Rejeee SL200 Series Manuale utente
SL200 Water Leak Sensor
Jiangsu Rejeee Intelligent Technology Co., Ltd
Address: No. 20,Xinghuo Road, Jiangbei District, Nanjing, China
Email: [email protected]
Tel: 0086 158 6180 7793
Web: http://www.rejeee.com
SL200 is long range low power water leak sensor based on Semtech SX1262/SX1268, which is standard LoRaWAN
Class A compatible and is widely adopted in environment monitoring.
Sensor Type Product Number
Water Leak Sensor SL200CN, SL200EU,SL200US,SL200AS
Spec for SL200
LoRaWAN Water Leak Sensor
1. General Information
High sensitivity water leak sensor
Type-C for Local Configuration
Internal Battery Up to 10 Years
LoRa SX1262/SX1268, Long Range Low Power
LoRaWAN Class A Compatible
Parameters Feature
CPU STM32L151
Wireless LoRaWAN(SX1262/SX1268)
Encryption AES128
Power Built-in Li-battery (Changeable, and No Recharge)
Battery Capacity 5400mAh
Communication Half duplex
Lifespan Up to 5 Years, Data Uploading for Every 10 mins
Data Speed 300bps-62.5k bps
1.1 Main features
1.2 Details
Parameters Feature
Size 102mm*60mm*25mm
TX Power 22dBm Max
RX Sensitivity -140 dBm
Frequency SX1268: CN470
SX1262: EU868 / US915 / AS923
1.3 Size: 102mm*60mm*25mm
1.4 Installation
Lay the product flat on the table
Hang on the wall
Make sure antenna is installed before turn on the device.
When you get the device, it is off. Just press the button for 3 seconds and you can turn on the device. When you
turn on the device, there are 4 led on the top, all led will twinkle from left to right. If you turn off the device, press
the button for 3 seconds and all led will twinkle from right to left, after turn off the device, no data collecting and
uploading.
When turn on the device, normally the sensor will read data and upload every 10 mins, if you want to send data
immediately, you can just press the button for short time, less than 1 second, and sensor will read and upload
data. While press the button, 4 led will be green at the beginning, and then TX led on the device will be green
2. User Guide
2.1 Turn on/off the device
2.2 Data uploading by press the button
while sending data as below:
as below. POWER is the battery level, normally when you turn on the device, 4 led lights will be green which
means the battery level is 100%. If only 3 led are green which means the battery is 75% left. There is low battery
alert and POWER will be red while low battery level.
TX and RX means sensor is sending or receiving data.
Sensor is green means sensor is reading and uploading data, if sensor is red, that means sensor is not working,
please kindly check if the sensor is will connected.
There is one USB-C port as below, which is for power on and config, connect device to laptop with a USB-C cable,
and you can config the device, make sure to install USB driver and here is the link for driver: Serial Port Driver
When turn on the device, it will send data immediately, also you can press the button for 1 seconds, then the
device will also send data. Normally when you get the device from factory, the reset time for data sending is
every 10 mins, and if you want to change the time, you can connect the device to computer for config, here there
is instruction about the time configuration.SensorTool Manual.
2.3 Led display on the device 4 led on top of the device, and they are POWER/TX/RX
and SENSOR from left to right
2.4 USB-C Port
3. Data Uploading
SL200 water leak sensor is based on standard LoRaWAN Class A, so you can connect to any LoRaWAN network
through OTAA.
On the back of device, you can find information as below, with this information, you can connect to any
LoRaWAN server.
4. Connect to LoRaWAN Network
Here below take TTN as an example about how to connect the device to TTN server:
Sensor LoRaWAN
SL200CN
SL200EU
SL200US
SL200AS
And this (http://doc.rejeee.com/web/#/29?page_id=212) is the data decoder for TTN platform, just copy the
information as below:
Picture as below, FRMPayload is sensor data.
5. Wireless LoraWAN Sensor Data Format
6. Sensor Data Definition
Type Value Value Value
1 Byte 3 bit 5bit 1 Byte
0x00 Version Battery Level Reserve
Type
1 Byte
Value
1 Byte Comment
0x09 switch state
1-byte unsinged integer. The
sepecific meaning depends on
the item.
Gennerally, a single bit represents
one channel of switching value(0
is OFF or 1 is ON)，and 8 switch
value Max
For Example:
FRMPayload(hexadecimal string) is 00 3F 24 09 00
0x00 is device information
0x3F (binary is 0011 1111b) version 1 and level 31
0x24 is reserve, generally is MCU voltage
0x09 is water leak sensor
0x00 is no water, 0x01 is there is water
Note: Factory reset data uploading is every 10 mins, customers can change data uploading frequency as below:
Connect sensor with a USB-C cable to computer for local configuration, through local configuration, you can
change the packet frequency. Refer SensorTool Manual.
Parameters interpretation
LFT: Data uplink period
LCP: Sensor sample period
LoRaWAN water leak sensor*1
Mounting brackets*1
LoRaWAN antenna*1
6.1 Device Information(0x00)
6.1 Water leak sensor(0x09)
7. Local Configuration:
8. Shipping list
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