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5
5-20 TCP/IP Ethernet Communications User’s Manual – January 1996
GFK-1004B
If the Soft Switches have been determined to be invalid, the Soft Switch Entry utility is
entered upon power-up or restart. Once in this utility, you MUST correct the problem
either with the Logicmaster 90 Configurator or with a CHSOSW command before exit-
ing. Otherwise, the Soft Switch Entry utility will automatically be re-entered after a
power-up or restart.
Table 5-8. Soft Switch Default Values for the Ethernet Interface
Soft Switch Default Value
Config Mode MMS-ETHERNET
MAC address <<000000000000>>
Load source ALT
LAN online YES
BP online YES
Network load address <<090060000000>>
MMS enable* Don’t Care
PGMR enable Don’t Care
*Unused by the TCP/IP Ethernet Interface.
A typical output from the CHSOSW command is shown below.
= chsosw ldsrc loc
<<< Soft Switch Data >>>
Config Mode: MMS-Ethernet
MAC address = <<080019011234>> (default used)
Load source = Serial
Network Online = Online after powerup
Backplane Online = Online after powerup
Network load addr = <<090060000000>> (default used)
MMS Enable = Don’t Care
Pgmr Enable = Don”t Care
Source of Soft Switches: Internal Backup
Updating, please wait ...
CHTIME Command
(Not recommended if the PLC CPU is configured properly.)
The CHTIME command has the form:
CHTIME <HH[:MM [:SS]]>
where <HH> is an hour in the range 0-23
<MM> is an optional minute in the range 0-59 which defaults to 0
<SS> is an optional second in the range 0-59
which defaults to 0
This command sets the current system time to the value specified. If an invalid time is
entered, the current time is not changed. Leading zeros do not need to be entered when
entering the new time value. Time changes remain in effect until the Ethernet Interface
is powered-up or restarted. A typical CHTIME command is shown below:
= chtime 8:03
Time = 8:03:00.0