YASKAWA FSDrive-MV1000 Parameter Manual page 217

Super energy-saving medium-voltage ac drive, 2.4 kv class, 3 kv class, 4.16 kv class, 6 kv class, 11 kv class
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L7-06: Torque Limit Integral Time Constant
n
Sets the integral time constant for the torque limit function. Decrease this setting to increase frequency fluctuation due to
torque limit while applying integral control.
No.
L7-06
Torque Limit Integral Time Constant
L7-07: Torque Limit Control Method Selection during Accel/Decel
n
Selects the function of torque limit during acceleration and deceleration.
No.
Torque Limit Control Method Selection during Accel/
L7-07
Setting 0: Proportional control (changes to integral control at constant speed)
The torque limit function works with P control during accel and decel, and switches to I control at constant speed. Use
this setting when accelerating or decelerating to the desired speed has priority over the torque limit during speed changes.
Setting 1: Integral control
The torque limit function always uses I control. Use this setting when a highly accurate torque limit is required, even
during speed changes. Using this function may increase the acceleration time, or may prevent the motor speed from
reaching the frequency reference if the torque limit is reached first.
L7-16: Torque Limit Process at Start
n
Assigns a time filter to allow the torque limit to build at start.
No.
L7-16
Setting 0: Disabled
Toque limit is created at start without a delay time. Disable L7-16 to maximize response time when the application
requires sudden acceleration or deceleration at start.
Setting 1: Enabled
A time filter is added to allow the torque limit to build at start.
L7-30: Regenerative Torque Limit Mode Selection
n
Parameter L7-30 sets the mode for the regenerative torque limit.
No.
L7-30
Regenerative Torque Limit Mode Selection
Setting 0: Standard mode (torque limits from all analog and communications inputs effective)
Setting 1: Independent mode (only L7-03, -04 and H3-
L7-32: Low Speed Regenerative Torque Limit Mode Selection
n
Sets the mode for the regenerative torque limit when the motor speed is 10% or less.
No.
Low Speed Regenerative Torque Limit Mode
L7-32
Setting 0: Follows the torque limit value.
Setting 1: Lowers the lower limits for the regenerative torque limit when the motor speed is 10% or less.
Note: This parameter is available from the drive software version S0104 and later.
YASKAWA ELECTRIC TOEP C710687 03B FSDrive-MV1000 Parameter Guide
Name
Name
Decel
Name
Torque Limit Process at Start
Name
Name
Selection
Setting Range
5 to 10000 ms
Setting Range
0, 1
Setting Range
0, 1
Setting Range
0, 1
(regenerative torque limit) effective)
Setting Range
0, 1
2.8 L: Protection Functions
Default
200 ms
Default
0
Default
1
Default
0
Default
1
217

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