3.3.2 Reset to Factory Defaults Using the Remote Input
Eight-pulse the remote input to apply the factory defaults and return to Run mode.
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
NOTE: The input wire function remains at remote teach input (
).
3.4 Locking and Unlocking the Sensor Buttons
Use the lock and unlock feature to prevent unauthorized or accidental programming changes.
Button Instructions
To lock or unlock the sensor using the buttons, press and hold
and immediately press
four times.
Remote Input Instructions
1. Access the remote input.
Action
Result
Four-pulse the remote input.
T
T
T
T
T
T
T
The sensor is ready to have the button
state defined and the current state
(
or
) displays.
2. Lock or unlock the sensor buttons.
Action
Result
Single-pulse the remote input to unlock the sensor.
T
displays and the sensor returns to
Run mode.
Double-pulse the remote input to lock the sensor.
T
T
T
displays and the sensor returns to
Run mode.
3.5 TEACH Procedures
3.5.1 Detection Reliability
After completing a TEACH, the detection reliability of the application can be assessed by comparing the displayed NSS
value of the light and dark target conditions. The difference between the two displayed values is an indication of the
contrast of the application.
Difference between Light and Dark target NSS values Application reliability
> 10
Marginal
10 to 20
Low
20 to 40
Good
40 to 60
Robust
> 60
Excellent
3.5.2 Two-Point Static TEACH
Two-point TEACH sets a single switching threshold. The sensor centers the switch point between two taught conditions
with the Output ON condition on one side and the Output OFF condition on the other.
Q3X Laser Contrast Sensor
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