Last modified by Mengting Qiu on 2024/04/02 16:44
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From version < 129.32 >
edited by Xiaoling
on 2022/10/25 18:13
To version < 130.2 >
edited by Xiaoling
on 2023/04/24 09:10
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Summary

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Content
... ... @@ -17,11 +17,8 @@
17 17  
18 18  = 1.  Introduction =
19 19  
20 -
21 21  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
22 22  
23 -(((
24 -
25 25  
26 26  (((
27 27  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*.
... ... @@ -40,20 +40,13 @@
40 40  )))
41 41  
42 42  (((
43 -
44 -)))
45 -
46 -(((
47 47  ~* make sure you have NB-IoT coverage locally.
48 48  )))
49 49  
50 -
51 -)))
52 52  
53 53  [[image:1657348284168-431.png]]
54 54  
55 55  
56 -
57 57  == 1.2 ​ Features ==
58 58  
59 59  
... ... @@ -80,12 +80,12 @@
80 80  
81 81  (% style="color:#037691" %)**NB-IoT Spec:**
82 82  
83 -* - B1 @H-FDD: 2100MHz
84 -* - B3 @H-FDD: 1800MHz
85 -* - B8 @H-FDD: 900MHz
86 -* - B5 @H-FDD: 850MHz
87 -* - B20 @H-FDD: 800MHz
88 -* - B28 @H-FDD: 700MHz
73 +* B1 @H-FDD: 2100MHz
74 +* B3 @H-FDD: 1800MHz
75 +* B8 @H-FDD: 900MHz
76 +* B5 @H-FDD: 850MHz
77 +* B20 @H-FDD: 800MHz
78 +* B28 @H-FDD: 700MHz
89 89  
90 90  (% style="color:#037691" %)**Battery:**
91 91  
... ... @@ -111,7 +111,6 @@
111 111  ​
112 112  
113 113  
114 -
115 115  == 1.5  Pin Definitions & Switch ==
116 116  
117 117  
... ... @@ -121,7 +121,6 @@
121 121  [[image:image-20220709144723-1.png]]
122 122  
123 123  
124 -
125 125  === 1.5.1 Jumper JP2 ===
126 126  
127 127  
... ... @@ -128,7 +128,6 @@
128 128  Power on Device when put this jumper.
129 129  
130 130  
131 -
132 132  === 1.5.2 BOOT MODE / SW1 ===
133 133  
134 134  
... ... @@ -141,7 +141,6 @@
141 141  )))
142 142  
143 143  
144 -
145 145  === 1.5.3 Reset Button ===
146 146  
147 147  
... ... @@ -148,7 +148,6 @@
148 148  Press to reboot the device.
149 149  
150 150  
151 -
152 152  === 1.5.4 LED ===
153 153  
154 154  
... ... @@ -159,10 +159,8 @@
159 159  2.  Send an uplink packet
160 160  
161 161  
162 -
163 163  = 2.  Use N95S31B to communicate with IoT Server =
164 164  
165 -
166 166  == 2.1  How it works ==
167 167  
168 168  
... ... @@ -185,10 +185,8 @@
185 185  
186 186  )))
187 187  
188 -
189 189  == 2.2 ​ Configure the N95S31B ==
190 190  
191 -
192 192  === 2.2.1  Power On N95S31B ===
193 193  
194 194  
... ... @@ -195,10 +195,9 @@
195 195  [[image:image-20220709150546-2.png]]
196 196  
197 197  
179 +=== 2.2.2 Test Requirement ===
198 198  
199 -=== 2.2.1 Test Requirement ===
200 200  
201 -
202 202  (((
203 203  To use N95S31B in your city, make sure meet below requirements:
204 204  )))
... ... @@ -245,7 +245,6 @@
245 245  [[image:1657350625843-586.png]]
246 246  
247 247  
248 -
249 249  === 2.2.3  Insert SIM card ===
250 250  
251 251  
... ... @@ -261,7 +261,6 @@
261 261  [[image:1657351240556-536.png]]
262 262  
263 263  
264 -
265 265  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
266 266  
267 267  
... ... @@ -305,7 +305,6 @@
305 305  )))
306 306  
307 307  
308 -
309 309  === 2.2.5  Use CoAP protocol to uplink data ===
310 310  
311 311  
... ... @@ -342,7 +342,6 @@
342 342  [[image:1657352185396-303.png]]
343 343  
344 344  
345 -
346 346  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
347 347  
348 348  
... ... @@ -356,7 +356,6 @@
356 356  [[image:1657352403317-397.png]]
357 357  
358 358  
359 -
360 360  === 2.2.7  Use MQTT protocol to uplink data ===
361 361  
362 362  
... ... @@ -380,13 +380,11 @@
380 380  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.
