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Misoperation prevention and parameter
setting restriction
(3) Parameter operation during password lock/unlock
Parameter operation
Read
Pr. 296
Write
Read
Pr. 297
Write
Performing parameter clear
Performing parameter all clear
Performing parameter copy
*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.
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 for 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
Pr. 160 Extended function display selection
Pr. 550 NET mode operation command source selection
Pr. 551 PU mode operation command source selection
196
Unlocked
Pr. 296 ≠ 9999
Pr. 296 = 9999
Pr. 297 = 9999
Pr. 297 = 9999
*1
*1
*1
×
Refer to page 191
Refer to page 192
Refer to page 206
Refer to page 206
Password registered
Pr. 296 ≠ 9999
Pr. 297 = 0 to 4
(Read value)
×
*1
×
*4
*2
×
Locked
Pr. 296 = 100 to 106, 199
Pr. 297 = 5
(Read value)
×
*3
×
*4
*2
×
: enabled, ×: restricted
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