Omron DRT2 SERIES DEVICENET SLAVES - OPERATION MANUAL 04-2008 Operation Manual page 435

Temperature Input Terminals
One-shot Time Setting
1,2,3...
Top/Valley Counter
Function
414
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, click the Download Button, and then click the
Reset Button to reset the Unit.
3. Click the OK Button and exit the window.
This function counts the number of temperature tops or valleys in devices or
applications that have repetitive temperature rises (or drops). A threshold
value can be set for the counter to indicate when preventative maintenance is
required for the Unit or sensors.
The Over Threshold status can be read in the Maintenance Information Win-
dow or via an explicit message.
Valley Counter Operation
Hold value
Hold Flag
Hold function
starts.
The Valley Count function counts the number
of valleys in the temperature input value.
Temperature Valley hold
input value value
Section 7-6
Last value
is held.
Hold function
stops.