KEYENCE EX-V Series User Manual
Page 92
Chapter 4 Use of Data Processing Functions
4
82
■ 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