Vaisala Nomad 3 Datalogger User manual

USER’S GUIDE

NOMAD

®

3

DATA LOGGER

M211756EN-A

NOMAD 3 USER’S GUIDE

PUBLISHED BY

Vaisala Oyj Phone (int.): +358 9 8949 1

P.O. Box 26 Fax: +358 9 8949 2227

FI-00421 Helsinki

Finland

Visit our Internet pages at www.vaisala.com.

FOR TECHNICAL INFORMATION

Vaisala Inc. Toll free (US) 1 877 824 7252

Boulder Operations In the Americas

+1 888 VAISALA

194 South Taylor Avenue Europe, Asia, & Pacific: +358 9 8949 2658

Louisville, CO 80027 windenergy.support@vaisala.com

USA

No part of this manual may be reproduced, published or publicly displayed in any form or by any

means, electronic or mechanical (including photocopying), nor may its contents be modified,

translated, adapted, sold or disclosed to a third party without prior written permission of the

copyright holder. Translated manuals and translated portions of multilingual documents are based

on the original English versions. In ambiguous cases, the English versions are applicable, not the

translations.

The contents of this manual are subject to change without prior notice.

This manual does not create any legally binding obligations for Vaisala towards customers or end

users. All legally binding obligations and agreements are included exclusively in the applicable

supply contract or the General Conditions of Sale and General Conditions of Service of Vaisala.

NOMAD 3 USER’S GUIDE

VAISALA i

TABLE OF CONTENTS

CHAPTER 1 GENERAL INFORMATION AND REQUIREMENTS ....................................... 1-1

1.1 ABOUT THIS MANUAL .................................................................................................................... 1-1

1.1.1 Contents of This Manual .................................................................................................................. 1-1

1.1.2 Version Information .......................................................................................................................... 1-1

1.1.3 Related Manuals ............................................................................................................................... 1-1

1.2 SAFETY................................................................................................................................................ 1-2

1.2.1 Safety Precautions ............................................................................................................................ 1-2

1.2.2 ESD Protection ................................................................................................................................. 1-2

1.3 RECYCLING ........................................................................................................................................ 1-3

1.4 REGULATORY COMPLIANCES ...................................................................................................... 1-3

1.5 TRADEMARKS ................................................................................................................................... 1-3

1.6 SOFTWARE LICENSE ........................................................................................................................ 1-3

1.7 WARRANTY........................................................................................................................................ 1-4

CHAPTER 2 TECHNICAL DESCRIPTION ................................................................................ 2-1

2.1 INTRODUCTION ................................................................................................................................ 2-1

2.2 THEORY OF OPERATION ................................................................................................................. 2-1

2.2.1 Nomad 3 Data Logger ...................................................................................................................... 2-2

2.2.2 Sensors .............................................................................................................................................. 2-2

2.2.2.1 Counter Inputs ........................................................................................................................................ 2-3

2.2.2.2 Analog Inputs ......................................................................................................................................... 2-4

2.2.3 Remote Communications .................................................................................................................. 2-6

CHAPTER 3 INSTALLATION ....................................................................................................... 3-1

3.1 I

NTRODUCTION ................................................................................................................................ 3-1

3.2 STANDARD DATA LOGGER PACKING LIST................................................................................ 3-1

3.3 TOOLS AND EQUIPMENT ................................................................................................................ 3-2

3.4 SITE INFORMATION ......................................................................................................................... 3-2

3.5 UNPACKING AND REPACKING ...................................................................................................... 3-2

3.6 SITE SAFETY ...................................................................................................................................... 3-2

3.7 PRE-INSTALLATION PREPARATION ............................................................................................ 3-3

3.8 SKYSERVE CREDENTIALS & ACTIVATION ................................................................................ 3-3

3.8.1 Create an Admin SkyServe Account ................................................................................................ 3-3

3.8.2 Create a General User SkyServe Account ........................................................................................ 3-4

3.8.3 Activate the Nomad 3 ....................................................................................................................... 3-7

3.9 INSTALLATION PROCEDURES ....................................................................................................... 3-8

3.9.1 Modem Provisioning (Optional) ....................................................................................................... 3-8

3.9.1.1 SIM Card Installation ............................................................................................................................. 3-8

3.9.1.2 Standard Modem Antenna Installation ................................................................................................. 3-10

3.9.1.3 Yagi Modem Antenna and Lightning Protection Installation ............................................................... 3-11

3.9.2 Tower Mounting ............................................................................................................................. 3-13

3.9.3 Grounding Enclosure ...................................................................................................................... 3-14

