Parameters
70 M-Max Series Adjustable Frequency Drive MN04020003E—October 2013 www.eaton.com
Filter Time Constant
The filter time constant can be used to filter out disturbance
with analog signals.
In the default setting the filter time constant is active with
0.1 seconds. The time value set here applies to 63% of the
maximum analog signal (+10V, 20 mA).
Long filter times lead to a delay in the analog signal
processing.
You can deactivate the filter time constant by setting the
parameter to 0.0:
P2.4 (AI1) = Filter time constant, analog input AI1
P2.8 (AI2) = Filter time constant, analog input AI2
P4.4 (AO) = Filter time constant, Analog output AO
Filter Time Constant
Notes
Analog signal with faults (unfiltered).
Filtered analog signal.
Filter time constant at 63% of the set value.
P2.4 AI1
P2.8 AI2
t (s)
100%
63%
AI1
AI2
P4.4 AO
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