CRT1-VID16ML Omron, CRT1-VID16ML Datasheet - Page 539
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CRT1-VID16ML
Manufacturer Part Number
CRT1-VID16ML
Description
16 In NPN MIL
Manufacturer
Omron
Datasheet
1.CRT1-ATT03.pdf
(675 pages)
Specifications of CRT1-VID16ML
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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11-4-5 Top/Valley Hold
Description
Setting Using the CX-Integrator
Analog I/O Slave Unit (input) Functions
1,2,3...
Note
Top/Valley Detection
Timing Flag
Hold Flag
■ Example of Valley Hold
Hold value
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. Turn ON the power supply to the CompoNet Slave Unit.
2. Double-click the icon of the Slave Unit to set in the Network Configuration
3. Select the Tab Page for the input where top/valley hold is to be set, and se-
Hold function starts
turns ON (or OFF) in the Master Unit’s ladder program until notification of
the flag’s status is actually sent to the Slave. Therefore, even after the Hold
Flag is ON, the first analog data transmitted to the Master Unit after 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
Unit, configure a ladder program which considers the transmission delay
time when the Hold Flag is turned ON, and enables only the top/valley hold
values after a fixed time lag.
ed by setting the one-shot time. Use the CX-Integrator to set the one-shot
time (the setting range is 1 to 65,535 ms).
Flag is set to be ON, both flags will turn OFF simultaneously.
Window to open the Configuration Window. (Alternatively, right-click the
icon and select Parameters - Edit from the pop-up menu.)
lect Top/Valley under the Function Choice heading.
One-shot time
Analog input value
Valley hold value
Hold function stops
Section 11-4
Last value is held.
515
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