Allen Bradley AB GuardLink 8mart 8 Pin OSSD PTL Passive Power Tap 440S-SLF8D /B

The Allen-Bradley GuardLink 8-Pin OSSD PTL Passive Power Tap, catalog number 440S-SLF8D, is a specialized component designed to enhance the functionality and reliability of safety systems within industrial automation environments.

Key Features

• GuardLink Enabled Tap: Facilitates seamless integration with GuardLink-enabled safety devices, ensuring efficient communication and control.
• 8-Pin OSSD Configuration: Equipped with an 8-pin Output Signal Switching Device (OSSD) interface, providing robust connectivity for safety applications.
• Power to Lock (PTL) Mechanism: Incorporates a Power to Lock feature, ensuring that the safety device remains locked when power is applied, enhancing safety protocols.
• Passive Power Tap Functionality: Acts as a passive tap by transmitting GuardLink signals directly to devices with built-in GuardLink technology. Additionally, it introduces supplementary power into the GuardLink circuit to compensate for voltage drops resulting from extended cable lengths and multiple devices in the circuit.

Technical Specifications

• Voltage Requirements: Operates at 24V DC with a tolerance of +10% to -15%.
• Short Circuit Protection: Provides protection up to 700 mA for OSSD supply and lock signals, and up to 500 mA for GuardLink signals.
• Response Time: Features a response time of 5 ms, plus an additional 35 µs for each upstream tap.
• Dimensions: Measures 79.64 x 38.5 x 17 mm (3.14 x 1.51 x 0.67 inches), facilitating easy integration into various setups.

Certifications

The 440S-SLF8D is certified with multiple international standards, including CE, Korean KC, Australian RCM, Eurasian Economic Community, and UKCA DOC, ensuring compliance with global safety and quality regulations.

Applications

This passive power tap is ideal for industrial settings requiring reliable safety interlocks and efficient communication between safety devices. Its integration into GuardLink systems enhances the overall safety and performance of automated processes.

By incorporating the Allen-Bradley 440S-SLF8D into your safety system, you ensure a robust and compliant solution tailored to meet the demands of modern industrial automation.