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How to turn off the fiber optic amplifier sensor

Fiber optic splice closure knowledge brief Published 05 Nov 2022

Prepared for preliminary research by the RIVO OPTICAL knowledge desk. Confirm cable count, splice capacity, sealing class, tray layout, protection sleeves and installation requirements against current standards and product documentation.

To turn off a fiber optic amplifier sensor, you typically use the amplifier's output control buttons or reset functions to disable the sensing output.General Method for Disabling the Sensor
  1. Using Output Buttons (IFM OBF5xx example)
    • Press the [OUT off] button to reduce the switching threshold or disable the output temporarily.
    • For permanent deactivation, some models allow pressing [OUT on] + [OUT off] simultaneously to exit programming and return to normal operating mode without active switching .
  2. Using Mode or Preset Functions (Panasonic FX-301 / FX-551)
    • Enter the MODE or PRO mode on the amplifier display.
    • Adjust the sensing output operation to Light-OFF or disable the output by holding the SET or PRESET buttons, depending on the model .
    • For FX-301, full-auto teaching can be bypassed, and the output can be disabled by setting the threshold above the maximum incident light intensity .
  3. Keyence FS-N Series Example
    • Press and hold to disable the sensor function.
    • This sets the current value to 0.0, effectively turning off the sensing output while maintaining the amplifier powered .
Safety and Power Considerations
  • Always disconnect power before physically removing or adjusting fibers to prevent electrical hazards .
  • Ensure that disabling the sensor does not compromise safety if the sensor is part of a critical system.
Summary
  • Temporary deactivation: Use the amplifier's [OUT off], SET, or PRESET buttons.
  • Permanent or reset: Use PRO mode, MODE settings, or simultaneous button presses to exit programming.
  • Always follow the manufacturer's instructions for your specific amplifier model to avoid damage or incorrect operation. By following these steps, you can safely turn off or disable a fiber optic amplifier sensor for maintenance, calibration, or troubleshooting purposes.

How to turn off the fiber optic amplifier sensor - RIVO MULTITRADE OPTICAL SYSTEMS [PDF]

How to turn off the fiber optic amplifier sensor

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Technical note

This reference is intended for preliminary fiber optic splice closure research. Compatibility, splice capacity, sealing class, tray layout, protection sleeves, installation methods, test limits and applicable standards must be verified for the specific project.

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