HD2003-HD2003.1 - Delta Ohm S.r.l.

HD2003-HD2003.1 - Delta Ohm S.r.l.

HD2003-HD2003.1

THREE-AXIS ULTRASONIC

ANEMOMETER

ENGLISH

© 2013 Delta Ohm Srl, All Rights Reserved

User Manual

REV. 3.0

February 2013

HD2003 - HD2003.1 Ultrasonic Anemometers Rev. 3.0 February 2013

1.

2.

3.

4.

INDEX

Introduction

1.1. Conventions

1.2. Models

1.2.1. Heaters Option

1.2.2. RS422 Option

1.3. Features

1.4. Operating Modes

1.5. Specifications

1.6. (HD2003 Model) Pressure - Temperature – Relative Humidity Sensors

2.1

2.2

Installation and Maintenance

Packaging

Mounting and Positioning

2.3

2.4

Alignment

Electrical Connections

2.4.1

2.4.2

Power Supply and Earthing

RS232 Serial Communication Mode

2.4.3

2.4.4

2.4.5

2.4.6

RS422 Serial Communication Mode

RS485 Multidrop Communication Mode

Analog Output Mode

Analog Output Extended Mode AoXnd

2.5

Maintenance

Programming

1.7. Introduction

1.8. RS232 and RS422 Serial Communication Mode

1.8.1. Parameter Setup

1.8.2. Measuring mode

1.8.2.1. RS232 Serial Mode Examples

1.8.3. Setup

1.8.3.1. Baud rate

1.8.3.2. Gain

1.8.3.3. Minimum Threshold

1.8.3.4. Average Interval

1.8.3.5. Analog Output Format

1.8.3.6. Output Quantities

1.8.3.7. Unit of Measurement

1.8.3.8. Sonic Transducer Heating

1.8.3.9. RS232, RS422, RS485 and AoXnd Communication Mode

1.8.3.10. Identicode

1.8.3.11. Output Rate and Digital-Analog High Frequency

1.8.4. Logging

1.9. RS485 Multidrop Communication Mode

1.9.1. Parameter Setup

1.9.2. HD2003 Communication Protocol

1.9.2.1. S Command (Setup)

1.9.2.2. M Command (Output Data)

1.9.2.3. H Command (Digital High Frequency enable )

L Command (Digital High Frequency disable )

1.10. Analog Output Mode

1.10.1. Analog Output Mode Examples

1.11. Analog Output Extended Mode (AoXnd)

1.11.1.

1.11.2.

1.11.3.

Setting ICP DAS I-7024® module

Setting HD2003

Analog Output Extended Mode Examples

How to Order

4.1 Order codes

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HD2003 - HD2003.1 Ultrasonic Anemometers Rev. 3.0 February 2013

1. INTRODUCTION

Ultrasonic Anemometers allow to detect surface wind speed and direction.

These instruments measure the transit time of the ultrasonic pulse between a pair of opposite sonic transducers, in both directions. From the measurement of tA and tR times, you can trace to the wind speed component in the direction of the two transducers, through the formula:

V = D/2 · (1/tA – 1/tR)

Where:

D = distance between two transducers. tA = forward transit time tR = backward transit time

This formula ensures that the wind speed does not depend on Pressure, Temperature and

Humidity.

Three couples of transducers allow to make a three-axis vector measurement of wind.

1.1 C

ONVENTIONS

D

EFINITIONS OF THE ANEMOMETRIC QUANTITIES MEASURED BY THE

HD2003

The wind

direction

azimuth

is established through the calculation of angles:

The azimuth is the angle that defines the position of the wind flow along the Horizontal Plane, with reference to the direction from which the wind itself is coming. The angle is calculated from 0° to 360° clockwise along the Horizontal Plane. The origin 0° is the direction of

Geographical North. The HD2003 built-in integrated compass measures the magnetic azimuth , with reference to Magnetic North.

elevation

This is the angle that defines the position of the wind flow along the Vertical Plane.

It varies from +/-60° along the Vertical Plane: positive inclinations are those over the

Horizontal Plane while the negative ones are those under it.

The

wind speed

is calculated in terms of intensity of components or resultants:

SoW, SUV and SoS

The intensity of wind speed is indicated by SoW, that of its component along the Horizontal

Plane U-V is indicated by SUV, while that of sound by SoS.

U-V-W

These are the three Cartesian components of wind speed.

If we draw a Cartesian plane with U and V along the Horizontal Plane, W will be the Vertical

Axis. The “V” direction coincides with Geographical North and, consequently, the “U” will coincide with East and the “W” with the vertical.

O

THER CONVENTIONS

F.S. and Zero

F.S. identifies the Full Scale of a quantity, while Zero identifies the Scale Minimum Value.

Factory Default

The Factory Default corresponds to the value of a factory set parameter, when first programming an instrument which comes out of the production department.

Internal Refresh

It represents the automatic frequency by which all the calculations are refreshed according to the set average intervals.

Symbols

The keys of an IBM compatible PC keyboard are identified with a white text on a black background, for example:

[Esc]

= Esc key,

[Enter]

= Enter key,

[A]

= A key

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One ASCII generic character, or several ASCII generic characters can be identified with the symbol: <name> , where name is any expression that gives the title to that character.

Example of peculiar characters:

<CR> = Carriage Return <LF> = Line Feed

Output Data

It is the digital string of all formatted measuring data available for RS232, RS422, AoXnd and

RS485 Serial communication interfaces.

1.2 M

ODELS

The code HD2003 mentioned in this manual refers to both models:

HD2003

HD2003.1

They represent the same kind of Anemometer, except for the fact that the HD2003 has the following built-in sensors: Pressure, Temperature, Relative Humidity, in order to measure these additional output quantities.

When necessary, the difference between the two models is unequivocally underlined.

1.2.1 H

EATERS

O

PTION

The HD2003 is guaranteed to function in temperatures as low as –20°C if ice or snow is absent, without any heating circuits for sonic transducers.

Temperature conditions below –20°C, or temperatures around 0°C when snowing or ice possibly forms on the transducers, prevent the HD2003 from functioning correctly, making the use of the heaters option essential.

The heating circuit intervenes at temperatures below +5°C, with a minimum additional power of 4W (with temperature no lower than –10°C), preventing the formation of ice, and ensuring that the HD2003 functions correctly even during sleet or snow.

The defrosting time depends on the quantity of snow that has deposited on the measurement volume which house the ultrasonic sensors.

The models equipped with the heaters option are named with the additional letter R:

HD2003R

HD2003.1R

1.2.2 RS422 O

PTION

The RS422 serial communication mode works with an internal circuit, which must be requested as an option when ordering and which provides a 4-wire full duplex communication.

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1.3 F

EATURES

The HD2003 main features are:

Determination of anemometric quantities with different units of measurement: wind speed and direction, U-V-W Cartesian components, sonic temperature and speed.

(HD2003 Model) Additional quantities measured:

Pressure, Temperature, Relative Humidity.

5 analog outputs in current or voltage, with different ranges.

Up to 12 extended analog outputs in current and voltage, at different measuring ranges.

4 digital communication interfaces: RS232 Serial, RS422, Multidrop RS485 and AoXnd.

Digital strings of output data at a configurable emission frequency.

Average intervals for all output quantities, configurable at 1÷60 sec or at 1÷60 min.

Processing and validity Algorithms for raw measurement signals to provide the measurement of the anemometric quantity with ±1% precision.

Operating mode at High Digital Frequency with serial data output at 50 Hz, or High Analog

Frequency with analog data output from 5Hz to 20Hz.

Self-diagnosis with checking and error reporting.

Reliability and precision for the whole measurement field, without any need for further calibrations.

Flexible and easy-to-use demonstration software which can be adapted to the customer’s requirements through a computer interface.

Setup user interface and software upgrade via RS232, RS422 or RS485.

Compass with magnetoresistive sensor for automatic alignment to the Magnetic North.

No moving parts, with reduced maintenance and servicing costs.

Robust construction, apt to operate continuously in severe climatic conditions.

Low power consumption.

(On request) Heaters Option: Sonic transducers integrated heating device, to prevent ice and snow formation, ensuring a correct functioning even when sleeting or snowing.

(On request) RS422 Option: 4-wire full duplex RS422 communication integrated circuit.

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1.4 O

PERATING

M

ODES

The HD2003 has five operating modes:

RS232 and RS422 Serial Communication Mode (Chap. 3.2)

A connection over a RS232 or RS422 Serial line is established between a Host Computer and only one HD2003 Anemometer. The Host Computer (Slave) is continuously receiving on its

RS232 serial port, Output Data digital strings, which are automatically supplied by HD2003

(Master), with its own frequency (configurable at a cadence from 1 to 3600s).

In this mode the Setup user interface can be managed from the computer.

RS485 Multidrop Communication Mode (Chap. 3.3)

A RS485 Multidrop network can be established between a Host Computer and several HD2003

Anemometers (up to 32). The Host Computer (Master) sends a command to the univocal address of a HD2003 (Slave). Only the Anemometer which is identified by that address answers on request, giving the Output Data. In this mode the command to activate the Setup user interface is available.

Digital High Frequency Mode (Chap. 3.2.3.11 and Chap. 3.3.2.3)

When on RS232 or RS422 Serial communication mode, the Digital High Frequency functioning can be set up, by obtaining Output Data of the quantities in RS232 or RS422, at a fixed frequency of 50 Hz (baud rate=115200 and for 4 measurement quantities at most).

