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Summary of Contents for Vantron VT-M2M-DTU-LORA
- Page 1 Vantron | Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions VT-M2M-DTU-LORA Industrial DTU User Manual Version: 1.4 © Vantron Technology, Inc. All rights reserved. VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
- Page 2 Jan. 12, 2024 V1.2 Added description on uploading heartbeat data Mar. 7, 2024 V1.3 Added command ‘ATV‘ and the response to the command Mar. 25, 2024 V1.4 Added description for firmware upgrade May 21, 2024 VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
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Page 3: Table Of Contents
DTU Information Printing ...................31 CHAPTER 4 TYPICAL AT COMMANDS ....................32 CHAPTER 5 DISPOSAL AND WARRANTY ..................37 Disposal ........................38 Warranty ........................39 Appendix A Specifications of G335 Edge Computing Gateway ..........40 Appendix B Regulatory Compliance Statement ..............41 VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 4: Foreword
Under no circumstances shall any part of this user manual be copied, reproduced, translated, or sold. This manual is not intended to be altered or used for other purposes unless otherwise permitted in writing by Vantron. Vantron reserves the right of all publicly released copies of this manual. - Page 5 Please refer to Appendix B for Regulatory Compliance Statement. Symbology This manual uses the following signs to prompt users to pay special attention to relevant information. Caution for latent damage to system or human injury Attention to important information or regulations VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
- Page 6 The use or placement of the operation tools shall comply with the code of practice of such tools to avoid short circuit of the Product. Cut off the power before inspection of the Product to avoid human injury or product • damage. VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
- Page 7 Clean with a damp cloth • Do not try to clean exposed electronic components unless with a dust collector Power off and contact Vantron technical support engineer in case of the following faults: The Product is damaged • The temperature is excessively high •...
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Page 8: Chapter 1 Introduction
Vantron | Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 1 INTRODUCTION VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 9: Overview
3W of power under load. VT-M2M-DTU-LoRa provides a reliable and efficient way to connect field devices to a central network. Field data from sensors or actuators is transmitted to the device via the RS232 or RS485 serial port. -
Page 10: Specifications
Configuration tool VT Dtool Southbound Modbus Software protocol Northbound MQTT protocol Operating: -20℃ ~ +70℃ Temperature Storage: -40℃ ~ +85℃ Environment Humidity Operating: 5%-95% RH (Non-condensing) Condition EMC level EMC Level 3 Certification FCC, ISED VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 11: Product View
Solid: Issue with LoRa connectivity 4 x LED indicator Blinking: Peripheral abnormality OFF: No faults/abnormalities Solid: LoRa connectivity established Blinking slowly: Establishing LoRa connectivity LoRa Blinking fast: LoRa data communication in process OFF: LoRa connectivity failed VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 12: Back View
RS485: Data communication (default parameters: 115200, 8N1) Power terminal 9~36V DC input Mounting brackets For mounting the device 1.4.2 Back view I/O description: Name Description Antenna SMA LoRa antenna connector, for enhanced signal strength connector VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 13: Mechanical Dimensions
110mm x 73mm x 28mm (including the mounting brackets) 1.6 Power Supply and Consumption VT-M2M-DTU-LORA industrial DTU works with 9V-36V DC power input supplied via the power terminal on the front panel of the device. The power consumption of the device is less than 3W with load. -
Page 14: Chapter 2 Hardware Setup
Vantron | Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 2 HARDWARE SETUP VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 15: Setting Up The Device
3. Install the serial port terminal connector to the RS232 & RS485 terminal; 4. If you are configuring the device via AT commands, dial the RS232 DIP switch to the configuration mode (1: Down, 2: Up); VT-M2M-DTU-LORA | User Manual www.vantrontech.com... - Page 16 6. Connect the terminal end of the female DC power connector to the power terminal of the DTU-LoRa and the round end to the 12V/24V DC power adapter; 7. Power on the DTU-LoRa and the PWR indicator will turn solid green. VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
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Page 17: Device Topology
LoRa gateway via the LoRa technology. The data can be then upload to an IoT cloud. Conversely, data from the IoT cloud can be distributed back through the LoRa gateway to the VT-M2M-DTU-LoRa and ultimately delivered to the non-LoRa end nodes. The following is a typical application topology of the DTU. -
Page 18: Led Indicators
In both debug mode and configuration mode, the parameters of RS232 are fixed at 115200, 8N1. In the data mode, the RS232 parameters are subject to user configurations, with a default setting of 115200, 8N1. VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 19: Chapter 3 Device Provisioning
Vantron | Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 3 DEVICE PROVISIONING VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 20: Connecting A Lora Gateway
World-leading provider of embedded/IoT products and solutions Connecting a LoRa Gateway This section is going to involve Vantron G335-LoRa edge computing gateway for the illustration of connecting VT-M2M-DTU-LoRa to a LoRa gateway via LoRa. The G335-LoRa gateway is based on the full-featured G335 industrial gateway, enhanced with integrated LoRa functionality. -
Page 21: Checking The Dtu Information
4. Send the AT command AT&APPKEY to check the application key of the DTU, and save it for the later device registration. More AT commands are available in Chapter 4, allowing you to use for the configuration of the DTU. VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 22: Setting Up The Lora Gateway
2. Plug an Ethernet cable into ETH0 to connect the gateway to Internet; 3. Use a DB9 male to 3.5mm serial adapter or other way to connect the gateway to the host computer (sometimes a USB to RS232 female adapter might be needed); VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 23: Registering The Dtu On The Network Server
