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FX-311 photoelectric sensor

FX-311 - advanced manual setting fibre sensor based on FX-301.

FX-311 - advanced manual setting fibre sensor based on FX-301

The original SUNX optical technology developed for the FX-301 digital fibre sensor, including its benefits of simple maintenance, reduced wiring and easy installation, is taken a step further with FX-311. FX-311 incorporates technology to handle every major concern and deliver superior performance for a variety of on-site requirements.


  • Long-range sensing made possible with built-in optical lens
  • Response times 0.25/2ms selectable
  • OFF-delay timer
  • 12-turn potentiometer with visible indicator
  • Close mounting is possible for up to four fibre heads
  • Supply voltage via only one cable for up to 16 amplifiers
  • Reduced intensity mode for transparent objects
  • Wide range of fibre optical cables are available
  • Optional: Up to 16 I/O devices can be connected at once using MIL connectors (SC)


  • PLC connection system SC
  • Main and sub cables (1 / 2 / 5m)
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Sensors Fiber FX-311 applications Panasonic Industry
  • Detecting transparent PET bottles: The green LED type is ideal for stably sensing objects such as transparent bottles which yield only small amounts of light fluctuation.
  • Register mark detection: The blue LED type can accurately sense yellow marks on white backgrounds that are difficult to sense using the red LED type.


Name File Type Size Date Language
PDF Brochure "Focus Automazione" Catalog, Shortform 3.1 MB 01.04.2022 Italian
PDF Brochure Capteurs Catalog, Shortform 32.5 MB 13.09.2021 French
PDF CN-701 Wire Saving Connector, MJEC-CN701 Manual 616.4 KB 27.05.2024 English
PDF CN-7x-Cx Connection Cable Instruction Manual, MJEC-CN71C1 Manual 470.3 KB 27.05.2024 English, Japanese
PDF Catálogo Resumen Sensores Data sheet 29 MB 28.04.2021 Spanish
PDF Catálogo resumen - Gama de producto automatización industrial Catalog, Shortform 5.9 MB 31.08.2021 Spanish
PDF Data sheet FX-311 Data sheet 3.6 MB English
PDF Data sheet FX-311 Data sheet 2 MB Italian
PDF FT-□, FD-□, FR-□ Instruction Manual (FX-AT5, AT6, AT7), MJEC-FXAT4567 Manual 268.7 KB 14.02.2023 English
PDF FV-FR1/FR4 Instruction Manual, MJE-FVFR Manual 563.8 KB 13.03.2020 English
ZIP FX-311 2D Data CAD 9.4 KB 01.06.2007
ZIP FX-311 3D Data CAD 121.2 KB 01.06.2007
PDF FX-311 Installation Instructions Manual, MJE-FX311 Manual 1.2 MB 15.12.2023 English
PDF FX-AJ1 Head-turned Knob Attached Cover for Manual-setting Fiber Sensor FX-311 series, Instruction Manual Manual 92.8 KB 01.12.2002 English
PDF Fiber head FT-/FD-/FR Instruction Manual (FX-AT2, FX-AT3), MJEC-FXAT23 Manual 656.2 KB 14.02.2023 English
PDF Les essentiels - Produits d’automatisme, 6215eufr Catalog, Shortform 5.5 MB 16.06.2023 French
PDF Programma Sensori Catalog, Shortform 2.6 MB 11.01.2021 Italian
Raccolta Applicazioni Sensori Data sheet 24.2 KB 20.12.2018 Italian
PDF Sensor Selection Guide for Packaging Industry Catalog 14.7 MB 12.07.2022 English
PDF Sensori Fotoelettrici Guida tecnica Data sheet, Technical information 1.9 MB 01.05.2006 Italian
PDF Senzory - Zkrácená verze Catalog, Shortform 10.1 MB 28.01.2013 Czech
PDF Short Form Sensors for Factory Automation Catalog, Shortform 32.7 MB 08.07.2021 English
PDF Top seller - Automation products, 6215euen Catalog, Shortform 2.6 MB 01.05.2024 English
PDF Übersicht Sensoren Catalog, Shortform 28 MB 05.05.2022 German
PDF Übersicht Topseller Automatisierungstechnik, 6215eude Catalog, Shortform 2.7 MB 02.05.2024 German