Telemecanique XUK1ARCNL2-SM-10 Photoelectric Sensor: Reflex Detection with SPDT Relay Output
The Telemecanique XUK1ARCNL2-SM-10 photoelectric sensor is a reflex (retro-reflective) optical detection device developed for industrial automation systems requiring stable presence monitoring over extended distances. Reflex sensing technology establishes a defined optical corridor between the sensor and a dedicated reflector. Detection is achieved when a target interrupts or alters the reflected beam intensity, triggering the output stage. This configuration ensures consistent switching behavior in conveyor systems, packaging lines, and automated material transfer stations.
Technical Identity and Configuration
- Brand + code + type: Telemecanique XUK1ARCNL2-SM-10 photoelectric sensor
- Sensing mode: Reflex (retro-reflective)
- Rated sensing distance: Sn 7 m class
- Supply voltage range: 24…240 VAC/DC
- Output type: SPDT relay output
- Connection: 2 m fixed cable
- Visual indicators: Power LED and output LED
Reflex Optical Corridor Principle
The Telemecanique XUK1ARCNL2-SM-10 photoelectric sensor emits a modulated light beam directed toward a reflector. When the beam returns uninterrupted, the output remains in its stable state. If an object blocks the optical path, the sensor detects the change in returned signal amplitude and switches the relay output. This method minimizes sensitivity to surface color variation and enables reliable detection of cartons, containers, and machine parts.
Wide-Range Power Supply Integration
The 24…240 VAC/DC supply capability allows the Telemecanique XUK1ARCNL2-SM-10 photoelectric sensor to operate within mixed-voltage control environments. This wide input range reduces the need for separate DC-only or AC-only variants in large facilities. Proper wiring verification and protective device coordination remain essential during commissioning to ensure stable electrical performance.
SPDT Relay Output Characteristics
The integrated SPDT relay output provides electrical isolation between sensing electronics and control circuits. This enables the sensor to interface with PLC digital inputs, relay logic systems, or signaling circuits within its rated switching class. Controlled load management and adherence to switching ratings support long-term operational consistency.
Installation and Alignment Best Practices
- Mount both sensor and reflector on rigid structural references.
- Maintain clear line-of-sight free from reflective background interference.
- Ensure cable strain relief to avoid housing torque.
- Validate detection under maximum conveyor speed.
- Record final alignment position for maintenance reproducibility.
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FAQ
- What sensing mode is used?
Reflex (retro-reflective) detection with a reflector. - What is the rated distance?
Sn 7 m class. - What type of output is provided?
SPDT relay output. - What supply range is supported?
24…240 VAC/DC. - How is the sensor connected?
2 m fixed cable.
Entity recap: The Telemecanique XUK1ARCNL2-SM-10 photoelectric sensor is a reflex optical detection device with Sn 7 m range, wide AC/DC supply capability, and SPDT relay switching for industrial automation.