Input Filter - Omega RD2800 Series User Manual

11.OTHER PROGRAMMING
The input filter has a function to stabilize the measuring input. This function can be programmed for each channel.
0 8
Press and
CLEAR ALARM
1

Input Filter

A CR filter is mounted in the measuring circuit. In addition, a
software filter (called as "input filter") for the "primary delay
computation" is also installed to smooth slight variations of the
measuring input. The value for the programming is
corresponding to "Time constant: T".
2
Programming Flow Chart
<Example> To the time constant 5 seconds in CH2
Operation screen
[Check]
    
[To be ready for programming]
    
Cursor
[Programming channel]
    
[Programming time constant]
    
YES
Error message appears?
Keys other than
SHIFT
YES
Program other channels?
simultaneously for 3 seconds or more to display the [Input filter] programming screen.
0
( ＋
CLEAR ALARM
3 sec. or more
Channel
Time constant
SET
END
2
TAG
5
°F
DATA I
ENTRY
NO
Temporarily stored
ENTRY
NO
SET
＋
SHIFT
END
Stored
－７９－
11.13 Input Filter
Reference 1
DISP
Press
8
）
channels. The input filter time constant of
other channels can be checked.
Ref. 1
Reference 2
0, 1 to 10
If "0" is programmed, the input filter is
disabled.
Reference 3
Store the [temporarily stored]
Cursor parameters into memory.
(A programming change mark is
printed.)
Ref. 2
Cursor
Input filter
Input filter: 0 (none)
Ａ
0.63
Input filter: T
(T = 1 to 10)
Ｔ
Other channels check
or to change
%
/
Programming range
of time constant
Storing