LSIS XGT Series - Filter Processing

Chapter 13 Built-in Analog Function
13-12
13.5.2 Filter Processing
Pre-filter input value and specified channel are calculated as below.
)
channels
used
of
Number
5.
0(
Constant
Filter
)
channels
used
of
Number
5.
0
Value
Input
Current
()
Constant
Filter
Value
Input
Filtered
-
Pre(
Value
Filtered
×+
×
×
+×
=
ms
ms
Setting range of Filter constant = 4 to 64,000 [ms]
Input
value
10000
6320
0
Input value after filtering
Actual input value
Filter constant
(ms)
Time (ms)
As the above graph, if the input value rapidly decreases from 0 to 10,000, the input value will be filtered. Specified
time with filter constant is that the input value is the time to change by 63.2% of actual time constant.