Registering the DTU on the Network Server 3.1.3 1. Open a serial emulator (for instance, MobaXterm) on the window host; 2. Launch a serial session for the LoRa gateway using the following parameters (115200, 8N1); VT-M2M-DTU-LORA | User Manual www.vantrontech.com... - Page 24 5. Enter the command journalctl -f to check the device log and identify the gateway ID for later use; 6. Enter the IP address of eth0 in the browser with 8080 as the port number to access the web page of the gateway; VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
- Page 25 Set an interval for refreshing the statistics of the gateway (30 seconds by default). You can check the gateway status by clicking on the Gateway menu again. 10. Navigate to Tenant > Device Profiles > Add device profile to set up a profile for the DTU; VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
- Page 26 12. Navigate to Tenant > Application and click the Add application button; 13. Enter a name and description for the application, and you will be redirected to the device window; 14. Click the Add device button to add a DTU; VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
- Page 27 18. After re-powering the DTU or performing a short press on the Restore button, the DTU will connect to the LoRa gateway right away. Once connected, the LoRa LED indicator will turn solid green, indicating successful connection. VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
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Page 28: Data Communication Testing
2. Use the DB9 male to 3.5mm serial adapter or other way to connect the debug port of the LoRa gateway to the host computer; 3. Follow the steps set out in 3.1.3 to register the DTU and connect it to the LoRa gateway; VT-M2M-DTU-LORA | User Manual www.vantrontech.com... - Page 29 If no data transfer occurs, heartbeat data will be refreshed every 20 seconds with the data content being the DevEUI of the DTU, allowing users to verify the DTU's connection status to the LoRa gateway. In this scenario, the FPort value is 1. VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
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Page 30: Gateway To Dtu
Enqueue button to send the data; 6. Launch the serial debugger and open the serial port on the DTU using the following parameters: 115200 (default), 8N1; 7. Check the data received from the gateway. VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 31: Firmware Upgrade
World-leading provider of embedded/IoT products and solutions Firmware Upgrade Vantron DTOOL offers users an easy way to upgrade Vantron DTU devices. DTOOL is located at: /Tools/DTOOL-xxx in the release package. The firmware file is available at: /Firmware/Upgrade in the release package. - Page 32 3. Navigate to DTU Management > Firmware Upgrade to check the current firmware version of the device; 4. Click the Select File button to upload the .bin file from the release package provided by Vantron (usually in the path: /Firmware/Upgrade); VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
- Page 33 | Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions 5. Once uploaded, the firmware information will be displayed for verification. Click Upgrade to proceed; 6. When the upgrade completes, a prompt message will display. VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
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Page 34: Dtu Information Printing
World-leading provider of embedded/IoT products and solutions DTU Information Printing When the RS232 port of VT-M2M-DTU-LoRa is set to the debug mode (1: Down, 2: Down), real-time device information can be printed. The serial port parameters in this mode are: 115200, 8N1. -
Page 35: Chapter 4 Typical At Commands
Vantron | Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 4 TYPICAL AT COMMANDS VT-M2M-DTU-LORA | User Manual www.vantrontech.com... - Page 36 | Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions VT-M2M-DTU-LoRa offers a collection of AT commands for configuring or querying the information of the device. When using AT commands, make sure you have dialed the RS232 DIP switch to the configuration mode (1: Down, 2: Up) and connected the DTU to the Windows host computer via the RS232 port.
- Page 37 (boot options): 0- boot up on ATSTI=<model>,<sn>,<version>, power, 1- reboot on ‘reboot’ command; ATSTI <boot_mode>,<systime> 2- reboot on ‘reset’ command; 3- reboot upon completion of upgrade; 4- abnormal reboot; 5- reboot on module upgrade; system time: time in seconds VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
- Page 38 DTU and the LoRa gateway. 8. AT&RST: To restore the device parameters to the default settings AT command Response Description To restore the parameters of RS232/RS485 to AT&RST 115200, 8N1 and restore the default values of DEVEUI and APPKEY VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
- Page 39 Description +SNR: 8 AT&SNR The signal-to-noise ratio is 8dB 13. AT&CON: To query the connection status between the DTU and the LoRa gateway AT command Response Description OK: Connected AT&CON +CONNECT: OK Failed: Not connected VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
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Page 40: Chapter 5 Disposal And Warranty
Vantron | Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 5 DISPOSAL AND WARRANTY VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 41: Disposal
& electronic waste recycling/disposal center. Proper disposal of this sort of waste helps avoid harm and adverse effect upon surroundings and people’s health. Please contact local organizations or recycling/disposal center for more recycling/disposal methods of related products. VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 42: Warranty
CUSTOMER’s location and no Product so inspected shall be returned to VANTRON unless the cause for the rejection or defect is determined to be the responsibility of VANTRON. VANTRON shall in turn provide the CUSTOMER turnaround shipment on defective Product within fourteen (14) working days upon its receipt at VANTRON. -
Page 43: Appendix A Specifications Of G335 Edge Computing Gateway
Heartbeat detection, automatic re-connection Network reliability Failover supported, link backup between Ethernet, Wi-Fi and 4G/LTE Operating: -20℃ ~ +70℃ (Optional: -40℃ ~ +85℃) Temperature Environment Storage: -40℃~+85℃ Condition Humidity RH 5%-95% (Non-condensing) Certification FCC, PTCRB VT-M2M-DTU-LORA | User Manual www.vantrontech.com... -
Page 44: Appendix B Regulatory Compliance Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body. The device has been evaluated to meet general RF exposure requirement. VT-M2M-DTU-LORA | User Manual www.vantrontech.com... - Page 45 (e.i.r.p.) is not more than that necessary for successful communication. Le présent appareil est conforme aux CNR d’ ISED applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: VT-M2M-DTU-LORA | User Manual www.vantrontech.com...
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