<
From version < 118.3 >
edited by Xiaoling
on 2022/07/12 17:19
To version < 123.1 >
edited by David Huang
on 2022/09/08 16:37
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.David
Content
... ... @@ -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
... ... @@ -66,8 +66,6 @@
66 66  * Micro SIM card slot for NB-IoT SIM
67 67  * 8500mAh Battery for long term use
68 68  
69 -
70 -
71 71  == 1.3  Specification ==
72 72  
73 73  
... ... @@ -93,10 +93,9 @@
93 93  * Max continuously current: 130mA
94 94  * Max boost current: 2A, 1 second
95 95  
96 -
97 -
98 98  == ​1.4  Applications ==
99 99  
98 +
100 100  * Smart Buildings & Home Automation
101 101  * Logistics and Supply Chain Management
102 102  * Smart Metering
... ... @@ -108,15 +108,20 @@
108 108  ​
109 109  
110 110  
110 +
111 111  == 1.5  Pin Definitions & Switch ==
112 112  
113 +
113 113  N95S31B use the mother board from NBSN95 which as below.
114 114  
116 +
115 115  [[image:image-20220709144723-1.png]]
116 116  
117 117  
120 +
118 118  === 1.5.1 Jumper JP2 ===
119 119  
123 +
120 120  Power on Device when put this jumper.
121 121  
122 122  
... ... @@ -123,6 +123,7 @@
123 123  
124 124  === 1.5.2 BOOT MODE / SW1 ===
125 125  
130 +
126 126  (((
127 127  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.
128 128  )))
... ... @@ -135,6 +135,7 @@
135 135  
136 136  === 1.5.3 Reset Button ===
137 137  
143 +
138 138  Press to reboot the device.
139 139  
140 140  
... ... @@ -141,14 +141,15 @@
141 141  
142 142  === 1.5.4 LED ===
143 143  
150 +
144 144  It will flash:
145 145  
146 146  1. When boot the device in flash mode
147 147  1. Send an uplink packet
148 148  
149 -
150 150  = 2.  Use N95S31B to communicate with IoT Server =
151 151  
158 +
152 152  == 2.1  How it works ==
153 153  
154 154  
... ... @@ -181,6 +181,7 @@
181 181  [[image:image-20220709150546-2.png]]
182 182  
183 183  
191 +
184 184  === 2.2.1 Test Requirement ===
185 185  
186 186  
... ... @@ -233,6 +233,7 @@
233 233  
234 234  === 2.2.3  Insert SIM card ===
235 235  
244 +
236 236  (((
237 237  Insert the NB-IoT Card get from your provider.
238 238  )))
... ... @@ -248,14 +248,18 @@
248 248  
249 249  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
250 250  
260 +
251 251  (((
252 252  (((
253 253  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.
264 +
265 +
254 254  )))
255 255  )))
256 256  
257 257  [[image:1657351312545-300.png]]
258 258  
271 +
259 259  **Connection:**
260 260  
261 261   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
... ... @@ -279,8 +279,9 @@
279 279  
280 280  [[image:1657329814315-101.png]]
281 281  
295 +
282 282  (((
283 -(% 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/]]
297 +(% 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]]**
284 284  )))
285 285  
286 286  
... ... @@ -287,9 +287,10 @@
287 287  
288 288  === 2.2.5  Use CoAP protocol to uplink data ===
289 289  
290 -(% 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/]]
291 291  
305 +(% 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/]]**
292 292  
307 +
293 293  (((
294 294  **Use below commands:**
295 295  )))
... ... @@ -337,6 +337,7 @@
337 337  
338 338  === 2.2.7  Use MQTT protocol to uplink data ===
339 339  
355 +
340 340  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
341 341  
342 342  * (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
... ... @@ -352,6 +352,7 @@
352 352  
353 353  [[image:1657352645687-385.png]]
354 354  
371 +
355 355  (((
356 356  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.
357 357  )))
... ... @@ -365,6 +365,7 @@
365 365  
366 366  === 2.2.8  Use TCP protocol to uplink data ===
367 367  
385 +
368 368  This feature is supported since firmware version v110
369 369  
370 370  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
... ... @@ -379,6 +379,7 @@
379 379  
380 380  === 2.2.9  Change Update Interval ===
381 381  
400 +
382 382  User can use below command to change the (% style="color:green" %)**uplink interval**.
383 383  
384 384  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
... ... @@ -387,13 +387,16 @@
387 387  
388 388  )))
389 389  
409 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
390 390  
411 +**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).**
391 391  
413 +
392 392  == 2.3  Uplink Payload ==
393 393  
394 394  
395 395  (((
396 -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.
418 +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.
397 397  )))
398 398  
399 399  
... ... @@ -402,7 +402,7 @@
402 402  )))
403 403  
404 404  (((
405 - (% 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.
427 + (% 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.
406 406  )))
407 407  
408 408  
... ... @@ -425,14 +425,19 @@
425 425  
426 426  (% style="color:red" %)
427 427  1. (((
428 -All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
450 +**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].**
429 429  )))
430 430  1. (((
431 -By default, the device will send an uplink message every 1 hour.
