Omron GRT1 - 11-2007 Operation Manual page 135

Analog Input Units
Moving Average
Processing
Setting Procedure (Example: DeviceNet Configurator)
1,2,3...
Scaling
114
This function calculates the average value (moving average) of the previous
eight inputs, and uses the resulting value as conversion data. When the input
value fluctuates frequently, averaging can be used to produce a stable input
value, as shown in the following diagram.
Input analog value
1. In the Network Configuration Window for the Slice I/O Terminal, double-
click the icon of the Analog Input Unit that is to be set. Alternatively, right-
click the icon and select Parameters - Edit. The Edit Device Parameters
Window will be displayed.
2. Click the I/O Module Tab.
3. Click the Edit Button on the I/O Module Tab Page. The Edit Unit Parame-
ters Window will be displayed.
4. Select the tab page for the input where moving average processing is to be
performed, and select the Moving Average Check Box in the Function
Choice Area.
5. Return to the General Tab Page, click the Download Button, and then click
the Reset Button to reset the Unit.
6. Click the OK Button to exit.
The default setting is used to perform AD conversion of analog input values,
scaling them to a count between 0 and 6,000. Scaling can be used to change
scaled values that correspond to the input signal range into other values
required by the user (industry unit values). Scaling also eliminates the need
Section 5-4
Actual input
Averaged input
Time