Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 130.8 >
edited by Xiaoling
on 2023/04/28 14:00
To version < 119.1 >
edited by Xiaoling
on 2022/07/12 17:49
>
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Summary

Details

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Content
... ... @@ -19,6 +19,8 @@
19 19  
20 20  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
21 21  
22 +(((
23 +
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*.
... ... @@ -37,16 +37,22 @@
37 37  )))
38 38  
39 39  (((
42 +
43 +)))
44 +
45 +(((
40 40  ~* make sure you have NB-IoT coverage locally.
41 41  )))
42 42  
49 +
50 +)))
43 43  
44 44  [[image:1657348284168-431.png]]
45 45  
46 46  
55 +
47 47  == 1.2 ​ Features ==
48 48  
49 -
50 50  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
51 51  * Monitor Temperature & Humidity via SHT31
52 52  * AT Commands to change parameters
... ... @@ -58,6 +58,8 @@
58 58  * Micro SIM card slot for NB-IoT SIM
59 59  * 8500mAh Battery for long term use
60 60  
69 +
70 +
61 61  == 1.3  Specification ==
62 62  
63 63  
... ... @@ -68,12 +68,12 @@
68 68  
69 69  (% style="color:#037691" %)**NB-IoT Spec:**
70 70  
71 -* B1 @H-FDD: 2100MHz
72 -* B3 @H-FDD: 1800MHz
73 -* B8 @H-FDD: 900MHz
74 -* B5 @H-FDD: 850MHz
75 -* B20 @H-FDD: 800MHz
76 -* B28 @H-FDD: 700MHz
81 +* - B1 @H-FDD: 2100MHz
82 +* - B3 @H-FDD: 1800MHz
83 +* - B8 @H-FDD: 900MHz
84 +* - B5 @H-FDD: 850MHz
85 +* - B20 @H-FDD: 800MHz
86 +* - B28 @H-FDD: 700MHz
77 77  
78 78  (% style="color:#037691" %)**Battery:**
79 79  
... ... @@ -83,9 +83,10 @@
83 83  * Max continuously current: 130mA
84 84  * Max boost current: 2A, 1 second
85 85  
86 -== ​1.4  Applications ==
87 87  
88 88  
98 +== ​1.4  Applications ==
99 +
89 89  * Smart Buildings & Home Automation
90 90  * Logistics and Supply Chain Management
91 91  * Smart Metering
... ... @@ -99,45 +99,42 @@
99 99  
100 100  == 1.5  Pin Definitions & Switch ==
101 101  
102 -
103 103  N95S31B use the mother board from NBSN95 which as below.
104 104  
105 -
106 106  [[image:image-20220709144723-1.png]]
107 107  
108 108  
109 109  === 1.5.1 Jumper JP2 ===
110 110  
111 -
112 112  Power on Device when put this jumper.
113 113  
114 114  
123 +
115 115  === 1.5.2 BOOT MODE / SW1 ===
116 116  
117 -
118 118  (((
119 -**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.
127 +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.
120 120  )))
121 121  
122 122  (((
123 -**2) Flash:**  work mode, device starts to work and send out console output for further debug
131 +2) Flash: work mode, device starts to work and send out console output for further debug
124 124  )))
125 125  
126 126  
135 +
127 127  === 1.5.3 Reset Button ===
128 128  
129 -
130 130  Press to reboot the device.
131 131  
132 132  
141 +
133 133  === 1.5.4 LED ===
134 134  
135 -
136 136  It will flash:
137 137  
138 -1.  When boot the device in flash mode
146 +1. When boot the device in flash mode
147 +1. Send an uplink packet
139 139  
140 -2.  Send an uplink packet
141 141  
142 142  
143 143  = 2.  Use N95S31B to communicate with IoT Server =
... ... @@ -164,8 +164,10 @@
164 164  
165 165  )))
166 166  
175 +
167 167  == 2.2 ​ Configure the N95S31B ==
168 168  
178 +
169 169  === 2.2.1  Power On N95S31B ===
170 170  
171 171  
... ... @@ -172,7 +172,7 @@
172 172  [[image:image-20220709150546-2.png]]
173 173  
174 174  
175 -=== 2.2.2 Test Requirement ===
185 +=== 2.2.1 Test Requirement ===
176 176  
177 177  
178 178  (((
... ... @@ -221,9 +221,9 @@
221 221  [[image:1657350625843-586.png]]
222 222  
223 223  
234 +
224 224  === 2.2.3  Insert SIM card ===
225 225  
226 -
227 227  (((
228 228  Insert the NB-IoT Card get from your provider.
229 229  )))
... ... @@ -236,29 +236,26 @@
236 236  [[image:1657351240556-536.png]]
237 237  
238 238  
249 +
239 239  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
240 240  
241 -
242 242  (((
243 243  (((
244 244  User need to configure N95S31B via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. N95S31B support AT Commands, user can use a USB to TTL adapter to connect to N95S31B and use AT Commands to configure it, as below.
245 -
246 -
247 247  )))
248 248  )))
249 249  
250 250  [[image:1657351312545-300.png]]
251 251  
260 +**Connection:**
252 252  
253 -(% style="color:blue" %)**Connection:**
262 + (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
254 254  
255 - (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
264 + (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
256 256  
257 -**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
266 + (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
258 258  
259 -**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
260 260  
261 -
262 262  In the PC, use below serial tool settings:
263 263  
264 264  * Baud:  (% style="color:green" %)**9600**
... ... @@ -273,18 +273,17 @@
273 273  
274 274  [[image:1657329814315-101.png]]
275 275  
276 -
277 277  (((
278 -(% style="color:red" %)**Note: the valid AT Commands can be found at:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i~~-~~-AyZcQkoua?dl=0>>https://www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i--AyZcQkoua?dl=0]]**
284 +(% style="color:red" %)Note: the valid AT Commands can be found at:  (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]
279 279  )))
280 280  
281 281  
288 +
282 282  === 2.2.5  Use CoAP protocol to uplink data ===
283 283  
291 +(% style="color:red" %)Note: if you don't have CoAP server, you can refer this link to set up one: (%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
284 284  
285 -(% style="color:red" %)**Note: if you don't have CoAP server, you can refer this link to set up one: **(%%)**[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]**
286 286  
287 -
288 288  (((
289 289  **Use below commands:**
290 290  )))
... ... @@ -293,10 +293,10 @@
293 293  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
294 294  )))
295 295  * (((
296 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
302 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
297 297  )))
298 298  * (((
299 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
305 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
300 300  )))
301 301  
302 302  (((
... ... @@ -315,6 +315,7 @@
315 315  [[image:1657352185396-303.png]]
316 316  
317 317  
324 +
318 318  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
319 319  
320 320  
... ... @@ -328,18 +328,18 @@
328 328  [[image:1657352403317-397.png]]
329 329  
330 330  
338 +
331 331  === 2.2.7  Use MQTT protocol to uplink data ===
332 332  
333 -
334 334  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
335 335  
336 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
337 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
338 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
339 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
340 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
341 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/  Set the sending topic of MQTT
342 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/  Set the subscription topic of MQTT
343 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
344 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
345 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
346 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
347 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
348 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
349 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/Set the subscription topic of MQTT
343 343  
344 344  [[image:1657352634421-276.png]]
345 345  
... ... @@ -346,19 +346,19 @@
346 346  
347 347  [[image:1657352645687-385.png]]
348 348  
349 -
350 350  (((
351 351  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.
352 352  )))
353 353  
360 +
354 354  (((
355 355  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.
356 356  )))
357 357  
358 358  
366 +
359 359  === 2.2.8  Use TCP protocol to uplink data ===
360 360  
361 -
362 362  This feature is supported since firmware version v110
363 363  
364 364  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
... ... @@ -370,9 +370,9 @@
370 370  [[image:1657352914475-252.png]]
371 371  
372 372  
380 +
373 373  === 2.2.9  Change Update Interval ===
374 374  
375 -
376 376  User can use below command to change the (% style="color:green" %)**uplink interval**.
377 377  
378 378  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
... ... @@ -381,20 +381,13 @@
381 381  
382 382  )))
383 383  
384 -(((
385 -(% style="color:red" %)**NOTE: Since firmware version is v1.2:**
386 -)))
387 387  
388 -(((
389 -(% 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).**
390 -)))
391 391  
392 -
393 393  == 2.3  Uplink Payload ==
394 394  
395 395  
396 396  (((
397 -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.
397 +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.
398 398  )))
399 399  
400 400  
... ... @@ -403,7 +403,7 @@
403 403  )))
404 404  
405 405  (((
406 - (% 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.
406 + (% 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.
407 407  )))
408 408  
409 409  
... ... @@ -426,26 +426,26 @@
426 426  
427 427  (% style="color:red" %)
428 428  1. (((
429 -**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].**
429 +All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
430 430  )))
431 431  1. (((
432 -**By default, the device will send an uplink message every 1 hour.**
432 +By default, the device will send an uplink message every 1 hour.
433 433  
434 434  
435 +
435 435  
436 436  )))
437 437  
438 438  === 2.3.1  Payload Analyze ===
439 439  
440 -==== 2.3.1.1  Before Firmware v1.2 ====
441 -
442 -
443 443  N95S31B uplink payload includes in total 21 bytes
444 444  
445 445  
446 -(% border="1" style="background-color:#f2f2f2; width:520px" %)
447 -|=(% 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**
448 -|(% 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" %)(((
444 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
445 +|=(% style="width: 60px;" %)(((
446 +**Size(bytes)**
447 +)))|=(% 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**
448 +|(% 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" %)(((
449 449  (((
450 450  Reserve/ Same as NBSN95 CFGMOD=1
451 451  )))
... ... @@ -453,7 +453,7 @@
453 453  (((
454 454  No function here.
455 455  )))
456 -)))|(% style="width:102px" %)(((
456 +)))|(% style="width:77px" %)(((
457 457  (((
458 458  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
459 459  )))
... ... @@ -461,7 +461,7 @@
461 461  (((
462 462  By SHT31
463 463  )))
464 -)))|(% style="width:81px" %)(((
464 +)))|(% style="width:80px" %)(((
465 465  (((
466 466  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
467 467  )))
... ... @@ -472,8 +472,6 @@
472 472  )))
473 473  
474 474  (((
475 -
476 -
477 477  (((
478 478  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
479 479  )))
... ... @@ -483,87 +483,29 @@
483 483  [[image:1657354294009-643.png]]
484 484  
485 485  
486 -The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
484 +The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
487 487  
488 -**where:**
486 +* Device ID: 0x724031607457 = 724031607457
487 +* Version: 0x006e=110=1.1.0
489 489  
490 -* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
489 +* BAT: 0x0ccd = 3277 mV = 3.277V
490 +* Signal: 0x1b = 27
491 +* Model: 0x01 = 1
492 +* 0x00dc000ccc= reserve, ignore in N95S31B
493 +* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C
494 +* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh
491 491  
492 -* (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0
493 -
494 -* (% style="color:#037691" %)**BAT:**   (%%) 0x0ccd = 3277 mV = 3.277V
495 -
496 -* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27
497 -
498 -* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1
499 -
500 -* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B**
501 -
502 -* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C
503 -
504 -* (% style="color:#037691" %)**Humidity by SHT31:**  (%%) 0x0186 = 390 = 39.0 %rh
505 -
506 506  (((
507 507  
498 +)))
508 508  
500 +(((
509 509  
510 510  )))
511 511  
512 -==== 2.3.1.2 Since Firmware v1.2 ====
513 513  
514 -
515 -In this mode, uplink payload includes 91 bytes in total by default.
516 -
517 -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.
518 -
519 -
520 -(% border="1" style="background-color:#f2f2f2; width:520px" %)
521 -|=(% 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**
522 -|=(% 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 .....
523 -
524 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
525 -
526 -
527 -[[image:image-20220908154949-1.png]]
528 -
529 -
530 -The payload is ASCII string, representative same HEX:
531 -
532 -**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__ **
533 -
534 -**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
535 -
536 -**where:**
537 -
538 -* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
539 -
540 -* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
541 -
542 -* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
543 -
544 -* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
545 -
546 -* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
547 -
548 -* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
549 -
550 -* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
551 -
552 -* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
553 -
554 -* (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
555 -
556 -* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
557 -
558 -* (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
559 -
560 -* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
561 -
562 -* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
563 -
564 564  === 2.3.2  Device ID ===
565 565  
566 -
567 567  (((
568 568  By default, the Device ID equal to the last 6 bytes of IMEI.
569 569  )))
... ... @@ -570,12 +570,10 @@
570 570  
571 571  (((
572 572  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
573 -
574 -
575 575  )))
576 576  
577 577  (((
578 -(% style="color:blue" %)**Example:**
516 +**Example:**
579 579  )))
580 580  
581 581  (((
... ... @@ -583,37 +583,23 @@
583 583  )))
584 584  
585 585  (((
586 -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.
587 -
588 -
524 +The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
589 589  )))
590 590  
591 -(% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:**
592 592  
593 593  
594 -By default, the Device ID equal to the last 15 bits of IMEI.
595 -
596 -User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
597 -
598 -
599 -(% style="color:blue" %)**Example:**
600 -
601 -AT+DEUI=868411056754138
602 -
603 -
604 604  === 2.3.3  Version Info ===
605 605  
606 -
607 607  (((
608 608  These bytes include the hardware and software version.
609 609  )))
610 610  
611 611  (((
612 -**Higher byte:** Specify hardware version: always 0x00 for N95S31B
536 +Higher byte: Specify hardware version: always 0x00 for N95S31B
613 613  )))
614 614  
615 615  (((
616 -**Lower byte:** Specify the software version: 0x6E=110, means firmware version 110
540 +Lower byte: Specify the software version: 0x6E=110, means firmware version 110
617 617  )))
618 618  
619 619  (((
... ... @@ -628,9 +628,9 @@
628 628  
629 629  )))
630 630  
555 +
631 631  === 2.3.4  Battery Info ===
632 632  
633 -
634 634  (((
635 635  Ex1: 0x0B45 = 2885mV
636 636  )))
... ... @@ -640,9 +640,9 @@
640 640  )))
641 641  
642 642  
567 +
643 643  === 2.3.5  Signal Strength ===
644 644  
645 -
646 646  (((
647 647  NB-IoT Network signal Strength.
648 648  )))
... ... @@ -672,9 +672,9 @@
672 672  )))
673 673  
674 674  
599 +
675 675  === 2.3.6  Temperature & Humidity ===
676 676  
677 -
678 678  The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
679 679  
680 680  [[image:image-20220709161741-3.png]]
... ... @@ -690,17 +690,11 @@
690 690  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
691 691  
692 692  
617 +
693 693  == 2.4  Downlink Payload ==
694 694  
695 -
696 696  By default, N95S31B prints the downlink payload to console port.
697 697  
698 -(% border="1" style="background-color:#f2f2f2; width:520px" %)
699 -|(% style="background-color:#d9e2f3; color:#0070c0; width:200px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:200px" %)**Downlink payload size(bytes)**
700 -|(% style="width:82px" %)TDC(Transmit Time Interval)|(% style="width:43px" %)Any|(% style="width:47px" %)01|(% style="width:124px" %)4
701 -|(% style="width:82px" %)RESET|(% style="width:43px" %)Any|(% style="width:47px" %)04|(% style="width:124px" %)2
702 -|(% style="width:82px" %)INTMOD|(% style="width:43px" %)Any|(% style="width:47px" %)06|(% style="width:124px" %)4
703 -
704 704  [[image:image-20220709100028-1.png]]
705 705  
706 706  
... ... @@ -748,76 +748,69 @@
748 748  )))
749 749  
750 750  
751 -== 2.5  Humidity and Temperature alarm function ==
752 752  
670 +== 2.5  ​Battery Analysis ==
753 753  
754 -**~ (% style="color:blue" %)➢ AT Command:(%%)**
672 +=== 2.5.1  ​Battery Type ===
755 755  
756 756  
757 -(% style="color:#037691" %)**AT+ SHHUM=min,max**
675 +(((
676 +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.
677 +)))
758 758  
679 +(((
680 +The battery is designed to last for several years depends on the actually use environment and update interval. 
681 +)))
759 759  
760 -² When min=0, and max≠0, Alarm higher than max
683 +(((
684 +The battery related documents as below:
685 +)))
761 761  
762 -² When min≠0, and max=0, Alarm lower than min
687 +* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
688 +* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
689 +* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
763 763  
764 -² When min≠0 and max≠0, Alarm higher than max or lower than min
691 +(((
692 +[[image:image-20220709101450-2.png]]
693 +)))
765 765  
766 766  
767 - (% style="color:blue" %)**Example:**
768 768  
769 -AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
697 +=== 2.5.2  Power consumption Analyze ===
770 770  
699 +(((
700 +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.
701 +)))
771 771  
772 -(% style="color:#037691" %)**AT+ SHTEMP=min,max**
703 +(((
704 +
705 +)))
773 773  
774 -² When min=0, and max≠0, Alarm higher than max
775 775  
776 -² When min≠0, and max=0, Alarm lower than min
708 +=== 2.5.3  ​Battery Note ===
777 777  
778 -² When min≠0 and max≠0, Alarm higher than max or lower than min
710 +(((
711 +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.
