Sentek Nexus Blue User Manual

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Nexus Blue User Manual

Document Version: 1.0

Publication Date: 13/01/2025

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Summary of Contents for Sentek Nexus Blue

Page 1 Nexus Blue User Manual Document Version: 1.0 Publication Date: 13/01/2025...
Page 2: Legal
DTU. Please test the Drill & Drop Connect App and Nexus Blue before installing it in the ﬁeld. All rights reserved. No part of this document may be reproduced, transcribed, translated into any language, or transmitted in any form electronic or mechanical for any purpose whatsoever without the prior written consent of Sentek Pty Ltd.
Page 3: Nexus Blue - Statement Of Compliance
Nexus Blue User Manual Nexus Blue - Statement of Compliance FCC note of compliance and statement of liability This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
Page 4: Hl7802
Radio Interference The Sentek soil moisture probe is not to be operated in free air as it may cause interference to radio communication devices. Installation of all sensors completely below ground (not including the battery cap and antenna) is required.
Page 5: Table Of Contents
Insert Own Sim Card ..........................26 Data Usage ............................. 27 Bluetooth Communication ........................28 Installation and Set-up of Nexus Blue/Drill &Drop Bluetooth Probe ............29 QR Codes and Links ..........................29 Appendix A Setting APN Using Device Manager App .................. 30 Appendix B Using Different Cellular Type (For European Regions) Setting 2G &...
Page 6: Product Overview
The Sentek Nexus Blue is an efficient, low-cost Data Transmission Unit (DTU) that connects with multiple Drill & Drop Bluetooth probes (within a 5-metre range) to upload data to Sentek’s IrriMAX Live Cloud platform using the latest low-power cellular technology. It utilises cellular communication to transmit soil moisture, salinity, temperature, and voltage data from the probe to the IrriMAX Live software.
Page 7: Features
Nexus Blue User Manual Features Features Mechanical features: • Probe Type: Drill & Drop Bluetooth probes. • Built-in Solar Panel: Attached to a rechargeable lithium-ion battery with integrated protection, which provides power to run the system and charges the battery.
Page 8 Nexus Blue User Manual Features • App displays the current ﬁrmware version and prompts the user to upgrade the ﬁrmware. • Cellular: 4G Cat-M1 and 2G networks only (note: hub ﬁrmware needs to be updated to support other technologies, e.g. 3G or 4G).
Page 9: Installing The Drill & Drop Connect App
(iOS) or Google Play Store (Android) and search for “Sentek Connect” on the Search tab. 2. Install the App on your phone. Once the installation is complete, the App icon will display on the Home Screen of your mobile device.
Page 10 Nexus Blue User Manual Installing the Drill & Drop Connect App 3. Proceed through the Introduction Wizard. Clicking on Next, allow access to ﬁles: photos and videos on the mobile device. Allow access to location. 5. Enter your IrriMAX Live Account details (Username and Password).
Page 11 Nexus Blue User Manual Installing the Drill & Drop Connect App 6. Create your Group ID. The Group ID will appear on the Group ID List. The Nexus Blue and the Drill & Drop Bluetooth probes can be added to the Group.
Page 12 Nexus Blue User Manual Installing the Drill & Drop Connect App 9. Verify that the serial number on the probe cap matches the serial number shown on the scan screen. 10. The Introduction Wizard is now complete. Clicking on GO TO APP will direct the App to the Main Screen (Scan screen).
Page 13: Main Screen Showing Probe And Nexus Blue Information
Nexus Blue User Manual Main Screen Showing Probe and Nexus Blue Information Main Screen Showing Probe and Nexus Blue Information Icon name Description Device Name The device name is used to supply the IrriMAX database name. The device name can be up to 16 alpha-numeric characters and underscore.
Page 14 After completion of each download, the App sends a notification. Scanning The App will continuously scan when Nexus Blue is in the vicinity. Clicking on the Scan icon will stop the scanning. Clicking on it again will resume the scanning process.
Page 15: Configuring The Drill & Drop Bluetooth Probe
V1.1.1. Note: The probe requires V1.1.1 or higher to work with the Nexus Blue. 2. Users can change the name of the probe. The name can be changed to anything up to 16 alpha-numeric characters and underscores.
Page 16 Nexus Blue User Manual Conﬁguring the Drill & Drop Bluetooth Probe 3. Group ID is recommended to prevent anyone accessing your probe. This prevents unauthorised access, allowing only people included in the Group ID access to the probe details. The App displays the Current Group ID of the probe, and a Suggested Group ID based on your Group ID list.
Page 17 Nexus Blue User Manual Conﬁguring the Drill & Drop Bluetooth Probe 5. Click on the link provided on the Probe Agreement screen to view the complete Terms and Conditions. The Probe Agreement informs users that they are liable for all IrriMAX Live data charges.