When on RS485 Multidrop communication mode, a command for activating the Digital High

frequency can be sent. Then, any command for requiring a measurement can be sent to the

HD2003 up to a maximum frequency of 50 Hz, with a baud rate=115200 and for 4

measurement quantities at most.

Analog Output Mode (Chap. 3.4)

All measurement quantities can be configured to be converted into 5 analog outputs in current or voltage, available in different measurement ranges, with a refresh of 1Hz. This mode is always active, combined with the RS232 Serial, RS422, AoXnd and RS485 Multidrop modes.

When on Digital or Analog High Frequency mode, the 5 analog outputs are still available with a refresh of 1Hz.

Analog Output Extended Mode (AoXnd) - Analog High Frequency ( Chap. 3.5 )

A single HD2003 Anemometer (Master) sends spontaneously digital strings of command over his RS485 serial line directly connected to a remote module (Slave) ICP DAS I-7024 ®

(provided On Request). There are 4 extended analog outputs, voltage or current, to the output terminals of the module, related to the measured quantities requested. Up to 3 ICP DAS

I-7024® modules can be connected, for a maximum total of 12 extended analog output. In normal operation, cadences are settable from 1 to 3600s of update of the analog outputs, that is to say a maximum frequency of 1Hz.

Under this mode, it is possible to get analog outputs at a considerable distance from the place of installation of the HD2003, up to 1200m, even in routes subject to high electromagnetic interference. The analog signals to the output terminals of the module, placed in proximity of the acquisition device (such as the data logger DeltaOhm HD32MT.1), are electrically insulated and are not subject to disturbances and interference in the electrical path forming, as it happens in the analog signals that come directly from anemometer and have a long way before reaching acquisition device.

Under this mode of AoXnd communication, the High Frequency Analog operation can be set, by getting the analog output of the measuring quantities needed, at a frequency of 5Hz to 20Hz, depending on the baud rate of the digital strings of command over the RS485 line.

The RS232 Serial, RS422, RS485 Multi-drop and AoXnd Communication modes are

alternative: only one of them can be active. Their activation is obtained via software (see

Chap. 3.2.3.9), subsequently switching the HD2003 off and on. It is always possible to return to RS232 Serial mode by providing a suitable command when switching the HD2003 on.

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1.5 S

PECIFICATIONS

Output quantities

Anemometric

Meteorological

W ind speed and direction, U-V-W components, sound speed, sonic temperature

(HD2003 Model) Pressure, Temperature, Relative Humidity

Heading Compass with magnetic azimuth

Wind Speed

Unit

Range

Resolution

Accuracy

Wind Direction

Range

Resolution

Accuracy m/s, cm/s, km/h, knots, mph

0 ÷ 70 m/s (252 km/h)

0.01 m/s

 1% of reading

Azimuth: 0 ÷ 360°

0.1 °

 1 °

Elevation:  60°

Sound Speed

Range

Resolution

Accuracy

300 ÷ 380 m/s

0.01 m/s

 1% of reading

Sonic Temperature

Range

Resolution

-40 +60°C

0.1 °C

Accuracy  1 °C

Compass

Range 0÷3600 /10°

Resolution 0.1°

Accuracy ± 1°

 Moving Averages 1÷60 sec / 1÷60 min

 Ultrasonic rate 60Hz

Digital Outputs

 Quantities Anemometric and compass.

(HD2003 Model) Pressure, Temperature, Relative Humidity

 Communications

RS232 and RS422 full duplex, RS485 Multidrop and AoXnd half duplex

 Baud rate

9600 ÷ 115200 bit/sec

 Output Rate

Normal mode (Slow): 1 ÷ 3600 sec

Digital High Frequency (Fast) : fixed 50Hz

Analog Outputs

 Quantities

 Range

 Resolution

14 bits max

Analog Outputs Extended (With ICP DAS I-7024® module On request when placing the order)

 Quantities

 Range

 Resolution

5 to be selected from output quantities (anemometric, compass, meteo).

0-20mA, 4-20mA, 0÷1V, 0÷5V, 0÷10V, 1÷5V up to 12 to be selected from output quantities (anemometric, compass, meteo).

0-20mA, 4-20mA, 0÷5V, 0÷10V

14bits

 Output Rate

Normal mode (Slow): 1 ÷ 3600 sec

Analog High Frequency (Fast) : from 5Hz to 20Hz depending on the baud rate

Power Supply

 Range

 Power

12 ÷ 30 Vdc

< 2W (Typically: 110mA @ 15Vdc)

< 6W Models with heaters and environment temperature not lower than –10 °C

Heaters Option (On request when placing the order).

Heating with automatic temperature control on sonic transducers, to prevent ice and snow formation and ensure a correct functioning even when sleeting or snowing.

RS422 Option (On request when placing the order).

Integrated circuit for communication RS422 4-wire full duplex.

Weight

HD2003 : 2.1Kg

HD2003.1 : 1.5Kg

Environmental Conditions

Temperature Range -40 +60°C

EMC CE Regulations

Precipitation Operation ensured up to 300mm/hr of water

Humidity 0% ÷ 100% RH

The HD2003 application fields are continuously developing, thus Delta Ohm reserves the right to change this specifications without prior notice.

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1.6

(HD2003 M

ODEL

)

P

RESSURE

T

EMPERATURE

– R

ELATIVE

H

UMIDITY

S

ENSORS

Pressure.

Piezo resistive Sensor.

Analog Output: 0-20mA, 4-20mA, 0÷1V, 0÷5V, 0÷10V, 1÷5V

Analog Output Extended (AoXnd): 0-20mA, 4-20mA, 0÷5V, 0÷10V

Range: 600 ÷ 1100 mbar

Resolution: 0.1 mbar

Accuracy:  0.4 mbar @ 20 °C

Temperature Effects:  0.8mbar between –40°C and +60°C

Long-term stability: 1mbar in 6 months @ 20 °C

Temperature.

Sensor: Pt100

Analog Output: 0-20 mA, 4-20 mA, 0÷1V, 0÷5V, 0÷10V, 1÷5V

Analog Output Extended (AoXnd): 0-20mA, 4-20mA, 0÷5V, 0÷10V

Range : –40 + 60 °C

Resolution: 0.1 °C

Accuracy: ± 0.2 °C, ± 0.15% of reading

Relative Humidity.

Capacity sensor: H6100

Analog Output (0 %÷100 % RH): 0-20mA, 4-20mA, 0÷1V, 0÷5V, 0÷10V, 1÷5V

Analog Output Extended (AoXnd): 0-20mA, 4-20mA, 0÷5V, 0÷10V

Range: 5÷98% RH

Resolution: 0.1 %

Accuracy: ± 2.5% RH @ 23°C

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2. INSTALLATION AND MAINTENANCE

2.1 P

ACKAGING

In order to avoid damage due to transport, the HD2003 Anemometer is supplied fixed in a special container. Carefully remove the Anemometer from its container and save this one, for any future packaging and transport.

The warranty does not cover the instrument if, in further shipments, containers other than the one supplied are used, or if the HD2003 is not fixed inside it.

2.2 M

OUNTING AND

P

OSITIONING

The instrument will be vertically mounted and positioned on “open terrain”, far from turbulences due to near trees or buildings. In the presence of buildings, trees or any other obstruction, the HD2003 should be positioned at a height of 10 meters above the ground; the distance between the instrument and any obstruction should be at least 10 times the relevant height.

2.3 A

LIGNMENT

(S

EE

D

RAWING

DWG1HD2003

PAGE

37)

O

RIENTATION

A

If the HD2003 is rotated on its vertical axis, it can be fixed in any other angular position.

The HD2003 built-in magnetoresistive sensor allows to automatically refer angular measurements to Magnetic North, independently of its position.

O

RIENTATION

B

The HD2003 is connected to a computer in RS232 Serial, RS422 or RS485 Multidrop communication mode (Chap. 3.2 and Chap. 3.3). Then the HD2003 is rotated on its vertical axis until the measurement of the compass shows 0.0° +/- 0.1° on the serial communication program of the computer.

This ‘Orientation B’ ensures greater precision in angular measurements and U-V-W Cartesian components of wind speed correspond to cardinal points:

V direction= North

U direction = East

W direction = Instrument Vertical Axis.

In order to refer angular measurements to Geographical North, you should consider the

Magnetic Declination error, which is to be algebraically summed to Magnetic North.

Once the alignment is finished, tighten the clamp which fixes HD2003 to the mounting mast.

With strong magnetic fields, (for example radio or telephone antennas are in the same installation), the automatic calculation of the azimuth angle, may be independent from the compass meaurement. In order to do it, make an RS232 serial connection (Chapter 2.4.2), and if you press

#

on the keyboard of the Host computer, when turning the HD2003 on,

(auto ranging takes a few seconds), you set it up to work with manual North orientation.

To align the instrument, rotate the HD2003 on its vertical axis, so the Geographical North corresponds to the north side of HD2003, which is identified by the direction of the metal support opposite the connector (see Orientation B, Drawing DWGHD2003 page 37).

2

.4 E

LECTRICAL

C

ONNECTIONS

Electrical connections to the HD2003 are made with its 26 pole connector.

Each pin of the connector, is marked with an identity label and a mnemonic symbol.

