Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 130.15 >
edited by Xiaoling
on 2023/04/28 15:52
To version < 119.2 >
edited by Xiaoling
on 2022/08/22 14:47
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -17,8 +17,11 @@
17 17  
18 18  = 1.  Introduction =
19 19  
20 +
20 20  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
21 21  
23 +(((
24 +
22 22  
23 23  (((
24 24  The Dragino N95S31B is a (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*.
... ... @@ -37,13 +37,20 @@
37 37  )))
38 38  
39 39  (((
43 +
44 +)))
45 +
46 +(((
40 40  ~* make sure you have NB-IoT coverage locally.
41 41  )))
42 42  
50 +
51 +)))
43 43  
44 44  [[image:1657348284168-431.png]]
45 45  
46 46  
56 +
47 47  == 1.2 ​ Features ==
48 48  
49 49  
... ... @@ -60,6 +60,7 @@
60 60  
61 61  
62 62  
73 +
63 63  == 1.3  Specification ==
64 64  
65 65  
... ... @@ -68,15 +68,19 @@
68 68  * Supply Voltage: 2.1v ~~ 3.6v
69 69  * Operating Temperature: -40 ~~ 85°C
70 70  
82 +
83 +
71 71  (% style="color:#037691" %)**NB-IoT Spec:**
72 72  
73 -* B1 @H-FDD: 2100MHz
74 -* B3 @H-FDD: 1800MHz
75 -* B8 @H-FDD: 900MHz
76 -* B5 @H-FDD: 850MHz
77 -* B20 @H-FDD: 800MHz
78 -* B28 @H-FDD: 700MHz
86 +* - B1 @H-FDD: 2100MHz
87 +* - B3 @H-FDD: 1800MHz
88 +* - B8 @H-FDD: 900MHz
89 +* - B5 @H-FDD: 850MHz
90 +* - B20 @H-FDD: 800MHz
91 +* - B28 @H-FDD: 700MHz
79 79  
93 +
94 +
80 80  (% style="color:#037691" %)**Battery:**
81 81  
82 82  * Li/SOCI2 un-chargeable battery
... ... @@ -87,6 +87,7 @@
87 87  
88 88  
89 89  
105 +
90 90  == ​1.4  Applications ==
91 91  
92 92  
... ... @@ -101,6 +101,7 @@
101 101  ​
102 102  
103 103  
120 +
104 104  == 1.5  Pin Definitions & Switch ==
105 105  
106 106  
... ... @@ -110,6 +110,7 @@
110 110  [[image:image-20220709144723-1.png]]
111 111  
112 112  
130 +
113 113  === 1.5.1 Jumper JP2 ===
114 114  
115 115  
... ... @@ -116,18 +116,20 @@
116 116  Power on Device when put this jumper.
117 117  
118 118  
137 +
119 119  === 1.5.2 BOOT MODE / SW1 ===
120 120  
121 121  
122 122  (((
123 -**1) ISP: ** upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
142 +1) ISP: upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
124 124  )))
125 125  
126 126  (((
127 -**2) Flash:**  work mode, device starts to work and send out console output for further debug
146 +2) Flash: work mode, device starts to work and send out console output for further debug
128 128  )))
129 129  
130 130  
150 +
131 131  === 1.5.3 Reset Button ===
132 132  
133 133  
... ... @@ -134,18 +134,21 @@
134 134  Press to reboot the device.
135 135  
136 136  
157 +
137 137  === 1.5.4 LED ===
138 138  
139 139  
140 140  It will flash:
141 141  
142 -1.  When boot the device in flash mode
163 +1. When boot the device in flash mode
164 +1. Send an uplink packet
143 143  
144 -2.  Send an uplink packet
145 145  
146 146  
168 +
147 147  = 2.  Use N95S31B to communicate with IoT Server =
148 148  
171 +
149 149  == 2.1  How it works ==
150 150  
151 151  
... ... @@ -168,8 +168,10 @@
168 168  
169 169  )))
170 170  
194 +
171 171  == 2.2 ​ Configure the N95S31B ==
172 172  
197 +
173 173  === 2.2.1  Power On N95S31B ===
174 174  
175 175  
... ... @@ -176,9 +176,10 @@
176 176  [[image:image-20220709150546-2.png]]
177 177  
178 178  
179 -=== 2.2.2 Test Requirement ===
180 180  
205 +=== 2.2.1 Test Requirement ===
181 181  
207 +
182 182  (((
183 183  To use N95S31B in your city, make sure meet below requirements:
184 184  )))
... ... @@ -225,6 +225,7 @@
225 225  [[image:1657350625843-586.png]]
226 226  
227 227  
254 +
228 228  === 2.2.3  Insert SIM card ===
229 229  
230 230  
... ... @@ -240,6 +240,7 @@
240 240  [[image:1657351240556-536.png]]
241 241  
242 242  
270 +
243 243  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
244 244  
245 245  
... ... @@ -254,13 +254,13 @@
254 254  [[image:1657351312545-300.png]]
255 255  
256 256  
257 -(% style="color:blue" %)**Connection:**
285 +**Connection:**
258 258  
259 - (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
287 + (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
260 260  
261 -**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
289 + (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
262 262  
263 -**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
291 + (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
264 264  
265 265  
266 266  In the PC, use below serial tool settings:
... ... @@ -283,6 +283,7 @@
283 283  )))
284 284  
285 285  
314 +
286 286  === 2.2.5  Use CoAP protocol to uplink data ===
287 287  
288 288  
... ... @@ -297,10 +297,10 @@
297 297  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
298 298  )))
299 299  * (((
300 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
329 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
301 301  )))
302 302  * (((
303 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
332 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
304 304  )))
305 305  
306 306  (((
... ... @@ -319,6 +319,7 @@
319 319  [[image:1657352185396-303.png]]
320 320  
321 321  
351 +
322 322  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
323 323  
324 324  
... ... @@ -332,18 +332,18 @@
332 332  [[image:1657352403317-397.png]]
333 333  
334 334  
365 +
335 335  === 2.2.7  Use MQTT protocol to uplink data ===
336 336  
337 -
338 338  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
339 339  
340 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
341 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
342 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
343 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
344 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
345 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/  Set the sending topic of MQTT
346 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/  Set the subscription topic of MQTT
370 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
371 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
372 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
373 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
374 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
375 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
376 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/Set the subscription topic of MQTT
347 347  
348 348  [[image:1657352634421-276.png]]
349 349  
... ... @@ -350,19 +350,19 @@
350 350  
351 351  [[image:1657352645687-385.png]]
352 352  
353 -
354 354  (((
355 355  To save battery life, N95S31B will establish a subscription before each uplink and close the subscription 3 seconds after uplink successful. Any downlink commands from server will only arrive during the subscription period.
356 356  )))
357 357  
387 +
358 358  (((
359 359  MQTT protocol has a much high-power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
360 360  )))
361 361  
362 362  
393 +
363 363  === 2.2.8  Use TCP protocol to uplink data ===
364 364  
365 -
366 366  This feature is supported since firmware version v110
367 367  
368 368  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
... ... @@ -374,9 +374,9 @@
374 374  [[image:1657352914475-252.png]]
375 375  
376 376  
407 +
377 377  === 2.2.9  Change Update Interval ===
378 378  
379 -
380 380  User can use below command to change the (% style="color:green" %)**uplink interval**.
381 381  
382 382  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
... ... @@ -385,20 +385,13 @@
385 385  
386 386  )))
387 387  
388 -(((
389 -(% style="color:red" %)**NOTE: Since firmware version is v1.2:**
390 -)))
391 391  
392 -(((
393 -(% style="color:red" %)**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
394 -)))
395 395  
396 -
397 397  == 2.3  Uplink Payload ==
398 398  
399 399  
400 400  (((
401 -N95S31B has different working modes for the connections of different types of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes.
424 +N95S31B has different working mode for the connections of different type of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes.
402 402  )))
403 403  
404 404  
... ... @@ -407,7 +407,7 @@
407 407  )))
408 408  
409 409  (((
410 - (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/  will set the N95S31B to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
433 + (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the N95S31B to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
411 411  )))
412 412  
413 413  
... ... @@ -430,25 +430,26 @@
430 430  
431 431  (% style="color:red" %)
432 432  1. (((
433 -**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].**
456 +All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
434 434  )))
435 435  1. (((
436 -**By default, the device will send an uplink message every 1 hour.**
459 +By default, the device will send an uplink message every 1 hour.
437 437  
438 438  
462 +
439 439  
440 440  )))
441 441  
442 442  === 2.3.1  Payload Analyze ===
443 443  
444 -==== 2.3.1.1  Before Firmware v1.2 ====
468 +N95S31B uplink payload includes in total 21 bytes
445 445  
446 446  
447 -N95S31B uplink payload includes in total 21 bytes.
448 -
449 -(% border="1" style="background-color:#f2f2f2; width:520px" %)
450 -|=(% style="width: 50px;background-color:#D9E2F3" %)**Size(bytes)**|=(% style="width: 45px;background-color:#D9E2F3" %)**6**|=(% style="width: 25px;background-color:#D9E2F3" %)2|=(% style="width: 25px;background-color:#D9E2F3" %)**2**|=(% style="width: 65px;background-color:#D9E2F3" %)**1**|=(% style="width: 50px;background-color:#D9E2F3" %)1|=(% style="width: 120px;background-color:#D9E2F3" %)5|=(% style="width: 70px;background-color:#D9E2F3" %)**2**|=(% style="width: 70px;background-color:#D9E2F3" %)**2**
451 -|(% style="width:97px" %)**Value**|(% style="width:65px" %)[[Device ID>>||anchor="H2.3.2A0DeviceID"]]|(% style="width:50px" %)[[Ver>>||anchor="H2.3.3A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.3.4A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.3.5A0SignalStrength"]]|(% style="width:59px" %)MOD 0X01|(% style="width:162px" %)(((
471 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
472 +|=(% style="width: 60px;" %)(((
473 +**Size(bytes)**
474 +)))|=(% style="width: 50px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 70px;" %)**1**|=(% style="width: 55px;" %)1|=(% style="width: 115px;" %)5|=(% style="width: 60px;" %)**2**|=(% style="width: 60px;" %)**2**
475 +|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.3.2A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.3.3A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.3.4A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.3.5A0SignalStrength"]]|(% style="width:123px" %)MOD 0X01|(% style="width:99px" %)(((
452 452  (((
453 453  Reserve/ Same as NBSN95 CFGMOD=1
454 454  )))
... ... @@ -456,7 +456,7 @@
456 456  (((
457 457  No function here.
458 458  )))
459 -)))|(% style="width:102px" %)(((
483 +)))|(% style="width:77px" %)(((
460 460  (((
461 461  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
462 462  )))
... ... @@ -464,7 +464,7 @@
464 464  (((
465 465  By SHT31
466 466  )))
467 -)))|(% style="width:81px" %)(((
491 +)))|(% style="width:80px" %)(((
468 468  (((
469 469  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
470 470  )))
... ... @@ -475,8 +475,6 @@
475 475  )))
476 476  
477 477  (((
478 -
479 -
480 480  (((
481 481  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
482 482  )))
... ... @@ -486,89 +486,29 @@
486 486  [[image:1657354294009-643.png]]
487 487  
488 488  
489 -The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
511 +The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
490 490  
491 -**where:**
513 +* Device ID: 0x724031607457 = 724031607457
514 +* Version: 0x006e=110=1.1.0
492 492  
493 -* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
516 +* BAT: 0x0ccd = 3277 mV = 3.277V
517 +* Signal: 0x1b = 27
518 +* Model: 0x01 = 1
519 +* 0x00dc000ccc= reserve, ignore in N95S31B
520 +* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C
521 +* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh
494 494  
495 -* (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0
496 -
497 -* (% style="color:#037691" %)**BAT:**   (%%) 0x0ccd = 3277 mV = 3.277V
498 -
499 -* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27
500 -
501 -* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1
502 -
503 -* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B**
504 -
505 -* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C
506 -
507 -* (% style="color:#037691" %)**Humidity by SHT31:**  (%%) 0x0186 = 390 = 39.0 %rh
508 -
509 509  (((
510 510  
525 +)))
511 511  
527 +(((
512 512  
513 513  )))
514 514  
515 -==== 2.3.1.2 Since Firmware v1.2 ====
516 516  
517 -
518 -In this mode, uplink payload includes 91 bytes in total by default.
519 -
520 -Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
521 -
522 -
523 -(% border="1" style="background-color:#f2f2f2; width:520px" %)
524 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**8**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:30px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:55px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:35px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:30px" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:35px" %)**4**
525 -|=(% style="width: 95px;" %)**Value**|(% style="width:82px" %)Device ID|(% style="width:43px" %)Ver|(% style="width:47px" %)BAT|(% style="width:124px" %)Signal Strength|(% style="width:56px" %)MOD|(% style="width:109px" %)TemDS18B20|(% style="width:80px" %)Interrupt|(% style="width:51px" %)ADC|(% style="width:79px" %)SHTTEM|(% style="width:84px" %)SHTHUM|(% style="width:100px" %)Time stamp |(% style="width:76px" %)SHTTEM|(% style="width:81px" %)SHTHUM|(% style="width:121px" %)Time stamp .....
526 -
527 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
528 -
529 -
530 -[[image:image-20220908154949-1.png]]
531 -
532 -
533 -The payload is ASCII string, representative same HEX:
534 -
535 -**0x (% style="color:red" %)__f868411056758782__ (% style="color:blue" %)__000c__ (% style="color:green" %)__0d0f__ (% style="color:#00b0f0" %)__0c__ (% style="color:#7030a0" %)__01__ (% style="color:#d60093" %)__0000__ (% style="color:#a14d07" %)__00__ __0030__ (% style="color:#0020b0" %)__0114__ (% style="color:#420042" %)__0231__ (% style="color:#663300" %)__63199d3c__ (%%)__0113023163199d12__ __0113023163199c5e__// //__0112023763199baa__ __0112023263199af6__// //__0111023b631999a7__ **
536 -
537 -**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
538 -
539 -**where:**
540 -
541 -* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
542 -
543 -* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
544 -
545 -* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
546 -
547 -* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
548 -
549 -* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
550 -
551 -* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
552 -
553 -* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
554 -
555 -* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
556 -
557 -* (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
558 -
559 -* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
560 -
561 -* (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
562 -
563 -* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
564 -
565 -* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
566 -
567 -
568 -
569 569  === 2.3.2  Device ID ===
570 570  
571 -
572 572  (((
573 573  By default, the Device ID equal to the last 6 bytes of IMEI.
574 574  )))
... ... @@ -575,12 +575,10 @@
575 575  
576 576  (((
577 577  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
578 -
579 -
580 580  )))
581 581  
582 582  (((
583 -(% style="color:blue" %)**Example:**
543 +**Example:**
584 584  )))
585 585  
586 586  (((
... ... @@ -588,37 +588,23 @@
588 588  )))
589 589  
590 590  (((
591 -The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
592 -
593 -
551 +The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
594 594  )))
595 595  
596 -(% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:**
597 597  
598 598  
599 -By default, the Device ID equal to the last 15 bits of IMEI.
600 -
601 -User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
602 -
603 -
604 -(% style="color:blue" %)**Example:**
605 -
606 -AT+DEUI=868411056754138
607 -
608 -
609 609  === 2.3.3  Version Info ===
610 610  
611 -
612 612  (((
613 613  These bytes include the hardware and software version.
614 614  )))
615 615  
616 616  (((
617 -**Higher byte:** Specify hardware version: always 0x00 for N95S31B
563 +Higher byte: Specify hardware version: always 0x00 for N95S31B
618 618  )))
619 619  
620 620  (((
621 -**Lower byte:** Specify the software version: 0x6E=110, means firmware version 110
567 +Lower byte: Specify the software version: 0x6E=110, means firmware version 110
622 622  )))
623 623  
624 624  (((
... ... @@ -633,9 +633,9 @@
633 633  
634 634  )))
635 635  
582 +
636 636  === 2.3.4  Battery Info ===
637 637  
638 -
639 639  (((
640 640  Ex1: 0x0B45 = 2885mV
641 641  )))
... ... @@ -645,9 +645,9 @@
645 645  )))
646 646  
647 647  
594 +
648 648  === 2.3.5  Signal Strength ===
649 649  
650 -
651 651  (((
652 652  NB-IoT Network signal Strength.
