Version 42.1 by Xiaoling on 2022/06/08 17:48
Show last authors
1 (% style="text-align:center" %)
2 [[image:1654679359875-169.png]]
3
4
5 **Contents:**
6
7 {{toc/}}
8
9
10
11
12
13 = 1. Introduction =
14
15 == 1.1 What is LDS02 LoRaWAN Door Sensor ==
16
17
18 (((
19 The Dragino LDS02 is a (% style="color:#037691" %)**LoRaWAN Door Sensor**(%%). It detects door open/close status and uplink to IoT server via LoRaWAN network. user can see the door status, open time, open counts in the IoT Server.
20
21 LDS02 is powered by (% style="color:#037691" %)**2 x AAA batteries**(%%) and target for long time use, these two batteries can provide about 16,000 ~~ 70,000 uplink packets. After battery running out, user can easily open the enclosure and replace with 2 common AAA batteries.
22
23 The LDS02 will send periodically data every day as well as for each door open/close action. It also (% style="color:#037691" %)**counts the door open times**(%%) and (% style="color:#037691" %)**calculate last door open duration**(%%). User can also disable the uplink for each open/close event, instead, device can count each open event and uplink periodically.
24
25 LDS02 has the (% style="color:#037691" %)**open alarm feature**(%%), user can set this feature so device will send Alarm if the door has been open for a certain time.
26
27 Each LDS02 is (% style="color:#037691" %)**pre-load with a set of unique keys**(%%) for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
28 )))
29
30 [[image:image-20220608171947-2.png]]
31
32
33
34 == 1.2 Features ==
35
36 * LoRaWAN Class A v1.0.3
37 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
38 * SX1262 LoRa Core
39 * Water Leak detect
40 * 2 x AAA LR03 Batteries
41 * AT Commands to change parameters
42 * Uplink on periodically and open/close action
43 * Remote configure parameters via LoRa Downlink
44 * Firmware upgradable via program port
45
46
47 == 1.3 Applications ==
48
49 * Smart Buildings & Home Automation
50 * Logistics and Supply Chain Management
51 * Smart Metering
52 * Smart Agriculture
53 * Smart Cities
54 * Smart Factory
55
56
57 == 1.4 Dimension ==
58
59 Unit: mm
60
61 [[image:1654680563545-120.png]]
62
63
64 [[image:1654680510816-654.png]]
65
66
67 == 1.5 Firmware Change log ==
68
69 (((
70 (((
71 LDS02 use the same firmware as LDS01.
72 )))
73
74 (((
75 [[LDS02 Image files – Download link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
76 )))
77 )))
78
79
80 = 2. Power ON LDS02 =
81
82 When receive the LDS02, please open the enclosure and add 2 x AAA batteries to power it. The [[LED>>||anchor="H4.7LEDs"]] will blink when device is powered.
83
84
85 = 3. How to install LDS02 =
86
87 (((
88 (((
89 When install the LDS02 on wall. Please make sure install as below so the marks will close to each other when close the door.
90 )))
91
92 (((
93 Open/Close threshold range: ~~ 25mm
94 )))
95 )))
96
97 [[image:1654680716522-793.png]]
98
99
100
101 = 4. Operation Mode =
102
103 == 4.1 How it works? ==
104
105 (((
106 The LDS02 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 LDS02. It will auto join the network via OTAA.
107 )))
108
109 (((
110 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>>||anchor="H6.UseATCommand"]] to set the keys in the devices.
111 )))
112
113
114 == 4.2 Example to join LoRaWAN network ==
115
116 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. 
117
118 [[image:1654680810108-149.png]]
119
120
121 (((
122 The LDS02 in installed on the door edge to detect the open / close event. And send the status to LoRaWAN server. The LDS02 will uplink two type of messages to the server.
123 )))
124
125 * (((
126 A keep-alive message which send once per day.
127 )))
128 * (((
129 A door event message when there is a door open/close. ([[Alarm event can be disabled>>||anchor="H7.3CanIdisableuplinkforeacheventtosavebatterylife3F"]])
130 )))
131
132 (((
133
134
135 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:
136 )))
137
138 (((
139 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from LDS02.
140 )))
141
142 (((
143 Each LDS02 is shipped with a sticker with unique device EUI:
144 )))
145
146 [[image:1654671040430-368.png]]
147
148
149 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
150
151 **Add APP EUI in the application**
152
153 [[image:1654671794691-956.png]]
154
155
156 [[image:1654671809850-574.png]]
157
158 [[image:1654671820156-640.png]]
159
160
161 [[image:1654681258096-500.png]]
162
163
164 **Add APP KEY and DEV EUI**
165
166 [[image:1654671889112-678.png]]
167
168
169 (% 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.