See Fig. 1 – HD2003 Connector, for references to connector labels and symbols.

(On request) Multipolar cable: the HD2003 may be supplied with a cable and plug.

Various lengths of the cable are available.

(On request) USB cable: The HD2003 can be supplied with a cable for connection to the USB port of a PC and a power supply.

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2.4.1 P

OWER

S

UPPLY AND

E

ARTHING

Power supply: 12÷30 Vdc

110mA @ 15Vdc: without Heaters Option

400mA @ 15Vdc and –10°C: with Heaters Option (heating circuit activated)

Power Supply

12÷30 Vdc

HD2003 Connector / Symbol pole  pole

G / PWR+

H / PWR-

Note for the model with Heaters Option:

When the HD2003 has remained off in temperatures below 0°C, being switched on later will give initial absorption peaks when the heating circuit turns on. These peaks should be planned when dimensioning the power supply circuit used (absorption: from 5A to 1A first

5sec @ 15Vdc and –20°C). For greater effectiveness of the heating circuit, it is advisable to use a Power Supply of 30Vdc, by connecting two pairs of wires, one towards the poles G and K (PWR +) and the other one towards the poles and J and H (PWR-) of the connector of the HD2003. (In RS422 the poles K and J are not available).

Earth Connection.

The earth connection is fundamental to protect against electromagnetic disturbances.

The HD2003 is installed on a metallic pole fixed to the ground that must be earthed.

Connect the metallic structure of the pole to the earthing screw provided near the HD2003 connector (see Drawing DWG1HD2003 page 37) with a  1.5 mm² cable.

The connection in the figure was performed by using a screw on the support pole. It's also possible to make the connection by using a cable tie around the support pole.

2.4.2 RS232 S

ERIAL

C

OMMUNICATION

M

ODE

This mode can be selected via software (Chap. 3.2.3.9)

Connect the HD2003 cable to a computer’s RS232 serial port. It could be necessary also a

USB-RS232 converter such as deltaOHM C205M (provided On Request).

If necessary, use a pin to pin extension with a shielded cable.

The possible extension cable plus the HD2003 cable cannot exceed 15 meters.

(Chap. 3.2.2.1).

RS232 connections

RS232 Port (computer side)

9 pole Cannon connector

HD2003 Connector / Symbol pin#2 pin#3 pin#5

Y / TXD

L / RXD

X / SG

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2.4.3 RS422 S

ERIAL

C

OMMUNICATION

M

ODE

This mode can be selected via software (Chap. 3.2.3.9).

Connect the cable of the HD2003 to the RS232/RS422 converter connected to the computer.

The cable length can be at maximum 1,200m.

RS422 connections

RS422 Port (computer side) HD2003 Connector / Symbol

Polo Tx B

Polo Tx A

Polo Rx B

Polo Rx A

2.4.4

RS485 M

ULTIDROP

C

J / Tx +

K / Tx -

F / Rx +

W / Rx -

OMMUNICATION

M

ODE

This mode can be selected via software (Chap. 3.2.3.9)

Make a parallel connection between each HD2003 of the network and the RS485 port on the computer, (or the RS232/RS485 converter connected to the computer), by using a shielded

twisted pair cable.

The maximum cable length between the Anemometers placed in the extreme places of the

Multidrop RS485 network is 1,200m (Chap. 3.3.1)

RS485 Multidrop connections

RS485 Port (computer side)

pole B

HD2003 Connector / Symbol pole A

F / DATA + for all the HD2003 of the network

W / DATA - for all the HD2003 of the network

2.4.5 A

NALOG

O

UTPUT

M

ODE

(C

HAP

.

3.4.1)

5 Analog Outputs at 14 bits in voltage, 0 ÷ 1V, 0 ÷ 5V, 0 ÷10V ,1 ÷ 5V

Analog Outputs of voltage

HD2003 Connector/ Symbol

#1 E / OUTV1

#2

#3

#4

#5

V / OUTV2 c / OUTV3

Z / OUTV4

M / OUTV5

Analog ground of voltage D / REF

5 Analog Outputs at 14 bits in current, 0-20mA, 4-20mA

Analog Outputs of current

HD2003 Connector/ Symbol

#1

#2

#3

#4

U / OUTmA1 b / OUTmA2 a / OUTmA3

N / OUTmA4

#5 C / OUTmA5

Analog ground of current H / PWR−

The maximum loading resistance of the current circuit is 500Ω at 12Vdc of power supply of the HD2003

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2.4.6

A

NALOG

O

UTPUT

E

XTENDED

M

ODE

A

O

X

ND

With ICP DAS I-7024® module On request when placing the order

This mode can be selected via software (Chap. 3.2.3.9).

Realize a connection, with shielded twisted pair, between the HD2003 and the module ICP DAS

I-7024 ®. The cable length between the most extreme points of the RS485 line, can be at max. 1,200m. For a long distance connection, a 240Ω resistance in parallel between DATA+ and DATA- of the ICP DAS I-7024 ® module, is recommended.

AoXnd connections

Terminal HD2003 Connector/ Symbol

ICP DAS I-7024®

DATA+

DATA-

F / DATA +

W / DATA -

Power Supply ICP DAS I-7024 ® module

The same power supply can be used for the HD2003.

Power Supply

12÷30 Vdc polo  polo

Terminal

ICP DAS I-7024®

(R) +Vs

(B) GND

In order to use the 5 voltage analog outputs of theHD2003 together with those of the ICP

DAS I-7024 ® module, so to have a single ground reference, you should connect:

HD2003 Connector/ Symbol Terminal

ICP DAS I-7024®

D / REF AGND

2.5 M

AINTENANCE

The HD2003 maintenance consists of periodic checks in order to:

Find and possibly eliminate all deposits of ground, leaves or any other kind of debris that may accumulate on the sonic transducers. In highly polluted areas, remove all fouling deposits from the measuring elements such as sonic transducers, support rods, etc.

Verification and possible elimination of the snow mass deposited in the measurement volume. The presence of a large amount of snow in the volume between the sonic sensors, delays the process of thawing (Heaters Option).

Check and possibly restore the integrity of the connector seal.

Check and repair any damage caused by third parties.

Check and possibly restore the correct power supply level, especially in case of supply provided by accumulators or solar panels.

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3. PROGRAMMING

3.1 I

NTRODUCTION

RS232 Serial, RS232, RS485 Multidrop and AoXnd Communication modes are selected via software, as shown in Chapter 3.2.3.9. The Setup user interface is available for all modes.

3.2 RS232

AND

RS422 S

ERIAL

C

OMMUNICATION

M

ODE

3.2.1 P

ARAMETER

S

ETUP

From the Host Computer, open a serial communication program such as Hyper Terminal® or

DeltaMet8u® which is Delta Ohm demonstration software.

By using Hyper Terminal® , select and set up the following Menus:

Port Configuration:

Bit per second

Data bit

Parity

Stop bit

Flow Control

HD2003 baud rate (115200 Factory Default, see Chapter 3.2.3.1)

8

None

2

None

Settings / Terminal Setup / Rows:

Set the number of rows at 24.

Settings / ASCII Setup:

Select ‘Echo typed characters locally’.

Connect power supply and RS232 or RS422 as shown in Chapters 2.4.1, 2.4.2 and 2.4.3.

After the power supply of the instrument has been switched on, the HD2003 will enter the auto

ranging mode for a few seconds and then it will work in Measuring mode and automatically supply the Output Data which can be displayed on Hyper Terminal ®.

On the computer keyboard, press the character ? to enter Setup mode.

3.2.2 M

EASURING MODE

While in Measuring mode, the HD2003 Anemometer transmits the digital strings of Output

Data, each one in a separate line of ASCII characters which correspond to the last measurement, at an emission frequency and an average interval which may be configured in the Setup (Chap. 3.2.3). The quantities to be represented in Output Data are selected in Setup mode, up to 16.

Each quantity’s measured value is formatted into 8 ASCII characters, right justified, with the space character before the sign and a number of decimal positions depending on the unit of measurement.

Each string of data is followed by <LF> + <CR> characters.

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3.2.2.1 RS232 S

ERIAL

M

ODE

E

XAMPLES

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3.2.3 S

ETUP

The Setup allows the user to configure and parameterise the Anemometer according to his needs through linked Menus, displayed in consecutive pages through a serial communication program, such as Hyper Terminal® or DeltaMet8u®(Delta Ohm demonstration software).

When opening a Menu that allows the selection between different values/options, or a Menu that allows to set up a numeric value, the value/option correctly stored by the HD2003 and preceded by a “=” sign, is always highlighted. Each single change of a parameter operated by the user determines a permanent storage of the new parameter value, still valid even after the power supply of the HD2003 has been switched off.

In any configuration page which is visualized, a timeout becomes active after a previously set period: unless a key is pressed on the Host Computer keyboard, the HD2003 returns to previous pages until Measuring Mode. By consecutively pressing up to 5 characters that are not available on the current Menu of the page used, you get the same result.

The Main Menu displayed through Hyper Terminal® or DeltaMet8u®(Delta Ohm demonstration software), is the following:

DeltaOHM

Anemometer HD2003 Rel. 3.0



Menu

S. Setup

L. Logging

Esc. Exit

Sel:

Press

[Esc]

to go back to Measuring Mode (see Chapter 3.2.2).

Type S to enter the Setup Menu.

Type

L

to display the Logging (see Chapter 3.2.4).

S

ETUP

M

ENU

The screen page displays:



Setup

1. Baud

2. Gain

3. Threshold

To select the RS232, RS422, RS485 or AoXnd communication baud rate

To set the gain factor for U-V-W, SoW and SUV

To set the minimum threshold for SoW

4. Average Interval To set the average interval in seconds or minutes for all output quantities

To select the analog range and wind speed range for Analog Outputs and AoXnd 5. Analog Output

6. Output Quantity To select output quantities in RS232, RS422, RS485, AoXnd and Analog Output mode

7. Wind Units

8. Heating

9. COM Mode

I. ID

To select the unit of measurement of SoW, SoS, U-V-W and SUV

(On request) To enable the heating circuit of sonic transducers

To select RS232 Serial, RS422, RS485 or AoXnd communication mode

To set the instrument identicode for RS485 Multidrop mode

R. Output Rate To set Digital/Analog High/Low Frequency of output quantity transmission in RS232,

RS422, RS485 and AoXnd

Esc. Exit

Type the alphanumeric character next to each Menu item, in order to activate the corresponding submenu.

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3.2.3.1

B

AUD RATE

Typed Character

:

1

,

(Baud)

How to set RS232, RS422, RS485 and AoXnd baud rate. The screen page displays:



Baudrate(N,8,2)

1. 9600

2. 19200

3. 38400

4. 57600

5. 115200

Esc. Exit

Enter. Save

= 115200

By typing a number displayed among the Menu items, the relevant baud rate will appear.

For example, by typing 2 , =19200 will appear.

After selecting the desired baud rate number, press

[ENTER]

to enable the Anemometer at the new baud rate (=115200 Factory Default).

When baud rate changes, the Hyper Terminal® Port Configuration is to be modified by inserting the new baud rate in the Bit per second item. It remains active in the HD2003 even when passing to Multidrop RS485 mode or AoXnd.

Note: Press any key in order to get a new screen page.

3.2.3.2

G

AIN

Typed Character:

2 ,

(Gain)

How to set the Gain factor. The screen page displays:

Sel: 2

= 10000

Gain [Range= 5000 to 15000]:

It allows to set a gain factor in 1/10000 for U–V–W components and consequently for SoW and

SUV (=10000 Factory Default).

This gain variation allows to align the wind speeds measured by the HD2003 with the wind speeds measured by any other reference instrument.

To set the desired gain , type it and then press

[ENTER]

, make sure that the number is within the 5000÷15000 range.

3.2.3.3

M

INIMUM

T

HRESHOLD

Typed Character: 3 ,

(Threshold)

How to set the Minimum Threshold displayed. Screen page:

Sel: 3

= 20

[cm/s] [Range= 0 to 500]:

It is possible to set a minimum threshold of speed in cm/s, below which SoW is considered equal to zero (= 20 Factory Default).

Type the digits of the desired value and then press

[ENTER]

, according to the 0÷500 range.

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3.2.3.4 A

VERAGE

I

NTERVAL

Typed Character:

4 ,

(Average Interval)

How to set the interval value in seconds or minutes in order to calculate the moving averages of all output quantities. The first screen page displays:



Average Interval

1. [sec]

2. [min]

Esc. Exit

= [min]

The time unit of the moving average interval can be chosen, in seconds or minutes

(=[min] Factory Default). After typing the number corresponding to the desired unit:

… if you choose seconds:



Average Interval

= 2

[sec] [Range= 1 to 60]:

… if you choose minutes:



Average Interval

= 2

[min] [Range= 1 to 60]:

The interval value should be set between 1 and 60 (=2 Factory Default) for calculating the moving average. The moving average is the average calculated by the samples acquiring in the last time interval, equivalent to the set period in seconds or minutes. Averages can be calculated over a period from 1 to 60 seconds, or from 1 to 60 minutes. The moving average is calculated on the U-V-W and SoS components (and consequently on all the other anemometric quantities resulting from them), and for all the remaining output quantities (HD2003 Model:

Pressure, Temperature, Relative Humidity). In substance, all quantities chosen as Output Data in RS232, RS422, RS485 or AoXnd as well as those chosen as Analog Outputs, are supplied by the HD2003 with values that represent the average calculated on the last time interval.

The magnetic azimuth provided by the compass is excluded from moving averages.

Type the digits of the desired number according to the range displayed on the screen and then press

[ENTER ]

.

After choosing the average interval, the instrument automatically sets its Internal Refresh

(Chap. 1.1). The Internal Refresh is equal to 1s if you choose the interval in seconds; if you choose it in minutes, it is equal to as many seconds as the minutes chosen.

(for example, an average interval of 10min corresponds to an Internal Refresh each 10sec).

3.2.3.5

A

NALOG

O

UTPUT

F

ORMAT

Typed Character:

5 ,

(Analog Output)

How to select the analog range and the wind speeds range for Analog Outputs and Analog

Output Extended (AoXnd) mode. Screen page:



Analog Output

1. mA-V Ranges

2. Speed Ranges

Esc. Exit

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By typing

1 ,

(mA-V Ranges)

How to select the analog range. The screen page displays:



Ranges

1. 0-20 mA

2. 4-20 mA

3. 0-1 V

4. 0-5 V

5. 0-10 V

6. 1-5 V

Esc. Exit

Enter. Save

AoXnd: no option 3 or 6

= 2

After selecting the number from Menu items which corresponds to the desired analog range, press [ENTER] to enable the five Anemometer Analog Outputs to provide a voltage/current signal in the selected range (=4-20mA Factory Default). By pressing [ENTER] , under AoXnd mode, the same current or voltage range set also for ICP DAS I-7024 ® modules used (Cap.

3.5.1), is stored. When under AoXnd mode the ranges 0-1V and 1-5V are excluded.

Example: if you type 2 , i.e. you choose 4-20mA range, and one of the Analog Outputs is combined with azimuth 0-360° (Chap. 3.2.3.6), the reciprocity scale is established between current available as Analog Output or AoXnd and engineering values referring to the azimuth:

0°  4mA

360°  20mA

By typing

2 ,

(Speed Ranges)

How to set the engineering range for wind speeds available for Analog Outputs and AoXnd mode. The following screen page for range setup appears:

Sel: 2

= +/- 70 m/s (U, V, W)

= 0 to 70 m/s (SoW, SUV)

F.S. [Range= 10 to 70]:

Set a positive number in m/s between 10 and 70, which represents the F.S. on the scale of measurement for SoW and SUV starting from zero; it also represents the extreme limits on the symmetrical scale of measurement for U-V-W components.

Type the digits of the desired number according to the range displayed on the screen

(= 70m/s Factory Default) and then press

[ENTER]

.

For instance, if you type 45, having selected 1-5V from Menu “mA-V Ranges”, with one of

Analog Outputs combined with the U component of wind speed (Chap. 3.2.3.6), the reciprocity scale is established between the voltage of the relevant Analog Output and the meters per seconds of U component:

- 45 m/s  1Vdc

+45 m/s  5Vdc

Under Analog Output and AoXnd mode, the only unit of measure possible is m/s for wind speed.

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3.2.3.6

O

UTPUT

Q

UANTITIES

Typed Character: 6 ,

(Output Quantity)

How to set output quantities in Serial RS232, RS422, RS485 Multidrop, AoXnd and Analog

Output mode. Screen page:



Output Quantity

1. User

Esc. Exit

= 1

Sel:

By typing

1 ,

(User)

The following Custom Format Menu appears:



Custom Format

0. q0

1. q1

2. q2

3. q3

4. q4

5. U-V-W

6. Speed in U-V

7. Speed of Wind

8. Azimuth

9. Elevation

S. Speed of sound

T. Sonic temperature

C. Compass

E. Errors

Esc. Exit

= 78012tce

Sel [max 12]:

You can select the type and order of measured quantities which will appear from left to right in

Output Data, supplied in Serial RS232, RS422 mode or obtained after a query in RS485

Multidrop mode. For the Extended Analog Output (AoXnd) mode, it is possible to choose the type and order of the measuring quantities, in group of four, matched to the 4 Analog Outputs available to the terminals of each ICP DAS I-7024 ® module used.

For Analog Output mode, you can choose the type and order of measured quantities coupled with the five Analog Outputs available to the connector of the Anemometer.

The string of desired output quantities is established by typing in the desired order, the corresponding alphanumeric characters which appear on Menu (= 78012tce HD2003 Factory

Default) (= 78tce HD2003.1 Factory Default).

The string may consist of 12 alphanumeric characters at most.

RS232 S

ERIAL

, RS422

AND

RS485 M

ULTIDROP

M

ODE

For output quantities format in RS232 Serial mode and RS422 see Chapter 3.2.2 Measuring

mode for RS232 Serial and RS422. For RS485 Multidrop mode see Chapter 3.3.2 HD2003

Communication Protocol.

Output quantities will be available in the digital Output Data in the same order as they have been chosen in the string.

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A

NALOG

O

UTPUT

M

ODE

In Analog Output mode, the output quantities format is extremely transparent for the user who will have these quantities in the terminals designed for Analog Outputs. These quantities will be converted into analog output ranges selected as shown in Chapter 3.2.3.5.

They coincide with the first five quantities selected from the above-mentioned string of output quantities, without considering the ones that follow. They will be available in the terminals of

Analog Outputs, in the same order as they have been chosen in the string.

