Changes for page LWL02 -- LoRaWAN Water Leak Sensor User Manual

Last modified by Mengting Qiu on 2024/05/29 11:20

From version < 40.3 >

edited by Xiaoling
on 2022/08/18 17:57

To version < 39.1 >

edited by Bei Jinggeng
on 2022/08/16 11:27

Change comment: There is no comment for this version

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--XWiki.Xiaoling
++XWiki.Bei

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  = 1. Introduction =
--
  == 1.1 What is LWL02 LoRaWAN Water Leak Sensor ==
@@ -50,7 +50,6 @@
  == 1.2 Features ==
--
  * LoRaWAN Class A v1.0.3
  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
  * SX1262 LoRa Core
@@ -62,10 +62,8 @@
  * Firmware upgradable via program port
--
  == 1.3 Applications ==
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  * Smart Buildings & Home Automation
  * Logistics and Supply Chain Management
  * Smart Metering
@@ -74,10 +74,8 @@
  * Smart Factory
--
  == 1.4 Dimension ==
--
  [[image:image-20220608143952-2.png]]
  [[image:1654670405145-346.png]]
@@ -86,30 +86,24 @@
  == 1.5 Firmware Change log ==
--
  (((
--LWL02 use the same firmware as LDS01:  [[https:~~/~~/www.dropbox.com/sh/6ls5i0zsvujvbc8/AABe3V5aQXdy7zSxEdEA3DHOa?dl=0>>https://www.dropbox.com/sh/6ls5i0zsvujvbc8/AABe3V5aQXdy7zSxEdEA3DHOa?dl=0]]
++LWL02 use the same firmware as LDS01.
  )))
  (((
--
++[[LWL02 Image files – Download link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
  )))
  = 2. Power ON LWL02 =
--
  When receive the LWL02, please open the enclosure and add 2 x AAA batteries to power it. The [[LED>>||anchor="H4.7LEDs"]] will blink when device is powered.
--
  = 3. How to install LWL02 =
--
  (((
  When install the LWL02 on wall. Please install as below so the water leak probe will be soak in water for water detect purpose. The LWL02 main body is not water proof. Please don't let water go inside the LWL02 main body.
--
--
  )))
  [[image:image-20220608144447-4.png]]
@@ -118,10 +118,8 @@
  = 4. Operation Mode =
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  == 4.1 How it works? ==
--
  (((
  The LWL02 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and [[power on>>||anchor="H2.PowerONLWL02"]] the LWL02. It will auto join the network via OTAA.
  )))
@@ -131,10 +131,8 @@
  )))
--
  == 4.2 Example to join LoRaWAN network ==
--
  Here shows an example for how to join the [[TTN V3 Network>>url:https://eu1.cloud.thethings.network/]]. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
  [[image:1654671007127-335.png]]
@@ -176,7 +176,6 @@
  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
--
  **Add APP EUI in the application**
  [[image:1654671794691-956.png]]
@@ -195,7 +195,6 @@
  [[image:1654671889112-678.png]]
--
  (% style="color:blue" %)**Step 2**(%%): **[[Power on>>||anchor="H2.PowerONLWL02"]]** LWL02 and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
@@ -217,11 +217,10 @@
  (((
--Example Payload Decoder in TTN V3:  [[https:~~/~~/www.dropbox.com/sh/01rpk03gupwzkg2/AAACzAaN2I4MC-rw7oltfzUta?dl=0>>https://www.dropbox.com/sh/01rpk03gupwzkg2/AAACzAaN2I4MC-rw7oltfzUta?dl=0]]
++Example Payload Decoder in TTN V3: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Payload/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Payload/]]
  )))
--
  == 4.4 Downlink Payload ==
@@ -286,10 +286,8 @@
  See [[Alarm Base Timeout>>||anchor="H4.6AlarmBaseonTimeout"]] for detail.
--
  == 4.5 Integrate with Datacake ==
--
  (((
  Datacake provides a human friendly interface to show the sensor data, once we have data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
  )))
@@ -316,10 +316,8 @@
  [[image:1654674556510-911.png]]
--
  == 4.6 Alarm Base on Timeout ==
--
  (((
  LWL02 can monitor the timeout for a status change, this feature can be used to monitor some event such as monitoring water leakage duration etc.
  )))
@@ -337,7 +337,7 @@
  )))
  * (((
--(% style="color:red" %)**AT+TTRIG=1,30 **(%%)  **~-~->** When status change from close to open, and device keep in open
