Specifications

CP143 H1 / TCP/IP manual Software
Rev. 00/07 5-55
5.11.1.2 TCP/IP-transport parameter initialization
The entry IP Transport-parameter under Init places you in an interactive window that allows
initialization of the TCP/IP-Transport parameters for the local (own) CP (base-CP):
Fig. 5-26: IP Transport-parameters
Parameters for the TCP/IP-initialization
Keep-Alive-Time
This parameter specifies the idle-time limit for the TCP-connection in milliseconds. The
idle-time limit is a timer that monitors inactive connections.
Range: 0 to 999999 ms (default: 30000 ms)
Window-Size
The size of the data window
Range: 1 to 65535 (default: 1024)
Large-Packets-Num
Number of transmit and receive buffers.
Range: 1 to 65535 (default: 5)
Large-Packets-Size
For ethernet this is fixed at 1514.
Small-Packets-Num
Number of acknowledgements
Range: 1 to 65535 (default: 5)