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Frequency-related Functions
Frequency Limits – Upper and lower
limits can be imposed on the inverter
output frequency. These limits will
apply regardless of the source of the
speed reference. You can configure the
lower frequency limit to be greater than
zero as shown in the graph. The upper
limiter must not exceed the rating of the
motor or capability of the machinery.
The maximum frequency setting
(A004/A204) takes precedence over
frequency upper limit (A061/A261).
“A” Function Defaults
Func.
Code
Name /
SRW Display
Description
Run
Mode
Edit
-FE
(EU)
-FU
(USA)
Units
Frequency upper limit settingA061
Lim H 0000.0Hz
Sets a limit on output frequency
less than the maximum
frequency (A004).
Range is from frequency lower
limit (A062) to maximum
frequency (A004).
0.0 setting is disabled
>0.0 setting is enabled
U
0.0 0.0 Hz
Frequency upper limit
setting, 2nd motor
A261
2Lim H 0000.0Hz
Sets a limit on output frequency
less than the maximum
frequency (A204).
Range is from frequency lower
limit (A262) to maximum
frequency (A204).
0.0 setting is disabled
>0.0 setting is enabled
U
0.0 0.0 Hz
Frequency lower limit settingA062
Lim L 0000.0Hz
Sets a limit on output frequency
greater than zero.
Range is start frequency (B082)
to frequency upper limit (A061)
0.0 setting is disabled
>0.0 setting is enabled
U
0.0 0.0 Hz
Frequency lower limit
setting, 2nd motor
A262
2Lim L 0000.0Hz
Sets a limit on output frequency
greater than zero.
Range is start frequency (B082)
to frequency upper limit (A261)
0.0 setting is disabled
>0.0 setting is enabled
U
0.0 0.0 Hz
Output
frequency
A061
Upper
limit
Settable
range
A062
Lower
limit
Frequency command
0
3−20
Configuring Drive
Parameters