Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual

Last modified by Mengting Qiu on 2025/08/06 17:02

From 174.8 to 174.7 From 176.1 to 175.24

From version 175.24

edited by Xiaoling
on 2022/06/15 11:09

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To version 174.8

edited by Xiaoling
on 2022/06/15 10:37

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@@ -100,9 +100,6 @@
  * IP66 Waterproof Enclosure
  * 8500mAh Battery for long term use
--
--
--
  == 1.3  Suitable Container & Liquid ==
  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
@@ -112,9 +112,6 @@
  ** Pure non metal material: <10 mm
  * Pure liquid without irregular deposition.
--
--
--
  == 1.4  Mechanical ==
  [[image:image-20220615090910-1.png]]
@@ -204,9 +204,6 @@
  * Smart liquid control solution.
  * Smart liquefied gas solution.
--
--
--
  == 1.7  Precautions ==
  * At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
@@ -213,9 +213,6 @@
  * For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
  * When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
--
--
--
  == 1.8  Pin mapping and power on ==
@@ -376,7 +376,6 @@
--
  === 2.3.3  Interrupt Pin ===
  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
@@ -420,7 +420,7 @@
  While using TTN network, you can add the payload format to decode the payload.
--[[image:1655261164557-670.png]]
++[[image:1654850829385-439.png]]
  The payload decoder function for TTN V3 is here:
@@ -510,7 +510,6 @@
--
  == 2.7  Firmware Change Log ==
@@ -531,6 +531,8 @@
  == 2.8  Battery Analysis ==
++
++
  === 2.8.1  Battery Type ===
  The LDDS20 battery is a combination of a 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
@@ -605,121 +605,46 @@
  (((
--In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS20. LDDS20 will output system info once power on as below:
++In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
  )))
   [[image:image-20220610172924-6.png||height="601" width="860"]]
--Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]].
--AT+<CMD>?  :    Help on <CMD>
++== 3.2  Set Transmit Interval Time ==
--AT+<CMD>   :     Run <CMD>
++Feature: Change LoRaWAN End Node Transmit Interval.
--AT+<CMD>=<value>  :     Set the value
++(% style="color:#037691" %)**AT Command: AT+TDC**
--AT+<CMD>=?  :                 Get the value
++[[image:image-20220610173409-7.png]]
--(% style="color:#037691" %)** General Commands :**
++(((
++(% style="color:#037691" %)**Downlink Command: 0x01**
++)))
--AT  :           Attention
++(((
++(((
++Format: Command Code (0x01) followed by 3 bytes time value.
--AT?  :          Short Help
++(((
++If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
++)))
--ATZ :          MCU Reset
++* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
++* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
++)))
++)))
--AT+TDC :   Application Data Transmission Interval
--(% style="color:#037691" %)** Keys, IDs and EUIs management :**
--AT+APPEUI  :      Application EUI
--AT+APPKEY  :     Application Key
++== 3.3  Set Interrupt Mode ==
--AT+APPSKEY  :   Application Session Key
--
--AT+DADDR :      Device Address
--
--AT+DEUI :          Device EUI
--
--AT+NWKID  :     Network ID (You can enter this command change only after successful network connection)
--
--AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network
--
--AT+CFM :           Confirm Mode
--
--AT+CFS :            Confirm Status
--
--AT+JOIN  :         Join LoRa? Network
--
--AT+NJM  :          LoRa? Network Join Mode
--
--AT+NJS  :           LoRa? Network Join Status
--
--AT+RECV  :        Print Last Received Data in Raw Format
--
--AT+RECVB :       Print Last Received Data in Binary Format
--
--AT+SEND  :       Send Text Data
--
--AT+SENB  :       Send Hexadecimal Data
--
--
--(% style="color:#037691" %)** LoRa Network Management :**
--
--AT+ADR  :        Adaptive Rate
--
--AT+CLASS  :     LoRa Class(Currently only support class A
--
--AT+DCS  :        Duty Cycle Setting
--
--AT+DR  :          Data Rate (Can Only be Modified after ADR=0)
--
--AT+FCD  :        Frame Counter Downlink
--
--AT+FCU  :        Frame Counter Uplink
--
--AT+JN1DL  :    Join Accept Delay1
--
--AT+JN2DL   :   Join Accept Delay2
--
--AT+PNM   :     Public Network Mode
--
--AT+RX1DL  :   Receive Delay1
--
--AT+RX2DL  :   Receive Delay2
--
--AT+RX2DR  :   Rx2 Window Data Rate
--
--AT+RX2FQ  :   Rx2 Window Frequency
--
--AT+TXP  :        Transmit Power
--
--
--(% style="color:#037691" %)** Information :**
--
--AT+RSSI  :     RSSI of the Last Received Packet
--
--AT+SNR   :    SNR of the Last Received Packet
--
--AT+VER   :     Image Version and Frequency Band
--
--AT+FDR  :      Factory Data Reset
--
--AT+PORT  :   Application Port
--
--AT+CHS   :    Get or Set Frequency (Unit: Hz) for Single Channel Mode
--
-- AT+CHE   :   Get or Set eight channels mode, Only for US915, AU915, CN470
--
--
--
--== 3.2  Set Interrupt Mode ==
--
  Feature, Set Interrupt mode for GPIO_EXIT.
  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
@@ -738,23 +738,27 @@
  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
--
--
  = 4.  FAQ =
--== 4.1  What is the frequency plan for LDDS20? ==
++== 4.1  What is the frequency plan for LDDS75? ==
--LDDS20 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
++LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
  == 4.2  How to change the LoRa Frequency Bands/Region ==
--You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
++You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
  When downloading the images, choose the required image file for download.
++== 4.3  Can I use LDDS75 in condensation environment? ==
++
++LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
++
++
++
  = 5.  Trouble Shooting =
  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
@@ -774,7 +774,7 @@
  = 6.  Order Info =
--Part Number **:** (% style="color:blue" %)**LDDS20-XX**
++Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
@@ -788,20 +788,18 @@
  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
++(% style="color:blue" %)**YY**(%%): Battery Option
++* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
++* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
++
  = 7.  Packing Info =
  **Package Includes**:
--* LDDS20 LoRaWAN Liquid Level Sensor x 1
++* LDDS75 LoRaWAN Distance Detection Sensor x 1
--
--(% style="color:red" %)**Note:**
--
--(% style="color:red" %)**Ultrasonic coupling paste**(%%) and(% style="color:red" %)** Eproxy AB glue**(%%) are subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
--
--
  **Dimension and weight**:
  * Device Size: cm
@@ -809,7 +809,6 @@
  * Package Size / pcs : cm
  * Weight / pcs : g
--
  = 8.  Support =
  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.

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