User Manual For - CONTROLLER/DATA RECORDER MultiCon CMC-99/141
7.
When the user wants to add a new point between the existing point e.g. between 5
and 6, select the edit
Point 5
and then add a new point by press the
Add point
button.
8.
At the end we check all the points defined by clicking the middle button between the
arrows in the upper right corner of the screen (point
(8)
and
(9)
Filter type
The
Filter type
parameter has options:
–
disabled
- filtering of the input value is turned off,
–
smoothing
- this option enables a filter that is expressed by the formula:
,where
n
- number of sample, where n = 1, 2, 3 ...,
Y
n
- output value for n-th sample,
Y
n-1
- output value for n-1 sample,
X
n
- input value for n-th sample,
w
- time constant in seconds, this filter coefficient is defined by the user from the
Decay constant
parameter (a value of
'0'
for the filter is turned off),
0.1 sec.
- sample time,
After selecting
smoothing
option in
Filter type
parameter new button is available -
Filter
configuration
which allows the user to enter a time constant with the
Decay constant
parameter (see above filter formula).
Fig. 7.36. Example of the input signal (red chart), filtered signal for the time constant = 5s
(green chart) and time constant = 15s (blue chart)
73
Y
n
=
X
n
⋅
1
−
e
−
0,1
sek.
w
Y
n
−
1
⋅
e
−
0,1
sek.
w
0
10
20
30
40
50
60
70
80
90
100
10
15
time [s]
o
u
tp
u
t v
a
lu
e