USR-TCP232-302 User Manual
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to specific gateway or router to resolve domain name.
3.5.6. Defined Registration Package
The content of registration package can be defined, 40 bytes at most.
It includes sending registration package when connecting and carrying registration package when sending
data. It can be used singly or together. It support TCP Client.
It is set by webpage, support decimal input and hexadecimal input, doesn’t support character input.
By default, heartbeat package turns off. User can turn on it as follows:
3.5.7. Defined Heartbeat Package
The content of heartbeat package can be defined, 40 bytes at most. Time set from 0s to 65535s.
When 0s or data transmission, heartbeat package stop working.
It can ensure connection is reliable, put an end to connect feign death; It can send to LAN Port or Serial
Port singly or at same time. If don’t choose direction, heartbeat package stop working.
User can set the parameter in webpage, it can work in TCP Client and TCP Server .It support decimal
input and sixteen input , doesn’t support character input.
By default, heartbeat package turns off. User can turn on it as follows:
