What Is the SICK DL100-23AA2103 Laser Distance Sensor?

The SICK DL100-23AA2103 is a phase shift optical time-of-flight laser distance sensor from the Dx100 series. It measures over a 0.15 m to 300 m range on Diamond Grade reflective tape, making it a dependable choice for long-range positioning in demanding environments.

Engineers often look for a proximity probe equivalent when replacing legacy gap-measurement devices. This unit offers a non-contact optical alternative with a visible red laser diode at 658 nm and Class 2 classification per IEC 60825-1:2014.

Key Specifications of the SICK unit

• Measurement range: 0.15 m to 300 m on Diamond Grade reflective tape.
• Measurement principle: Phase shift optical time-of-flight laser distance measurement.
• Repeatability: 0.5 mm to 1 mm, typical 0.5 mm at 1 σ.
• Accuracy: Typical ± 2 mm to ± 3 mm.
• Operating temperature: -20 °C to +55 °C.
• Storage temperature: -40 °C to +75 °C.
• Supply voltage: DC 18 V to 30 V, reverse-polarity protected.
• Power consumption: Typical 8 W to 10 W.
• Communication: RS-422 serial asynchronous interface, point-to-point.
• Enclosure rating: IP65 per EN 60529.
• Housing: Aluminum die-cast with acrylic glass (PMMA) optical window.
• Weight: Approximately 800 g.

How Does This unit Perform in Oil and Gas Applications?

In oil and gas operations, reliable position feedback is mission-critical. This unit is built for demanding environments, with an IP65 housing that resists dust and water ingress. Its aluminum die-cast body and PMMA window withstand the vibration and temperature swings common in field installations.

The sensor operates from -20 °C to +55 °C, covering typical ambient conditions in many process areas. For storage, it tolerates -40 °C to +75 °C, simplifying logistics and spare-parts management.

With a maximum tracking velocity of 15 m/s and acceleration of 15 m/s², the device suits automated storage and retrieval systems (ASRS) and other dynamic positioning tasks. The 1 ms internal measurement rate supports fast control loops, while the RS-422 interface provides a robust serial link over longer cable runs.

Integration and Electrical Considerations

This unit connects via a male M12 4-pin connector for power and a female M12 8-pin SPEEDCON™ connector for RS-422. This connector arrangement simplifies wiring in control cabinets and field junction boxes.

Supply voltage must be within DC 18 V to 30 V. The sensor is reverse-polarity protected, which helps prevent damage during installation. Power consumption is typically 8 W to 10 W, so engineers should account for this load when sizing power supplies.

The RS-422 interface is a point-to-point serial asynchronous link. When integrating into a fieldbus network, an external gateway or connection module may be required. Confirm cable and gateway compatibility with PetroPartsOnline before commissioning.

Condition Monitoring and Reliability

Continuous condition monitoring tracks signal level attenuation, laser diode aging, and temperature. This data allows maintenance teams to plan interventions before a failure occurs, supporting reliability you can depend on.

The integrated LC display and intuitive menu navigation simplify setup and diagnostics. An optical 3-axis alignment bracket compatibility aids precise alignment, which is essential for maintaining accuracy over the 300 m range.

For a proximity probe alternative, This unit offers non-contact measurement that avoids wear and tear on mechanical components. Its solid-state design reduces the need for frequent replacement, which is beneficial in hard-to-access locations.

Frequently Asked Questions

What is the operating temperature range of the SICK unit?

The SICK unit operates from -20 °C to +55 °C and can be stored from -40 °C to +75 °C.

Can This unit serve as a proximity probe alternative?

Yes, This unit provides non-contact distance measurement over 0.15 m to 300 m, making it a viable proximity probe alternative for many positioning tasks.

What input voltage does This unit require?

The sensor requires a supply voltage of DC 18 V to 30 V and is reverse-polarity protected.

How is This unit connected?

Power is supplied via a male M12 4-pin connector, and RS-422 communication uses a female M12 8-pin SPEEDCON™ connector.

What is the measurement accuracy of This unit?

Typical accuracy is ± 2 mm to ± 3 mm, with repeatability of 0.5 mm to 1 mm.

Contact PetroPartsOnline for parts suited to your application's requirements.

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