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reconnection request. Therefore, the "disconnection reconnection time" will not affect the connection
establishment time under normal circumstances. The user can customize the reconnection request
period, and the default is 5s.
4.2.4 Timeout restart (restart without data)
The device monitors data sending and receiving. If the device does not send and receive data for
a long time, the device will automatically restart to ensure the stability of long-term work.
The default cycle of this function is 30 minutes, and the user can customize the cycle of
restarting with timeout or no data.
4.3 Hardware reset to factory
Keep pressing the Reload pin of the device for 5s until the NET indicator stops flashing, keep
the NET indicator on for 5s, and the device is restored to factory.
4.4 Device working mode
4.4.1 TCP Server
In the TCP Server mode, the device listens to the local port, accepts the connection request from
the client and establishes a connection for data communication. When the Modbus gateway function
is turned off, the device sends the data received by the serial port to all client devices connected to
the device.
The number of clients that can be accessed by the server is dynamically adjusted. First, ensure
that each channel of the 2 channels can establish a complete communication link. In addition, the
device also has 14 dynamic access communication links. For example, if the device turns on the
2-channel server mode, each The server can access 8 client devices, or if the device opens 1 server,
the server can connect to 15 client devices. If the number of client devices exceeds the access
number, the device will refuse to connect.
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NB124ES_User Manual
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