
A.PARAMETERS APPENDIX B-63944EN/02
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NOTE
1 The state where password ≠ 0 and password ≠
keyword is referred to as the locked state. When an
attempt is made to modify the password by MDI
input operation in this state, the warning message
"WRITE PROTECTED" is displayed to indicate that
the password cannot be modified. When an
attempt is made to modify the password with G10
(programmable parameter input), alarm (PS0231)
is issued.
2 When the value of the password is not 0, the
parameter screen does not display the password.
Care must be taken in setting a password.
3211 Program protection key (KEY)
[Input type] Parameter input
[Data type] 2-word
[Valid data range] 0 to 99999999
When the value set as the password (set in parameter No.3210) is set
in this parameter, the locked state is released and the user can now
modify the password and the value set in bit 4 (NE9) of parameter
No.3202.
NOTE
The value set in this parameter is not displayed.
When the power is turned off, this parameter is set
to 0.
3220 Password (PSW)
[Input type] Locked parameter
[Data type] 2-word
[Valid data range] 0 to 99999999
This parameter sets a password (PSW). When a value other than 0 is
set, a password is set. When a password is set, a blank is displayed in
this parameter, and the state (locked state) where an operation such as
program editing is locked is set. When password (PSW) = 0, namely,
in the normal state, or when password (PSW) = keyword (KEY),
namely, in the unlock state, this parameter can be set.