Wenglor P1PA00 Series, Руководство по эксплуатации

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18 Setup
7. Setup
7.1. Setting the Switching Threshold with the Teach-In Function
With the help of integrated teach-in technology, the sensor automatically calculates future setting values based
upon currently recorded values and saves them to memory after the corresponding key has been pressed, or
after an external control signal has been received.
7.1.1. Two-point Teach-in
The marking to be detected is first taught into the sensor in two steps, followed by the background. The sensor
then automatically determines the optimum switching threshold from both values. The brightness relationship
of the two intensities is irrelevant as far as switching characteristics are concerned. Sensor output A is activated
when the sensor recognizes the intensity value which was taught in first. Sensor output A is deactivated when
the sensor recognizes the intensity value which was taught in second.
If the difference between the two recorded intensity values is too small, the output switching status indicator A1
flashes rapidly (8 Hz) and the switching thresholds are not updated.
• Install the sensor in accordance with the mounting instructions.
• Align the sensor with the marking to be detected.
• Press and hold the teach-in key until switching status indicator LED A1 starts flashing slowly (2 Hz) after
2 seconds.
• Release the teach-in key.
• The LED continues to flash slowly at 2 Hz.
• Align the sensor to the background.
• Press and hold the teach-in button again for 2 seconds.
• Release the teach-in key.
• The intensity value with calculated switching threshold is taught in and LED A1 flashes for 1 second to con-
firm successful teach-in. If the teach-in was not successful, LED A1 flashes rapidly (8 Hz).
The procedure must be repeated.
• The intensity value with the calculated switching threshold is taught in, and LED A1 flashes for 1 second to
confirm successful teach-in.
• If the teach-in was not successful, this is signaled by LED A1 flashing rapidly (at 8 Hz). The procedure must
be repeated.