Version 47.20 by Xiaoling on 2022/06/14 16:13
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1 (% style="text-align:center" %)
2 [[image:1654679359875-169.png]]
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4
5
6
7 **Table of Contents:**
8
9 {{toc/}}
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11
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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 [[image:image-20220608171947-2.png]]
43
44
45
46 == 1.2 Features ==
47
48 * LoRaWAN Class A v1.0.3
49 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
50 * SX1262 LoRa Core
51 * Water Leak detect
52 * 2 x AAA LR03 Batteries
53 * AT Commands to change parameters
54 * Uplink on periodically and open/close action
55 * Remote configure parameters via LoRa Downlink
56 * Firmware upgradable via program port
57
58
59
60 == 1.3 Applications ==
61
62 * Smart Buildings & Home Automation
63 * Logistics and Supply Chain Management
64 * Smart Metering
65 * Smart Agriculture
66 * Smart Cities
67 * Smart Factory
68
69
70
71 == 1.4 Dimension ==
72
73 Unit: mm
74
75 [[image:1654680563545-120.png]]
76
77
78 [[image:1654680510816-654.png]]
79
80
81 == 1.5 Firmware Change log ==
82
83 (((
84 (((
85 LDS02 use the same firmware as LDS01.
86 )))
87
88 (((
89 [[LDS02 Image files – Download link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
90 )))
91 )))
92
93
94 = 2. Power ON LDS02 =
95
96 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.
97
98
99 = 3. How to install LDS02 =
100
101 (((
102 (((
103 When install the LDS02 on wall. Please make sure install as below so the marks will close to each other when close the door.
104 )))
105
106 (((
107 Open/Close threshold range: ~~ 25mm
108 )))
109 )))
110
111 [[image:1654680716522-793.png]]
112
113
114
115 = 4. Operation Mode =
116
117 == 4.1 How it works? ==
118
119 (((
120 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.
121 )))
122
123 (((
124 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.
125 )))
126
127
128 == 4.2 Example to join LoRaWAN network ==
129
130 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. 
131
132 [[image:1654680810108-149.png]]
133
134
135 (((
136 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.
137 )))
138
139 * (((
140 A keep-alive message which send once per day.
141 )))
142 * (((
143 A door event message when there is a door open/close. ([[Alarm event can be disabled>>||anchor="H7.3CanIdisableuplinkforeacheventtosavebatterylife3F"]])
144 )))
145
146 (((
147
148
149 (((
150 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:
151 )))
152 )))
153
154 (((
155 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from LDS02.
156 )))
157
158 (((
159 Each LDS02 is shipped with a sticker with unique device EUI:
160 )))
161
162 [[image:1654671040430-368.png]]
163
164
165 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
166
167
168 **Add APP EUI in the application**
169
170 [[image:1654671794691-956.png]]
171
172
173 [[image:1654671809850-574.png]]
174
175 [[image:1654671820156-640.png]]
176
177
178 [[image:1654681258096-500.png]]
179
180
181
182 **Add APP KEY and DEV EUI**
183
184 [[image:1654671889112-678.png]]
185
186
187 (((
188 (% 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.
189 )))
190
191
192 [[image:1654681390551-993.png]]
193
194
195
196 == 4.3 Uplink Payload ==
197
198
199 Uplink Payload total 10 bytes.
200
201 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:480px" %)
202 |=(% 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**
203 |value|Status&BAT|(((
204 MOD
205
206 Always:0x01
207 )))|Total open door events|(((
208 Last door open
209
210 duration (unit: min)
211 )))|[[Alarm>>||anchor="H4.6AlarmBaseonTimeout"]]
212
213 **Example:**
214
215 [[image:1654681706301-731.png]]
216
217 [[image:1654681714641-440.png]]
218
219
220 (((
221 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/]]
222 )))
223
224
225 == 4.4 Downlink Payload ==
226
227
228 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:410px" %)
229 |=(% style="width: 180px;" %)**Downlink Control Type**|=(% style="width: 80px;" %)**Type Code**|=(% style="width: 150px;" %)**Downlink payload size(bytes)**
230 |(% style="width:180px" %)TDC (Transmit Time Interval—Keep Alive Interval)|(% style="width:80px" %)0x01|(% style="width:150px" %)4
231 |(% style="width:180px" %)RESET|(% style="width:80px" %)0x04|(% style="width:224px" %)2
232 |(% style="width:180px" %)[[Set confirmed mode>>||anchor="HTypeCode0x05"]]|(% style="width:80px" %)0x05|(% style="width:150px" %)2
233 |(% style="width:180px" %)[[Clear Counting>>||anchor="HTypeCode0xA6"]]|(% style="width:80px" %)0xA6|(% style="width:150px" %)2
234 |(% style="width:180px" %)[[Enable/Disable Alarm>>||anchor="HTypeCode0xA7"]]|(% style="width:80px" %)0xA7|(% style="width:150px" %)2
235 |(% style="width:180px" %)[[Control ADR/DR>>||anchor="HTypeCode0xA8"]]|(% style="width:80px" %)0xA8|(% style="width:150px" %)3
236 |(% style="width:180px" %)[[Set Alarm Timeout>>||anchor="HTypeCode0xA9"]]|(% style="width:80px" %)0xA9|(% style="width:150px" %)4
237
238 Example Downlink payload setting in TTN V3:
239
240 [[image:1654673412319-976.png]]
