Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 11.2 >
edited by Edwin Chen
on 2023/05/11 23:01
To version < 26.2 >
edited by Saxer Lin
on 2023/05/12 18:18
>
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Summary

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Author
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1 -XWiki.Edwin
1 +XWiki.Saxer
Content
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272 272  Ex2: 0x0B49 = 2889mV
273 273  
274 274  
275 -=== 2.3.2  Sensor Data. FPORT~=2 ===
275 +=== 2.3.2 Working Modes & Sensor Data. Uplink via FPORT~=2 ===
276 276  
277 277  
278 -Sensor Data is uplink via FPORT=2
278 +SN50v3 has different working mode for the connections of different type of sensors. This section describes these modes. Use can use the AT Command AT+MOD to set SN50v3 to different working modes.
279 279  
280 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
281 -|=(% style="width: 90px;background-color:#D9E2F3" %)(((
280 +For example:
281 +
282 + **AT+MOD=2  ** ~/~/ will set the SN50v3 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
283 +
284 +
285 +(% style="color:red" %) **Important Notice:**
286 +
287 +1. Some working modes has payload more than 12 bytes, The US915/AU915/AS923 frequency bands' definition has maximum 11 bytes in **DR0**. Server sides will see NULL payload while SN50v3 transmit in DR0 with 12 bytes payload.
288 +1. All modes share the same Payload Explanation from HERE.
289 +1. By default, the device will send an uplink message every 20 minutes.
290 +
291 +==== 2.3.2.1  MOD~=1 (Default Mode) ====
292 +
293 +In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
294 +
295 +|**Size(bytes)**|**2**|**2**|**2**|(% style="width:216px" %)**1**|(% style="width:342px" %)**2**|(% style="width:171px" %)**2**
296 +|**Value**|Bat|(((
297 +Temperature(DS18B20)
298 +
299 +(PC13)
300 +)))|(((
301 +ADC
302 +
303 +(PA4)
304 +)))|(% style="width:216px" %)(((
305 +Digital in & Digital Interrupt
306 +
307 +
308 +)))|(% style="width:342px" %)Temperature（SHT20 or SHT31 or BH1750 Illumination Sensor|(% style="width:171px" %)Humidity（SHT20 or SHT31)
309 +
310 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220627150949-6.png?rev=1.1||alt="image-20220627150949-6.png"]]
311 +
312 +
313 +==== 2.3.2.2  MOD~=2 (Distance Mode) ====
314 +
315 +This mode is target to measure the distance. The payload of this mode is totally 11 bytes. The 8^^th^^ and 9^^th^^ bytes is for the distance.
316 +
317 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**2**|**2**
318 +|**Value**|BAT|(((
319 +Temperature(DS18B20)
320 +)))|ADC|Digital in & Digital Interrupt|(((
321 +Distance measure by:
322 +1) LIDAR-Lite V3HP
323 +Or
324 +2) Ultrasonic Sensor
325 +)))|Reserved
326 +
327 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656324539647-568.png?rev=1.1||alt="1656324539647-568.png"]]
328 +
329 +**Connection of LIDAR-Lite V3HP:**
330 +
331 +[[image:image-20230512173758-5.png||height="563" width="712"]]
332 +
333 +**Connection to Ultrasonic Sensor:**
334 +
335 +[[image:image-20230512173903-6.png||height="596" width="715"]]
336 +
337 +For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
338 +
339 +|**Size(bytes)**|**2**|**2**|**1**|**2**|**2**|**2**
340 +|**Value**|BAT|(((
341 +Temperature(DS18B20)
342 +)))|Digital in & Digital Interrupt|ADC|(((
343 +Distance measure by:1)TF-Mini plus LiDAR
344 +Or 
345 +2) TF-Luna LiDAR
346 +)))|Distance signal  strength
347 +
348 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656376779088-686.png?rev=1.1||alt="1656376779088-686.png"]]
349 +
350 +**Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):**
351 +
352 +Need to remove R3 and R4 resistors to get low power.
353 +
354 +[[image:image-20230512180609-7.png||height="555" width="802"]]
355 +
356 +**Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):**
357 +
358 +Need to remove R3 and R4 resistors to get low power.