++**AT+TTRIG=1,30 **  **~-~->** When status change from close to open, and device keep in open
  )))
  (((
@@ -345,10 +345,7 @@
  )))
  * (((
--(% style="color:red" %)**AT+TTRIG=0,0** (%%)      **~-~->**  Default Value, disable timeout Alarm.
--
--
--
++**AT+TTIG=0,0**       **~-~->**  Default Value, disable timeout Alarm.
  )))
  (((
@@ -385,9 +385,6 @@
  (((
 xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
--
--
--
  )))
  == 4.7 LEDs ==
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  |(% style="width:184px" %)Got a downlink message|(% style="width:275px" %)(% style="color:blue" %)**BLUE LED**(%%) blinks once
--
  = 5. Battery & How to replace =
--
  == 5.1 Battery Type and replace ==
--
  (((
  LWL02 is equipped with 2 x AAA LR03 batteries. If the batteries running low(see 2.1v in the platform). User can buy generic AAA battery and replace it. Note:
  )))
@@ -434,10 +434,8 @@
  [[image:1654675278044-307.png]]
--
  == 5.2 Power Consumption Analyze ==
--
  (((
  Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
  )))
@@ -447,16 +447,12 @@
  )))
--
  = 6. Use AT Command =
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  == 6.1 Access AT Command ==
--
  LWL02 supports AT Command set. User can use a USB to TTL adapter to configure LWL02 via use AT command, as below.
--
  [[image:image-20220608160336-1.png]]
@@ -479,13 +479,12 @@
  [[image:1654675618022-630.png]]
--
  (((
  Each AT Command need to (% style="color:red" %)**add an ENTER**(%%) at the end before send.
  )))
  (((
--When entering the first command, the (% style="color:red" %)**RED LED**(%%) will on and user can now input AT Commands. After input all needed AT Commands, please input **AT+CLPM=1** to set the device to work in Low Power mode and (% style="color:red" %)**RED LED**(%%) will be off.
++When entering the first command, the (% style="color:red" %)**RED LED**(%%) will on and user can now input AT Commands. After input all needed AT Commands, please input AT+CLPM=1 to set the device to work in Low Power mode and (% style="color:red" %)**RED LED**(%%) will be off.
  )))
  (((
@@ -493,48 +493,38 @@
  )))
--
  = 7. FAQ =
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  == 7.1 How to upgrade the image? ==
--
  User can upgrade the of LWL02 for bug fix, new features, or change working region. The upgrade instruction is here: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
--
  == 7.2 How to change the LoRa Frequency Bands/Region? ==
--
  If user has for example US915 frequency and want to change it to AS923 frequency. User can follow the introduction for [[how to upgrade image>>||anchor="H7.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
--
  == 7.3 Can I disable uplink for each event to save battery life? ==
--
  Yes, User can use below method to disable this:
++(% style="color:#4f81bd" %)**via AT Command**:
--(% style="color:blue" %)**via AT Command**:
++AT+DISALARM=1,    End node will only send packet in TDC time.
--(% style="color:red" %)**AT+DISALARM=1**(%%),    End node will only send packet in TDC time.
++AT+DISALARM=0,    End node will send packet in TDC time or status change for door sensor.
--(% style="color:red" %)**AT+DISALARM=0**(%%),    End node will send packet in TDC time or status change for door sensor.
++(% style="color:#4f81bd" %)**via LoRaWAN downlink Command**:
--(% style="color:blue" %)**via LoRaWAN downlink Command**:
++0xA701 :    Equal to AT+DISALARM=1
--(% style="color:red" %)**0xA701** (%%):    Equal to AT+DISALARM=1
++0xA700 :    Equal to AT+DISALARM=0
--(% style="color:red" %)**0xA700** (%%):    Equal to AT+DISALARM=0
--
--
  = 8. Order Info =
--
  **Part Number: (% style="color:blue" %)LWL02-XXX(%%)**
  (% style="color:blue" %)**XXX:**
@@ -550,20 +550,15 @@
  * (% style="color:red" %)**CN779**(%%): frequency bands CN779
--
--
  = 9. Packing Info =
--
  **Package Includes**:
  * LWL02 x 1
--
  = 10. 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:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].

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