Omron DRT2 SERIES DEVICENET SLAVES - OPERATION MANUAL 04-2008 Operation Manual page 365

Analog Input Terminals
Hysteresis Setting
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2. Select the Tab Page for the input where top/valley hold is to be set, and se-
lect Top/Valley Hold under the Function Choice heading.
3. To allocate the Hold Flag (output) in the default connection path, click the
General Tab, and select Holding Value from the pull-down menu in the
Default Connection Path (Out) field.
4. Click the Download Button, and then click the Reset Button to reset the
Unit.
The hysteresis value can be set using the Configurator to prevent detection of
top or valley values that occur due to minor fluctuations in the analog input
value. This will cause the start of data holding to be delayed after the actual
top or valley value occurs, as shown in the following diagram.
Section 7-4