Delta Electronics VFD-EL User Manual
Chapter 4 Parameters|
4-24
Revision August 2008, 2ELE, V1.02
Carrier Frequency Setting
Applications Purpose
Functions
Related
Parameters
General application
Low noise
The carrier frequency can be
increased when required to reduce
motor noise.
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
operation
When the frequency command is lost
by system malfunction, the AC motor
drive can still run. Suitable for
intelligent air conditioners.
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
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.)
release) when the AC motor drive is
running. (This signal will disappear
when the AC motor drive is free-
running.)
03.00
Output Signal in Zero Speed
Applications Purpose
Functions
Related
Parameters
General application
Provide a signal for
running status
running status
When the output frequency is lower
than the min. output frequency, a
signal is given for external system or
control wiring.
than the min. output frequency, a
signal is given for external system or
control wiring.
03.00
Output Signal at Desired Frequency
Applications Purpose
Functions
Related
Parameters
General application
Provide a signal for
running status
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).
desired frequency (by frequency
command), a signal is given for
external system or control wiring
(frequency attained).
03.00