4.5 Test Run
YASKAWA TM.V1000.01 V1000 Drive Installation & Start-Up Manual (Preliminary 01-19-07) 161
Start-Up Programming &
Operation
4
If the drive indicates a fault, investigate the cause of the fault making sure proper
safety precautions are followed. Refer to Troubleshooting on page 183.
◆ Auto-Tuning
Auto-Tuning simplifies drive setup by automatically measuring motor equivalent
circuit values while energizing and rotating the motor to easily achieve optimized
performance.
■ Types of Auto-Tuning
There are three types of Auto-Tuning. Refer to Auto-Tuning Selection on
page 162 to select the best type of Auto-Tuning for the application.
Note: Auto-Tuning cannot be performed on permanent magnet motors (IPM, SPM, etc.).
Type Setting Application Conditions and Benefits Control Mode
Rotational
Auto-Tuning for
V/f Control
T1-01 = 3
Assumes the motor can rotate during the
Auto-Tuning process
Improves torque compensation, slip compensation,
energy savings, and speed search performance
V/f Control
Rotational
Auto-Tuning for
OLV Control
T1-01 = 0
(default)
Assumes the motor can rotate during the
Auto-Tuning process
Achieves high-performance motor control
Open Loop Vector Control
Stationary
Auto-Tuning for
V/f and OLV
Control
Line-to-Line
Resistance Only
T1-01 = 2
For use when the motor cable exceeds 50 m
The motor cable length has been modified after
Auto-Tuning has been previously performed
When motor capacity and drive capacity differ
V/f Control,
Open Loop Vector Control
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