9.2. Connect to an Instrument using Gill WindView Software
Open WindView Software.
Select File/Connect.
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The default connection name is Anemometer 1, it can be re-named if required. Select the Output Format to match the Sensor format i.e. the WindObserver default format
is Gill Polar (2 axis). If the WindObserver were set for UV or NMEA output then choose the appropriate format
setting from the drop down menu.
From the Port drop down menu select the PC COM Port to which the WindObserver is connected to e.g. COM 9.
Select the Baud rate setting from the drop down menu to match that of the Windobserver, the WindObserver default baud rate is 9600 baud.
Leave Parity setting at None. Click on Connect.
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The Data button screen will show the WindObserver data scrolling on screen updated at the WindObserver Output rate.
9.3. WindSock Function
Click on the WindSock button to give a Direction display and digital readout of Direction and Wind Speed:­On screen Maximum and Minimum readings of Wind speed and Directions are also displayed digitally and can be reset using the Reset Max/Min button.
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9.4. Logging Data.
To Log WindObserver data, from the WindView top menu select Settings/Logging. If Segmented log files are required tick the Enable box and select the length of each log file. Tick the Record Formatting box options for Appending PC Time and Date Stamp and sequential line numbering as required. Date and Time are taken from the PC clock. The Log Description box allows a free text file header to be added to the log file. Save the Log file to the required Directory.
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Click on Apply gives the following screen, click on OK:-
To Start Logging. From the top menu select Log. Click on Log/Start to commence logging.
To Stop Logging. From the top menu select Log. Click on Log/Stop to stop logging.
The logged data is saved to a PC text file that can be opened with Notepad or equivalent and the following example illustrates the saved time/date stamped WindObserver data. Note: The Data and time information are taken from the PC Clock.
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The logged Wind Data .txt file can be imported into Microsoft Excel if it is required to manipulate the data or graph plot the data.
10. MAINTENANCE & FAULT-FINDING
10.1. Cleaning and Handling
When installing the unit handle with lint free gloves and degrease the unit to reduce the build-up of deposits.
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.
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Do NOT remove black “rubber” transducer caps.
10.2. 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:
All cables and connectors are checked for continuity, bad contacts, corrosion etc. A bench test is carried out as described in Section 10.6. Contact your supplier for advice if failure persists.
10.3. Fault-finding
10.4. Safe Mode
If a unit is received that will not communicate or the configuration settings are not known then Safe Mode can be used to establish communication with the WindObserver 65 and change configuration settings.
Initial Set Up.
The WindObserver 65 RS422 Pair 1 and Pair 2 TX and RX output connections (4 wires) are connected to a PC via an RS422 to RS232/USB Converter.
Open a Terminal program e.g. Windows HyperTerminal (or use Gill Wind Software as a Terminal program).
Symptom
Solution
No output
Check DC power to WindObserver 65, cable and connections.
Check comms settings of WindObserver 65 (as detailed in Section 8) and host system match, including correct 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 +.
Corrupted output
Check comms settings of WindObserver 65 and host system match.
Try a slower baud rate. Check cable lengths and type of cable.
One way communication
Check wiring is in accordance with the manual.
Failed / Incorrect WindObserver 65 output, data invalid flag
Check tha
t transducer path is not blocked.
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Select the required COM port.
Set the Baud rate to 19200 baud (if using the Wind Terminal program it opens at 19200 baud).
To Place the unit into Safe Mode.
Turn off the WindObserver 65.
Ensure the Terminal program is set for 19200 baud,
Hold down the PC keyboard * key and turn on the WindObserver 65 Power Supply.
The words SAFE MODE should appear on the terminal screen.
If not then power down the WindObserver 65, hold the * key and re-power sensor.
To now check the unit: -
Type D1 and press Enter, to see serial number.
Type D2 and Press Enter to see Firmware version.
Type D3 to see configuration settings,
Change settings if required.
Type Q and press Enter to go back into measurement mode.
If powering down the instrument and repowering and no change has been made to the baud rate (B command ) then open a new terminal program at the units original baud rate setting (the default setting would be 9600 Bauds).
10.5. Status (error) codes
The Status code is sent as part of each wind measurement message.
