Chapter 4 Parameters|
Revision May 2008, ME14, SW V3.04 4-17
Skip Frequency Setting
Applications Purpose Functions
Related
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.
Pr.67~Pr.70
Carrier Frequency Setting
Applications Purpose Functions
Related
Parameters
General application Low noise
The carrier frequency can be
increased when required to reduce
motor noise.
Pr.71
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.
Pr.63
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.
Pr.45
Pr.46
Output Signal at Master Frequency
Applications Purpose Functions
Related
Parameters
General application
Provide a signal for
running status
When the output frequency is at the
master frequency (by frequency
command), a signal is given for
external system or control wiring
(frequency attained).
Pr.45
Pr.46
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