359 +
360 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656376865561-355.png?rev=1.1||alt="1656376865561-355.png"]]
361 +
362 +Please use firmware version > 1.6.5 when use MOD=2, in this firmware version, user can use LSn50 v1 to power the ultrasonic sensor directly and with low power consumption.
363 +
364 +
365 +==== 2.3.2.3  MOD~=3 (3 ADC + I2C) ====
366 +
367 +This mode has total 12 bytes. Include 3 x ADC + 1x I2C
368 +
369 +|=(((
282 282  **Size(bytes)**
283 -)))|=(% style="width: 80px;background-color:#D9E2F3" %)2|=(% style="width: 90px;background-color:#D9E2F3" %)4|=(% style="width:80px;background-color:#D9E2F3" %)1|=(% style="width: 80px;background-color:#D9E2F3" %)**2**|=(% style="width: 80px;background-color:#D9E2F3" %)2
284 -|(% style="width:99px" %)**Value**|(% style="width:69px" %)(((
285 -[[Battery>>||anchor="HBattery:"]]
286 -)))|(% style="width:130px" %)(((
287 -[[Unix TimeStamp>>||anchor="H2.5.2UnixTimeStamp"]]
288 -)))|(% style="width:91px" %)(((
289 -[[Alarm Flag>>||anchor="HAlarmFlag26MOD:"]]
290 -)))|(% style="width:103px" %)(((
291 -[[Temperature>>||anchor="HTemperature:"]]
292 -)))|(% style="width:80px" %)(((
293 -[[Humidity>>||anchor="HHumidity:"]]
371 +)))|=(% style="width: 68px;" %)**2**|=(% style="width: 75px;" %)**2**|=**2**|=**1**|=(% style="width: 318px;" %)2|=(% style="width: 172px;" %)2|=1
372 +|**Value**|(% style="width:68px" %)(((
373 +ADC
374 +
375 +(PA0)
376 +)))|(% style="width:75px" %)(((
377 +ADC2
378 +
379 +(PA1)
380 +)))|ADC3 (PA4)|(((
381 +Digital in(PA12)&Digital Interrupt1(PB14)
382 +)))|(% style="width:318px" %)Temperature（SHT20 or SHT31 or BH1750 Illumination Sensor）|(% style="width:172px" %)Humidity（SHT20 or SHT31)|Bat
383 +
384 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656377431497-975.png?rev=1.1||alt="1656377431497-975.png"]]
385 +
386 +
387 +==== 2.3.2.4 MOD~=4 (3 x DS18B20) ====
388 +
389 +[[image:image-20230512170701-3.png||height="565" width="743"]]
390 +
391 +This mode has total 11 bytes. As shown below:
392 +
393 +(% style="width:1017px" %)
394 +|**Size(bytes)**|**2**|(% style="width:186px" %)**2**|(% style="width:82px" %)**2**|(% style="width:210px" %)**1**|(% style="width:191px" %)**2**|(% style="width:183px" %)**2**
395 +|**Value**|BAT|(% style="width:186px" %)(((
396 +Temperature1(DS18B20)
397 +(PC13)
398 +)))|(% style="width:82px" %)(((
399 +ADC
400 +
401 +(PA4)
402 +)))|(% style="width:210px" %)(((
403 +Digital in & Digital Interrupt
404 +
405 +(PB15)  &  (PA8) 
406 +)))|(% style="width:191px" %)Temperature2(DS18B20)
407 +(PB9)|(% style="width:183px" %)Temperature3(DS18B20)
408 +(PB8)
409 +
410 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656377606181-607.png?rev=1.1||alt="1656377606181-607.png"]]
411 +
412 +
413 +==== 2.3.2.5  MOD~=5(Weight Measurement by HX711) ====
414 +
415 +[[image:image-20230512164658-2.png||height="532" width="729"]]
416 +
417 +Each HX711 need to be calibrated before used. User need to do below two steps:
418 +
419 +1. Zero calibration. Don't put anything on load cell and run **AT+WEIGRE** to calibrate to Zero gram.
420 +1. Adjust calibration factor (default value 400): Put a known weight thing on load cell and run **AT+WEIGAP** to adjust the Calibration Factor.
421 +1. (((
422 +Weight has 4 bytes, the unit is g.