453 +**By default, the device will send an uplink message every 1 hour.**
454 +
455 +
456 +
457 +
432 432  )))
433 433  
434 434  === 2.3.1  Payload Analyze ===
435 435  
462 +
436 436  N95S31B uplink payload includes in total 21 bytes
437 437  
438 438  
... ... @@ -467,6 +467,8 @@
467 467  )))
468 468  
469 469  (((
497 +
498 +
470 470  (((
471 471  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
472 472  )))
... ... @@ -493,12 +493,41 @@
493 493  )))
494 494  
495 495  (((
496 -
525 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
497 497  )))
498 498  
528 +In this mode, uplink payload includes 91 bytes in total by default.
499 499  
530 +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.
531 +
532 +|**Size(bytes)**|**8**|2|2|1|1|2|1|2|2|2|4|2|2|4
533 +|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|TemDS18B20|Interrupt|ADC|SHTTEM|SHTHUM|Time stamp |SHTTEM|SHTHUM|Time stamp .....
534 +
535 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
536 +
537 +[[image:image-20220908154949-1.png]]
538 +
539 +The payload is ASCII string, representative same HEX:
540 +
541 +0x(% style="color:red" %)f868411056758782(% style="color:blue" %)000c(% style="color:green" %)0d0f(% style="color:red" %)0c(% style="color:blue" %)01(% style="color:green" %)0000(% style="color:red" %)00**//0030//**(% style="color:blue" %)**//0114//**(% style="color:red" %)**//0231//**(% style="color:green" %)**//63199d3c//**0113023163199d12//**0113023163199c5e**//0112023763199baa//**0112023263199af6**//0111023b631999a7//**0112023b631998f3**//011202426319983f//**01110242631996eb**//(%%) where:
542 +
543 +* (% style="color:red" %) Device ID: f868411056758782 = f868411056758782
544 +* (% style="color:blue" %) Version: 0x000c=120=1.2
545 +* (% style="color:green" %) BAT: 0x0d0f = 3343 mV = 3.343V
546 +* (% style="color:red" %) Singal: 0x0c = 12
547 +* (% style="color:blue" %) Mod: 0x01 = 1
548 +* TemDS18B20: 0x0000= 0 = 0
549 +* (% style="color:green" %)Interrupt: 0x00= 0
550 +* (% style="color:green" %)adc: 0x0030= 48
551 +* SHTTEM: 0x0114= 276 = 27.6
552 +* SHTHUM:0x0231 =561=56.1%
553 +* (% style="color:red" %) Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
554 +* (% style="color:red" %)SHTTEM,SHTHUM,Time stamp : 0113023163199d12
555 +* 8 sets of recorded data: SHTTEM,SHTHUM,Time stamp : //**0113023163199c5e**//,.......
556 +
500 500  === 2.3.2  Device ID ===
501 501  
559 +
502 502  (((
503 503  By default, the Device ID equal to the last 6 bytes of IMEI.
504 504  )))
... ... @@ -517,12 +517,25 @@
517 517  
518 518  (((
519 519  The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
578 +
579 +
520 520  )))
521 521  
582 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
522 522  
523 523  
585 +By default, the Device ID equal to the last 15 bits of IMEI.
586 +
587 +User can use **AT+DEUI** to set Device ID
588 +
589 +**Example:**
590 +
591 +AT+DEUI=868411056754138
592 +
593 +
524 524  === 2.3.3  Version Info ===
525 525  
596 +
526 526  (((
527 527  These bytes include the hardware and software version.
528 528  )))
... ... @@ -550,6 +550,7 @@
550 550  
551 551  === 2.3.4  Battery Info ===
552 552  
624 +
553 553  (((
554 554  Ex1: 0x0B45 = 2885mV
555 555  )))
... ... @@ -562,6 +562,7 @@
562 562  
563 563  === 2.3.5  Signal Strength ===
564 564  
637 +
565 565  (((
566 566  NB-IoT Network signal Strength.
567 567  )))
... ... @@ -594,6 +594,7 @@
594 594  
595 595  === 2.3.6  Temperature & Humidity ===
596 596  
670 +
597 597  The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
598 598  
599 599  [[image:image-20220709161741-3.png]]
... ... @@ -612,8 +612,9 @@
612 612  
613 613  == 2.4  Downlink Payload ==
614 614  
615 -By default, NDDS75 prints the downlink payload to console port.
616 616  
690 +By default, N95S31B prints the downlink payload to console port.
