7 Advanced Settings
7 - 12
High-function General-purpose Inverter RX2 Series User’s Manual
Parameter
Automatically adjust the frequency and the output voltage so as to achieve a higher torque.
The automatic boost corrects the frequency and the output in order to control the motor. Accordingly, it
requires the acquisition of the motor constant by means of auto-tuning or the like.
Precautions for Correct Use
• When a motor is hunting and vibrating, an adjustment of the stabilization constant, 1st-motor
[HA110] may improve the state of the motor.
• In the automatic torque boost, set appropriately the motor capacity, the number of motor
poles, the base frequency, the rated voltage, and the rated current in order to conduct motor
control.
• When a trip caused by overcurrent is generated while the deceleration, set a over magnetiza-
tion deceleration function selection, 1st-motor (bA146) to 00: Enabled.
• When the motor performs below its potential characteristics, conduct the auto-tuning and
make adjustment by referring to the next section.
Item
Parameter
Data
Description
Default
data
Manual torque
boost operational
mode selection,
1st-motor
[Hb140]
00
Disabled
01
*1
*1. Default data when default data selection (UB-02) is set to 01.
01
Always enabled
02
Enabled only for forward revolution
03
Enabled only for backward revolution
Manual torque
boost value,
1st-motor
[Hb141]
0.0 to 20.0(%)
Setting the maximum amount of torque boost
for the motor’s rated voltage [Hb106] at the time
of setting the manual torque boost break point.
0.0
Manual torque
boost Peak speed,
1st-motor
[Hb142]
0.0 to 50.0(%)
Set, as the break point, the proportion of the
boost amount to the base frequency [Hb104]
0.0
7-2-6
Automatic Torque Boost
Содержание RX - 2
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