294 294  )))
295 295  
296 -==== (% style="color:#4472c4" %)**Battery**(%%) ====
425 +For example:
297 297  
298 -Sensor Battery Level.
427 +**AT+GETSENSORVALUE =0**
299 299  
429 +Response:  Weight is 401 g
430 +
431 +Check the response of this command and adjust the value to match the real value for thing.
432 +
433 +(% style="width:982px" %)
434 +|=(((
435 +**Size(bytes)**
436 +)))|=**2**|=(% style="width: 282px;" %)**2**|=(% style="width: 119px;" %)**2**|=(% style="width: 279px;" %)**1**|=(% style="width: 106px;" %)**4**
437 +|**Value**|[[Bat>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.1BatteryInfo]]|(% style="width:282px" %)(((
438 +[[Temperature(DS18B20)>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.2Temperature28DS18B2029]]
439 +
440 +(PC13)
441 +
442 +
443 +)))|(% style="width:119px" %)(((
444 +[[ADC>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.4AnalogueDigitalConverter28ADC29]]
445 +
446 +(PA4)
447 +)))|(% style="width:279px" %)(((
448 +[[Digital Input and Digitak Interrupt>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.3DigitalInput]]
449 +
450 +(PB15)  &  (PA8)
451 +)))|(% style="width:106px" %)Weight
452 +
453 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220820120036-2.png?width=1003&height=469&rev=1.1||alt="image-20220820120036-2.png" height="469" width="1003"]]
454 +
455 +
456 +==== 2.3.2.6  MOD~=6 (Counting Mode) ====
457 +
458 +In this mode, the device will work in counting mode. It counts the interrupt on the interrupt pins and sends the count on TDC time.
459 +
460 +Connection is as below. The PIR sensor is a count sensor, it will generate interrupt when people come close or go away. User can replace the PIR sensor with other counting sensors.
461 +
462 +[[image:image-20230512181814-9.png||height="543" width="697"]]
463 +
464 +**Note:** LoRaWAN wireless transmission will infect the PIR sensor. Which cause the counting value increase +1 for every uplink. User can change PIR sensor or put sensor away of the LSN50 to avoid this happen.
465 +
466 +|=**Size(bytes)**|=**2**|=**2**|=**2**|=**1**|=**4**
467 +|**Value**|[[BAT>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.1BatteryInfo]]|(((
468 +[[Temperature(DS18B20)>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.2Temperature28DS18B2029]]
469 +)))|[[ADC>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.4AnalogueDigitalConverter28ADC29]]|[[Digital in>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.3DigitalInput]]|Count
470 +
471 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656378441509-171.png?rev=1.1||alt="1656378441509-171.png"]]
472 +
473 +
474 +==== 2.3.2.7  MOD~=7 (Three interrupt contact modes) ====
475 +
476 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220820140109-3.png?rev=1.1||alt="image-20220820140109-3.png"]]
477 +
478 +|=(((
479 +**Size(bytes)**
480 +)))|=**2**|=**2**|=**2**|=**1**|=**1**|=1|=2
481 +|**Value**|BAT|Temperature(DS18B20)|ADC|(((
482 +Digital in(PA12)&Digital Interrupt1(PB14)
483 +)))|Digital Interrupt2(PB15)|Digital Interrupt3(PA4)|Reserved
484 +
485 +==== 2.3.2.8  MOD~=8 （3ADC+1DS18B20） ====
486 +
487 +|=(((
488 +**Size(bytes)**
489 +)))|=**2**|=**2**|=**2**|=**1**|=**2**|=2
490 +|**Value**|BAT|Temperature(DS18B20)|(((
491 +ADC1(PA0)
492 +)))|(((
493 +Digital in
494 +& Digital Interrupt(PB14)
495 +)))|(((
496 +ADC2(PA1)
497 +)))|(((
498 +ADC3(PA4)
499 +)))
500 +
501 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823164903-2.png?rev=1.1||alt="image-20220823164903-2.png"]]
502 +
503 +
504 +==== 2.3.2.9  MOD~=9 (3DS18B20+ two Interrupt count mode) ====
505 +
506 +|=(((
507 +**Size(bytes)**
508 +)))|=**2**|=**2**|=**2**|=**1**|=**2**|=4|=4
509 +|**Value**|BAT|(((
510 +Temperature1(PB3)
