Prohibiting Overwriting Of Parameters; Setting A Password - Omron VARISPEED L7 Manual

Prohibiting Overwriting of Parameters

If A1-01 is set to 0, all parameters except A1-01 and A1-04 are write protected, U1-
will be displayed. If A1-01 is set to 1, only the parameters A1-01, A1-04 and A2-
written, U1-
If one of the parameters H1-01 to H1-05 (digital input terminal S3 to S7 function selection) is set to 1B (write
parameters permitted), parameters can be written from the digital operator when the terminal that has been set
is ON. When the set terminal is OFF, writing parameters other than the frequency reference is prohibited.
However, the parameters can be read.
Related Parameters
Parameter
No.
A1-01

Setting a Password

When a password is set in A1-05 and if the set values in A1-04 and A1-05 do not match, only the settings of
parameters A1-01 to A1-03, or A2-01 to A2-32 can be modified.
The setting of all parameters except A1-00 can be prohibited using the password function in combination with
setting parameter A1-01 to 0 (Monitor only).
6
Related Parameters
Parameter
No.
A1-01
A1-04
A1-05
Setting a Password
The password can be set in parameter A1-05. Normally A1-05 is not displayed. To display and modify A1-05
the MENU and Reset key must be pressed together in the A1-04 display.
70
6-
, U2- and U3-
Name
Parameter access level
Name
Parameter access level
Password
Password setting
will be displayed. All other parameters will not be displayed.
Factory
Setting
2
Factory
Setting
2
0
0
, U2-
can be read or
Control Methods
Change
during
Open Closed
Opera-
V/f Loop Loop
tion
Vector Vector
Yes A A A
Control Methods
Change
during
Open Closed
Opera-
V/f Loop Loop
tion
Vector Vector
No A A A
No A A A
No A A A
and U3-
Closed
Loop
Vector
(PM)
A
Closed
Loop
Vector
(PM)
A
A
A