What is the SICK DL50-P1123 Distance Sensor?

The SICK DL50-P1123 is a high-performance optical time-of-flight distance sensor from the Dx50 series. It delivers reliable, non-contact measurement over a range of 200 mm to 50,000 mm on Diamond Grade reflective tape, with an accuracy of ±7 mm. Built for demanding environments, this sensor combines HDDM™ technology with a rugged zinc die-cast housing to ensure dependable operation in mission-critical oil & gas applications.

Key Features and Technical Specifications

This unit is engineered to provide precise, repeatable measurements even in challenging conditions. Its core specifications highlight a design focused on durability and performance:

• Measurement Principle: HDDM™ (High Definition Distance Measurement) optical time-of-flight for stable readings under varying ambient light.
• Measuring Range: 200 mm to 50,000 mm on Diamond Grade reflective tape, enabling flexible installation across large areas.
• Accuracy: ±7 mm, ensuring reliable position feedback for control systems.
• Repeatability: ≥2 mm, critical for consistent process monitoring.
• Light Source: Visible red laser (658 nm), Class 1 eye-safe per IEC 60825-1:2014.
• Response Time: Fast mode 15 ms, slow mode 30 ms (averaging setting) for dynamic or stable measurement needs.
• Supply Voltage: DC 10 V ... 30 V with reverse-polarity protection, compatible with standard industrial power supplies.
• Power Consumption: ≤2.1 W without external load, minimizing energy costs.
• Outputs: 1x PNP digital (≤100 mA) and 1x analog current (4 mA ... 20 mA, ≤300 Ω, 16-bit) for versatile integration.
• Electrical Connection: M12 5-pin male connector for secure, quick installation.
• Enclosure Rating: IP65 (EN 60529), protected against dust and water jets.
• Operating Temperature: -30 °C to +65 °C (standard); extendable to +80 °C with cooling plates and +140 °C with cooling plates and protection filter (Uv ≤24 V).
• Housing Material: Zinc die-cast (ZNAL4CU1) with acrylic glass (PMMA) optical window, resistant to harsh industrial environments.
• Dimensions (W x H x D): 36.1 mm x 62.7 mm x 57.7 mm.
• Weight: Approx. 200 g.

Each specification contributes to lower total cost of ownership. The wide voltage range and low power draw reduce energy expenses, while the robust housing and wide temperature tolerance minimize downtime and maintenance costs in oil & gas fields.

Applications in Oil & Gas Automation

This unit excels in applications where reliable distance measurement is critical. Its long range and high accuracy make it ideal for tank level monitoring, where precise readings prevent overfills and optimize inventory. In pipeline positioning, the sensor ensures accurate alignment of pigs and valves, reducing operational risks. For crane and hoist control on drilling rigs, the fast response time and repeatability enhance safety and efficiency. Additionally, the IP65 rating and rugged housing allow deployment in washdown areas and outdoor installations, cutting replacement costs associated with sensor failures.

Installation and Integration

Installing This unit is straightforward thanks to the standard M12 5-pin connector and clear LC display with menu buttons. Mount the sensor securely using its compact zinc die-cast housing, ensuring a clear line of sight to the target. The multifunctional input allows for flexible configuration, such as triggering measurements or switching between parameter sets. For integration with control systems, the analog 4-20 mA output provides a simple interface to PLCs, while the PNP digital output can drive relays or indicators. When connecting to fieldbus networks, an external gateway or connection module may be required; confirm cable and gateway compatibility with PetroPartsOnline to avoid integration delays.

Maintenance and Reliability

This unit is built for long service life with minimal maintenance. The IP65 enclosure protects internal components from dust and moisture, and the zinc die-cast housing resists corrosion and impact. Periodic inspection of the optical window for dirt or damage is recommended, especially in dusty environments. The sensor's wide operating temperature range ensures stable performance without frequent recalibration. By reducing unplanned downtime and extending replacement intervals, This unit lowers maintenance costs and improves overall operational efficiency.

Frequently Asked Questions

What is the maximum measuring range of This unit?

The SICK unit measures up to 50,000 mm (50 m) when using Diamond Grade reflective tape, with a minimum range of 200 mm.

Can This unit operate in high-temperature environments?

Yes, the standard operating temperature is -30 °C to +65 °C. With two cooling plates, it extends to +80 °C, and with cooling plates plus a protection filter, up to +140 °C (Uv ≤24 V).

What output signals does This unit provide?

It offers one PNP digital output (≤100 mA) and one analog current output (4 mA ... 20 mA, ≤300 Ω, 16-bit), plus a multifunctional input for flexible control.

How does This unit reduce total cost of ownership?

Its low power consumption (≤2.1 W), wide voltage range (10 V ... 30 V), and rugged construction minimize energy use and maintenance, cutting downtime and replacement costs in oil & gas operations.

Is This unit suitable for outdoor use?

With an IP65 rating and a zinc die-cast housing, the sensor is protected against dust and water jets, making it suitable for outdoor and washdown environments when properly installed.

For parts suited to your application's requirements, contact PetroPartsOnline.

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