511 +)))|(((
512 +Temperature2(PA9)
513 +)))|(((
514 +Digital in
515 +& Digital Interrupt(PA4)
516 +)))|(((
517 +Temperature3(PA10)
518 +)))|(((
519 +Count1(PB14)
520 +)))|(((
521 +Count2(PB15)
522 +)))
523 +
524 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823165322-3.png?rev=1.1||alt="image-20220823165322-3.png"]]
525 +
526 +**The newly added AT command is issued correspondingly:**
527 +
528 +**~ AT+INTMOD1** ** PB14**  pin：  Corresponding downlink:  **06 00 00 xx**
529 +
530 +**~ AT+INTMOD2**  **PB15** pin：  Corresponding downlink:**  06 00 01 xx**
531 +
532 +**~ AT+INTMOD3**  **PA4**  pin：  Corresponding downlink:  ** 06 00 02 xx**
533 +
534 +**AT+SETCNT=aa,bb** 
535 +
536 +When AA is 1, set the count of PB14 pin to BB Corresponding downlink：09 01 bb bb bb bb
537 +
538 +When AA is 2, set the count of PB15 pin to BB Corresponding downlink：09 02 bb bb bb bb
539 +
540 +
541 +
542 +=== 2.3.3  ​Decode payload ===
543 +
544 +While using TTN V3 network, you can add the payload format to decode the payload.
545 +
546 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656378466788-734.png?rev=1.1||alt="1656378466788-734.png"]]
547 +
548 +The payload decoder function for TTN V3 are here:
549 +
550 +SN50v3 TTN V3 Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
551 +
552 +
553 +==== 2.3.3.1 Battery Info ====
554 +
555 +Check the battery voltage for SN50v3.
556 +
300 300  Ex1: 0x0B45 = 2885mV
301 301  
302 302  Ex2: 0x0B49 = 2889mV
303 303  
304 304  
562 +==== 2.3.3.2  Temperature (DS18B20) ====
305 305  
306 -==== (% style="color:#4472c4" %)**Temperature**(%%) ====
564 +If there is a DS18B20 connected to PB3 pin. The temperature will be uploaded in the payload.
307 307  
566 +More DS18B20 can check the [[3 DS18B20 mode>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#2.3.4MOD3D4283xDS18B2029]]
567 +
568 +**Connection:**
569 +
570 +[[image:image-20230512180718-8.png||height="538" width="647"]]
571 +
308 308  **Example**:
309 309  
310 310  If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
... ... @@ -314,195 +314,211 @@
314 314  （FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
315 315  
316 316  
317 -==== (% style="color:#4472c4" %)**Humidity**(%%) ====
581 +==== 2.3.3.3 Digital Input ====
318 318  
583 +The digital input for pin PB15,
319 319  
320 -Read:0x(0197)=412    Value:  412 / 10=41.2, So 41.2%
585 +* When PB15 is high, the bit 1 of payload byte 6 is 1.
586 +* When PB15 is low, the bit 1 of payload byte 6 is 0.
321 321  
588 +(% class="wikigeneratedid" id="H2.3.3.4A0AnalogueDigitalConverter28ADC29" %)
589 +(((
590 +Note:The maximum voltage input supports 3.6V.
591 +)))
322 322  
323 -==== (% style="color:#4472c4" %)**Alarm Flag& MOD**(%%) ====
593 +(% class="wikigeneratedid" %)
594 +==== 2.3.3.4  Analogue Digital Converter (ADC) ====
324 324  
596 +The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
325 325  
326 -**Example:**
598 +When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
327 327  
328 -If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message
600 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220628150112-1.png?width=285&height=241&rev=1.1||alt="image-20220628150112-1.png" height="241" width="285"]]
329 329  
330 -If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm
331 331  
332 -If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message
603 +==== 2.3.3.5 Digital Interrupt ====
333 333  
334 -If payload >> 2 = 0x31  **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>path:#HPolltheAlarmsettings:]] for detail. 
605 +Digital Interrupt refers to pin PB14, and there are different trigger methods. When there is a trigger, the SN50v3 will send a packet to the server.
