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Through-beam Sensor Heads: FUN M ode Functions
n Peak Hold
In Peak Hold Mode, measurements are performed while the timing input is
ON, and the maximum value during the sampling period will be the output
value.
Hold Mode starts when the power is turned ON, immediately after chang-
ing to RUN or T Mode, or immediately after the reset input is turned OFF.
The output is held at the maximum output (current: approximately 23 mA,
voltage: approximately 5.5 V) until the first sampling period is finished. The
first measured result (A in the figure below) is output from the end of the
first sampling period to the end of the second sampling period. After the
second sampling period, the second measured result (B in the figure
below) is output and the sequence is repeated.
The output is clamped on
Current (mA)
23
4
Hold Mode
Start
90
the maximum value until
the first sampling period
is finished.
A
Sampling
Timing input
Example: Peak hold
Display value = Output value
Measured value
Outputs A.
B
Sampling
Timing input
Section 3-8
Outputs B.
Time
Time
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