2.4.2. Heartbeat Packet Function
Heartbeat packet: Module will output heartbeat data to serial or network periodic. User can configure the
heartbeat data and time interval. Serial heartbeat data can be used for polling Modbus data. Network heartbeat
data can be used for showing connection status and keep the connection (only take effect in TCP/UDP Client
mode). User can set N510 with Heartbeat Packet function by web server as follow:
Figure 21 Heartbeat Packet
2.4.3. Impersistent Connection
N510 support impersistent connection function in TCP Client mode. When N510 adopt this function, N510 will
connect to server and send data after receiving data from serial port side and will disconnect to server after
sending all the data to server and no data from serial port side over 3s. User can set N510 with impersistent
connection function by web server as follow:
Figure 22 Impersistent Connection
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