Real-time Data

The article details the Real-time Data function for debugging and deploying devices, offering tools for filtering data by SNR and signal strength, exporting data as JSON, and practical applications like sending data for verification.

Real-time Data

After a node device is correctly registered on the gateway and powered on, the node will send a network access packet and periodic data packets to the gateway. At this point, incoming data can be viewed on the Data page. The Real-time Data function is mainly used for debugging during device deployment.

The data in Real-time Data is not saved. When you exit the page or re-enter it, the data will be cleared.

At the top of the Real-time Data page, several data filtering tools are provided. You can filter and view data based on conditions such as signal-to-noise ratio (SNR), signal strength, device EUI, and data type. This prevents difficulties in viewing and analyzing data due to excessive data volume.

Additionally, a data export function is available on the right side, allowing you to export the data as a JSON file and save it to your computer.

Data Interpretation:

name	Instruction
Serial Number	The sequence of data reception; click the icon to expand and view detailed data information.
Time	The time when data is received is the time set by the gateway.
TYPE	Data Type
Device Name	The name of the node device, which can be customized by the user.
DEUI	The unique EUI number of the device, which is 16 bits in length and usually marked on the device.
Device Address	The node device address number automatically assigned by the gateway.
Rate	The current communication rate; this value can be modified in the Node APP to adjust the communication rate.
SNR	SNR (Signal-to-Noise Ratio): the smaller the value, the better the signal-to-noise ratio of the signal.
RSSI	Signal strength: the smaller the value, the better the signal strength.
Communication Frequency	Current Communication Frequency
Data Parsing	Data received from node devices and parsed by the gateway.

Send Data

The data sending function is used for device debugging. It allows manual data transmission to node devices, which is applied in debugging and function verification. As shown in the figure below:

Function Explanation:

Name	Explanation
DEUI	The unique EUI number of the device, which is 16 bits in length and usually marked on the device.
Data Type	Types of data to send, with two options available: Text: Text format; HEX: Hexadecimal format (must be an even number of digits)
Load	The detailed data to be sent
Port	Port number: 0-255 optional
Confirmation Packet	Choose whether the node needs to send confirmation data to the gateway after receiving the data.
Skip Frame Counter

Sending Example:

The following example will demonstrate sending a piece of data to the DTU control terminal to turn on the DTU's relay.

Step 1: Set the rules for the DTU

Step 2: The Gateway Sends Data

Configure the data to be sent as shown in the figure below, then click the "Send Data" button to send the data to the node DTU. Since the device type was set to CLASS-C device just now, you will hear the relay pull-in sound after pressing the "Send Data" button, and after 3 seconds, you will hear the relay release sound.