381 381  )))
382 382  
383 -
384 384  (((
385 385  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.
386 386  )))
387 387  
388 388  
389 -
390 390  === 2.2.8  Use TCP protocol to uplink data ===
391 391  
392 392  
... ... @@ -401,7 +401,6 @@
401 401  [[image:1657352914475-252.png]]
402 402  
403 403  
404 -
405 405  === 2.2.9  Change Update Interval ===
406 406  
407 407  
... ... @@ -422,7 +422,6 @@
422 422  )))
423 423  
424 424  
425 -
426 426  == 2.3  Uplink Payload ==
427 427  
428 428  
... ... @@ -436,7 +436,7 @@
436 436  )))
437 437  
438 438  (((
439 - (% 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.
410 + (% 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.
440 440  )))
441 441  
442 442  
... ... @@ -465,13 +465,11 @@
465 465  **By default, the device will send an uplink message every 1 hour.**
466 466  
467 467  
468 -
469 469  
470 470  )))
471 471  
472 472  === 2.3.1  Payload Analyze ===
473 473  
474 -
475 475  ==== 2.3.1.1  Before Firmware v1.2 ====
476 476  
477 477  
... ... @@ -541,7 +541,6 @@
541 541  (((
542 542  
543 543  
544 -
545 545  
546 546  )))
547 547  
... ... @@ -597,6 +597,8 @@
597 597  
598 598  * (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
599 599  
568 +
569 +
600 600  === 2.3.2  Device ID ===
601 601  
602 602  
... ... @@ -637,7 +637,6 @@
637 637  AT+DEUI=868411056754138
638 638  
639 639  
640 -
641 641  === 2.3.3  Version Info ===
642 642  
643 643  
... ... @@ -646,11 +646,11 @@
646 646  )))
647 647  
648 648  (((
649 -Higher byte: Specify hardware version: always 0x00 for N95S31B
618 +**Higher byte:** Specify hardware version: always 0x00 for N95S31B
650 650  )))
651 651  
652 652  (((
653 -Lower byte: Specify the software version: 0x6E=110, means firmware version 110
622 +**Lower byte:** Specify the software version: 0x6E=110, means firmware version 110
654 654  )))
655 655  
656 656  (((
... ... @@ -665,7 +665,6 @@
665 665  
666 666  )))
667 667  
668 -
669 669  === 2.3.4  Battery Info ===
670 670  
671 671  
... ... @@ -678,7 +678,6 @@
678 678  )))
679 679  
680 680  
681 -
682 682  === 2.3.5  Signal Strength ===
683 683  
684 684  
... ... @@ -711,7 +711,6 @@
711 711  )))
712 712  
713 713  
714 -
715 715  === 2.3.6  Temperature & Humidity ===
716 716  
717 717  
... ... @@ -730,7 +730,6 @@
730 730  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
731 731  
732 732  
733 -
734 734  == 2.4  Downlink Payload ==
735 735  
736 736  
... ... @@ -783,7 +783,6 @@
783 783  )))
784 784  
785 785  
786 -
787 787  == 2.5  Humidity and Temperature alarm function ==
788 788  
789 789  
... ... @@ -819,7 +819,6 @@
819 819  AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
820 820  
821 821  
822 -
823 823  == 2.6 Set the number of data to be uploaded and the recording time ==
824 824  
825 825  
... ... @@ -833,7 +833,6 @@
833 833  [[image:image-20221009001045-1.png||height="726" width="1009"]]
834 834  
835 835  
836 -
837 837  == 2.7 Read or Clear cached data ==
838 838  
839 839  
... ... @@ -845,70 +845,14 @@
845 845  [[image:image-20220908163102-2.png]]
846 846  
847 847  
810 +== 2.8 Battery & Power Consumption ==
848 848  
849 -== 2.8  ​Battery Analysis ==
850 850  
813 +N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
851 851  
852 -=== 2.8.1  ​Battery Type ===
815 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
853 853  
854 854  
855 -(((
856 -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.
