135
Operation selection at power failure and instantaneous power failure
Execution of tuning
1) When performing PU operation, press
of the operation panel.
For external operation, turn on the start command (STF signal or STR signal). Tuning starts.
(Excitation noise is produced during tuning.)
2) Monitor is displayed on the operation panel and parameter unit (FR-PU04, FR-PU07) during tuning as below.
3) When offline auto tuning ends, press
of the operation panel during PU operation. For external operation, turn off
the start signal (STF signal or STR signal) once.
This operation resets the offline auto tuning and the PU's monitor display returns to the normal indication.
(Without this operation, next operation cannot be started.)
POINT
Before performing tuning, check the monitor display of the operation panel or parameter unit (FR-PU04/FR-PU07) if the
inverter is in the status for tuning. (Refer to 2) below)
NOTE
To force tuning to end, use the MRS or RES signal or press
of the operation panel. (Turning the start signal (STF
signal or STR signal) off also ends tuning.)
During offline auto tuning, only the following I/O signals are valid: (initial value)
Input terminal
<
Valid signal
>
STF, STR
Output terminal RUN, AM, A, B, C
Note that the progress status of offline auto tuning is output in five steps from AM when speed and output frequency
are selected.
Since the RUN signal turns on when tuning is started, caution is required especially when a sequerence which
releases a mechanical brake by the RUN signal has been designed.
When executing offline auto tuning, input the run command after switching on the main circuit power (R/L1, S/L2, T/
L3) of the inverter.
Do not perform ON/OFF switching of the second function selection signal (RT) during execution of offline auto
tuning. Auto tuning is not excecuted properly.
Parameter Unit
(FR-PU04, FR-PU07)
Operation Panel Indication
Pr. 96
setting
21
21
(1) Setting
(2) Tuning in progress
(3) Normal end
(4) Error end
(when inverter protective function
operation is activated)
REMARKS
It takes approximately 9s until tuning is completed.
STOP PU
21
READ:List
FWD PU
22
STF
TUNE
STOP
PU
23
STF
TUNE
COMPLETION
Flickering
STOP PU
9
STF
TUNE
ERROR
Содержание FR-D700 Series
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