Last modified by Bei Jinggeng on 2025/01/10 15:51
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From version < 5.1 >
edited by Edwin Chen
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1 -[[image:image-20230511201248-1.png||height="403" width="489"]]
1 +(% style="text-align:center" %)
2 +[[image:S31-B.jpg]]
2 2  
3 3  
4 4  
6 +
5 5  **Table of Contents：**
6 6  
7 7  {{toc/}}
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13 13  
14 14  = 1. Introduction =
15 15  
16 -== 1.1 What is SN50v3-LB LoRaWAN Generic Node ==
18 +== 1.1 What is S31x-LB LoRaWAN Temperature & Humidity Sensor ==
17 17  
18 -(% style="color:blue" %)**SN50V3-LB **(%%)LoRaWAN Sensor Node is a Long Range LoRa Sensor Node. It is designed for outdoor use and powered by (% style="color:blue" %)** 8500mA Li/SOCl2 battery**(%%) for long term use.SN50V3-LB is designed to facilitate developers to quickly deploy industrial level LoRa and IoT solutions. It help users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere.
20 +The Dragino S31x-LB is a (% style="color:blue" %)**LoRaWAN 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 LoRaWAN wireless protocol.
19 19  
22 +The temperature & humidity sensor used in S31x-LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
20 20  
21 -(% style="color:blue" %)**SN50V3-LB wireless part**(%%) is based on SX1262 allows the user to send data and reach extremely long ranges at low data-rates.It provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
24 +The LoRa wireless technology used in S31x-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
22 22  
26 +S31x-LB supports (% style="color:blue" %)**Temperature & Humdity alarm feature**(%%), user can set temperature alarm for instant notice. S31x-LB supports Datalog feature, it can save the data when there is no LoRaWAN network and uplink when network recover.
23 23  
24 -(% style="color:blue" %)**SN50V3-LB **(%%)has a powerful 48Mhz ARM microcontroller with 256KB flash and 64KB RAM. It has multiplex I/O pins to connect to different sensors.
28 +S31x-LB has max 3 probes which measure maximum 3 temperature points.
25 25  
30 +S31x-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
26 26  
27 -(% style="color:blue" %)**SN50V3-LB**(%%) has a built-in BLE module, user can configure the sensor remotely via Mobile Phone. It also support OTA upgrade via private LoRa protocol for easy maintaining.
32 +S31x-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
28 28  
34 +Each S31x-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
29 29  
30 -SN50V3-LB is the 3^^rd^^ generation of LSN50 series generic sensor node from Dragino. It is an (% style="color:blue" %)**open source project**(%%) and has a mature LoRaWAN stack and application software. User can use the pre-load software for their IoT projects or easily customize the software for different requirements.
31 31  
32 -
33 33  == 1.2 ​Features ==
34 34  
35 35  * LoRaWAN 1.0.3 Class A
36 36  * Ultra-low power consumption
37 -* Open-Source hardware/software
41 +* External 3 meters SHT31 probe (For S31-LB)
42 +* Measure range -55°C ~~ 125°C
43 +* Temperature & Humidity alarm
38 38  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
39 39  * Support Bluetooth v5.1 and LoRaWAN remote configure
40 40  * Support wireless OTA update firmware
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42 42  * Downlink to change configure
43 43  * 8500mAh Battery for long term use
44 44  
45 -
46 46  == 1.3 Specification ==
47 47  
53 +
48 48  (% style="color:#037691" %)**Common DC Characteristics:**
49 49  
50 50  * Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
51 51  * Operating Temperature: -40 ~~ 85°C
52 52  
53 -(% style="color:#037691" %)**I/O Interface:**
59 +(% style="color:#037691" %)**Temperature Sensor:**
54 54  
55 -* Battery output (2.6v ~~ 3.6v depends on battery)
56 -* +5v controllable output
57 -* 3 x Interrupt or Digital IN/OUT pins
58 -* 3 x one-wire interfaces
59 -* 1 x UART Interface
60 -* 1 x I2C Interface
61 +* Range: -40 to + 80°C
62 +* Accuracy: ±0.2 @ 0-90 °C
63 +* Resolution: 0.1°C
64 +* Long Term Shift: <0.03 °C/yr
61 61  
66 +(% style="color:#037691" %)**Humidity Sensor: **
67 +
68 +* Range: 0 ~~ 99.9% RH
69 +* Accuracy: ± 2%RH ( 0 ~~ 100%RH)
70 +* Resolution: 0.01% RH
71 +* Long Term Shift: <0.25 %RH/yr
72 +
62 62  (% style="color:#037691" %)**LoRa Spec:**
63 63  
64 64  * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
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79 79  * Sleep Mode: 5uA @ 3.3v
80 80  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
81 81  
82 -
83 83  == 1.4 Sleep mode and working mode ==
84 84  
95 +
85 85  (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
86 86  
87 87  (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
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106 106  )))
107 107  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
108 108  
109 -
110 110  == 1.6 BLE connection ==
111 111  
112 112  
113 -SN50v3-LB supports BLE remote configure.
123 +S31x-LB support BLE remote configure.
114 114  
115 115  
116 116  BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
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122 122  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
123 123  
124 124  
125 -== 1.7  Pin Definitions ==
135 +== 1.7  Hardware Variant ==
126 126  
127 127  
128 128  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
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156 156  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
157 157  
158 158  
159 -== Hole Option ==
160 -
161 -SN50v3-LB has different hole size options for different size sensor cable. The options provided are M12, M16 and M20. The definition is as below:
162 -
163 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220627104757-1.png?rev=1.1||alt="image-20220627104757-1.png"]]
164 -
165 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656298089706-973.png?rev=1.1||alt="1656298089706-973.png"]]
166 -
167 -
168 168  = 2. Configure S31x-LB to connect to LoRaWAN network =
169 169  
170 170  == 2.1 How it works ==
image-20230511201248-1.png
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