5. CONFIGURATION
Data Memory Size: The data memory size reserved to be used by the static data will always be twice the value set as the
second half of the memory area is used to store the previous variables values of the first half.
Keep Alive: While it is connected to a client, keep alive messages will be sent in intervals according to what has been set.
If the client does not respond to these messages, the connection is closed. That is, a connection between client and server may
take a time equal to the interval set to be closed in case of error.
In the advanced options (Advanced... key) it is possible to set the communication addresses regarding to the DNP3 protocol.
Configuration Description
Default
Value
Options
DNP3 Source Address Origin Address (PLC) 4
0 to 65519
DNP3 Destination Address
of Client 1
Address of the first client 3
0 to 65519
DNP3 Destination Address
of Client 2
Address of the second client 3
0 to 65519
Table 47: SOE Advanced Configurations
Note:
DNP3 Address: The DNP3 addresses from the range 65520 to 65535 cannot be set at the origin or at a destiny as they are
used for messages in broadcast.
ATTENTION
The DNP3 Data Link messages are not used by the Nexto Series CPUs as the standard does
not recommend its use them in TCP/IP communications.
5.1.4. Time Synchronization
For the time synchronization, Nexto Series CPUs use the SNTP (Simple Network Time Protocol) or the synchronism
through IEC 60870-5-104.
To use the time sync protocols, the user must set the following parameters at Synchronism tab, accessed through the CPU,
in the device tree:
Figure 50: SNTP Configuration
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