Omega OM-DAQLINK-TEMP, OM-DAQLINK-TEMPRH User Manual

Extended Warranty

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OM-DAQLINK-TEMP

User’s Guide

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OM-DAQLINK-TEMPRH

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Data Loggers

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OM-DAQLINK Series

Data Loggers

Table of Contents

CHAPTER 1: INTRODUCTION 1

CHAPTER 2: OM-DAQLINK OVERVIEW 3

2.1. The OM-DAQLINK System 3

2.1.1. The Data Logger 3

2.1.2. Hardware Accessories 4

CHAPTER 3: OM-DAQLINK IMPLEMENTATION GUIDE 5

3.1. Pre-setup Requirements 5

3.2. Launching the Software 5

3.3. Connecting the Logger 6

3.4. Charging OM-DAQLINK Loggers 7

3.5. Loading Map View Background 7

3.6. Configuring the Logger 8

3.7. Viewing Data 9

3.7.1. Online Data Views 9

3.7.2. Logger Tooltip 10

3.7.3. Sensor View 10

3.8. Downloading Data 11

CHAPTER 4: OM-DAQLINK HARDWARE OVERVIEW 12

4.1. Data Logger Front Panel Layout 12

4.1.1. OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH 12

4.2. Data Logger External Connections 12

4.2.1. OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH 12

4.3. Data Logger Sensor Overview 13

4.3.1. Internal Sensor Types 13

4.3.2. External Sensor Types 14

4.3.3. Sensor Connection 15

4.3.4. Programming Limitations for OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH 15

4.3.5. External Alarm Output 16

4.3.6. Polarity 17

4.3.7. Frequency/Pulse Counter 17

4.3.8. User Defined Sensors 17

4.3.9. Sensor Alarms 17

4.3.10. Sensor Calibration 17

4.4. Unit Serial Number and Comment 18

4.5. Power Supply 18

4.5.1. OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH Data Loggers 18

4.5.2. Power Adapter 19

4.5.3. Data Logger Battery Life 19

4.6. USB Communication Cable 19

4.7. OM-DAQLINK Keypad Overview 20

4.7.1. OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH Keypad 20

4.8. Operating the OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH 20

4.8.1. Turning on the Unit 20

4.8.2. Display Shutdown 21

4.8.3. Main Menu Options 21

4.8.4. Additional Logger Screens 23

CHAPTER 5: USING THE DATASUITE SOFTWARE 25

5.1. Installing DataSuite Software 25

5.1.1. System Requirements 25

5.1.2. Language Support 25

5.1.3. Installation Procedure 25

5.1.4. Working with Multiple User Accounts 29

5.1.5. Installation Troubleshooting 29

5.2. DataSuite Software Registration 29

5.2.1. Software Registration Process 30

5.3. System Password 33

5.4. DataSuite Software Layout 33

5.4.1. Map View 33

5.4.2. Sensor View 34

5.4.3. History View 36

5.4.4. Data Map 37

5.4.5. DataSuite Toolbar Icons 37

5.4.6. Map View Icons 38

5.4.7. Graph (Lower) Toolbar Icons 39

5.4.8. Data Map Icons 40

5.5. File Menu Items 41

5.5.1. Open 41

5.5.2. Open Project File 41

5.5.3. Save Project 41

5.5.4. Save Project As 41

5.5.5. Backup System Files 41

5.5.6. Restore System Files 41

5.5.7. Print Map View 42

5.5.8. Exit 42

5.6. Tools Menu Items 42

5.6.1. Define Sensor 42

5.6.2. Switch Sensor View Mode 43

5.6.3. Lock Map View 43

5.6.4. Options Menu 43

5.6.5. Manage Contacts 43

5.6.6. Email Alarm Notifications 43

5.6.7. SMS Alarm Notifications 43

5.6.8. Firmware Update Center 44

5.7. Tools > Options Menu Items 44

5.7.1. Preferences Tab 44

5.7.2. Device Settings Tab 47

5.7.3. Email Settings Tab 47

5.7.4. SMS Settings Tab 49

5.7.5. Analysis Menu Items 50

5.8. Devices Menu Items 52

5.8.1. Detect Device 52

5.8.2. Stop All 53

5.8.3. Run All 53

5.9. Search Devices 53

5.10. Data Recovery 54

5.11. Saving Data 54

5.12. Viewing Archived (Offline) Data 55

5.13. Viewing Online Data 57

5.13.1. Showing/Hiding the Data Sets 57

5.14. Working in Map View 58

5.14.1. Loading Map View Wallpaper 58

5.14.2. Printing the Map View 59

5.14.3. Displaying Icon Name Tags 59

5.14.4. Moving Icons around the Screen 59

5.14.5. OM-DAQLINK Logger Icon Connection Options 59

5.15. Configuring the Logger 60

5.15.1. OM-DAQLINK Setup Window – Device Setup Tab 60