Page 18 Nexus Blue User Manual Conﬁguring the Drill & Drop Bluetooth Probe 7. The upload interval for the Nexus Blue must be enabled. Once activated, the desired interval can be set, ranging from 1 minute to 12 hours, with a default setting of 30 minutes.
Page 19 Nexus Blue User Manual Conﬁguring the Drill & Drop Bluetooth Probe 9. Continuous sampling of sensors is displayed until NEXT is clicked. The background changes colour when sensors are being sampled. To view samples of other sensor types, swipe to move between tabs.
Page 20: Test To Verify If The Unit Is Set-Up Correctly
Nexus Blue User Manual Test to Verify If the Unit is Set-up Correctly Test to Verify If the Unit is Set-up Correctly 1. Click on the probe’s name to connect. From the menu select Field Test. 2. Once the app connects to the probe, click on Skip or Next to move to the ﬁeld test progress screen.
Page 21 Nexus Blue User Manual Test to Verify If the Unit is Set-up Correctly 5. Observe the hub and probe, the app should be scanning and updating the two devices (the scan icon should be rotating). If the status does not change to connecting or fails without advancing to uploading, this could indicate that the probe and hub are too far apart.
Page 22 Nexus Blue User Manual Test to Verify If the Unit is Set-up Correctly 6. The probe status should indicate the hub connecting to it and downloading. It should then show uploading and ﬁnish with a Complete 100% status. 7. If the status does not change to complete or shows IrriMAX Live upload failure, this could be due to a problem with the network.
Page 23: Downloading/Uploading
Nexus Blue User Manual Downloading/Uploading Downloading/Uploading 1. When the Nexus Blue is active and scanning for probes in range to download/upload from, the cloud icon appears on the Hub tile on screen. Note: The Nexus Blue will only download from probes that indicate there is data available for download (shown by the up arrow in the database icon).
Page 24: Connecting All The Equipment
Nexus Blue User Manual Connecting All the Equipment Connecting All the Equipment iPhone/Android Mobile Device Drill & Drop Bluetooth Probe Nexus Blue External Antenna for Nexus Blue © Sentek Pty Ltd 2025 Page 24...
Page 25: Exiting Shipping Mode
Nexus Blue User Manual Exiting Shipping Mode Exiting Shipping Mode Unscrew the cap and press the button at the bottom of the unit to activate or begin downloads. Do not remove cover before the activation! To activate or start downloads unit requires 30 minutes of sunlight to function.
Page 26: Insert Own Sim Card
Nexus Blue User Manual Insert Own Sim Card Insert Own Sim Card 1. Ensure the DTU box is disconnected from the Antenna cable before opening the DTU. Carefully remove the casing from the DTU box using the pull cord provided.
Page 27: Data Usage
120cm) or type of probe (e.g. moisture or salinity type). For example, a Nexus Blue uploading data from a single probe with a 3-hour interval would result in approximately 8 uploads per day (80KB/day). Over a 30-day period, this equates to approximately 2400KB of data usage.
Page 28: Bluetooth Communication
The Nexus Blue uses Bluetooth V4.0 Low Energy protocol technology to communicate to the Sentek Drill & Drop Probe. Ensure that the Sentek Drill & Drop Probe and Nexus Blue are positioned within 5 meters of each other to establish a stable Bluetooth connection, allowing data to be uploaded to IrriMAX Live according to the set upload intervals.
Page 29: Installation And Set-Up Of Nexus Blue/Drill &Drop Bluetooth Probe
Installation and Set-up of Nexus Blue/Drill &Drop Bluetooth Probe The physical installation of the Nexus Blue is detailed in the IoT DTU Installation Manual, while the installation of the Drill & Drop Bluetooth Probe is covered in the Drill & Drop Installation Manual. Scan the QR code or click the link provided below to access the manual.
Page 30: Appendix A Setting Apn Using Device Manager App
Nexus Blue User Manual Appendix A Setting APN Using Device Manager App Appendix A Setting APN Using Device Manager App 1. On your mobile device, open the Google Play Store (The Shell command is available only on Android devices) and search for “nRF Connect Device Manager”...
Page 31 Nexus Blue User Manual Appendix A Setting APN Using Device Manager App 3. The Device Manager will scan for nearby hubs. Please select your preferred hub from the list. 4. After selecting the desired probe or hub, click "Shell" to input the speciﬁc command.
Page 32 Nexus Blue User Manual Appendix A Setting APN Using Device Manager App 5. Enter the command hl apn ‘telstra.m2m’ and click the "Send" button to execute the command. © Sentek Pty Ltd 2025 Page 32...
Page 33: Appendix B Using Different Cellular Type (For European Regions) Setting 2G & 4G Support
Nexus Blue User Manual Appendix B Using Different Cellular Type (For European Regions) Setting 2G & 4G Support Appendix B Using Different Cellular Type (For European Regions) Setting 2G & 4G Support 1. For European users, the setting command to switch between 2G and 4G support is: hl ksrat ‘2’...
Page 34 Nexus Blue User Manual Appendix B Using Different Cellular Type (For European Regions) Setting 2G & 4G Support 2. The chosen module is based on the network type: (i). HL7800 module: used for 4G CAT-M1 Australia and US. (ii). HL7802 module: used for 2G and 4G CAT-M1 Europe.