(E) Environment setting parameters
92
Unlocking a password (Pr.296, Pr.297)
• There are two ways of unlocking the password.
• Enter the password in
Pr.297
. If the password matches, it unlocks. If the password does not match, an error occurs and the
password does not unlock. During
Pr.296
= any of "100 to 103, 105 or 106", if password unlock error has occurred five
times, correct password will not unlock the restriction. (Password lock in operation.)
• Perform all parameter clear.
NOTE
• If the password is forgotten, it can be unlocked with all parameter clear, but doing so will also clear the other parameters.
• All parameter clear cannot be performed during the operation.
• For the all parameter clear method, refer to the following.
(For the operation panel, refer to
for the Mitsubishi inverter protocol of RS-485 communication, refer to
.)
Parameter operations during password locking/unlocking
Correct password will not unlock the restriction.
NOTE
• When the password is being locked, parameter copy using the operation panel is not enabled.
Parameters referred to
Pr.77 Parameter write selection
Operation
Password unlocked
Password locked
Password lock in operation
Pr.296 = 9999
Pr.297 = 9999
Pr.296
9999
Pr.297 = 9999
Pr.296
9999
Pr.297 = 0 to 4 (read value)
Pr.296 = 100 to 103, 105, 106
Pr.297 = 5 (read value)
Pr.296
Read
Write
Pr.297
Read
Write
Parameter
clear execution
All parameter
clear execution
Parameter
copy execution
: Enabled,
: Disabled
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