Note: Status Codes 60 to 65 are only applicable to a unit with the heating option.
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10.6. Bench Test
Data Tests
1. Couple the WindObserver 65 to the host system and power supply, using a known
working test cable.
2. Check that the unit is correctly configured by going into Configuration mode and
using D3 See Section 8.4 Checking the Configuration.
3. Check for normal output data, and that the Status Code is OK – 00, 60 or A (for
NMEA format).
4. If the status code is other than these, refer to Section 10.5 Status (error) codes.
5. Use an 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.
6. Note that this is 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.
Code
Status
Condition
00 OK
Sufficient samples in average period
60
OK and heating enabled
Sufficient samples in average period
A OK NMEA data Acceptable
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, data could be u
ncalibrated.
09
ROM error
ROM checksum failed, data could be uncalibrated.
51
Measurement average building.
Data valid but warns that average period not reached when averaging used (non-heat enabled units only).
62
Heating current tripped or electronic failure,
Valid data still output
63
Heater Thermistor open circuit
Valid data still output.
65
Heating element open circuit
Valid data still output, Heater Element or Heater PSU has dropped out/failed
V NMEA data Void
Invalid data output
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Use of an Integrity Check Chamber (Optional item)
The ICC 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 65 zero calibration.
The ICC has been designed to be used in an indoor still air environment with an ambient temperature between 17°C and 23°C. When conducting the test it is important that the ICC is assembled on to the WindObserver 65 head and not touched or moved during the test.
This test is only valid if undertaken with an ICC purchased from Gill. Note:- The Heater supply should be disconnected or turned off when using the ICC.
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 65. The ICC must be retained using the strips provided. Then:
1. Ensure that the WindObserver 65 is set in factory default mode. For Factory
default settings see section 8.4.
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.
Alignment Check
Ensure the ICC is assembled correctly on the WindObserver 65. Using HyperTerminal, enter Configuration Mode as described in Section 8.
Enter D6. A typical report as shown below will be displayed. D6 ALIGMENT LIMITS: U=2424,2524 V=2434,2434 ALIGNMENT U:2474 *PASS* ALIGNMENT V:2484 *PASS* D6 If ‘Refer to Manual’ is shown check test temperature conditions are 17 to 23 deg C and
tested under zero wind condition. If there has been no significant changes to The WindObserver 65 head configuration then
*PASS* will confirm correct operation. Alterations to the head geometry can result in a *FAIL* or ‘Insufficient Samples’
message. If this occurs please contact Gill Instruments.
10.7. Returning Units
If the unit 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.
Gill Instruments Ltd _____________________________________________________________________________________________________________
________________________________________________________________________________________________ WindObserver 65 Page 62 Issue 4
Doc. No. 1390-PS-0039 June 2016
11. APPENDICES
11.1. Glossary & Abbreviations
Item
Meaning
CAL
Calibration
CR
Carriage Return
CRLF
Carriage Return Line Feed
CSV
Comma Separated Variable
ENG
Engineering
ESC
ESCape key on keyboard used to stop any process that is being executed
ETX
End of string character
FAC
Factory
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 Marine Electronics Association standard for interfacing marine electronic navigational devices
No: 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
Gill Instruments Ltd _____________________________________________________________________________________________________________
________________________________________________________________________________________________ WindObserver 65 Page 63 Issue 4
Doc. No. 1390-PS-0039 June 2016
Item
Meaning
RS422
Communications
standard
RS485
Communications standard
RTS
Request To Send
RWA
Road Weather Averaging
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
Pos
itive -VE
Negative
WindCom
Gill software used to configure
WindObserver 65
WRT
With Respect To
11.2. Guarantee
For terms of guarantee contact your supplier. Warranty is void if the green security seal covering base nuts is damaged or broken, or the
transducer caps have been damaged.
Gill Instruments Ltd _____________________________________________________________________________________________________________
________________________________________________________________________________________________ WindObserver 65 Page 64 Issue 4
Doc. No. 1390-PS-0039 June 2016
11.3. Principle of operation
The WindObserver 65 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.
Gill Instruments Ltd _____________________________________________________________________________________________________________
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Doc. No. 1390-PS-0039 June 2016
11.4. Electrical Conformity
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