335 335  
607 +**~ Interrupt connection method:**
336 336  
337 -== 2.4 Payload Decoder file ==
609 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379178634-321.png?rev=1.1||alt="1656379178634-321.png"]]
338 338  
611 +**Example to use with door sensor :**
339 339  
340 -In TTN, use can add a custom payload so it shows friendly reading
613 +The door sensor is shown at right. It is a two wire magnetic contact switch used for detecting the open/close status of doors or windows.
341 341  
342 -In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
615 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379210849-860.png?rev=1.1||alt="1656379210849-860.png"]]
343 343  
344 -[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B >>https://github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B]]
617 +When the two pieces are close to each other, the 2 wire output will be short or open (depending on the type), while if the two pieces are away from each other, the 2 wire output will be the opposite status. So we can use LSN50 interrupt interface to detect the status for the door or window.
345 345  
619 +**~ Below is the installation example:**
346 346  
347 -== 2.5 Datalog Feature ==
621 +Fix one piece of the magnetic sensor to the door and connect the two pins to LSN50 as follows:
348 348  
623 +* (((
624 +One pin to LSN50's PB14 pin
625 +)))
626 +* (((
627 +The other pin to LSN50's VCC pin
628 +)))
349 349  
350 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, S31x-LB will store the reading for future retrieving purposes.
630 +Install the other piece to the door. Find a place where the two pieces will be close to each other when the door is closed. For this particular magnetic sensor, when the door is closed, the output will be short, and PB14 will be at the VCC voltage.
351 351  
632 +Door sensors have two types: ** NC (Normal close)** and **NO (normal open)**. The connection for both type sensors are the same. But the decoding for payload are reverse, user need to modify this in the IoT Server decoder.
352 352  
353 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
634 +When door sensor is shorted, there will extra power consumption in the circuit, the extra current is 3v3/R14 = 3v2/1Mohm = 0.3uA which can be ignored.
354 354  
636 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379283019-229.png?rev=1.1||alt="1656379283019-229.png"]]
355 355  
356 -Set [[PNACKMD=1>>||anchor="H2.5.4DatalogUplinkpayloadA028FPORT3D329"]], S31x-LB will wait for ACK for every uplink, when there is no LoRaWAN network,S31x-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
638 +The above photos shows the two parts of the magnetic switch fitted to a door.
357 357  
358 -* a) S31x-LB will do an ACK check for data records sending to make sure every data arrive server.
359 -* b) S31x-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but S31x-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if S31x-LB gets a ACK, S31x-LB will consider there is a network connection and resend all NONE-ACK messages.
640 +The software by default uses the falling edge on the signal line as an interrupt. We need to modify it to accept both the rising edge (0v ~-~-> VCC , door close) and the falling edge (VCC ~-~-> 0v , door open) as the interrupt.
360 360  
361 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
642 +The command is:
362 362  
363 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]]
644 +**AT+INTMOD=1       **~/~/(more info about INMOD please refer** **[[**AT Command Manual**>>url:http://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/&file=DRAGINO_LSN50_AT_Commands_v1.5.1.pdf]]**. **)
364 364  
365 -=== 2.5.2 Unix TimeStamp ===
646 +Below shows some screen captures in TTN V3:
366 366  
648 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379339508-835.png?rev=1.1||alt="1656379339508-835.png"]]
367 367  
368 -S31x-LB uses Unix TimeStamp format based on
650 +In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
369 369  
370 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
652 +door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
371 371  
372 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
373 373  
374 -Below is the converter example
655 +==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
375 375  
376 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
657 +The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
377 377  
378 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
659 +We have made an example to show how to use the I2C interface to connect to the SHT20 Temperature and Humidity Sensor.
379 379  
661 +Notice: Different I2C sensors have different I2C commands set and initiate process, if user want to use other I2C sensors, User need to re-write the source code to support those sensors. SHT20 code in SN50_v3 will be a good reference.
380 380  
381 -=== 2.5.3 Set Device Time ===
663 +Below is the connection to SHT20/ SHT31. The connection is as below:
382 382  
665 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220902163605-2.png?rev=1.1||alt="image-20220902163605-2.png"]]
383 383  
384 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
667 +The device will be able to get the I2C sensor data now and upload to IoT Server.
