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2-22 TCP/IP Ethernet Communications User’s Manual – January 1996
GFK-1004B
GSM Ethernet Interface
MAC Address You must configure a station
with the MAC Address of the
Ethernet Interface you are go-
ing to download.
The MAC Address of the station must match the
MAC Address of the configuration to be down-
loaded from the GSM
Download Mode/
Load Source
Download Mode
The Download Mode must be set
so that it is compatible with the
physical connection to be used.
Set the Download Mode to local
or network as appropriate us-
ing the “Setup GSM” function
in the GSM Main Menu.
Load Source
The Load Source Soft Switch parameter* must be
compatible with the physical connection used to
connect to the GSM. The Load Source options are:
ALT - Accepts either a local or a network down-
load, wherever it finds the Download Server.
Factory Default.
LOC - Accepts only a local download.
NET - Accepts only a network download.
Loader State After putting the Ethernet In-
terface into the Loader State
(right column), see instructions
immediately below, “Initiating
the Download”.
The Ethernet Interface must be in the Loader State
to receive a download.
a. If the Ethernet Interface is new from the fac-
tory, it will automatically enter the Loader State
when powered up. Also, unless overridden
by the PLC CPU configuration (set in Proce-
dure 3), the MAC Address will be the default
address (shown on a label on the board, see
Figure 2-1), and the Load Source will be ALT.
b. For a previously installed Ethernet Interface, if
you are physically close to it, press and hold
the Restart/Load Button on the front of the
Ethernet Interface until the STATUS OK LED
comes ON (about 5 seconds).
If you are not physically close to the Ethernet
Interface and it is not in the Loader State, you
can issue the Station Manager LOAD com-
mand to the Ethernet Interface. See the sec-
tion below entitled “How to Issue the LOAD
Command from the Station Manager.”
* MMS-ETHERNET configuration mode only
Initiating the Download
When the conditions above have been satisfied, initiate the download by selecting the
Download Station function from the GSM Main Menu.
Local Downloading
If the GSM was in the Local Download mode when you initiated the download, you will
be prompted for the STATION_NAME of the station to be downloaded. Type in the
name and press Enter. (The STATION_NAME parameter is the name that you assigned
to the station when it was initially configured.) Then the download will proceed.
When the local download is complete, the GSM changes automatically to Local Station
Manager access. At this time the Ethernet Interface MODULE OK LED should remain
ON, and the STATUS OK LED should stop blinking and remain ON. The ONLINE LED
should be ON if the station is connected to the Ethernet network. A sign-on message
(NODE command output) should appear on the Station Manager screen of the GSM.