3.9.4 Connect Power Source .................................................................................................................... 3-15

3.9.5 Connect Sensors to Data Logger .................................................................................................... 3-17

3.9.5.1 Analog Output Sensors Using Differential Input Mode wiring ............................................................ 3-22

3.9.5.2 Sensors with Reed Switches Wiring ..................................................................................................... 3-24

3.9.5.3 Multiple Sensor Wiring ........................................................................................................................ 3-25

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ii M211756EN-A

3.9.5.4

Anemometer Wiring ............................................................................................................................. 3-26

3.10 INSPECTION ..................................................................................................................................... 3-27

3.11 PHYSICAL SECURITY ..................................................................................................................... 3-27

CHAPTER 4 NOMAD 3 TOOLBOX .............................................................................................. 4-1

4.1 INTRODUCTION ................................................................................................................................ 4-1

4.1.1 Accessing the Online Nomad 3 Toolbox .......................................................................................... 4-1

4.1.2 Installing the Offline Nomad 3 Toolbox ........................................................................................... 4-2

4.2 SITE SETUP ......................................................................................................................................... 4-3

4.2.1 Online Toolbox Site Setup ................................................................................................................ 4-3

4.2.2 Offline Toolbox Site Setup ............................................................................................................... 4-4

4.3 INPUT SETUP ...................................................................................................................................... 4-5

4.3.1 Online Toolbox Input Setup ............................................................................................................. 4-5

4.3.2 Offline Toolbox Input Setup ............................................................................................................. 4-8

4.4 MODEM SETUP ................................................................................................................................ 4-12

4.4.1 Online Toolbox Modem Setup ....................................................................................................... 4-12

4.4.2 Offline Toolbox Modem Setup ....................................................................................................... 4-13

4.5 EMAIL SETUP ................................................................................................................................... 4-15

4.5.1 Online Toolbox Email Setup .......................................................................................................... 4-15

4.5.2 Offline Toolbox Email Setup .......................................................................................................... 4-16

4.6 FTP SETUP......................................................................................................................................... 4-17

4.6.1 Online Toolbox FTP Setup ............................................................................................................. 4-17

4.6.2 Offline Toolbox FTP Setup ............................................................................................................ 4-18

4.7 SKYSERVE SETUP ........................................................................................................................... 4-20

4.7.1 Online Toolbox SkyServe Setup..................................................................................................... 4-20

4.7.2 Offline Toolbox SkyServe Setup .................................................................................................... 4-21

4.8 ENCRYPTION SETUP ...................................................................................................................... 4-23

4.8.1 Online Toolbox Encryption Setup .................................................................................................. 4-24

4.9 EDIT SETUP FILES ........................................................................................................................... 4-25

4.9.1 Online Toolbox Editing Setup Files ............................................................................................... 4-25

4.9.2 Offline Toolbox Editing Setup Files ............................................................................................... 4-25

CHAPTER 5 ON SITE OPERATIONS .......................................................................................... 5-1

5.1 INTRODUCTION ................................................................................................................................ 5-1

5.2 POWER ON/OFF PROCEDURES....................................................................................................... 5-1

5.2.1 Power On Procedure ......................................................................................................................... 5-1

5.2.2 Power OFF Procedure ....................................................................................................................... 5-1

5.3 DATA LOGGER MENUS ................................................................................................................... 5-2

5.3.1 STATUS Menu ................................................................................................................................. 5-5

5.3.2 DATA Menu ..................................................................................................................................... 5-6

5.3.2.1 View Inputs ............................................................................................................................................ 5-7

5.3.2.2 View Setup of Inputs .............................................................................................................................. 5-8

5.3.3 SECURITY Menu ............................................................................................................................ 5-9

5.3.4 MODEM Menu ................................................................................................................................. 5-9

5.3.4.1 MODEM VIEW SETUP ...................................................................................................................... 5-10

5.3.4.2 MODEM SET TIME TEST ................................................................................................................. 5-11

5.3.4.3 MODEM Call Log ................................................................................................................................ 5-11

5.3.5 SKYSERVE Menu ......................................................................................................................... 5-12

5.3.5.1 SKYSERVE VIEW Setup .................................................................................................................... 5-12

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5.3.5.2

SKYSERVE Ping Test ......................................................................................................................... 5-13

5.3.5.3 SKYSERVE Call Log .......................................................................................................................... 5-14

5.3.6 EMAIL Menu ................................................................................................................................. 5-14

5.3.6.1 EMAIL VIEW Setup ............................................................................................................................ 5-15

5.3.6.2 EMAIL Send Test ................................................................................................................................ 5-16

