SICK WLL180T-F232 Light Guide Fiber Optic Cable

SICK WLL180T-F232 Light Guide Fiber Optic Cable is a fiber-optic sensing component in the WLL180T family that uses a 650 nm red LED to transmit light through a fiber and feed a fiber amplifier/receiver. The package includes the BEF-WLL180 base unit, enabling a compact master/extension setup with a 2 m light-guide cable and a single switching output. Key specifications include a 2 m fiber-length, 0.2 mm² conductor cross-section, PVC outer jacket, and ABS/PC housing, all designed for industrial environments. The assembly operates from –25 °C to +55 °C and offers IP50 protection, with ambient light immunity of up to 3,000 lx under artificial lighting and up to 10,000 lx in sunlight. It withstands mechanical stress typical of factory floors, rated for 50 g shock (11 ms) and vibration from 10 Hz to 55 Hz, with relative humidity tolerance of 35–85% (no condensation). The device is rated for long life, with an LED life of about 100,000 hours at 25 °C and a Mean Time To Failure Demographic (MTTFD) of roughly 317 years, reflecting SICK’s emphasis on reliability in light-guide sensing. Applications shown in SICK literature include detecting features through light guides—such as window or surface detections in packaging or envelope contexts—demonstrating how WLL180T-F232 integrates with fiber optic cables to extend sensing to challenging or recessed locations.