Switch
Point
Value A
Switch
Point
Value -A
2
Press and Hold
> 2s
1
3
Press again
Figure 19. One-Point Window (Foreground Suppression)
In order to reliably detect changes from the taught background, if multiple laser reflections are returning to the sensor, the output
status is treated as though the target is outside of the taught window. The display alternates between
and the measured
distance. Realign the laser to avoid light reflecting off of multiple targets if this extra level of verification is not desired.
Note: The sensor must be set to = to use the following instructions. The FGS indicator is amber to
indicate One-Point Window (Foreground Suppression) mode.
Note: To program the sensor using remote input, remote input must be enabled ( = ).
1. Present the target.
Method Action Result
Push Button
Present the target. The sensor-to-target distance must be within the
sensor's range.
The target's measurement value
displays.
Remote Input
2. Start the TEACH mode.
Method Action Result
Push Button
Press and hold TEACH for longer than 2 seconds.
Light Operate
and flash alternately
on the display. The FGS indicator
flashes.
Dark Operate
and
flash alternately
on the display. The FGS indicator
flashes.
Remote Input
No action required. N/A
3. Teach the sensor.
Method Action Result
Push Button
Press TEACH to teach the target.
The ± window size flashes rapidly and
the sensor returns to Run mode.
Remote Input
Single-pulse the remote input.
Table 5: Expected TEACH Behavior for One-Point Window (Foreground Suppression)
See Figure 23 on page 34 for the minimum object separation.
Q4X Stainless Steel Laser Sensor with Dual Discrete Outputs and IO-Link
www.bannerengineering.com - Tel: 763.544.3164 23
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