Product manual

Appendix C. NL200 Settings
RS-232 Serial Server Port Number
To communicate with a TCP/IP server, the client application must open a
socket to that server. The socket of a specific server is uniquely identified by
an IP address of the host where the server is running and a port number
associated with the server application on that host. This entry is where the port
number of the serial server is set. Typically it is not necessary to change this
entry from its default. (range 1..65535)
RS-232 Baud Rate
This setting specifies the baud rate of the RS-232 port. The connected device
must be set to communicate at the same baud rate.
RS-232 RTS
The NL200 asserts the RTS and DTR lines when doing RS-232 communications.
This setting allows the user to disable the RTS line if needed so that it will not be
asserted. Some hardware will not function if the RTS line is asserted but
typically it is not necessary to change this setting from its default (enabled).
RS-232 Serial Server Timeout
This setting, in units of seconds, will determine how fast the RS-232 Serial
Server will timeout if no activity is detected. Set to 0 for no timeout (not
recommended). (range 0..999)
RS-232 PakBus Beacon Interval
This setting, in units of seconds, governs the rate at which the NL200 will
broadcast PakBus messages on the associated port in order to discover any new
PakBus neighboring nodes. It will also govern the default verification interval
if the value of the Verify Interval setting for the associated port is zero.
RS-232 PakBus Verify Interval
This setting specifies the interval, in units of seconds, that will be reported as
the link verification interval in the PakBus hello transaction messages. It will
indirectly govern the rate at which the NL200 will attempt to start a hello
transaction with a neighbor if no other communication has taken place within
the interval.
Port Neighbors Allowed Settings
Example: (129,129) (1084, 1084)
In the example above, nodes 129 and 1084 are assigned as neighbors to the
NL200.
This setting specifies, for a given port, the explicit list of PakBus node
addresses that the NL200 will accept as neighbors. If the list is empty (the
default value) any node will be accepted as a neighbor. This setting will not
affect the acceptance of a neighbor if that neighbor's address is greater than
3999. The formal syntax for this setting follows:
C-4