Fastus D4RF Series, User Manual

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Frequently Used Functions
MEMO
The “Peak” or “Bottom” hold display is useful for detection of small objects, for which the detection time is short, and thus
it is difficult to monitor detection values.
As only the “Peak” or “Bottom” is displayed, it is easy to read only the required values.
Peak level
Measured
value
Time
Received light
amount
Threshold
z
Time
This mode displays the peak value from times when the received light amount exceeded the threshold and
the bottom level from times when the received light amount dropped below the threshold. Each level is
displayed for one second.
The peak and bottom values can each be monitored for one second at a time, allowing the received light
amounts to be checked even in cases where objects pass the product irregularly and at high speed.
Threshold
Received light
amount
Time
Peak level
If an object takes more than
1 second to pass the
product, the previous peak
level is displayed.
When multiple objects are
detected in 1 second, the
value of the time closest to the
update timing is displayed.
Bottom level
Interval of 1 second