Password Function (Pr. 296, Pr. 297) - Mitsubishi Electric FR-D720S SC EC Instruction Manual

Parameter
6.16.5

Password function (Pr. 296, Pr. 297)

Registering 4-digit password can restrict parameter reading/writing.
Pr.
Name
No.
296
Password lock level
Password lock/
297
unlock
The above parameters can be set when Pr. 160 = 0.
The above parameters allow its setting to be changed during operation in any operation mode
even if "0" is set in Pr. 77.
When Pr. 296 ≠ "9999" (with password lock), note that Pr. 297 is always available for setting
regardless of Pr. 160 setting.
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
Tab. 6-34: Level of password lock and reading/writing restriction
If the parameter reading is restricted by the Pr. 160 setting, those parameters are unavailable
for reading even when "✔" is indicated.
If the parameter writing is restricted by the Pr. 77 setting, those parameters are unavailable
for writing even when "✔" is indicated.
Parameter access from unit where parameter is written in PU operation mode (initially set
to operation panel, parameter unit) is restricted. (For PU mode operation command source
selection refer to section 6.17.3.)
Parameter access in NET operation mode with RS485 communication is restricted.
FR-D700 SC EC
Initial
Setting Range Description
Setting
Select restriction level of parameter
1–6/101–106 reading/ writing when a password is
9999
registered.
9999 No password lock
1000–9998 Register a 4-digit password
Displays password unlock error count.
(0–5) (Reading only)
9999
(Valid when Pr. 296 = "101" to "106")
(9999) No password lock (Reading only)
PU Mode Operation Command
Read
✔
9999
✔
1/101
✔
2/102
✔
3/103
4/104 —
5/105 —
✔
6/106
Misoperation prevention and parameter setting restriction
Write
✔
—
—
✔
—
—
✔
Parameters referred to
77 Parameter write
selection
160 Extended function
display selection
551 PU mode operation
command source
selection
NET Mode Operation Command
Read Write
✔
✔
✔
✔
—
✔
—
Refer to
Section
6.16.2
6.16.4
6.17.3
✔
—
✔
—
—
✔
—
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