Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 16:44
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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*. ... ... @@ -37,13 +37,20 @@ 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 ... ... @@ -70,12 +70,12 @@ 70 70 71 71 (% style="color:#037691" %)**NB-IoT Spec:** 72 72 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 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 79 79 80 80 (% style="color:#037691" %)**Battery:** 81 81 ... ... @@ -168,6 +168,7 @@ 168 168 169 169 ))) 170 170 180 + 171 171 == 2.2 Configure the N95S31B == 172 172 173 173 === 2.2.1 Power On N95S31B === ... ... @@ -355,6 +355,7 @@ 355 355 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. 356 356 ))) 357 357 368 + 358 358 ((( 359 359 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. 360 360 ))) ... ... @@ -407,7 +407,7 @@ 407 407 ))) 408 408 409 409 ((( 410 - (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/ 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. 411 411 ))) 412 412 413 413 ... ... @@ -510,6 +510,7 @@ 510 510 ((( 511 511 512 512 524 + 513 513 514 514 ))) 515 515 ... ... @@ -615,11 +615,11 @@ 615 615 ))) 616 616 617 617 ((( 618 - **Higher byte:**Specify hardware version: always 0x00 for N95S31B630 +Higher byte: Specify hardware version: always 0x00 for N95S31B 619 619 ))) 620 620 621 621 ((( 622 - **Lower byte:**Specify the software version: 0x6E=110, means firmware version 110634 +Lower byte: Specify the software version: 0x6E=110, means firmware version 110 623 623 ))) 624 624 625 625 ((( ... ... @@ -807,14 +807,64 @@ 807 807 [[image:image-20220908163102-2.png]] 808 808 809 809 810 -== 2.8 Battery & Power Consumption==822 +== 2.8 Battery Analysis == 811 811 824 +=== 2.8.1 Battery Type === 812 812 813 -N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 814 814 815 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 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 +))) 816 816 831 +((( 832 +The battery is designed to last for several years depends on the actually use environment and update interval. 833 +))) 817 817 835 +((( 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 + 818 818 = 3. Access NB-IoT Module = 819 819 820 820 ... ... @@ -940,10 +940,12 @@ 940 940 ))) 941 941 942 942 ((( 943 - FirmwareDownload:[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]]1005 + 944 944 1007 +((( 945 945 (% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.** 946 946 ))) 1010 +))) 947 947 948 948 949 949 = 6. Trouble Shooting = ... ... @@ -955,6 +955,10 @@ 955 955 **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]] 956 956 ))) 957 957 1022 +(% class="wikigeneratedid" %) 1023 +((( 1024 + 1025 +))) 958 958 959 959 == 6.2 AT Command input doesn't work == 960 960 ... ... @@ -965,12 +965,6 @@ 965 965 966 966 ))) 967 967 968 -== 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 - 974 974 = 7. Order Info = 975 975 976 976 ... ... @@ -999,13 +999,19 @@ 999 999 * Weight / pcs : 180g 1000 1000 ))) 1001 1001 1064 +((( 1065 + 1002 1002 1067 + 1068 +))) 1003 1003 1004 1004 = 9. Support = 1005 1005 1006 1006 1007 1007 * 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 - 1009 1009 * 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 1010 1076 + 1077 + 1078 + 1011 1011