Allen-Bradley 1756-L72S | GuardLogix Integrated Safety PAC

Overview

The 1756-L72S is a high-performance GuardLogix PAC combining safety and standard control in a single device. It suits demanding industrial automation applications.

Memory and Processing

This PAC provides 4 MB of standard memory and 2 MB of dedicated safety memory. Optional nonvolatile storage supports 1 GB or 2 GB for extended data retention.

Input and Output

The 1756-L72S supports up to 128,000 digital I/O points and 4,000 analog I/O points. This extensive capacity allows flexible system configuration for various applications.

Communication Interfaces

It integrates EtherNet/IP, ControlNet, and DeviceNet communication options. Network connectivity depends on the installed network modules, ensuring seamless integration.

Safety Features

The PAC delivers advanced safety functions, including safe motion, safe torque off, and emergency stop. Its modular architecture supports functional safety applications effectively.

Dimensions and Environmental Specifications

The 1756-L72S measures 279 mm × 318 mm × 146 mm and weighs 1.2 kg. It operates reliably in temperatures from -20°C to 70°C (-4°F to 158°F).

Applications

Ideal uses include machine safety, process safety, and other safety-related control systems where high reliability is required.