Trial Operation Procedures
4-7
îš‹ Settings for the Control Methods
Autotuning methods depend on the control method set for the Inverter. Make the settings required by the con-
trol method.
îš„Overview of Settings
Make the required settings in quick programming mode and autotuning mode according to the following flow-
chart.
Note If the motor cable changes to 50 m or longer for the actual installation, perform stationary autotuning for the line-to-line resistance only on-site.
* 1. Use rotational autotuning to increase autotuning accuracy whenever it is okay for the motor to be operated. Always perform rotational autotuning when
using open-loop vector 2 control.
* 2. If there is a reduction gear between the motor and PG, set the reduction ratio in F1-12 and F1-13.
* 3. The default setting of the Inverter is for open-loop vector 1 control (A1-02 = 2).
* 4. If the maximum output frequency is different from the base frequency, set the maximum output frequency (E1-04) after autotuning.
Fig 4.3 Settings According to the Control Method
START
YES
V/f
V/f control?
㧔A1-02=0 or 1)
PG?
NO
(Default:
A1-02=0)
YES
㧔A1-02=1㧕
NO
Vector control (A1-02 = 2, 3, or 4)
*3
Motor cable over
50 m or heavy load possibly
causing motor to stall
or overload?
Set E1-03.
V/f default: 200V/50Hz(400V/50Hz)
Set E1-03, E2-04, and F1-01.
V/f default: 200V/50Hz(400V/50Hz)
NO
YES
YES
NO
*2
*4 *4 *4
Control mode selection
OK to operate
motor during
autotuning?
*1
Rotational
autotuning
Stationary
autotuning 1
Stationary autotuning for
line-to-line resistance only
END
YES
Load is
connected to motor when
operating motor first time
after autotuning?
Stationary
autotuning 2
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