241
242
243 === (% style="color:#037691" %)**Type Code 0x01**(%%) ===
244
245 If the payload=0100003C, means to control the LDS02’s Keep Alive interval to 0x00003C=60(S)
246
247
248 === (% style="color:#037691" %)**Type Code 0x04**(%%) ===
249
250 If payload = 0x04FF, it will reset the LDS02.
251
252
253 === (% style="color:#037691" %)**Type Code 0x05**(%%) ===
254
255 (((
256 0x05 00: Set uplink to LoRaWAN unconfirmed mode
257 )))
258
259 (((
260 0x05 01: Set uplink to LoRaWAN confirmed mode
261 )))
262
263
264 === (% style="color:#037691" %)**Type Code 0xA6**(%%) ===
265
266 (((
267 Example: 0xA601: Clear Counting
268 For LDS02: reset both count number and time.
269 )))
270
271
272 === (% style="color:#037691" %)**Type Code 0xA7**(%%) ===
273
274 (((
275 0xA7 01 : Equal to AT+DISALARM=1
276 )))
277
278 (((
279 0xA7 00 : Equal to AT+DISALARM=0
280 )))
281
282
283 === (% style="color:#037691" %)**Type Code 0xA8**(%%) ===
284
285 (((
286 Format: 0xA8 aa bb
287 )))
288
289 (((
290 aa: 1: Enable ADR; 0: Disable ADR (Same as AT+CADR command)
291 )))
292
293 (((
294 bb: set DR (Same as AT+CDATARATE ,only valid after ADR=0)
295 )))
296
297 (((
298 Example: 0x A8 00 02 : Set ADR=0 and DR=1
299 )))
300
301
302 === (% style="color:#037691" %)**Type Code 0xA9**(%%) ===
303
304 See [[Alarm Base Timeout>>||anchor="H4.6AlarmBaseonTimeout"]] for detail.
305
306
307 == 4.5 Integrate with Datacake ==
308
309 (((
310 (((
311 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:
312 )))
313 )))
314
315 (((
316
317 )))
318
319 (((
320 (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
321 )))
322
323 (((
324 (% 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:
325 )))
326
327
328 [[image:1654674520913-519.png]]
329
330
331 [[image:1654674530910-914.png]]
332
333
334 [[image:1654674543078-401.png]]
335
336
337 (% style="color:blue" %)**Step 3**(%%): Create an account or log in Datacake.
338
339 (% style="color:blue" %)**Step 4**(%%): Search LDS02 and add DevEUI.
340
341 [[image:1654674556510-911.png]]
342
343
344 == 4.6 Alarm Base on Timeout ==
345
346 (((
347 (((
348 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.
349 )))
350
351 (((
352 User configure this feature by using:
353 )))
354 )))
355
356 (((
357 (((
358
359 )))
360 )))
361
362 (((
363 (((
364 (% style="color:blue" %)**AT Command**(%%) to configure:
365 )))
366 )))
367
368 * (((
369 (((
370 **AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open
371 )))
372 )))
373
374 (((
375 (((
376 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.
377 )))
378 )))
379
380 * (((
381 (((
382 **AT+TTIG=0,0**  **~-~->**  Default Value, disable timeout Alarm.
383 )))
384 )))
385
386 (((
387 (((
388
389
390 (% style="color:blue" %)**Downlink Command**(%%) to configure:
391 )))
392 )))
393
394 (((
395 (((
396 **Command: 0xA9 aa bb cc**
397 )))
398 )))
399
400 (((
401 (((
402 A9: Command Type Code
403 )))
404 )))
405
406 (((
407 (((
408 aa: status to be monitor
409 )))
410 )))
411
412 (((
413 (((
414 bb cc: timeout.
