Version 47.21 by Xiaoling on 2022/06/14 16:14
Show last authors
1 (% style="text-align:center" %)
2 [[image:1654679359875-169.png]]
3
4
5
6
7 **Table of Contents:**
8
9 {{toc/}}
10
11
12
13
14
15 = 1. Introduction =
16
17 == 1.1 What is LDS02 LoRaWAN Door Sensor ==
18
19
20 (((
21 (((
22 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.
23 )))
24
25 (((
26 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.
27 )))
28
29 (((
30 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.
31 )))
32
33 (((
34 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.
35 )))
36
37 (((
38 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.
39
40
41 )))
42 )))
43
44 [[image:image-20220608171947-2.png]]
45
46
47
48 == 1.2 Features ==
49
50 * LoRaWAN Class A v1.0.3
51 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
52 * SX1262 LoRa Core
53 * Water Leak detect
54 * 2 x AAA LR03 Batteries
55 * AT Commands to change parameters
56 * Uplink on periodically and open/close action
57 * Remote configure parameters via LoRa Downlink
58 * Firmware upgradable via program port
59
60
61
62 == 1.3 Applications ==
63
64 * Smart Buildings & Home Automation
65 * Logistics and Supply Chain Management
66 * Smart Metering
67 * Smart Agriculture
68 * Smart Cities
69 * Smart Factory
70
71
72
73 == 1.4 Dimension ==
74
75 Unit: mm
76
77 [[image:1654680563545-120.png]]
78
79
80 [[image:1654680510816-654.png]]
81
82
83 == 1.5 Firmware Change log ==
84
85 (((
86 (((
87 LDS02 use the same firmware as LDS01.
88 )))
89
90 (((
91 [[LDS02 Image files – Download link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
92 )))
93 )))
94
95
96 = 2. Power ON LDS02 =
97
98 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.
99
100
101 = 3. How to install LDS02 =
102
103 (((
104 (((
105 When install the LDS02 on wall. Please make sure install as below so the marks will close to each other when close the door.
106 )))
107
108 (((
109 Open/Close threshold range: ~~ 25mm
110 )))
111 )))
112
113 [[image:1654680716522-793.png]]
114
115
116
117 = 4. Operation Mode =
118
119 == 4.1 How it works? ==
120
121 (((
122 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.PowerONLDS02"]] the LDS02. It will auto join the network via OTAA.
123 )))
124
125 (((
126 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.
127 )))
128
129
130 == 4.2 Example to join LoRaWAN network ==
131
132 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. 
133
134 [[image:1654680810108-149.png]]
135
136
137 (((
138 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.
139 )))
140
141 * (((
142 A keep-alive message which send once per day.
143 )))
144 * (((
145 A door event message when there is a door open/close. ([[Alarm event can be disabled>>||anchor="H7.3CanIdisableuplinkforeacheventtosavebatterylife3F"]])
146 )))
147
148 (((
149
150
151 (((
152 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:
153 )))
154 )))
155
156 (((
157 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from LDS02.
158 )))
159
160 (((
161 Each LDS02 is shipped with a sticker with unique device EUI:
162 )))
163
164 [[image:1654671040430-368.png]]
165
166
167 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
168
169
170 **Add APP EUI in the application**
171
172 [[image:1654671794691-956.png]]
173
174
175 [[image:1654671809850-574.png]]
176
177 [[image:1654671820156-640.png]]
178
179
180 [[image:1654681258096-500.png]]
181
182
183
184 **Add APP KEY and DEV EUI**
185
186 [[image:1654671889112-678.png]]
187
188
189 (((
190 (% style="color:blue" %)**Step 2**(%%):  **[[Power on>>||anchor="H2.PowerONLDS02"]]** LDS02 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.
191 )))
192
193
194 [[image:1654681390551-993.png]]