5.3.6.3 EMAIL Call Log .................................................................................................................................. 5-16

5.3.7 FTP Menu ....................................................................................................................................... 5-17

5.3.7.1 FTP VIEW Setup.................................................................................................................................. 5-17

5.3.7.2 FTP Send Test ...................................................................................................................................... 5-18

5.3.7.3 FTP Call Log ........................................................................................................................................ 5-19

5.3.8 SYSTEM Menus ............................................................................................................................. 5-20

5.4 OPERATIONAL PROCEDURES ...................................................................................................... 5-21

5.4.1 Log In/OUT Procedures ................................................................................................................. 5-21

5.4.1.1 Enable PIN Procedure .......................................................................................................................... 5-22

5.4.1.2 LOGOUT Procedure ............................................................................................................................ 5-22

5.4.1.3 LOGIN Procedure ................................................................................................................................ 5-23

5.4.1.4 Change LOGIN PIN Procedures .......................................................................................................... 5-23

5.4.1.5 Disable LOGIN PIN Procedure ............................................................................................................ 5-26

5.4.1.6 LOGIN PIN Recovery Procedure ......................................................................................................... 5-28

5.4.2 Loading Setup Files ........................................................................................................................ 5-29

5.4.2.1 Import Site Setup Files To Data Logger with USB Drive .................................................................... 5-29

5.4.3 Export Setup Files ........................................................................................................................... 5-31

5.4.4 Export Data Files ............................................................................................................................ 5-32

5.4.5 D

ata File Conversion Procedures ................................................................................................... 5-33

5.4.5.1 Convert Data Using Online Toolbox .................................................................................................... 5-33

5.4.5.2 Convert Encrypted Data Using Online Toolbox .................................................................................. 5-34

5.4.5.3 Convert Data Using Offline Toolbox ................................................................................................... 5-36

5.4.6 Firmware Update Procedure ........................................................................................................... 5-37

5.4.7 Export Log Files ............................................................................................................................. 5-38

5.5 MONITOR SITES WITH FLEET STATUS VIEW ........................................................................... 5-39

5.5.1 Assign Sites .................................................................................................................................... 5-39

5.5.2 View Fleet Status ............................................................................................................................ 5-40

CHAPTER 6 TROUBLESHOOTING ............................................................................................ 6-1

6.1 INTERFACE ALERTS ......................................................................................................................... 6-1

6.2 LOST PIN ............................................................................................................................................. 6-1

6.3 COMMUNICATIONS .......................................................................................................................... 6-2

6.3.1 Modem .............................................................................................................................................. 6-2

6.3.2 Email ................................................................................................................................................. 6-4

6.3.3 FTP ................................................................................................................................................... 6-4

6.3.4 SkyServe ........................................................................................................................................... 6-5

6.4 DATA CONVERSION/ENCRYPTION .............................................................................................. 6-5

6.5 EXPORTING FILES ............................................................................................................................ 6-5

6.6 INPUTS & SENSORS .......................................................................................................................... 6-6

6.7 GPS ....................................................................................................................................................... 6-7

6.8 TIMEKEEPING .................................................................................................................................... 6-8

6.9 ENVIRONMENTAL ............................................................................................................................ 6-9

6.10 S

KYSERVE NOMAD 3 ACCOUNT MANAGER............................................................................ 6-11

6.11 CONTACT INFORMATION AND ONLINE RESOURCES ........................................................... 6-12

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iv M211756EN-A

LIST OF FIGURES

Figure 2-1 Nomad 3 Theory of Operation Diagram .................................................................................. 2-1

Figure 2-2 Nomad 3 Data Logger ............................................................................................................. 2-2

Figure 2-3 Input with 0V Threshold ......................................................................................................... 2-3

Figure 2-4 Input with 1.4V Threshold ...................................................................................................... 2-4

Figure 2-5 Analog Potentiometer Wind Vane Toolbox Setup ................................................................... 2-5

Figure 2-6 Wind Vane Wired for Single-Ended Mode .............................................................................. 2-5

Figure 2-7 PTB110 Wired for Differential Mode ..................................................................................... 2-6

Figure 3-1 Data Logger Enclosure Front Panel Removal & GSM Modem ................................................ 3-9

Figure 3-2 Standard Modem Antenna Cable Routing in Data Logger Enclosure ..................................... 3-10

Figure 3-3 Yagi Antenna & Lightning Arrestor Cable Routing .............................................................. 3-11

Figure 3-4 Data Logger Enclosure-Tower Mounting .............................................................................. 3-13

Figure 3-5 Ground Wire Connections ..................................................................................................... 3-14