385 385  
386 -Once S31x-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to S31x-LB. If S31x-LB fails to get the time from the server, S31x-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
669 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379664142-345.png?rev=1.1||alt="1656379664142-345.png"]]
387 387  
388 -(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
671 +Convert the read byte to decimal and divide it by ten.
389 389  
673 +**Example:**
390 390  
391 -=== 2.5.4 Datalog Uplink payload (FPORT~=3) ===
675 +Temperature:  Read:0116(H) = 278(D)  Value:  278 /10=27.8℃;
392 392  
677 +Humidity:    Read:0248(H)=584(D)  Value:  584 / 10=58.4, So 58.4%
393 393  
394 -The Datalog uplinks will use below payload format.
679 +If you want to use other I2C device, please refer the SHT20 part source code as reference.
395 395  
396 -**Retrieval data payload:**
397 397  
398 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
399 -|=(% style="width: 80px;background-color:#D9E2F3" %)(((
400 -**Size(bytes)**
401 -)))|=(% style="width: 60px; background-color: rgb(217, 226, 243);" %)**2**|=(% style="width: 60px; background-color: rgb(217, 226, 243);" %)**2**|=(% style="width: 120px; background-color: rgb(217, 226, 243);" %)**2**|=(% style="width: 103px; background-color: rgb(217, 226, 243);" %)**1**|=(% style="width: 85px; background-color: rgb(217, 226, 243);" %)**4**
402 -|(% style="width:103px" %)**Value**|(% style="width:54px" %)(((
403 -[[Temp_Black>>||anchor="HTemperatureBlack:"]]
404 -)))|(% style="width:51px" %)[[Temp_White>>||anchor="HTemperatureWhite:"]]|(% style="width:89px" %)[[Temp_ Red or Temp _White>>||anchor="HTemperatureREDorTemperatureWhite:"]]|(% style="width:103px" %)Poll message flag & Ext|(% style="width:54px" %)[[Unix Time Stamp>>||anchor="H2.5.2UnixTimeStamp"]]
682 +==== 2.3.3.7  ​Distance Reading ====
405 405  
406 -**Poll message flag & Ext:**
684 +Refer [[Ultrasonic Sensor section>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.8UltrasonicSensor]].
407 407  
408 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20221006192726-1.png?width=754&height=112&rev=1.1||alt="图片-20221006192726-1.png" height="112" width="754"]]
409 409  
410 -**No ACK Message**:  1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for **PNACKMD=1** feature)
687 +==== 2.3.3.8 Ultrasonic Sensor ====
411 411  
412 -**Poll Message Flag**: 1: This message is a poll message reply.
689 +This Fundamental Principles of this sensor can be found at this link: [[https:~~/~~/wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU~~_~~__SEN0208>>url:https://wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU___SEN0208]]
413 413  
414 -* Poll Message Flag is set to 1.
691 +The LSN50 detects the pulse width of the sensor and converts it to mm output. The accuracy will be within 1 centimeter. The usable range (the distance between the ultrasonic probe and the measured object) is between 24cm and 600cm.
415 415  
416 -* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
693 +The picture below shows the connection:
417 417  
418 -For example, in US915 band, the max payload for different DR is:
419 419  
420 -**a) DR0:** max is 11 bytes so one entry of data
696 +Connect to the LSN50 and run **AT+MOD=2** to switch to ultrasonic mode (ULT).
421 421  
422 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
698 +The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
423 423  
424 -**c) DR2:** total payload includes 11 entries of data
700 +**Example:**
425 425  
426 -**d) DR3: **total payload includes 22 entries of data.
