User Manual of A90 Series Inverter
217
In order to avoid unnecessary danger caused by keyboard operation or misoperation of
non-workers, the keyboard has a parameter locking function. The current function code is
unlocked by default, and all function codes can be set. After the function code is debugged
according to the working conditions, the parameters can be locked.
1: reference input not locked
In the lock mode, all function codes cannot be modified, expect this function code and
those with reference input properties. Specific function codes with parameter input
properties are shown in Table 7-17.
Table 7-17 List of Function Codes with Reference Input Properties
Digital frequency
setting
Multi-segment PID
setting 1
Multi-segment PID
setting 2
Multi-segment PID
setting 3
2: all locked, except for this function code
In the lock mode, all function codes cannot be set except this function code. This mode
is mostly used when it is not necessary to set parameters after debugging. We can only