Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual

Last modified by Mengting Qiu on 2025/02/26 15:04

From version < 147.7 >

edited by Xiaoling
on 2022/06/10 17:41

To version < 149.4 >

edited by Xiaoling
on 2022/06/10 17:57

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@@ -994,7 +994,7 @@
  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
--[[image:image-20220610105907-1.png]]
++[[image:image-20220610174917-9.png]]
  (% style="color:#037691" %)**Downlink Command: 0x06**
@@ -1007,184 +1007,54 @@
  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
--= 5.  Battery & How to replace =
--== 5.1  Battery Type ==
++= 4.  FAQ =
--(((
--LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
--)))
++== 4.1  What is the frequency plan for LDDS75? ==
--(((
--The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
--)))
++LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:
--[[image:1654593587246-335.png]]
--Minimum Working Voltage for the LLDS12:
++== 4.2  How to change the LoRa Frequency Bands/Region ==
--LLDS12:  2.45v ~~ 3.6v
++You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
++When downloading the images, choose the required image file for download.
--== 5.2  Replace Battery ==
++== 4.3  Can I use LDDS75 in condensation environment? ==
--(((
--Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
--)))
++LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
--(((
--And make sure the positive and negative pins match.
--)))
++= 5.  Trouble Shooting =
--== 5.3  Power Consumption Analyze ==
++== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
--(((
--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.
--)))
  (((
--Instruction to use as below:
++
  )))
--**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
++== 5.2  AT Command input doesn't work ==
--[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
--
--
--**Step 2**: Open it and choose
--
--* Product Model
--* Uplink Interval
--* Working Mode
--
--And the Life expectation in difference case will be shown on the right.
--
--[[image:1654593605679-189.png]]
--
--
--The battery related documents as below:
--
--* (((
--[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
--)))
--* (((
--[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
--)))
--* (((
--[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
--)))
--
--[[image:image-20220607172042-11.png]]
--
--
--
--=== 5.3.1  Battery Note ===
--
--(((
--The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
--)))
--
--
--
--=== 5.3.2  Replace the battery ===
--
--(((
--You can change the battery in the LLDS12.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. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
--)))
--
--(((
--The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
--)))
--
--
--
--= 6.  Use AT Command =
--
--== 6.1  Access AT Commands ==
--
--LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
--
--[[image:1654593668970-604.png]]
--
--**Connection:**
--
--(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
--
--(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
--
--(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
--
--
--(((
--(((
--In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
--)))
--
--(((
--LLDS12 will output system info once power on as below:
--)))
--)))
--
--
-- [[image:1654593712276-618.png]]
--
--Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
--
--
--= 7.  FAQ =
--
--== 7.1  How to change the LoRa Frequency Bands/Region ==
--
--You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
--When downloading the images, choose the required image file for download.
--
--
--= 8.  Trouble Shooting =
--
--== 8.1  AT Commands input doesn’t work ==
--
--
--(((
  In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
--)))
--
--== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
--
--
  (((
--(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
--)))
--
--(((
--Troubleshooting: Please avoid use of this product under such circumstance in practice.
--)))
--
--(((
  )))
--(((
--(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
--)))
--(((
--Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
--)))
++= 6.  Order Info =
--= 9.  Order Info =
++Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
--Part Number: (% style="color:blue" %)**LLDS12-XX**
--
--
  (% style="color:blue" %)**XX**(%%): The default frequency band
  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
@@ -1196,12 +1196,18 @@
  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
--= 10.  Packing Info =
++(% style="color:blue" %)**YY**(%%): Battery Option
++* (% style="color:red" %)**4**(%%): 4000mAh battery
++* (% style="color:red" %)**8**(%%): 8500mAh battery
++
++= 7.  Packing Info =
++
++
  **Package Includes**:
--* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
++* LDDS75 LoRaWAN Distance Detection Sensor x 1
  **Dimension and weight**:
@@ -1210,7 +1210,8 @@
  * Package Size / pcs : cm
  * Weight / pcs : g
--= 11.  Support =
++= 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.
  * 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>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].

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