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(3)
Execution of tuning
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) When the start command is turned on under V/F
control, the motor starts.
1) When performing tuning for PU operation, press
(FR-PU04/FR-PU07).
For external operation, turn ON the run command (STF signal or STR signal). Tuning starts.
(Excitation noise is produced during tuning.)
NOTE
To force tuning to end, use the MRS or RES signal or press
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>
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.
2) Monitor is displayed on the operation panel and parameter unit (FR-PU04/FR-PU07) during tuning as below.
Parameter Unit (FR-PU04/FR-PU07)
Pr. 96 setting
(1) Setting
(2)Tuning in progress
TUNE
STF
(3)Normal end
TUNE
COMPETION
STF
(4)Error end
(when inverter protective
TUNE
function operation is
ERROR
STF
activated)
REMARKS
It takes approximately 9s until tuning is completed.
The set frequency monitor displayed during the offline auto tuning is 0Hz.
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Selection and protection of a motor
of the operation panel or
of the operation panel. (Turning the start signal (STF
STF, STR
Operation Panel Indication
Display
11
READ:List
11
STOP
PU
12
FWD PU
13
STOP PU
9
STOP PU
or
of the parameter unit
11
Flickering
4
107
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