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Manual torque boost
Group
Function group 1
Set F27 to 0 ( Manual torque boost)
Forward/ reverse torque boost are set at F28 and F29 respectively.
If the boost value is set much higher than required, it may cause motor overheating due to over-
energizing.
Automatic torque boost
Group
Function group 1
Function group 2
Before the auto-torque boost setting, stator resistance (H42) and no-load current (H34 ) of motor
shall be set correctly. (Refer to page 8-15).
Set F27 to 1 (automatic torque boost).
The inverter automatically calculates torque compensation according motor parameters and
outputs the corresponding voltage.
Cx2000 AC Drive
Code
Item
F27
Torque boost selection
F28
Forward torque boost
F29
Reverse torque boost
Caution
V o lta g e
1 0 0 %
F X to rq u e
b o o st
R X to rq u e
b o o st
F X
R X
Code
Item
F27
Torque boost selection
H34
No Load Motor Current
H41
Auto-turning
H42
Stator resistance (Rs)
Chapter 7 Basic Functions
Set value
Range
Initial
0
0 ~ 1
0
-
0 ~ 15
2
N o to rq u e b o o st
T im e
Set value
Range
Initial
1
0 ~ 1
0
-
0.1 ~ 50
-
0
0 ~ 1
0
-
0 ~ 56
-
Unit
%
Unit
A
7-19
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