5.15.2. OM-DAQLINK Alarm Setup Tab 63

5.16. Alarm Notifications Setup 65

5.16.1. Contacts Tab 66

5.16.2. Groups Tab 67

5.16.3. Notifications Setup Tab 68

5.16.4. Email and SMS Notification Formats 68

5.17. Calibration 69

5.17.1. Introduction to Calibration 69

5.17.2. Calibrating the Data Logger 71

5.17.3. Performing a Two-point Calibration 72

5.17.4. Performing an Offset Calibration 72

5.17.5. Setting the Offset to a Specific Input 72

5.17.6. Calibrating the Internal Temperature Sensor on the OM-DAQLINK-TEMP 73

5.17.7. Calibrating the External PT-100 Sensor Input 73

5.17.8. Saving Calibration Settings 73

5.17.9. Loading Calibration Settings 73

5.18. Analyzing the Data 74

5.18.1. Using the Graph Features 74

5.18.2. Changing the Graph, Table or Statistics View Header 78

5.18.3. Statistical Analysis 78

5.19. Exporting Data to Excel or CSV Formats 78

5.20. Printing the Data 79

5.21. Reports Module 80

5.21.1. Creating a Report Profile 80

5.21.2. Report Types 82

5.21.3. Removing a Report Profile 84

5.21.4. The Report Browser 84

CHAPTER 6: UPDATING DATASUITE SOFTWARE AND FIRMWARE 85

6.1. Using the Uptodata Client 85

6.2. Updating Device Firmware 87

6.2.1. Downloading the Firmware File 87

6.2.2. Using the Firmware Update Center 87

6.2.3. Manual Firmware Update via Map View Icon 89

6.2.4. Cancelling Firmware Update 90

6.2.5. Interrupted Firmware Update 90

APPENDIX A: OM-DAQLINK SPECIFICATIONS 91
A.1. Data Logger Input Types 91
A.2. OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH Outputs 92
A.3. Logger Input Specifications OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH 92
A.4. General Specifications 93
A.5. System Requirements 94

APPENDIX B: SAFETY INFORMATION 95

Chapter 1:

Introduction

Light, Portable and Independent Logging

With built-in temperature and humidity sensors, plus four external probe inputs the OM­DAQLINK Series standalone data loggers ensure a low cost, reliable and accurate solution.
OM-DAQLINK Series data loggers are 16-bit, mobile data acquisition devices for continuous
indoor or outdoor data monitoring.

The OM-DAQLINK Series is comprised of two data logger models, measuring a broad range of
parameters on four external inputs for direct measurement and recording of PT-100,
thermocouple, 0 to 1 V, 4 to 20 mA, contact, frequency and pulse sensors, as well as internal
temperature and relative humidity sensors.

With its high resolution and fast Analog to Digital converter (ADC), OM-DAQLINK Series data
loggers meet the majority of data acquisition requirements in most industrial applications. Every
OM-DAQLINK Series data logger is embedded with a unique serial number and can be loaded
with a descriptive comment for safe identification. An internal clock and calendar keeps track of
the time and date of every sample measured.

OM-DAQLINK Series data loggers can automatically activate external alarm events when data
is outside a specified range. Email and SMS notifications can be sent to predefined contacts.

OM-DAQLINK key benefits include:

 Real-time logging - Online operation with data results on screen
 Independence - Manual or PC operation with on-site monitoring via two-row LCD display
 Intuitively - Simple keypad and easy-to-navigate menus
 Long life - Low-power consumption and rechargeable battery lasting up to six months
 Flexibility - Four alarm levels with visual LCD, and audible alarms
 Non-stop logging - Continuous data storage to large onboard memory and periodic USB

downloads

DataSuite Software Support

The OM-DAQLINK system is powered by the powerful DataSuite software. The Windows 
based software is the central management interface of the OM-DAQLINK network. When
connected via USB cable to the PC, OM-DAQLINK data can be monitored online and displayed
in real-time graphs or tables. Analyze data with various mathematical tools, or export data to a
spreadsheet.

The software also enables you to configure, calibrate or update the firmware of OM-DAQLINK
units via direct USB connection.

DataSuite provides one software platform for a wide range of Omega products in addition to the
OM-DAQLINK data loggers, such as the OM-DATANET wireless system and OM-MICROLITE
and OM-MICROLOGPRO portable, standalone loggers. DataSuite lets you monitor and
compare data from multiple systems in a singular, uniform view.

1

DataSuite key benefits include:

 Software GUI based on proven Omega platforms
 Multiple data view features
 Map view displaying unit location, signal path and strength
 Alarm features with 4 alarm levels sending email and SMS notifications
 Reporting module for creating and generating reports with selected distribution
 Analysis features including dew point analysis, FO Pasteurization, histogram, statistics with

export to Excel and CSV formats

2

OM-DAQLINK Data Loggers

Part Number: OM-DAQLINK-TEMP

Part Number: OM-DAQLINK-TEMPRH

Four external channel data logger with
two internal sensors, Humidity and
Temperature

Four external channel data logger with
internal Temperature sensor

Memory Capacity: ~59,000 samples
Power supply: AC or battery operated

Memory Capacity: ~59,000 samples
Power supply: AC or battery operated

Chapter 2:

OM-DAQLINK Overview

2.1. The OM-DAQLINK System

The basic OM-DAQLINK system contains at least one of the following units:

 OM-DAQLINK data logger – Part Number OM-DAQLINK-TEMP or OM-DAQLINK-TEMPRH
 Mini-USB communication cable
 Power adapter (one per OM-DAQLINK unit ordered)
 DataSuite software CD containing user guide

2.1.1. The Data Logger

There are two data logger models compatible with the OM-DAQLINK system. These loggers
support up to four external sensors and two internal sensors, temperature and humidity,

depending on the specific model. Data is recorded and stored to the logger’s internal memory

and transmitted over the network to the DataSuite software running on the PC.
The data logger is programmed to consume as little power as possible during operation, in order

to conserve the battery life. When not transmitting or recording data the units are in sleep mode
and they wake up when needed.

The battery for the OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH is rechargeable and can
run up to several months on one charge, depending on the logger configuration.

Note: Battery life depends on the logger sampling rate, transmission rate, type of sensor, and
number of measured sensors.

3

2.1.2. Hardware Accessories

The OM-DAQLINK system includes the following accessories:

 Mini-USB cable for connecting data logger to PC
 Power adapter to power the data logger

4

Chapter 3:

OM-DAQLINK Implementation Guide

Omega recommends first time users of the OM-DAQLINK system read this chapter before
drilling down into the many features of the system described later in the user guide. The
Implementation Guide will give you a clear understanding of the basic aspects of setting up the
system, and getting the data logger up and running.

3.1. Pre-setup Requirements

Prior to commencing with the OM-DAQLINK implementation you must have the following
requirements in place:

PC

 24/7 availability, if online data monitoring is required
 Reliable AC power
 Sufficient hard disk space to store loggers’ data
 One free USB port

OM-DAQLINK devices

At least one OM-DAQLINK logger OM-DAQLINK-TEMP or OM-DAQLINK-TEMPRH.

Mini-USB cable

The mini-USB cable connects the data logger to the PC for logger configuration and data
download (and is supplied with the DataSuite software kit).

3.2. Launching the Software

1. Install the DataSuite software on the PC workstation. Refer to section 5.1: Installing
DataSuite Software on page 25 for more details.

2. Once the software and associated components have been installed, launch DataSuite from
your DataSuite desktop shortcut.

3. The main DataSuite window is launched. The default view is called Map View.

5

Figure 1: Main DataSuite window

4. Check for DataSuite updates. Go to Help > Check for Updates from the DataSuite main
menu to check for newer versions of the OM-DAQLINK module software and firmware
released since you purchased your system. For more details on the Update feature go to

Chapter 6: Updating DataSuite Software and Firmware.

3.3. Connecting the Logger

Note: Multiple OM-DAQLINK loggers may be detected by the PC at a time.

1. Only once the DataSuite software and USB driver have been installed, connect the OM­DAQLINK data logger (OM-DAQLINK-TEMP or OM-DAQLINK-TEMPRH) to the Omega­supplied power adapter.

Note: Only use adapters provided by Omega. Use of the wrong adapter could damage your
OM-DAQLINK units.

2. Turn on the unit by pressing the Scroll button on the front keypad. The unit will
beep when turned on.

3. Connect the mini-USB cable to the computer and to the data logger’s mini-USB port.

4. From the DataSuite main menu, go to Devices > Detect Device. The data logger icon will
appear in the Map View indicating that the logger is detected.

6

Figure 2: Adding data logger icon to Map View

Note: If the logger is not recognized by the software try connecting the mini-USB cable to

another USB port on the PC. Or select Devices > Detect Device again in the main menu.

