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Setting Operation Conditions
Autotuning Selection (n139)
Motor data required for vector control can be measured and set by
inputting the data from the nameplate of the motor to be used and per-
forming autotuning for the motor. Autotuning is possible only for motor
1.
Autotuning mode cannot be entered when motor 2 is selected
NOTE
using a Motor Switching Command allocated to a multi-func-
tion input (i.e., Autotuning Selection (n139) setting is not
possible).
Con-
Name
stant
No.
n139
Autotuning Selection
n139 Settings
Setting
0
1
2
Note: Setting is not possible when motor 2 is selected using a Motor Switching
Command allocated to a multi-function input. ("Err" will be displayed
on the Digital Operator, and the setting will return to the value before the
change.)
Use the following procedure to perform autotuning to automatically set
motor constants when using the V/f control method, when the cable
length is long, etc.
Setting the Autotuning Mode
One of the following two autotuning modes can be set.
• Rotational autotuning
• Stationary autotuning for motor line-to-neutral resistance only
Always confirm the precautions before autotuning.
Unit
Disabled
Rotational autotuning (motor 1)
Stationary autotuning for motor line-to-neutral
resistance only (motor 1)
6 Programming Features
Setting
Range
0 to 2
Function
Factory
Setting
0
61
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