Version 50.9 by Xiaoling on 2022/10/27 16:18
Show last authors
1 (% style="text-align:center" %)
2 [[image:1654679359875-169.png]]
3
4
5
6
7
8
9
10
11
12
13 **Table of Contents:**
14
15 {{toc/}}
16
17
18
19
20
21
22
23
24 = 1. Introduction =
25
26
27 == 1.1 What is LDS02 LoRaWAN Door Sensor ==
28
29
30 (((
31 (((
32 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.
33 )))
34
35 (((
36 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.
37 )))
38
39 (((
40 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.
41 )))
42
43 (((
44 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.
45 )))
46
47 (((
48 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.
49
50
51 )))
52 )))
53
54 [[image:image-20220608171947-2.png]]
55
56
57
58 == 1.2 Features ==
59
60
61 * LoRaWAN Class A v1.0.3
62 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
63 * SX1262 LoRa Core
64 * Water Leak detect
65 * 2 x AAA LR03 Batteries
66 * AT Commands to change parameters
67 * Uplink on periodically and open/close action
68 * Remote configure parameters via LoRa Downlink
69 * Firmware upgradable via program port
70
71
72
73 == 1.3 Applications ==
74
75
76 * Smart Buildings & Home Automation
77 * Logistics and Supply Chain Management
78 * Smart Metering
79 * Smart Agriculture
80 * Smart Cities
81 * Smart Factory
82
83
84
85 == 1.4 Dimension ==
86
87
88 Unit: mm
89
90 [[image:1654680563545-120.png]]
91
92
93 [[image:1654680510816-654.png]]
94
95
96
97 == 1.5 Firmware Change log ==
98
99
100 (((
101 (((
102 LDS02 use the same firmware as LDS01：[[LDS02 Image files – Download link>>https://www.dropbox.com/sh/9j35mnsxnz0y3ye/AACj5gHGOURGEHCpj-E861Mua?dl=0]]
103 )))
104 )))
105
106
107
108 = 2. Power ON LDS02 =
109
110
111 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.
112
113
114
115 = 3. How to install LDS02 =
116
117
118 (((
119 (((
120 When install the LDS02 on wall. Please make sure install as below so the marks will close to each other when close the door.
121 )))
122
123 (((
124 Open/Close threshold range: ~~ 25mm
125
126
127 )))
128 )))
129
130 [[image:1654680716522-793.png]]
131
132
133
134 = 4. Operation Mode =
135
136
137 == 4.1 How it works? ==
138
139
140 (((
141 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.
142 )))
143
144 (((
145 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.
146 )))
147
148
149
150 == 4.2 Example to join LoRaWAN network ==
151
152
153 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. 
154
155 [[image:1654680810108-149.png]]
156
157
158 (((
159 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.
160 )))
161
162 * (((
163 A keep-alive message which send once per day.
164 )))
165 * (((
166 A door event message when there is a door open/close. ([[Alarm event can be disabled>>||anchor="H7.3CanIdisableuplinkforeacheventtosavebatterylife3F"]])
167 )))
168
169 (((
170
171
172 (((
173 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:
174
175
176 )))
177 )))
178
179 (((
180 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from LDS02.
181 )))
182
183 (((
184 Each LDS02 is shipped with a sticker with unique device EUI:
185 )))
186
187 [[image:1654671040430-368.png]]
188
189
190 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
191
192
193 **Add APP EUI in the application**
194
195 [[image:1654671794691-956.png]]
196
197
198 [[image:1654671809850-574.png]]
199
200 [[image:1654671820156-640.png]]
201
202
203 [[image:1654681258096-500.png]]
204
205
206
207 **Add APP KEY and DEV EUI**
208
209 [[image:1654671889112-678.png]]
210
211
212
213 (((
214 (% 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.
215 )))
216
217
218 [[image:1654681390551-993.png]]
