DRT2-OD32B-1 Omron, DRT2-OD32B-1 Datasheet - Page 364
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DRT2-OD32B-1
Manufacturer Part Number
DRT2-OD32B-1
Description
32 Out Horiz MIL Connector PNP
Manufacturer
Omron
Datasheet
1.DRT2-OD16.pdf
(600 pages)
Specifications of DRT2-OD32B-1
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Top/Valley Hold
Setting Using the DeviceNet Configurator
Analog Input Terminals
1,2,3...
Note
■ Example of Valley Hold
Top/valley hold is used to hold the top and valley values of the analog input
value.
Analog values that fluctuate more than twice the hysteresis value are moni-
tored, and the top or valley values are held. The top or valley value is allo-
cated along with the Top/Valley Detection Timing Flags, which can be used to
check the hold timing.
When the Hold Flag (output) allocated in the OUT Area turns ON, the hold
function starts, refreshing the top or valley value until the Hold Flag turns OFF.
(The last value is held when the Hold Flag turns OFF, but the next time the
Hold Flag turns ON, the hold value is initialized as soon as a top or valley
occurs.) The comparator can be used to compare the top or valley value allo-
cated as analog data. (Refer to details on the comparator function.)
1. A delay in network transmission time will occur from the time the Hold Flag
2. The time that the Top/Valley Detection Timing Flags are ON can be adjust-
3. If the Hold Flag turns OFF during the time the Top/Valley Detection Timing
1. Double-click the icon of the Analog Slave to be set in the Main Window and
Top/Valley Detection
Timing Flag
Hold value
Hold Flag
turns ON (or OFF) in the Master’s ladder program until notification of the
flag’s status is actually sent to the Slave. Therefore, even when the Hold
Flag is ON, the first analog data transmitted to the Master when the CPU
Unit power is turned ON may be the data from when the Hold Flag was
OFF. To collect top/valley hold data using the Hold Flag at the Master, con-
figure a ladder program which considers the transmission delay time when
the Hold Flag is turned ON, then enables the top/valley hold values after a
fixed time interval.
ed by setting the one-shot time. Use the Configurator to set the one-shot
time (the setting range is 1 to 65535 ms).
Flag is set to be ON, both flags will turn OFF simultaneously.
open the Edit Device Parameters Window. (From the Maintenance Mode
Window, click the right mouse button over the Slave icon and select Pa-
rameters and Edit.)
Hold function starts
One-shot time
Analog input value
Valley hold value
Hold function stops
Last value is held.
Section 7-4
343
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