702 +Distance:  Read: 0C2D(Hex) = 3117(D)  Value:  3117 mm=311.7 cm
427 427  
428 -If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
704 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656384895430-327.png?rev=1.1||alt="1656384895430-327.png"]]
429 429  
706 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656384913616-455.png?rev=1.1||alt="1656384913616-455.png"]]
430 430  
431 -**Example:**
708 +You can see the serial output in ULT mode as below:
432 432  
433 -If S31x-LB has below data inside Flash:
710 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656384939855-223.png?rev=1.1||alt="1656384939855-223.png"]]
434 434  
435 -[[image:1682646494051-944.png]]
712 +**In TTN V3 server:**
436 436  
437 -If user sends below downlink command: 3160065F9760066DA705
714 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656384961830-307.png?rev=1.1||alt="1656384961830-307.png"]]
438 438  
439 -Where : Start time: 60065F97 = time 21/1/19 04:27:03
716 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656384973646-598.png?rev=1.1||alt="1656384973646-598.png"]]
440 440  
441 - Stop time: 60066DA7= time 21/1/19 05:27:03
718 +==== 2.3.3.9  Battery Output - BAT pin ====
442 442  
720 +The BAT pin of SN50v3 is connected to the Battery directly. If users want to use BAT pin to power an external sensor. User need to make sure the external sensor is of low power consumption. Because the BAT pin is always open. If the external sensor is of high power consumption. the battery of SN50v3-LB will run out very soon.
443 443  
444 -**S31x-LB will uplink this payload.**
445 445  
446 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-13.png?width=727&height=421&rev=1.1||alt="图片-20220523001219-13.png" height="421" width="727"]]
723 +==== 2.3.3.10  +5V Output ====
447 447  
448 -(((
449 -__**7FFF089801464160065F97**__ **__7FFF__ __088E__ __014B__ __41__ __60066009__** 7FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
450 -)))
725 +SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling. 
451 451  
452 -(((
453 -Where the first 11 bytes is for the first entry:
454 -)))
727 +The 5V output time can be controlled by AT Command.
455 455  
456 -(((
457 -7FFF089801464160065F97
458 -)))
729 +**AT+5VT=1000**
459 459  
460 -(((
461 -**Ext sensor data**=0x7FFF/100=327.67
462 -)))
731 +Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
463 463  
464 -(((
465 -**Temp**=0x088E/100=22.00
466 -)))
733 +By default the AT+5VT=500. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
467 467  
468 -(((
469 -**Hum**=0x014B/10=32.6
470 -)))
471 471  
472 -(((
473 -**poll message flag & Ext**=0x41,means reply data,Ext=1
474 -)))
475 475  
476 -(((
477 -**Unix time** is 0x60066009=1611030423s=21/1/19 04:27:03
478 -)))
737 +==== 2.3.3.11  BH1750 Illumination Sensor ====
479 479  
739 +MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
480 480  
481 -(% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" data-widget="image" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="单击并拖动以调整大小" %)的(% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" data-widget="image" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="单击并拖动以调整大小" %)的
741 +[[image:image-20230512172447-4.png||height="593" width="1015"]]
482 482  
483 -== 2.6 Temperature Alarm Feature ==
743 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220628110012-12.png?rev=1.1||alt="image-20220628110012-12.png"]]
484 484  
485 485  
486 -S31x-LB work flow with Alarm feature.
746 +==== 2.3.3.12  Working MOD ====
487 487  
748 +The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
488 488  
489 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/image-20220623090437-1.png?rev=1.1||alt="图片-20220623090437-1.png"]]
750 +User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
490 490  
752 +Case 7^^th^^ Byte >> 2 & 0x1f:
491 491  
492 -== 2.7 Frequency Plans ==
754 +* 0: MOD1
755 +* 1: MOD2
756 +* 2: MOD3
757 +* 3: MOD4
758 +* 4: MOD5
759 +* 5: MOD6
493 493  
761 +== 2.4 Payload Decoder file ==
494 494  
495 -The S31x-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
496 496  
764 +In TTN, use can add a custom payload so it shows friendly reading
765 +
766 +In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
767 +
768 +[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B >>https://github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B]]
769 +
770 +
771 +
772 +== 2.5 Frequency Plans ==
773 +
774 +
775 +The SN50v3-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
776 +
497 497  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
498 498  
499 499  
500 -= 3. Configure S31x-LB =
780 += 3. Configure SN50v3-LB =
501 501  
502 502  == 3.1 Configure Methods ==
503 503  
504 504  
505 -S31x-LB supports below configure method:
785 +SN50v3-LB supports below configure method:
506 506  
507 507  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
508 508  * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
... ... @@ -521,7 +521,7 @@
521 521  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
522 522  
523 523  
524 -== 3.3 Commands special design for S31x-LB ==
804 +== 3.3 Commands special design for SN50v3-LB ==
525 525  
526 526  
527 527  These commands only valid for S31x-LB, as below:
... ... @@ -557,7 +557,6 @@
557 557  
558 558  === 3.3.2 Get Device Status ===
559 559  
560 -
561 561  Send a LoRaWAN downlink to ask device send Alarm settings.
