<
From version < 129.33 >
edited by Xiaoling
on 2022/12/30 11:21
To version < 130.2 >
edited by Xiaoling
on 2023/04/24 09:10
>
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19 19  
20 20  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
21 21  
22 -(((
23 -
24 24  
25 25  (((
26 26  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*.
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39 39  )))
40 40  
41 41  (((
42 -
43 -)))
44 -
45 -(((
46 46  ~* make sure you have NB-IoT coverage locally.
47 47  )))
48 48  
49 -
50 -)))
51 51  
52 52  [[image:1657348284168-431.png]]
53 53  
54 54  
55 -
56 56  == 1.2 ​ Features ==
57 57  
58 58  
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79 79  
80 80  (% style="color:#037691" %)**NB-IoT Spec:**
81 81  
82 -* - B1 @H-FDD: 2100MHz
83 -* - B3 @H-FDD: 1800MHz
84 -* - B8 @H-FDD: 900MHz
85 -* - B5 @H-FDD: 850MHz
86 -* - B20 @H-FDD: 800MHz
87 -* - 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
88 88  
89 89  (% style="color:#037691" %)**Battery:**
90 90  
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177 177  
178 178  )))
179 179  
180 -
181 181  == 2.2 ​ Configure the N95S31B ==
182 182  
183 183  === 2.2.1  Power On N95S31B ===
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365 365  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.
366 366  )))
367 367  
368 -
369 369  (((
370 370  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.
371 371  )))
... ... @@ -418,7 +418,7 @@
418 418  )))
419 419  
420 420  (((
421 - (% 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.
422 422  )))
423 423  
424 424  
... ... @@ -521,7 +521,6 @@
521 521  (((
522 522  
523 523  
524 -
525 525  
526 526  )))
527 527  
... ... @@ -627,11 +627,11 @@
627 627  )))
628 628  
629 629  (((
630 -Higher byte: Specify hardware version: always 0x00 for N95S31B
618 +**Higher byte:** Specify hardware version: always 0x00 for N95S31B
631 631  )))
632 632  
633 633  (((
634 -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
635 635  )))
636 636  
637 637  (((
... ... @@ -819,64 +819,14 @@
819 819  [[image:image-20220908163102-2.png]]
820 820  
821 821  
822 -== 2.8  Battery Analysis ==
810 +== 2.8 Battery & Power Consumption ==
823 823  
824 -=== 2.8.1  ​Battery Type ===
825 825  
813 +N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
826 826  
827 -(((
828 -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.
829 -)))
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/]] .
830 830  
831 -(((
832 -The battery is designed to last for several years depends on the actually use environment and update interval. 
833 -)))
834 834  
835 -(((
836 -The battery related documents as below:
837 -)))
838 -
839 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
840 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
841 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
842 -
843 -(((
844 -[[image:image-20220709101450-2.png]]
845 -)))
846 -
847 -
848 -=== 2.8.2  Power consumption Analyze ===
849 -
850 -
851 -(((
852 -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.
853 -)))
854 -
855 -(((
856 -
857 -)))
858 -
859 -=== 2.8.3  ​Battery Note ===
860 -
861 -
862 -(((
863 -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.
864 -)))
865 -
866 -
867 -=== 2.8.4  Replace the battery ===
868 -
869 -
870 -(((
871 -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.
872 -)))
873 -
874 -
875 -(((
876 -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).
877 -)))
878 -
879 -
880 880  = 3. ​ Access NB-IoT Module =
881 881  
882 882  
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1002 1002  )))
1003 1003  
1004 1004  (((
1005 -
943 +firmware:[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]]
1006 1006  
1007 -(((
1008 1008  (% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
1009 1009  )))
1010 -)))
1011 1011  
1012 1012  
1013 1013  = 6.  Trouble Shooting =
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1019 1019  **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]]
1020 1020  )))
1021 1021  
1022 -(% class="wikigeneratedid" %)
1023 -(((
1024 -
1025 -)))
1026 1026  
1027 1027  == 6.2  AT Command input doesn't work ==
1028 1028  
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1033 1033  
1034 1034  )))
1035 1035  
968 +== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
969 +
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 +
1036 1036  = 7. ​ Order Info =
1037 1037  
1038 1038  
... ... @@ -1061,19 +1061,13 @@
1061 1061  * Weight / pcs : 180g
1062 1062  )))
1063 1063  
1064 -(((
1065 -
1066 1066  
1067 -
1068 -)))
1069 1069  
1070 1070  = 9.  Support =
1071 1071  
1072 1072  
1073 1073  * 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 +
1074 1074  * 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]]
1075 1075  
1076 -
1077 -
1078 -
1079 1079  
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