Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 115.31 >
edited by Xiaoling
on 2022/07/11 08:42
To version < 119.3 >
edited by Xiaoling
on 2022/08/22 15:05
>
Change comment: There is no comment for this version

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... ... @@ -17,6 +17,7 @@
17 17  
18 18  = 1.  Introduction =
19 19  
20 +
20 20  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
21 21  
22 22  (((
... ... @@ -55,6 +55,7 @@
55 55  
56 56  == 1.2 ​ Features ==
57 57  
59 +
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
... ... @@ -78,6 +78,7 @@
78 78  * Operating Temperature: -40 ~~ 85°C
79 79  
80 80  
83 +
81 81  (% style="color:#037691" %)**NB-IoT Spec:**
82 82  
83 83  * - B1 @H-FDD: 2100MHz
... ... @@ -88,6 +88,7 @@
88 88  * - B28 @H-FDD: 700MHz
89 89  
90 90  
94 +
91 91  (% style="color:#037691" %)**Battery:**
92 92  
93 93  * Li/SOCI2 un-chargeable battery
... ... @@ -101,6 +101,7 @@
101 101  
102 102  == ​1.4  Applications ==
103 103  
108 +
104 104  * Smart Buildings & Home Automation
105 105  * Logistics and Supply Chain Management
106 106  * Smart Metering
... ... @@ -112,15 +112,20 @@
112 112  ​
113 113  
114 114  
115 -== 1.5  Pin Definitions ==
116 116  
121 +== 1.5  Pin Definitions & Switch ==
122 +
123 +
117 117  N95S31B use the mother board from NBSN95 which as below.
118 118  
126 +
119 119  [[image:image-20220709144723-1.png]]
120 120  
121 121  
130 +
122 122  === 1.5.1 Jumper JP2 ===
123 123  
133 +
124 124  Power on Device when put this jumper.
125 125  
126 126  
... ... @@ -127,6 +127,7 @@
127 127  
128 128  === 1.5.2 BOOT MODE / SW1 ===
129 129  
140 +
130 130  (((
131 131  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.
132 132  )))
... ... @@ -139,6 +139,7 @@
139 139  
140 140  === 1.5.3 Reset Button ===
141 141  
153 +
142 142  Press to reboot the device.
143 143  
144 144  
... ... @@ -145,6 +145,7 @@
145 145  
146 146  === 1.5.4 LED ===
147 147  
160 +
148 148  It will flash:
149 149  
150 150  1. When boot the device in flash mode
... ... @@ -155,6 +155,7 @@
155 155  
156 156  = 2.  Use N95S31B to communicate with IoT Server =
157 157  
171 +
158 158  == 2.1  How it works ==
159 159  
160 160  
... ... @@ -171,7 +171,7 @@
171 171  
172 172  )))
173 173  
174 -[[image:1657350248151-650.png]]
188 +[[image:1657520100595-569.png]]
175 175  
176 176  (((
177 177  
... ... @@ -187,6 +187,7 @@
187 187  [[image:image-20220709150546-2.png]]
188 188  
189 189  
204 +
190 190  === 2.2.1 Test Requirement ===
191 191  
192 192  
... ... @@ -239,6 +239,7 @@
239 239  
240 240  === 2.2.3  Insert SIM card ===
241 241  
257 +
242 242  (((
243 243  Insert the NB-IoT Card get from your provider.
