Chapter 3 SETTINGS FOR FUNCTIONS
Chapter 3
Setting the Output Conditions
3-17
ZW
User’s Manual
■ Setting the differ filter
Use the differentiation function to detect only sudden changes in the measured values
that occur during very short periods of time.
The differentiation function detects changes between the present value and the
measured value that is in effect just before the comparing pitch. The coefficient of this
comparing pitch is defined as the differentiation cycle.
Example: Differentiation cycle = 10 ms
As an example, here is an explanation of the procedure for selecting the "10 ms"
differentiation filter cycle setting.
Operating procedure
Steps
Key operation Display Description
1 - 4 For moving to FILTER, see steps 1 to 4 in p.3-15
5 Select "Differ filter" as the filter type.
Press or keys to select either of "DIFFER"
and press key.
6 Enable the differential filter.
The current setting value is displayed on the sub-
display.
Press / keys to enter the editing mode, and the
sub-display blinks.
Select "ON" and press key.
7 Set "10" as the differential cycle.
"CYCLE" is displayed on the main display and the
current setting value is displayed on the sub-display.
Press key to enter the editing mode, and the
sub-display blinks.
To edit numerical values use / / / keys.
Enter "10" and press key.
Display value
(differentiation result)
Sampling
Present value
Comparison interval: 10 ms
Measuring cycle
ZERORST/
ESC
ZERO/
SET
ZERORST/ZERORST/
ESCESC
ZERO/ZERO/
SETSET
ZERORST/
ESC
ZERO/
SET
ZERO/
SET
ZERO/
SET
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