5. Should you disconnect the logger’s USB cable or power adapter (and the battery eventually
dies), the logger icon will be grayed out:

Note: You can move the logger icon elsewhere on the screen by going to Tools > Lock Map
View and unselecting this option.

3.4. Charging OM-DAQLINK Loggers

This section refers to charging the OM-DAQLINK-TEMP or OM-DAQLINK-TEMPRH loggers.
Note: Only use adapters provided by Omega. Use of the wrong adapter could damage your

OM-DAQLINK units.

If the loggers will run from the battery supply make sure to first charge each of the loggers for 16
hours before use in order maximize the battery life. A fully charged battery can last several
months, depending on your logger configuration.

If the loggers will run from the AC power supply, when first connected to the AC adapter the
logger will always initiate the 16 hour charge cycle.

Note: For loggers measuring data with the internal temperature sensor, it is critical to note that
during the charge cycle the logger will heat up thereby causing the internal temperature sensor
reading to rise up to 10 ˚C above ambient temperature. Once the charging process is complete,
the logger will cool down and the internal temperature sensor readings will return to normal.

For loggers remaining connected to AC power, to prevent the logger from heating up again
following the initial charge cycle, the logger will receive a one minute trickle charge each day

rather than stay continually charged. This is sufficient to ensure the logger doesn’t self­discharge and will maintain the logger’s full charge status.

3.5. Loading Map View Background

Load an image into the DataSuite software showing a map of your facility in order to place the
Logger icons in their relative positions. As you deploy more standalone loggers, this will prove
very helpful.

 Double click the Map View background to browse to the image directory and load the image.

Remember to unlock the Map View in order to move the icons around.

7

 Right-click the Map View background and two options will be available: Load Wallpaper

and Reset Wallpaper, which resets to the default Omega wallpaper.

3.6. Configuring the Logger

Once the software has detected the OM-DAQLINK logger, you must configure the unit in order
to start acquiring data.

1. Right-click on the Logger icon. Select Setup from the context menu.

2. The Setup window will be launched.

Figure 3: OM-DAQLINK Logger Setup window

This dialog provides non-editable information such as the serial number, battery level, and
firmware version of the current unit.

On the Device Setup and Alarm Setup tabs, the user is able to configure the following
parameters:

 Unit's comment
 Sampling rate
 Memory State
 Averaging points
 Temperature units °C/°F (on the logger LCD)
 Anti-tamper mode
 Active sensors
 Custom sensors' names
 Alarm levels
 Alarm duration

8

 Alarm delay
 Alarm pre delay

3. Select the Memory State, Online or Optimized Memory Modes.

4. Select the sensors you wish to connect to the logger for data acquisition. It doesn’t matter
which order you select the sensors. You may only have Input 4 selected, for example, and
Inputs 1 to 3 left unselected.

5. Select the sampling rate anywhere from 1 every second to 1 every 18 hours.

6. Unless you have Alarm levels you wish to edit (see the Alarms Setup tab), click either Setup
and Run (to send the setup and immediately log data), or Setup Only (to send the setup
but only log data at your command).

7. If you selected Setup Only in step 5, right-click the Logger icon and select Run from the
context menu to start logging data or click in the main tool bar.

8. The Logger icon will appear as follows when in Run mode: .

9. To stop the logger, right-click the Logger icon and select Stop from the context menu.

Note: Running the logger clears the logger memory. All previously recorded data will be erased
when you begin a new logging session.

3.7. Viewing Data

Once you run the logger, you have several ways of viewing the online data that is being
acquired.

 Online graph/table/statistics views
 Logger icon tooltip
 Sensor view

3.7.1. Online Data Views

Double clicking the Logger icon or selecting Display Data in the Logger icon context menu will
open the online graph.

This graph is updated in real-time with the newly recorded data.
You can switch between Graph, Table and Statistics views to view the data in different formats.

Figure 4: Online data – Graph view

9

Figure 5: Online data – Table view

Figure 6: Online data – Statistics view

3.7.2. Logger Tooltip

Close the online data window and return to Map View. Scroll over the Logger icon and you will
see a tooltip displaying the relevant logger information, including real-time data.

Figure 7: Logger tooltip
This tool-tip is updated with every newly recorded sample.

3.7.3. Sensor View

Click the Sensor View icon in the tool bar to switch to this view. Here, you can monitor the
data by viewing data display of each individual sensor, rather than of each logger.

10

Figure 8: Sensor view
 If the sensor is in alarm, the sensor box will change color from green to red (just as the

Logger icon would).