244 244  )))
... ... @@ -254,14 +254,18 @@
254 254  
255 255  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
256 256  
273 +
257 257  (((
258 258  (((
259 259  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 +
260 260  )))
261 261  )))
262 262  
263 263  [[image:1657351312545-300.png]]
264 264  
284 +
265 265  **Connection:**
266 266  
267 267   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
... ... @@ -285,8 +285,9 @@
285 285  
286 286  [[image:1657329814315-101.png]]
287 287  
308 +
288 288  (((
289 -(% 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]]**
290 290  )))
291 291  
292 292  
... ... @@ -293,9 +293,10 @@
293 293  
294 294  === 2.2.5  Use CoAP protocol to uplink data ===
295 295  
296 -(% 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/]]
297 297  
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/]]**
298 298  
320 +
299 299  (((
300 300  **Use below commands:**
301 301  )))
... ... @@ -334,6 +334,8 @@
334 334  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
335 335  * (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
336 336  
359 +
360 +
337 337  [[image:1657352391268-297.png]]
338 338  
339 339  
... ... @@ -343,6 +343,7 @@
343 343  
344 344  === 2.2.7  Use MQTT protocol to uplink data ===
345 345  
370 +
346 346  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
347 347  
348 348  * (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
... ... @@ -353,11 +353,14 @@
353 353  * (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
354 354  * (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/Set the subscription topic of MQTT
355 355  
381 +
382 +
356 356  [[image:1657352634421-276.png]]
357 357  
358 358  
359 359  [[image:1657352645687-385.png]]
360 360  
388 +
361 361  (((
362 362  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.
363 363  )))
... ... @@ -371,11 +371,14 @@
371 371  
372 372  === 2.2.8  Use TCP protocol to uplink data ===
373 373  
402 +
374 374  This feature is supported since firmware version v110
375 375  
376 376  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
377 377  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
378 378  
408 +
409 +
379 379  [[image:1657352898400-901.png]]
380 380  
381 381  
... ... @@ -385,6 +385,7 @@
385 385  
386 386  === 2.2.9  Change Update Interval ===
387 387  
419 +
388 388  User can use below command to change the (% style="color:green" %)**uplink interval**.
389 389  
390 390  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
... ... @@ -398,30 +398,52 @@
398 398  == 2.3  Uplink Payload ==
399 399  
400 400  
401 -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.
433 +(((
434 +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.
435 +)))
402 402  
403 403  
438 +(((
404 404  For example:
440 +)))
405 405  
406 - (% 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.
442 +(((
443 + (% 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.
444 +)))
407 407  
408 408  
447 +(((
409 409  The uplink payloads are composed in  ASCII String. For example:
449 +)))
410 410  
451 +(((
411 411  0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload:
453 +)))
412 412  
455 +(((
413 413  0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes
457 +)))
414 414  
415 415  
460 +(((
416 416  (% style="color:red" %)**NOTE:**
462 +)))
417 417  
418 418  (% style="color:red" %)
419 -1. All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
420 -1. By default, the device will send an uplink message every 1 hour.
465 +1. (((
466 +**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].**
467 +)))
468 +1. (((
469 +**By default, the device will send an uplink message every 1 hour.**
421 421  
422 422  
472 +
473 +
474 +)))
475 +
423 423  === 2.3.1  Payload Analyze ===
424 424  
478 +
425 425  N95S31B uplink payload includes in total 21 bytes
426 426  
427 427  
... ... @@ -456,6 +456,8 @@
456 456  )))
457 457  
458 458  (((
513 +
514 +
459 459  (((
460 460  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
461 461  )))
... ... @@ -488,6 +488,7 @@
488 488  
489 489  === 2.3.2  Device ID ===
490 490  
547 +
491 491  (((
492 492  By default, the Device ID equal to the last 6 bytes of IMEI.
493 493  )))
... ... @@ -513,14 +513,25 @@
513 513  === 2.3.3  Version Info ===
514 514  
515 515  
573 +(((
516 516  These bytes include the hardware and software version.
575 +)))
517 517  
577 +(((
518 518  Higher byte: Specify hardware version: always 0x00 for N95S31B
579 +)))
519 519  
581 +(((
520 520  Lower byte: Specify the software version: 0x6E=110, means firmware version 110
583 +)))
521 521  
585 +(((
586 +
587 +)))
522 522  
589 +(((
523 523  For example: 0x00 6E: this device is N95S31B with firmware version 110.
