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Drive Duty Modes

The drive has two duty modes from which to select for the application: Heavy Duty (HD) and Normal Duty (ND).

Refer to Table 1 for information about the differences between HD and ND ratings.

Table 1. Drive Duty Modes

Duty Rating

C6-01 Setting

Application

Default Carrier Frequency

Overload Tolerance (oL2 [Drive Overload])

Heavy Duty Rating

(HD)

0

  • Extruder

  • Conveyor

  • Crane or hoist

  • Constant torque or high overload capacity

2 kHz

150% of the rated output current for 60 seconds The permitted frequency of overload is one time each 10 minutes.

Normal Duty Rating

(ND)

1

  • Fan

  • Pump

  • Blower

  • Variable speed control

  • Models 2004 to 2415, 4002 to 4720: 2 kHz Swing-PWM

  • Models 4810 to 4H12: 2 kHz

110% of the rated output current for 60 seconds The permitted frequency of overload is one time each 10 minutes.