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Misoperation prevention and parameter
setting restriction
(3) Parameter operation during password lock/unlock
*1 Reading/writing is unavailable when there is restriction to reading by the Pr. 160 setting. (Reading is available in NET mode regardless of Pr. 160
setting.)
*2 Unavailable during the operation.
*3 Correct password will not unlock the restriction.
*4 Parameter clear is available only from the communication option.
Parameter operation
Unlocked Password registered Locked
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 106, 199
Pr. 297 = 5
(Read value)
Pr. 296
Read
*1
Write
*1 *1 ××
Pr. 297
Read
*1
Write
× *3
Performing parameter clear
× *4 × *4
Performing parameter all clear
*2 *2
Performing parameter copy
××
: enabled, ×: restricted
REMARKS
⋅ When Pr. 296 = any of "4, 5, 104, 105" (password lock), the setting screen for PU JOG frequency is not displayed in the
parameter unit (FR-PU04/FR-PU07).
⋅ During password lock, parameter copy of the operation panel (FR-DU07)/the parameter unit (FR-PU07) cannot be performed.
⋅ Parameter settings in the inverter can be read/written using GX Developer even when the password function (Pr.296, Pr.297) is
valid. To use the password function and the PLC function at the same time, apply a lock to reading/writing of the ladder program
by registering a keyword.
♦ Parameters referred to ♦
Pr. 77 Parameter write selection Refer to page 189
Pr. 160 Extended function display selection
Refer to page 190
Pr. 550 NET mode operation command source selection
Refer to page 204
Pr. 551 PU mode operation command source selection
Refer to page 204