591 +)))
524 524  
525 525  (((
526 526  
... ... @@ -529,6 +529,7 @@
529 529  
530 530  === 2.3.4  Battery Info ===
531 531  
600 +
532 532  (((
533 533  Ex1: 0x0B45 = 2885mV
534 534  )))
... ... @@ -541,6 +541,7 @@
541 541  
542 542  === 2.3.5  Signal Strength ===
543 543  
613 +
544 544  (((
545 545  NB-IoT Network signal Strength.
546 546  )))
... ... @@ -573,6 +573,7 @@
573 573  
574 574  === 2.3.6  Temperature & Humidity ===
575 575  
646 +
576 576  The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
577 577  
578 578  [[image:image-20220709161741-3.png]]
... ... @@ -591,8 +591,9 @@
591 591  
592 592  == 2.4  Downlink Payload ==
593 593  
594 -By default, NDDS75 prints the downlink payload to console port.
595 595  
666 +By default, N95S31B prints the downlink payload to console port.
667 +
596 596  [[image:image-20220709100028-1.png]]
597 597  
598 598  
... ... @@ -629,7 +629,7 @@
629 629  )))
630 630  
631 631  (((
632 -If payload = 0x04FF, it will reset the NDDS75
704 +If payload = 0x04FF, it will reset the N95S31B
633 633  )))
634 634  
635 635  
... ... @@ -643,6 +643,7 @@
643 643  
644 644  == 2.5  ​Battery Analysis ==
645 645  
718 +
646 646  === 2.5.1  ​Battery Type ===
647 647  
648 648  
... ... @@ -670,8 +670,9 @@
670 670  
671 671  === 2.5.2  Power consumption Analyze ===
672 672  
746 +
673 673  (((
674 -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.
748 +The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i~~-~~-AyZcQkoua?dl=0>>https://www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i--AyZcQkoua?dl=0]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project.
675 675  )))
676 676  
677 677  (((
... ... @@ -681,6 +681,7 @@
681 681  
682 682  === 2.5.3  ​Battery Note ===
683 683  
758 +
684 684  (((
685 685  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.
686 686  )))
... ... @@ -703,6 +703,7 @@
703 703  
704 704  = 3. ​ Access NB-IoT Module =
705 705  
781 +
706 706  (((
707 707  Users can directly access the AT command set of the NB-IoT module.
708 708  )))
... ... @@ -709,6 +709,8 @@
709 709  
710 710  (((
711 711  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/]] 
788 +
789 +
712 712  )))
713 713  
714 714  [[image:1657333200519-600.png]]
... ... @@ -717,11 +717,13 @@
717 717  
718 718  = 4.  Using the AT Commands =
719 719  
798 +
720 720  == 4.1  Access AT Commands ==
721 721  
722 -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/]]
723 723  
802 +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]]
724 724  
804 +
725 725  AT+<CMD>?  : Help on <CMD>
726 726  
727 727  AT+<CMD>         : Run <CMD>
... ... @@ -795,6 +795,7 @@
795 795  
796 796  = ​5.  FAQ =
797 797  
878 +
798 798  == 5.1 ​ How to Upgrade Firmware ==
799 799  
800 800  
... ... @@ -809,13 +809,16 @@
809 809  (((
810 810  
811 811  
812 -(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
893 +(((
894 +(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
813 813  )))
896 +)))
814 814  
815 815  
816 816  
817 817  = 6.  Trouble Shooting =
818 818  
902 +
819 819  == 6.1  ​Connection problem when uploading firmware ==
820 820  
821 821  
... ... @@ -831,6 +831,7 @@
831 831  
832 832  == 6.2  AT Command input doesn't work ==
833 833  
918 +
834 834  (((
835 835  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.
836 836  
... ... @@ -880,5 +880,9 @@
880 880  
881 881  = 9.  Support =
882 882  
968 +
883 883  * 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.
884 884  * 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]]
971 +
972 +
973 +
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