Figure 3-6 Nomad 3 to Power Enclosure Wiring .................................................................................... 3-15

Figure 3-7 Input Types and Sensor Wiring ............................................................................................. 3-19

Figure 3-8 Sensor Connection for Vaisala Low Power Sensors .............................................................. 3-20

Figure 3-9 Sensor Connection for NRG Low Power Sensors .................................................................. 3-21

Figure 3-10 Temperature and Humidity Probe Wiring ............................................................................ 3-22

Figure 3-11 Barometer Wiring ............................................................................................................... 3-23

Figure 3-12 Reed Switch Rain Gauge Wiring ......................................................................................... 3-24

Figure 3-13 Reed Switch Anemometer Wiring ....................................................................................... 3-24

Figure 3-14 Multiple Counter Sensors Wiring ........................................................................................ 3-25

Figure 3-15 Multiple Analog Sensor Wiring .......................................................................................... 3-25

Figure 3-16 Vector Pulse Output Anemometer Wiring ........................................................................... 3-26

F

igure 3-17 Thies First Class Pulse Output Anemometer Wiring ........................................................... 3-26

Figure 3-18 Ornytion AC Output Anemometer Wiring ........................................................................... 3-27

Figure 4-1 Encryption Management Workflow ...................................................................................... 4-23

Figure 5-1 Main Window Indicators ......................................................................................................... 5-2

Figure 5-2 Data Logger Menus ................................................................................................................. 5-3

Figure 5-3 STATUS Menu Options .......................................................................................................... 5-5

Figure 5-4 DATA Menu Options .............................................................................................................. 5-6

Figure 5-5 Input Blocks ........................................................................................................................... 5-7

Figure 5-6 VIEW SETUP Menu Options .................................................................................................. 5-8

Figure 5-7 SECURITY Menu Options ...................................................................................................... 5-9

Figure 5-8 MODEM Menu Options (disabled and enabled) ...................................................................... 5-9

Figure 5-9 MODEM Setup ..................................................................................................................... 5-10

Figure 5-10 MODEM Time Set .............................................................................................................. 5-11

Figure 5-11 MODEM Call Log .............................................................................................................. 5-11

Figure 5-12 SKYSERVE Menu Options (disabled and enabled) ............................................................. 5-12

Figure 5-13 SKYSERVE Setup .............................................................................................................. 5-12

Figure 5-14 SKYSERVE Ping Test ........................................................................................................ 5-13

NOMAD 3 USER’S GUIDE

VAISALA v

Figure 5-15 SKYSERVE Call Log ......................................................................................................... 5-14

Figure 5-16 EMAIL Menu Options (disabled and enabled) .................................................................... 5-14

Figure 5-17 EMAIL Setup ...................................................................................................................... 5-15

Figure 5-18 EMAIL Send Test ............................................................................................................... 5-16

Figure 5-19 EMAIL Call Log ................................................................................................................. 5-16

Figure 5-20 FTP Menu Options (disabled and enabled) .......................................................................... 5-17

Figure 5-21 FTP Setup ........................................................................................................................... 5-17

Figure 5-22 FTP Send Test..................................................................................................................... 5-18

Figure 5-23 FTP Call Log ...................................................................................................................... 5-19

Figure 5-24 SYSTEM Menu Options ..................................................................................................... 5-20

Figure 5-25 PIN Enabled/Disabled Main Menu Views ........................................................................... 5-21

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vi M211756EN-A

LIST OF TABLES

Table 1-1 Manual Revisions .............................................................................................................. 1-1

Table 1-2 Related Manuals................................................................................................................ 1-1

Table 5-1 Data Logger Menus Description ........................................................................................ 5-4

Table 5-2 STATUS Menu Options Description ................................................................................. 5-6

Table 5-3 DATA Menu Options Description ..................................................................................... 5-6

Table 5-4 Input Blocks Description ................................................................................................... 5-7

Table 5-5 VIEW SETUP Menu Options Description ......................................................................... 5-8

Table 5-6 SECURITY Menu Options Description ............................................................................. 5-9

Table 5-7 MODEM Menu Options Description ................................................................................. 5-9

Table 5-8 MODEM Setup Menu List Descriptions .......................................................................... 5-10

Table 5-9 MODEM Set Time Test Sequence Descriptions .............................................................. 5-11

Table 5-10 SKYSERVE Menu Options Description .......................................................................... 5-12

Table 5-11 SKYSERVE Ping Test Sequence Descriptions ................................................................ 5-13

Table 5-12 EMAIL Menu Options Description ................................................................................. 5-14

