Yaskawa LEGEND-MC - Manual (Page 157)

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LEGEND-MC User’s Manual
LC (Lock Controller)
[Configuration]
DESCRIPTION: LC
The (LC) Lock Controller command is used to prohibit the execution of certain commands from the
serial port by setting a security password. See the table below for a list of commands that are disabled in
the "Locked" mode. When this command is successfully executed, it automatically burns the new
configuration into the EEPROM.
ARGUMENTS: LC p,l
where p is the password as previously established with the "PW" command.
"l" is the Lock setting, 0=Unlock, 1=Lock commands (see table), 2=Lock commands and prohibit setting
any commands from the serial port.
USAGE:
OPERAND USAGE:
_LC will return the lock state of the controller, 0 = not locked, 1 = specific commands locked, 2 = All
commands locked including from serial port and ethernet port except the LC command.
RELATED COMMANDS:
COMMANDS DISABLED WHILE LOCKED = 1:
EXAMPLES:
While Moving Yes Default Value ---
In a Program No Default Format ---
Command Line Yes
Used as an Operand Yes
Can be Interrogated Yes Distributed Control No, Local
"PW" Password
BN (Burn Parameters) TR (Trace Mode)
BP (Burn Program) DL (Download)
BV (Burn Variables) LS (List Program)
UL (Upload) ED (Edit)
LC apple,2 Locks controller, assuming the valid password
is “apple.”
BN Burn command (invalid when locked)
? Receive question mark
TC1 Tell Code returns “Command not valid while
controller is locked.”