Toshiba Tosvert VF-S15 Instruction Manual page 201

[Selection 2: Setting vector control and auto-tuning independently]
Set vector control, automatic torque boost, energy saving and auto-tuning individually.
After setting pt (V/F control mode selection), auto-tuning starts.
Set the auto-tuning parameter f400 to 2 (Auto-tuning enabled)
[Parameter setting]
Title Function
Auto-tuning
f400
Set f400 to 2 before the start of operation. Auto-tuning is performed at the start of the motor and set
f402, f412.
● Precautions on auto-tuning
(1) Conduct auto-tuning after the motor has been connected properly and operation completely
stopped.
If auto-tuning is conducted immediately after operation stops, the presence of a residual voltage
may result in abnormal tuning.
(2) Voltage is applied to the motor during tuning even though it barely rotates. During tuning,
"" is displayed on the operation panel.
(3) Tuning is performed when the motor starts for the first time after f400 is set to 2.
Tuning is usually completed within three seconds. If it is aborted, the inverter trips with the display
of etn1 and no constants are set for that motor. Set f400 to 0 and perform manual tuning
with selection 4.
(4) High-speed motors, high-slip motors or other special motors cannot be auto-tuned. For these
motors, perform manual tuning using Selection 3 described below.
(5) Provide cranes and hoists with sufficient circuit protection such as mechanical braking. Insufficient
motor torque while tuning may cause machine stalling/falling.
(6) If auto-tuning is impossible or an "etn1" auto-tuning error is displayed, perform manual tuning
with selection 4.
[Selection 3: Setting vector control and motor constant automatically]
After setting vl, vlv, f405, f415 and f417, motor constants calculated automatically.
f402, f412 and f416 are set automatically.
Set the motor constant parameter f400 to 4 (auto calculation)
Set f400=5 when auto-tuning is executed after setting motor constants automatically.
Adjustment range
0: Auto-tuning disabled
1: Initialization of f402 (after execution : 0)
2: Auto-tuning executed
(after execution: 0)
3: -
4: Motor constant auto calculation
(after execution: 0)
5: 4+2 (after execution: 0)
F-89
E6582175
Default setting
0
6