 Double-clicking the individual sensor box will open the data in the online Graph view.

3.8. Downloading Data

If the logger is being used as a standalone device you will have to connect it to the computer via
USB cable in order to download the data to the software.

1. Connect logger to PC and go to Devices > Detect Device in the main menu.

2. To download data right-click the logger icon and select Download Data.

3. View the downloaded data by double-clicking the logger icon.

11

Figure 9: OM-DAQLINK-TEMP data logger front panel

LCD screen

Displays logger status, logger data, and Min/Max values.

Menu/Enter button

Use to enter logger menu options and to execute logger commands.

Scroll button

Use to scroll though menu items and to power on unit.

Scroll button

Menu/Enter button

LCD screen

Chapter 4:

OM-DAQLINK Hardware Overview

This chapter details the hardware features of the OM-DAQLINK data loggers.

4.1. Data Logger Front Panel Layout

4.1.1. OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH

Apart from the color scheme, the OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH data
logger models have the same front panel design.

4.2. Data Logger External Connections

4.2.1. OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH

External connections of the OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH are exactly the
same.

12

Figure 10: OM-DAQLINK-TEMPRH data logger external connections

Mini USB Port

To enable communication between logger and PC, for configuration and data
download.

12 V Power Socket

To connect logger to external power supply (negative center).

Sensor Inputs

Pluggable screw terminal blocks marked In-1 to In-4 (from left to right), to
connect wide range of sensor types for data acquisition. All four inputs can be
used simultaneously. Sensors can be connected in any order.

To connect a sensor to the OM-DAQLINK data logger, unplug the screw

terminal, connect the sensor’s wires to the terminals, and then plug the

terminal back to the corresponding socket on the input block.

Excitation socket

Output power socket used to power external sensors, power derived directly
from the external power supply adaptor.

Sensor

Measurement

Range

Accuracy

Logger Model

Digital Humidity

5% to 95%

±3% (in DataSuite
software)

±4% (on logger LCD)

OM-DAQLINK­TEMPRH

Mini USB port

12 V power socket
Negative Center

Four sensor

inputs

Excitation

Mini USB port

12 V power socket
Negative Center

Four sensor

inputs

Excitation

4.3. Data Logger Sensor Overview

This section provides an overview of the hardware specifications of the OM-DAQLINK data
loggers.

4.3.1. Internal Sensor Types

The OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH loggers include internal sensors,
depending on the logger model.

13

Sensor

Measurement

Range

Accuracy

Logger Model

Digital
Temperature

-20 ºC to 50
ºC

±0.5 ºC

OM-DAQLINK­TEMPRH

Temperature
PT100

-20 ºC to 50
ºC

±0.3 ºC

OM-DAQLINK­TEMP

Sensor

Measurement Range

Accuracy

Available Inputs

Current

4 to 20 mA

± 0.5 %

In-1 to In-4

Contact

Open (0) /
Close (1)

N/A

In-1 to In-4
Frequency

20 Hz to 4 KHz

N/A

In-4 only

Pulse Counter

1 to 65,536 pulses
0 to 4 KHz

N/A

In-4 only

Temperature
PT100 (2-wire)

-200 to 400 ºC

-200 to -60 ºC ±0.5 %

-60 to 60 ºC ±0.3 ˚C
60 to 400 ºC ±0.5 %

In-1 to In-4

Temperature TC-J

-200 ºC to 1,000 ºC

-200 to -60 ºC ±0.5 %

-60 to 60 ºC ±0.5 ˚C
60 to 1,000 ºC ±0.5 %

In-1 to In-4

Temperature TC-K

-200 ºC to 1,000 ºC

-200 to -60 ºC ±0.5 %

-60 to 60 ºC ±0.5 ˚C
60 to 1,000 ºC ±0.5 %

In-1 to In-4

Temperature TC-T

-200 ºC to 400 ºC

-200 to -60 ºC ±0.5 %

-60 to 60 ºC ±0.5 ˚C
60 to 400 ºC ±0.5 %

In-1 to In-4

Voltage

0 to 1 V

± 0.5 %

In-1 to In-4

Voltage

0 to 50 mV

± 0.5 %

In-1 to In-4

4.3.2. External Sensor Types

OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH

Each of the four input channels of these data logger models are multi-purpose and can be
individually configured to any of the following types and ranges.

