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Serial Frame
Interval
Item
Description
Transparent
Protocol
Keepalive Interval
(s)
Keepalive Retry
Times
Packet Size
Serial Frame
Interval
Reconnect
Interval
Specific Protocol
Heartbeat Interval
ID
Register String
Server Address
Server Port
Status
Modbus
Local Port
Related Configuration Example
DTU Application Example
preset frame size is reached. The size range is 1-1024. The unit is byte.
The interval that the router sends out real serial data stored in the
buffer area to public network. The range is 10-65535, in milliseconds.
Note: data will be sent out to public network when real serial data size
reaches the preset packet size, even though it's within the serial frame
interval.
Table 4-4-2-2 DTU Parameters
Select "TCP" or "UDP" protocol.
After TCP client is connected with TCP server, the client will send
heartbeat packet by TCP regularly to keep alive. The interval range is
1-3600, in seconds.
When TCP heartbeat times out, the router will resend heartbeat.
After it reaches the preset retry times, router will reconnect to TCP
server. The range is 1-16.
Set the size of the serial data frame. Packet will be sent out when
preset frame size is reached. The range is 1-1024. The unit is byte.
The interval that the router sends out real serial data stored in the
buffer area to public network. The range is 10-65535, in milliseconds.
Note: data will be sent out to public network when real serial data
size reaches the preset packet size, even though it's within the serial
frame interval.
After connection failure, router will reconnect to the server at the
preset interval, in seconds. The range is 10-60.
By Specific Protocol, the router will be able to connect to the
TCP2COM software.
By Specific Protocol, the router will send heartbeat packet to the
server regularly to keep alive. The interval range is 1-3600, in seconds.
Define unique ID of each router. No longer than 63 characters without
space character.
Define register string for connection with the server.
Fill in the TCP or UDP server address (IP/domain name).
Fill in the TCP or UDP server port. Range: 1-65535.
Show the connection status between the router and the server.
Set the router listening port. Range: 1-65535.
Table 4-4-2-3 DTU Parameters
UR52 & UR55 User Guide
100
Default
TCP
75
9
1024
100
10
--
30
--
Null
Null
Null
--
502
104
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