Table 5-13 EMAIL Send Test Sequence Descriptions ....................................................................... 5-15

Table 5-14 EMAIL Send Test Sequence Descriptions ....................................................................... 5-16

Table 5-15 FTP Menu Options Descriptions ..................................................................................... 5-17

Table 5-16 FTP Setup Options Descriptions ..................................................................................... 5-18

Table 5-17 FTP Send Test Sequence Descriptions ............................................................................ 5-18

Table 5-18 SYSTEM Menu Options Description .............................................................................. 5-20

NOMAD 3 USER’S GUIDE

VAISALA 1-1

CHAPTER 1 GENERAL INFORMATION AND REQUIREMENTS

1.1 ABOUT THIS MANUAL

This manual provides information for installing, operating, and maintaining the Nomad 3 Data

Logger.

1.1.1 CONTENTS OF THIS MANUAL

This manual consists of the following chapters:

• CHAPTER 1 GENERAL INFORMATION AND REQUIREMENTS: This chapter provides

general information for the Nomad 3 Data Logger.

• CHAPTER 2 TECHNICAL DESCRIPTION: This chapter provides a simplified theory of

operations for the Nomad 3 Data Logger.

• CHAPTER 3 INSTALLATION: This chapter provides information and procedures to install the

Nomad 3 Data Logger.

• CHAPTER 4 NOMAD 3 TOOLBOX: This chapter provides the procedures for configuring the

Nomad 3 Data Logger.

• CHAPTER 5 ON SITE OPERATIONS: This chapter provides the procedures for operating the

Nomad 3 Data Logger.

• CHAPTER 6 TROUBLESHOOTING: This chapter provides the procedures for troubleshooting

the Nomad 3 Data Logger.

1.1.2 VERSION INFORMATION

Table 1-1 Manual Revisions

Manual Code

Description

M211

756EN-A

July 2015.

Nomad 3 User’s Guide initial release

1.1.3 RELATED MANUALS

For documentation updates, please visit www.vaisala.com/nomad3.

Table 1-2 Related Manuals

Manual Code

Manual Name

M211790EN

Nomad 3 Quick Start Guide

NOMAD 3 USER’S GUIDE

1-2 M211756EN-A

1.2 SAFETY

Throughout the manual, important safety considerations are highlighted as follows:

WARNING

Warning alerts you to a serious hazard. If you do not read and follow

instructions very carefully at this point, there is a risk of injury or even death.

CAUTION

Caution warns you of a potential hazard. If you do not read and follow

instructions carefully at this point, the product could be damaged or important

data could be lost.

NOTE

Note highlights important information on using the product.

1.2.1 SAFETY PRECAUTIONS

The Nomad 3 Data Logger delivered to you has been tested for safety and approved as shipped from

the factory. Note the following precautions:

WARNING

Ground the product and verify outdoor installation grounding periodically to

minimize shock hazard.

CAUTION

Do not modify the unit. Improper modification can damage the product or lead

to malfunction.

1.2.2 ESD PROTECTION

Electrostatic Discharge (ESD) can cause immediate or latent damage to electronic circuits. Vaisala

products are adequately protected against ESD for their intended use. It is possible to damage the

product, however, by delivering electrostatic discharges when touching, removing, or inserting any

objects inside the equipment housing. To make sure you are not delivering high static voltages

yourself:

• Handle ESD sensitive components on a properly grounded and protected ESD workbench.

• When an ESD workbench is not available, ground yourself to the equipment chassis with a wrist

strap and a resistive connection cord.

• If you are unable to take either of the above precautions, touch a conductive part of the

equipment chassis with your other hand before touching ESD sensitive components.

• Always hold component boards by the edges and avoid touching the component contacts.

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VAISALA 1-3

1.3 RECYCLING

Recycle all applicable material.

Dispose of batteries and the unit according to statutory regulations.

Do not dispose of with regular household refuse.

1.4 REGULATORY COMPLIANCES

The Nomad 3 Data Logger complies with the following performance and environmental test

standards:

1.5 TRADEMARKS

Vaisala

®

is a registered trademark of Vaisala Oyj

Nomad

®

is a registered trademark of Vaisala Oyj

SkyServe

®

is a registered trademark of Vaisala Oyj

Velcro

®

is a registered trademark of Velcro Industries B.V.

Windographer

TM

is a trademark of AWS TruePower LLC

1.6 SOFTWARE LICENSE

This product contains software developed by Vaisala. Use of the software is governed by license

terms and conditions included in the applicable supply contract or, in the absence of separate license

terms and conditions, by the General License Conditions of Vaisala Group.

