How to set up an n11n fiber optic sensor

Setting up the FS-N11N involves mounting the main unit, connecting the fiber unit, wiring the amplifier, and calibrating sensitivity using the MODE and SET buttons. 1. Mounting the Main UnitDIN Rail Mounting: Align the bottom claw of the main unit with the DIN rail.

Push the unit in the direction of the first arrow, then slant it according to the second arrow until it locks in place. To remove, lift the unit while pushing in the initial direction ( ). Wall Mounting: Attach the main unit to the optional mounting bracket (OP-73880) and secure it with two M3 screws ( ).

2.

Connecting the Fiber Unit

Open the dust cover and move the fiber lock lever down. Insert the fiber unit into the fiber insertion hole to the marked depth (approximately 14 mm). Lock the fiber by moving the lever back down ( ).

3.

Wiring and Power

Avoid running amplifier lines alongside power or high-tension lines to prevent noise interference. Use a UL-listed Class 2 DC power supply. Ground the frame and terminal if using a switching regulator ( ).

4.

Sensor Configuration

Basic Settings: Press the button to select detection modes such as L-on or D-on. Advanced Settings: Hold the button for 3 seconds to enter advanced settings. “Fine” will flash on the display, allowing you to adjust sensitivity and other parameters ( ). Calibration: Press the SET button to calibrate the sensor's sensitivity.

The current display will show the received light intensity. Use the Saturation Recovery function if light intensity is too high ( ). 5.

Preset and Factory Reset

To preset values, use the PRESET button. To reset to factory defaults, press and hold both SET and PRESET buttons for 3 seconds until “rSt” flashes ( ). 6.

Safety and Operational Notes

Do not use the sensor outdoors or in areas with direct extraneous light. The FS-N11N is not explosion-proof and should not be used in flammable environments. This sensor is DC-powered; do not apply AC voltage ( ).

7.

Additional Resources

Video tutorials provide visual guidance for installation and calibration ( ). For detailed configuration options, refer to the full FS-N11N instruction manual online ( ). Following these steps ensures proper installation, reliable detection, and long-term performance of the FS-N11N fiber optic sensor.