691 +
617 617  [[image:image-20220709100028-1.png]]
618 618  
619 619  
... ... @@ -650,7 +650,7 @@
650 650  )))
651 651  
652 652  (((
653 -If payload = 0x04FF, it will reset the NDDS75
728 +If payload = 0x04FF, it will reset the N95S31B
654 654  )))
655 655  
656 656  
... ... @@ -661,12 +661,59 @@
661 661  )))
662 662  
663 663  
739 +== 2.5 Humidity and Temperature alarm function ==
664 664  
665 -== 2.5  ​Battery Analysis ==
741 + AT Command:
666 666  
667 -=== 2.5.1  ​Battery Type ===
743 +AT+ SHHUM=min,max
668 668  
745 +² When min=0, and max≠0, Alarm higher than max
669 669  
747 +² When min≠0, and max=0, Alarm lower than min
748 +
749 +² When min≠0 and max≠0, Alarm higher than max or lower than min
750 +
751 +Example:
752 +
753 +AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
754 +
755 +
756 +AT+ SHTEMP=min,max
757 +
758 +² When min=0, and max≠0, Alarm higher than max
759 +
760 +² When min≠0, and max=0, Alarm lower than min
761 +
762 +² When min≠0 and max≠0, Alarm higher than max or lower than min
763 +
764 +Example:
765 +
766 +AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
767 +
768 +== 2.6 Set the number of data to be uploaded and the recording time ==
769 +
770 +➢ AT Command:
771 +
772 +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)
773 +
774 +AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
775 +
776 +== 2.7 Read or Clear cached data ==
777 +
778 +➢ AT Command:
779 +
780 +AT+CDP ~/~/ Read cached data
781 +
782 +[[image:image-20220908163102-2.png]]
783 +
784 +AT+CDP=0 ~/~/ Clear cached data
785 +
786 +== 2.8  ​Battery Analysis ==
787 +
788 +
789 +=== 2.8.1  ​Battery Type ===
790 +
791 +
670 670  (((
671 671  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.
672 672  )))
... ... @@ -689,10 +689,11 @@
689 689  
690 690  
691 691  
692 -=== 2.5.2  Power consumption Analyze ===
814 +=== 2.8.2  Power consumption Analyze ===
693 693  
816 +
694 694  (((
695 -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.
818 +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.
696 696  )))
697 697  
698 698  (((
... ... @@ -700,8 +700,9 @@
700 700  )))
701 701  
702 702  
703 -=== 2.5.3  ​Battery Note ===
826 +=== 2.8.3  ​Battery Note ===
704 704  
828 +
705 705  (((
706 706  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.
707 707  )))
... ... @@ -708,7 +708,7 @@
708 708  
709 709  
710 710  
711 -=== 2.5.4  Replace the battery ===
835 +=== 2.8.4  Replace the battery ===
712 712  
713 713  
714 714  (((
... ... @@ -724,6 +724,7 @@
724 724  
725 725  = 3. ​ Access NB-IoT Module =
726 726  
851 +
727 727  (((
728 728  Users can directly access the AT command set of the NB-IoT module.
729 729  )))
... ... @@ -730,6 +730,8 @@
730 730  
731 731  (((
732 732  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/]] 
858 +
859 +
733 733  )))
734 734  
735 735  [[image:1657333200519-600.png]]
... ... @@ -738,11 +738,13 @@
738 738  
739 739  = 4.  Using the AT Commands =
740 740  
868 +
741 741  == 4.1  Access AT Commands ==
742 742  
743 -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/]]
744 744  
872 +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]]
745 745  
874 +
746 746  AT+<CMD>?  : Help on <CMD>
747 747  
748 748  AT+<CMD>         : Run <CMD>
... ... @@ -782,7 +782,24 @@
782 782  
783 783  AT+SERVADDR  : Server Address
784 784  
914 +AT+TR      : Get or Set record time
785 785  
916 +AT+APN     : Get or set the APN
917 +
918 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
919 +
920 +AT+DNSCFG  : Get or Set DNS Server
921 +
922 +AT+GETSENSORVALUE   : Returns the current sensor measurement
923 +
924 +AT+NOUD      : Get or Set the number of data to be uploaded
925 +
926 +AT+CDP     : Read or Clear cached data
927 +
928 +AT+SHTEMP: Get or Set alarm of temp
929 +
930 +AT+SHHUM: Get or Set alarm of moisture
931 +
786 786  (% style="color:#037691" %)**COAP Management**      
787 787  
788 788  AT+URI            : Resource parameters
... ... @@ -816,6 +816,7 @@
816 816  
817 817  = ​5.  FAQ =
818 818  
965 +
819 819  == 5.1 ​ How to Upgrade Firmware ==
820 820  
821 821  
... ... @@ -831,7 +831,7 @@
831 831  
832 832  
833 833  (((
834 -(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
981 +(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
835 835  )))
836 836  )))
837 837  
... ... @@ -839,6 +839,7 @@
839 839  
840 840  = 6.  Trouble Shooting =
841 841  
989 +
842 842  == 6.1  ​Connection problem when uploading firmware ==
843 843  
844 844  
... ... @@ -854,6 +854,7 @@
854 854  
855 855  == 6.2  AT Command input doesn't work ==
856 856  
1005 +
857 857  (((
858 858  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.
859 859  
... ... @@ -903,5 +903,8 @@
903 903  
904 904  = 9.  Support =
905 905  
1055 +
906 906  * 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.
907 907  * 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]]
1058 +
1059 +
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