415 )))
416 )))
417
418 (((
419 (((
420
421 )))
422 )))
423
424 (((
425 (((
426 If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
427 )))
428 )))
429
430 (((
431 (((
432 Or
433 )))
434 )))
435
436 (((
437 (((
438 0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
439 )))
440 )))
441
442
443
444 == 4.7 LEDs ==
445
446
447 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:463px" %)
448 |=(% style="width: 184px;" %)**Action**|=(% style="width: 275px;" %)**LED behavior**
449 |(% 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(%%)**
450 |(% style="width:184px" %)Joined successful|(% style="width:275px" %)(% style="color:green" %)**GRENN LED **(%%)on 5s
451 |(% style="width:184px" %)Send an uplink message|(% style="width:275px" %)(% style="color:green" %)**GREEN LED**(%%) blinks once
452 |(% style="width:184px" %)Got a downlink message|(% style="width:275px" %)(% style="color:blue" %)**BLUE LED**(%%) blinks once
453
454
455 = 5. Battery & How to replace =
456
457 == 5.1 Battery Type and replace ==
458
459 (((
460 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.
461
462 **Note:**
463
464 1. The LDS02 doesn’t have any screw, use can use nail to open it by the middle.
465 1. Make sure the direction is correct when install the AAA batteries.
466 )))
467
468 (((
469 (% style="color:red" %)**Important Notice: Make sure use new AAA LR03 battery and the battery doesn’t have broken surface.**
470 )))
471
472 (((
473
474 )))
475
476 (((
477 Example of AAA LR03 batter:
478 )))
479
480 [[image:1654675278044-307.png]]
481
482
483 == 5.2 Power Consumption Analyze ==
484
485 (((
486 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:
487 )))
488
489 (((
490 [[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]]
491 )))
492
493
494 = 6. Use AT Command =
495
496 == 6.1 Access AT Command ==
497
498 LDS02 supports AT Command set. User can use a USB to TTL adapter to configure LDS02 via use AT command, as below.
499
500 [[image:image-20220609085453-1.png]]
501
502
503 (% style="background-color:yellow" %)**USB to TTL <- -> LDS02**
504
505 (% style="background-color:yellow" %)**RX <- -> TXD**
506
507 (% style="background-color:yellow" %)**TX <- -> RXD**
508
509 (% style="background-color:yellow" %)**GND <- -> GND**
510
511
512 (((
513 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:
514 )))
515
516 (((
517 The AT Access password is (% style="color:red" %)**123456**.
518 )))
519
520 [[image:1654675618022-630.png]]
521
522
523 (((
524 Each AT Command need to (% style="color:red" %)**add an ENTER**(%%) at the end before send.
525 )))
526
527 (((
528 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.
529 )))
530
531 (((
532 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/]]
533 )))
534
535
536 = 7. FAQ =
537
538 == 7.1 How to upgrade the image? ==
539
540 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]]
541
542
543 == 7.2 How to change the LoRa Frequency Bands/Region? ==
544
545 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.
546
547
548 == 7.3 Can I disable uplink for each event to save battery life? ==
549
550 Yes, User can use below method to disable this:
551
552
553 (% style="color:#4f81bd" %)**via AT Command**:
554
555 AT+DISALARM=1, End node will only send packet in TDC time.
556
557 AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor. 
558
559
560 (% style="color:#4f81bd" %)**via LoRaWAN downlink Command**:
561
562 0xA701 : Equal to AT+DISALARM=1
563
564 0xA700 : Equal to AT+DISALARM=0
565
566
567 = 8. Order Info =
568
569 **Part Number: (% style="color:blue" %)LDS02-XXX(%%)**
570
571 (% style="color:blue" %)**XXX:**
572
573 * (% style="color:red" %)**EU433**(%%): frequency  bands EU433
574 * (% style="color:red" %)**EU868**(%%): frequency  bands EU868
575 * (% style="color:red" %)**KR920**(%%): frequency  bands KR920
576 * (% style="color:red" %)**CN470**(%%): frequency bands CN470
577 * (% style="color:red" %)**AS923**(%%): frequency  bands AS923
578 * (% style="color:red" %)**AU915**(%%): frequency bands AU915
579 * (% style="color:red" %)**US915**(%%): frequency bands  US915
580 * (% style="color:red" %)**IN865**(%%):  frequency bands  IN865
581 * (% style="color:red" %)**CN779**(%%): frequency bands CN779
582
583
584
585 = 9. Packing Info =
586
587 (((
588 **Package Includes**:
589 )))
590
591 * (((
592 LDS02 x 1
593 )))
594
595 (((
596 **Dimension and weight**:
597 )))
598
599 * (((
600 Device Size: 69.2 x 29.2 x 14.8 mm
601
602
603
604 )))
605
606 = 10. Support =
607
608 * 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.
609 * 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]].
610
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