Password Function (Pr. 296, Pr. 297) - Mitsubishi Electric FR-D720-0.1K Instruction Manual

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Misoperation prevention and parameter setting restriction

4.17.5 Password function (Pr. 296, Pr. 297)

Registering a 4-digit password can restrict parameter reading/writing.
Parameter
Number
296
∗1, ∗3
Password lock level
297
Password lock/unlock
∗2, ∗3
∗1
This parameter can be set when Pr. 160 Extended function display selection = "0".
∗2
When Pr. 296 = "9999" (no password lock), set Pr.160 = "0" to enable the setting of this parameter. When Pr. 296 ≠ "9999" (with password lock), Pr. 297 is
always available for setting regardless of Pr. 160 setting.
∗3
These parameters allow their settings to be changed during operation in any operation mode even if "0 (initial value) or 1" is set in Pr. 77 Parameter write
selection.
(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.
Pr. 296 Setting
9999
1, 101
2, 102
3, 103
4, 104
5, 105
6, 106
∗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, parameter unit) is restricted. (Refer to page 175
for PU mode operation command source selection)
∗4
Parameter access in NET operation mode with RS-485 communication is restricted.
164
Name
Initial Value
9999
9999
PU Mode Operation Command ∗3
Read ∗1
Write ∗2
×
×
Setting Range
1 to 6, 101 to 106
9999
1000 to 9998
(0 to 5)
(9999)
NET Mode Operation Command ∗4
Read ∗1
×
×
×
×
×
×
Description
Select restriction level of parameter reading/
writing when a password is registered.
No password lock
Register a 4-digit password
Displays password unlock error count. (Reading
only)
(Valid when Pr. 296 = "101" to "106")
No password lock (Reading only)
Write ∗2
×
×
×
×
: enabled, ×: restricted

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