C.4 net services tab – Campbell Scientific NL200/NL201 Network Link Interface User Manual

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Appendix C. NL200/201 Settings

detected for the timeout period. Set to 0 for no time-out (not recommended).

(range 0..999)

CS I/O PakBus Beacon Interval

This setting, in units of seconds, governs the rate at which the NL200/201 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.

CS I/O 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 NL200/201 will attempt to start a

hello transaction with a neighbor if no other communication has taken place

within the interval.

CS I/O Modbus Timeout

This setting determines how long the MODBUS/TCP to MODBUS/RTU

gateway will wait for an answer from the MODBUS slave device(s) attached to

the CS I/O port. If no answer is received within the timeout period, the

MODBUS/TCP server will reply to the MODBUS/TCP client with error code

0x0B(Target Device Failed to Respond). (milliseconds)

C.4 Net Services Tab

Telnet

Enables/Disables the telnet service.

Telnet Port Number

The default TCP port number for the configuration monitor telnet session is 23.

This entry makes it possible for the user to change the telnet session port

number if desired. Typically, it is not necessary to change this entry from its

default. (range 1..65535)

Telnet Timeout

This setting, in units of seconds, will determine how fast the configuration

monitor telnet session will time out if no activity is detected. Set to 0 for no

time-out (not recommended). (range 0..999)

Ping (ICMP)

The NL200/201 will not respond to “Ping” requests if this setting is disabled.

PakBus Address

This setting specifies the PakBus® address for this device. The value for this

setting must be chosen such that the address of the device will be unique in the

scope of the datalogger network. Duplication of PakBus addresses in two or

more devices can lead to failures and unpredictable behavior in the PakBus

C-8

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