Hitachi SJ Series, User Manual

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Chapter 12
•
Chapter 12
Tuning failure during auto
• In case of failure of the auto
constant data are not updated and the motor
works in the untuned state.
！
• The base frequency, motor rated
or motor rated current is not suitable
the motor specifications.
• The motor capacity is too small
to the one set for the inverter.
• The control type is not suitable for the
motor.
• STOP key was pressed.
• External factors such as braking
trip.
• The input terminal function worked.
Chapter 12
Tuning failure during auto
In case of failure of the auto
constant data are not updated and the motor
works in the untuned state.
The base frequency, motor rated
or motor rated current is not suitable
the motor specifications.
The motor capacity is too small
to the one set for the inverter.
The control type is not suitable for the
STOP key was pressed.
External factors such as braking
The input terminal function worked.
Expected causes
Tuning failure during auto-tuning.
In case of failure of the auto-tuning, the motor
constant data are not updated and the motor
works in the untuned state.
The base frequency, motor rated voltage,
or motor rated current is not suitable
the motor specifications.
The motor capacity is too small compared
to the one set for the inverter.
The control type is not suitable for the
STOP key was pressed.
External factors such as braking caused a
The input terminal function worked.
Expected causes
▶
tuning, the motor
constant data are not updated and the motor
• voltage,
or motor rated current is not suitable for
compared •
The control type is not suitable for the
•
•
•
caused a
•
The input terminal function worked.
12-3-9
tuning, the motor
• Since wrong basic parameters of the motor
excess current or trip, check the basic parameters
them appropriately.
• If the tuning does not finish correctly,
need to be set manually.
• Since the tuning type changes depending on
[AA121], IM control or SM/PMM control,
accordance with the motor.
• Pressing the STOP key on the operator keypad interrupts
the auto-tuning. Check the setting of the auto
before starting the tuning.
• Factors that cause the trip need
• The tuning could be disturbed
works during the auto
wrong basic parameters of the motor
excess current or trip, check the basic parameters
them appropriately.
If the tuning does not finish correctly,
need to be set manually.
Since the tuning type changes depending on
IM control or SM/PMM control,
accordance with the motor.
Pressing the STOP key on the operator keypad interrupts
tuning. Check the setting of the auto
before starting the tuning.
Factors that cause the trip need
The tuning could be disturbed
during the auto-tuning.
Examples of measures
wrong basic parameters of the motor
excess current or trip, check the basic parameters
If the tuning does not finish correctly,
need to be set manually.
Since the tuning type changes depending on
IM control or SM/PMM control,
accordance with the motor.
Pressing the STOP key on the operator keypad interrupts
tuning. Check the setting of the auto
before starting the tuning.
Factors that cause the trip need to be removed.
The tuning could be disturbed if the input terminal function
tuning.
Examples of measures
Inverter Functions
wrong basic parameters of the motor could cause
excess current or trip, check the basic parameters
If the tuning does not finish correctly, the motor constants
Since the tuning type changes depending on the control type
IM control or SM/PMM control, set the type in
Pressing the STOP key on the operator keypad interrupts
tuning. Check the setting of the auto-tuning again
to be removed.
if the input terminal function
Examples of measures
Inverter Functions
could cause
excess current or trip, check the basic parameters and set
the motor constants
the control type
set the type in
Pressing the STOP key on the operator keypad interrupts
tuning again
to be removed.
if the input terminal function
Inverter Functions
the control type