9. Display
9.1 Voltage display
The green power LED is lit as soon as the supply voltage is in the correct
voltage range.
• In case of undervoltage this display flashes slowly.
• In case of overvoltage it flashes quickly.
In the two above cases the outputs are switched off (logical "0").
9.2 Adjustment
For easy and reliable mounting the sensor can be brought to the
adjustment mode.
close zone
Signal
Power
As long as this mode is active the output stages remain in the safe state.
Signal
Power
enable zone
Two LEDs are on the upper
side of the sensor.
Signal: yellow
Power: green
This is done by moving a
metallic object directly in front
of the sensing face of the fail-
safe sensor (close zone).
After approx. 5 s the yellow
signal LED starts to flash: The
adjustment mode is active.
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