857 -)))
858 -
859 -(((
860 -The battery is designed to last for several years depends on the actually use environment and update interval. 
861 -)))
862 -
863 -(((
864 -The battery related documents as below:
865 -)))
866 -
867 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
868 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
869 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
870 -
871 -(((
872 -[[image:image-20220709101450-2.png]]
873 -)))
874 -
875 -
876 -
877 -=== 2.8.2  Power consumption Analyze ===
878 -
879 -
880 -(((
881 -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.
882 -)))
883 -
884 -(((
885 -
886 -)))
887 -
888 -
889 -=== 2.8.3  ​Battery Note ===
890 -
891 -
892 -(((
893 -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.
894 -)))
895 -
896 -
897 -
898 -=== 2.8.4  Replace the battery ===
899 -
900 -
901 -(((
902 -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.
903 -)))
904 -
905 -
906 -(((
907 -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).
908 -)))
909 -
910 -
911 -
912 912  = 3. ​ Access NB-IoT Module =
913 913  
914 914  
... ... @@ -925,10 +925,8 @@
925 925  [[image:1657333200519-600.png]]
926 926  
927 927  
928 -
929 929  = 4.  Using the AT Commands =
930 930  
931 -
932 932  == 4.1  Access AT Commands ==
933 933  
934 934  
... ... @@ -1022,10 +1022,8 @@
1022 1022  AT+PWORD  : Serial Access Password
1023 1023  
1024 1024  
1025 -
1026 1026  = ​5.  FAQ =
1027 1027  
1028 -
1029 1029  == 5.1 ​ How to Upgrade Firmware ==
1030 1030  
1031 1031  
... ... @@ -1038,18 +1038,14 @@
1038 1038  )))
1039 1039  
1040 1040  (((
1041 -
943 +firmware：[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]]
1042 1042  
1043 -(((
1044 1044  (% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
1045 1045  )))
1046 -)))
1047 1047  
1048 1048  
1049 -
1050 1050  = 6.  Trouble Shooting =
1051 1051  
1052 -
1053 1053  == 6.1  ​Connection problem when uploading firmware ==
1054 1054  
1055 1055  
... ... @@ -1057,12 +1057,7 @@
1057 1057  **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]]
1058 1058  )))
1059 1059  
1060 -(% class="wikigeneratedid" %)
1061 -(((
1062 -
1063 -)))
1064 1064  
1065 -
1066 1066  == 6.2  AT Command input doesn't work ==
1067 1067  
1068 1068  
... ... @@ -1072,7 +1072,12 @@
1072 1072  
1073 1073  )))
1074 1074  
968 +== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
1075 1075  
970 +
971 +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]]//**.
972 +
973 +
1076 1076  = 7. ​ Order Info =
1077 1077  
1078 1078  
... ... @@ -1079,11 +1079,6 @@
1079 1079  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
1080 1080  
1081 1081  
1082 -(% class="wikigeneratedid" %)
1083 -(((
1084 -
1085 -)))
1086 -
1087 1087  = 8.  Packing Info =
1088 1088  
1089 1089  (((
... ... @@ -1106,15 +1106,13 @@
1106 1106  * Weight / pcs : 180g
1107 1107  )))
1108 1108  
1109 -(((
1110 -
1111 1111  
1112 1112  
1113 -
1114 -)))
1115 -
1116 1116  = 9.  Support =
1117 1117  
1118 1118  
1119 1119  * 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.
1008 +
1120 1120  * 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]]
1010 +
1011 +

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