653 653  )))
... ... @@ -677,9 +677,9 @@
677 677  )))
678 678  
679 679  
626 +
680 680  === 2.3.6  Temperature & Humidity ===
681 681  
682 -
683 683  The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
684 684  
685 685  [[image:image-20220709161741-3.png]]
... ... @@ -695,16 +695,12 @@
695 695  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
696 696  
697 697  
644 +
698 698  == 2.4  Downlink Payload ==
699 699  
700 -
701 701  By default, N95S31B prints the downlink payload to console port.
702 702  
703 -(% border="1" style="background-color:#f2f2f2; width:520px" %)
704 -|(% style="background-color:#d9e2f3; color:#0070c0; width:200px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:170px" %)**Downlink payload size(bytes)**
705 -|(% style="width:204px" %)TDC(Transmit Time Interval)|(% style="width:80px" %)Any|(% style="width:94px" %)01|(% style="width:150px" %)4
706 -|(% style="width:204px" %)RESET|(% style="width:80px" %)Any|(% style="width:94px" %)04|(% style="width:150px" %)2
707 -|(% style="width:204px" %)INTMOD|(% style="width:80px" %)Any|(% style="width:94px" %)06|(% style="width:150px" %)4
649 +[[image:image-20220709100028-1.png]]
708 708  
709 709  
710 710  (((
... ... @@ -751,76 +751,69 @@
751 751  )))
752 752  
753 753  
754 -== 2.5  Humidity and Temperature alarm function ==
755 755  
697 +== 2.5  ​Battery Analysis ==
756 756  
757 -**~ (% style="color:blue" %)➢ AT Command:(%%)**
699 +=== 2.5.1  ​Battery Type ===
758 758  
759 759  
760 -(% style="color:#037691" %)**AT+ SHHUM=min,max**
702 +(((
703 +The N95S31B battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
704 +)))
761 761  
706 +(((
707 +The battery is designed to last for several years depends on the actually use environment and update interval. 
708 +)))
762 762  
763 -² When min=0, and max≠0, Alarm higher than max
710 +(((
711 +The battery related documents as below:
712 +)))
764 764  
765 -² When min≠0, and max=0, Alarm lower than min
714 +* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
715 +* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
716 +* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
766 766  
767 -² When min≠0 and max≠0, Alarm higher than max or lower than min
718 +(((
719 +[[image:image-20220709101450-2.png]]
720 +)))
768 768  
769 769  
770 - (% style="color:blue" %)**Example:**
771 771  
772 -AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
724 +=== 2.5.2  Power consumption Analyze ===
773 773  
726 +(((
727 +The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project.
728 +)))
774 774  
775 -(% style="color:#037691" %)**AT+ SHTEMP=min,max**
730 +(((
731 +
732 +)))
776 776  
777 -² When min=0, and max≠0, Alarm higher than max
778 778  
779 -² When min≠0, and max=0, Alarm lower than min
735 +=== 2.5.3  ​Battery Note ===
780 780  
781 -² When min≠0 and max≠0, Alarm higher than max or lower than min
737 +(((
738 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to uplink data, then the battery life may be decreased.
739 +)))
782 782  
783 783  
784 -**~ (% style="color:blue" %)Example:(%%)**
785 785  
786 -AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
743 +=== 2.5.4  Replace the battery ===
787 787  
788 788  
789 -== 2.6 Set the number of data to be uploaded and the recording time ==
746 +(((
747 +You can change the battery in the N95S31B.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
748 +)))
790 790  
791 791  
792 -**~ (% style="color:blue" %)➢ AT Command:(%%)**
751 +(((
752 +The default battery pack of N95S31B includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
753 +)))
793 793  
794 -* (% style="color:#037691" %)**AT+TR=900**     (%%)~/~/  The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
795 -* (% style="color:#037691" %)**AT+NOUD=8**  (%%)~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
796 796  
797 - The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
798 798  
799 -[[image:image-20221009001045-1.png||height="726" width="1009"]]
800 -
801 -
802 -== 2.7 Read or Clear cached data ==
803 -
804 -
805 -**~ (% style="color:blue" %)➢ AT Command:(%%)**
806 -
807 -* (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
808 -* (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
809 -
810 -[[image:image-20220908163102-2.png]]
811 -
812 -
813 -== 2.8 Battery & Power Consumption ==
814 -
815 -
816 -N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
817 -
818 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
819 -
820 -
821 821  = 3. ​ Access NB-IoT Module =
822 822  
823 -
824 824  (((
825 825  Users can directly access the AT command set of the NB-IoT module.
