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DTU Mode
GPS
DTU Mode
Item
Description
Select from "None", "Transparent", "Modbus", and "TCP server".
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DTU Protocol
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TCP Server
Listening port
Set the router listening port. Range: 1-65535.
After TCP connection is established, client will send heartbeat packet
Keepalive Interval
regularly by TCP to keep alive. The interval range is 1-3600 in seconds.
When TCP heartbeat times out, router will resend heartbeat. After it
Keepalive Retry
reaches the preset retry times, TCP connection will be reestablished.
Times
The retry times range is 1-16.
Packet Size
Set the size of the serial data frame. Packet will be sent out when
In DTU Mode, the serial port can establish communication with
the remote server/client.
In GPS mode, go to "Industrial > GPS > GPS Serial Forwarding"
to select corresponding Serial Type, then GPS data will be
forwarded to this serial port.
Table 4-4-2-1 Serial Parameters
Figure 4-4-2-2
Transparent: the routed is used as TCP client/UDP and transmits
data transparently.
TCP server: the router is used as TCP server and transmits data
transparently.
Modbus: the router will be used as TCP server with modbus
gateway function, which can achieve conversion between Modbus
RTU and Modbus TCP.
UR52 & UR55 User Guide
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Default
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502
75
9
1024
103
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