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WLA16P-24162100A00

The SICK WLA16P-24162100A00 is a high-performance, programmable safety encoder designed for motion control applications where functional safety is critical. It provides precise, real-time positional and velocity data from a rotating shaft and delivers this information via a safe Ethernet protocol (CIP Safety over EtherNet/IP). It is engineered to be an integral part of a safety-related control system, enabling safety functions such as Safe Limited Speed (SLS), Safe Speed Monitoring (SSM), Safe Direction, and Safe Position.

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Key Features
Functional Safety Integrated: This is not a standard encoder. It is built to SIL 3 according to IEC 61508 and PL e according to ISO 13849-1, making it suitable for the highest safety-demanding applications.

EtherNet/IP with CIP Safety: Communicates seamlessly with compatible safety PLCs (e.g., Allen-Bradley GuardLogix) using the CIP Safety protocol, allowing for simplified wiring and integration into modern industrial networks.

High Resolution: Offers a high single-turn resolution of 21 bits (2,097,152 positions per revolution) and a multi-turn resolution of 16 bits (65,536 revolutions), providing extremely precise positional feedback.

Programmable & Configurable: Its parameters (e.g., resolution, counting direction, zero point, IP address) can be easily set and stored via the programming interface, offering great flexibility for different machine designs.

Diagnostics and Monitoring: Provides extensive diagnostic information (e.g., overspeed, under-speed, loss of position) to the control system, aiding in predictive maintenance and troubleshooting.

Robust Design: Features a heavy-duty stainless steel shaft, high-quality ball bearings, and a rugged metal housing designed to withstand harsh industrial environments, including shock, vibration, and contaminants.

High Resistance to EMF: Excellent immunity to electromagnetic interference, ensuring signal integrity in electrically noisy environments.

3. Technical Specifications
Safety Rating: SIL 3, PL e, Category 3 / 4

Interface: EtherNet/IP with CIP Safety

Single-Turn Resolution: 21 bits (max.)

Multi-Turn Resolution: 16 bits (max.)

Operating Voltage: 24 V DC (typically 10...30 V DC)

Shaft Diameter: 10 mm (with keyway)

Max. Mechanical Speed: 6000 rpm

Housing Material: Metal (Zinc die-cast)

Shaft Sealing: Labyrinth seal for high IP rating

Ingress Protection Rating: IP67 (Dust-tight and protected against temporary immersion in water) and IP69K (Protected against high-pressure, high-temperature jet washing).

Connection: 12-pin M12 connector (for power and EtherNet/IP) and a separate 4-pin M12 connector for the programming interface.