195
196
197
198 == 4.3 Uplink Payload ==
199
200
201 Uplink Payload total 10 bytes.
202
203 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:480px" %)
204 |=(% style="width: 80px;" %)**Size(bytes)**|=(% style="width: 80px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 80px;" %)**3**|=(% style="width: 80px;" %)**3**|=(% style="width: 80px;" %)**1**
205 |value|Status&BAT|(((
206 MOD
207
208 Always:0x01
209 )))|Total open door events|(((
210 Last door open
211
212 duration (unit: min)
213 )))|[[Alarm>>||anchor="H4.6AlarmBaseonTimeout"]]
214
215 **Example:**
216
217 [[image:1654681706301-731.png]]
218
219 [[image:1654681714641-440.png]]
220
221
222 (((
223 Example Payload Decoder in TTN V3: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS02/Payload/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Payload/]]
224 )))
225
226
227 == 4.4 Downlink Payload ==
228
229
230 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:410px" %)
231 |=(% style="width: 180px;" %)**Downlink Control Type**|=(% style="width: 80px;" %)**Type Code**|=(% style="width: 150px;" %)**Downlink payload size(bytes)**
232 |(% style="width:180px" %)TDC (Transmit Time Interval—Keep Alive Interval)|(% style="width:80px" %)0x01|(% style="width:150px" %)4
233 |(% style="width:180px" %)RESET|(% style="width:80px" %)0x04|(% style="width:224px" %)2
234 |(% style="width:180px" %)[[Set confirmed mode>>||anchor="HTypeCode0x05"]]|(% style="width:80px" %)0x05|(% style="width:150px" %)2
235 |(% style="width:180px" %)[[Clear Counting>>||anchor="HTypeCode0xA6"]]|(% style="width:80px" %)0xA6|(% style="width:150px" %)2
236 |(% style="width:180px" %)[[Enable/Disable Alarm>>||anchor="HTypeCode0xA7"]]|(% style="width:80px" %)0xA7|(% style="width:150px" %)2
237 |(% style="width:180px" %)[[Control ADR/DR>>||anchor="HTypeCode0xA8"]]|(% style="width:80px" %)0xA8|(% style="width:150px" %)3
238 |(% style="width:180px" %)[[Set Alarm Timeout>>||anchor="HTypeCode0xA9"]]|(% style="width:80px" %)0xA9|(% style="width:150px" %)4
239
240 Example Downlink payload setting in TTN V3:
241
242 [[image:1654673412319-976.png]]
243
244
245 === (% style="color:#037691" %)**Type Code 0x01**(%%) ===
246
247 If the payload=0100003C, means to control the LDS02’s Keep Alive interval to 0x00003C=60(S)
248
249
250 === (% style="color:#037691" %)**Type Code 0x04**(%%) ===
251
252 If payload = 0x04FF, it will reset the LDS02.
253
254
255 === (% style="color:#037691" %)**Type Code 0x05**(%%) ===
256
257 (((
258 0x05 00: Set uplink to LoRaWAN unconfirmed mode
259 )))
260
261 (((
262 0x05 01: Set uplink to LoRaWAN confirmed mode
263 )))
264
265
266 === (% style="color:#037691" %)**Type Code 0xA6**(%%) ===
267
268 (((
269 Example: 0xA601: Clear Counting
270 For LDS02: reset both count number and time.
271 )))
272
273
274 === (% style="color:#037691" %)**Type Code 0xA7**(%%) ===
275
276 (((
277 0xA7 01 : Equal to AT+DISALARM=1
278 )))
279
280 (((
281 0xA7 00 : Equal to AT+DISALARM=0
282 )))
283
284
285 === (% style="color:#037691" %)**Type Code 0xA8**(%%) ===
286
287 (((
288 Format: 0xA8 aa bb
289 )))
290
291 (((
292 aa: 1: Enable ADR; 0: Disable ADR (Same as AT+CADR command)
293 )))
294
295 (((
296 bb: set DR (Same as AT+CDATARATE ,only valid after ADR=0)
297 )))
298
299 (((
300 Example: 0x A8 00 02 : Set ADR=0 and DR=1
301 )))
302
303
304 === (% style="color:#037691" %)**Type Code 0xA9**(%%) ===
305
306 See [[Alarm Base Timeout>>||anchor="H4.6AlarmBaseonTimeout"]] for detail.
307
308
309 == 4.5 Integrate with Datacake ==
310
311 (((
312 (((
313 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:
314 )))
315 )))
316
317 (((
318
319 )))
320
321 (((
322 (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
323 )))
324
325 (((
326 (% 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:
327 )))
328
329
330 [[image:1654674520913-519.png]]
331
332
333 [[image:1654674530910-914.png]]
334
335
336 [[image:1654674543078-401.png]]
337
338
339 (% style="color:blue" %)**Step 3**(%%): Create an account or log in Datacake.
340
341 (% style="color:blue" %)**Step 4**(%%): Search LDS02 and add DevEUI.
342
343 [[image:1654674556510-911.png]]
344
345
346 == 4.6 Alarm Base on Timeout ==
347
348 (((
349 (((
350 LDS02 can monitor the timeout for a status change, this feature can be used to monitor some event such as open fridge too long etc.
351 )))
352
353 (((
354 User configure this feature by using:
355 )))
356 )))
357
358 (((
359 (((
360
361 )))
362 )))
363
364 (((
365 (((
366 (% style="color:blue" %)**AT Command**(%%) to configure:
367 )))
368 )))
369
370 * (((
371 (((
372 **AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open
373 )))
374 )))
375
376 (((
377 (((
378 status for more than 30 seconds. LDS02 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.
379 )))
380 )))
381
382 * (((
383 (((
384 **AT+TTIG=0,0**  **~-~->**  Default Value, disable timeout Alarm.
385 )))
386 )))
387
388 (((
389 (((
390
391
392 (% style="color:blue" %)**Downlink Command**(%%) to configure:
393 )))
394 )))
395
396 (((
397 (((
398 **Command: 0xA9 aa bb cc**
399 )))
400 )))
401
402 (((
403 (((
404 A9: Command Type Code
405 )))
406 )))
407
408 (((
409 (((
410 aa: status to be monitor
411 )))
412 )))
413
414 (((
415 (((
416 bb cc: timeout.
