UG87-LW User Guide
102
the serial frame interval.
Table 4-5-2-2 DTU Parameters
Item
Description
Default
Transparent
Protocol
Select "TCP" or "UDP" protocol.
TCP
Keepalive
Interval (s)
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.
75
Keepalive
Retry Times
When TCP heartbeat times out, the gateway will resend
heartbeat. After it reaches the preset retry times,
gateway will reconnect to TCP server. The range is 1-16.
9
Packet Size
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.
1024
Serial Frame
Interval
The interval that the gateway 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.
100
Reconnect
Interval
After connection failure, gateway will reconnect to the
server at the preset interval, in seconds. The range is
10-60.
10
Specific
Protocol
By Specific Protocol, the gateway will be able to connect
to the TCP2COM software.
--
Heartbeat
Interval
By Specific Protocol, the gateway will send heartbeat
packet to the server regularly to keep alive. The interval
range is 1-3600, in seconds.
30
ID
Define unique ID of each gateway. No longer than 63
characters without space character.
--
Register
String
Define register string for connection with the server.
Null
Server
Address
Fill in the TCP or UDP server address (IP/domain name).
Null
Server Port
Fill in the TCP or UDP server port. Range: 1-65535.
Null
Status
Show the connection status between the gateway and
the server.
--
Modbus
Local Port
Set the gateway listening port. Range: 1-65535.
502
Table 4-5-2-3 DTU Parameters
Related Configuration Example
DTU Application Example
Summary of Contents for UG87-LW
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