,-
,-
,-
,_,,-.
=··-
11=
,-
,_,,-,I
Related parameters
(Special Control Parameters)
-, -
,
__
,,_,,_
I I t
_t
_t
Run
frequency
control
IF,-
,_,,-,I
Run frequency
IF
1-1
'::15
I Run frequency hysteresis
E6580516
The inverter run/stop can be controlled with just the reference frequency signal. By setting the run frequency
IF
,-
,_,
,-,
I and the run frequency hysteresis
IF
1-1
'::15
I . the inverter will start running when the reference
frequency
signal
is
higher than point B
in
the following diagram, and will stop when less than point
A.
* For example, when using the inverter for HVAC applications, etc., and automatically operating from a
room temperature signal, the inverter can be stopped when the reference frequency
signal drops below
30Hz.
Output
frequency
[Hz]
j,c,-u,-.1
Fl-!'=15
F -En
F-51:
0
-------;J--------
,',
:
---r:·-----------i----------------
,
..
,'
:
A
B 100%
Reference
frequency
signal
* During acceleration, the inverter will start with start-up frequency
IF
-
51::
I in G
,-
. 5 [ when the
reference frequency signals is higher than point
B.
During deceleration, the inverter will stop
at
end
frequency
IF
- E
,-,
I
in
G ,-. 5 [ when the reference frequency signal drops below point
A.
-
68
-
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