14

PT100, Thermocouple J, K or T

=

A

Internal Digital Temperature (on OM­DAQLINK-TEMPRH)

=

B

Sensor

Combination

Maximum Sampling Rate

Example Setup

3 x A
4 x A
A + B

One sample every three seconds

In-1: PT-100
In-2: TC-J
In-3: TC-J

(2 x A) + B
(3 x A) + B

One sample every four seconds

Internal: Temp
In-1: TC-T
In-2: PT-100

(4 x A) + B

One sample every five seconds

Internal: Temp
In-1: TC-T
In-2: TC-J
In-3: PT-100
In-4: PT-100

4.3.3. Sensor Connection

Connect the sensor/s to the terminal block/s at the top of data logger:

Figure 11: OM-DAQLINK logger sensor inputs

Sensors do not have to be added successively. You may only configure In-4, or configure In-1
and In-3, for example, when setting up the logger via the software.

4.3.4. Programming Limitations for OM-DAQLINK-TEMP and OM-

DAQLINK-TEMPRH

The standard sampling rate for all sensors on all inputs is from a maximum of one sample every
second to a minimum of one sample every 18 hours. However, there are certain limitations
using a specific combination of sensors, which must be taken into account when programming
the OM-DAQLINK data loggers.

Note: The software integrates all programming limitations automatically when configuring the
loggers.

Please refer to the table below for OM-DAQLINK programming limitations, where:

Table 1: Data Logger programming limitations

15

-

+

Relay

-

+

-

+

Alarm device

(e.g. siren)

+

-

3-4 V battery
to power relay

-

+

Relay

-

+

-

+

Alarm device

(e.g. siren)

+

-

3-4 V battery
to power relay

4.3.5. External Alarm Output

The OM-DAQLINK system supports connection of an external alarm e.g. siren, audible alarm, to
In-1 of the OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH data loggers.

When connected to the logger, the external alarm will be activated only when that logger is in
alarm status.

Once there is no alarm status, the external alarm will be deactivated.

Data Logger External Alarm

In-1 of the OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH serves either as a standard
sensor input or as an external alarm output. Ensure the logger is connected to AC power if
connected to an external alarm.

Configure In-1 as Alarm Normally Open or Alarm Normally Closed in the logger Setup
window in the DataSuite software.

Normally Open will result in the alarm being activated during alarm status (the circuit will be
closed).

Normally Closed will result in the alarm being activated when logger is not in alarm and
therefore deactivated when there is an alarm (the circuit will be opened).

Connect In-1 to your external alarm device and connect the logger to AC power.
Use the Alarm Setup tab in the Setup dialog to define the logger alarm settings. If these

settings are breached then the alarm will be activated.

External Alarm Schematic

See the schematic below explaining how to hook up an external alarm to the OM-DAQLINK unit.

Figure 12: External alarm schematic

 + from OM-DAQLINK unit goes to – of the Relay inputs
 + of Relay input goes to battery that powers the Relay

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 Load inputs of the Relay go to the Alarm device e.g. siren, lights, etc.
 - of the battery goes to – of OM-DAQLINK unit.

Note: Maximum load of the Relay is 50 mA, 3 V.
Refer to Appendix A: OM-DAQLINK Specifications for the full external alarm output

specification.

4.3.6. Polarity

Current, voltage, thermocouples and user defined sensors have distinct polarity. Be careful to
connect them in the right polarity.

4.3.7. Frequency/Pulse Counter

Connect the signal wires to In-4 terminal blocks, and select Frequency or Pulse counter for
Input 4 from the logger Setup window in the DataSuite software. Inputs 1 to 3 are still available

for other sensors.

The Frequency/Pulse counter is optically isolated from the internal circuitry and can
simultaneously measure a signal source, together with another input.

4.3.8. User Defined Sensors

OM-DAQLINK provides a simple and straightforward tool for defining a limited number of
custom sensors. Almost any sensor or transducer with 0 – 1 V or 4 – 20 mA output is accepted
by the OM-DAQLINK logger and its electrical units are automatically scaled to meaningful user­defined engineering units.

The sensor definitions are stored in the logger’s memory and are added to the sensors list. The
sensor’s readings are displayed in the user defined units only in the DataSuite software. Future

versions will also support displaying the user defined engineering units on the logger LCD.
Refer to section 5.6.1 for more details.

4.3.9. Sensor Alarms

Via the software, users can define minimum and maximum alarm levels for each input
individually. Users can define pre-low and pre-high alarm levels, for an additional level of safety
in case the logger is approaching an actual breach of alarm.

The OM-DAQLINK logger display indicates when the sensor reading is in alarm of any type. The
symbols AL-H, AL-L, AL-P-H or AL-P-L are visible next to the corresponding input readings.

