Allen-Bradley 1768-L43S

Allen-Bradley 1768-L43S | Compact GuardLogix Controller with Integrated Safety and Standard Control

Overview

The Allen-Bradley 1768-L43S is a Compact GuardLogix controller designed to provide integrated standard and safety control in a single platform. With 2MB of standard memory and 1MB of dedicated safety memory, it ensures reliable performance for demanding industrial and safety-critical applications, all while maintaining a compact system footprint.

Key Features

• Processor Type: Compact GuardLogix

• Standard Memory: 2MB

• Safety Memory: 1MB dedicated safety memory

• Integrated Safety: Meets SIL 3 and PLe standards

• Communication: Supports EtherNet/IP, ControlNet, DeviceNet (via modules)

• Expansion Capability: Connects to 1768 and 1769 I/O modules

• USB Programming Port: Simplifies setup and maintenance

• High-Speed Processing: Optimized for safety and motion control tasks

Technical Specifications

• Catalog Number: 1768-L43S

• User Memory: 2MB standard, 1MB safety

• Supported I/O: 1769 Compact I/O modules

• Communication Options: Through 1768 communication modules

• Operating Temperature Range: 0°C to 60°C (32°F to 140°F)

• Mounting: DIN rail

• Certifications: UL, CE, CSA, TÜV, SIL 3, PLe

Applications

• Safety-critical machinery control

• High-speed packaging and processing systems

• Material handling and robotics

• Complex machine automation with integrated safety

• Oil and gas, automotive, and food processing industries

Why Choose the 1768-L43S?

• Integrated Control and Safety: One controller for standard and safety functions

• Space-Efficient: Ideal for compact system designs

• High-Performance: Reliable operation in demanding environments

• Simplified Programming: Managed through Studio 5000 Logix Designer

• Compliance Ready: Meets rigorous safety certifications

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