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Content
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7 7  
8 8  
9 9  
10 -**LWL02 – LoRaWAN Water Leak Sensor User Manual**
11 11  
12 -Document Version: 1.3
13 13  
14 -Image Version: v1.3
15 15  
16 16  
17 -|**Version**|**Description**|**Date**
18 -|1.0|Release|2021-May-16
19 -|1.1|Fix payload description error|2021-Jun-3
20 -|1.2|Add More Battery Description|2021-Jul-1
21 -|1.3|Update Photo|2022-Jan-8
22 -| | |
23 -
24 -
25 -
26 -
27 -
28 -[[1.       Introduction. 4>>path:#_Toc92533484]]
29 -
30 -[[1.1     What is LWL02 LoRaWAN Door Sensor 4>>path:#_Toc92533485]]
31 -
32 -[[1.2     Features. 5>>path:#_Toc92533486]]
33 -
34 -[[1.3     Applications. 5>>path:#_Toc92533487]]
35 -
36 -[[1.4     Dimension. 5>>path:#_Toc92533488]]
37 -
38 -[[1.5     Firmware Change log. 5>>path:#_Toc92533489]]
39 -
40 -[[2.       Power ON LWL02. 6>>path:#_Toc92533490]]
41 -
42 -[[3.       How to install LWL02. 6>>path:#_Toc92533491]]
43 -
44 -[[4.       Operation Mode. 7>>path:#_Toc92533492]]
45 -
46 -[[4.1     How it works?. 7>>path:#_Toc92533502]]
47 -
48 -[[4.2     Example to join LoRaWAN network. 7>>path:#_Toc92533503]]
49 -
50 -[[4.3     Uplink Payload. 11>>path:#_Toc92533504]]
51 -
52 -[[4.4     Downlink Payload. 12>>path:#_Toc92533505]]
53 -
54 -[[4.5     Integrate with Datacake. 15>>path:#_Toc92533506]]
55 -
56 -[[4.6     Alarm Base on Timeout 18>>path:#_Toc92533507]]
57 -
58 -[[4.7     LEDs. 19>>path:#_Toc92533508]]
59 -
60 -[[5.       Battery & How to replace. 20>>path:#_Toc92533509]]
61 -
62 -[[5.1     Battery Type and replace. 20>>path:#_Toc92533510]]
63 -
64 -[[5.2     Power Consumption Analyze. 20>>path:#_Toc92533511]]
65 -
66 -[[6.       Use AT Command. 21>>path:#_Toc92533512]]
67 -
68 -[[6.1     Access AT Command. 21>>path:#_Toc92533513]]
69 -
70 -[[7.       FAQ.. 22>>path:#_Toc92533514]]
71 -
72 -[[7.1     How to upgrade the image?. 22>>path:#_Toc92533515]]
73 -
74 -[[7.2     How to change the LoRa Frequency Bands/Region?. 22>>path:#_Toc92533516]]
75 -
76 -[[7.3     Can I disable uplink for each event to save battery life?. 22>>path:#_Toc92533517]]
77 -
78 -[[8.       Order Info. 23>>path:#_Toc92533518]]
79 -
80 -[[9.       Packing Info. 23>>path:#_Toc92533519]]
81 -
82 -[[10.          Support. 23>>path:#_Toc92533520]]
83 -
84 -
85 -
86 -
87 -
88 -
89 89  1. Introduction
90 90  11. What is LWL02 LoRaWAN Water Leak Sensor
91 91  
92 -
93 93  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.
94 94  
95 95  
... ... @@ -106,7 +106,7 @@
106 106  
107 107  
108 108  
109 -*
33 +*
110 110  *1. Features
111 111  * LoRaWAN Class A v1.0.3
112 112  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
... ... @@ -118,8 +118,7 @@
118 118  * Remote configure parameters via LoRa Downlink
119 119  * Firmware upgradable via program port
120 120  
121 -
122 -*
45 +*
123 123  *1. Applications
124 124  * Smart Buildings & Home Automation
125 125  * Logistics and Supply Chain Management
... ... @@ -128,20 +128,17 @@
128 128  * Smart Cities
129 129  * Smart Factory
130 130  
131 -
132 -1.
54 +1.
133 133  11. Dimension
134 134  
135 -
136 136  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
137 137  
138 138  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
139 139  
140 140  
141 -1.
62 +1.
142 142  11. Firmware Change log
143 143  
144 -
145 145  LWL02 use the same firmware as LDS01.
146 146  
147 147  [[LWL02 Image files – Download link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
... ... @@ -151,7 +151,6 @@
151 151  
152 152  1. Power ON LWL02
153 153  
154 -
155 155  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.
156 156  
157 157  
... ... @@ -183,10 +183,10 @@
183 183  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.
184 184  
185 185  
186 -1.
105 +1.
187 187  11. Example to join LoRaWAN network
188 188  
189 -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.
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. 
190 190  
191 191  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
192 192  
... ... @@ -201,7 +201,6 @@
201 201  
202 202  
203 203  
204 -
205 205  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:
206 206  
207 207  **Step 1**: Create a device in TTN V3 with the OTAA keys from LWL02.
... ... @@ -242,10 +242,9 @@
242 242  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
243 243  
244 244  
245 -1.
163 +1.
246 246  11. Uplink Payload
247 247  
248 -
249 249  Uplink Payload total 9 bytes.
250 250  
251 251  
... ... @@ -260,7 +260,6 @@
260 260  duration (unit: min)
261 261  )))
262 262  
263 -
264 264  Example:
265 265  
266 266  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
... ... @@ -273,10 +273,9 @@
273 273  
274 274  
275 275  
276 -1.
192 +1.
277 277  11. Downlink Payload
278 278  
279 -
280 280  |**Downlink Control Type**|**Type Code**|**Downlink payload size(bytes)**
281 281  |TDC (Transmit Time Interval—Keep Alive Interval)|0x01|4
282 282  |RESET|0x04|2
... ... @@ -289,7 +289,6 @@
289 289  
290 290  
291 291  
292 -
293 293  Example Downlink payload setting in TTN V3:
294 294  
295 295  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
... ... @@ -342,10 +342,9 @@
342 342  
343 343  
344 344  
345 -1.
259 +1.
346 346  11. Integrate with Datacake
347 347  
348 -
349 349  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:
350 350  
351 351  
... ... @@ -371,10 +371,9 @@
371 371  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
372 372  
373 373  
374 -1.
287 +1.
375 375  11. Alarm Base on Timeout
376 376  
377 -
378 378  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.
379 379  
380 380  
... ... @@ -389,7 +389,6 @@
389 389  
390 390  * AT+TTIG=0,0 à Default Value, disable timeout Alarm.
391 391  
392 -
393 393  **Downlink Command** to configure:
394 394  
395 395  Command: 0xA9 aa bb cc
... ... @@ -410,10 +410,9 @@
410 410  
411 411  
412 412  
413 -1.
324 +1.
414 414  11. LEDs
415 415  
416 -
417 417  |**Action**|**LED behavior**
418 418  |Power On|**GREEN on 1s, RED on 1s, BLUE on 1s**
419 419  |Joined successful|**GRENN LED **on 5s
... ... @@ -423,7 +423,6 @@
423 423  
424 424  
425 425  
426 -
427 427  1. Battery & How to replace
428 428  11. Battery Type and replace
429 429  
... ... @@ -433,7 +433,6 @@
433 433  1. Make sure the direction is correct when install the AAA batteries.
434 434  
435 435  
436 -
437 437  **Important Notice: Make sure use new AAA LR03 battery and the battery doesn’t have broken surface.**
438 438  
439 439  
... ... @@ -444,7 +444,7 @@
444 444  
445 445  
446 446  
447 -1.
355 +1.
448 448  11. Power Consumption Analyze
449 449  
450 450  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:
... ... @@ -484,32 +484,35 @@
484 484  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/]]
485 485  
486 486  
487 -1. FAQ
488 -11. How to upgrade the image?
489 489  
490 -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]]
491 491  
397 += 7. FAQ =
492 492  
399 +== 7.1 How to upgrade the image? ==
493 493  
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]]
494 494  
495 -1.
496 -11. How to change the LoRa Frequency Bands/Region?
497 497  
498 -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.
499 499  
500 500  
501 -1.
502 -11. Can I disable uplink for each event to save battery life?
406 +== 7.2 How to change the LoRa Frequency Bands/Region? ==
503 503  
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.
409 +
410 +
411 +
412 +
413 +== 7.3 Can I disable uplink for each event to save battery life? ==
414 +
504 504  Yes, User can use below method to disable this:
505 505  
506 -**via AT Command**:
417 +(% style="color:#4f81bd" %)**via AT Command**:
507 507  
508 508  AT+DISALARM=1, End node will only send packet in TDC time.
509 509  
510 -AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor.
421 +AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor. 
511 511  
512 -**via LoRaWAN downlink Command**:
423 +(% style="color:#4f81bd" %)**via LoRaWAN downlink Command**:
513 513  
514 514  0xA701 : Equal to AT+DISALARM=1
515 515  
... ... @@ -518,37 +518,34 @@
518 518  
519 519  
520 520  
432 += 8. Order Info =
521 521  
522 -1. Order Info
434 +**Part Number: (% style="color:blue" %)LWL02-XXX(%%)**
523 523  
436 +(% style="color:blue" %)**XXX:**
524 524  
525 -**Part Number: LWL02-XXX**
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
526 526  
527 -**XXX:**
528 528  
529 -* **EU433**: frequency bands EU433
530 -* **EU868**: frequency bands EU868
531 -* **KR920**: frequency bands KR920
532 -* **CN470**: frequency bands CN470
533 -* **AS923**: frequency bands AS923
534 -* **AU915**: frequency bands AU915
535 -* **US915**: frequency bands US915
536 -* **IN865**: frequency bands IN865
537 -* **CN779**: frequency bands CN779
449 += 9. Packing Info =
538 538  
539 539  
540 -1. Packing Info
541 -
542 542  **Package Includes**:
543 543  
544 544  * LWL02 x 1
545 545  
546 546  
547 -
548 548  = 10.Support =
549 549  
550 550  * 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.
551 551  * 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]].
552 552  
553 -
554 554  
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