YASKAWA
SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
191
Table 3.12 Status of Input/Output Terminals during Auto-Tuning
Auto-Tuning Type
Mode
Multi-Function Input
Digital Output
Induction Motor Auto-Tuning
Rotational
Rotational Auto-Tuning
Disabled
Functions the same as during
usual operation.
Stationary
Stationary Auto-Tuning 1
Disabled
Keeps the status at the start of
Auto-Tuning.
Line-to-Line Resistance
Disabled
Keeps the status at the start of
Auto-Tuning.
ASR and Inertia Tuning
Rotational
Inertia Tuning
Disabled
Functions the same as during
usual operation.
ASR (Speed Regulator)
Disabled
Functions the same as during
usual operation.
Deceleration Rate Tuning
Disabled
Functions the same as during
usual operation.
*1
A terminal to which
H2-xx = E [MFDO Function Select = Fault]
is assigned functions the same as during usual operation.
WARNING!
Crush Hazard. Wire a sequence that will not let a multi-function output terminal open the holding brake during
Stationary Auto-Tuning. If the holding brake is open during Stationary Auto-Tuning, it can cause serious injury or death.
WARNING!
Sudden Movement Hazard. Before you do Rotational Auto-Tuning, disconnect the load from the motor. The load
can move suddenly and cause serious injury or death.
WARNING!
Injury to Personnel. Rotational Auto-Tuning rotates the motor at 50% or more of the motor rated frequency. Make
sure that there are no issues related to safety in the area around the drive and motor. Increased motor frequency can cause
serious injury or death.
■
Precautions before Rotational Auto-Tuning
WARNING!
Electrical Shock Hazard. During Auto-Tuning, the motor will receive high voltage when the motor is stopped. Do not
touch the motor until Auto-Tuning is complete. If you touch a motor that is energized, it can cause serious injury or death.
•
To do Rotational Auto-Tuning, uncouple the drive from the motor. If the drive and motor stay connected, the
drive can malfunction. The drive cannot accurately calculate motor parameters if the load is connected to the
motor while doing Rotational Auto-Tuning, and the drive will not operate the motor correctly.
•
When the load is 30% or less of the motor duty rating, you can do Auto-Tuning with the motor connected to a
load. If you do Rotational Auto-Tuning while connected to a load that is more than 30%, the drive will not
correctly calculate the motor parameters, and it can be dangerous because the motor can operate incorrectly.
•
Make sure that the motor magnetic brake is released.
•
Make sure that external force from the machine will not cause the motor to rotate.
■
Precautions before Stationary Auto-Tuning
•
Make sure that the motor magnetic brake is not open.
•
Make sure that external force from the machine will not cause the motor to rotate.
WARNING!
Electrical Shock Hazard. During Auto-Tuning, the motor will receive high voltage when the motor is stopped. Do not
touch the motor until Auto-Tuning is complete. If you touch a motor that is energized, it can cause serious injury or death.
Automatically Setting E2-02 [Motor Rated Slip] and E2-03 [Motor No-Load Current]
If
T1-12 = 1 [Test Mode Selection = Yes]
is set when selecting the Stationary Auto-Tuning, motor parameters
E2-
02 [Motor Rated Slip]
and
E2-03 [Motor No-Load Current]
are set automatically when using the motor for the
first time in Drive Mode after Auto-Tuning has been performed.
After performing Stationary Auto-Tuning, use the following procedure to run the test operation.
1. Check the
E2-02
and
E2-03
values on the
“
Modified Parameters/Fault Log
”
screen or the
“
Parameters
”
screen.
2. Operate the motor in Drive Mode with the following conditions.
•
Do not disconnect the wiring between the motor and drive.
•
Do not lock the motor shaft with a mechanical brake or other device.
•
The maximum motor load should be 30% of the rated load.
•
Maintain a constant speed of 30% of
E1-06 [Base Frequency]
(default value = maximum frequency) or
higher for 1 s or longer.
3. After the motor is stopped, recheck the
E2-02
and
E2-03
values on the
“
Modified Parameters/Fault Log
”
screen or the
“
Parameters
”
screen.
4. Make sure that the input data is correct.
If the settings in
E2-02
and
E2-03
are different from the measurement taken in step 1, then the values were set
automatically by the drive.
Содержание CR700
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