Last modified by Mengting Qiu on 2024/04/02 16:44
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From version < 115.22 >
edited by Xiaoling
on 2022/07/09 18:17
To version < 119.2 >
edited by Xiaoling
on 2022/08/22 14:47
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... ... @@ -17,21 +17,35 @@
17 17  
18 18  = 1.  Introduction =
19 19  
20 +
20 20  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
21 21  
22 22  (((
23 23  
24 24  
26 +(((
25 25  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*.
28 +)))
26 26  
30 +(((
27 27  The temperature & humidity sensor used in N95S31B is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing **(%%)for long term use.
32 +)))
28 28  
34 +(((
29 29  N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
36 +)))
30 30  
38 +(((
31 31  N95S31B is powered by(% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period. Please check related Power Analyze report).
40 +)))
32 32  
42 +(((
43 +
44 +)))
33 33  
46 +(((
34 34  ~* make sure you have NB-IoT coverage locally.
48 +)))
35 35  
36 36  
37 37  )))
... ... @@ -42,6 +42,7 @@
42 42  
43 43  == 1.2 ​ Features ==
44 44  
59 +
45 45  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
46 46  * Monitor Temperature & Humidity via SHT31
47 47  * AT Commands to change parameters
... ... @@ -53,6 +53,9 @@
53 53  * Micro SIM card slot for NB-IoT SIM
54 54  * 8500mAh Battery for long term use
55 55  
71 +
72 +
73 +
56 56  == 1.3  Specification ==
57 57  
58 58  
... ... @@ -61,6 +61,8 @@
61 61  * Supply Voltage: 2.1v ~~ 3.6v
62 62  * Operating Temperature: -40 ~~ 85°C
63 63  
82 +
83 +
64 64  (% style="color:#037691" %)**NB-IoT Spec:**
65 65  
66 66  * - B1 @H-FDD: 2100MHz
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70 70  * - B20 @H-FDD: 800MHz
71 71  * - B28 @H-FDD: 700MHz
72 72  
73 -(% style="color:#037691" %)**Battery:**
74 74  
75 75  
95 +(% style="color:#037691" %)**Battery:**
96 +
76 76  * Li/SOCI2 un-chargeable battery
77 77  * Capacity: 8500mAh
78 78  * Self Discharge: <1% / Year @ 25°C
... ... @@ -79,8 +79,12 @@
79 79  * Max continuously current: 130mA
80 80  * Max boost current: 2A, 1 second
81 81  
103 +
104 +
105 +
82 82  == ​1.4  Applications ==
83 83  
108 +
84 84  * Smart Buildings & Home Automation
85 85  * Logistics and Supply Chain Management
86 86  * Smart Metering
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92 92  ​
93 93  
94 94  
95 -== 1.5  Pin Definitions ==
96 96  
121 +== 1.5  Pin Definitions & Switch ==
122 +
123 +
97 97  N95S31B use the mother board from NBSN95 which as below.
98 98  
126 +
99 99  [[image:image-20220709144723-1.png]]
100 100  
101 101  
130 +
102 102  === 1.5.1 Jumper JP2 ===
103 103  
133 +
104 104  Power on Device when put this jumper.
105 105  
106 106  
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107 107  
108 108  === 1.5.2 BOOT MODE / SW1 ===
109 109  
140 +
141 +(((
110 110  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.
143 +)))
111 111  
145 +(((
112 112  2) Flash: work mode, device starts to work and send out console output for further debug
147 +)))
113 113  
114 114  
115 115  
116 116  === 1.5.3 Reset Button ===
117 117  
153 +
118 118  Press to reboot the device.
119 119  
120 120  
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121 121  
122 122  === 1.5.4 LED ===
123 123  
160 +
124 124  It will flash:
125 125  
126 126  1. When boot the device in flash mode
127 127  1. Send an uplink packet
128 128  
166 +
167 +
168 +
129 129  = 2.  Use N95S31B to communicate with IoT Server =
130 130  
171 +
131 131  == 2.1  How it works ==
132 132  
133 133  
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144 144  
145 145  )))
146 146  
147 -[[image:1657350248151-650.png]]
188 +[[image:1657520100595-569.png]]
148 148  
149 149  (((
150 150  
... ... @@ -160,26 +160,49 @@
160 160  [[image:image-20220709150546-2.png]]
161 161  
162 162  
204 +
163 163  === 2.2.1 Test Requirement ===
164 164  
165 165  
208 +(((
166 166  To use N95S31B in your city, make sure meet below requirements:
210 +)))
167 167  
168 -* Your local operator has already distributed a NB-IoT Network there.
169 -* The local NB-IoT network used the band that N95S31B supports.
