USR-N580 User Manual
technical support:
Jinan USR IOT Technology Limited
39
www.usriot.com
2. Open multiple Modbus Poll software to connect to N580 as TCP clients, all can get data from the serial
Modbus slave side.
5.5 Heartbeat Packet
Heartbeat packet includes network heartbeat and serial port heartbeat. N580 device can send heartbeat
packet to the serial port or network side.
Serial heartbeat packet can be sent to the serial port as a fixed query command.
Network heartbeat packet is used for maintaining connection. Only valid in TCP Client and UDP Client mode.
Test example:
1. Enable Serial heartbeat packet (UART heartbeat packet)
Содержание USR-N580
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