Delta Electronics VFD-M Series User Manual page 52

Skip Frequency Setting
Applications
Pumps and fans
Carrier Frequency Setting
Applications
General application
Keep Running when Frequency Command is Lost
Applications
Air conditioners
Output Signal in Zero Speed
Applications
General application
Output Signal at Master Frequency
Applications
General application
Revision May 2008, ME14, SW V3.04
Purpose
To prevent
machine vibrations
Purpose
Low noise
Purpose
For continuous
operation
Purpose
Provide a signal for
running status
Purpose
Provide a signal for
running status
Functions
The AC motor drive cannot run at
constant speed in the skip frequency
range. Three skip frequency ranges
can be set.
Functions
The carrier frequency can be
increased when required to reduce
motor noise.
Functions
When the frequency command is lost
by system malfunction, the AC motor
drive can still run. Suitable for
intelligent air conditioners.
Functions
When the output frequency is lower
than the min. output frequency, a
signal is given for external system or
control wiring.
Functions
When the output frequency is at the
master frequency (by frequency
command), a signal is given for
external system or control wiring
(frequency attained).
Chapter 4 Parameters|
Parameters
Pr.67~Pr.70
Parameters
Parameters
Parameters
Parameters
Related
Related
Pr.71
Related
Pr.63
Related
Pr.45
Pr.46
Related
Pr.45
Pr.46
4-17