Heartbeat Packet Function; Registration Package Function - Ebyte NB114 User Manual

Hide thumbs Also See for NB114:

Table of Contents

Chengdu Ebyte Electronic Technology Co., Ltd.

the network connection is successful, you can choose to clear the serial port cache or send

the cache through the network through configuration.

Enable: The device does not save the data received by the serial port before the

connection is established.

Disable: After the connection is established, the network will receive the data cached by

the serial port.

4.4.5.Heartbeat packet function

In the client mode, users can choose to send heartbeat packets and customize the

heartbeat packet time. The heartbeat packet can be selected from two modes: network

heartbeat packet and serial heartbeat packet. It supports sending in hexadecimal and ASCII

code. This heartbeat packet is not MQTT heartbeat. It needs to be turned off in MQTT client

mode. MQTT heartbeat only needs to be configured in "MQTT mode". It is recommended

not to configure the heartbeat packet cycle time less than 60s. For example, 120s is

recommended in Alibaba Cloud manual.

Heartbeat packet sending mode:

（1） The default is to turn off heartbeat packet mode.

（2） Serial heartbeat packet ->The device sends heartbeat content to the serial bus

according to the set heartbeat interval.

（3） Network interface heartbeat packet ->The device sends heartbeat content to the

network interface bus according to the set heartbeat time interval.

Custom heartbeat packet content (up to 40 bytes (ASCII) data, 20 bytes (HEX) data).

Customize the heartbeat packet sending interval. If the setting value is greater than zero,

the heartbeat packet function will be turned on. When it is turned on, the range can be set:

(1-65536) seconds, and when it is turned off, it is 0.

In the client mode, users can choose to send the registration package, customize the

time of the registration package, and customize the content of the registration package (up

to 40 bytes (ASCII) data, 20 bytes (HEX) data).

The registration package supports the following modes:

（1） Send MAC address when the network establishes a connection with the device

（2） Send the data of the custom registration package when the network establishes

NB114 User Manual

Table of Contents