
B-63530EN/03 4.DESCRIPTION OF PARAMETERS
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3220 Password
[Data type] 2-word
[Valid data range] 0 to 99999999
This parameter sets a password.
When a value other than zero is set for this parameter, it is regarded as
being a password. Once a password has been set, the display of the
setting (password) field is cleared. In addition, program display,
input/output, and editing operations are locked.
The parameter can be set when the parameter is unlocked, that is,
when the parameter is 0, or when the value of this parameter is the
same as the keyword (parameter No.3221).
NOTE
This parameter is used to encrypt keys and
programs.
3221 Keyword
[Data type] 2-word
[Valid data range] 0 to 99999999
When the same value as the password is set in this parameter, the lock
is released (unlock state). The value set in this parameter is not
displayed.
NOTE
This parameter is used to encrypt keys and
programs.
3222 Program protection range (minimum value)
3223 Program protection range (maximum value)
[Data type] 2-word
[Valid data range] 0 to 9999
Those programs whose program numbers are within the range set in
these parameters can be locked. These parameters set the minimum
and maximum values of the program numbers to be locked.
[Example] When the minimum value = 7000 and the maximum value = 8499,
programs O7000 to O8499 are locked.
When the minimum value = 0 and the maximum value = 0, programs
O9000 to O9999 are locked.