This product may contain open source software (OSS) components. In the event this product

contains OSS components, then such OSS is governed by the terms and conditions of the applicable

OSS licenses, and you are bound by the terms and conditions of such licenses in connection with

your use and distribution of the OSS in this product. Applicable OSS licenses are included in the

product itself or provided to you on any other applicable media, depending on each individual

product and the product items delivered to you.

The software licenses may be viewed at www.vaisala.com/nomad3.

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1.7 WARRANTY

The Vaisala Nomad 3 Data Logger comes with a standard 12 month warranty. For standard

warranty terms and conditions, visit www.vaisala.com/warranty.

Please observe that any such warranty may not be valid in case of damage due to normal wear and

tear, exceptional operating conditions, negligent handling or installation, or unauthorized

modifications. Please see the applicable supply contract or Conditions of Sale for details of the

warranty for each product.

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VAISALA 2-1

CHAPTER 2 TECHNICAL DESCRIPTION

2.1 INTRODUCTION

The Nomad 3 Data Logger is used in both the wind and solar energy industries to record

environmental measurements made by the leading manufacturers of anemometers, wind vanes,

pressure, temperature, and humidity sensors, pyranometers, and many other sensors available on the

market today. Nomad 3 is used in wind and solar resource assessment and condition monitoring for

renewable energy applications.

While most commonly used as part of a meteorological tower installation, Nomad 3 can also be used

as part of a weather station and in more specialized applications.

2.2 THEORY OF OPERATION

The Nomad 3 Data Logger and supporting software comprise an easy-to-use system for measuring

and recording wind speed, direction, temperature, pressure, and other environmental variables.

Figure 2-1 summarizes the operation of the Nomad 3.

1. The user logs onto the Vaisala SkyServe website.

2. The Nomad 3 Toolbox is used to create Nomad 3 setup files to enable site information, sensor

configuration, telemetry, data transfer and data security.

3. The setup files are transferred to the Nomad 3 with a USB flash drive. Vaisala provides an

offline version of the Nomad 3 Toolbox for users without internet access referred to as the

Offline Nomad 3 Toolbox.

4. When installed in the field, the Nomad 3 records sensor data which can be exported to a USB

flash drive.

5. Nomad 3 can also send data via email or FTP if a modem is present and telemetry is enabled

using an active SIM card.

Figure 2-1 Nomad 3 Theory of Operation Diagram

SkyServe

Setup Files Data File

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2.2.1 NOMAD 3 DATA LOGGER

The Nomad 3 offers advanced functionality and simplified installation while reducing system costs.

• The Nomad 3 Toolbox contains a list of a number of market-leading weather sensors with pre-

loaded parameters for use. Custom slopes and offsets may also be loaded for these sensors as

well as other sensors not listed.

• Utilize up to 12 counter inputs, and 12 analog single-ended or 6 analog differential inputs.

• GPS maintains precise time synchronization.

• Smart power management extends battery life and an optional solar package keeps the system

running even longer. The Nomad 3 can also be directly powered from a 12VDC power source.

• Remote communication options offer many ways to transmit data via Email and FTP. Once

activated on SkyServe

through the Nomad 3 Account Manager, the Nomad 3 can send regular

status updates for effective device health monitoring.

Figure 2-2 Nomad 3 Data Logger

2.2.2 SENSORS

The Nomad 3 Data Logger is designed to work with a majority of market-leading anemometers,

wind vanes, and other environmental sensors used in the wind and solar industries;

• Anemometers to measure wind speed

• Wind vanes to measure wind direction

• Sensors to measure temperature, humidity, pressure, voltage and other weather and power

conditions

There are currently two types of sensor interfaces supported by the Nomad 3:

• The anemometer circuits are designed to count on/off pulses and are called Counter Inputs.

• The Analog Input interface circuitry connects to voltage-output devices. The Nomad 3 input

circuits can be configured by creating an Input Setup file and loading it onto the logger with a

USB flash drive.

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VAISALA 2-3

2.2.2.1 COUNTER INPUTS

Nomad 3 counter inputs (CTR) are designed to measure and record wind speed or other frequency-

based data. Nomad 3 Toolbox Input Setup files control three (3) fundamental settings for each CTR

that is activated:

• Slope: engineering units/Hz (e.g. Meters/second)

• Offset: engineering units (e.g. Meters/second)

• Threshold: either 0V or 1.4V

The counter inputs can be configured to operate in two (2) different modes corresponding to the two

(2) most frequently used types of anemometers.

