Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 115.32 >
edited by Xiaoling
on 2022/07/11 09:06
To version < 121.1 >
edited by David Huang
on 2022/09/08 16:31
>
Change comment: Uploaded new attachment "image-20220908163102-2.png", version {1}

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Author
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1 -XWiki.Xiaoling
1 +XWiki.David
Content
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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  
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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  
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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
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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  
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187 187  [[image:image-20220709150546-2.png]]
188 188  
189 189  
204 +
190 190  === 2.2.1 Test Requirement ===
191 191  
192 192  
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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  )))
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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
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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  
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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  
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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
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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  )))
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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  
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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
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399 399  
400 400  
401 401  (((
402 -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.
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.
403 403  )))
404 404  
405 405  
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408 408  )))
409 409  
410 410  (((
411 - (% 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.
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.
412 412  )))
413 413  
414 414  
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431 431  
432 432  (% style="color:red" %)
433 433  1. (((
434 -All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
466 +**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].**
435 435  )))
436 436  1. (((
437 -By default, the device will send an uplink message every 1 hour.
438 -)))
469 +**By default, the device will send an uplink message every 1 hour.**
439 439  
440 440  
472 +
473 +
474 +)))
475 +
441 441  === 2.3.1  Payload Analyze ===
442 442  
478 +
443 443  N95S31B uplink payload includes in total 21 bytes
444 444  
445 445  
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474 474  )))
475 475  
476 476  (((
513 +
514 +
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  )))
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506 506  
507 507  === 2.3.2  Device ID ===
508 508  
547 +
509 509  (((
510 510  By default, the Device ID equal to the last 6 bytes of IMEI.
511 511  )))
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531 531  === 2.3.3  Version Info ===
532 532  
533 533  
573 +(((
534 534  These bytes include the hardware and software version.
575 +)))
535 535  
577 +(((
536 536  Higher byte: Specify hardware version: always 0x00 for N95S31B
579 +)))
537 537  
581 +(((
538 538  Lower byte: Specify the software version: 0x6E=110, means firmware version 110
583 +)))
539 539  
585 +(((
586 +
587 +)))
540 540  
589 +(((
541 541  For example: 0x00 6E: this device is N95S31B with firmware version 110.
591 +)))
542 542  
543 543  (((
544 544  
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547 547  
548 548  === 2.3.4  Battery Info ===
549 549  
600 +
550 550  (((
551 551  Ex1: 0x0B45 = 2885mV
552 552  )))
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559 559  
560 560  === 2.3.5  Signal Strength ===
561 561  
613 +
562 562  (((
563 563  NB-IoT Network signal Strength.
564 564  )))
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591 591  
592 592  === 2.3.6  Temperature & Humidity ===
593 593  
646 +
594 594  The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
595 595  
596 596  [[image:image-20220709161741-3.png]]
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609 609  
610 610  == 2.4  Downlink Payload ==
611 611  
612 -By default, NDDS75 prints the downlink payload to console port.
613 613  
666 +By default, N95S31B prints the downlink payload to console port.
667 +
614 614  [[image:image-20220709100028-1.png]]
615 615  
616 616  
... ... @@ -647,7 +647,7 @@
647 647  )))
648 648  
649 649  (((
650 -If payload = 0x04FF, it will reset the NDDS75
704 +If payload = 0x04FF, it will reset the N95S31B
651 651  )))
652 652  
653 653  
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661 661  
662 662  == 2.5  ​Battery Analysis ==
663 663  
718 +
664 664  === 2.5.1  ​Battery Type ===
665 665  
666 666  
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688 688  
689 689  === 2.5.2  Power consumption Analyze ===
690 690  
746 +
691 691  (((
692 -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.
693 693  )))
694 694  
695 695  (((
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699 699  
700 700  === 2.5.3  ​Battery Note ===
701 701  
758 +
702 702  (((
703 703  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.
704 704  )))
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721 721  
722 722  = 3. ​ Access NB-IoT Module =
723 723  
781 +
724 724  (((
725 725  Users can directly access the AT command set of the NB-IoT module.
726 726  )))
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727 727  
728 728  (((
729 729  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 +
730 730  )))
731 731  
732 732  [[image:1657333200519-600.png]]
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735 735  
736 736  = 4.  Using the AT Commands =
737 737  
798 +
738 738  == 4.1  Access AT Commands ==
739 739  
740 -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/]]
741 741  
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]]
742 742  
804 +
743 743  AT+<CMD>?  : Help on <CMD>
744 744  
745 745  AT+<CMD>         : Run <CMD>
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813 813  
814 814  = ​5.  FAQ =
815 815  
878 +
816 816  == 5.1 ​ How to Upgrade Firmware ==
817 817  
818 818  
... ... @@ -827,13 +827,16 @@
827 827  (((
828 828  
829 829  
830 -(% 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.**
831 831  )))
896 +)))
832 832  
833 833  
834 834  
835 835  = 6.  Trouble Shooting =
836 836  
902 +
837 837  == 6.1  ​Connection problem when uploading firmware ==
838 838  
839 839  
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849 849  
850 850  == 6.2  AT Command input doesn't work ==
851 851  
918 +
852 852  (((
853 853  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.
854 854  
... ... @@ -898,5 +898,9 @@
898 898  
899 899  = 9.  Support =
900 900  
968 +
901 901  * 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.
902 902  * 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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