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5
5-7
GFK-1004B
Chapter 5 The Station Manager
Using the Monitor Commands to Troubleshoot the Network
There are three Monitor commands that are especially useful to troubleshoot the net-
work:
The NODE command
The EXS command
The LOG command
The TALLY command
NODE Command: The NODE command displays the TCP/IP Ethernet sign-on mes-
sage, identifying the node by its MAC and IP addresses and identifying the resident
firmware and software.
EXS Command: The EXS command displays the Extended Status Buffer. This buffer
maintains information about COMMREQs issued to this Ethernet Interface from the
PLC ladder program of the local station.
LOG Command: The LOG command displays a log of exception conditions occurring at
the local station. The events are counted, time stamped, and differentiated by an error
code.
TALLY Command: The TALLY command displays counts of transactions of the specific
tasks.
Using the Modify Commands
To use any of the Modify commands you must obtain the modify ”=” prompt using the
LOGIN command. To do this you must know the current password. The default pass-
word is “system” (lower case characters).
To log in, type from the “>” prompt:
LOGIN <RET>
The password prompt will then be displayed.
Password:
Type in the current password and press Enter. If the entered password matches the current
password for the station, the modify “= ” prompt is displayed. The password is case sensitive.
One may execute all Monitor and Modify commands from the Modify “=” prompt. If
no commands are executed within 10 minutes, the Modify login will time-out and you
will have to login again. This 10 minute timeout between commands can be changed if
desired by using the CHLTIME command.
Note
The security feature is intended to prevent inadvertent misuse of the
Modify commands. It is not a foolproof mechanism to prevent
unauthorized changes. For the greatest protection, restrict the number
of people who know the password, restrict access to the Station
Manager terminal, and always log off when you leave the Station
Manager.