Example: if you set a string of quantities like st78c59, the last two quantities, i.e. 5 (U,V,W) and 9 (Elevation) are ignored, while the first five quantities will be available in the terminals of

Analog Outputs (see Fig.1 – HD2003 Connector):

Output Quantities

s (Speed of Sound) t (Sonic Temperature)

HD2003 Connector Symbol

E

V

OUTV1

OUTV2

7 (Speed of wind)

8 (Azimuth) c

Z

OUTV3

OUTV4 c (Compass) M OUTV5

NB: In this example, an analog voltage range has been selected (Chap. 3.2.3.5).

A

NALOG

O

UTPUT

E

XTENDED

M

ODE

(A

O

X

ND

)

Under Extended Analog Output mode, the formatting of the output quantities is totally transparent to the user, who will have these quantities available to the terminals provided for the Analog Outputs in the ICP DAS I-7024 ® modules used, converted to the output analog ranges used, as described under Chap. 3.2.3.5 and Chap. 3.5.1.

The number of the ICP DAS I-7024 ® modules used can be maximum three, with a sequential address (00, 01, 02 see Chap 3.5.1 ) and each module has 4 analog outputs. Starting from the string of the output quantities and following the same order used to select them, the quantities are available in groups of four to the terminals 0,1,2,3 of the modules, moving progressively from the module addressed 00, continuing to 01 (if used) then to 02 (if used).

The output quantities which are exceeding with respect to those on the modules, are ignored.

If the string of the output quantities has a number of quantities lower than those available on the modules, it means that the remaining analog channels on the modules are unused.

For instance:

(HD2003 Model). If the string of the output quantities is set to 78012tc, that is to say with seven quantities, it means it is necessary to use two ICP DAS I-7024 ® modules, the first one with address 00 e and the second one with address 01.

The first four quantities of the string, corresponding to 7801 (Wind Speed, Azimuth, Pressure,

Temperature), are available at the terminals 0,1,2,3 (current or voltage) of the module 00.

The remaining three quantities 2tc (RH, Sonic Temperature, Compass), are available at the terminals 0,1,2 (current or voltage) of the module 01 (Cap. 3.5.1).

C

USTOM

F

ORMAT

M

ENU

By typing:

0 ,

(q0)

1 ,

(q1)

2 ,

(q2)

3 ,

(q3)

4 ,

(q4)

(HD2003 Model). The arbitrary selection of

0 , 1 , 2

,

allows to include the measurement of an additional meteorological quantity, in the output quantities.

In the HD2003 Model, the following correspondence exists: q0  Pressure (600 ÷ 1100mbar) q1  Temperature (-40 ÷ 60°C ) q2  Relative Humidity ( 0 ÷ 100% ) q3  Optional q4  Optional

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Therefore, if you type characters 0 (referring to Pressure), 1 (referring to Temperature) 2

(referring to Relative Humidity), you can add these measurements to output quantities in the desired order.

(On request) Additional output quantities (see figure Chap. 3.2.2.1):

(HD2003 Model). When you place your order, you can combine the two optional quantities q3 and q4, with two 0-1V external sensors connectable to the Anemometer. Thus, two additional measurements are added to the output quantities already available in the HD2003.

Quantities q0, q1, q2 are already combined with Pressure, Temperature, Relative Humidity respectively.

(HD2003.1 Model). When ordering, you can combine additional quantities q0, q1, q2, q3, q4, with five 0-1V external sensors connectable to the Anemometer. Thus, five additional measurements are added to output quantities of the HD2003.1.

By typing

5

,

(U-V-W)

Intensity with sign of the three Cartesian components U-V-W of wind speed.

(Orientation B, see Drawing DWG1HD2003 page 37).

Sign + appears if the component measured is in the same direction of the standard reference, otherwise sign – appears. The unit of measurement is the same as for SoW.

If you use them as Analog Outputs and AoXnd, you can set the engineering F.S. (Chap.

3.2.3.5), otherwise it is fixed (+/- 70 m/s).

By typing 6 ,

(Speed in U-V)

SUV Intensity, in the same unit of measurement as for SoW.

(Orientation B, see Drawing DWG1HD2003 page 37).

If you use it as Analog Output and AoXnd, you can set the engineering F.S. (Chap. 3.2.3.5), otherwise it is fixed (0 ÷ 70 m/s).

By typing 7 ,

(Speed of Wind)

SoW intensity, with unit of measurement setting as shown in Chapter 3.2.3.7.

If you use it as Analog Output and AoXnd, you can set the engineering F.S. (Chap. 3.2.3.5), otherwise it is fixed (0 ÷ 70 m/s).

By typing 8 ,

(Azimuth)

Azimuth angle amplitude, considered as shown in Chapter 1.1 and Chapter 2.3.

Range: 0 ÷ 360°.

By typing 9 ,

(Elevation)

Elevation angle amplitude, considered as shown in Chapter 1.1.

Range: +/- 60°.

By typing S ,

(Speed of sound)

SoS in the same unit of measurement as for SoW. Range: 0 ÷ 400 m/s.

By typing T ,

(Sonic temperature)

Sonic Temperature calculated by SoS in °C. Range: -40 ÷60°C

By typing C ,

(Compass)

Magnetic azimuth angle, provided by the compass as shown in Chapter 1.1 and Chapter 2.3.

Range: 0 ÷ 3600 /10°.

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By typing E ,

(Errors)

In the Output Data, three numbers will appear from left to right corresponding to:

Error code

Previous error code

Number of invalid measurements.

NOTE: The option Errors should not be used under Analog Output and AoXnd mode.

Error Codes Table

The error code consists of two digits:

- The one referring to tens, identifies the sonic transducers with possible anomaly.

Sonic transducers are grouped in pairs of facing elements. For the first pair, the upper transducer is next to the HD2003 metallic support which indicates the North direction.

The other pairs follow anti-clockwise.

(See Drawing DWG1HD2003.1 page 38, numbering 1,2,3 in “Orientation B”).

First pair of transducers: code 1 for lower transducer, 2 for the upper one.

Second pair of transducers: code 3 for lower transducer, 4 for the upper one.

Third pair of transducers: code 5 for lower transducer, 6 for the upper one.

Code 7 is combined with the compass.

- The one referring to units highlights the kind of anomaly:

Code Anomaly

0

1

None (combined with 0 for transducer too)

Electrical interruption transducer circuit.

Transducer’s break. Obstruction of the path

2,5,7 Time anomaly or wave amplitude anomaly of ultrasonic pulse

Others Internal codes

Example:

If there is an anomaly in transducer n. 4, due to a physical obstruction in the measurement volume, which brings to the rejection of 2 raw measurements during a measure loop, in the

Output Data string the following set of three numbers appears:

41 0 2

Without anomalies:

0 0 0

3.2.3.7 U

NIT OF

M

EASUREMENT

Typed Character: 7 ,

(Wind Units)

How to select the unit of measurement. The screen page will display:

 Wind Units

1. m/s

2. cm/s

Meters per second

Centimetres per second

3. km/h

4. knots

5. mph

Esc. Exit

Enter. Save

= m/s

Kilometres per hour

Knots

Miles per hour

From the Menu, you select the unit for SoW and consequently for SoS, U-V-W and SUV.

By typing a number chosen from Menu items , the corresponding unit of measurement will be displayed. For example, by typing 3 , =km/h will appear.

After selecting the desired unit, press

[ENTER]

to enable the Anemometer to the new unit of measurement; this unit will be stored permanently until a new configuration is given

(=m/s Factory Default). Under Analog Output and AoXnd mode, the only unit of measure possible for the wind speed is m/s.

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3.2.3.8 S

ONIC

T

RANSDUCER

H

EATING

This function is provided on request, and refers just to HD2003.R and HD2003.1.R models supplied with sonic transducer heating circuit. The climatic conditions which make it necessary to use the Heaters Option are indicated in Chapter 1.2.1.

Typed Character:

8 ,

(Heating)

How to enable the sonic transducer heating circuit. Screen page:

Sel: 8

= Y

Enable Heat(y/n):

You can enable (by typing

y

or

Y

) or disable (by typing

n

or

N

) (=Y Factory Default), the circuit which controls the sonic transducer heating in severe climatic conditions. Heating prevents ice formation or the deposit of sleet on sonic transducers, and activates the dissolution of the deposit of snow/sleet in the sonic transducers, guaranteeing their correct functioning.

3.2.3.9 RS232, RS422, RS485

AND

A

O

X

ND

C

OMMUNICATION

M

ODE

Typed Character:

9 ,

(COMM Mode)

How to select RS232 Serial, RS422, RS485 Multidrop or AoXnd Communication Mode.

Screen page:



COMM Mode

1. RS232

2. RS485

3. RS422

4. AoXnd

Esc. Exit

Enter. Save

=RS232

From the Menu you can select the desired communication mode.

By typing 1 , 2 , 3 , 4 the corresponding mode appears. For example, by typing 2

=RS485 appears. La RS422 mode of entry 3 , (On request) refers to models equipped with

4-wire full RS422 duplex integrated chip communication.

After your selection, press

[ENTER]

to enable the Anemometer to the desired mode, which will be activated when the HD2003 is switched on, and stored permanently until a new configuration (=RS232 Factory Default).

