YASKAWA V1000 Series Installation & Start-Up Manual page 126

4.4 Basic Parameter Adjustments
Set the drive for the type of load using parameter C6-01 (Duty Cycle). The factory
setting is Normal Duty
Heavy Duty (HD) vs. Normal Duty (ND) Mode Selections
Mode
C6-01
Characteristics
Application
Over load
capability (OL2)
L3-02 Stall
Prevention during
Acceleration
L3-06 Stall
Prevention during
Run
126
YASKAWA TM.V1000.01 V1000 Drive Installation & Start-Up Manual (Preliminary 01-19-07)
Heavy Duty Rating (HD)
0
torque
100 %
0 motor speed
Use Heavy Duty Rating is designed
applications requiring a high overload
tolerance with constant load torque.
Such applications include extruders,
conveyors and cranes.
150% of drive rated current for 60 s
150%
150%
Normal Duty Rating (ND)
torque
100%
100 %
0
Use Normal Duty Rating for
applications in which the torque
requirements drop along with the speed.
Examples include fans or pumps where
a high overload tolerance is not
required.
120% of drive rated current for 60 s
120%
120%
1
100%
motor speed