Rockwell-automation 1766-Lxxxx MicroLogix 1400 Programmable Controller User Manual download pdf (Page 252)

212 Rockwell Automation Publication 1766-UM001H-EN-P - May 2014

Appendix F MicroLogix 1400 Distributed Network Protocol (DNP3)

Keep Alive Interval (x1 s)

This parameter specifies a time interval for TCP Keep Alive mechanism.

If the timer times out, the MicroLogix 1400 transmits a keep-alive message. The

keep-alive message is a DNP Data Link Layer status request

(FC_REQUEST_LINK_STATUS). If a response is not received to the

keep-alive message, the MicroLogix 1400 deems the TCP connection broken and

closes the TCP connection.

The valid range is 1 to 65535. Default value is 10.

Slave Node Address

This value is a node address of this DNP3 Slave.

The valid range is 0 to 65519. Default value is 1.

Local TCP Port Number

This value is used to configure Local TCP Port Number which is used for TCP

socket listening.

The valid range is 0 to 65535. Default value is 20000.

Local UDP Port Number

This value is used to configure Local UDP Port Number which is used for UDP

socket listening.

The valid range is 0 to 65535. Default value is 20000.

Diagnostic File Number

The diagnostic file number is used to store the diagnostics for the

troubleshooting of DNP3 Ethernet subsystem. The status of DNP3 TCP and

UDP subsystem is stores to this data file.

The value of this parameter is N file only. Valid range is 0, 7, 9 to 255. Default

value is 0.

See Diagnostics on page 296.

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