Refer to section 5.16 for more details.

4.3.10. Sensor Calibration

The OM-DAQLINK data logger is shipped fully calibrated. However, further calibration can be
applied via the DataSuite software. The calibration parameters are sent to the data loggers via
USB connection and stored in the logger’s memory.

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Users may calibrate individual inputs as well as all inputs at once. Calibration settings may be
saved and then loaded into the logger at a later date if the calibration settings have changed.

Refer to section 5.16.4 for more details.

4.4. Unit Serial Number and Comment

Every OM-DAQLINK data logger unit is embedded with a unique serial number.
The data logger only can be loaded with a descriptive comment to identify its task and location.

You may add or edit the logger comment via the DataSuite software.
Every time data is transferred to the computer it is labeled both with the logger’s serial number

and comment and is displayed in the graph or data table view.
The unit serial number is also marked on a sticker on the back of the product.

4.5. Power Supply

4.5.1. OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH Data

Loggers

The OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH data loggers run from an internal NiMh
rechargeable battery as well as from external AC power supply. Depending on the logger
configuration, from a fully charged battery, the data logger can run for up to several months.
Refer to section 4.5.3 for more details on battery life.

Note: Charge the data logger units for 16 hours before using them for the first time.
When connected to external power supply, the data logger battery will not be charged when the

unit is turned off. This will allow the system to protect the battery from overheating.

First Time Charging

From a fully drained battery, you must charge the battery for 16 hours to bring it to a full charge.
Once the charge cycle is complete, the logger will run from the external power supply, without
draining (or charging) the internal battery. In order to maintain a fully charged battery and
ensure the battery doesn’t self-discharge, the battery charger will daily charge the unit for one
minute to maintain the battery capacity.

Note: Before storing the OM-DAQLINK units make sure you have unplugged all the sensors
and turned the units off via the keypad.

Standard Charging

Whenever a logger is reconnected to the charger it will begin the 16-hour charge cycle, no
matter what the status of the battery. Once the charging cycle is complete the logger will run
from external power supply.

Effect of Charging Battery on Temperature Sensor

For loggers measuring data with the internal temperature sensor, it is critical to note that during
the charge cycle the logger will heat up thereby causing the internal temperature sensor reading
to rise by up to 10 ˚C above ambient temperature. Once the charging process is complete, the
logger will cool down and the internal temperature sensor readings will return to normal.

For loggers remaining connected to AC power, to prevent the logger from heating up again
following the initial charge cycle, the logger will receive a one minute trickle charge each day

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Figure 13: USB communication cable

Type A plug

Connect to logger USB port

Type B plug
Connect to PC USB port

rather than stay continually charged. This is sufficient to ensure the logger doesn’t self­discharge and will maintain the logger’s full charge status.

4.5.2. Power Adapter

The OM-DAQLINK power adapter is used to power the OM-DAQLINK-TEMP and OM­DAQLINK-TEMPRH units. The mains adaptor (AC/DC adaptor) converts mains power (from a
wall outlet) to a voltage suitable to the OM-DAQLINK hardware unit.

 Output: Capacitor filtered 9 to 12 VDC, 300 mA
 Female plug, center negative

Note: Only use Omega-supplied power adapters to avoid damaging the units with incorrect
power supply.

4.5.3. Data Logger Battery Life

Battery life depends on the logger sampling rate, type of sensor, and number of measured
sensors.

OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH can last up to six months on a charged
battery depending on logger configuration.

4.6. USB Communication Cable

A mini USB communication cable is supplied as part of the DataSuite software kit. This cable
connects the OM-DAQLINK data logger to the OM-DAQLINK PC workstation. When connected
to the PC the logger can communicate with the software for configuration and data download
purposes, for example.

The USB cable also powers the logger when connected to the PC but it does not charge the
internal battery.

Note: The USB driver is installed as part of the software installation process. Without this driver

the PC won’t detect the logger. To avoid compatibility problems do not connect the logger to the

PC before installing the USB driver.

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The Menu button has
two functionalities:

Navigate to the main menu.
When pressed from within a
submenu, the display will take you
back to the main menu.

Selecting an option from one of
the menus. When pressed on one

of the main menu items, it will take
you to the sub menu options.

The Scroll button has two
functionalities:

When the unit is off, pressing this
button will power the unit on.

Scrolls through the menu options.

Omega DAQLINK
Ready

4.7. OM-DAQLINK Keypad Overview

4.7.1. OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH Keypad

The OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH units each have two buttons on the
keypad, which are used to navigate through the LCD menu options, as well as turn on the units.

