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

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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

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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 1°

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

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

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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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 (+)

Pair 1

Black

RS422 TXA (

-) U

Pair 2

White

RS422 RXB (+)

Pair 2

Black

RS422 (RXA (

-) R

Pair 3

Red Supply V+

Pair 3

Black

Supply V

- M Pair 4

Blue

Digital 0v

Pair 4

Black

Not Used (Isolate)

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)

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)

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

- 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.

Gill Instruments Windobserver 65 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual