Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 115.25 >
edited by Xiaoling
on 2022/07/11 08:33
To version < 130.5 >
edited by Xiaoling
on 2023/04/28 13:51
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Summary

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... ... @@ -19,8 +19,6 @@
19 19  
20 20  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
21 21  
22 -(((
23 -
24 24  
25 25  (((
26 26  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*.
... ... @@ -39,22 +39,16 @@
39 39  )))
40 40  
41 41  (((
42 -
43 -)))
44 -
45 -(((
46 46  ~* make sure you have NB-IoT coverage locally.
47 47  )))
48 48  
49 -
50 -)))
51 51  
52 52  [[image:1657348284168-431.png]]
53 53  
54 54  
55 -
56 56  == 1.2 ​ Features ==
57 57  
49 +
58 58  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
59 59  * Monitor Temperature & Humidity via SHT31
60 60  * AT Commands to change parameters
... ... @@ -66,6 +66,7 @@
66 66  * Micro SIM card slot for NB-IoT SIM
67 67  * 8500mAh Battery for long term use
68 68  
61 +
69 69  == 1.3  Specification ==
70 70  
71 71  
... ... @@ -76,16 +76,15 @@
76 76  
77 77  (% style="color:#037691" %)**NB-IoT Spec:**
78 78  
79 -* - B1 @H-FDD: 2100MHz
80 -* - B3 @H-FDD: 1800MHz
81 -* - B8 @H-FDD: 900MHz
82 -* - B5 @H-FDD: 850MHz
83 -* - B20 @H-FDD: 800MHz
84 -* - B28 @H-FDD: 700MHz
72 +* B1 @H-FDD: 2100MHz
73 +* B3 @H-FDD: 1800MHz
74 +* B8 @H-FDD: 900MHz
75 +* B5 @H-FDD: 850MHz
76 +* B20 @H-FDD: 800MHz
77 +* B28 @H-FDD: 700MHz
85 85  
86 86  (% style="color:#037691" %)**Battery:**
87 87  
88 -
89 89  * Li/SOCI2 un-chargeable battery
90 90  * Capacity: 8500mAh
91 91  * Self Discharge: <1% / Year @ 25°C
... ... @@ -92,8 +92,10 @@
92 92  * Max continuously current: 130mA
93 93  * Max boost current: 2A, 1 second
94 94  
87 +
95 95  == ​1.4  Applications ==
96 96  
90 +
97 97  * Smart Buildings & Home Automation
98 98  * Logistics and Supply Chain Management
99 99  * Smart Metering
... ... @@ -105,40 +105,49 @@
105 105  ​
106 106  
107 107  
108 -== 1.5  Pin Definitions ==
102 +== 1.5  Pin Definitions & Switch ==
109 109  
104 +
110 110  N95S31B use the mother board from NBSN95 which as below.
111 111  
107 +
112 112  [[image:image-20220709144723-1.png]]
113 113  
114 114  
115 115  === 1.5.1 Jumper JP2 ===
116 116  
113 +
117 117  Power on Device when put this jumper.
118 118  
119 119  
120 -
121 121  === 1.5.2 BOOT MODE / SW1 ===
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.
124 124  
125 -2) Flash: work mode, device starts to work and send out console output for further debug
120 +(((
121 +**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.
122 +)))
126 126  
124 +(((
125 +**2) Flash:**  work mode, device starts to work and send out console output for further debug
126 +)))
127 127  
128 128  
129 129  === 1.5.3 Reset Button ===
130 130  
131 +
131 131  Press to reboot the device.
132 132  
133 133  
134 -
135 135  === 1.5.4 LED ===
136 136  
137 +
137 137  It will flash:
138 138  
139 -1. When boot the device in flash mode
140 -1. Send an uplink packet
140 +1.  When boot the device in flash mode
141 141  
142 +2.  Send an uplink packet
143 +
144 +
142 142  = 2.  Use N95S31B to communicate with IoT Server =
143 143  
144 144  == 2.1  How it works ==
... ... @@ -157,16 +157,14 @@
157 157  
158 158  )))
159 159  
160 -[[image:1657350248151-650.png]]
163 +[[image:1657520100595-569.png]]
161 161  
162 162  (((
163 163  
164 164  )))
165 165  
166 -
167 167  == 2.2 ​ Configure the N95S31B ==
168 168  
169 -
170 170  === 2.2.1  Power On N95S31B ===
171 171  
172 172  
... ... @@ -173,26 +173,48 @@
173 173  [[image:image-20220709150546-2.png]]
174 174  
175 175  
176 -=== 2.2.1 Test Requirement ===
177 +=== 2.2.2 Test Requirement ===
177 177  
178 178  
180 +(((
179 179  To use N95S31B in your city, make sure meet below requirements:
182 +)))
180 180  
181 -* Your local operator has already distributed a NB-IoT Network there.
182 -* The local NB-IoT network used the band that N95S31B supports.
183 -* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
184 +* (((
185 +Your local operator has already distributed a NB-IoT Network there.
186 +)))
187 +* (((
188 +The local NB-IoT network used the band that N95S31B supports.
189 +)))
190 +* (((
191 +Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
192 +)))
184 184  
194 +(((
185 185  Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.
196 +)))
186 186  
198 +(((
187 187  N95S31B supports different communication protocol such as :
200 +)))
188 188  
189 189  (((
190 -* CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
191 -* raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
192 -* MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
193 -* TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
203 +* (((
204 +CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
205 +)))
206 +* (((
207 +raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
208 +)))
209 +* (((
210 +MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
211 +)))
212 +* (((
213 +TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
214 +)))
194 194  
216 +(((
195 195  We will show how to use with each protocol. The IP addresses above are our test server. User need to change to point their corresponding server.
218 +)))
196 196  
197 197  
198 198  )))
... ... @@ -200,9 +200,9 @@
200 200  [[image:1657350625843-586.png]]
201 201  
202 202  
203 -
204 204  === 2.2.3  Insert SIM card ===
205 205  
228 +
206 206  (((
207 207  Insert the NB-IoT Card get from your provider.
208 208  )))
... ... @@ -215,26 +215,29 @@
215 215  [[image:1657351240556-536.png]]
216 216  
217 217  
218 -
219 219  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
220 220  
243 +
221 221  (((
222 222  (((
223 223  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.
247 +
248 +
224 224  )))
225 225  )))
226 226  
227 227  [[image:1657351312545-300.png]]
228 228  
229 -**Connection:**
230 230  
231 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
255 +(% style="color:blue" %)**Connection:**
232 232  
233 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
257 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
234 234  
235 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
259 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
236 236  
261 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
237 237  
263 +
238 238  In the PC, use below serial tool settings:
239 239  
240 240  * Baud:  (% style="color:green" %)**9600**
... ... @@ -249,17 +249,18 @@
249 249  
250 250  [[image:1657329814315-101.png]]
251 251  
278 +
252 252  (((
253 -(% 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/]]
280 +(% 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]]**
254 254  )))
255 255  
256 256  
257 -
258 258  === 2.2.5  Use CoAP protocol to uplink data ===
259 259  
260 -(% 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/]]
261 261  
287 +(% 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/]]**
262 262  
289 +
263 263  (((
264 264  **Use below commands:**
265 265  )))
... ... @@ -268,10 +268,10 @@
268 268  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
269 269  )))
270 270  * (((
271 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
298 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
272 272  )))
273 273  * (((
274 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
301 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
275 275  )))
276 276  
277 277  (((
... ... @@ -290,7 +290,6 @@
290 290  [[image:1657352185396-303.png]]
291 291  
292 292  
293 -
294 294  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
295 295  
296 296  
... ... @@ -304,18 +304,18 @@
304 304  [[image:1657352403317-397.png]]
305 305  
306 306  
307 -
308 308  === 2.2.7  Use MQTT protocol to uplink data ===
309 309  
335 +
310 310  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
311 311  
312 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
313 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
314 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
315 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
316 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
317 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
318 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/Set the subscription topic of MQTT
338 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
339 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
340 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
341 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
342 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
343 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/  Set the sending topic of MQTT
344 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/  Set the subscription topic of MQTT
319 319  
320 320  [[image:1657352634421-276.png]]
321 321  
... ... @@ -322,19 +322,19 @@
322 322  
323 323  [[image:1657352645687-385.png]]
324 324  
351 +
325 325  (((
326 326  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.
327 327  )))
328 328  
329 -
330 330  (((
331 331  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.
332 332  )))
333 333  
334 334  
335 -
336 336  === 2.2.8  Use TCP protocol to uplink data ===
337 337  
363 +
338 338  This feature is supported since firmware version v110
339 339  
340 340  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
... ... @@ -346,9 +346,9 @@
346 346  [[image:1657352914475-252.png]]
347 347  
348 348  
349 -
350 350  === 2.2.9  Change Update Interval ===
351 351  
377 +
352 352  User can use below command to change the (% style="color:green" %)**uplink interval**.
353 353  
354 354  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
... ... @@ -357,43 +357,71 @@
357 357  
358 358  )))
359 359  
386 +(((
387 +(% style="color:red" %)**NOTE: Since firmware version is v1.2:**
388 +)))
360 360  
390 +(((
391 +(% 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).**
392 +)))
361 361  
394 +
362 362  == 2.3  Uplink Payload ==
363 363  
364 364  
365 -NBSN95 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 +(((
399 +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.
400 +)))
366 366  
367 367  
403 +(((
368 368  For example:
405 +)))
369 369  
370 - (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the NBSN95 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
407 +(((
408 + (% 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.
409 +)))
371 371  
372 372  
412 +(((
373 373  The uplink payloads are composed in  ASCII String. For example:
414 +)))
374 374  
416 +(((
375 375  0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload:
418 +)))
376 376  
420 +(((
377 377  0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes
422 +)))
378 378  
379 379  
425 +(((
380 380  (% style="color:red" %)**NOTE:**
427 +)))
381 381  
382 382  (% style="color:red" %)
383 -1. All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
384 -1. By default, the device will send an uplink message every 1 hour.
430 +1. (((
431 +**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].**
432 +)))
433 +1. (((
434 +**By default, the device will send an uplink message every 1 hour.**
385 385  
386 386  
437 +
438 +)))
439 +
387 387  === 2.3.1  Payload Analyze ===
388 388  
442 +==== 2.3.1.1  Before Firmware v1.2 ====
443 +
444 +
389 389  N95S31B uplink payload includes in total 21 bytes
390 390  
391 391  
392 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
393 -|=(% style="width: 60px;" %)(((
394 -**Size(bytes)**
395 -)))|=(% 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**
396 -|(% 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" %)(((
448 +(% border="1" style="background-color:#f2f2f2; width:520px" %)
449 +|=(% 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**
450 +|(% 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" %)(((
397 397  (((
398 398  Reserve/ Same as NBSN95 CFGMOD=1
399 399  )))
... ... @@ -401,7 +401,7 @@
401 401  (((
402 402  No function here.
403 403  )))
404 -)))|(% style="width:77px" %)(((
458 +)))|(% style="width:102px" %)(((
405 405  (((
406 406  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
407 407  )))
... ... @@ -409,7 +409,7 @@
409 409  (((
410 410  By SHT31
411 411  )))
412 -)))|(% style="width:80px" %)(((
466 +)))|(% style="width:81px" %)(((
413 413  (((
414 414  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
415 415  )))
... ... @@ -420,6 +420,8 @@
420 420  )))
421 421  
422 422  (((
477 +
478 +
423 423  (((
424 424  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
425 425  )))
... ... @@ -429,29 +429,88 @@
429 429  [[image:1657354294009-643.png]]
430 430  
431 431  
432 -The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
488 +The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
433 433  
434 -* Device ID: 0x724031607457 = 724031607457
435 -* Version: 0x006e=110=1.1.0
490 +**where:**
436 436  
437 -* BAT: 0x0ccd = 3277 mV = 3.277V
438 -* Signal: 0x1b = 27
439 -* Model: 0x01 = 1
440 -* 0x00dc000ccc= reserve, ignore in N95S31B
441 -* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C
442 -* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh
492 +* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
443 443  
494 +* (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0
495 +
496 +* (% style="color:#037691" %)**BAT:**   (%%) 0x0ccd = 3277 mV = 3.277V
497 +
498 +* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27
499 +
500 +* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1
501 +
502 +* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B**
503 +
504 +* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C
505 +
506 +* (% style="color:#037691" %)**Humidity by SHT31:**  (%%) 0x0186 = 390 = 39.0 %rh
507 +
444 444  (((
445 445  
446 -)))
447 447  
448 -(((
449 449  
450 450  )))
451 451  
514 +==== 2.3.1.2 Since Firmware v1.2 ====
452 452  
516 +
517 +In this mode, uplink payload includes 91 bytes in total by default.
518 +
519 +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.
520 +
521 +
522 +(% border="1" style="background-color:#f2f2f2; width:520px" %)
523 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**8**|(% style="width:20px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:20px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:30px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:20px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:55px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:35px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:20px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:30px;background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:35px;background-color:#D9E2F3;color:#0070C0" %)**4**
524 +|=(% 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 .....
525 +
526 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
527 +
528 +
529 +[[image:image-20220908154949-1.png]]
530 +
531 +
532 +The payload is ASCII string, representative same HEX:
533 +
534 +**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__ **
535 +
536 +**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
537 +
538 +**where:**
539 +
540 +* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
541 +
542 +* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
543 +
544 +* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
545 +
546 +* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
547 +
548 +* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
549 +
550 +* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
551 +
552 +* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
553 +
554 +* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
555 +
556 +* (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
557 +
558 +* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
559 +
560 +* (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
561 +
562 +* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
563 +
564 +* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
565 +
566 +
453 453  === 2.3.2  Device ID ===
454 454  
569 +
455 455  (((
456 456  By default, the Device ID equal to the last 6 bytes of IMEI.
457 457  )))
... ... @@ -458,10 +458,12 @@
458 458  
459 459  (((
460 460  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
576 +
577 +
461 461  )))
462 462  
463 463  (((
464 -**Example:**
581 +(% style="color:blue" %)**Example:**
465 465  )))
466 466  
467 467  (((
... ... @@ -469,30 +469,54 @@
469 469  )))
470 470  
471 471  (((
472 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
589 +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.
590 +
591 +
473 473  )))
474 474  
594 +(% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:**
475 475  
476 476  
597 +By default, the Device ID equal to the last 15 bits of IMEI.
598 +
599 +User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
600 +
601 +
602 +(% style="color:blue" %)**Example:**
603 +
604 +AT+DEUI=868411056754138
605 +
606 +
477 477  === 2.3.3  Version Info ===
478 478  
479 479  
610 +(((
480 480  These bytes include the hardware and software version.
612 +)))
481 481  
482 -Higher byte: Specify hardware version: always 0x00 for N95S31B
614 +(((
615 +**Higher byte:** Specify hardware version: always 0x00 for N95S31B
616 +)))
483 483  
484 -Lower byte: Specify the software version: 0x6E=110, means firmware version 110
618 +(((
619 +**Lower byte:** Specify the software version: 0x6E=110, means firmware version 110
620 +)))
485 485  
622 +(((
623 +
624 +)))
486 486  
626 +(((
487 487  For example: 0x00 6E: this device is N95S31B with firmware version 110.
628 +)))
488 488  
489 489  (((
490 490  
491 491  )))
492 492  
493 -
494 494  === 2.3.4  Battery Info ===
495 495  
636 +
496 496  (((
497 497  Ex1: 0x0B45 = 2885mV
498 498  )))
... ... @@ -502,9 +502,9 @@
502 502  )))
503 503  
504 504  
505 -
506 506  === 2.3.5  Signal Strength ===
507 507  
648 +
508 508  (((
509 509  NB-IoT Network signal Strength.
510 510  )))
... ... @@ -534,9 +534,9 @@
534 534  )))
535 535  
536 536  
537 -
538 538  === 2.3.6  Temperature & Humidity ===
539 539  
680 +
540 540  The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
541 541  
542 542  [[image:image-20220709161741-3.png]]
... ... @@ -552,11 +552,11 @@
552 552  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
553 553  
554 554  
555 -
556 556  == 2.4  Downlink Payload ==
557 557  
558 -By default, NDDS75 prints the downlink payload to console port.
559 559  
699 +By default, N95S31B prints the downlink payload to console port.
700 +
560 560  [[image:image-20220709100028-1.png]]
561 561  
562 562  
... ... @@ -593,7 +593,7 @@
593 593  )))
594 594  
595 595  (((
596 -If payload = 0x04FF, it will reset the NDDS75
737 +If payload = 0x04FF, it will reset the N95S31B
597 597  )))
598 598  
599 599  
... ... @@ -604,69 +604,76 @@
604 604  )))
605 605  
606 606  
748 +== 2.5  Humidity and Temperature alarm function ==
607 607  
608 -== 2.5  ​Battery Analysis ==
609 609  
610 -=== 2.5.1  ​Battery Type ===
751 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
611 611  
612 612  
613 -(((
614 -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.
615 -)))
754 +(% style="color:#037691" %)**AT+ SHHUM=min,max**
616 616  
617 -(((
618 -The battery is designed to last for several years depends on the actually use environment and update interval. 
619 -)))
620 620  
621 -(((
622 -The battery related documents as below:
623 -)))
757 +² When min=0, and max≠0, Alarm higher than max
624 624  
625 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
626 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
627 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
759 +² When min≠0, and max=0, Alarm lower than min
628 628  
629 -(((
630 -[[image:image-20220709101450-2.png]]
631 -)))
761 +² When min≠0 and max≠0, Alarm higher than max or lower than min
632 632  
633 633  
764 + (% style="color:blue" %)**Example:**
634 634  
635 -=== 2.5.2  Power consumption Analyze ===
766 +AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
636 636  
637 -(((
638 -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.
