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KEYENCE EX-V Series User Manual

Page 92

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Chapter 4 Use of Data Processing Functions

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Flicker mode

The internal timing signal is input once at each flicker time and the value at the
instant is displayed/output.

Average hold function [b-5]

Measures the simple average of measured values during a specified period
(sampling period).
For the average hold function, the sampling period can be specified with the
combination of the trigger mode and delay time settings.

➮ For the details of the trigger mode and delay time, refer to pages 69 and 70.
➮ For the details of flicker delay, refer to pages 70 to 73.

Timing diagram

External trigger mode

The sampling period is between the UP edge of the hold-reset input and the UP
edge of the next timing input.

The value measured at the instant when the timing input turns ON is displayed/
output.

Reference: To start the measurement again, short-circuit the hold-reset and GND
terminals.

(t)

0

ON

OFF

When the power is turned ON or the hold-reset signal
is input, the display shows " " until the first
measured value is determined.

Displayed value

Internal timing

Sample hold value

Flicker time

(t)

0

ON

OFF

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first timing signal is input.

Displayed value

Hold-reset input

Timing input

Average hold value

Sampling period Sampling period

Sampling period Sampling period