Heartbeat Package Function; Registration Package Function - Ebyte E810-DTU User Manual

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3.4.2 Heartbeat package function

In the network transparent transmission mode, the user can choose to have the E810-TTL send a heartbeat packet. The
heartbeat packet can be sent to the network server or sent to the serial device. It cannot be run at the same time.
The main purpose of sending to the network is to maintain a connection with the server, which only takes effect in the TCP
Client and UDP Client modes.
In an application where the server sends a fixed query command to the device, in order to reduce the communication traffic, the
user may select to send a heartbeat packet (query command) to the serial device to replace the query command sent from the server.
The E810-TTL module supports up to 40 bytes of custom heartbeat packets.

3.4.3 Registration package function

In the network transparent transmission mode, the user can choose to have the module send a registration package to the server.
The registration package is for the server to recognize the data source device or as a password to obtain the server function
authorization. The registration package can be sent when the module establishes a connection with the server, or can be spliced into the
registration package data at the forefront of each data packet as a data packet. The data of the registration package can be a MAC
address or a custom registration data, wherein the custom registration package setting content is up to 40 bytes.
The connection sending registration package is mainly used to connect the servers that need to be registered.
Data carrying registration package: The sending data accesses the registration package at the front end of the data, and is
mainly used for protocol transmission.
The registration mechanism is only applicable to TCP client and UDP client, which is invalid under TCP server and UDP
server.
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E810-DTU(1RS1E) User Manual
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