639 -)))
640 640  
641 -(((
642 -
643 -)))
769 +(% style="color:#037691" %)**AT+ SHTEMP=min,max**
644 644  
771 +² When min=0, and max≠0, Alarm higher than max
645 645  
646 -=== 2.5.3  ​Battery Note ===
773 +² When min≠0, and max=0, Alarm lower than min
647 647  
648 -(((
649 -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.
650 -)))
775 +² When min≠0 and max≠0, Alarm higher than max or lower than min
651 651  
652 652  
778 +**~ (% style="color:blue" %)Example:(%%)**
653 653  
654 -=== 2.5.4  Replace the battery ===
780 +AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
655 655  
656 656  
657 -(((
658 -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.
659 -)))
783 +== 2.6 Set the number of data to be uploaded and the recording time ==
660 660  
661 661  
662 -(((
663 -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).
664 -)))
786 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
665 665  
788 +* (% 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)
789 +* (% 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.
666 666  
791 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
667 667  
793 +[[image:image-20221009001045-1.png||height="726" width="1009"]]
794 +
795 +
796 +== 2.7 Read or Clear cached data ==
797 +
798 +
799 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
800 +
801 +* (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
802 +* (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
803 +
804 +[[image:image-20220908163102-2.png]]
805 +
806 +
807 +== 2.8 Battery & Power Consumption ==
808 +
809 +
810 +N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
811 +
812 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
813 +
814 +
668 668  = 3. ​ Access NB-IoT Module =
669 669  
817 +
670 670  (((
671 671  Users can directly access the AT command set of the NB-IoT module.
672 672  )))
... ... @@ -673,19 +673,21 @@
673 673  
674 674  (((
675 675  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/]] 
824 +
825 +
676 676  )))
677 677  
678 678  [[image:1657333200519-600.png]]
679 679  
680 680  
681 -
682 682  = 4.  Using the AT Commands =
683 683  
684 684  == 4.1  Access AT Commands ==
685 685  
686 -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/]]
687 687  
836 +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]]
688 688  
838 +
689 689  AT+<CMD>?  : Help on <CMD>
690 690  
691 691  AT+<CMD>         : Run <CMD>
... ... @@ -725,7 +725,24 @@
725 725  
726 726  AT+SERVADDR  : Server Address
727 727  
878 +AT+TR      : Get or Set record time
728 728  
880 +AT+APN     : Get or set the APN
881 +
882 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
883 +
884 +AT+DNSCFG  : Get or Set DNS Server
885 +
886 +AT+GETSENSORVALUE   : Returns the current sensor measurement
887 +
888 +AT+NOUD      : Get or Set the number of data to be uploaded
889 +
890 +AT+CDP     : Read or Clear cached data
891 +
892 +AT+SHTEMP: Get or Set alarm of temp
893 +
894 +AT+SHHUM: Get or Set alarm of moisture
895 +
729 729  (% style="color:#037691" %)**COAP Management**      
730 730  
731 731  AT+URI            : Resource parameters
... ... @@ -756,7 +756,6 @@
756 756  AT+PWORD  : Serial Access Password
757 757  
758 758  
759 -
760 760  = ​5.  FAQ =
761 761  
762 762  == 5.1 ​ How to Upgrade Firmware ==
... ... @@ -771,13 +771,12 @@
771 771  )))
772 772  
773 773  (((
774 -
940 +Firmware Download：[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]]
775 775  
776 -(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
942 +(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
777 777  )))
778 778  
779 779  
780 -
781 781  = 6.  Trouble Shooting =
782 782  
783 783  == 6.1  ​Connection problem when uploading firmware ==
... ... @@ -787,14 +787,10 @@
787 787  **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]]
788 788  )))
789 789  
790 -(% class="wikigeneratedid" %)
791 -(((
792 -
793 -)))
794 794  
795 -
796 796  == 6.2  AT Command input doesn't work ==
797 797  
958 +
798 798  (((
799 799  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.
800 800  
... ... @@ -801,7 +801,12 @@
801 801  
802 802  )))
803 803  
965 +== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
804 804  
967 +
968 +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]]//**.
969 +
970 +
805 805  = 7. ​ Order Info =
806 806  
807 807  
... ... @@ -808,11 +808,6 @@
808 808  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
809 809  
810 810  
811 -(% class="wikigeneratedid" %)
812 -(((
813 -
814 -)))
815 -
816 816  = 8.  Packing Info =
817 817  
818 818  (((
... ... @@ -835,14 +835,13 @@
835 835  * Weight / pcs : 180g
836 836  )))
837 837  
838 -(((
839 -
840 840  
841 841  
842 -
843 -)))
844 -
845 845  = 9.  Support =
846 846  
1003 +
847 847  * 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.
1005 +
848 848  * 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]]
1007 +
1008 +
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