Refer to section 4.8 to learn how to operate the data loggers.

4.8. Operating the OM-DAQLINK-TEMP and OM-

DAQLINK-TEMPRH

This section explains how to operate the OM-DAQLINK-TEMP and OM-DAQLINK-TEMPRH
loggers and provides an overview of the menu options on the units’ LCD screen.

4.8.1. Turning on the Unit

In order to view the logger menu options, the unit must be powered on by pressing the Scroll
button on the keypad. Ensure the logger is charged or connected to the AC adapter.

Once the unit is switched on it will emit a short beep and the screen will display a welcome
message:

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In-TMP
24˚C AL-Lo

View Data

4.8.2. Display Shutdown

If the logger screen is inactive for thirty seconds it will turn off. However the logger will continue
to operate in the background. Press the Scroll button to enable the LCD screen again. The
screen will not turn off during firmware upgrade.

4.8.3. Main Menu Options

There are three menu categories on the data logger:

 View Data
 Status
 Min/Max Values

Note: If the unit is not in Run mode only the Status menu options will be available.

Press the Menu button to reach the main menu display. Scroll through the main menu
options (View Data, Status and Min/Max Values) using the Scroll button. Once you reach the
main menu option you need, press Enter to select that option and enter the sub menus.

View Data Menu

Note: View Data is the default page when the unit is running.
If there is more than one sensor running, the screen will auto scroll between the sensors

showing the sensor name and senor value. These are real-time displays.
The display will switch back to the View Data screen after five minutes if none of logger buttons

have been pressed.
If the sensor breached any of the predefined alarm levels, then the alarm symbol will be

displayed alongside the data reading.
For example:

The logger display alarm symbols are:

 AL-HI : Alarm High
 AL-Lo : Alarm Low
 AL-P-H : Pre Alarm High
 AL-P-L : Pre Alarm Low

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S/N 12345678

Logger version:

2.03.00.02.38.00

Batt Level:
External power

Batt Level: 67%

Omega DAQLINK
Logger running

Status

Status Menu

The Status menu contains the following sub menus, all reachable by using the Scroll button.
The sub menus are outlined below in the order in which they appear on the logger display.

Name and Status

As explained previously, the unit name (or Comment) is displayed on the first row and the
second row indicates the logger status.

If the logger is running, then the following screen is displayed.

Batt Level (battery level)
If the power adapter is not connected the battery percentage will be displayed.
If the power adapter is connected External power will be displayed.

Logger Version

This menu informs the user of the logger firmware version. This is helpful when you need to
upgrade the system firmware, to check the current version. Or when contacting Omega
technical support, with any technical issues.

The firmware version is commonly referred to by the numbers in bold in the screen above.

S/N

This menu displays the unit’s eight digit SN.

Memory Mode

There are two possible device modes:
 Stop when full – when the logger memory is full the logger will stop logging.

22

In-TMP ˚C

26.06H 25.61L

 Cyclic mode – for continuous logging. The logger will continue to log once the memory is full

by writing over the first recorded samples.

The memory mode is toggled in the Setup dialog, using the Cyclic Mode checkbox.

When the logger memory is full, the LCD will display Memory Full.

Press Menu to pause logger (when logger is in Run mode)
By pressing the Menu button, the logger will cease to log data until the Menu button is pressed

again from the same screen.
When in Paused mode, the user can still scroll through the logger menu screens and use other

features. The user must scroll back to the Pause Logger menu in order to resume the logger
operation.

Reset Unit

When the unit is reset, upon start up it will automatically reconnect to the DataSuite software if a
USB connection is established. In addition, if the logger will continue to operate according to its
last set up instruction. For example, if the logger was in Run mode, then after reset it will
continue to run and record data.

Turn Off Unit / Stop and turn off

Selecting this option will shut the unit down. You can turn the unit on again by pressing the
Scroll button.

If the logger is in Run mode, selecting this option will first stop the logger, and then turn it off.
It is recommended to turn off the unit when it is not in use.

Min/Max Values Menu

Each sensor’s minimum/maximum readings (taken from the current logging session) will be
displayed on two rows.

The first row indicates the sensor type, along with the measurement units e.g. V, and the alarm
indication if there is an active alarm on this sensor.

The second row indicates the minimum and maximum measured value and the units. H and L
represent High and Low values, respectively.

4.8.4. Additional Logger Screens

Loading Firmware

When updating the firmware of the data logger via the software’s Firmware Update Center, the

logger screen will display the update progress. When complete the main logger status screen
will be displayed.

Also refer to Chapter 6: Updating DataSuite Software and Firmware.

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