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5
5-13
GFK-1004B
Chapter 5 The Station Manager
Field Network Test Utility
It is often useful to check the proper operation of the network before all of the station
configuration parameters are finalized. The Field Network Test utility provides access to
a subset of the Station Manager commands that allow the station to operate as a mem-
ber of the network without requiring any software or configuration data to be loaded.
Installation Procedure 5 (in Chapter 2) provides detailed instructions for checking the
operation of a node across the physical network to all other nodes.
The Field Network Test utility can be entered only during a brief interval at the end of
power-up diagnostics. When power-up diagnostics are completed, the character “@” is
displayed on the Station Manager terminal and a three-second opportunity to enter the
Field Network Test utility begins. If the character “F” or “f” is entered at the local Station
Manager terminal during this three-second window, the Field Network Test utility will
be entered. Any character except “F” or “f” is ignored. After three seconds, the window
for entering the Field Network Test utility closes and system initialization proceeds.
Note that these characters are not echoed back.
A typical invocation of the Field Network Test utility is shown below:
@ (“F” or “f” character is entered within 3 seconds)
IC697 PLC Factory LAN Interface
Copyright (c) 1990-1995. All rights reserved.
PROM Version 2.00 Ethernet
MAC address = <<08001901001f>> MAC default = <<08001901001f>>
EM7A2
<<< Field Network Test Utility >>>
$
After the station enters the network, the Station Manager commands shown in the fol-
lowing table can be used to test the network. Some of the commands have restrictions
due to the limited resources available in this utility.