194
Misoperation prevention and parameter
4.17.5 Password function (Pr. 296, Pr. 297)
The above parameters can be set when
Pr. 160
User group read selection
= "0".
When
Pr. 296
≠
"9999" (with password lock), note that
Pr. 297
is always available for setting regardless of
Pr. 160
setting.
*1
"0 or 9999" can be set to
Pr. 297
at any time although the setting is invalid (the displayed value does not change).
*2
This parameter allows its setting to be changed during operation in any operation mode even if "0 (initial value) or 1" is set in
Pr. 77 Parameter write
selection
.
....
Specifications differ according to the date assembled.
to check the SERIAL number.
(1) Parameter reading/writing restriction level (
Pr. 296
)
Level of reading/writing restriction by PU/NET mode operation command can be selected by
Pr. 296
.
*1
If the parameter reading is restricted by the
Pr. 160
setting, those parameters are unavailable for reading even when " " is indicated.
*2
If the parameter writing is restricted by the
Pr. 77
setting, those parameters are unavailable for writing even when " " is indicated.
*3
Parameter access from unit where parameter is written in PU operation mode (initially set to operation panel (FR-DU07), parameter unit) is
restricted. (
for PU mode operation command source selection)
*4
This restricts parameter access from the command source that can write a parameter under Network operation mode (initially RS-485 terminal or
a communication option). (
for NET mode command source.)
*5
Read/write is enabled only in the simple mode parameters registered in the user group when
Pr.160 User group read selection
= "9999".
Pr.296
and
Pr.297
are always read/write enabled whether registered to a user group or not.
*6
If a communication option is installed, option fault (E.OPT) occurs, and inverter trips. (
.)
Registering 4-digit password can restrict parameter reading/writing.
Parameter
Number
Name
Initial Value
Setting Range
Description
296
Password lock level
9999
0 to 6, 99, 100 to
106, 199
Select restriction level of parameter reading/
writing when a password is registered.
9999
No password lock
297
Password lock/unlock
9999
1000 to 9998
Register a 4-digit password
(0 to 5)
Displays password unlock error count.
(Reading only)
(Valid when
Pr. 296
= "100" to "106")
9999
No password lock
Pr. 296
Setting
PU Mode Operation Command
NET Mode Operation Command
RS-485 Terminal
Communication Option
Read
Write
Read
Write
Read
Write
9999
0, 100
×
×
×
×
×
×
1, 101
×
×
×
2, 102
×
3, 103
×
×
4, 104
×
×
×
×
×
5, 105
×
×
6, 106
×
×
×
99, 199
Only parameters registered in the user group can be read/written.
(For the parameters not registered in the user group, same restriction level as "4, 104" applies.)
: enabled,
×
: restricted
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