Whatever the stored communication mode, you can always set RS232 serial mode when switching the HD2003 on. You can just make a RS232 Serial connection (Chap. 2.4.2) and by pressing ? on the keyboard of the Host computer, after switching the HD2003 on, during auto ranging (which takes a few seconds), you force RS232 Serial mode to run, even though for example RS485 Multidrop or AoXnd or RS422 mode was previously stored.

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3.2.3.10 I

DENTICODE

Typed Character:

I ,

(ID)

How to set the HD2003 identicode for RS485 Multidrop mode. Screen page:

Sel: I

= 1

Identicode

Type any alphanumeric character, (0,1,2…9,a,b,…z,A,B,…Z) which will identify univocally the

Anemometer (=1 Factory Default). The identicode is used in RS485 Multidrop communication mode in order to address the HD2003 Anemometers used in a two-wired Multidrop network.

3.2.3.11 O

UTPUT

R

ATE AND

D

IGITAL

A

NALOG

H

IGH

F

REQUENCY

Typed Character: R ,

(Output Rate)

How to set the digital frequency of output quantities transmission for RS232 Serial, RS422,

RS485 Multidrop, AoXnd mode, and how to activate Digital or Analog High Frequency mode.

Screen page:



Output Rate

1. Slow

2. Fast

Esc. Exit

= Slow 1 sec

By digiting 1 the digital frequency of the Output data under normal function (Slow) of the string is set, or by digiting 2 the Digital or Analog High Frequency is set (Fast).

,

By typing 1

,

(Slow) The following screen page displays:

Sel: R

= 1

[sec] [Range= 1 to 3600]:

You can choose a period in seconds from 1 to 3600, which represents the lapse of time between issuing one Output Data string and the next one. Type the desired period value and then press [ENTER] , with a number included in the range indicated.

On the lower Output Rate Menu, the set period appears ( =1 Factory Default):

= Slow 1 sec

The set frequency is independent of the Internal Refresh of the instrument (see Chapter

3.2.3.4). Under Multidrop RS485 mode, the subsequent queries of the measures towards the

HD2003, can have a maximum frequency of request not exceeding the set one here. Under

Extended Analog Output (AoXnd) mode, the frequency here set is that of issuing of the command digital strings on the RS485 serial line, connected to an ICP DAS I-7024 ® module

(supplied On request), and it coincides with the frequency of updating of the analog outputs available at the terminals of the modules connected.

By typing 2 ,

(Fast)

Digital or Analog High Frequency mode is activated, and on the lower screen side appears:

=Fast Digital

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Under Digital High Frequency, the Output Data string in Serial RS232 or RS422 mode, is supplied at a fixed 50Hz frequency under the following conditions:

Baud rate bit/s

Frequency / measurement quantities

115200 50Hz / 4

A number of quantities higher than four or baud rates lower than 115200 bit/s, determine emission frequencies of Output data, lower than 50Hz.

Under Multidrop RS485 mode, the option Fast has no effect, because the Digital High

Frequency under RS485 is achieved by a command (Chap. 3.2.2.3).

The Analog High Frequency is available only in the AoXnd communication mode. It allows to obtain the voltage or current analog output of the measuring quantities under interest, at a frequency from 5Hz to 20Hz and for a maximum number of requested quantities, according to the baudrate of the command digital strings in the RS485 line:

Baud rate bit/s

Frequency / measurement quantities

9600

19200

38400

57600

5Hz / 4

10Hz / 4

10Hz / 10

20Hz / 4

115200 20Hz / 7

The Digital or Analog High Frequency is automatically disabled when switching the HD2003 on again.

3.2.4 L

OGGING

As shown in Chapter 3.2.3, by typing L from the Main Menu, the following screen page will display:

Here are summarized the values set by the factory calibration, as well as the current configuration of the main parameters that can be managed by the user in Setup.

Press any key to go back to the Main Menu.

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3.3 RS485 M

ULTIDROP

C

OMMUNICATION

M

ODE

3.3.1 P

ARAMETER

S

ETUP

From the Host Computer, start an RS485 communication program made by the user, able to

(Chap. 3.3.2):

Transmit commands in agreement with the HD2003 Communication Protocol, towards the

Anemometers of the RS485 Multidrop network.

Display and record the data and menu pages received from the queried Anemometers.

The Computer Host must have an RS485 serial interface. Alternatively use an RS232/RS485 converter like ICP DAS I-7520® (supplied On Request), to be placed between the RS232 serial port of the Computer Host and the network of the HD2003. A USB-RS232 converter can be also necessary, like DeltaOHM C205M (supplied On Request).

Set the following communication parameters in the RS485 communication program:

RS485 communication program parameters:

Bit per second baud rate of each HD2003 in the network

Data bit

Parity

Stop bit

Flow Control

8

None

2

None

Before connecting HD2003 Anemometers in the network, set the baud rate and identicode of each one, using the RS232 Serial Communication mode,

(see Chapters 2.4.1 and 2.4.2 for electrical connections).

The baud rate, the same for all the HD2003 units in the network, is selected following the

Chapter 3.2.3.1 instructions. The identicode must be different for each HD2003 unit in the network, and it’s selected following the Chapter 3.2.3.10 instructions.

Connect the Anemometers in the RS485 Multidrop network and set electrical connections as illustrated in Chapters 2.4.1 and 2.4.3. After the power is supplied, each HD2003 unit (Slave) will work on Stand by continuing to execute its normal measurement cycle, waiting for commands from the Computer Host (Master).

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As an alternative to the Host Computer, it is possible to connect the Anemometers in the

Multidrop RS485 network, by commanding from the DeltaOHM HD32MT.1 datalogger. It is possible to connect a maximum of 8 Anemometers to the data logger. This data logger has an internal RS485 communication program, that already responds to the requirements of the

HD2003 Communications Protocol.

3.3.2 HD2003 C

OMMUNICATION

P

ROTOCOL

The HD2003 can receive four types of commands from the RS485 communication program of the Computer Host or of the DeltaOHM HD32MT.1 datalogger:

Output Data Command

Setup Command

Digital High Frequency Enable/Disable commands (datalogger excluded)

Each command must observe a set protocol:

1. Before sending the command string, the RS485 communication program must force the serial communication line to the Break Signal (*) (Clearing Mode) status for at least 2ms, and then return to the rest condition (Marking Mode).

2. Immediately after the Break Signal and return to the rest condition, the RS485

communication program must send the command string consisting of 4 ASCII characters:

<C><ID><x><x>

Where:

<C> Command Code

M (ASCII code: 77) Output Data Command

Description

S (ASCII code: 83) Setup Command

H (ASCII code: 72) Digital High Frequency Enable Command

L (ASCII code: 76) Digital High Frequency Disable Command

<ID> Identicode of the queried HD2003 unit

(An alphanumeric character 0,1..9, A…Z, a…z)

<x> An indifferent character

(Any character)

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In the command string transmitted, you must then specify the Command Code, according to the command used, as well as the Identicode which identifies univocally the HD2003 unit to which the command refers.

3. Generally between a command and the next one, according to the transmission baud rate and the correct time synchronization of each HD2003 unit in the network, the following minimum time in milliseconds, according to the set baud rate, must pass:

Baud rate ms

9600

19200

38400

57600

115200

200

100

70

40

25

Only after such time has elapsed, the Computer Host or the DeltaOHM HD32MT.1 datalogger, can send a new query to any Anemometer of the network, even without having received a response from the queried unit that may possibly be faulty.

(*) Break Signal

The Break Signal suspends the character’s transmission on the serial line, setting it to a break status. In this status, the voltage level of the transmission line from the computer to the

Anemometer passes from nominal -12V to +12V. The function which generates the Break

Signal is available in program languages or serial communication / terminal emulation programs.

Examples:

The Computer Host requires the addressed unit with Identicode = 1, to provide Output Data, and transmits in sequence:

1. Break Signal for at least 2ms

2. Command: M1tt

The Computer Host requires the addressed unit with Identicode = T, to enable Digital High

Frequency mode, and transmits in sequence:

1. Break Signal for at least 2ms

2. Command: HTgg

The Computer Host requires the addressed unit with Identicode = G, to manage the Setup, and transmits in sequence:

1. Break Signal for at least 2ms

2. Command: SGaa

3.3.2.1

S C

OMMAND

(S

ETUP

)

The RS485 communication program after sending the command:

S<ID><x><x>

according to the modes illustrated in Chapter 3.3.2, sets the queried HD2003 unit in Setup, and receives the Main Menu page from it (see Chapter 3.2.3).

In substance, the RS485 communication program can manage the “Setup” of the HD2003 queried unit on the RS485 Multidrop line, in the same modes shown for the RS232 Serial

Communication.

Upon exiting the “Setup”, the HD2003 unit returns to Slave on Standby.

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3.3.2.2 M C

OMMAND

(O

UTPUT

D

ATA

)

The RS485 communication program after sending the command:

M<ID><x><x>

according to the modes illustrated in Chapter 3.3.2, will receive Output Data from the queried

HD2003 unit, in a proper format.

The Output Data received, will correspond to the last measurement carried out by the

HD2003 unit, concerning the set average interval in the Setup (see Chapter 3.2.3.4).

They represent the measurement quantities selected on the HD2003 unit, through number and type as shown in Chapter 3.2.3.6.

