Last modified by Mengting Qiu on 2024/05/29 11:20
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From version < 1.6 >
edited by Xiaoling
on 2022/06/08 14:20
To version < 1.5 >
edited by Xiaoling
on 2022/06/08 14:14
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Summary

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Content
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14 14  1. Introduction
15 15  11. What is LWL02 LoRaWAN Water Leak Sensor
16 16  
17 +
17 17  The Dragino LWL02 is a LoRaWAN Water Sensor. When there is water between the two metal probes, LWL02 indicates a water leak event and uplink to IoT server via LoRaWAN network.
18 18  
19 19  
... ... @@ -30,7 +30,7 @@
30 30  
31 31  
32 32  
33 -*
34 +*
34 34  *1. Features
35 35  * LoRaWAN Class A v1.0.3
36 36  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
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42 42  * Remote configure parameters via LoRa Downlink
43 43  * Firmware upgradable via program port
44 44  
45 -*
46 +
47 +*
46 46  *1. Applications
47 47  * Smart Buildings & Home Automation
48 48  * Logistics and Supply Chain Management
... ... @@ -51,17 +51,20 @@
51 51  * Smart Cities
52 52  * Smart Factory
53 53  
54 -1.
56 +
57 +1.
55 55  11. Dimension
56 56  
60 +
57 57  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
58 58  
59 59  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
60 60  
61 61  
62 -1.
66 +1.
63 63  11. Firmware Change log
64 64  
69 +
65 65  LWL02 use the same firmware as LDS01.
66 66  
67 67  [[LWL02 Image files – Download link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
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71 71  
72 72  1. Power ON LWL02
73 73  
79 +
74 74  When receive the LWL02, please open the enclosure and add 2 x AAA batteries to power it. The [[LED>>path:#LED]] will blink when device is powered.
75 75  
76 76  
... ... @@ -102,10 +102,10 @@
102 102  In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
103 103  
104 104  
105 -1.
111 +1.
106 106  11. Example to join LoRaWAN network
107 107  
108 -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. 
114 +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.
109 109  
110 110  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
111 111  
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120 120  
121 121  
122 122  
129 +
123 123  The LG308 is already set to connect to [[TTN V3 network >>url:https://eu1.cloud.thethings.network/]]. What we need to now is only configure the TTN V3:
124 124  
125 125  **Step 1**: Create a device in TTN V3 with the OTAA keys from LWL02.
... ... @@ -160,9 +160,10 @@
160 160  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
161 161  
162 162  
163 -1.
170 +1.
164 164  11. Uplink Payload
165 165  
173 +
166 166  Uplink Payload total 9 bytes.
167 167  
168 168  
... ... @@ -177,6 +177,7 @@
177 177  duration (unit: min)
178 178  )))
179 179  
188 +
180 180  Example:
181 181  
182 182  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
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189 189  
190 190  
191 191  
192 -1.
201 +1.
193 193  11. Downlink Payload
194 194  
204 +
195 195  |**Downlink Control Type**|**Type Code**|**Downlink payload size(bytes)**
196 196  |TDC (Transmit Time Interval—Keep Alive Interval)|0x01|4
197 197  |RESET|0x04|2
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204 204  
205 205  
206 206  
217 +
207 207  Example Downlink payload setting in TTN V3:
208 208  
209 209  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
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256 256  
257 257  
258 258  
259 -1.
270 +1.
260 260  11. Integrate with Datacake
261 261  
273 +
262 262  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:
263 263  
264 264  
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284 284  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
285 285  
286 286  
287 -1.
299 +1.
288 288  11. Alarm Base on Timeout
289 289  
302 +
290 290  LWL02 can monitor the timeout for a status change, this feature can be used to monitor some event such as open fridge too long etc.
291 291  
292 292  
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301 301  
302 302  * AT+TTIG=0,0 à Default Value, disable timeout Alarm.
303 303  
317 +
304 304  **Downlink Command** to configure:
305 305  
306 306  Command: 0xA9 aa bb cc
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321 321  
322 322  
323 323  
324 -1.
338 +1.
