Delta Electronics AC Drive VFD-F Series Especificaciones descargar pdf (Pagina 71)

Chapter 5 Parameters|VFD-S Series

5-14 Revision August 2008, SE09, SW V2.61

 Over-torque Setting

Applications Purpose Functions

Parameters

Pumps, fans and

extruders

To protect

machines and to

have continuous/

reliable operation

The over-torque detection level can be

set. Once OC stall, OV stall and over-

torque occurs, the output frequency

will be adjusted automatically. It is

suitable for machines like fans and

pumps that require continuous

operation.

6-03~6-05

 Upper/Lower Limit Frequency

Applications Purpose Functions

Parameters

Pump and fan

Control the motor

speed within

upper/lower limit

When user cannot provide

upper/lower limit, gain or bias from

external signal, it can be set

individually in AC motor drive.

1-07

1-08

 Skip Frequency Setting

Applications Purpose Functions

Parameters

Pumps and fans

To prevent

machine vibrations

The AC motor drive cannot run at

constant speed in the skip frequency

range. Three skip frequency ranges

can be set.

8-08~8-13

 Carrier Frequency Setting

Applications Purpose Functions

Parameters

General application Low noise

The carrier frequency can be

increased when required to reduce

motor noise.

2-03

 Keep Running when Frequency Command is Lost

Applications Purpose Functions

Parameters

Air conditioners

For continuous

operation

When the frequency command is lost

by system malfunction, the AC motor

drive can still run. Suitable for

intelligent air conditioners.

2-05

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Delta Electronics AC Drive VFD-F Series Especificaciones Pagina 71

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