826 826  )))
... ... @@ -827,21 +827,19 @@
827 827  
828 828  (((
829 829  The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 
830 -
831 -
832 832  )))
833 833  
834 834  [[image:1657333200519-600.png]]
835 835  
836 836  
770 +
837 837  = 4.  Using the AT Commands =
838 838  
839 839  == 4.1  Access AT Commands ==
840 840  
775 +See NBSN95 AT Command in this link for detail:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/]]
841 841  
842 -See NBSN95 AT Command in this link for detail:  [[https:~~/~~/www.dropbox.com/sh/jao1xt9kw5r3yq4/AAAMpJkZzExF2JLbRWxGoQ9Na?dl=0>>https://www.dropbox.com/sh/jao1xt9kw5r3yq4/AAAMpJkZzExF2JLbRWxGoQ9Na?dl=0]]
843 843  
844 -
845 845  AT+<CMD>?  : Help on <CMD>
846 846  
847 847  AT+<CMD>         : Run <CMD>
... ... @@ -881,24 +881,7 @@
881 881  
882 882  AT+SERVADDR  : Server Address
883 883  
884 -AT+TR      : Get or Set record time
885 885  
886 -AT+APN     : Get or set the APN
887 -
888 -AT+FBAND   : Get or Set whether to automatically modify the frequency band
889 -
890 -AT+DNSCFG  : Get or Set DNS Server
891 -
892 -AT+GETSENSORVALUE   : Returns the current sensor measurement
893 -
894 -AT+NOUD      : Get or Set the number of data to be uploaded
895 -
896 -AT+CDP     : Read or Clear cached data
897 -
898 -AT+SHTEMP: Get or Set alarm of temp
899 -
900 -AT+SHHUM: Get or Set alarm of moisture
901 -
902 902  (% style="color:#037691" %)**COAP Management**      
903 903  
904 904  AT+URI            : Resource parameters
... ... @@ -929,6 +929,7 @@
929 929  AT+PWORD  : Serial Access Password
930 930  
931 931  
848 +
932 932  = ​5.  FAQ =
933 933  
934 934  == 5.1 ​ How to Upgrade Firmware ==
... ... @@ -943,12 +943,15 @@
943 943  )))
944 944  
945 945  (((
946 -Firmware Download：[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]]
863 +
947 947  
948 -(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
865 +(((
866 +(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
949 949  )))
868 +)))
950 950  
951 951  
871 +
952 952  = 6.  Trouble Shooting =
953 953  
954 954  == 6.1  ​Connection problem when uploading firmware ==
... ... @@ -958,10 +958,14 @@
958 958  **Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]]
959 959  )))
960 960  
881 +(% class="wikigeneratedid" %)
882 +(((
883 +
884 +)))
961 961  
886 +
962 962  == 6.2  AT Command input doesn't work ==
963 963  
964 -
965 965  (((
966 966  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
967 967  
... ... @@ -968,12 +968,7 @@
968 968  
969 969  )))
970 970  
971 -== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
972 972  
973 -
974 -This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**.
975 -
976 -
977 977  = 7. ​ Order Info =
978 978  
979 979  
... ... @@ -980,6 +980,11 @@
980 980  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
981 981  
982 982  
902 +(% class="wikigeneratedid" %)
903 +(((
904 +
905 +)))
906 +
983 983  = 8.  Packing Info =
984 984  
985 985  (((
... ... @@ -1002,13 +1002,14 @@
1002 1002  * Weight / pcs : 180g
1003 1003  )))
1004 1004  
929 +(((
930 +
1005 1005  
1006 1006  
933 +
934 +)))
935 +
1007 1007  = 9.  Support =
1008 1008  
1009 -
1010 1010  * 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.
1011 -
1012 1012  * 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:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
1013 -
1014 -
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