Software Lock - Hitachi L100 Instruction Manual

4–14

Software Lock

Option
Code
15
Valid for inputs:
Required settings:
Notes:
•
When the [SFT] terminal is turned on, only the
output frequency can be changed.
•
Software lock can be made possible also for the
output frequency by B31.
•
Software lock by the operator is also possible
without the [SFT] terminal being used (B31).
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Using Intelligent Input Terminals
When the terminal [SFT] is turned on, the data of all the parameters and functions except
the output frequency 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 B31 to select whether the output frequency is excluded from the lock
state or is locked as well.
Terminal
Function Name
Symbol
SFT Software Lock
C01, C02, C03, C04, C05
B31 (excluded from lock)
Input
Description
State
ON The keypad and remote programming devices
are prevented from changing parameters
OFF The parameters may be edited and stored
Example:
L 5
See I/O specs on page 4–5.
SFT FW
P24
4 3 2 1