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104
Special TCP/IP Settings
the INAT units is started with a FIN flag.
Change connection timeout
With connection timeout the standard timeout of IP system values (30s) can
be changed exclusively for this connection. This is useful for Internet
connections, where Life ACKs have been deactivated.
Change memory in KBytes
The memory for this connection can be changed. The minimum memory
space for a connection is 1460 bytes (Ethernet maximum of user data). For
broadcast receive connection (UDP) this cannot be enough.
Both ports identical (UDP and active)
The source port and the destination port are set to the port edited in the
parameterization. The automation of INAT units to set the source port to a
value > 1024 will then be deactivated. This setting is required for
communications with CPs that do not support data transfer via UDP.
The PLC header values in Big Endian, or Little Endian
If this flag is set active, the sequence number in the PLC header is
transferred in MOTOROLA Format (Big Endian). Normally (flag is not set
active), the sequence number is transferred in INTEL Format (Little Endian).