170
171
172
173
174
175 == 4.3 Uplink Payload ==
176
177
178 Uplink Payload total 9 bytes.
179
180 [[image:image-20220608150921-5.png]]
181
182
183 **Example:**
184
185 [[image:1654672186477-234.png]]
186
187
188 (((
189 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/]]
190 )))
191
192
193 == 4.4 Downlink Payload ==
194
195
196 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:410px" %)
197 |=(% style="width: 180px;" %)**Downlink Control Type**|=(% style="width: 80px;" %)**Type Code**|=(% style="width: 150px;" %)**Downlink payload size(bytes)**
198 |(% style="width:180px" %)TDC (Transmit Time Interval—Keep Alive Interval)|(% style="width:80px" %)0x01|(% style="width:150px" %)4
199 |(% style="width:180px" %)RESET|(% style="width:80px" %)0x04|(% style="width:224px" %)2
200 |(% style="width:180px" %)[[Set confirmed mode>>||anchor="HTypeCode0x05"]]|(% style="width:80px" %)0x05|(% style="width:150px" %)2
201 |(% style="width:180px" %)[[Clear Counting>>||anchor="HTypeCode0xA6"]]|(% style="width:80px" %)0xA6|(% style="width:150px" %)2
202 |(% style="width:180px" %)[[Enable/Disable Alarm>>||anchor="HTypeCode0xA7"]]|(% style="width:80px" %)0xA7|(% style="width:150px" %)2
203 |(% style="width:180px" %)[[Control ADR/DR>>||anchor="HTypeCode0xA8"]]|(% style="width:80px" %)0xA8|(% style="width:150px" %)3
204 |(% style="width:180px" %)[[Set Alarm Timeout>>||anchor="HTypeCode0xA9"]]|(% style="width:80px" %)0xA9|(% style="width:150px" %)4
205
206 Example Downlink payload setting in TTN V3:
207
208 [[image:1654673412319-976.png]]
209
210
211 === (% style="color:#037691" %)**Type Code 0x01**(%%) ===
212
213 If the payload=0100003C, means to control the LWL02’s Keep Alive interval to 0x00003C=60(S)
214
215
216 === (% style="color:#037691" %)**Type Code 0x04**(%%) ===
217
218 If payload = 0x04FF, it will reset the LWL02.
219
220
221 === (% style="color:#037691" %)**Type Code 0x05**(%%) ===
222
223 0x05 00: Set uplink to LoRaWAN unconfirmed mode
224
225 0x05 01: Set uplink to LoRaWAN confirmed mode
226
227
228 === (% style="color:#037691" %)**Type Code 0xA6**(%%) ===
229
230 Example: 0xA601: Clear Counting
231 For LWL02: reset both count number and time.
232
233
234 === (% style="color:#037691" %)**Type Code 0xA7**(%%) ===
235
236 0xA7 01 : Equal to AT+DISALARM=1
237
238 0xA7 00 : Equal to AT+DISALARM=0
239
240
241 === (% style="color:#037691" %)**Type Code 0xA8**(%%) ===
242
243 Format: 0xA8 aa bb
244
245 aa: 1: Enable ADR; 0: Disable ADR (Same as AT+CADR command)
246
247 bb: set DR (Same as AT+CDATARATE ,only valid after ADR=0)
248
249 Example: 0x A8 00 02 : Set ADR=0 and DR=1
250
251
252 === (% style="color:#037691" %)**Type Code 0xA9**(%%) ===
253
254 See [[Alarm Base Timeout>>||anchor="H4.6AlarmBaseonTimeout"]] for detail.
255
256
257 == 4.5 Integrate with Datacake ==
258
259 (((
260 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:
261 )))
262
263
264 (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
265
266 (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Datacake you will need to add integration. To add the Datacake integration, perform the following steps:
267
268
269 [[image:1654674520913-519.png]]
270
271
272 [[image:1654674530910-914.png]]
273
274
275 [[image:1654674543078-401.png]]
276
277
278 (% style="color:blue" %)**Step 3**(%%): Create an account or log in Datacake.
279
280 (% style="color:blue" %)**Step 4**(%%): Search LWL02 and add DevEUI.
281
282 [[image:1654674556510-911.png]]
283
284
285 == 4.6 Alarm Base on Timeout ==
286
287 (((
288 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.
289 )))
290
291 (((
292 User configure this feature by using:
293 )))
294
295 (((
296
297 )))
298
299 (((
300 (% style="color:blue" %)**AT Command**(%%) to configure:
301 )))
302
303 * (((
304 **AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open
305 )))
306
307 (((
308 status for more than 30 seconds. LWL02 will send an uplink packet, the Alarm bit (the lowest bit of 10^^th^^ byte of payload) on this uplink packet is set to 1.
309 )))
310
311 * (((
312 **AT+TTIG=0,0**  **~-~->**  Default Value, disable timeout Alarm.
313 )))
314
315 (((
316 (% style="color:blue" %)**Downlink Command**(%%) to configure:
317 )))
318
319 (((
320 **Command: 0xA9 aa bb cc**
321 )))
322
323 (((
324 A9: Command Type Code
325 )))
326
327 (((
328 aa: status to be monitor
329 )))
330
331 (((
332 bb cc: timeout.
