The SICK S32B-2011BA is a safety laser scanner from the S300 Mini Standard sub product family, built for indoor machine safeguarding. It provides a 2 m protective field range and a 270° scanning angle, making it a dependable choice for hazardous-area access protection.

Why the S32B-2011BA Suits Demanding Indoor Safeguarding

Consider a compressor skid on an oil and gas site. Operators need safe access for inspection, yet the machine must stop before anyone enters the hazard zone. This unit addresses this by combining a 2 m protective field with an 8 m warning field at 15 % reflectivity. Consequently, it detects approach early and triggers a safe stop in time.

Furthermore, the scanner carries SIL 2 (IEC 61508), Category 3 (EN ISO 13849) and PL d ratings. These ratings confirm its role in mission-critical safety circuits. The rugged aluminum die-cast housing and IP65 protection rating also support reliable operation in dusty or washdown-prone areas.

Key Features and Technical Specifications

• Protective field range: 2 m; warning field range: 8 m at 15 % reflectivity.
• Scanning angle: 270° with 0.5° angular resolution.
• Resolution: Configurable at 30 mm, 40 mm, 50 mm, or 70 mm.
• Response time: 80 ms, depending on basic response time and multiple sampling.
• Safety integrity: Type 3 (IEC 61496), SIL 2 (IEC 61508), Category 3 (EN ISO 13849), PL d (EN ISO 13849).
• Supply voltage: 24 V DC (16.8 V DC ... 30 V DC).
• Current consumption: 0.2 A at 24 V DC without output load; 1.35 A at 24 V DC including maximum output load.
• Operating temperature: −10 °C ... +50 °C.
• Protection rating: IP65 (EN 60529).
• Connection: Cable, 250 mm, with male connector M12, 8-pin.

The 24 V DC supply with a wide 16.8 V DC to 30 V DC input range simplifies integration with standard industrial power supplies. Additionally, the low 0.2 A current draw without output load reduces heat inside control cabinets.

Applications in Oil and Gas Operations

Oil and gas facilities often require safeguarding at access points, conveyor transfer zones, and automated valve stations. This unit is suitable for these indoor applications because its 270° scanning angle covers wide openings with a single device. Moreover, the triple field sets and three fields allow flexible zone definition. For instance, a warning field can slow equipment before the protective field triggers a safe stop.

Because the scanner operates from −10 °C to +50 °C, it fits temperature-controlled process areas and sheltered enclosures. Its IP65 rating also protects against dust and water jets common in washdown environments.

Installation and Configuration Guidance

Mount This unit so that the 270° scan plane covers the hazard zone without obstruction. The 250 mm cable with M12 8-pin connector simplifies wiring to the safety controller. Configuration is performed with a PC running SICK CDS (Configuration and Diagnostic Software) via the RS-232 interface at 38.4 kBaud.

During commissioning, set the resolution (30 mm to 70 mm) and multiple sampling (2 to 16) to match the required safety distance. The protective field supplement of 100 mm must be included in the calculation. Also, configure the automatic reset delay from 2 s to 60 s as needed. Always follow the manufacturer's safety manual for wiring and parameter values.

Maintenance and Long-Term Reliability

Inspect the optics cover periodically for dust, oil film, or scratches. Clean only with approved methods from the official documentation. Because the scanner uses a pulsed laser diode at 905 nm, the Class 1 laser rating means no additional eye protection is required under normal use. However, never stare into the beam or disassemble the unit.

The mission time is 20 years (EN ISO 13849), so This unit supports long service intervals when installed correctly. Keep the ambient temperature within the −10 °C to +50 °C range and avoid exceeding 2,300 m above sea level during operation.

Frequently Asked Questions

What is the response time of This unit?

The response time is 80 ms, depending on the basic response time and multiple sampling settings.

Can This unit be used outdoors?

No, This unit is specified for indoor application only.

What is the supply voltage range for This unit?

The scanner operates on 24 V DC with a range of 16.8 V DC to 30 V DC.

How is This unit configured?

Configuration uses a PC with SICK CDS software connected via the RS-232 interface at 38.4 kBaud.

Is This unit still available?

SICK has announced a generation change toward the nanoScan3. Please verify current lifecycle status and availability with PetroPartsOnline before ordering.

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

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