The first is an alternating current (AC) output anemometer. These devices are self-powered and are

preferred for extremely low power applications. The transducer consists of a magnet connected to

the rotating anemometer cups or propeller and a stationary pick-up coil. The AC output signal

frequency is in direct proportion to the rotational speed and is the basis of the measurement. The

input circuits trigger a pulse count when the AC signal crosses zero (ground) potential whether the

signal is rising or falling. This is designated as 0V threshold in the Input Setup file as shown in

Figure 2-3.

Figure 2-3 Input with 0V Threshold

The circuit used in the 0V threshold mode is designed for the outputs typical of anemometers. As the

measured input frequency increases, the peak-to-peak voltage also increases and the input circuit’s

minimum voltage threshold is a function of frequency. The circuit employs a low-pass filter to reject

noise that might be induced in the sensor cable. The highest frequency that can be measured in this

mode is 1400 Hz. Figure 3-14 shows two (2) SW/Vaisala C3 anemometers wired to the Nomad 3

counter inputs.

The second threshold mode is for a square-wave output anemometer. These types of sensors require

12V power and are selected to minimize current use. The sensor’s transducer is typically an "optical-

chopper" where a signal from an LED light source is interrupted by a slotted disc rotating on the

sensor’s shaft. The output voltage is determined by the 12V supply decreased by the

photodiode/detector loss. The input circuits trigger a pulse count when the signal crosses 1.4 volts

potential whether the signal is increasing or decreasing. This is designated as 1.4V threshold in the

Input Setup file as shown in Figure 2-4.

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Figure 2-4 Input with 1.4V Threshold

Refer to Figure 3-17 to see how these sensors are typically wired. The 1.4V threshold setup is also

used for rain gauges and reed switch devices to discern High vs. Low. This typically requires using a

10 k-ohm pull-up resistor between the CTR input and 12V. For example, reed-switch anemometers

are setup this way as shown in Figure 3-13. The highest frequency that can be measured in this mode

is approximately 2 kHz.

The 1.4V threshold is also used when the CTR input is used as a State input. The State input is used

when a simple On/Off state is to be measured and recorded.

2.2.2.2 ANALOG INPUTS

Nomad 3 has 12 analog (AN) inputs which can be used in either single-ended mode or in differential

mode. The Input Setup file controls the voltage range of the input and whether it is used as single-

ended or paired for a differential sensor.

• Differential mode requires two (2) available AN inputs in the same connector block.

• Single-Ended Mode designates a voltage measurement made with respect to ground and is the

most commonly used mode. In this mode any of the 12 analog inputs can be configured to

measure the voltage output of a sensor. This mode is typical for standard potentiometer wind

vanes which use the 2.5V excitation voltage. Other voltage output sensors require 12V power

from the Nomad 3 and are called active sensors. The Nomad 3 Toolbox provides default setups

for a variety of analog temperature, humidity, and pressure sensors. The required settings for

these sensors are range (2.5V or 5.0V) and scaling (slope and offset). Refer to Figure 3-8 for

wiring examples of single ended type sensors.

Analog inputs can be setup in sample mode for slowly varying measurements like temperature or

barometric pressure. This type of setup uses the 12 volt switched power (12V SW) to minimize

battery use. The 12 volt supply is turned on continuously when viewing analog inputs on the GUI

screen.

The Nomad 3 also has 2.5V excitation for passive sensors like potentiometer vanes and the

SW/Vaisala thermistor. The 2.5V is pulsed for a brief period (approx. 12 milliseconds) during each

1-second sample to save power. The 2.5 volt supply is turned on continuously when viewing analog

inputs on the GUI screen.

The input setup for analog wind vanes is different than for other types of single-ended analog

sensors. An input setup file for analog wind vanes includes settings to note the position and size of

the North mark, called the deadband for potentiometer vanes. The deadband is the region where the

sensor is unable to provide a reading. The Nomad 3 supports an algorithm to minimize this error by

adjusting the scaling based on the arc angle of the deadband. Default settings for the deadband width

and compass bearing are prefilled in the Nomad 3 Toolbox, though the user is able to enter a specific

NOMAD 3 USER’S GUIDE

VAISALA 2-5

value if it differs. Nomad 3 also provides a function to record the instantaneous wind direction at the

moment of maximum gust as set in the Nomad 3 Toolbox as shown in Figure 2-5. Refer to section

4.3 to create an Input Setup file using the Nomad 3 Toolbox for an analog wind vane.

