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875-000072 User Manual
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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). Heartbeat packet allow 40 bytes at most.
User can set SERIAL DEVICE SERVER with Heartbeat Packet function by web server as follow:
Figure 19 Heartbeat Packet
2.4.3.
Editable Web server
SERIAL DEVICE SERVER support user modify the web server based on template according to needs, then use
related tool to upgrade. If user have this demand can contact to our salespersons for web server source and tool.
2.4.4.
Reset function
When 306 work in TCP Client mode, 306 will connect to TCP Server. When user open Reset function, 306 will
restart after trying connecting to TCP Server 30 times but still can’t connect to.
User can enable/disable the Reset function by setup software as follow: