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Application Manual CDA3000
5 Software functions
Parameters of frequency limitation
Parameter Function Value range FS Unit Online
301-FMIN1 CDS1: Minimum reference frequency 0 ... 1600 0 Hz
302-FMIN2 CDS2: Minimum reference frequency 0 ... 1600 0 Hz
303 -FMAX1 CDS1: Maximum reference frequency 0 ... 1600 50 Hz
305 -FMAX2 CDS2: Maximum reference frequency 0 ... 1600 50 Hz
306 -FMXA1 CDS1: Absolute maximum frequency 0 ... 1600 1600 Hz
307 -FMXA2 CDS2: Absolute maximum frequency 0 ... 1600 1600 Hz
Table 5.31 Parameters from subject area _30OL Frequency limitation
Explanatory notes
• CDS = Characteristic data set
• With FMINx 0 Hz, after starting the output frequency is accelerated
from0HzwiththerampACCRxtoFMINx.
• The absolute maximum frequency FMXAx limits the output
frequency of control functions, such as slip compensation in
V/F operation.
• Online parameter setting of the absolute maximum frequency is
possible, but results in a direct frequency jump if the reference is
lower than the maximum frequency.
Consequently, the absolute maximum frequency must not be
changed online.
• Changing parameter FMINx or FMAXx activates a controller initiali-
zation.
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