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Dragino LDDS45 User Manual

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LoRaWAN Distance Detection Sensor User Manual
Document Version: 1.0
Image Version: v1.1.4
Version
Description
1.0
Release
LDDS45 LoRaWAN Distance Detection Sensor User Manual
www.dragino.com
Date
2021-Aug-11
1
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31

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Summary of Contents for Dragino LDDS45

  • Page 1 LoRaWAN Distance Detection Sensor User Manual Document Version: 1.0 Image Version: v1.1.4 Version Description Date Release 2021-Aug-11 LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 2: Table Of Contents

    Battery Type Replace Battery Power Consumption Analyze 3.3.1 Battery Note 3.3.2 Replace the battery 4. Configure LDDS45 via AT Command or LoRaWAN Downlink Access AT Commands Set Transmit Interval Time Set Interrupt Mode 5. FAQ What is the frequency plan for LDDS45? How to change the LoRa Frequency Bands/Region? 6.
  • Page 3 AT Command input doesn’t work 7. Order Info 8. Packing Info 9. Support LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 4: Introduction

    The LDDS45 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.

  • Page 5: Features

    Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing) b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation) LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 6: Effective Measurement Range Reference Beam Pattern

     Liquid level measurement  Parking management system  Object proximity and presence detection  Intelligent trash can management system  Robot obstacle avoidance  Automatic control  Sewer  Bottom water level monitoring LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 7: Pin Mapping And Power On

    1.5 Pin mapping and power on LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 8: Configure Ldds45 To Connect To Lorawan Network

    2. Configure LDDS45 to connect to LoRaWAN network 2.1 How it works The LDDS45 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS45.

  • Page 9: Quick Guide To Connect To Lorawan Server (Otaa)

    TTN V3 server. Step 1: Create a device in TTN V3 with the OTAA keys from LDDS45. Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
  • Page 10 LDDS45 LoRaWAN Distance Detection Sensor User Manual...
  • Page 11 Choose LDDS75 instead of LDDS45 is ok. They are of the same payload LDDS45 LoRaWAN Distance Detection Sensor User Manual...
  • Page 12 You can also choose to create the device manually. LDDS45 LoRaWAN Distance Detection Sensor User Manual...
  • Page 13 Add APP KEY and DEV EUI LDDS45 LoRaWAN Distance Detection Sensor User Manual...
  • Page 14 Put a Jumper on JP2 to power on the device. ( The switch must be set in FLASH position). Step 3: The LDDS45 will auto join to the TTN V3 network. After join success, it will start to upload messages to TTN V3 and you can see the messages in the panel.

  • Page 15: Uplink Payload

    2.3 Uplink Payload LDDS45 will uplink payload via LoRaWAN with below payload format: Uplink payload includes in total 8 bytes. Size(bytes) Value Distance Digital Interrupt Temperature Sensor Flag (unit: mm) (Optional) ( Optional ) 2.3.1 Battery Info Check the battery voltage for LDDS45.

  • Page 16: Ds18B20 Temperature Sensor

    LDDS45 TTN V3 Payload Decoder: http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Dec oder/ 2.4 Uplink Interval The LDDS45 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Comm ands#Change_Uplink_Interval LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 17: Show Data In Datacake Iot Server

    Step 1: Be sure that your device is programmed and properly connected to the network at this time. Step 2: To configure the Application to forward data to Datacake you will need to add integration. To add the Datacake integration, perform the following steps: LDDS45 LoRaWAN Distance Detection Sensor User Manual...
  • Page 18 Step 3: Create an account or log in Datacake . Step 4: Search the LDDS45 and add DevEUI. LDDS45 LoRaWAN Distance Detection Sensor User Manual...
  • Page 19 After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake. LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 20: Frequency Plans

    Frequency Plans The LDDS45 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets. 2.6.1 EU863-870 (EU868) Uplink: 868.1 - SF7BW125 to SF12BW125 868.3 - SF7BW125 to SF12BW125 and SF7BW250 868.5 - SF7BW125 to SF12BW125...

  • Page 21: Au915-928(Au915)

    AS920~AS923 for Japan, Malaysia, Singapore: 922.2 - SF7BW125 to SF10BW125 922.4 - SF7BW125 to SF10BW125 922.6 - SF7BW125 to SF10BW125 922.8 - SF7BW125 to SF10BW125 923.0 - SF7BW125 to SF10BW125 922.0 - SF7BW125 to SF10BW125 LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 22: Kr920-923 (Kr920)

    Downlink: Uplink channels 1-3 (RX1) 866.550 - SF10BW125 (RX2) 2.7 LED Indicator The LDDS45 has an internal LED which is to show the status of different state. ➢ Blink once when device power on. ➢ The device detects the sensor and flashes 5 times.

  • Page 23: Firmware Change Log

    8~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter. The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 24: Replace Battery

    And make sure the positive and negative pins match. 3.3 Power Consumption Analyze Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.

  • Page 25: Battery Note

    3.3.2 Replace the battery You can change the battery in the LDDS45.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit.

  • Page 26: Configure Ldds45 Via At Command Or Lorawan Downlink

    These commands only valid for LDDS45, as below: 4.1 Access AT Commands User can use a USB to TTL adapter to connect to LDDS45 and access the console to enter AT Commands. Note the TXD/RXD can use 3.3v or 5v.

  • Page 27: Set Transmit Interval Time

    In the PC, you need to set the serial baud rate to 9600 to access the serial console for LDDS45. LDDS45 will output system info once power on as below: 4.2 Set Transmit Interval Time Feature: Change LoRaWAN End Node Transmit Interval.
  • Page 28 0x00003C=60(S), while type code is 01. ➢ Example 1: Downlink Payload: 0100001E // Set Transmit Interval (TDC) = 30 seconds ➢ Example 2: Downlink Payload: 0100003C // Set Transmit Interval (TDC) = 60 seconds LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 29: Set Interrupt Mode

    06. ➢ Example 1: Downlink Payload: 06000000 // Turn off interrupt mode ➢ Example 2: Downlink Payload: 06000003 // Set the interrupt mode to rising edge trigger LDDS45 LoRaWAN Distance Detection Sensor User Manual...

  • Page 30: Faq

    5. FAQ 5.1 What is the frequency plan for LDDS45? LDDS45 use the same frequency as other Dragino products. User can see the detail from this link: http://wiki.dragino.com/index.php?title=End_Device_Frequency_Band#Introduction 5.2 How to change the LoRa Frequency Bands/Region? You can follow the instructions for how to upgrade image.
  • Page 31 ● Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to support@dragino.com LDDS45 LoRaWAN Distance Detection Sensor User Manual...

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