712 +)))
779 779  
780 780  
781 -**~ (% style="color:blue" %)Example:(%%)**
782 782  
783 -AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
716 +=== 2.5.4  Replace the battery ===
784 784  
785 785  
786 -== 2.6 Set the number of data to be uploaded and the recording time ==
719 +(((
720 +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.
721 +)))
787 787  
788 788  
789 -**~ (% style="color:blue" %)➢ AT Command:(%%)**
724 +(((
725 +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).
726 +)))
790 790  
791 -* (% 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)
792 -* (% 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.
793 793  
794 - The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
795 795  
796 -[[image:image-20221009001045-1.png||height="726" width="1009"]]
797 -
798 -
799 -== 2.7 Read or Clear cached data ==
800 -
801 -
802 -**~ (% style="color:blue" %)➢ AT Command:(%%)**
803 -
804 -* (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
805 -* (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
806 -
807 -[[image:image-20220908163102-2.png]]
808 -
809 -
810 -== 2.8 Battery & Power Consumption ==
811 -
812 -
813 -N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
814 -
815 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
816 -
817 -
818 818  = 3. ​ Access NB-IoT Module =
819 819  
820 -
821 821  (((
822 822  Users can directly access the AT command set of the NB-IoT module.
823 823  )))
... ... @@ -824,21 +824,19 @@
824 824  
825 825  (((
826 826  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/]] 
827 -
828 -
829 829  )))
830 830  
831 831  [[image:1657333200519-600.png]]
832 832  
833 833  
743 +
834 834  = 4.  Using the AT Commands =
835 835  
836 836  == 4.1  Access AT Commands ==
837 837  
748 +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/]]
838 838  
839 -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]]
840 840  
841 -
842 842  AT+<CMD>?  : Help on <CMD>
843 843  
844 844  AT+<CMD>         : Run <CMD>
... ... @@ -878,24 +878,7 @@
878 878  
879 879  AT+SERVADDR  : Server Address
880 880  
881 -AT+TR      : Get or Set record time
882 882  
883 -AT+APN     : Get or set the APN
884 -
885 -AT+FBAND   : Get or Set whether to automatically modify the frequency band
886 -
887 -AT+DNSCFG  : Get or Set DNS Server
888 -
889 -AT+GETSENSORVALUE   : Returns the current sensor measurement
890 -
891 -AT+NOUD      : Get or Set the number of data to be uploaded
892 -
893 -AT+CDP     : Read or Clear cached data
894 -
895 -AT+SHTEMP: Get or Set alarm of temp
896 -
897 -AT+SHHUM: Get or Set alarm of moisture
898 -
899 899  (% style="color:#037691" %)**COAP Management**      
900 900  
901 901  AT+URI            : Resource parameters
... ... @@ -926,6 +926,7 @@
926 926  AT+PWORD  : Serial Access Password
927 927  
928 928  
821 +
929 929  = ​5.  FAQ =
930 930  
931 931  == 5.1 ​ How to Upgrade Firmware ==
... ... @@ -940,12 +940,15 @@
940 940  )))
941 941  
942 942  (((
943 -Firmware Download：[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]]
836 +
944 944  
945 -(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
838 +(((
839 +(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
946 946  )))
841 +)))
947 947  
948 948  
844 +
949 949  = 6.  Trouble Shooting =
950 950  
951 951  == 6.1  ​Connection problem when uploading firmware ==
... ... @@ -955,10 +955,14 @@
955 955  **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]]
956 956  )))
957 957  
854 +(% class="wikigeneratedid" %)
855 +(((
856 +
857 +)))
958 958  
859 +
959 959  == 6.2  AT Command input doesn't work ==
960 960  
961 -
962 962  (((
963 963  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.
964 964  
... ... @@ -965,12 +965,7 @@
965 965  
966 966  )))
967 967  
968 -== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
969 969  
970 -
971 -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]]//**.
972 -
973 -
974 974  = 7. ​ Order Info =
975 975  
976 976  
... ... @@ -977,6 +977,11 @@
977 977  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
978 978  
979 979  
875 +(% class="wikigeneratedid" %)
876 +(((
877 +
878 +)))
879 +
980 980  = 8.  Packing Info =
981 981  
982 982  (((
... ... @@ -999,13 +999,14 @@
999 999  * Weight / pcs : 180g
1000 1000  )))
1001 1001  
902 +(((
903 +
1002 1002  
1003 1003  
906 +
907 +)))
908 +
1004 1004  = 9.  Support =
1005 1005  
1006 -
1007 1007  * 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.
1008 -
1009 1009  * 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]]
1010 -
1011 -
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