Schmersal RSS 36-D-ST

The Schmersal RSS 36-D-ST is an advanced RFID (Radio-Frequency Identification) non-contact safety sensor designed for reliable monitoring of safety guards and positions in industrial applications. It belongs to Schmersal's RSS 36 series, known for its high level of tamper protection and suitability for demanding environments.

Product Details

The RSS 36-D-ST is a safety switch with a separate actuator, utilizing RFID technology for secure and dependable operation. Its non-contact principle makes it highly resistant to wear and tear, and it offers excellent protection against tampering due to its unique coding.

Product Parameters

Here are the key specifications for the Schmersal RSS 36-D-ST:

• Technology: RFID

• Housing Material: Reinforced thermoplastic

• Operating Voltage: 24 VDC (-15% / +10%), stabilized PELV power supply

• Operating Current (typical): 600 mA

• Safety Outputs: 2 short-circuit proof PNP safety outputs

• Enclosure Rating: IP65/IP67/IP69 (highly resistant to dust and water ingress, suitable for high-pressure washdown)

• Operating Temperature: -25 °C to 70 °C

• Sensing Distance (Range): Up to 10 mm

• Response Time: 100 ms

• Time to Readiness (maximum): 2,000 ms

• Switching Frequency (maximum): 1 Hz

• Dimensions (approx.): 106.3 mm (Length) x 22 mm (Width) x 25 mm (Depth) or 27 mm x 108.2 mm x 35 mm (depending on specific variant and mounting)

• Connection: M12 male connector, 8 pins

• Safety Standards: Meets various international safety standards including CE, cULus, ECOLAB, EN 62061, EN ISO 13849-1, IEC 60947-5-3, IEC 61508, TÜV.

• PFD Value: $2.10\times 10^{-5}$

• PFHD Value: $2.70\times 10^{-10}/h$

• Safety Integrity Level (SIL): Suitable for applications up to SIL3 (according to IEC 61508)

• Performance Level (PL): Up to PLe (according to EN ISO 13849-1)

Product Advantages

The Schmersal RSS 36-D-ST offers several significant advantages for industrial safety applications:

• High Tamper Protection: The RFID technology provides a high level of coding against manipulation, making it very difficult to bypass the safety function.

• Non-Contact Operation: This eliminates mechanical wear, leading to a long service life and reduced maintenance.

• High Degree of Protection (IP69): Its robust design and high IP rating make it ideal for use in harsh industrial environments, including areas requiring frequent cleaning or exposure to liquids.

• Misaligned Actuation Possible: The design allows for a degree of misalignment between the sensor and actuator, simplifying installation and tolerating minor mechanical inaccuracies.

• High Repeat Accuracy: Ensures consistent and reliable switching points, crucial for precise safety monitoring.

• Compact Design: Its relatively small dimensions allow for flexible integration into various machine designs.

• Versatile Mounting: Can be mounted flat, offering flexibility in installation.

• Diagnostic Capabilities: Features like short-circuit proof outputs contribute to system reliability and ease of troubleshooting.