Mitsubishi Electric FR-D720S SC EC, Instruction Manual

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Parameter Misoperation prevention and parameter setting restriction
FR-D700 SC EC 6 - 169
6.16.5 Password function (Pr. 296, Pr. 297)
Registering 4-digit password can restrict parameter reading/writing.
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.
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.
Pr.
No.
Name
Initial
Setting
Setting Range Description Parameters referred to
Refer to
Section
296
Password lock level 9999
1–6/101–106
Select restriction level of parameter
reading/ writing when a password is
registered.
77
160
551
Parameter write
selection
Extended function
display selection
PU mode operation
command source
selection 6.16.2
6.16.4
6.17.3
9999 No password lock
297
Password lock/
unlock
9999
1000–9998 Register a 4-digit password
(0–5)
Displays password unlock error count.
(Reading only)
(Valid when Pr. 296 = "101" to "106")
(9999) No password lock (Reading only)
Pr. 296
PU Mode Operation Command NET Mode Operation Command
Read Write Read Write
9999
✔ ✔ ✔ ✔
1/101
✔
—
✔
—
2/102
✔
—
✔ ✔
3/103
✔ ✔ ✔
—
4/104 — — — —
5/105 — —
✔ ✔
6/106
✔ ✔
— —
Tab. 6-34: Level of password lock and reading/writing restriction