DL100-21HA2101: Rugged Laser Distance Sensor for Demanding Environments

The SICK DL100-21HA2101 is a phase-shift optical time-of-flight laser distance sensor from the Dx100 series. Its standout capability is a measuring range of 0.15 m to 100 m on Diamond Grade reflective tape, making it a dependable choice for long-range positioning in automated storage and retrieval systems (ASRS). Built for demanding environments, this sensor combines high accuracy with an integrated heating system that supports operation down to -40 °C.

Key Specifications and Performance

• Measurement range: 0.15 m to 100 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).
• Measurement accuracy: Typ. ± 2 mm to ± 3 mm.
• Output time: ≥ 1 ms (continuous internal measurement rate 1 ms; fieldbus cycle dependent).
• Maximum tracking velocity: 15 m/s.
• Maximum acceleration: 15 m/s².
• Light source: Visible red laser diode, 658 nm, Class 2 per IEC 60825-1:2014; average optical power < 1 mW.
• Supply voltage: DC 18 V to 30 V (reverse-polarity protected; limit values).
• Power consumption: Typ. 25 W to 35 W (internal heating element active).
• Operating ambient temperature: -40 °C to +55 °C (integrated heating system active).
• Storage temperature: -40 °C to +75 °C.
• Enclosure protection rating: IP65 (EN 60529).
• Housing material: Aluminum die-cast with acrylic glass (PMMA) optical window.
• Dimensions (W x H x D): 69.4 mm x 82.5 mm x 100.2 mm.
• Weight: Approx. 1,000 g.

This unit distinguishes itself through its SSI interface, which provides synchronous serial communication in Gray or binary code. This makes it well-suited for integration with controllers that accept SSI input, ensuring reliable data transfer in mission-critical operations.

Buyer's Guide: Evaluating This unit for Your Application

When selecting a laser distance sensor for industrial automation, several factors are critical. This unit addresses these with field-proven engineering.

Operating Temperature and Environmental Resilience

The sensor operates in ambient temperatures from -40 °C to +55 °C, thanks to an integrated heating system. This makes it ideal for cold-storage facilities where standard sensors may fail. The IP65 rating ensures protection against dust and water jets, while the aluminum die-cast housing with PMMA optical window resists mechanical stress.

Input Voltage and Power Supply

This unit accepts a supply voltage of DC 18 V to 30 V, with reverse-polarity protection. Power consumption is typically 25 W to 35 W when the heating element is active. Ensure your power supply can deliver this continuously, especially in cold environments where heating is essential.

Communication and Integration

The SSI interface (Synchronous Serial Interface) supports Gray or binary code, providing a direct digital output compatible with many industrial controllers. The sensor also includes two push-pull digital outputs (PNP/NPN, configurable B/Q, ≤ 100 mA) and a multifunctional input. Electrical connections use M12 connectors: a 4-pin male for power and an 8-pin female for SSI bus. For integration into fieldbus networks, an external gateway or connection module may be required; confirm cable and gateway compatibility with PetroPartsOnline.

Measuring Performance

With a range up to 100 m on Diamond Grade reflective tape, This unit excels in long-distance positioning. The 1 ms internal measurement rate and SSI output ensure fast response, while the 15 m/s tracking velocity and 15 m/s² acceleration support high-speed ASRS applications. Repeatability of 0.5 mm and accuracy of ± 2 mm to ± 3 mm deliver the precision needed for automated storage and retrieval.

Applications and Use Cases

This unit is engineered for rugged environments. In automated storage and retrieval systems, it provides reliable position feedback for cranes and shuttles, even at high speeds. In cold-storage warehouses, the integrated heater maintains operation at -40 °C, preventing downtime. The sensor also suits steel mills, port cranes, and other heavy industries where dust, moisture, and temperature extremes are common. Its SSI interface integrates with PLCs and controllers that support synchronous serial communication.

Installation and Setup Guidance

Mount This unit using the optical 3-axis alignment bracket (available separately) to ensure precise alignment with the reflective tape. Connect the 4-pin M12 power connector to a DC 18 V to 30 V supply, and the 8-pin M12 SSI connector to your controller. The integrated LC display and menu navigation simplify configuration. Verify that the reflective tape is Diamond Grade and free of obstructions. For detailed wiring and configuration, refer to the official SICK documentation.

Maintenance and Reliability

This unit is built for reliability you can depend on. Regular inspection of the optical window for dust or debris is recommended, especially in dirty environments. The IP65 housing protects internal components, but cleaning should be done with a soft cloth and mild detergent. The integrated heating system reduces condensation and ensures consistent performance in cold storage. With no moving parts, the sensor offers long service life and minimal maintenance.

Frequently Asked Questions

Q: What is the operating temperature range of This unit?

A: The SICK unit operates from -40 °C to +55 °C with the integrated heating system active, making it suitable for cold-storage facilities.

Q: Can This unit be used as a bently nevada probe replacement?

A: This unit is a laser distance sensor with SSI output, while Bently Nevada probes are typically eddy-current sensors. They serve different measurement principles, so direct replacement depends on your application's requirements. Contact PetroPartsOnline for application-specific selection guidance.

Q: What is the maximum measuring range of This unit?

A: The SICK unit measures up to 100 m on Diamond Grade reflective tape, with a minimum range of 0.15 m.

Q: What power supply does This unit require?

A: The sensor requires a DC 18 V to 30 V supply and consumes typically 25 W to 35 W when the heating element is active.

Q: Is This unit compatible with SSI interfaces?

A: Yes, This unit features an SSI interface supporting Gray or binary code, and it connects via an 8-pin M12 female connector.

Product Support and Availability

For current availability and lead time of the SICK unit, contact PetroPartsOnline. Our team provides reliable sourcing for critical operations and can assist with application-specific selection guidance. Please verify current lifecycle status and availability with PetroPartsOnline before ordering.

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