Banner QL55 Series Instrukcja Użytkownika Strona 3

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QL55 Series Luminescence Sensor
P/N 112153 rev. C 3
Banner Engineering Corp. Minneapolis, MN U.S.A.
www.bannerengineering.com Tel: 763.544.3164
Procedure Result
SET Output ON
Condition
Position luminescent target in front of
sensing lens.
Press Mark push button (approx. 4 sec.)
until green Ready LED turns OFF.
Green Ready LED: turns OFF
Red Output LED: OFF
Green Ready LED stays OFF, and
sensor stores the Output ON condition.
SET Output OFF
Condition
Remove luminescent target from
sensor’s field of view.
Press and hold Background push button
(approx. 4 sec.) until green blinks.
Programming Accepted
Green Ready LED: Flashes 1x, then ON
Red Output LED: OFF
Green Ready LED stays ON, and
sensor stores the Output OFF
(background) condition.
Programming Error
(Due to insufficient contrast between
target and background luminescence)
Green Ready LED: flashes slowly (approx. 2 Hz)
Repeat programming procedure from the beginning.
If programming fails again, increase the target luminescence or
subdue the background.
Sensor Configuration
In this simple two-step procedure, the sensor samples the luminescence levels of
both the target (Mark) and the background (Background) conditions. The sensor
automatically selects light operate or dark operate (see Figure 3) based on the relative
luminescence of the two conditions. Using the procedure described below, sensing
the more luminescent condition (in this case the target to be sensed) will close the
normally open output, turn on the red Output LED, and cause the output to conduct
current (light operate).
If the application requires the output to conduct for a less luminescent condition,
reverse the procedure (dark operate):
Present the less luminescent condition first (Mark push button) and then
Present the more luminescent condition (Background push button).
Output OFF Output ON
Less Luminescent
Condition
More Luminescent
Condition
Less Luminescent
Condition
More Luminescent
Condition
Least
Luminescent
Most
Luminescent
Output OFFOutput ON
Least
Luminescent
Most
Luminescent
Light Operate
Dark Operate
Figure 3. Sensor automatically selects light
operate or dark operate, when
configured as described below
READY OUT
MARK
BKGD
READY OUT
MARK
BKGD
READY OUT
MARK
BKGD
READY OUT
MARK
BKGD
OUTREADY
MARK
BKGD
then
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