325 325  11. LEDs
326 326  
341 +
327 327  |**Action**|**LED behavior**
328 328  |Power On|**GREEN on 1s, RED on 1s, BLUE on 1s**
329 329  |Joined successful|**GRENN LED **on 5s
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333 333  
334 334  
335 335  
351 +
336 336  1. Battery & How to replace
337 337  11. Battery Type and replace
338 338  
... ... @@ -342,6 +342,7 @@
342 342  1. Make sure the direction is correct when install the AAA batteries.
343 343  
344 344  
361 +
345 345  **Important Notice: Make sure use new AAA LR03 battery and the battery doesn’t have broken surface.**
346 346  
347 347  
... ... @@ -352,7 +352,7 @@
352 352  
353 353  
354 354  
355 -1.
372 +1.
356 356  11. Power Consumption Analyze
357 357  
358 358  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:
... ... @@ -398,7 +398,7 @@
398 398  
399 399  == 7.1 How to upgrade the image? ==
400 400  
401 -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]]
418 +User can upgrade the firmware of LWL02 for bug fix, new features, or change working region. The upgrade instruction is here: [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction]]
402 402  
403 403  
404 404  
... ... @@ -405,7 +405,7 @@
405 405  
406 406  == 7.2 How to change the LoRa Frequency Bands/Region? ==
407 407  
408 -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="H7.1Howtoupgradetheimage"]]. When download the images, choose the required image file for download.
425 +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>>path:#upgrade_image]]. When download the images, choose the required image file for download.
409 409  
410 410  
411 411  
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414 414  
415 415  Yes, User can use below method to disable this:
416 416  
417 -(% style="color:#4f81bd" %)**via AT Command**:
434 +**via AT Command**:
418 418  
419 419  AT+DISALARM=1, End node will only send packet in TDC time.
420 420  
421 -AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor. 
438 +AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor.
422 422  
423 -(% style="color:#4f81bd" %)**via LoRaWAN downlink Command**:
440 +**via LoRaWAN downlink Command**:
424 424  
425 425  0xA701 : Equal to AT+DISALARM=1
426 426  
... ... @@ -431,21 +431,22 @@
431 431  
432 432  = 8. Order Info =
433 433  
434 -**Part Number: (% style="color:blue" %)LWL02-XXX(%%)**
451 +**Part Number:(%%) (% style="color:blue" %)LWL02-XXX**
435 435  
436 -(% style="color:blue" %)**XXX:**
453 +**(% style="color:blue" %)XXX:**
437 437  
438 -* (% style="color:red" %)**EU433**(%%): frequency bands EU433
439 -* (% style="color:red" %)**EU868**(%%): frequency bands EU868
440 -* (% style="color:red" %)**KR920**(%%): frequency bands KR920
441 -* (% style="color:red" %)**CN470**(%%): frequency bands CN470
442 -* (% style="color:red" %)**AS923**(%%): frequency bands AS923
443 -* (% style="color:red" %)**AU915**(%%): frequency bands AU915
444 -* (% style="color:red" %)**US915**(%%): frequency bands US915
445 -* (% style="color:red" %)**IN865**(%%): frequency bands IN865
446 -* (% style="color:red" %)**CN779**(%%): frequency bands CN779
455 +* **(% style="color:red" %)EU433**(%%): frequency bands EU433
456 +* **(% style="color:red" %)EU868**(%%): frequency bands EU868
457 +* **(% style="color:red" %)KR920**(%%): frequency bands KR920
458 +* **(% style="color:red" %)CN470**(%%): frequency bands CN470
459 +* **(% style="color:red" %)AS923**(%%): frequency bands AS923
460 +* **(% style="color:red" %)AU915**(%%): frequency bands AU915
461 +* **(% style="color:red" %)US915**(%%): frequency bands US915
462 +* **(% style="color:red" %)IN865**(%%): frequency bands IN865
463 +* **(% style="color:red" %)CN779**(%%): frequency bands CN779
447 447  
448 448  
466 +
449 449  = 9. Packing Info =
450 450  
451 451  
... ... @@ -454,9 +454,11 @@
454 454  * LWL02 x 1
455 455  
456 456  
475 +
457 457  = 10.Support =
458 458  
459 459  * 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.
460 460  * 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]].
461 461  
481 +
462 462  

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