Omron CRT1 - 10-2008 Operation Manual page 454

Analog I/O Slave Unit Functions
One-shot Time Setting
1,2,3...
Rate of Change
Calculation
1. Input the desired value in the SHOT Off Delay Field of the Top/Valley Tab
under the Function Choice heading.
2. Return to the General Tab Page, click the Transfer [PC to Unit] Button to
download the data, and then click the Reset Button.
3. Click the OK Button and exit the window.
The rate of change can be obtained for each sampling cycle set for the analog
input data. This function calculates the difference between each set sampling
cycle and value obtained in the previous cycle. The default setting for the
sampling cycle is 100 ms and the sampling cycle setting range is 10 to
65,530 ms (in units of 10 ms).
Analog input value
Rate of change
Note If the sampling cycle is set to a small value, the rate of change will be sensitive
to small changes. If the analog data is subject to minute fluctuations, and the
sampling cycle is shorter than the cycle of fluctuation, the fluctuation will be
Analog data
Differentiation data
Section 11-4
Time
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