Last modified by Mengting Qiu on 2024/04/02 16:44
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From version < 130.4 >
edited by Xiaoling
on 2023/04/28 13:48
To version < 129.34 >
edited by Xiaoling
on 2022/12/30 11:21
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... ... @@ -19,6 +19,8 @@
19 19  
20 20  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
21 21  
22 +(((
23 +
22 22  
23 23  (((
24 24  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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37 37  )))
38 38  
39 39  (((
42 +
43 +)))
44 +
45 +(((
40 40  ~* make sure you have NB-IoT coverage locally.
41 41  )))
42 42  
49 +
50 +)))
43 43  
44 44  [[image:1657348284168-431.png]]
45 45  
46 46  
55 +
47 47  == 1.2 ​ Features ==
48 48  
49 49  
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59 59  * 8500mAh Battery for long term use
60 60  
61 61  
71 +
62 62  == 1.3  Specification ==
63 63  
64 64  
... ... @@ -69,12 +69,12 @@
69 69  
70 70  (% style="color:#037691" %)**NB-IoT Spec:**
71 71  
72 -* B1 @H-FDD: 2100MHz
73 -* B3 @H-FDD: 1800MHz
74 -* B8 @H-FDD: 900MHz
75 -* B5 @H-FDD: 850MHz
76 -* B20 @H-FDD: 800MHz
77 -* B28 @H-FDD: 700MHz
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
78 78  
79 79  (% style="color:#037691" %)**Battery:**
80 80  
... ... @@ -85,6 +85,7 @@
85 85  * Max boost current: 2A, 1 second
86 86  
87 87  
98 +
88 88  == ​1.4  Applications ==
89 89  
90 90  
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166 166  
167 167  )))
168 168  
180 +
169 169  == 2.2 ​ Configure the N95S31B ==
170 170  
171 171  === 2.2.1  Power On N95S31B ===
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353 353  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.
354 354  )))
355 355  
368 +
356 356  (((
357 357  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.
358 358  )))
... ... @@ -405,7 +405,7 @@
405 405  )))
406 406  
407 407  (((
408 - (% 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.
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.
409 409  )))
410 410  
411 411  
... ... @@ -445,8 +445,8 @@
445 445  N95S31B uplink payload includes in total 21 bytes
446 446  
447 447  
448 -(% border="1" style="background-color:#f2f2f2; width:520px" %)
449 -|=(% style="width: 50px;background-color:#D9E2F3" %)**Size(bytes)**|=(% style="width: 45px;background-color:#D9E2F3" %)**6**|=(% style="width: 25px;background-color:#D9E2F3" %)2|=(% style="width: 25px;background-color:#D9E2F3" %)**2**|=(% style="width: 65px;background-color:#D9E2F3" %)**1**|=(% style="width: 50px;background-color:#D9E2F3" %)1|=(% style="width: 120px;background-color:#D9E2F3" %)5|=(% style="width: 70px;background-color:#D9E2F3" %)**2**|=(% style="width: 70px;background-color:#D9E2F3" %)**2**
461 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
462 +|=(% style="width: 50px;" %)**Size(bytes)**|=(% style="width: 45px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 65px;" %)**1**|=(% style="width: 50px;" %)1|=(% style="width: 120px;" %)5|=(% style="width: 70px;" %)**2**|=(% style="width: 70px;" %)**2**
450 450  |(% style="width:97px" %)**Value**|(% style="width:65px" %)[[Device ID>>||anchor="H2.3.2A0DeviceID"]]|(% style="width:50px" %)[[Ver>>||anchor="H2.3.3A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.3.4A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.3.5A0SignalStrength"]]|(% style="width:59px" %)MOD 0X01|(% style="width:162px" %)(((
451 451  (((
452 452  Reserve/ Same as NBSN95 CFGMOD=1
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508 508  (((
509 509  
510 510  
524 +
511 511  
512 512  )))
513 513  
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564 564  * (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
565 565  
566 566  
581 +
567 567  === 2.3.2  Device ID ===
568 568  
569 569  
... ... @@ -612,11 +612,11 @@
612 612  )))
613 613  
614 614  (((
615 -**Higher byte:** Specify hardware version: always 0x00 for N95S31B
630 +Higher byte: Specify hardware version: always 0x00 for N95S31B
616 616  )))
617 617  
618 618  (((
619 -**Lower byte:** Specify the software version: 0x6E=110, means firmware version 110
634 +Lower byte: Specify the software version: 0x6E=110, means firmware version 110
620 620  )))
621 621  
622 622  (((
... ... @@ -804,14 +804,64 @@
804 804  [[image:image-20220908163102-2.png]]
805 805  
806 806  
807 -== 2.8 Battery & Power Consumption ==
822 +== 2.8  ​Battery Analysis ==
808 808  
824 +=== 2.8.1  ​Battery Type ===
809 809  
810 -N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
811 811  
812 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
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 +)))
813 813  
831 +(((
832 +The battery is designed to last for several years depends on the actually use environment and update interval. 
833 +)))
814 814  
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 +
815 815  = 3. ​ Access NB-IoT Module =
816 816  
817 817  
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937 937  )))
938 938  
939 939  (((
940 -Firmware Download：[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]]
1005 +
941 941  
1007 +(((
942 942  (% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
943 943  )))
1010 +)))
944 944  
945 945  
946 946  = 6.  Trouble Shooting =
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952 952  **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]]
953 953  )))
954 954  
1022 +(% class="wikigeneratedid" %)
1023 +(((
1024 +
1025 +)))
955 955  
956 956  == 6.2  AT Command input doesn't work ==
957 957  
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962 962  
963 963  )))
964 964  
965 -== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
966 -
967 -
968 -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]]//**.
969 -
970 -
971 971  = 7. ​ Order Info =
972 972  
973 973  
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996 996  * Weight / pcs : 180g
997 997  )))
998 998  
1064 +(((
1065 +
999 999  
1067 +
1068 +)))
1000 1000  
1001 1001  = 9.  Support =
1002 1002  
1003 1003  
1004 1004  * 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.
1005 -
1006 1006  * 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]]
1007 1007  
1076 +
1077 +
1078 +
1008 1008  

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