333 )))
334
335 (((
336
337 )))
338
339 (((
340 If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
341 )))
342
343 (((
344 Or
345 )))
346
347 (((
348 0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
349 )))
350
351
352
353 == 4.7 LEDs ==
354
355
356 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:463px" %)
357 |=(% style="width: 184px;" %)**Action**|=(% style="width: 275px;" %)**LED behavior**
358 |(% style="width:184px" %)Power On|(% style="width:275px" %)(% style="color:green" %)**GREEN on 1s, **(% style="color:red" %)**RED on 1s,**(%%)** (% style="color:blue" %)BLUE on 1s(%%)**
359 |(% style="width:184px" %)Joined successful|(% style="width:275px" %)(% style="color:green" %)**GRENN LED **(%%)on 5s
360 |(% style="width:184px" %)Send an uplink message|(% style="width:275px" %)(% style="color:green" %)**GREEN LED**(%%) blinks once
361 |(% style="width:184px" %)Got a downlink message|(% style="width:275px" %)(% style="color:blue" %)**BLUE LED**(%%) blinks once
362
363 = 5. Battery & How to replace =
364
365 == 5.1 Battery Type and replace ==
366
367 (((
368 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:
369 )))
370
371 1. (((
372 The LWL02 doesn’t have any screw, use can use nail to open it by the middle.
373 )))
374 1. (((
375 Make sure the direction is correct when install the AAA batteries.
376 )))
377
378 (((
379 (% style="color:red" %)**Important Notice: Make sure use new AAA LR03 battery and the battery doesn’t have broken surface.**
380 )))
381
382 (((
383
384 )))
385
386 (((
387 Example of AAA LR03 batter:
388 )))
389
390 [[image:1654675278044-307.png]]
391
392
393 == 5.2 Power Consumption Analyze ==
394
395 (((
396 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:
397 )))
398
399 (((
400 [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
401 )))
402
403
404 = 6. Use AT Command =
405
406 == 6.1 Access AT Command ==
407
408 LWL02 supports AT Command set. User can use a USB to TTL adapter to configure LWL02 via use AT command, as below.
409
410 [[image:image-20220608160336-1.png]]
411
412
413 (% style="background-color:yellow" %)**USB to TTL <- -> LWL02**
414
415 (% style="background-color:yellow" %)**RX <- -> TX**
416
417 (% style="background-color:yellow" %)**TX <- -> RX**
418
419 (% style="background-color:yellow" %)**GND <- -> GND**
420
421
422 (((
423 In PC, User needs to set (% style="color:#037691" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**115200**(%%) to access to access serial console of LWL02. Below is the output for reference:
424 )))
425
426 (((
427 The AT Access password is (% style="color:red" %)**123456**.
428 )))
429
430 [[image:1654675618022-630.png]]
431
432 (((
433 Each AT Command need to (% style="color:red" %)**add an ENTER**(%%) at the end before send.
434 )))
435
436 (((
437 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.
438 )))
439
440 (((
441 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/]]
442 )))
443
444
445 = 7. FAQ =
446
447 == 7.1 How to upgrade the image? ==
448
449 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]]
450
451
452 == 7.2 How to change the LoRa Frequency Bands/Region? ==
453
454 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.
455
456
457 == 7.3 Can I disable uplink for each event to save battery life? ==
458
459 Yes, User can use below method to disable this:
460
461 (% style="color:#4f81bd" %)**via AT Command**:
462
463 AT+DISALARM=1, End node will only send packet in TDC time.
464
465 AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor. 
466
467 (% style="color:#4f81bd" %)**via LoRaWAN downlink Command**:
468
469 0xA701 : Equal to AT+DISALARM=1
470
471 0xA700 : Equal to AT+DISALARM=0
472
473
474 = 8. Order Info =
475
476 **Part Number: (% style="color:blue" %)LWL02-XXX(%%)**
477
478 (% style="color:blue" %)**XXX:**
479
480 * (% style="color:red" %)**EU433**(%%): frequency  bands EU433
481 * (% style="color:red" %)**EU868**(%%): frequency  bands EU868
482 * (% style="color:red" %)**KR920**(%%): frequency  bands KR920
483 * (% style="color:red" %)**CN470**(%%): frequency bands CN470
484 * (% style="color:red" %)**AS923**(%%): frequency  bands AS923
485 * (% style="color:red" %)**AU915**(%%): frequency bands AU915
486 * (% style="color:red" %)**US915**(%%): frequency bands  US915
487 * (% style="color:red" %)**IN865**(%%):  frequency bands  IN865
488 * (% style="color:red" %)**CN779**(%%): frequency bands CN779
489
490 = 9. Packing Info =
491
492 **Package Includes**:
493
494 * LWL02 x 1
495
496 = 10. Support =
497
498 * 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.
499 * 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]].
500
501

Applications

Navigation

Copyright ©2010-2022 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0