170 -* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
212 +* (((
213 +Your local operator has already distributed a NB-IoT Network there.
214 +)))
215 +* (((
216 +The local NB-IoT network used the band that N95S31B supports.
217 +)))
218 +* (((
219 +Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
220 +)))
171 171  
222 +(((
172 172  Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.
224 +)))
173 173  
226 +(((
174 174  N95S31B supports different communication protocol such as :
228 +)))
175 175  
176 176  (((
177 -* CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
178 -* raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
179 -* MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
180 -* TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
231 +* (((
232 +CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
233 +)))
234 +* (((
235 +raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
236 +)))
237 +* (((
238 +MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
239 +)))
240 +* (((
241 +TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
242 +)))
181 181  
244 +(((
182 182  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.
246 +)))
183 183  
184 184  
185 185  )))
... ... @@ -190,6 +190,7 @@
190 190  
191 191  === 2.2.3  Insert SIM card ===
192 192  
257 +
193 193  (((
194 194  Insert the NB-IoT Card get from your provider.
195 195  )))
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205 205  
206 206  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
207 207  
273 +
208 208  (((
209 209  (((
210 210  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.
277 +
278 +
211 211  )))
212 212  )))
213 213  
214 214  [[image:1657351312545-300.png]]
215 215  
284 +
216 216  **Connection:**
217 217  
218 218   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
... ... @@ -236,8 +236,9 @@
236 236  
237 237  [[image:1657329814315-101.png]]
238 238  
308 +
239 239  (((
240 -(% 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/]]
310 +(% 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]]**
241 241  )))
242 242  
243 243  
... ... @@ -244,9 +244,10 @@
244 244  
245 245  === 2.2.5  Use CoAP protocol to uplink data ===
246 246  
247 -(% 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/]]
248 248  
318 +(% 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/]]**
249 249  
320 +
250 250  (((
251 251  **Use below commands:**
252 252  )))
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349 349  == 2.3  Uplink Payload ==
350 350  
351 351  
352 -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.
423 +(((
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.
425 +)))
353 353  
354 354  
428 +(((
355 355  For example:
430 +)))
356 356  
357 - (% 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.
432 +(((
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.
434 +)))
358 358  
359 359  
437 +(((
360 360  The uplink payloads are composed in  ASCII String. For example:
439 +)))
361 361  
441 +(((
362 362  0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload:
443 +)))
363 363  
445 +(((
364 364  0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes
447 +)))
365 365  
366 366  
450 +(((
367 367  (% style="color:red" %)**NOTE:**
452 +)))
368 368  
369 369  (% style="color:red" %)
370 -1. All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
371 -1. By default, the device will send an uplink message every 1 hour.
455 +1. (((
456 +All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
457 +)))
458 +1. (((
459 +By default, the device will send an uplink message every 1 hour.
372 372  
373 373  
374 374  
463 +
464 +)))
375 375  
376 376  === 2.3.1  Payload Analyze ===
377 377  
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381 381  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
382 382  |=(% style="width: 60px;" %)(((
383 383  **Size(bytes)**
384 -)))|=(% style="width: 50px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 70px;" %)**1**|=(% style="width: 55px;" %)1|=(% style="width: 120px;" %)5|=(% style="width: 60px;" %)**2**|=(% style="width: 60px;" %)**2**
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**
385 385  |(% 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" %)(((
386 386  (((
387 387  Reserve/ Same as NBSN95 CFGMOD=1
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465 465  
466 466  === 2.3.3  Version Info ===
467 467  
468 -
558 +(((
469 469  These bytes include the hardware and software version.
560 +)))
470 470  
562 +(((
471 471  Higher byte: Specify hardware version: always 0x00 for N95S31B
564 +)))
472 472  
566 +(((
473 473  Lower byte: Specify the software version: 0x6E=110, means firmware version 110
568 +)))
474 474  
570 +(((
571 +
572 +)))
475 475  
574 +(((
476 476  For example: 0x00 6E: this device is N95S31B with firmware version 110.
576 +)))
477 477  
478 478  (((
479 479  
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544 544  
545 545  == 2.4  Downlink Payload ==
546 546  
547 -By default, NDDS75 prints the downlink payload to console port.
647 +By default, N95S31B prints the downlink payload to console port.
548 548  
549 549  [[image:image-20220709100028-1.png]]
550 550  
... ... @@ -582,7 +582,7 @@
582 582  )))
583 583  
584 584  (((
585 -If payload = 0x04FF, it will reset the NDDS75
685 +If payload = 0x04FF, it will reset the N95S31B
586 586  )))
587 587  
588 588  
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762 762  (((
763 763  
764 764  
865 +(((
765 765  (% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
766 766  )))
868 +)))
767 767  
768 768  
769 769  
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