Figure 2-5 Analog Potentiometer Wind Vane Toolbox Setup

Figure 2-6 Wind Vane Wired for Single-Ended Mode

Nomad 3 supports a limited range of differential analog input measurement intended to eliminate

error from using a common ground to power the sensor. Figure 2-7 shows the wiring for a Vaisala

PTB110 barometer. The sensor power references the ground (GND) terminal, while the analog

output ground (AGND) is wired to AN 12 (–). The Nomad 3 input connector block shows the

polarity restrictions for differential mode with a red (+) for the odd inputs and a black (–) for the

even inputs.

NOMAD 3 USER’S GUIDE

2-6 M211756EN-A

Figure 2-7 PTB110 Wired for Differential Mode

A differential pair must be sequential: AN 1(+), AN 2(–); AN 3(+), AN 4(–); etc… The purpose of

the differential measurement is to eliminate error from sharing power ground. Analog negative (–)

must be at ground potential or higher; up to 100mV above ground. This is a sufficient range for

typical low current sensors and cable resistance.

2.2.3 REMOTE COMMUNICATIONS

The Nomad 3 Data Logger can be equipped with an optional 2G GSM modem. The user is

responsible for acquiring a SIM card and setting up a local cellular data plan with a local provider.

The SIM card is inserted in the modem and allows for data transmission via Email and FTP. When

activated on SkyServe, the Nomad 3 can send regular status updates to the Nomad 3 Account

Manager site.

NOTE

It is suggested to test the modem in house to reduce troubleshooting issues

before field installation of the Nomad 3.

NOMAD 3 USER’S GUIDE

VAISALA 3-1

CHAPTER 3 INSTALLATION

3.1 INTRODUCTION

This chapter contains instructions for installation of the Nomad 3 Data Logger.

3.2 STANDARD DATA LOGGER PACKING LIST

The following items are included in the delivery of the Nomad 3 Data Logger.

ITEM QUANTITY NOTES

Nomad 3 1 ea.

USB Flash Drive 1 ea. Use to load setup files, update firmware, or export

data direct from the Nomad 3

0.025" [0.64mm] Flathead Screwdriver 1 ea. For use when wiring up sensors to connector blocks

Quick Start Guide 1 ea.

Activation Card 1 ea. Included inside the Nomad 3 enclosure

Wet Erase Marker w/ Velcro 1 ea. Attach this to the Velcro strip inside the front cover

of the Nomad 3

Mounting Hardware Kit 1 ea. Includes two [2] pole mount brackets, four [4] 10-

32×3/8" SEMS screws, and two [2] worm drive

clamps

Mounting Foot Kit 1 ea. Option for mounting to flat surface (or inside

another enclosure)

USB-A to USB-B Cable 1 ea. For later use when computer to Nomad 3

communications are available

Extra 6-32×5/8" SEMS Screws 2 ea.

Extra 10-32×5/8" SEMS Screws 2 ea.

Extra 5-Pin Terminal Blocks 2 ea.

Extra 7-Pin Terminal Blocks 2 ea.

NOMAD 3 USER’S GUIDE

3-2 M211756EN-A

3.3 TOOLS AND EQUIPMENT

The following tools and equipment are required for installation of the Nomad 3 Data Logger.

ITEM QUANTITY USED FOR

#2 Philips Screwdriver 1 ea.

Removing PCB/cover to access modem for SIM installation

and antenna connection

5/16" Nut-Driver 1 ea. Securing and tightening hose clamps to tower

Metal Shears 1 ea. Cutting hose clamps to length for pole mounting

Wire Strippers 1 ea. Preparing ends of sensor cable for connector termination

Adjustable Wrench 1 ea. Tightening PG glands

Electrical Tape 1 roll Ensure safety while wiring power connections

Box Cutter 1 ea. Cutting cable gland to route terminated cables

Wire ties +20 ea. Cable management

Mini SIM card (optional) 1 ea. Cellular modem communications

3.4 SITE INFORMATION

Site preparation requires that onsite facilities, materials, services, and equipment are completely

defined and available prior to installation. When installing on a met tower, ensure that all wiring and

cabling are done properly at the sensor prior to installation. Label sensor cables to facilitate wiring at

the Nomad 3.

3.5 UNPACKING AND REPACKING

Carefully unpack all equipment from crates and boxes while inspecting for damage. Retain original

packaging or similar materials for repacking.

When storing:

• Disconnect all power sources and batteries.

• Remove any fuses.

• Ensure that any exposed holes in the wiring glands are plugged shut with a short piece of wire or

a billet plug.

• Latch the door shut and store in a warm and dry room.

• Do not store outside when not in use.

3.6 SITE SAFETY

Site safety procedures shall be observed when following any and all procedures in this document.

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Vaisala Nomad 3 Datalogger User manual

Vaisala Nomad 3 Datalogger User manual

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