417 )))
418 )))
419
420 (((
421 (((
422
423 )))
424 )))
425
426 (((
427 (((
428 If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
429 )))
430 )))
431
432 (((
433 (((
434 Or
435 )))
436 )))
437
438 (((
439 (((
440 0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
441 )))
442 )))
443
444
445
446 == 4.7 LEDs ==
447
448
449 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:463px" %)
450 |=(% style="width: 184px;" %)**Action**|=(% style="width: 275px;" %)**LED behavior**
451 |(% 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(%%)**
452 |(% style="width:184px" %)Joined successful|(% style="width:275px" %)(% style="color:green" %)**GRENN LED **(%%)on 5s
453 |(% style="width:184px" %)Send an uplink message|(% style="width:275px" %)(% style="color:green" %)**GREEN LED**(%%) blinks once
454 |(% style="width:184px" %)Got a downlink message|(% style="width:275px" %)(% style="color:blue" %)**BLUE LED**(%%) blinks once
455
456
457 = 5. Battery & How to replace =
458
459 == 5.1 Battery Type and replace ==
460
461 (((
462 LDS02 is equipped with 2 x AAA LR03 batteries. If the batteries running low (shows 2.1v in the platform). User can buy generic AAA battery and replace it.
463
464 **Note:**
465
466 1. The LDS02 doesn’t have any screw, use can use nail to open it by the middle.
467 1. Make sure the direction is correct when install the AAA batteries.
468 )))
469
470 (((
471 (% style="color:red" %)**Important Notice: Make sure use new AAA LR03 battery and the battery doesn’t have broken surface.**
472 )))
473
474 (((
475
476 )))
477
478 (((
479 Example of AAA LR03 batter:
480 )))
481
482 [[image:1654675278044-307.png]]
483
484
485 == 5.2 Power Consumption Analyze ==
486
487 (((
488 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:
489 )))
490
491 (((
492 [[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]]
493 )))
494
495
496 = 6. Use AT Command =
497
498 == 6.1 Access AT Command ==
499
500 LDS02 supports AT Command set. User can use a USB to TTL adapter to configure LDS02 via use AT command, as below.
501
502 [[image:image-20220609085453-1.png]]
503
504
505 (% style="background-color:yellow" %)**USB to TTL <- -> LDS02**
506
507 (% style="background-color:yellow" %)**RX <- -> TXD**
508
509 (% style="background-color:yellow" %)**TX <- -> RXD**
510
511 (% style="background-color:yellow" %)**GND <- -> GND**
512
513
514 (((
515 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 LDS02. Below is the output for reference:
516 )))
517
518 (((
519 The AT Access password is (% style="color:red" %)**123456**.
520 )))
521
522 [[image:1654675618022-630.png]]
523
524
525 (((
526 Each AT Command need to (% style="color:red" %)**add an ENTER**(%%) at the end before send.
527 )))
528
529 (((
530 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.
531 )))
532
533 (((
534 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/]]
535 )))
536
537
538 = 7. FAQ =
539
540 == 7.1 How to upgrade the image? ==
541
542 User can upgrade the of LDS02 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]]
543
544
545 == 7.2 How to change the LoRa Frequency Bands/Region? ==
546
547 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.
548
549
550 == 7.3 Can I disable uplink for each event to save battery life? ==
551
552 Yes, User can use below method to disable this:
553
554
555 (% style="color:#4f81bd" %)**via AT Command**:
556
557 AT+DISALARM=1, End node will only send packet in TDC time.
558
559 AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor. 
560
561
562 (% style="color:#4f81bd" %)**via LoRaWAN downlink Command**:
563
564 0xA701 : Equal to AT+DISALARM=1
565
566 0xA700 : Equal to AT+DISALARM=0
567
568
569 = 8. Order Info =
570
571 **Part Number: (% style="color:blue" %)LDS02-XXX(%%)**
572
573 (% style="color:blue" %)**XXX:**
574
575 * (% style="color:red" %)**EU433**(%%): frequency  bands EU433
576 * (% style="color:red" %)**EU868**(%%): frequency  bands EU868
577 * (% style="color:red" %)**KR920**(%%): frequency  bands KR920
578 * (% style="color:red" %)**CN470**(%%): frequency bands CN470
579 * (% style="color:red" %)**AS923**(%%): frequency  bands AS923
580 * (% style="color:red" %)**AU915**(%%): frequency bands AU915
581 * (% style="color:red" %)**US915**(%%): frequency bands  US915
582 * (% style="color:red" %)**IN865**(%%):  frequency bands  IN865
583 * (% style="color:red" %)**CN779**(%%): frequency bands CN779
584
585
586
587 = 9. Packing Info =
588
589 (((
590 **Package Includes**:
591 )))
592
593 * (((
594 LDS02 x 1
595 )))
596
597 (((
598 **Dimension and weight**:
599 )))
600
601 * (((
602 Device Size: 69.2 x 29.2 x 14.8 mm
603
604
605
606 )))
607
608 = 10. Support =
609
610 * 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.
611 * 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]].
612
613

Applications

Navigation

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