beautypg.com

Delta Electronics AC Motor Drive VFD-E User Manual

Page 88

background image

Chapter 4 Parameters|

Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11

4-35

Carrier Frequency Setting

Applications Purpose

Functions

Related

Parameters

General application

Low noise

The carrier frequency can be
increased when required to reduce
motor noise.

02.03

Keep Running when Frequency Command is Lost

Applications Purpose

Functions

Related

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.

02.06

Output Signal during Running

Applications Purpose

Functions

Related

Parameters

General application

Provide a signal for
running status

Signal available to stop braking (brake
release) when the AC motor drive is
running. (This signal will disappear
when the AC motor drive is free-
running.)

03.00~03.01

Output Signal in Zero Speed

Applications Purpose

Functions

Related

Parameters

General application

Provide a signal for
running status

When the output frequency is lower
than the min. output frequency, a
signal is given for external system or
control wiring.

03.00~03.01

Output Signal at Desired Frequency

Applications Purpose

Functions

Related

Parameters

General application

Provide a signal for
running status

When the output frequency is at the
desired frequency (by frequency
command), a signal is given for
external system or control wiring
(frequency attained).

03.00~03.01