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E90-DTU(Ethernet) wireless transceiver
7.3 Special function instructions
7.3.1 Short connection instructions
The TCP short connection function is applied to TCP Client mode. After the short connection function is enabled, if no
data is received at the serial port or network port within the set time, the connection will be automatically disconnected. The
short connection function is disabled by default, disconnection time can be set after the function is enabled. The setting
range is 2~255s, users can enter it directly.
7.3.2 Registration packet instructions
The E90-DTU has four registration packet mechanisms, which are sending MAC when connecting, sending
user-defined data when connecting, sending MAC for each packet of data, and sending user-defined data for each packet of
data, user-defined data defaults to hexadecimal data (ascii optional).
The registration packet is closed by default, when you need to use it, you can open the network configuration software
configuration. The user-defined data can be directly input.
Chengdu Ebyte Electronic Technology Co., Ltd.
Figure 29 Short connection setting
E90 series user manual
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