Output Data are kept in a package in the following format of ASCII characters :

IIIIM<ID>I&<DATA1><DATA2>….<DATAx><SP>&AAAM<ID>AA<CR>

Where:

I

M

<ID>

&

I character (ASCII code: 73)

M character (ASCII code: 77)

Identicode of the queried HD2003 unit (only one alphanumeric character)

& character (ASCII code: 38)

<DATAx> 8 characters which represent the format of the x-th numeric right justified data with spaces before the sign, numeric digits, decimal point (Chap. 3.2.2)

<SP> Space

A A character (ASCII code: 65)

<CR> Carriage return

Examples:

The Computer Host requires the addressed unit with Identicode = a, to provide Output Data and transmits in sequence :

1. Break Signal for at least 2ms

2. Command: Mann

It receives Output Data with 6 measurement values from the instrument with Identicode = a :

IIIIMaI& 2.23 -28.34 0.34 28.30 359.3 -1.3 &AAAMaAA<CR>

The Computer Host requires a second unit with Identicode = Z, to provide Output Data and transmits in sequence:

1. Break Signal for at least 2ms

2. Command: MZxx

It receives the Output Data with 8 measurement values from the instrument with ID=Z :

IIIIMZI& -3.23 -29.17 0.37 29.40 358.4 -1.5 11.13 -1.85 &AAAMZAA<CR>

The Computer Host requires a third unit with Identicode = f, to provide Output Data and transmits in sequence:

1. Break Signal for at least 2ms

2. Command: Mfmm

It receives the Output Data with 5 measurement values from the instrument with ID=f:

IIIIMfI& -5.23 19.18 -1.54 16.00 -1.06 &AAAMfAA<CR>

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3.3.2.3

H C

OMMAND

(D

IGITAL

H

IGH

F

REQUENCY ENABLE

)

L C

OMMAND

(D

IGITAL

H

IGH

F

REQUENCY DISABLE

)

The RS485 communication program after sending the command:

H<ID><x><x>

according to the modes illustrated in Chapter 3.3.2, sets the addressed HD2003 unit in the

Digital High Frequency mode.

In substance, the RS485 serial communication program, can subsequently query the HD2003 through command M (Output Data) at a maximum frequency of 50 Hz, under the following conditions:

Baud rate bit/s

Frequency / measurement quantities

115200 50Hz / 4

The Digital High Frequency is automatically disabled when switching the HD2003 on again.

The RS485 communication program after sending the command:

L<ID><x><x>

according to the modes illustrated in Chapter 3.3.2, sets the HD2003 in the normal Output

Data emission mode, and disables the Digital High Frequency mode.

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3.4

A

NALOG

O

UTPUT

M

ODE

As shown in Chapter 3.2.3.6, all output quantities can be available as analog outputs, choosing different voltage or current ranges (Chap. 3.2.3.5). Five quantities converted to their corresponding engineering ranges,

(Fig. 1 - HD2003 Connector, OUTV1/OUTV2/OUTV3/OUTV4/ OUTV5 or

OUTmA1/OUTmA2/OUTmA3/OUTmA4/OUTmA5 ), are available on Analog Outputs terminals.

For the HD2003 Model, analog conversion for Temperature – Relative Humidity – Pressure, is also possible.

The Analog Output mode is always active together with Serial RS232, RS422, RS485 Multidrop and AoXnd communication mode.

Please refer to pages 41 and 42, for Factory Default setting of the output quantities available to the Analog Output terminals.

3.4.1

A

NALOG

O

UTPUT

M

ODE

E

XAMPLES

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3.5 A

NALOG

O

UTPUT

E

XTENDED

M

ODE

(A

O

X

ND

)

By using the CP DAS I-7024 ® module (On request) with the HD2003 under Extended Analog

Output mode, at the output terminals of the module, are available 4 additional analog outputs, voltage or current, related to the measure quantities desired. Up to 3 ICP DAS I-7024 ® modules can be connected, for a maximum of 12 extended analog outputs. Under this mode, you can have the analog outputs at a considerable distance from the place of installation of the

HD2003, up to 1200m, also in routes where a high electromagnetic interference is present.

Analog signals at the output terminals of the module, placed near of the device acquisition

(such as the datalogger DeltaOhm HD32MT.1), are electrically insulated and are not subject to disturbances and electrical interference in the path that do, as in the case of analog signals that come directly from anemometer and walk a long way before reaching acquisition equipment.

3.5.1 ICP DAS I-7024 ®

MODULE SETTING

Here below reported are the procedures (performed at the factory On request) to prepare the

ICP DAS I-7024® module, with the correct settings of baudrate, range, unit format, address, necessary for the Extended Analog Output operation mode.

Remote interface module ICP DAS I-7024 ®

This step of the module configuration, requires a Host computer with RS485 serial interface.

Alternatively, use an RS232/RS485 converter as ICP DAS I-7520 ® (supplied On request), to be placed between the RS232 serial port of the host computer and the ICP DAS I-7024 ® module. You may also need a USB-RS232 converter as DeltaOhm C205M (supplied On

request).

1. Connect a 12÷30Vdc Power Supply to the terminals (R)+Vs and (B)GND.

2. Connect the terminals DATA+ ad DATA- to the correspondents of the RS485 interface of the computer.

3. Connect the terminal INIT* to the terminal (B)GND.

From the Host computer, start a serial communication program as Hyper Terminal select and set the following Menù:

, then

Port Configuration:

Bit per second

Data bit

Parity

Stop bit

Flow Control

9600

8

None

1

None

From Hyper Terminal

transmit the command:

%01<AA><TT><CC>00 <Enter>

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<AA>

00

ICP DAS I-7024 ® Modules

first

<TT>

Range

30

0-20mA

31

4-20mA

32

01 second

0÷10V

02 third

34

0÷5V

<CC>

Baud rate

06

9600

07

19200

08

38400

09

57600

0A

115200

Examples: by choosing a baudrate=19200 and a range=0÷10V and by using 1 module, the command is:

%0100320700<Enter>

Response: !0000320700 by choosing a baudrate=115200 and a range=4-20mA, using 3 modules, the commands are:

%0100310A00<Enter> first module Response: !0000310A00

%0101310A00<Enter> second module Response: !0101310A00

%0102310A00<Enter> third module Response: !0202310A00

Remove the connection referred to in paragraph 3 above.

If the baudrate has been changed, setting it to a different value from 9600 (default module), the settings are operative when the module is re-started.

The module settings for baudrate, range and address (related to the number of modules), must coincide with those of the HD2003 (Chapter 3.5.2).

3.5.2 HD2003 S

ETTING

From the Host computer select the measuring quantities to be converted into extended analog outputs, their upgrading frequency, the baudrate and the analog range, by the RS232 serial communication, (for the electrical connections see Chapters 2.4.1 and 2.4.2).

Select the Extended Analog Outputs mode and the number of modules to be connected, according to the instructions at Chap. 3.2.3.9.

It is possible to choose the type and the order of the measuring quantities combined with the four additional analog outputs of each module, by following the instructions on Chap. 3.2.3.6.

The frequency rate for the update of the extended analog outputs can be set by following the instructions on Chap. 3.2.3.11.

Baudrate, analog range and number of modules (related to the addresses of the modules), must match those set in each ICP DAS I-7024® module (previous Chap. 3.5.1).

The baudrate is selected according to the instructions on Chapter 3.2.3.1, while the range is selected according to the information on Chapter 3.2.3.5.

Remove the electrical connections of the RS232 communication mode and connect the

Anemometer to each ICP DAS I-7024 ® module, by making the electrical connections as described on Chapters 2.4.1 and 2.4.6 for the Extended Analog Output mode.

After providing electricity, the HD2003 (Master) works under Measure, by spontaneously providing command strings to the frequency set, on the RS485 serial line directly connected to each ICP DAS I-7024® remote module (Slave).

Four extended analog outputs, active in the selected analog range and related to the measured quantities desired, are available at the output terminals of each module.

If the measuring quantities chosen correspond to the anemometric quantities, the engineering ranges are the same preset or set by the user, according to Chapter 3.2.3.5, with the only speed of wind possible unit: m/s. Whether they included the quantities present at the analog inputs, the engineering ranges are those set by the user according to the procedures in

Chapter 3.2.3.6.

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It is possible to change the HD2003 settings from the Host computer also on the RS485 line, by using an RS232/RS485 converter such as ICP DAS I-7520® (supplied On Request), between the RS232 serial port of the Host computer and the ICP DAS I-7024® module.

From a Host Computer, start a serial communication program as Hyper Terminal  and by following the instructions on Cap. 3.2.1, send to Setup the queried HD2003 unit and then the page Main Menù will be received (Chapter 3.2.3 ).

In practice, the serial communication program can handle the Setup of the queried HD2003 unit on the RS485 line, in the same way as for the RS232 and RS422 Serial Communications.

After exiting the Setup, the HD2003 unit returns to Master in Measure.

3.5.3 E

XAMPLES OF

A

NALOG

O

UTPUT

E

XTENDED

M

ODE

The Host computer is used only to configure the ICP DAS I-7024 ® modules and the

Anemometer, or for debug. The Analog Outputs of the module, converge for storage in the datalogger DeltaOhm HD32MT.1, placed close to the module. The journey of analog signals is very short, so it is not affected by electromagnetic interferences.

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F

IG

.

