Software Lock
When the terminal [SFT] is turned ON, the data of all the parameters and functions
(except the output frequency, depending on the setting of ) is locked (prohibited
from editing). When the data is locked, the keypad keys cannot edit inverter
parameters. To edit parameters again, turn OFF the [SFT] terminal input.
Use parameter
state or is locked as well.
Option
Terminal
Code
Symbol
SFT
Software Lock
~
Valid for inputs:
Required settings
Notes:
When the [SFT] terminal is turned ON, only
the output frequency can be changed.
Software lock can include the output frequency
by setting .
Software lock by the operator is also possible
without the [SFT] terminal being used ().
to select whether the output frequency is excluded from the lock
Function Name
State
ON
OFF
(excluded from lock)
Description
The keypad and remote programming devices are
prevented from changing parameters
The parameters may be edited and stored
Example (requires input configuration—
see
page
3-85):
7
6
5
4
3
See I/O specs on
page 4–6.
427
SFT
2
1
L
P24
PLC