M-Maxâ„¢ Series Adjustable Frequency Drive - Eaton Corporation
M-Maxâ„¢ Series Adjustable Frequency Drive - Eaton Corporation
M-Maxâ„¢ Series Adjustable Frequency Drive - Eaton Corporation
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Parameters<br />
Filter Time Constant<br />
The filter time constant can be used to filter out disturbance<br />
with analog signals.<br />
In the default setting the filter time constant is active with<br />
0.1 seconds. The time value set here applies to 63% of the<br />
maximum analog signal (+10V, 20 mA).<br />
Long filter times lead to a delay in the analog signal<br />
processing.<br />
You can deactivate the filter time constant by setting the<br />
parameter to 0.0:<br />
P2.4 (AI1) = Filter time constant, analog input AI1<br />
P2.8 (AI2) = Filter time constant, analog input AI2<br />
P4.4 (AO) = Filter time constant, Analog output AO<br />
Filter Time Constant<br />
AI1<br />
AI2<br />
100%<br />
63%<br />
P2.4 AI1<br />
P2.8 AI2<br />
P4.4 AO<br />
t (s)<br />
Notes<br />
� Analog signal with faults (unfiltered).<br />
� Filtered analog signal.<br />
� Filter time constant at 63% of the set value.<br />
68 M-Max <strong>Series</strong> <strong>Adjustable</strong> <strong>Frequency</strong> <strong>Drive</strong> MN04020003E—April 2011 www.eaton.com
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