1 HD2003 C

ONNECTOR

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26 pole CONNECTOR

C

T

S

P

U b a

N

B

A

R c

Z

M

D

Y

L

E

V

K

F

W

X

Connector

Label

H

J

G

Symbol

PWR-

PWR+ Positive Power Supply

PWR+ (Tx -) Positive Power Supply

SG

TXD

RXD

OUTV1

OUTV2

OUTV3

OUTV4

OUTV5

REF

OUTmA1

OUTmA2

OUTmA3

OUTmA4

OUTmA5

Q0

Q1

Q2

Q3

Q4

SHIELD

Description

Negative Power Supply

Ground RS232

Tx data RS232

Rx data RS232

Analog Out voltage 1

Analog Out voltage 2

Analog Out voltage 3

Analog Out voltage 4

Analog Out voltage 5

Analog ground of voltage

Analog Out current 1

Analog Out current 2

Analog Out current 3

Analog Out current 4

Analog Out current 5

Reserved

Reserved

Reserved

Reserved

Reserved

Shielding

The columns Symbol and Description indicate, in brackets, the significance of the four PIN used in RS422 4-wire full duplex mode (On Request).

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4.

HOW TO ORDER

When ordering, you should specify the Order Code, according to the type of Anemometer and the desired cable and/or plug.

4.1

O

RDER

C

ODES

Order Code Description

HD2003

HD2003.R

HD2003.1

Three-Axis Ultrasonic Anemometer with internal sensors of Pressure

Temperature – Relative Humidity

Three-Axis Ultrasonic Anemometer with internal sensors of Pressure

Temperature – Relative Humidity, with Heaters Option

Three-Axis Ultrasonic Anemometer

HD2003.1R

Three-Axis Ultrasonic Anemometer with Heaters Option

CP2003.5

CP2003.10

CP2003.C

RS2003

Cable Ф=8mm, length=5m, and 26 pole shielded watertight plug

(only on one end)

Cable Ф=8mm, length=10m, and 26 pole shielded watertight plug

(only on one end)

26 pole watertight plug Tyco® 62IN-16A-16-26S-4 0445

(for plug pin, see Fig.1 – HD2003 Connector)

Cable with a USB connector on one side and 26-pin connector waterproof from the other, with 12Vdc plug for main power supply

ICP DAS I-7024 CR® Module for Extended Analog Output mode. Indicate how many modules (up to a maximum of 3) and which configuration is needed

ICP DAS I-7520 CR® Converting module RS232/RS485 for the RS485 Multidrop mode and the Extended Analog Output mode

C205M

USB-RS232 converter cable with USB connector on one side and a

9-pin male connector on the other

Also, it is fundamental to specify whether any of the following is requested:

HD2003 and HD2003.1 Model: the integrated circuit for RS422 4-wire full duplex communication.

HD2003 Model: to extend the output quantities by using external sensors, with analog output signal 0-1V to be connected to the anemometer as input sensors. Specify how many sensors are used (up to a maximum of two) and their range so for linearization of the scale

0-1V.

HD2003.1 Model: to extend the output quantities by using external sensors, with analog output signal 0-1V to be connected to the anemometer as input sensors. Specify how many sensors are used (up to a maximum of five) and their range so for linearization of the scale

0-1V.

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HD2003 M

ODEL

D

EFAULT

A

NALOG

O

UTPUT

T

ERMINALS

When the Anemometer HD2003 model comes out of the factory, has a default configuration for the measuring quantities available at the terminals of the Analog Outputs.

For a personalized choice of measuring quantities to be combined with Analog Outputs, please refer to Chapter 3.2.3.6.

For the table of the Analog Output PINS please refer to 26 pole CONNECTOR page 35.

 5 Analog Outputs in voltage, 0÷1V, 0÷5V, 0÷10V, 1÷5V

Analog Out

+V

Measurement Quantities

OUTV1 Speed of Wind

OUTV2

OUTV3

OUTV4

Direction (Azimuth)

Pressure

Temperature

OUTV5 Relative Humidity

The NEGATIVE pole –V is available at the pole D (REF) of the HD2003 connector (Chap.

2.4.5)

5 Analog Outputs in current, 0-20mA, 4-20mA

Analog Out

+mA

Measurement Quantities

OUTmA1 Speed of Wind

OUTmA2 Direction (Azimuth)

OUTmA3

OUTmA4

Pressure

Temperature

OUTmA5 Relative Humidity

The NEGATIVE pole –mA is available at the pole J (PWR-) of the HD2003 connector (Cap.

2.4.5)

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HD2003.1

M

ODEL

D

EFAULT

A

NALOG

O

UTPUT

T

ERMINALS

When the Anemometer HD2003.1 model comes out of the factory, has a default configuration for the measuring quantities available at the terminals of the Analog Outputs.

For a personalized choice of measuring quantities to be combined with Analog Outputs, please refer to Chapter 3.2.3.6.

For the table of the Analog Output PINS please refer to 26 pole CONNECTOR page 35.

 5 Analog Outputs in voltage, 0÷1V, 0÷5V, 0÷10V, 1÷5V

Analog Out

+V

Measurement Quantities

OUTV1 Speed of Wind

OUTV2

OUTV3

OUTV4

Direction (Azimuth)

Sonic Temperature

Compass

OUTV5 -Free-

The NEGATIVE pole –V is available at pole D (REF) of the HD2003 connector (Chap. 2.4.5)

5 Analog Outputs in current, 0-20mA, 4-20mA

Analog Out Measurement Quantities

+mA

OUTmA1 Speed of Wind

OUTmA2

OUTmA3

OUTmA4

Direction (Azimuth)

Sonic Temperature

Compass

OUTmA5 -Free-

The NEGATIVE pole –mA is available at pole J (PWR-) of the HD2003 connector (Chap.

2.4.5)

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A

CCESSORIES

A

NEMOMETERS

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CERTIFICATO DI CONFORMITÀ DEL COSTRUTTORE

MANUFACTURER’S CERTIFICATE OF CONFORMITY

rilasciato da

issued by

DELTA OHM SRL

STRUMENTI DI MISURA

DATA

DATE

2013/06/05

Si certifica che gli strumenti sotto riportati hanno superato positivamente tutti i test di produzione e sono conformi alle specifiche, valide alla data del test, riportate nella documentazione tecnica.

We certify that below mentioned instruments have been tested and passed all production tests, confirming compliance with the manufacturer's published specification at the date of the test.

La riferibilità delle misure ai campioni internazionali e nazionali è garantita da una catena di riferibilità che ha origine dalla taratura dei campioni di prima linea dei laboratori accreditati di Delta OHM presso l’Istituto Primario Nazionale di Ricerca

Metrologica.

The traceability of measures assigned to international and national reference samples is guaranteed by a reference chain which source is the calibration of Delta OHM accredited laboratories reference samples at the Primary National Metrological Research Institute.

Tipo Prodotto:

Product Type:

Nome Prodotto:

Product Name:

Anemometro ad Ultrasuoni a Tre Assi

Three-Axis Ultrasonic Anemometer

HD2003 - HD2003.1

DELTA OHM SRL

35030 Caselle di Selvazzano (PD) Italy

Via Marconi, 5

Tel. +39.0498977150 r.a. - Telefax +39.049635596

Cod. Fisc./P.Iva IT03363960281 - N.Mecc. PD044279

R.E.A. 306030 - ISC. Reg. Soc. 68037/1998

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GUARANTEE

TERMS OF GUARANTEE

All DELTA OHM instruments are subject to accurate testing, and are guaranteed for 24 months from the date of purchase. DELTA OHM will repair or replace free of charge the parts that, within the warranty period, shall be deemed non efficient according to its own judgement. Complete replacement is excluded and no damage claims are accepted. The DELTA OHM guarantee only covers instrument repair. The guarantee is void in case of incidental breakage during transport, negligence, misuse, connection to a different voltage than that required for the appliance by the operator. Finally, a product repaired or tampered by unauthorized third parties is excluded from the guarantee. The instrument shall be returned

FREE OF SHIPMENT CHARGES to your dealer. The Italia Law and the jurisdiction of Padua, Italy, applies in any dispute.

RENEWALS

Date

Date

Date

The electrical and electronic equipment marked with this symbol cannot be disposed of in public landfills. According to the UE Directive 2002/96/EC, the European users of electrical and electronic equipment can return it to the dealer or manufacturer upon purchase of a new one.

The illegal disposal of electrical and electronic equipment is punished with an administrative fine.

This guarantee must be sent together with the instrument to our service centre.

N.B.: Guarantee is valid only if coupon has been correctly filled in all details.

Instrument type

Serial Number

Inspector

Inspector

Inspector

HD2003

HD2003.1

HD2003.R

HD2003.1.R

Date

Inspector

Date

Inspector

Date

Inspector

CE CONFORMITY

The product complies with 2004/108/CE (EMC) and 2006/95/CE (low voltage) directives, and meets the requirements of the following technical standards:

Safety

Electrostatic discharge immunity test

Radiated, radio-frequency, electromagnetic field immunity

Electrical fast transient/burst immunity

Immunity to conducted disturbances, induced by RF fields

Voltage dips, short interruptions and voltage variations immunity

EN61010-1

EN61000-4-2 Level 3

EN61000-4-3 Level 3

EN61000-4-4 Level 3

EN61000-4-6

EN61000-4-11

Radio disturbance characteristics (conducted and radiated emissions) EN55022:2007 class B

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