AKD User Guide | AIN Parameters
AIN.CUTOFF
General Information
Type NV Parameter
Description Sets the analog input low-pass filter cutoff frequency.
Units Hz
Range 0 to 10,000 Hz
Default Value 5,000 Hz
Data Type Float
See Also Analog Input Block Diagram
Start Version M_01-00-00-000
Fieldbus Index/Subindex Object Start Version
Modbus 0 M_01-03-00-000
Description
AIN.CUTOFF sets the break frequency in Hz for two cascaded single-pole low-pass filters on the hardware com-
mand input. Since the two poles are cascaded at the same frequency, the -3 dB frequency is 0.64*AIN.CUTOFF
in hertz and the 10% to 90% step response rise time is 0.53/AIN.CUTOFF in seconds.
Suggested operating values are as follows:
l Analog torque opmode: 5 kHz
l Analog velocity opmode: 2.5 kHz
l General purpose analog input high resolution: 500 Hz
Related Topics
10.4 Analog Input
Velocity Controller Environment Block Diagram (for the drive controller environment).
268 Kollmorgen | December 2010
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