Summary of Contents for Elecom LSN50v2-S31
- Page 1 LSN50v2-S31-S31B LoRaWAN Temperature & Humidity Sensor User Manual last modified by Xiaoling on 2023/04/28 10:19...
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Page 2: Table Of Contents
User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual Table of Contents 1. Introduction ..................................4 1.1 What is LSN50V2-S31 LoRaWAN Temperature & Humidity Sensor ..............4 1.2 Specifications ................................5 1.3 Features ..................................6 1.4 Applications ................................... 6 1.5 ... - Page 3 User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual Table of Contents: • 1. Introduction • 1.1 What is LSN50V2-S31 LoRaWAN Temperature & Humidity Sensor • 1.2 Specifications • 1.3 Features • 1.4 Applications •...
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Page 4: Introduction
IoT server via LoRaWAN wireless protocol. The temperature & humidity sensor used in LSN50v2-S31 is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The waterproof anti-condensation casing for long term use. -
Page 5: Specifications
Please check related Power Analyze report). Each LSN50v2-S31 is pre-load with a set of unique keys for LoRaWAN registration, register these keys to local LoRaWAN server and it will auto connect after power on. -
Page 6: Features
User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual Power Consumption • Sleeping Mode: 20uA • LoRaWAN Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm 1.3 Features • LoRaWAN v1.0.3 Class A • Ultra-low power consumption •... -
Page 7: Pin Definition
User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual 1.5.1 Pin Definition The device is pre-configured to connect to SHT31 sensor. The other pins are not used. If user want to know more about other pins, please refer the user manual of LSn50v2 at: https://www.dropbox.com/sh/djkxs7mr17y94mi/... -
Page 8: Probe Dimension
2.1 How it works The LSN50v2-S31 is working as LoRaWAN OTAA Class A end node. Each LSN50v2-S31 is shipped with a worldwide unique set of OTAA and ABP keys. User needs to input the OTAA or ABP keys in the LoRaWAN network... -
Page 9: Quick Guide To Connect To Lorawan Server (Otaa)
LoRaWAN Server. Below is the network structure, in this demo we use DLOS8 as LoRaWAN gateway. The DLOS8 is already set to connect to TTN . What the rest we need to is register the LSN50V2-S31 to TTN: Step 1: Create a device in TTN with the OTAA keys from LSN50V2-S31. - Page 10 User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual Add APP EUI and DEV EUI： Page 10 / 26 - last modified by Xiaoling on 2023/04/28 10:19...
- Page 11 User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual Add APP EUI in the application： Page 11 / 26 - last modified by Xiaoling on 2023/04/28 10:19...
- Page 12 User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual Add APP KEY Page 12 / 26 - last modified by Xiaoling on 2023/04/28 10:19...
- Page 13 User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual Step 2: Power on LSN50v2-S31 Page 13 / 26 - last modified by Xiaoling on 2023/04/28 10:19...
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Page 14: Uplink Payload
LSN50V2-S31 will start to uplink temperature value to server. 2.3 Uplink Payload 2.3.1 Payload Analyze Normal Upload Payload: LSN50v2-S31 use the same payload as LSn50v2 mod1, as below. （Since firmware version 1.8.0, the third to sixth bytes are timestamps） Size(bytes) Value... -
Page 15: Payload Decoder File
User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual Ex2: 0x0B49 = 2889mV Temperature: Example: If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree If payload is: FF3FH : (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. - Page 16 User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual Downlink: 0x 31 64 22 5B 00 64 22 5D 58 05 Uplink: 00 00 00 00 E1 02 95 64 22 5B 37 00 00 00 00 E1 02 97 64 22 5B 74 00 00 00 00 E0 02 98 64 22 5B B0 00 00...
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Page 17: Datalog Feature
User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual 2.4 Datalog Feature 2.4.1 Unix TimeStamp S31 uses Unix TimeStamp format based on Users can get this time from the link: https://www.epochconverter.com/ : Below is the converter example... -
Page 18: Set Device Time
User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual 2.4.2 Set Device Time Through LoRaWAN MAC Command Once S31 Joined the LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to S31. -
Page 19: Set System Time
User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual AT Command: AT+CLRDTA Command Example Function Response AT+CLRDTA Clear date record Clear all stored sensor data… 2.4.5 Set system time Feature: Set system time, Unix format. See here for format detail. - Page 20 User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual User can use AT+SHTEMP and AT+SHHUM command to set the alarm low limit or high limit. Device will check the temperature & Humidity every minute, if the temperature lower than low limit or greater than high limit. LSN50v2- S31 will send an Alarm packet base on Confirmed Uplink...
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Page 21: Configure Lsn50V2-S31
User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual 2.6 Configure LSN50v2-S31 LSN50V2-S31 supports configuration via LoRaWAN downlink command or AT Commands. • Downlink command instructions for different platform: Use Note for Server(IoT LoRaWAN Server) •... - Page 22 User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual AT Command: • AT+SHTEMP=min,max • When min=0, and max≠0, Alarm higher than max • When min≠0, and max=0, Alarm lower than min • When min≠0 and max≠0, Alarm higher than max or lower than min Example: AT+SHTEMP=0,30 ...
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Page 23: Led Status
Firmware version and change log please 3. Battery & Power Consumption LSN50v2-S31 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. Battery Info & Power Consumption Analyze 4. Use AT Command 4.1 ... - Page 24 User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual User can use a USB to TTL adapter to connect to LSN50V2-S31 to use AT command to configure the device. Example is as below: ...
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Page 25: Faq
S31B LoRaWAN Temperature & Humidity Sensor User Manual 5. FAQ 5.1 What is the frequency range of LSN50v2-S31? Different LSN50V2-S31 version supports different frequency range, below is the table for the working frequency and recommend bands for each model: 5.2 What is the Frequency Plan? Please refer Dragino End Node Frequency Plan: ... -
Page 26: Trouble Shooting
User Manual for LoRaWAN End Nodes - LSN50v2-S31- S31B LoRaWAN Temperature & Humidity Sensor User Manual 6. Trouble Shooting 6.1 AT Command input doesn't work In the case if user can see the console output but can't type input to the device. Please check if you already...
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