Chapter 6 – Parameters
ACH 500 Programming Manual
6-11
3 RC FILTER ON AI1
Filter time constant for Analog Input 1.
As the Analog Input value changes, 63 percent of the change takes place
within the time period given by this parameter. If you select the minimum
value 0.01s, the signal is not filtered.
Figure 6-3 shows filter time constant.
Figure 6-3
Filter Time Constant
4 INVERT AI1
NO/YES
If this parameter is set to
YES
, maximum reference gives minimum frequency
and minimum reference gives maximum frequency.
5 MINIMUM AI2
Refer to Parameter 10.5.1.
6 MAXIMUM AI2
Refer to Parameter 10.5.2.
7 RC FILTER ON AI2
Refer to Parameter 10.5.3.
8 INVERT AI2
Refer to Parameter 10.5.4.
63
[%]
100
Filter AI1
t
Filtered Signal
Unfiltered Signal