219
220
221
222 == 4.3 Uplink Payload ==
223
224
225 Uplink Payload total 10 bytes.
226
227 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:480px" %)
228 |=(% 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**
229 |**value**|Status&BAT|(((
230 MOD
231 Always:0x01
232 )))|Total open door events|(((
233 Last door open
234 duration (unit: min)
235 )))|[[Alarm>>||anchor="H4.6AlarmBaseonTimeout"]]
236
237
238
239 **Example:**
240
241 [[image:1654681706301-731.png]]
242
243 [[image:1654681714641-440.png]]
244
245
246 (((
247 Example Payload Decoder in TTN V3: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
248
249
250
251 )))
252
253 == 4.4 Downlink Payload ==
254
255
256 (% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:505px" %)
257 |=(% style="width: 180px;" %)**Downlink Control Type**|=(% style="width: 94px;" %)**Type Code**|=(% style="width: 226px;" %)**Downlink payload size(bytes)**
258 |(% style="width:180px" %)TDC (Transmit Time Interval—Keep Alive Interval)|(% style="width:94px" %)0x01|(% style="width:226px" %)4
259 |(% style="width:180px" %)RESET|(% style="width:94px" %)0x04|(% style="width:226px" %)2
260 |(% style="width:180px" %)[[Set confirmed mode>>||anchor="HTypeCode0x05"]]|(% style="width:94px" %)0x05|(% style="width:226px" %)2
261 |(% style="width:180px" %)[[Clear Counting>>||anchor="HTypeCode0xA6"]]|(% style="width:94px" %)0xA6|(% style="width:226px" %)2
262 |(% style="width:180px" %)[[Enable/Disable Alarm>>||anchor="HTypeCode0xA7"]]|(% style="width:94px" %)0xA7|(% style="width:226px" %)2
263 |(% style="width:180px" %)[[Control ADR/DR>>||anchor="HTypeCode0xA8"]]|(% style="width:94px" %)0xA8|(% style="width:226px" %)3
264 |(% style="width:180px" %)[[Set Alarm Timeout>>||anchor="HTypeCode0xA9"]]|(% style="width:94px" %)0xA9|(% style="width:226px" %)4
265
266 Example Downlink payload setting in TTN V3:
267
268 [[image:1654673412319-976.png]]
269
270
271 === (% style="color:#037691" %)**Type Code 0x01**(%%) ===
272
273 If the payload=0100003C, means to control the LDS02’s Keep Alive interval to 0x00003C=60(S)
274
275
276 === (% style="color:#037691" %)**Type Code 0x04**(%%) ===
277
278 If payload = 0x04FF, it will reset the LDS02.
279
280
281 === (% style="color:#037691" %)**Type Code 0x05**(%%) ===
282
283 (((
284 0x05 00: Set uplink to LoRaWAN unconfirmed mode
285 )))
286
287 (((
288 0x05 01: Set uplink to LoRaWAN confirmed mode
289 )))
290
291
292 === (% style="color:#037691" %)**Type Code 0xA6**(%%) ===
293
294 (((
295 Example: 0xA601: Clear Counting
296 For LDS02: reset both count number and time.
297 )))
298
299
300 === (% style="color:#037691" %)**Type Code 0xA7**(%%) ===
301
302 (((
303 0xA7 01 : Equal to AT+DISALARM=1
304 )))
305
306 (((
307 0xA7 00 : Equal to AT+DISALARM=0
308 )))
309
310
311 === (% style="color:#037691" %)**Type Code 0xA8**(%%) ===
312
313 (((
314 Format: 0xA8 aa bb
315 )))
316
317 (((
318 aa: 1: Enable ADR; 0: Disable ADR (Same as AT+CADR command)
319 )))
320
321 (((
322 bb: set DR (Same as AT+CDATARATE ,only valid after ADR=0)
323 )))
324
325 (((
326 Example: 0x A8 00 02 : Set ADR=0 and DR=1
327 )))
328
329
330 === (% style="color:#037691" %)**Type Code 0xA9**(%%) ===
331
332 See [[Alarm Base Timeout>>||anchor="H4.6AlarmBaseonTimeout"]] for detail.
333
334
335
336 == 4.5 Integrate with Datacake ==
337
338
339 (((
340 (((
341 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:
342 )))
343 )))
344
345 (((
346
347 )))
348
349 (((
350 (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
351 )))
352
353 (((
354 (% 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:
355 )))
356
357
358 [[image:1654674520913-519.png]]
359
360
361 [[image:1654674530910-914.png]]
362
363
364 [[image:1654674543078-401.png]]
365
366
367 (% style="color:blue" %)**Step 3**(%%): Create an account or log in Datacake.
368
369 (% style="color:blue" %)**Step 4**(%%): Search LDS02 and add DevEUI.
370
371 [[image:1654674556510-911.png]]
372
373
374
375 == 4.6 Alarm Base on Timeout ==
376
377
378 (((
379 (((
380 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.
381 )))
382
383 (((
384 User configure this feature by using:
385 )))
386 )))
387
388 (((
389 (((
390
391 )))
392 )))
393
394 (((
395 (((
396 (% style="color:blue" %)**AT Command**(%%) **to configure:**
397 )))
398 )))
399
400 * (((
401 (((
402 (% style="color:red" %)**AT+TTRIG=1,30 ** (%%) **~-~->** When status change from close to open, and device keep in open
403 )))
404 )))
405
406 (((
407 (((
408 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.
409 )))
410 )))
411
412 * (((
413 (((
414 (% style="color:red" %)**AT+TTRIG=0,0** (%%) **~-~->**  Default Value, disable timeout Alarm.
415 )))
416 )))
417
418 (((
419 (((
420
421
422 (% style="color:blue" %)**Downlink Command**(%%) **to configure:**
423 )))
424 )))
425
426 (((
427 (((
428 **Command: (% style="color:red" %)0xA9 aa bb cc(%%)**
429 )))
430 )))
431
432 (((
433 (((
434 A9: Command Type Code
435 )))
436 )))
437
438 (((
439 (((
440 aa: status to be monitor
441 )))
442 )))
443
444 (((
445 (((
446 bb cc: timeout.