562 562  
563 563  (% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
... ... @@ -565,77 +565,6 @@
565 565  Sensor will upload Device Status via FPORT=5. See payload section for detail.
566 566  
567 567  
568 -=== 3.3.3 Set Temperature Alarm Threshold ===
569 -
570 -* (% style="color:blue" %)**AT Command:**
571 -
572 -(% style="color:#037691" %)**AT+SHTEMP=min,max**
573 -
574 -* When min=0, and max≠0, Alarm higher than max
575 -* When min≠0, and max=0, Alarm lower than min
576 -* When min≠0 and max≠0, Alarm higher than max or lower than min
577 -
578 -Example:
579 -
580 - AT+SHTEMP=0,30   ~/~/ Alarm when temperature higher than 30.
581 -
582 -* (% style="color:blue" %)**Downlink Payload:**
583 -
584 -(% style="color:#037691" %)**0x(0C 01 00 1E)**  (%%) ~/~/ Set AT+SHTEMP=0,30
585 -
586 -(% style="color:red" %)**(note: 3^^rd^^ byte= 0x00 for low limit(not set), 4^^th^^ byte = 0x1E for high limit: 30)**
587 -
588 -
589 -=== 3.3.4 Set Humidity Alarm Threshold ===
590 -
591 -* (% style="color:blue" %)**AT Command:**
592 -
593 -(% style="color:#037691" %)**AT+SHHUM=min,max**
594 -
595 -* When min=0, and max≠0, Alarm higher than max
596 -* When min≠0, and max=0, Alarm lower than min
597 -* When min≠0 and max≠0, Alarm higher than max or lower than min
598 -
599 -Example:
600 -
601 - AT+SHHUM=70,0  ~/~/ Alarm when humidity lower than 70%.
602 -
603 -* (% style="color:blue" %)**Downlink Payload:**
604 -
605 -(% style="color:#037691" %)**0x(0C 02 46 00)**(%%)  ~/~/ Set AT+SHTHUM=70,0
606 -
607 -(% style="color:red" %)**(note: 3^^rd^^ byte= 0x46 for low limit (70%), 4^^th^^ byte = 0x00 for high limit (not set))**
608 -
609 -
610 -=== 3.3.5 Set Alarm Interval ===
611 -
612 -The shortest time of two Alarm packet. (unit: min)
613 -
614 -* (% style="color:blue" %)**AT Command:**
615 -
616 -(% style="color:#037691" %)**AT+ATDC=30** (%%) ~/~/ The shortest interval of two Alarm packets is 30 minutes, Means is there is an alarm packet uplink, there won't be another one in the next 30 minutes.
617 -
618 -* (% style="color:blue" %)**Downlink Payload:**
619 -
620 -(% style="color:#037691" %)**0x(0D 00 1E)**(%%)     **~-~--> ** Set AT+ATDC=0x 00 1E = 30 minutes
621 -
622 -
623 -=== 3.3.6 Get Alarm settings ===
624 -
625 -
626 -Send a LoRaWAN downlink to ask device send Alarm settings.
627 -
628 -* (% style="color:#037691" %)**Downlink Payload:  **(%%)0x0E 01
629 -
630 -**Example:**
631 -
632 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/1655948182791-225.png?rev=1.1||alt="1655948182791-225.png"]]
633 -
634 -
635 -**Explain:**
636 -
637 -* Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
638 -
639 639  === 3.3.7 Set Interrupt Mode ===
640 640  
641 641  
... ... @@ -695,8 +695,12 @@
695 695  
696 696  = 6. FAQ =
697 697  
906 +== 6.1 Where can i find source code of SN50v3-LB? ==
698 698  
908 +* **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
909 +* **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
699 699  
911 +
700 700  = 7. Order Info =
701 701  
702 702  
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