447 )))
448 )))
449
450 (((
451 (((
452
453 )))
454 )))
455
456 (((
457 (((
458 If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
459 )))
460 )))
461
462 (((
463 (((
464 Or
465 )))
466 )))
467
468 (((
469 (((
470 0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
471 )))
472 )))
473
474
475
476 == 4.7 LEDs ==
477
478
479 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:463px" %)
480 |=(% style="width: 184px;" %)**Action**|=(% style="width: 275px;" %)**LED behavior**
481 |(% 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(%%)**
482 |(% style="width:184px" %)Joined successful|(% style="width:275px" %)(% style="color:green" %)**GRENN LED **(%%)on 5s
483 |(% style="width:184px" %)Send an uplink message|(% style="width:275px" %)(% style="color:green" %)**GREEN LED**(%%) blinks once
484 |(% style="width:184px" %)Got a downlink message|(% style="width:275px" %)(% style="color:blue" %)**BLUE LED**(%%) blinks once
485
486
487
488 = 5. Battery & How to replace =
489
490
491 == 5.1 Battery Type and replace ==
492
493
494 (((
495 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.
496
497
498 (% style="color:red" %)**Note:**
499
500 1. The LDS02 doesn't have any screw, use can use nail to open it by the middle.
501 1. Make sure the direction is correct when install the AAA batteries.
502 )))
503
504 (((
505 (% style="color:red" %)**Important Notice: Make sure use new AAA LR03 battery and the battery doesn't have broken surface.**
506 )))
507
508 (((
509
510 )))
511
512 (((
513 Example of AAA LR03 batter:
514 )))
515
516 [[image:1654675278044-307.png]]
517
518
519
520 == 5.2 Power Consumption Analyze ==
521
522
523 (((
524 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:
525 )))
526
527 (((
528 [[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]]
529 )))
530
531
532
533 = 6. Use AT Command =
534
535
536 == 6.1 Access AT Command ==
537
538
539 LDS02 supports AT Command set. User can use a USB to TTL adapter to configure LDS02 via use AT command, as below.
540
541
542 [[image:image-20220609085453-1.png]]
543
544
545 (% style="background-color:yellow" %)**USB to TTL <- -> LDS02**
546
547 (% style="background-color:yellow" %)**RX <- -> TXD**
548
549 (% style="background-color:yellow" %)**TX <- -> RXD**
550
551 (% style="background-color:yellow" %)**GND <- -> GND**
552
553
554 (((
555 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:
556 )))
557
558 (((
559 The AT Access password is (% style="color:red" %)**123456**.
560 )))
561
562 [[image:1654675618022-630.png]]
563
564
565 (((
566 Each AT Command need to (% style="color:red" %)**add an ENTER**(%%) at the end before send.
567 )))
568
569 (((
570 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.
571 )))
572
573 (((
574 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/]]
575 )))
576
577
578
579 = 7. FAQ =
580
581
582 == 7.1 How to upgrade the image? ==
583
584
585 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]]
586
587
588
589 == 7.2 How to change the LoRa Frequency Bands/Region? ==
590
591
592 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.
593
594
595
596 == 7.3 Can I disable uplink for each event to save battery life? ==
597
598
599 Yes, User can use below method to disable this:
600
601
602 (% style="color:blue" %)**via AT Command**:
603
604 (% style="color:red" %)**AT+DISALARM=1**(%%), End node will only send packet in TDC time.
605
606 (% style="color:red" %)**AT+DISALARM=0**(%%), End node will send packet in TDC time or status change for door sensor. 
607
608
609 (% style="color:blue" %)**via LoRaWAN downlink Command**:
610
611 (% style="color:red" %)**0xA701**(%%) : Equal to AT+DISALARM=1
612
613 (% style="color:red" %)**0xA700**(%%) : Equal to AT+DISALARM=0
614
615
616
617 = 8. Order Info =
618
619
620 **Part Number: (% style="color:blue" %)LDS02-XXX(%%)**
621
622 (% style="color:blue" %)**XXX:**
623
624 * (% style="color:red" %)**EU433**(%%): frequency  bands EU433
625 * (% style="color:red" %)**EU868**(%%): frequency  bands EU868
626 * (% style="color:red" %)**KR920**(%%): frequency  bands KR920
627 * (% style="color:red" %)**CN470**(%%): frequency bands CN470
628 * (% style="color:red" %)**AS923**(%%): frequency  bands AS923
629 * (% style="color:red" %)**AU915**(%%): frequency bands AU915
630 * (% style="color:red" %)**US915**(%%): frequency bands  US915
631 * (% style="color:red" %)**IN865**(%%):  frequency bands  IN865
632 * (% style="color:red" %)**CN779**(%%): frequency bands CN779
633
634
635
636 = 9. Packing Info =
637
638
639 (((
640 **Package Includes**:
641 )))
642
643 * (((
644 LDS02 x 1
645 )))
646
647 (((
648 **Dimension and weight**:
649 )))
650
651 * (((
652 Device Size: 69.2 x 29.2 x 14.8 mm
653
654
655
656
657 )))
658
659 = 10. Support =
660
661
662 * 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.
663 * 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]].
664
665

Applications

Navigation

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